British Journal of Haematology
○ Wiley
Preprints posted in the last 30 days, ranked by how well they match British Journal of Haematology's content profile, based on 12 papers previously published here. The average preprint has a 0.07% match score for this journal, so anything above that is already an above-average fit.
Sakata, N.; Tanaka, Y.; Naganuma, K.; Takahashi, Y.; Momose, S.; Higashi, M.; Tabayashi, T.
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ObjectivesThe therapeutic efficacy of rituximab has reduced the discriminatory power of the International Prognostic Index (IPI) in diffuse large B-cell lymphoma (DLBCL), particularly within intermediate-risk categories. To address this "risk dilution," we aimed to develop and internally validate the AB-IPI (Albumin-BCL2 Refined Prognostic Index) using a hypothesis-driven approach that integrates tumor burden, host fitness, and tumor biology. MethodsThis multi-center retrospective study analyzed 289 patients with de novo DLBCL treated uniformly with R-CHOP immunochemotherapy. We combined the standard IPI with serum albumin < 3.6 g/dL (representing host fitness/rituximab pharmacokinetics) and BCL2 protein expression > 50% (representing tumor biology). The model was validated internally using bootstrapping with 1,000 resamples in accordance with TRIPOD Type 1b guidelines. This study adhered to the TRIPOD (Transparent Reporting of a multivariable prediction model for Individual Prognosis Or Diagnosis) statement for model development and internal validation (Type 1b). ResultsDuring the observation period, 115 death events were recorded. Multivariate Cox regression identified albumin < 3.6 g/dL (Hazard Ratio 2.62), IPI score > 2 (HR 2.13), and BCL2 > 50% (HR 1.72) as independent prognostic factors. The model maintained a robust Events Per Variable (EPV) ratio of 38.3. The AB-IPI stratified patients into four distinct risk groups with 5-year overall survival rates of 88.0% (Low), 76.1% (Intermediate-1), 45.0% (Intermediate-2), and 29.0% (High). The calibration plot demonstrated excellent agreement between predicted and observed probabilities, with a calibration slope of 0.98, indicating minimal optimism and robust risk estimation. Decision Curve Analysis (DCA) demonstrated that the AB-IPI provided a superior Net Benefit across a wide range of clinically relevant threshold probabilities. ConclusionsThe AB-IPI demonstrates superior clinical utility and calibration compared to the standard IPI. By identifying patients with compounded biological risks who are unlikely to be cured by R-CHOP alone, this score offers a practical framework for optimizing therapeutic strategies, such as the allocation of polatuzumab vedotin.
Pagliuca, S.; Mooyaart, J. E.; Ayuk, F.; Zeiser, R.; Potter, V.; Dreger, P.; Bethge, W.; Hilgendorf, I.; Michonneau, D.; Rambaldi, A.; Sengeloev, H.; Passweg, J.; Richardson, D.; Gedde-Dahl, T.; Kinsella, F.; Edinger, M.; Mielke, S.; Eder, M.; Andreani, M.; Crivello, P.; Merli, P.; Hoogenboom, J. D.; de Wreede, L. C.; Chabannon, C.; Kuball, J.; Gurnari, C.; Fleischhauer, K.; Ruggeri, A.; Lenz, T. L.
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Allogeneic hematopoietic cell transplantation (allo-HCT) hinges on a delicate trade-off between graft-versus-tumor control and graft-versus-host disease (GvHD), mediated by donor T-cell recognition of antigens presented by recipient human leukocyte antigen (HLA) molecules. We hypothesized that, beyond allele-level matching, sequence divergence at peptide-binding grooves across donor and recipient HLA loci shapes these responses. To this end, we evaluated the effect of HLA evolutionary divergence (HED), a metric quantifying amino acid variability at HLA peptide-binding sites, on selected hematological malignancies in 4,695 patients undergoing allo-HCT from a 9/10 mismatched unrelated donor (MMUD), reported to the EBMT database. We examined (i) locus-specific recipient HED (HED-R) and (ii) "HED-mismatch" (HED-MM), capturing immunopeptidome divergence at the mismatched locus. While dichotomous mismatch status explained differences in survival and acute GvHD risk (with overall greater detriment for class I loci), HED metrics uncovered substantial within-mismatch heterogeneity. In DRB1 mismatched subgroup, HED-MM at this locus, independently predicted inferior relapse-free survival (RFS) with an attenuating time-dependent association, further modulated by cross-locus HED-R. In this subgroup, higher HED-R at HLA-A and HLA-C associated with increased risks of acute GvHD and non-relapse mortality, respectively. Among HLA-B-mismatched pairs, higher DRB1 HED-R associated with worse overall survival (OS) and RFS and higher relapse risk. In the HLA-A-mismatched subgroup, higher HED-R at HLA-A increased chronic GvHD risk. Collectively, HED-derived metrics complement conventional mismatch classification by capturing qualitative differences in donor-recipient immunopeptidome interactions and reveal a complex, non-linear interplay among alleles across mismatch subgroups that modulates the clinical impact of mismatching. KeypointsO_LIIn mismatched unrelated HCT, baseline risk varies across mismatch constellations, with class I mismatches more detrimental than class II. C_LIO_LIHED complements conventional HLA mismatch classification by capturing qualitative donor-recipient immunopeptidome interactions. C_LI
Kravos, A.; Dolenc, B.; Fartek, N.; Locatelli, I.; Cebron Lipovec, N.; Rogelj Meljo, N.; Kos, M.; Dobovsek, T.; Panter, G.
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Iron deficiency (ID) is the most common nutritional deficiency worldwide, often caused by insufficient dietary intakes. Oral supplementation is one of the means to improve iron status. This study evaluated the efficacy and safety of two low-dose iron supplements - >Your< Iron Forte Capsules (YIFC) and Ferrous Sulfate Capsules (FSC) - in individuals with dietary ID. One hundred and one participants (mean age 30.6 years; 98% women) with low iron stores (mean serum ferritin 16.1 {micro}g/L) were randomized to receive either YIFC or FSC once daily for 12 weeks. Changes in blood indices and iron-related parameters were assessed at four and 12 weeks of intervention relative to baseline. The primary outcome was the change in hemoglobin (Hb) after 12 weeks. Eighty-seven participants completed the study. Both supplements significantly increased Hb at 12 weeks (YIFC: mean 6.52 g/L, p<0.001; FSC: mean 5.71 g/L, p<0.001). Product-related adverse events (AEs) were few (17% of all AEs) and of mild to moderate intensity only. One participant receiving FSC withdrew due to a probable product-related AE. The frequencies of product-related AEs were similar between study arms, however, statistically significantly more AEs judged to be definitely related to the product occurred in in the FSC arm. While product-related AEs were confined to the gastrointestinal tract in the YIFC arm, they affected multiple organ systems in the FSC arm. Supplementation with either YIFC or FSC proved as an effective, well-tolerated, and safe strategy for improving iron status in non-anemic dietary iron deficiency. In terms of the AE profile, supplementation with YIFC may offer advantages over supplementation with FSC.
Chen, K.; Tian, X.; Ding, Y.; Dong, Z.; Tao, R.; Fan, Y.; Chen, Z.; Zha, B.; Li, X.; Li, W.
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ObjectivePost-thrombotic syndrome (PTS), a common complication of deep vein thrombosis, lacks objective diagnostic biomarkers and its molecular mechanisms remain poorly understood. This study aimed to identify plasma biomarkers and clarify pathways using integrated multi-omics and machine learning. MethodsProteomic and metabolomic profiling of 75 PTS patients and 75 controls was performed. Differential expression analysis, pathway enrichment, and protein-metabolite network analysis were conducted. A multi-algorithm machine learning with 8 feature selection methods prioritized biomarkers. Validations and 14 models were assessed. Results1,104 proteins and 1,891 metabolites were differentially expressed. Citrate cycle and unsaturated fatty acid biosynthesis were enriched. Three proteins, namely DIP2B, KNG1, and SUCLG2, were consistently selected as core biomarkers. All of these proteins were significantly downregulated in PTS and externally validated. A random forest model utilizing these proteins achieved an accuracy of 97.7% in independent testing, with SUCLG2 being the most influential predictor. ConclusionThis study identifies a novel three - protein biomarker panel for the diagnosis of PTS and reveals an immunometabolic axis in the pathogenesis of PTS, which links inflammatory regulation with mitochondrial energy metabolism. These findings provide valuable insights into the development of diagnostic tools and targeted therapeutic approaches.
Long, Y.; Ou, Y.; Huang, G.; Tan, X.; Zhao, S.; Min, L.; Sun, C.; Luo, Z.; Pan, H.
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ObjectiveAutoimmune diseases (ADs) markedly elevate venous thromboembolism (VTE) risk, yet the shared genetic architecture and tissue-specific regulatory mechanisms of this "Autoimmune-Thrombotic Axis" remain poorly defined. We aimed to characterize the genomic landscape of immunothrombosis to identify causal links and therapeutic targets. Approach and ResultsWe integrated large-scale GWAS data for VTE and 16 ADs using a multi-omics framework, including pleiotropy scanning, local genetic correlation, and summary-based Mendelian randomization (SMR). We identified 21 Immunothrombotic Shared Loci (ISLs) and 274 pleiotropic genes enriched in complement and coagulation cascades. Mendelian randomization (MR) analysis revealed a robust causal effect of genetically predicted systemic lupus erythematosus (SLE) on VTE risk (OR = 1.018, 95% CI: 1.008-1.029, P = 0.0003). Mechanistically, IL6R and PLCL1 emerged as central mediators with distinct tissue-specific regulatory partitioning. Colocalization confirmed that shared genetic susceptibility is primarily driven by expression in arterial tissues (aorta and coronary) rather than exclusively in immune cells. Furthermore, the lead SNP rs4129267 was identified as a potential predictor for VTE in rheumatoid arthritis patients, and drug prioritization nominated TNF inhibitors as promising candidates for mitigating thrombotic burden. ConclusionThis study establishes the first genomic atlas of the autoimmune-thrombotic axis, demonstrating that vasculature-specific gene regulation drives immunothrombosis. These findings provide a biological basis for VTE risk stratification and suggest that genotype-guided therapy may optimize vascular outcomes in AD patients.
Allali, S.; Rignault-Bricard, R.; Ibrahim, C.; Cheminet, G.; Mattioni, S.; Callebert, J.; Santin, A.; Fauchery, R.; Bouillie, M.; Arlet, J.-B.; Brousse, V.; Brice, J.; de Montalembert, M.; Heilbronner, C.; Launay, J.-M.; Georgin-Lavialle, S.; Hermine, O.; Maciel, T. T.
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A role for substance P in promoting neurogenic inflammation and pain has been described in sickle cell disease (SCD). However its origin and contribution to SCD pathophysiology remain unclear. We measured substance P level in plasma from 225 patients with SCD and observed the highest concentrations during acute chest syndrome (ACS). Therefore, we tested the hypothesis that substance P may induce ACS. In transgenic sickle mice, unlike control mice, intravenous injection of substance P caused lethal crises with dose-dependent acute lung injuries. Activation of Fc{varepsilon}R1 with MAR-1 had similar effects, suggesting a role for mast cell or basophil activation and degranulation. Pretreatment of sickle mice with cromolyn, a stabilizer of mast cells and basophils, prevented lethal crisis and lung injuries induced by substance P injection. In SCD patients, blood cellular histamine levels and increased histidine decarboxylase activity were consistent with an involvement of circulating basophils. Flow cytometry analysis revealed higher basophil counts with increased activation and degranulation markers in patients compared with healthy controls. During vaso-occlusive crisis, absolute basophil counts tended to decrease, suggesting their recruitment outside the vascular compartment. The same results were observed in sickle mice after hypoxia-reoxygenation, intravenous hemin injection or substance P injection. Immunohistochemistry revealed the presence of mast cells and basophils in the lungs of sickle mice, but not in control mice, with further basophil recruitment and degranulation after intravenous substance P injection. In SCD patients, we observed extremely high levels of substance P in the sputum collected during ACS, consistently with mast cell and basophil degranulation in the lungs. In vitro, substance P was shown to be a potent chemoattractant for basophils via NK1R. Gene expression analysis on sorted circulating basophils from SCD patients revealed an increased expression of several chemokine receptors, including CCR3 and FPR1, which was confirmed by spectral flow cytometry and could contribute to the recruitment of basophils in the lungs. The two substance P receptors, NK1R and MRGPRX2, were also overexpressed, promoting the vicious cycle of substance P release and pain in SCD patients. Our results reveal a novel mechanism that contributes to the understanding of ACS pathogenesis and highlights the potential role of mast cells and basophils in SCD pathophysiology.
Lalaurie, C.; Liu, L.; Khan, A.; Wang, C.; Rich, S.; Barr, R. G.; Bernstein, E.; Kiryluk, K.; McDonnell, T. C. R.; Luo, Y.
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Anti-{beta}2-glycoprotein I (anti-{beta}2GPI) antibodies are central to the pathogenesis of antiphospholipid syndrome (APS), an autoimmune disease characterized by a strong predisposition to venous thromboembolism (VTE). In this study, we conducted a multi-ancestry genome-wide association study (GWAS) of quantitative total anti-{beta}2GPI levels in 5,969 participants enrolled in the Multi-Ethnic Study of Atherosclerosis (MESA) and identified a genome-wide significant association at the APOH locus. Paradoxically, genetically determined increases in anti-{beta}2GPI levels at this locus were associated with lower VTE risk. Fine-mapping and functional genomics prioritized the missense variant rs1801690 (W335S) in {beta}2GPI (apolipoprotein H, [APOH]) as the most likely causal variant. This variant has an allele frequency of 5-6% in European and East Asian ancestries but only 1% in African ancestries. Integrating prior experimental studies, molecular dynamics simulations and structure-based epitope prediction, we propose a dual-effect mechanism whereby W335S reduces thrombotic risk by disrupting phospholipid binding in Domain V, yet increases autoantibody production through conformational changes that enhance epitope exposure in Domains I and II. These findings mechanistically uncouple autoantibody formation from thrombotic risk in carriers of the W335S variant, and suggest that APOH genotype may represent a clinically relevant genetic biomarker with potential utility for thrombotic risk stratification in anti-{beta}2GPI-positive individuals.
Men, X.; Zhang, L.; Liu, S.; Wan, S.; Qiu, W.; Zhengqi, L.; Yu, Q.
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Background and ObjectivesNotch homolog 3 (NOTCH3) gene variants were fully penetrant to produce the disease phenotype of CADASIL. Aberrant NOTCH3 protein leads to degeneration of vascular SMCs and pericytes, targeting microcirculation dysfunction and blood-brain barrier (BBB) leakage. MethodsWe evaluated neuroimaging data of forty patients with NOTCH3 gene variants including eighteen missense/insertion mutations in epidermal growth factor repeat (EGF), negative regulatory region (NRR), and disordered region (Dis). We performed an AI-driven pipeline integrating AlphaFold3, Foldseek, and molecular dynamics simulations to elucidate clinical and molecular consequences. ResultsDistinct domain mutations exhibited characteristic patterns: EGFs 1, 2, 13-15, 32 and Dis correlated with microbleeds/macro-bleeds, lacunes, perivascular spaces, and acute cerebral microinfarcts; EGFs 2, 3, 13-15, 25 with disrupted disulfide bonds or binding motif of protein O-glucosyltransferase 1 (POGLUT1) were predicted to undergo greater structural and functional deteriorations in Notch signaling pathways. NRR/Fab (antigen-binding fragment) destabilized dominant motions and single apo-Dis exhibited low structural disorder. Agreement between computational and experimental data for wild-type EGFs/POGLUT1 and C49F, R75Q, R141C mutants suggests testable hypotheses that advance understanding of cerebral small-vessel disease. DiscussionTargeting POGLUT1 to modulate EGF-like domains and using the Fab region to stabilize NRR complexes may be a promising therapeutic approach deserving rigorous exploration.
Pedregal, M.; Mahillo-Fernandez, I.; Miras, I.; Perez Valderrama, B.; Morales Barrera, R.; Marmolejo, D.; Sobrevilla, N.; Bourlon, M.; Ravi, P.; Moreno, V.; Sweeney, C.
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PurposePrognosis in metastatic non-seminomatous germ cell tumors (mNSGCT) is currently guided by the IGCCCG classification, which incorporates tumor markers, organs involved with metastatic disease, and primary site but not histologic subtype. We aimed to evaluate whether specific histological components provide additional prognostic information in a large international mNSGCT cohort. Patient and MethodsWe analyzed clinical, pathologic, and outcome data from 662 patients with mNSGCT across multiple international centers. Cox regression and multivariable stepwise models were used to evaluate the impact of age, tumor histology, serum markers, primary site of disease, chemotherapy, IGCCCG, and post-chemotherapy surgery on overall survival. Analyses were performed using both complete-case and imputed datasets to account for missing values. ResultsThe presence of any percentage of embryonal carcinoma (EC) was independently associated with improved overall survival HR 0.603 (95% CI: 0.37-0.98, p=0.040), whereas yolk sac tumor (YST) predicted worse prognosis in complete-case analysis HR 2.27 (95% CI: 1.43 - 3.61 p = 0.001). Choriocarcinoma was also associated with a HR 1.58 (95% CI: 1.08 - 2.32 p= 0.019) adverse outcomes. IGCCCG risk classification remained a strong predictor of mortality HR up to 8.9 for Poor vs Good risk, (95% CI: 4.63 - 17.09 p < 0.001), but histologic components added significant independent prognostic value. Post-chemotherapy retroperitoneal lymph node dissection (RPLND) conferred a substantial survival benefit HR 0.44 (95% CI: 0.258 - 0.754 p=0.003). Interestingly, teratoma was not associated with mortality but was linked to younger age, testicular primaries, and higher likelihood of residual disease requiring surgery. ConclusionsHistological composition, particularly the presence of EC or YST, has a significant and independent impact on survival in mNSGCT, beyond established risk classifications. Integration of histological subtypes may enhance prognostic accuracy and guide individualized treatment strategies in advanced germ cell tumors.
Wang, Y.; Xie, J.; Pasca, S.; Popoli, M.; Ptak, J.; Dobbyn, L.; Silliman, N.; Paul, S.; Jones, R. J.; Levis, M. J.; Curtis, S. D.; Douville, C.; Shams, C.; Guo, M. Z.; Mo, S.; Gocke, C. D.; Malek, S. N.; Bollard, C. M.; Bettegowda, C.; Kinzler, K. W.; Vogelstein, B.; Papadopoulos, N.; Gondek, L. P.
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Allogeneic hematopoietic cell transplantation is the only curative option for many patients with acute myeloid leukemia (AML). In the current study, we designed and implemented a personalized assay, called v96, incorporating up to 96 mutations in 30 AML patients undergoing transplantation. The assay was performed on DNA derived in cells from the bone marrow as well as in cell-free plasma. All 30 (100%) of patients harbored molecular evidence of residual leukemia during remission that was detectable by the v96 assay, while only 6 (20%) had evidence of disease as assessed by conventional clinical assays. Furthermore, cell-free DNA from plasma proved to be more sensitive than DNA from cells of the bone marrow for identifying residual leukemia. The median number of mutants was 352-fold higher in plasma taken prior to transplantation for patients who relapsed compared to those who did not relapse. At two months post-transplantation, 27 of the 30 patients still harbored detectable leukemia as assessed by the v96 assay. Twenty-two of these patients had a subsequent decrease in leukemic burden assessed by the v96 assay, usually only after immunosuppression was discontinued and supporting a graft-versus-leukemia effect. These results document the feasibility of using a relatively large panel of carefully chosen mutations and a highly specific assay as non-invasive markers of therapeutic response in AML patients, minimizing the need for multiple bone marrow biopsies. STATEMENT OF SIGNIFICANCEWe report a blood test that tracks up to 96 patient-specific mutations and applied it to patients with AML who had undergone bone marrow transplantation. Using this test to evaluate cell-free plasma DNA, we found evidence of residual leukemia cells both during remission (prior to transplantation) in all patients, and two months following transplantation in 90% of patients. This test can mitigate the need for invasive bone marrow biopsies to follow patients with leukemia. Moreover, the test appears to be more accurate than standard assays for detecting residual leukemia, and has the potential to guide the timing of transplantation and subsequent therapeutic measures, thereby laying the foundation for future prospective studies.
Sun, Y.; Chang, S.; Tang, K.; LeBlanc, M. R.; Palmer, A. C.; Ahamadi, M.; Zhou, J.
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BackgroundIn immune checkpoint inhibitor (ICI) trials, overall survival (OS) benefits are well established, yet improvements in quality of life (QoL) are often inconsistent or absent in conventional analyses. This apparent discordance raises important questions: are QoL outcomes truly unrelated to survival, and how can QoL results be better utilized and interpreted? MethodsA model-based meta-analysis (MBMA) of longitudinal EORTC QLQ-C30 global health status/quality of life data from randomized ICI trials was conducted. Longitudinal QoL trajectories were analyzed using a nonlinear mixed-effects model to estimate treatment-related toxicity and long-term QoL improvement. Associations between QoL trajectory parameters and OS were assessed using spearman rank correlation tests and Cox proportional hazards models. ResultsTwenty-seven studies (8,149 ICI and 5,593 control patients) contributed longitudinal QoL data, and 18 studies provided matched OS data. Raw QoL trajectories showed overlap between treatment arms, while OS consistently favored ICIs. MBMA revealed that ICIs had similar toxicity but significantly faster QoL improvement than control therapies (p < 0.0001). Baseline QoL, toxicity, and QoL improvement rate were all significantly associated with OS (p < 0.001). MBMA-based QoL comparisons were more sensitive in detecting associations with survival than raw QoL data, with the strongest association observed at Week 24 (R = -0.37, p = 0.067). ConclusionsConventional analyses comparing QoL at a single time point may obscure meaningful patient-reported benefits. By capturing longitudinal QoL trajectories across trials, MBMA reveals how patient experience evolves alongside survival outcomes and supports improved interpretation and utilization of QoL data in treatment evaluation.
Nasajpour, E.; Wei, R.; Panovska, D.; Newman, J.; Lyle, A. G.; Geraldo, A. F.; Oft, H. C. M.; Xing, Y. L.; Feng, Z.-P.; Beale, H. C.; Kephart, E. T.; Bui, B.; Dhami, T.; Rabin, L. K.; Vogel, H.; Mahaney, K. M.; Campen, C. J.; Ryan, K. J.; Orr, B.; Solomon, D.; Vaske, O.; Petritsch, C. K.
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BackgroundPATZ1 fusion-positive central nervous system (CNS) tumors frequently harbor MN1::PATZ1 fusions as driver mutations, provisionally classified as a rare DNA methylation class of low-grade neuroepithelial tumors. Radiographically, they resemble pilocytic astrocytomas with tumor and cystic components, but their supratentorial cortex location and higher recurrence rates are distinguishing features. An intermediate clinical course, despite focal high-grade histopathology, underscores the need for longitudinal molecular and immune analyses to refine classification and standard therapy. Case SummaryA female pediatric patient presented with neurological symptoms, including headache and right upper extremity weakness. MRI revealed a large cystic lesion in the left frontal lobe, leading to a differential diagnosis of low-grade glioma and ependymoma. Genomic analysis identified an MN1::PATZ1 fusion. The tumor recurred after gross total resection prompting a second resection. Transcriptomic and histopathologic assessments identified multiglial lineage, and high-grade features closely related to adult glioblastoma alongside pro-inflammatory activity in the primary tumor. The recurrent tumor showed reduced malignancy, and oligodendroglioma-like features. Increased MHC gene expression, immune checkpoint receptors (PDCD1, CTLA4, TIGIT,TIM3), T cell regulators (CXCR6), and elevated macrophage frequency, coupled with reduced PD-L1 in the recurrent tumor, suggest a complex anti-tumor immune response constrained by T cell dysregulation. This case, along with two other MN1::PATZ1 fusion-positive tumors, identifies a distinct transcriptomic subtype separate from circumscribed astrocytic glioma, highlighting upregulation of growth factor receptor pathways, like PI3K/AKT, and immune dysfunction linked to recurrence. ConclusionLongitudinal multi-omics analyses of recurrent MN1::PATZ1 fusion-positive CNS tumors revealed tumor maturation, immune dysfunction, and potential therapeutic targets. Introductory ParagraphPATZ1 fusion-positive central nervous system (CNS) tumors are rare, predominantly pediatric and frequently recurrent neoplasms provisionally classified as neuroepithelial tumors. Their pronounced histopathological and clinical heterogeneity, along with limited immunological characterization complicates their treatment standardization. We report a new case of an MN1::PATZ1 fusion-positive CNS tumor with recurrence, highlighting its radiographic similarities to low-to-intermediate grade pediatric glioma. Longitudinal multi-omics analyses of this case, along with additional MN1::PATZ1 fusion-positive CNS tumors, however, delineates a transcriptome subtype resembling adult high-grade glioma, with activated oncogenic and pro-inflammatory programs. The recurrent tumor exhibits features of decreased malignancy and enhanced glial differentiation, phenotypically shifting towards oligodendroglioma, suggesting tumor maturation. This was accompanied by increased antigen presentation programs, indicating immune engagement, while increased immune checkpoint expression and microglia/macrophage frequency indicate T cell exhaustion and immunomodulation, respectively. This longitudinal study highlights potential therapeutic strategies targeting both the tumor and its immune environment in MN1::PATZ1 fusion-positive CNS tumors.
Ferreira, C. S.; Ribeiro, M. A.
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BackgroundApproximately 300 million people worldwide live with a rare disease, and the majority of rare diseases manifest in childhood. For families, the period before diagnosis is often protracted and distressing, marked by repeated consultations, inconclusive investigations, conflicting medical opinions, and the absence of a recognisable name for their childs condition. While the clinical and epidemiological dimensions of the diagnostic odyssey have been documented, the narrative and experiential dimensions of how parents live through and make sense of prolonged diagnostic uncertainty remain underexplored, particularly in low- and middle-income country contexts. AimTo explore the narrative experiences of parents navigating diagnostic uncertainty for children with rare diseases in Brazil. MethodsA narrative inquiry informed by the three-dimensional narrative space framework of Clandinin and Connelly was conducted. Sixteen parents (twelve mothers and four fathers) of children who had experienced a diagnostic delay of at least two years were recruited from two rare disease referral centres in Sao Paulo and Belo Horizonte. Data were collected through two narrative interviews per participant, supplemented by participant-produced timelines and family photographs. Analysis followed a narrative analytical approach attending to temporality, sociality, and place. FindingsThree narrative threads were woven across the parents stories: (a) "Living in the space before the name," capturing the disorienting experience of caring for a child whose suffering could not be categorised, explained, or predicted; (b) "Fighting to be believed," describing the relentless advocacy required to sustain medical attention in a system that struggled to accommodate conditions falling outside familiar diagnostic categories; and (c) "Rewriting the story," illuminating how the eventual arrival (or non-arrival) of a diagnosis reshaped parents understanding of their child, their family, and themselves. ConclusionDiagnostic uncertainty for parents of children with rare diseases is not a passive waiting period but an active, effortful, and identity-transforming experience. The findings highlight the need for healthcare systems to provide structured psychosocial support during the pre-diagnostic period and for clinicians to develop communication practices that acknowledge, rather than dismiss, the legitimacy of undiagnosed suffering.
DeBortoli, E.; Clinch, T.; Vaz-Goncalves, L.; Burbury, L.; Jeppesen, M.; Pinzon Charry, A.; Melo, M.; Sullivan, A.; Hunter, M.; Peake, J.; McInerney-Leo, A.; McNaughton, P.; Yanes, T.
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PurposeWhile genomic testing is integral to pediatric inborn errors of immunity (IEI) care, few studies have examined strategies to support its optimal delivery. This study aimed to characterize a pediatric IEI cohort and assess the impact of implementing a mainstream model-of-care (MoC). Materials/MethodsComprehensive chart audit was conducted for patients ([≤]18y) who received IEI genomic testing in Queensland, Australia, from 2017-2025. Descriptive analyses captured demographic and clinical characteristics, genomic testing and results, and management outcomes. Inferential analyses assessed changes in genomic practices pre-MoC (<2021) and post-MoC ([≥]2021). Results322 patients met eligibility criteria (n=481 genomic test). Diagnostic yield (27.6%) varied by testing indication, with the highest rate among phagocytic defects (n=4/4;100%) and severe combined immunodeficiency (n=8/10;80%). Very-early-onset inflammatory bowel disease had the lowest diagnostic yield (n=3/68;4.4%), prompting changes to testing criteria. Molecular diagnosis resulted in management changes for 90.5% patients. Genomic testing was widely used pre-MoC (n=251 genomic tests). All outcomes significantly improved pre-and post-MoC (p<0.05): duplicate testing decreased (13.9% to 0%); variants of uncertain significance reduced (37.7% to 7.1%); informed consent documentation increased (70.5% to 88.4%); and diagnostic yield increased (16.2% to 27.4%). ConclusionTargeted interventions are needed to support delivery of genomic testing and strengthen service effectiveness.
King-Dowling, S.; Woodard, K.; Faust, H.; Drake, S.; Gov, L.; Szalda, D.; Prussien, K. V.; Ginsberg, J. P.; Hobbie, W.; Tucker, C. A.; Barakat, L. P.; Deatrick, J.; Li, Y.; Burns, K. C.; Nielsen, K.; Flores, V.; Ramaswamy, N.; Jankowski, M.; O'Hagan, B.; Wilkins, A.; Freyer, D. R.; Pai, A. L.; Schwartz, L. A.
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PurposeTo describe the rationale, methods, and baseline sample descriptives of the Adolescent and Young Adult Tracking Engagement and Management Skills (AYA TEAMS) cohort. The AYA TEAMS study is a longitudinal observational cohort study that aims to identify determinants and patterns of self-management and engagement in cancer-related long-term follow-up (LTFU) care and validate a novel transition readiness assessment among adolescent and young adult (AYA) survivors of childhood cancer. ParticipantsAYA survivors of childhood cancer (ages 16-25) and their caregivers were enrolled from 3 large pediatric oncology centers across the United States from 2020-2022 and followed for 2 years (minimum) to 3 years and 3 months (if transferred to adult care). AYA inclusion criteria were: past childhood cancer diagnosis, at least 2 years off-treatment, 5 years since diagnosis, engaged with the participating pediatric health care system within the last 18 months, cognitively able to complete study procedures, and English speaking. AYA completed a comprehensive battery of measures including assessments of self-management and transition readiness at baseline and annually for 2 years. For AYA transferred to adult care, separate measures were administered at the time of transfer (following last pediatric visit) and 15 months post transfer. Caregivers (English or Spanish-speaking) completed a single survey at baseline to capture family functioning, psychosocial risk, and transition readiness. Cancer diagnosis, treatment modalities, treatment-related late effects, and engagement in LTFU care were captured via electronic medical record review. In total, 709 AYA were enrolled and 587 were included in the final cohort [Mage=19.7 years, 52.5% female, 38.2% from racial and/or ethnic minoritized groups, (REMG)]. The cohort was on average 7.3 years old at the time of diagnosis and 10.5 years off treatment. Half (52.5%) were survivors of leukemia/lymphoma, 38.0% solid tumors, and 9.5% central nervous system tumors. Three hundred and ninety-nine caregivers participated (90% mothers). Findings to DateEnrolled AYA excluded from the baseline cohort were more likely to be male, from REMG, and/or to enroll without a caregiver. Baseline cohort differences between sites emerged for age, race and ethnicity, socioeconomic status, and treatment modalities and intensity. Future PlansData collection was completed in April 2025. Findings from this cohort will elucidate important predictors of self-management and engagement in recommended annual LTFU and inform the design of interventions to reduce disengagement in LTFU. Strengths and LimitationsO_LIThis study is the first known prospective cohort of AYA-only long-term survivors of childhood cancer in the United States recruited from pediatric cancer centers. C_LIO_LIThis study achieved high enrollment and retention rates across a medically and demographically diverse sample. C_LIO_LIInformed by multiple theoretical self-management models, this study will be able to examine predictors and transactional relationships of AYA survivor self-management, including engagement in pediatric and adult cancer-related long-term follow-up care. C_LIO_LIReliance on English-speaking AYA and those currently engaged with the health care system are limitations. C_LI
Margarido Pereira, T.; Virazels, M.; Jung, B.; Filleron, T.; Badier, L.; Leclercq, E.; Brayer, S.; Genais, M.; Leroy, L.; Lusque, A.; Sibaud, V.; Scarlata, C.-M.; Cerapio, J.-P.; Ayyoub, M.; Mounier, M.; Martinet, L.; Andrieu-Abadie, N.; Nedospasov, S.; Melero, I.; Delord, J.-P.; Pancaldi, V.; Pages, C.; Meyer, N.; Colacios, C.; Montfort, A.; Segui, B.
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The phase 1b TICIMEL clinical trial evaluated the safety, tolerability, and anti-tumor activity of combining the immune checkpoint inhibitors (ICI), ipilimumab and nivolumab, with tumor necrosis factor (TNF) blockers, certolizumab or infliximab, to treat advanced melanoma patients. A higher proportion of responses was observed in patients receiving ICI and certolizumab, while patients treated with ICI and infliximab demonstrated superior tolerability. Moreover, CITE-Seq analyses of circulating CD8 T cells showed that ICI plus certolizumab promoted an IFN signature, whereas ICI plus infliximab reduced the induction of genes associated with T cell activation. In preclinical models, ICI and TNF blockade with certolizumab increased IFN-{gamma}+ CD8 T cells and reduced regulatory T cells in tumors. The IgG1 Fc fragment of infliximab was identified as counteracting the benefits of TNF blockade. These findings underscore the importance of selecting the optimal TNF blocker to combine with ICI to enhance therapy efficacy in melanoma patients. ClinicalTrials.gov identifiers: NCT03293784; NCT05867004.
Lehrer, S.; Rheinstein, P.
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BackgroundTumor-associated macrophages (TAMs) display context-dependent functional polarization, but whether their prognostic impact is consistent across tumor types remains unclear. MethodsWe analyzed RNA-sequencing and clinical data from The Cancer Genome Atlas (TCGA) lung adenocarcinoma (LUAD; n=648), lung squamous carcinoma (LUSC; n=623), and melanoma (SKCM; n=466). Cox proportional hazards models adjusted for age and AJCC stage evaluated per-standard deviation (SD) expression of TAM markers (FOLR2, TREM2) and T-cell markers (CD8A, CXCL9). Cross-histology interaction terms tested divergence between LUAD and LUSC. ResultsIn melanoma, higher FOLR2 (HR 0.87), TREM2 (HR 0.83), CD8A (HR 0.69), and CXCL9 (HR 0.67) independently predicted improved survival. LUAD showed largely neutral macrophage effects. In contrast, LUSC demonstrated an adverse association for FOLR2 (HR 1.28). Interaction analysis confirmed significant divergence for FOLR2 and TREM2 between LUAD and LUSC. ConclusionsTAM-associated prognostic effects reverse by tumor histology, supporting tumor-context-dependent macrophage polarization and informing macrophage-targeted therapeutic strategies.
Sutanto, H.; Savitri, M.; Hendarsih, E.; Ashariati, A.
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BackgroundQuality-of-life (QoL) assessment is essential in breast cancer care, yet limited evidence describes how interrelated QoL domains change during pharmacotherapy. This study aimed to evaluate correlations among functional and symptom scales using the EORTC QLQ-C30 and QLQ-BR23, highlighting their ability to reveal multidimensional QoL patterns. MethodsA prospective observational study was conducted in two second-referral hospitals in Indonesia, enrolling 106 female breast cancer patients. QoL was assessed before and after pharmacotherapy using QLQ-C30 and QLQ-BR23. Changes in scores ({Delta}) were computed, and interdomain relationships were analyzed using Spearmans rho. ResultsPhysical functioning correlated with role functioning ({rho} = 0.55, p <0.001), emotial functioning ({rho} = 0.33, p <0.001), and social functioning ({rho} = 0.31, p = 0.002). Role and social functioning were likewise correlated ({rho} = 0.32, p = 0.001), indicating that improvements across functional domains tended to occur in parallel. Symptom scales showed strong positive clustering, including fatigue with pain ({rho} = 0.37, p <0.001), insomnia ({rho} = 0.35, p <0.001), and systemic side effects ({rho} = 0.48, p <0.001). Functional and symptom domains generally exhibited inverse relationships: physical functioning negatively correlated with fatigue ({rho} = -0.40), pain ({rho} = -0.43), both p <0.001, and systemic side effects ({rho} = -0.26; p = 0.01). ConclusionThe QLQ-C30 and QLQ-BR23 instruments effectively captured structured, clinically meaningful interdependencies. Functional improvements consistently aligned with symptom reductions, revealing coherent functional-symptom clustering. These findings underscore the sensitivity of QoL instruments to detect multidimensional patient-reported changes during breast cancer pharmacotherapy.
Afaya, A.; Amenah, D. B.; Chambas, F.; Aidoo, P.; Gideon, O. A.; Vidzor, M.; Aidoo, B.; Afaya, R. A.; Avane, M. A.; Daniels-Donkor, S. S.; Daliri, D. B.; Salia, S. M.
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BackgroundGynecological cancers and their treatments can compromise fertility, with profound psychosocial consequences for women of reproductive age. Yet, womens lived experiences of cancer-related infertility remain underexplored in low-resource settings, including Ghana. This study examined the impact of gynecological cancers on fertility among reproductive-aged women receiving care at Ho Teaching Hospital, Ghana. MethodsA qualitative descriptive design was used. Fourteen women aged 15-49 years with gynecological cancers who had completed or were undergoing treatment were purposively recruited until saturation. Semi-structured interviews (30-45 minutes) were conducted face-to-face or by telephone in English, Twi, or Ewe, audio-recorded, transcribed verbatim, and analyzed using thematic analysis. Strategies to enhance rigor included independent coding, member checking, reflexivity, and peer debriefing. ResultsFive themes and eighteen subthemes emerged. Participants described infertility as a threat to womanhood and future life plans, expressed as a sense of incompleteness, fear of rejection, denial, and shattered aspirations. Social consequences included stigma and impaired intimate relationships. Treatment-related burdens, menstrual changes, pain, fatigue, and anxiety compounded distress. Economic hardship and educational disruption were common. Women also demonstrated resilience through adherence to treatment, dietary and lifestyle modifications, faith-based coping, and family support. ConclusionGynecological cancer-related infertility is a multidimensional survivorship burden. Integrating fertility counseling, psychosocial support, symptom management, and financial/social protection into cancer care is critical in Ghanaian settings.
Makani, A.
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Medical oncology education faces a dual crisis: knowledge velocity that outpaces static curricula and large language model (LLM) risks--hallucination and automation bias--that threaten the fidelity of AI-assisted learning. We present Onco-Shikshak V7, an AI-native adaptive learning platform that addresses both challenges through a unified cognitive architecture grounded in learning science. The system replaces isolated educational modules with four authentic clinical workflows--Morning Report, Tumor Board, Clinic Day, and AI Textbook--each scaffolded by a nine-module pedagogy engine that integrates ACT-R activation dynamics (illness scripts), Item Response Theory (adaptive difficulty), the Free Spaced Repetition Scheduler (FSRS v4), Zone of Proximal Development (scaffolding), and metacognitive calibration training (Brier score). Six specialist AI agents--medical oncology, radiation oncology, surgical oncology, pathology, radiology, and oncology navigation--engage in multi-disciplinary deliberation with per-specialty retrieval-augmented generation (RAG) grounding across nine authoritative guideline sources including NCCN, ESMO, and ASTRO. The platform provides 18 clinical cases with decision trees across six cancer types, maps every interaction to 13 ACGME Hematology-Oncology milestones, and implements four closed-loop feedback mechanisms that connect session errors to targeted flashcards, weak domains to suggested cases, and all interactions to a persistent learner profile. Technical validation confirms algorithmic correctness across eight subsystems. To our knowledge, this is the first system to unify ACT-R, IRT, FSRS, ZPD, and metacognitive calibration in a single medical education platform. Formal learner evaluation via randomized controlled trial is planned.