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Vitamin D attenuates TNF-α-mediated neurotoxicity and improves functional recovery in experimental intracerebral haemorrhage

Cheng, S. Y.; Kiang, K. M.; Zhong, Z.; Leung, G. K.-K.

2025-06-25 neuroscience
10.1101/2025.06.22.660985 bioRxiv
Show abstract

While the neuroprotective effects of vitamin D (Vit-D) have been demonstrated pre-clinically in a wide range of neurologic conditions, its potential use in the treatment of spontaneous intracerebral hemorrhage (ICH) has not been fully explored. We previously reported that Vit-D could expedite hematoma clearance in experimental ICH by inducing the conversion of M1 to M2 macrophage to enhance erythrophagocytosis1,2. Here, we provide new evidence on the dose-dependent effects of Vit-D on neuronal survival and functional recovery, lending further support for the clinical testing of Vit-D in the management of ICH.

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