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A soluble endoplasmic reticulum factor as regenerative therapy for Wolfram syndrome.


ABSTRACT: Endoplasmic reticulum (ER) stress-mediated cell death is an emerging target for human chronic disorders, including neurodegeneration and diabetes. However, there is currently no treatment for preventing ER stress-mediated cell death. Here, we show that mesencephalic astrocyte-derived neurotrophic factor (MANF), a neurotrophic factor secreted from ER stressed cells, prevents ER stress-mediated ? cell death and enhances ? cell proliferation in cell and mouse models of Wolfram syndrome, a prototype of ER disorders. Our results indicate that molecular pathways regulated by MANF are promising therapeutic targets for regenerative therapy of ER stress-related disorders, including diabetes, retinal degeneration, neurodegeneration, and Wolfram syndrome.

SUBMITTER: Mahadevan J 

PROVIDER: S-EPMC7438202 | biostudies-literature | 2020 Sep

REPOSITORIES: biostudies-literature

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A soluble endoplasmic reticulum factor as regenerative therapy for Wolfram syndrome.

Mahadevan Jana J   Morikawa Shuntaro S   Yagi Takuya T   Abreu Damien D   Lu Simin S   Kanekura Kohsuke K   Brown Cris M CM   Urano Fumihiko F  

Laboratory investigation; a journal of technical methods and pathology 20200504 9


Endoplasmic reticulum (ER) stress-mediated cell death is an emerging target for human chronic disorders, including neurodegeneration and diabetes. However, there is currently no treatment for preventing ER stress-mediated cell death. Here, we show that mesencephalic astrocyte-derived neurotrophic factor (MANF), a neurotrophic factor secreted from ER stressed cells, prevents ER stress-mediated β cell death and enhances β cell proliferation in cell and mouse models of Wolfram syndrome, a prototype  ...[more]

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