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Preimplantation factor modulates oligodendrocytes by H19-induced demethylation of NCOR2
Marialuigia Spinelli, Celiné Boucard, Sara Ornaghi, Andreina Schoeberlein, Keller Irene, Daniel Coman, Fahmeed Hyder, Longbo Zhang, Valérie Haesler, Angelique Bordey, Eytan Barnea, Michael Paidas, Daniel Surbek, Martin Mueller
Marialuigia Spinelli, Celiné Boucard, Sara Ornaghi, Andreina Schoeberlein, Keller Irene, Daniel Coman, Fahmeed Hyder, Longbo Zhang, Valérie Haesler, Angelique Bordey, Eytan Barnea, Michael Paidas, Daniel Surbek, Martin Mueller
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Research Article Neuroscience Therapeutics

Preimplantation factor modulates oligodendrocytes by H19-induced demethylation of NCOR2

Abstract

Failed or altered gliogenesis is a major characteristic of diffuse white matter injury in survivors of premature birth. The developmentally regulated long noncoding RNA (lncRNA) H19 inhibits S-adenosylhomocysteine hydrolase (SAHH) and contributes to methylation of diverse cellular components, such as DNA, RNA, proteins, lipids, and neurotransmitters. We showed that the pregnancy-derived synthetic PreImplantation Factor (sPIF) induces expression of the nuclear receptor corepressor 2 (NCOR2) via H19/SAHH-mediated DNA demethylation. In turn, NCOR2 affects oligodendrocyte differentiation markers. Accordingly, after hypoxic-ischemic brain injury in rodents, myelin protection and oligodendrocytes’ fate are in part modulated by sPIF and H19. Our results revealed an unexpected mechanism of the H19/SAHH axis underlying myelin preservation during brain recovery and its use in treating neurodegenerative diseases can be envisioned.

Authors

Marialuigia Spinelli, Celiné Boucard, Sara Ornaghi, Andreina Schoeberlein, Keller Irene, Daniel Coman, Fahmeed Hyder, Longbo Zhang, Valérie Haesler, Angelique Bordey, Eytan Barnea, Michael Paidas, Daniel Surbek, Martin Mueller

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