期刊
STEM CELLS
卷 37, 期 11, 页码 1441-1454出版社
WILEY
DOI: 10.1002/stem.3067
关键词
Cranial neural crest cells; Folate receptor alpha; Oct4; Sox2; Differentiation; Dedifferentiation
资金
- State of Illinois Excellence in Academic Medicine award
- Spastic Paralysis Research Foundation of Illinois-Eastern Iowa District of Kiwanis
- Spina Bifida Association
- Stanley Manne Children's Research Institute Pilot Grant award
- Neurofibromatosis fund from the Division of Pediatric Neurosurgery, Ann & Robert H. Lurie Children's Hospital of Chicago
- Eleanor Clarke Chair in Developmental Neurobiology
In a previous study, we showed that folate receptor-alpha (FR alpha) translocates to the nucleus where it acts as a transcription factor and upregulates Hes1, Oct4, Sox2, and Klf4 genes responsible for pluripotency. Here, we show that acetylation and phosphorylation of FR alpha favor its nuclear translocation in the presence of folate and can cause a phenotypic switch from differentiated glial cells to dedifferentiated cells. shRNA-FR alpha mediated knockdown of FR alpha was used to confirm the role of FR alpha in dedifferentiation. Ocimum sanctum hydrophilic fraction-1 treatment not only blocks the folate mediated dedifferentiation of glial cells but also promotes redifferentiation of dedifferentiated glial cells, possibly by reducing the nuclear translocation of similar to 38 kDa FR alpha and subsequent interaction with chromatin assembly factor-1.
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