PMID- 22693605 OWN - NLM STAT- MEDLINE DCOM- 20121022 LR - 20211021 IS - 1932-6203 (Electronic) IS - 1932-6203 (Linking) VI - 7 IP - 5 DP - 2012 TI - Protoplasmic astrocytes enhance the ability of neural stem cells to differentiate into neurons in vitro. PG - e38243 LID - 10.1371/journal.pone.0038243 [doi] LID - e38243 AB - Protoplasmic astrocytes have been reported to exhibit neuroprotective effects on neurons, but there has been no direct evidence for a functional relationship between protoplasmic astrocytes and neural stem cells (NSCs). In this study, we examined neuronal differentiation of NSCs induced by protoplasmic astrocytes in a co-culture model. Protoplasmic astrocytes were isolated from new-born and NSCs from the E13-15 cortex of rats respectively. The differentiated cells labeled with neuron-specific marker beta-tubulin III, were dramatically increased at 7 days in the co-culture condition. Blocking the effects of brain-derived neurotrophic factor (BDNF) with an anti-BDNF antibody reduced the number of neurons differentiated from NSCs when co-cultured with protoplasmic astrocytes. In fact, the content of BDNF in the supernatant obtained from protoplasmic astrocytes and NSCs co-culture media was significantly greater than that from control media conditions. These results indicate that protoplasmic astrocytes promote neuronal differentiation of NSCs, which is driven, at least in part, by BDNF. FAU - Liu, Yuan AU - Liu Y AD - The 3rd Department of Research Institute of Surgery, Daping Hospital, The Third Military Medical University, State Key Laboratory of Trauma, Burns and Combined Injury, Chongqing, People's Republic of China. FAU - Wang, Li AU - Wang L FAU - Long, Zaiyun AU - Long Z FAU - Zeng, Lin AU - Zeng L FAU - Wu, Yamin AU - Wu Y LA - eng PT - Journal Article PT - Research Support, Non-U.S. Gov't DEP - 20120531 PL - United States TA - PLoS One JT - PloS one JID - 101285081 RN - 0 (Brain-Derived Neurotrophic Factor) SB - IM MH - Animals MH - Astrocytes/*cytology MH - Brain-Derived Neurotrophic Factor/metabolism MH - *Cell Differentiation MH - Cell Proliferation MH - Coculture Techniques MH - Cytoplasm/*metabolism MH - Neural Stem Cells/*cytology/metabolism MH - Neurons/*cytology MH - Rats PMC - PMC3365019 COIS- Competing Interests: The authors have declared that no competing interests exist. EDAT- 2012/06/14 06:00 MHDA- 2012/10/23 06:00 PMCR- 2012/05/31 CRDT- 2012/06/14 06:00 PHST- 2012/01/16 00:00 [received] PHST- 2012/05/02 00:00 [accepted] PHST- 2012/06/14 06:00 [entrez] PHST- 2012/06/14 06:00 [pubmed] PHST- 2012/10/23 06:00 [medline] PHST- 2012/05/31 00:00 [pmc-release] AID - PONE-D-12-01767 [pii] AID - 10.1371/journal.pone.0038243 [doi] PST - ppublish SO - PLoS One. 2012;7(5):e38243. doi: 10.1371/journal.pone.0038243. Epub 2012 May 31.