Journal
MOLECULAR MEDICINE REPORTS
Volume 2, Issue 4, Pages 669-674Publisher
SPANDIDOS PUBL LTD
DOI: 10.3892/mmr_00000155
Keywords
mAcs16; neurite outgrowth; lipid metabolism; neuron development; small interference RNA; NB41A3 neuroblastoma cells
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Lipogenesis is crucial during neuronal development. Abnormal lipid metabolism causes neurological disorders such as Refsum disease and contributes to tumor. formation. Long-chain acyl-CoA synthetase (Acsl) ligates coenzyme A to fatty acids, thereby activating the lipid metabolism pathway. Here, we designed a specific small interference RNA (siRNA) against mouse Acs16, pU6-487i and pU6-586i, and investigated the function of Acs16 in neuron differentiation. Expression of mAcs16 mRNA and protein was markedly decreased by pU6-487i and pU6-586i in NB41A3 mouse neuroblastoma cells. We established two stable cell lines, NB41A3-487 and NB41A3-586, which expressed mAcs16 siRNA. Knockdown of the mAcs16 gene inhibited the proliferation of NB41A3 cells; in NB41A3-586 cells neurite outgrowth was suppressed, while in NB41A3-487 cells it was almost absent. In addition, pU6-487i was more effective than pU6-586i in the reduction of cell proliferation and neurite outgrowth. The decline noted in the growth curves as well as the neurite outgrowth resulting from mAcs16 knockdown indicate that the mAcs16 gene plays a pivotal role in neuron development.
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