ACSS1 and neoplasm: The acyl-CoA synthetase short-chain family members (ACSSs) can convert short-chain fatty acids into short-chain acyl-CoA, and the acetic acid, transported into tumor cells, is mainly catalyzed by nuclear-cytoplasmic localized ACSS2, rather than mitochondrial-localized ACSS1, ACSS3, to produce acetyl-CoA [48].