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BCL2-like 1 (gene)
Bcl-2-like protein 1 is a protein that in humans is encoded by the ''BCL2L1'' gene.
== Function ==
The protein encoded by this gene belongs to the BCL-2 protein family. BCL-2 family members form hetero- or homodimers and act as anti- or pro-apoptotic regulators that are involved in a wide variety of cellular activities. The proteins encoded by this gene are located at the outer mitochondrial membrane, and have been shown to regulate outer mitochondrial membrane channel (VDAC) opening. VDAC regulates mitochondrial membrane potential, and thus controls the production of reactive oxygen species(ROS) and release of cytochrome C by mitochondria, both of which are the potent inducers of cell apoptosis. Two alternatively spliced transcript variants, which encode distinct isoforms, have been reported. The longer isoform (Bcl-xL) acts as an apoptotic inhibitor and the shorter form (Bcl-xS) acts as an apoptotic activator.〔(【引用サイトリンク】 url = http://www.ncbi.nlm.nih.gov/sites/entrez?Db=gene&Cmd=ShowDetailView&TermToSearch=598 )〕
A LncRNA (Long non coding RNA, a RNA that acts without coding a protein) is involved with the alternative splicing between the two isoforms (BCL-XL and BCL-XS). This LncRNA is called INXS〔(【引用サイトリンク】 ABALON apoptotic BCL2L1-antisense long non-coding RNA (sapiens (human) ) )〕 and acts as a pro-apoptotic agent, been downregulated in cancer cells.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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