Understanding the Brain


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BACE1-AS, also known as BACE1 antisense RNA (non-protein coding), is a human gene at 11q23.3 encoding a long noncoding RNA molecule. It is transcribed from the opposite strand to BACE1 and is upregulated in patients with Alzheimer's disease.[1] BACE1-AS regulates the expression of BACE1 by increasing BACE1 mRNA stability and generating additional BACE1 through a post-transcriptional feed-forward mechanism. By the same mechanism it also raises concentrations of beta amyloid, the main constituent of senile plaques. BACE1-AS concentrations are elevated in subjects with Alzheimer's disease and in amyloid precursor protein transgenic mice. Knocking down BACE1-AS reduces amyloid production and plaque deposition. [2]


  1. Faghihi MA, Modarresi F, Khalil AM, Wood DE, Sahagan BG, Morgan TE, Finch CE, St Laurent G, Kenny PJ, Wahlestedt C (2008). "Expression of a noncoding RNA is elevated in Alzheimer's disease and drives rapid feed-forward regulation of beta-secretase". Nat Med 14 (7): 723–30. doi:10.1038/nm1784. PMC 2826895. PMID 18587408. 
  2. Modarresi F, Faghihi MA, Patel NS, Sahagan BG, Wahlestedt C, Lopez-Toledano MA. (2011). "Knockdown of BACE1-AS Nonprotein-Coding Transcript Beta-Amyloid-Related Hippocampal Neurogenesis". Int J Alzheimers Dis. PMID 21785702.