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XIRP2 antisense RNA 1 (XIRP2-AS1)

Target: XIRP2-AS1
Molecular classification: Long noncoding RNA (lncRNA), Natural antisense transcript (NAT)

Overview

XIRP2 antisense RNA 1 (XIRP2-AS1) is a long noncoding RNA transcribed in the antisense direction relative to the XIRP2 gene. It is localized on chromosome 2q24.3 and consists of two exons[4]. XIRP2-AS1 acts as a natural antisense transcript (NAT), modulating the expression of the protein-coding XIRP2 gene or other molecular targets. In colon cancer, XIRP2-AS1 expression is significantly downregulated, and its overexpression inhibits cancer cell proliferation, invasion, and viability while promoting apoptosis. Mechanistically, XIRP2-AS1 negatively regulates miR-182, acting in a tumor-suppressive manner. Lower expression of XIRP2-AS1 is associated with poorer prognosis in colon cancer, making it a promising prognostic biomarker. No direct therapeutic agents or established mechanisms of drug action targeting XIRP2-AS1 are described in current literature[4]. As a noncoding RNA, this molecule is not classified as a conventional therapeutic target (such as a receptor, enzyme, transporter, or ion channel)[2][4].

Other names: lncRNA XIRP2-AS1Long noncoding RNA XIRP2-AS1

Biological functions

Regulation of gene expressionInhibition of cell proliferation (in cancer)Promotion of apoptosis (in cancer)Inhibition of invasion and metastasis (in cancer)

Disease associations

Cancer (colon cancer; tumor suppressor role)Potential as prognostic biomarker in colon cancer

Biomarkers

Favorable prognosis marker in colon cancer[4]

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