ArticleGenetics and molecular biology2026
Expression Analysis of the orphan receptors GPR161, GPR132, GPR20, and GPR139 in patients with cervicitis and low-grade, and high-grade squamous intraepithelial lesions.
Article in Genetics and molecular biology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Cervical cancer is one of the most common types of carcinomas causing morbidity and mortality in women worldwide, primarily caused by high-risk human papillomavirus (hrHPV). However, some cervical tumors, particularly adenocarcinomas, may develop independently of HPV. Chronic cervicitis, often linked to bacterial infections, increases the risk of developing squamous low and high-grade intraepithelial lesions (LSIL and HSIL, respectively) and cervical cancer. Cancer-associated inflammation activates key signaling pathways (NF-κB, STAT, and FOXO), regulating orphan G protein-coupled receptors (oGPCRs) implicated in cancer. Notably, GPR161, GPR132, GPR20, and GPR139 play roles in various tumors. This study analyzed cervical tissue samples from 45 women undergoing colposcopy at UNEME Oncology in Mexicali, Baja California. Patient data, including reproductive history and lifestyle factors, were collected. The histopathological analysis identified 31.1% with cervicitis, 40% with LSIL, and 28.8% with HSIL. mRNA expression of orphan GPRs varied among groups, with GPR132 and GPR20 significantly elevated in LSIL samples (p < 0.05), while GPR139 expression was reduced in LSIL (p < 0.05). No significant difference was found for GPR161. The differential expression of oGPCRs in cervical tissue suggests their involvement in the progression of LSIL and HSIL, offering insights into novel therapeutic targets.
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