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Expression of Calcitonin Gene-Related Peptide and Calcitonin Receptor-like Receptor in Colorectal Adenocarcinoma
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Expression of Calcitonin Gene-Related Peptide and Calcitonin Receptor-like Receptor in Colorectal Adenocarcinoma
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Journal Article
Expression of Calcitonin Gene-Related Peptide and Calcitonin Receptor-like Receptor in Colorectal Adenocarcinoma
2024
Overview
Colorectal cancer is one of the most widespread types of cancer that still causes many deaths worldwide. The development of new diagnostic and prognostic markers, as well as new therapeutic methods, is necessary. The calcitonin gene-related peptide (CGRP) neuropeptide alongside its receptor calcitonin receptor-like receptor (CRLR) could represent future biomarkers and a potential therapeutic target. Increased levels of CGRP have been demonstrated in thyroid, prostate, lung, and breast cancers and may also have a role in colorectal cancer. At the tumor level, it acts through different mechanisms, such as the angiogenesis, migration, and proliferation of tumor cells. The aim of this study was to measure the level of CGRP in colorectal cancer patients’ serum by enzyme-linked immunosorbent assay (ELISA) and determine the level of CGRP and CRLR at the tumor level after histopathological (HP) and immunohistochemical (IHC) analysis, and then to correlate them with the TNM stage and with different tumoral characteristics. A total of 54 patients with newly diagnosed colorectal adenocarcinoma were evaluated. We showed that serum levels of CGRP, as well as CGRP and CRLR tumor level expression, correlate with the TNM stage, with local tumor extension, the presence of lymph node metastasis, and distant metastasis, and also with the tumor differentiation degree. CGRP is present in colorectal cancer from the incipient TNM stage, with levels increasing with the stage, and can be used as a diagnostic and prognostic marker and may also represent a potentially new therapeutic target.
Publisher
MDPI AG
Subject
/ Adult
/ Aged
/ Analysis
/ Biomarkers, Tumor - metabolism
/ Calcitonin Gene-Related Peptide - blood
/ Calcitonin Gene-Related Peptide - metabolism
/ Calcitonin Receptor-Like Protein - genetics
/ Calcitonin Receptor-Like Protein - metabolism
/ Cancer
/ Colorectal Neoplasms - blood
/ Colorectal Neoplasms - metabolism
/ Colorectal Neoplasms - pathology
/ Enzyme-linked immunosorbent assay
/ Female
/ Gene Expression Regulation, Neoplastic
/ Genes
/ Humans
/ Male
/ Peptides
/ Tumors
