ArticleJournal of physiology and biochemistry2023
Modulation of rectal cancer stemness, patient outcome and therapy response by adipokines.
Article in Journal of physiology and biochemistry, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed, 3 citations in OpenAlex.
- Adiponectin Regulated by Indole-3-Acetic Acid in Paneth Cells Controls Renewal and Differentiation of Gut Stem Cells.FASEB journal : official publication of the Federation of American Societies for Experimental Biology · 2025Article
- High OCT4 Expression Might Be Associated with an Aggressive Phenotype in Rectal Cancer.Cancers · 2023Article
Corrections and comments
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Authors and funding
4 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Response to chemoradiotherapy (CRT) in patients with locally advanced rectal cancer is highly variable. Identification of CRT non-responders and definite accurate biomarkers of response are unmet needs. In turn, adipokines might impact on colorectal cancer development. We hypothesized that imbalance in leptin and adiponectin modulates stemness potential CRT response in rectal cancer. Pre-CRT serum and tissue samples were collected from a cohort of locally advanced rectal cancer patients (n = 33), submitted to long-course CRT and proctectomy. Adiponectin and leptin were measured by ELISA in serum. In tumour biopsies, mRNA expression of stemness-related genes was evaluated by qRT-PCR and transcription factor STAT3 by immunoblotting. Correlations with clinical data and accuracy of potential CRT response biomarkers were evaluated. Carcinoembryonic antigen (CEA) but not leptin or adiponectin distinguished CRT responders from non-responders (p < 0.05). However, higher leptin and lower adiponectin serum levels were associated with positive extramesorectal nodes and extramural vascular invasion. mRNA expression of stemness factors was inversely correlated with adiponectin but positively correlated with leptin. STAT3 phosphorylation presented similar results. CEA levels together with STAT3 activation and OCT4/KLF4 expression accurately identified rectal cancer patients, CRT non-responders (AUROC 0.80; p < 0.05). Adipokines might impact rectal cancer stemness and patient prognosis. The leptin/STAT3 signalling axis provides the rational for a potential biomarker panel that identifies rectal cancer patients who will not benefit from CRT treatment.
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