ArticleMolecular biology reports2024
Regulation of pro-apoptotic and anti-apoptotic factors in obesity-related esophageal adenocarcinoma.
Article in Molecular biology reports, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed.
- The impact of frailty syndrome on skeletal muscle histology: preventive effects of exercise.FEBS open bio · 2025Article
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6 authors.
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Abstract
backgroundObesity is a risk factor for esophageal adenocarcinoma (EAC). It was reported that obesity -associated inflammation correlates with insulin resistance and increased risk of EAC. The objective of the study is to investigate the role of obesity associated inflammatory mediators in the development of EAC.
methodsWe included 23 obese and nonobese patients with EAC or with or without Barrett's esophagus (BE) after IRB approval. We collected 23 normal, 10 BE, and 19 EAC tissue samples from endoscopy or esophagectomy. The samples were analyzed for the expression levels of pro-apoptotic and anti-apoptotic factors, PKC-δ, cIAP2, FLIP, IGF-1, Akt, NF-kB and Ki67 by immunofluorescence and RT-PCR. We compared the expression levels between normal, BE, and EAC tissue using Students' t-test between two groups.
resultsOur results showed decreased gene and protein expression of pro-apoptotic factors (bad, bak and bax) and increased expression of anti-apoptotic factors (bcl-2, Bcl-xL) in BE and EAC compared to normal tissues. There was increased gene and protein expression of PKC-δ, cIAP2, FLIP, NF-kB, IGF-1, Akt, and Ki67 in BE and EAC samples compared to normal esophagus. Further, an increased folds changes in mRNA expression of proapoptotic factors, antiapoptotic factors, PKC-δ, IGF-1, Akt, and Ki-67 was associated with obesity.
conclusionPatients with EAC had increased expression of cIAP2 and FLIP, and PKC-δ which is associated with inhibition of apoptosis and possible progression of esophageal adenocarcinoma.
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