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B3GNT3 knockdown inhibited the proliferation, invasion, and epithelial-mesenchymal transition (EMT) of PC cells. B3GNT3 overexpression significantly correlated with decreased infiltration of tumor infiltrating lymphocytes (TILs), especially CD8+ T cells. Overall, our results indicate that B3GTN3 plays a novel role in tumor progression and immunosuppression, thus serving as a potential therapeutic target in PC.The adrenocortical steroid hormone, aldosterone, regulates water and electrolyte transport in the distal tubules and collecting ducts of the nephrons in the kidney. Evidence has accumulated that it participates also in epithelial sodium absorption and potassium excretion in the colon acting via mineralocorticoid receptors. However, it is unclear whether aldosterone, like corticosterone, can be synthetized locally in the gut epithelium. Here we describe for the first time the expression of immunoreactive aldosterone in different sections of the murine gastrointestinal tract, with highest levels in the caecum. If similar findings can be verified in humans, this intestinal aldosterone might not only be of compensatory significance in severe renal failure, but also have a role in inflammatory bowel diseases as well as contributing to the development of salt-related hypertension.Obesity is associated with increased sympathetic nervous system activation, possibly contributing to higher cardiovascular risk. The aim of this study was to assess the relationship between body adiposity and sympathoadrenergic contractions in rat isolated mesenteric arteries, and the modulatory effect of mesenteric perivascular adipose tissue (PVAT). Experiments were performed on male 38-week-old Wistar, Zucker lean (ZL) and Zucker diabetic fatty (ZDF) rats. Paired rings of isolated rat superior mesenteric arteries with or without PVAT were prepared and connected to a force-displacement transducer for the recording of isometric tension. Contractile responses were elicited by increasing doses of exogenous noradrenaline and by endogenous noradrenaline released during electrical stimulation of perivascular adrenergic nerves. In ZDF rats, mesenteric PVAT had marked anticontractile effect leading to significant reduction in adrenergic contractions of their superior mesenteric arteries; however, in arterial preparient-induced mesenteric vasodilatation in this rat strain.Resveratrol (3, 5, 3'-trihydroxystilbene) is a naturally-occurring, biologically active compound having numerous beneficial effects in the organism, including anti-diabetic properties. Its anti-diabetic action have been relatively well established using various animal models, however, in Goto-Kakizaki (GK) rats is poorly explored. These animals are non-obese and have a congenital type 2 diabetes. In the present study, effects of resveratrol on cholesterol content, blood levels of some hormones (thyroxine, triiodothyronine, ghrelin and spexin), glucose and parameters indirectly related with renal function (creatinine, urea nitrogen, total protein and albumin) were explored in GK rats. GK and control rats were treated with resveratrol for 10 weeks at the dose of 20 mg/kg body weight. It was shown that cholesterol content was significantly increased in the blood, liver and the skeletal muscle of diabetic rats, compared with the control animals. selleck kinase inhibitor However, the resveratrol therapy was associated with a markedly reduced tissue cholesterol content. Our study also demonstrated that blood levels of thyroxine (T4) were decreased, and triiodothyronine (T3) increased in GK rats. These alterations were, however, not significantly affected by resveratrol. GK rats had elevated blood glucose levels, but hyperglycemia was not ameliorated by resveratrol. It was also shown that blood creatinine levels were increased in diabetic rats. However, in animals subjected to the resveratrol therapy, the blood creatinine level was unchanged. Concentrations of ghrelin, spexin and other blood parameters indirectly related with the renal function were shown to be similar in GK and control rats. These results indicate that resveratrol beneficially influences cholesterol concentrations in tissues of diabetic rats; however, it is ineffective in the case of thyroid hormones and glucose. Moreover, it was shown that resveratrol did not induce any significant effects in non-diabetic animals.This study aims to evaluated the prognostic and predictive roles of DNA mismatch repair status in colon cancer patients treated with oxaliplatin-based chemotherapy. From 2005 to 2008, patients who underwent curative surgical resection for high-risk stage II or stage III colon cancer were recruited in this study. These patients had been received oxaliplatin-based chemotherapy. A total 324 patients were included (41.7% at stage II and 58.3% at stage III), and 59 patients (18.2%) exhibited mismatch repair-deficient (dMMR). The prognostic analysis revealed an increase in disease-free survival (DFS) for dMMR patients versus proficient MMR (pMMR) patients (81.4% versus 64.2%, P = 0.009), and overall survival (OS) (86.4% versus 69.1%, P = 0.004). Among the 82 patients who did not receive adjuvant therapy, the 5-year DFS was significantly higher in patients with dMMR (81.3%) than in patients with pMMR (49.7%, P = 0.040). In the multivariate models, dMMR was independently associated with improved DFS (HR = 2.171, 95% CI 1.108 - 4.253, P = 0.024) and OS (HR = 2.521, 95% CI 1.190 - 5.339, P = 0.016). In the predictive analysis, it was observed that the benefit of treatment significantly differed according to the DNA MMR status (P = 0.020). Compared with surgery alone, oxaliplatin-based adjuvant chemotherapy improved the 5-year DFS (69.9% versus 56.2%, P = 0.024) among patients with pMMR in the multivariable analysis (HR = 0.794, 95% CI = 0.646 - 0.976, P = 0.029). In contrast, the oxaliplatin-based chemotherapy in the group with dMMR had no benefit in DFS (83.1% versus 81.8%, HR 1.040, 95% CI 0.276 - 3.922, P = 0.954). Patients with dMMR colon cancer are associated with improved survival rates, compared with pMMR colon cancer. MMR status is an independent prognostic biomarker for DFS in patients with high-risk stage II and stage III colon cancer. Oxaliplatin-based adjuvant chemotherapy mainly benefits patients with pMMR, but may not benefit patients with tumors exhibiting dMMR.
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