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Aim: The tumor microenvironment in pancreatic cancer, characterized by abundant desmoplastic stroma, has been implicated in the failure of chemotherapy. Therefore, developing therapeutic strategies targeting tumor and stromal cells is essential. Triptolide, a natural compound derived from the plant Tripterygium wilfordii, has shown antitumor activity in various cancers, including pancreatic cancer.

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Type 1 diabetes mellitus (T1DM), known as insulin-dependent diabetes mellitus, is characterized by persistent hyperglycemia resulting from damage to the pancreatic β cells and an absolute deficiency of insulin, leading to multi-organ involvement and a poor prognosis. The progression of T1DM is significantly influenced by oxidative stress and apoptosis. The natural compound eugenol (EUG) possesses anti-inflammatory, anti-oxidant, and anti-apoptotic properties.

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The Kynurenine pathway is crucial in metabolizing dietary tryptophan into bioactive compounds known as kynurenines, which have been linked to glucose homeostasis. The aryl hydrocarbon receptor (AhR) has recently emerged as the endogenous receptor for the kynurenine metabolite, kynurenic acid (KYNA). However, the specific role of AhR in pancreatic β-cells remains largely unexplored.

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A 37-year-old man presented with symptoms of polyuria and weight loss over the past year. Initial laboratory examination showed elevated blood glucose level (468 mg/dL [25.9 mmol/L]; normal reference range [RR], 75-109 mg/dL [4.

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A novel bombesin-related peptide modulates glucose tolerance and insulin secretion in non-obese and hypothalamic-obese rats.

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January 2025

Universidade Estadual do Oeste do Paraná, Programa de Pós-Graduação em Biociências e Saúde (PPG-BCS) - Cascavel, Brazil. Electronic address:

This study investigated the effects of a novel bombesin-related peptide (BR-b), derived from the skin of the Chaco tree frog (Boana raniceps), on glucose homeostasis in non-obese and hypothalamic-obese male rats. Hypothalamic obesity was induced in neonatal rats through high-dose administration of monosodium glutamate (MSG; 4 g/kg), while control animals (CTL) received an equimolar saline solution. At 70 days of age, both MSG and CTL groups underwent an oral glucose tolerance test (OGTT; 2 g/kg) with or without prior intraperitoneal administration of BR-b at doses of 0.

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