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oR1/AMPK pathway. Therefore, AdipoRon might be a potential candidate for the treatment of AD on the early stage. While significant weight loss has been observed in the first two years following adjustable gastric banding (AGB), research on the long-term effectiveness of gastric restriction (e.g., 5 years) both on weight loss and eating behavior changes is scarce. The present study examined obese patients' changes in eating behavior preoperatively and 5 years after AGB and examined their associations with excess weight loss (EWL). Specifically, we focused on the association between the modification of three eating behavior profiles (i.e., restrained eating, emotional eating and external eating) and %EWL at 5 years. Among the 197 participants who underwent AGB, 136 completed the clinical assessments (weight, depression with the BDI, eating behavior with the DEBQ) before surgery, and after 5 years. Resultsshowed that the mean percentage of EWL was 47% after 5 years. Moreover, patients reported lower emotional eating and external eating after 5 years in comparison to the baseline, whereas there were no differences concerning restrained eating. Importantly, patients who presented higher %EWL at 5 years also reported a greater decrease in emotional eating between the two sessions than those with low %EWL. Our study underlines that eating behaviors are major variables involved in weight loss after gastric restriction. Results showed that emotional and external eating decreased significantly at 5 years whereas restrained eating behaviors did not vary between the pre- and postoperative stages. Moreover, the data suggest that a decrease in emotional eating accounts for the extent of EWL. Morbidly obese patients are most successfully treated with bariatric surgery. Although restrictive gastric surgery physically limits food intake, it is also suggested that eating behavior and food-reward mechanisms are affected. Therefore, eating behavior and food-reward were assessed in ten patients that underwent gastric volume reduction by endoscopic gastroplication. Patients participated in test days before and one, three and twelve months after the procedure. Weight loss, food intake, appetite, gastric emptying rate, food-reward (i.e. liking and wanting) and eating behavior were assessed. Body mass index decreased from 38.3 (37.6-42.6) to 33.9 (31.0-35.9) kg/m2 after one year. Ad libitum food intake decreased significantly after one month, but not after one year. Gastric emptying rate did not change. AUC of VAS scores for desire to eat, quantity, fullness, hunger, snacking and satiety changed after one month, but not all remained significantly changed after one year. Thirst did not change. Liking scores of food items decreased significantly in the fasted as well as the satiated state after the procedure. Wanting scores did not change. Uncontrolled eating decreased significantly after three and twelve months; emotional eating was only significantly decreased after three months. The results show that food intake decreases, while VAS scores for appetite and eating behavior change accordingly. Liking, but not wanting of food items changed to benefit the weight losing patient. The effects were stronger at one-month follow-up than at 12 months, which may be a risk of relapse after initial successful weight loss. The effects of new bariatric procedures on food-reward should be studied in future randomized trials to further elucidate their impact. REGISTERED AT CLINICALTRIALS. GOV NCT02381340. Although both the incidence and the mortality rate of breast cancer is rising, there is no potent and practical option for the treatment of these patients, particularly in advanced stages. One of the most critical challenges for treatment is the presence of complicated and extensive tumor escape mechanisms in the tumor microenvironment. Immune checkpoint molecules are of the main immunosuppressive mechanisms used by cancerous cells to block anti-cancer immune responses. Among these molecules, PD-1 (Programmed cell death) and PD-L1 (programmed cell death-ligand 1) have been considered as worthy therapeutic targets for breast cancer therapy. In this review, we intend to discuss the immunobiology and signaling of the PD-1/PD-L1 axis and highlight its importance as a worthy therapeutic target in breast cancer. We believe that the prognostic value of PD-L1 depends on the breast cancer subtype. Moreover, the combination of PD-1/PD-L1 targeting with immune-stimulating vaccines can be considered as an effective therapeutic strategy in breast cancer. AIM This study was aimed to synthesize novel caffeic acid derivatives and evaluate their potential applications for the treatment of oxidative stress associated disease. MAIN METHODS Caffeic acid sulfonamide derivatives were synthesized by coupling sulfonamides to the backbone of caffeic acid and fully characterized by melting point test, FT-IR, MS, NMR, UV-vis and n-octanol-water distribution assay. Their free radical scavenging ability was evaluated using DPPH assay and cytotoxicity against A549 cells were determined by MTT assay. The protective effect of these derivatives against hydrogen peroxide (H2O2) induced oxidative injury was assessed in A549 cells from cell viability, production of reactive oxygen species (ROS) and malondialdehyde (MDA), alternation of antioxidase activities, and expressions of Nrf2 and its target genes. KEY FINDINGS Six novel caffeic acid sulfonamide derivatives were obtained. https://www.selleckchem.com/products/actinomycin-d.html The derivatives showed better liphophilicity than the parent caffeic acid. CASMZ, CAST and CASQ exhibited similar DPPH scavenging capability as caffeic acid, while the protection of hydroxyl groups on the benzene ring with acetyl groups caused decrease in radical scavenging activity. No inhibitory effect on the proliferation of A549 cells were observed up to a concentration of 50 μM. Pre-treatment of cells with these derivatives strongly inhibited H2O2 induced decrease of cell viability, reduced the production of ROS and MDA, promoted antioxidase activities, and further upregulated the expression of Nrf2 and its target genes. SIGNIFICANCE Caffeic acid sulfonamide derivatives were synthesized with simple reactions under mild conditions. They might protect cells from H2O2-induced oxidative injury via Nrf2 pathway.
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