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Margarita Papatheodoridi Jean Baptiste Hiriart Monica Lupsor-Platon Fabrizio Bronte Jerome Boursier Omar Elshaarawy Fabio Marra Maja Thiele Georgios Markakis Audrey Payance Edgar Brodkin Laurent Castera George Papatheodoridis Aleksander Krag Umberto Arena Sebastian Mueller Paul Cales Vincenza Calvaruso Emmanuel A. Tsochatzis 《Journal of hepatology》2021,74(5):1109-1116
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Margarita Papatheodoridi Emilia Hadziyannis Franoise Berby Kalliopi Zachou Barbara Testoni Eirini Rigopoulou Nikolaos K. Gatselis Aggeliki Lyberopoulou Ioannis Vlachogiannakos Spilios Manolakopoulos George N. Dalekos Fabien Zoulim George V. Papatheodoridis 《Journal of viral hepatitis》2020,27(2):118-126
Reliable predictors of outcomes after treatment discontinuation in HBeAg‐negative chronic hepatitis B (CHB) patients have not been established. We investigated the role of hepatitis B surface antigen (HBsAg), interferon‐inducible protein‐10 (IP10) and hepatitis B core‐related antigen (HBcrAg) serum levels as predictors of HBsAg loss, relapse and retreatment in noncirrhotic HBeAg‐negative CHB patients who discontinued long‐term antiviral therapy. All HBsAg‐positive (n = 57) patients of the prospective DARING‐B study were included and followed monthly for 3 months, every 2/3 months until month‐12 and every 3/6 months thereafter. HBsAg, IP10 and HBcrAg levels were measured by enzyme immunoassays, and SCALE‐B score was calculated. Twelve patients achieved HBsAg loss before retreatment with 18‐month cumulative incidence of 25%. Independent predictors of HBsAg loss were baseline HBsAg and month‐1 IP10 levels. Of 10 patients with baseline HBsAg ≤100 IU/mL, 70% cleared HBsAg and 10% required retreatment. Of 23 patients with baseline HBsAg >1000 IU/mL, 4% cleared HBsAg and 43% required retreatment. Of 24 patients with intermediate baseline HBsAg (100‐1000 IU/mL), 17% cleared HBsAg and 21% required retreatment; in this subgroup, month‐1 IP10 was significantly associated with HBsAg loss, which occurred in 30% and 7% of cases with IP10 >150 and ≤150 pg/mL, respectively. Baseline HBcrAg was undetectable in all patients who cleared HBsAg and was associated with retreatment. SCALE‐B was associated with HBsAg loss but not with relapse or retreatment. In conclusion, HBsAg, IP10 and HBcrAg serum levels can be useful for the decisions and management of treatment discontinuation in noncirrhotic Caucasian patients with HBeAg‐negative CHB. 相似文献
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Kadoglou NP Vrabas IS Kapelouzou A Angelopoulou N 《European Journal of Internal Medicine》2012,23(2):137-142
BackgroundAdipose-tissue derivatives, known as adipokines, have been involved in the inflammatory-mediated metabolic and cardiovascular disorders of type 2 diabetes mellitus (T2DM). This study examined the association between novel adipokines and self-reported physical activity, a potential anti-inflammatory mediator.MethodsWe enrolled 247 men and women with T2DM, free from overt cardiovascular disease. Based on a physical activity questionnaire, patients were classified into groups: A) sedentary, who did not report any physical activity or reported light activities < 2 h/week and B) active, referring to low or moderate-intensity physical activities > 2 h/week. Among them, 88 patients were randomly selected to perform a cardiorespiratory ergocycle testing. Clinical parameters, glycemic and lipid profiles, HOMA-IR, and serum levels of visfatin, apelin, vaspin, ghrelin and adiponectin were assessed.ResultsWith the exception of fat-mass, our groups did not differ in anthropometric parameters and pharmaceutical regimen. Active patients showed ameliorated glucose regulation, HOMA-IR, hsCRP and exercise capacity compared to sedentary counterparts (p < 0.01). Active rather than sedentary patients showed lower visfatin (10.16 ± 5.53 ng/ml vs 14.77 ± 8.48 ng/ml, p = 0.013), higher apelin (1.39 ± 0.65 ng/ml vs 1.04 ± 0.35 ng/ml, p = 0.018) and adiponectin (11.82 ± 3.06 μg/ml vs 7.81 ± 2.11 μg/ml, p = 0.033) levels. There were non-significant differences in the rest of parameters between groups. After adjusting for age, sex and BMI, physical activity along with hsCRP and ghrelin remained independent determinants of visfatin levels (R2 = 0.328, p = 0.032), while physical activity was independently associated with apelin (R2 = 0.221, p = 0.022).ConclusionsSelf-controlled physical activity of, even, moderate intensity ameliorates adipokines, such as visfatin, apelin and adiponectin, in patients with T2DM. Prospective interventional studies will confirm our results.The ClinicalTrials.gov identifier is: NCT00306176. 相似文献
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Ettelaie C Li C Collier ME Pradier A Frentzou GA Wood CG Chetter IC McCollum PT Bruckdorfer KR James NJ 《Atherosclerosis》2007,194(1):88-101
In this study we examined the ability of tissue factor (TF) alone, or in conjunction with factor VIIa, factor Xa and TFPI in activating a number of key signalling pathways associated with cellular growth, stress and differentiation responses in human endothelial cells. We used luciferase reporter systems to demonstrate the activation of p42/44 MAPK by the TF-FVIIa complex, mediated via the PAR1 receptor. TF alone was capable of interacting with the cell surface and was sufficient to activate the JNK-SAPK pathway and subsequently AP-1, but the level of activation was enhanced by the activity of FXa on PAR1 and 2. Furthermore, the phosphorylated form of the transmembrane-cytoplasmic domain of TF was directly responsible for activation of these pathways. CREB activation occurred in response to TF-FVIIa in a non-protease dependent manner but was lowered on addition of FXa. Finally, NFkappaB activation occurred in response to FVIIa or FXa, with the latter exhibiting higher levels of activation. In conclusion, we have shown that TF is capable of activating differing signalling pathways, via more than one mechanism. The differential influence of TF is modified depending on the presence of other coagulation factors and ultimately acts as a deciding factor in the determination of cellular fate. 相似文献