Body weight and glucose metabolism have a different effect on circulating levels of ICAM-1, E-selectin, and endothelin-1 in humans

BACKGROUND: Endothelial dysfunction and inflammation are present in both type 2 diabetes mellitus (T2DM) and obesity. In this paper we compared the role of weight loss and of glycaemic control in determining circulating levels of ICAM-1, endothelin-1 (ET-1), and E-selectin in patients with morbid (grade 3) obesity. METHODS AND RESULTS: ICAM-1, E-selectin, and ET-1 were higher in obese patients (n=96) than in lean controls (n=30); among obese patients, the three molecules were higher in T2DM patients (n=26) than in patients with normal (NGT, n=43) or impaired (IGT, n=27) glucose tolerance. Sixty-eight obese patients had a significant weight loss induced by bariatric surgery, and showed a significant decrease in blood glucose, HbA1c and all molecules, so that ICAM-1, E-selectin, and ET-1 were not different in NGT, IGT and T2DM patients, and in lean controls; in 13 patients with a small weight loss induced by diet, changes were not significant, in spite of a significant reduction in blood glucose and HbA1c. At stepwise regression, changes in ICAM-1, ET-1, and E-selectin significantly correlated only with change in body mass index. CONCLUSIONS: These data indicate that weight loss is more important than glycaemic control in regulating circulating levels of ICAM-1, ET-1, E-selectin in morbidly obese subjects.

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2 OP Skeletal muscle triglyceride reduction improves insulin sensitivity in morbidly obese patients after surgical-induced weight loss. Role of TNF-alpha and glut4 expression

Digestive and Liver Disease ◽

10.1016/s1590-8658(02)90508-6 ◽

2002 ◽

Vol 34 ◽

pp. A134

Author(s):

E. Capristo ◽

G. Mingrone ◽

G. Rosa ◽

P. Di Rocco ◽

M. Manco ◽

...

Keyword(s):

Skeletal Muscle ◽

Weight Loss ◽

Insulin Sensitivity ◽

Tnf Alpha ◽

Morbidly Obese ◽

Obese Patients ◽

Glut4 Expression ◽

Muscle Triglyceride

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PPAR-γ Gene Expression in Human Adipose Tissue Is Associated with Weight Loss After Sleeve Gastrectomy

Journal of Gastrointestinal Surgery ◽

10.1007/s11605-021-05216-6 ◽

2021 ◽

Author(s):

Jorge-Luis Torres ◽

Ricardo Usategui-Martín ◽

Lourdes Hernández-Cosido ◽

Edgar Bernardo ◽

Laura Manzanedo-Bueno ◽

...

Keyword(s):

Weight Loss ◽

Adipose Tissue ◽

Sleeve Gastrectomy ◽

Morbidly Obese ◽

Peroxisome Proliferator ◽

Obese Patients ◽

Peroxisome Proliferator Activated Receptor ◽

Clinical Variables ◽

Ppar Γ ◽

Obese Subjects

Abstract Background The peroxisome proliferator-activated receptor (PPAR)-γ plays a key role in adipose tissue differentiation and fat metabolism. However, it is unclear which factors may regulate its expression and whether obese patients have changes in adipose tissue expression of PPAR-γor potential regulators such as miR-27. Thus, our aims were to analyze PPAR-γ and miR-27 expression in adipose tissue of obese patients, and to correlate their levels with clinical variables. Subjects and Methods. We included 43 morbidly obese subjects who underwent sleeve gastrectomy (31 of them completed 1-year follow-up) and 19 non-obese subjects. mRNA expression of PPAR-γ1 and PPAR-γ2, miR-27a, and miR-27b was measured by qPCR in visceral and subcutaneous adipose tissue. Clinical variables and serum adipokine and hormone levels were correlated with PPAR-γ and miR-27 expression. In addition, a systematic review of the literature regarding PPAR-γ expression in adipose tissue of obese patients was performed. Results We found no differences in the expression of PPAR-γ and miR-27 in adipose tissue of obese patients vs. controls. The literature review revealed discrepant results regarding PPAR-γ expression in adipose tissue of obese patients. Of note, we described a significant negative correlation between pre-operative PPAR-γ1 expression in adipose tissue of obese patients and post-operative weight loss, potentially linked with insulin resistance markers. Conclusion PPAR-γ1 expression in adipose tissue is associated with weight loss after sleeve gastrectomy and may be used as a biomarker for response to surgery.

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Update on the Mechanisms Facilitating Weight Loss and Resolution of Type 2 Diabetes Following Bariatric Surgery

Romanian Journal of Diabetes Nutrition and Metabolic Diseases ◽

10.2478/v10255-012-0049-6 ◽

2012 ◽

Vol 19 (4) ◽

pp. 425-432

Author(s):

Cornelia Zetu ◽

Rubin Munteanu ◽

Anca Frunză ◽

Constantin Ionescu-Tîrgovişte

Keyword(s):

Diabetes Mellitus ◽

Type 2 Diabetes ◽

Bariatric Surgery ◽

Body Mass Index ◽

Weight Loss ◽

Morbidly Obese ◽

Obese Patients ◽

Glucose Profiles ◽

Obese Subjects

AbstractThe prevalence of type 2 diabetes mellitus (T2DM) and obesity is steadily increasingworldwide. To fight the twin pandemics of obesity and T2DM, clinicians need everytool they can get. Major, durable weight loss is uncommon with medical andbehavioral approaches; many diabetes drugs promote weight gain, while using themto obtain better blood glucose profiles increases the risk of hypoglycemia. Bariatricsurgery seems to be the most effective method for promoting major and durableweight loss in obese subjects, leading also to ameliorations of obesity-associated comorbidities,especially T2DM. Currently, indications for bariatric surgery includemorbidly obese patients or patients with a body mass index (BMI) >35 withsignificant co-morbidities. Currently, bariatric surgery (also referred to as“metabolic surgery”) is advocated for the treatment of T2DM even in overweightsubjects who do not meet the current BMI criteria. This review examines the currentevidence regarding the mechanisms of T2DM resolution following bariatric surgery.

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Obstructive sleep apnea syndrome in non-obese patients

Sleep And Breathing ◽

10.1007/s11325-021-02412-1 ◽

2021 ◽

Author(s):

Caterina Antonaglia ◽

Giovanna Passuti

Keyword(s):

Obstructive Sleep Apnea ◽

Sleep Apnea ◽

Obstructive Sleep Apnea Syndrome ◽

Sleep Apnea Syndrome ◽

Obese Patients ◽

Obstructive Sleep ◽

Obese Subjects ◽

Apnea Syndrome ◽

Symptoms And Signs

AbstractObstructive sleep apnea syndrome (OSAS) is characterized by symptoms and signs of more than 5 apneas per hour (AHI) at polysomnography or 15 or more apneas per hour without symptoms. In this review, the focus will be a subgroup of patients: adult non-obese subjects with OSA and their specific features. In non-obese OSA patients (patients with BMI < 30 kg/m2), there are specific polysomnographic features which reflect specific pathophysiological traits. Previous authors identified an anatomical factor (cranial anatomical factors, retrognatia, etc.) in OSA non-obese. We have hypothesized that in this subgroup of patients, there could be a non-anatomical pathological prevalent trait. Little evidence exists regarding the role of low arousal threshold. This factor could explain the difficulty in treating OSA in non-obese patients and emphasizes the importance of a specific therapeutic approach for each patient.

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How can we predict which morbidly obese patients will adhere to weight-loss programs based on life style changes?

Endocrinología y Nutrición (English Edition) ◽

10.1016/j.endoen.2013.09.001 ◽

2013 ◽

Vol 60 (6) ◽

pp. 297-302

Author(s):

Juan J. Tur ◽

Antonio J. Escudero ◽

Dora Romaguera ◽

Bartolomé Burguera

Keyword(s):

Weight Loss ◽

Life Style ◽

Morbidly Obese ◽

Obese Patients ◽

Weight Loss Programs ◽

Life Style Changes

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The value of blood serotonin for effective weight loss in obese women

Obesity and metabolism ◽

10.14341/omet2015331-35 ◽

2015 ◽

Vol 12 (3) ◽

pp. 31-35

Author(s):

Natal'ya Vadimovna Anikina ◽

Elena Nikolaevna Smirnova

Keyword(s):

Weight Loss ◽

Body Weight ◽

Clinical Laboratory ◽

Normal Weight ◽

Obese Patients ◽

Obese Women ◽

Endothelin 1 ◽

Excessive Accumulation ◽

Made In

Introduction. Obesity is a disorder of energy balance, which leads to excessive accumulation of fat. In recent years, many important discoveries were made in this field, including the discovery of hormones produced by adipose tissue and the identification of many of the central and peripheral pathways of energy balance.Objective. To study the levels of hormones that affect appetite and metabolism in women with obesity baseline and after weight loss while taking sibutramine.Materials and methods. The study included 56 women aged 42,9±9,5 years, with a BMI of 34,6±6,1 kg/m2. All patients underwent clinical, laboratory and instrumental examination. Hormonal study included determination of serotonin, leptin, ghrelin, endothelin-1, adiponectin.Results: In women with obesity we identified hyperleptinemia and increased serotonin levels. The decrease in body weight in patients receiving sibutramine was accompanied by lower levels of serotonin, leptin, ghrelin, endothelin-1, and increase of adiponectin.Conclusions: Obese patients have significantly elevated levels of leptin, serotonin, ghrelin compared to women of normal weight. Sibutramine treatment leads to a decrease in serotonin, leptin, ghrelin and is more effective in women with a BMI less than 36,5 kg/m2.

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Towards Precision Health in Weight Reduction: Thematic Content Analysis of an Open-Ended Survey on Reasons Why Morbidly Obese Patients Want to Lose Weight.

10.21203/rs.3.rs-42745/v1 ◽

2020 ◽

Author(s):

Mazapuspavina Md-Ya ◽

Ilham Ameera Ismail ◽

Khasnur Abd Malek ◽

Khalid Yusoff ◽

Awang Bulgiba

Keyword(s):

Morbid Obesity ◽

Weight Loss ◽

Content Analysis ◽

Weight Reduction ◽

Extensive Study ◽

Morbidly Obese ◽

Obese Patients ◽

Thematic Content Analysis ◽

Thematic Content ◽

The Impact

Abstract Background: Addressing individuals’ motivation to lose weight among patients with morbid obesity is an essential entity in weight reduction. Failures to shift motivation into weight loss actions are common. These could be contributed by the inadequacy to identify and subsequently address the key reasons, that are of particular concern to the patient' individual needs. We aimed to understand the motivations better and identify the reasons why morbidly obese patients attending hospital-based weight management programmes (WMP) wanted to lose weight. Methods: The study used a qualitative approach to analyze part of a quantitative questionnaire of a more extensive study to understand factors influencing weight loss among morbidly obese patients. We used thematic content analysis to analyze responses from a self-administered open-ended question "What is the main factor why you want to lose your weight?”. A total of 225 new patients attending obesity clinics in two tertiary hospitals responded to the questionnaire. Results: Patients’ mean BMI was 45.6±8.05 kg/m2. Four themes emerged for the reasons why morbidly obese patients wanted to lose weight. Health was the most commonly inferred theme (84%). Patients were concerned about the impact obesity had on their health. Overcoming obesity was seen as a reward not just for physical health, but also for their psychological wellbeing. Patients regard being functional to care for themselves, their family members, as well as their religious and career needs as the next most crucial theme (25.8%). Patients raised the theme appearance (12.9%), especially with regards to wanting to look and feel beautiful. The last theme was perceived stigmatization for being morbidly obese as they were mocked and laughed at for their appearance (3.1%).Conclusion: Patients with morbid obesity in this study had expressed their main personal motivational reasons to lose weight. Concerns about the impact of morbid obesity on health, physical, social and obligatory function, appearance and perceived stigma warrant detailed exploration by the managing health professionals. Identifying and addressing these unique personal motivations in a focused approach is vital at the beginning and throughout a weight reduction program in this unique group.

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Osteopontin Expression in Human and Murine Obesity: Extensive Local Up-Regulation in Adipose Tissue but Minimal Systemic Alterations

Endocrinology ◽

10.1210/en.2007-1312 ◽

2007 ◽

Vol 149 (3) ◽

pp. 1350-1357 ◽

Cited By ~ 94

Author(s):

Florian W. Kiefer ◽

Maximilian Zeyda ◽

Jelena Todoric ◽

Joakim Huber ◽

René Geyeregger ◽

...

Keyword(s):

Insulin Resistance ◽

Adipose Tissue ◽

Plasma Concentrations ◽

Morbidly Obese ◽

Low Grade ◽

Obese Patients ◽

Multifunctional Protein ◽

Inflammatory Processes ◽

Low Grade Inflammation

Obesity is associated with a chronic low-grade inflammation characterized by macrophage infiltration of adipose tissue (AT) that may underlie the development of insulin resistance and type 2 diabetes. Osteopontin (OPN) is a multifunctional protein involved in various inflammatory processes, cell migration, and tissue remodeling. Because these processes occur in the AT of obese patients, we studied in detail the regulation of OPN expression in human and murine obesity. The study included 20 morbidly obese patients and 20 age- and sex-matched control subjects, as well as two models (diet-induced and genetic) of murine obesity. In high-fat diet-induced and genetically obese mice, OPN expression was drastically up-regulated in AT (40 and 80-fold, respectively) but remained largely unaltered in liver (<2-fold). Moreover, OPN plasma concentrations remained unchanged in both murine models of obesity, suggesting a particular local but not systemic importance for OPN. OPN expression was strongly elevated also in the AT of obese patients compared with lean subjects in both omental and sc AT. In addition, we detected three OPN isoforms to be expressed in human AT and, strikingly, an obesity induced alteration of the OPN isoform expression pattern. Analysis of AT cellular fractions revealed that OPN is exceptionally highly expressed in AT macrophages in humans and mice. Moreover, OPN expression in AT macrophages was strongly up-regulated by obesity. In conclusion, our data point toward a specific local role of OPN in obese AT. Therefore, OPN could be a critical regulator in obesity induced AT inflammation and insulin resistance.

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