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https://www.readbyqxmd.com/read/28651330/rosiglitazone-improves-insulin-resistance-mediated-by-10-12-conjugated-linoleic-acid-in-a-male-mouse-model-of-metabolic-syndrome
#1
Shari Wang, Leela Goodspeed, Katherine E Turk, Barbara Houston, Laura J den Hartigh
Trans-10, cis-12 conjugated linoleic acid (10,12 CLA) is a dietary fatty acid that promotes weight loss and disproportionate fat loss. Obese mice fed a high fat high sucrose (HFHS) diet containing 10,12 CLA are resistant to weight gain and contain markedly reduced subcutaneous fat and adiponectin, with a concurrent lack of improvement in insulin sensitivity despite significant weight loss. Taken together, 10,12 CLA promotes a phenotype resembling PPARγ antagonism. Since thiazolidinediones such as rosiglitazone (Rosi) are used clinically to improve insulin sensitivity by activating PPARγ, with particular efficacy in subcutaneous white adipose tissue, we hypothesized that Rosi would improve glucose metabolism in mice losing weight with 10,12 CLA...
June 23, 2017: Endocrinology
https://www.readbyqxmd.com/read/28649807/microrna-196-regulates-hox-gene-expression-in-human-gluteal-adipose-tissue
#2
Adeline Divoux, Hui Xie, Jian-Liang Li, Kalypso Karastergiou, Ranjan J Perera, R Jeffrey Chang, Susan K Fried, Steven R Smith
OBJECTIVE: Lower body fat is associated with diminishing cardiometabolic risk. Physiological differences between gluteofemoral and abdominal subcutaneous adipocyte functions are known, but the molecular basis for depot differences in adipocyte function is poorly understood. The objective of this study was to identify depot differences in microRNA (miRNA) expression in human abdominal and gluteofemoral subcutaneous adipose tissues and their implication in gene regulation. METHODS: Abdominal and gluteofemoral adipose tissue aspirates obtained from 18 participants (9 male and 9 female, age 30 ± 1...
June 25, 2017: Obesity
https://www.readbyqxmd.com/read/28649243/distinct-blood-and-visceral-adipose-tissue-regulatory-t-cell-and-innate-lymphocyte-profiles-characterize-obesity-and-colorectal-cancer
#3
Gloria Donninelli, Manuela Del Cornò, Marina Pierdominici, Beatrice Scazzocchio, Rosaria Varì, Barbara Varano, Ilenia Pacella, Silvia Piconese, Vincenzo Barnaba, Massimo D'Archivio, Roberta Masella, Lucia Conti, Sandra Gessani
Visceral adipose tissue (VAT) is a main site where metabolic and immunologic processes interplay to regulate, at local and systemic level, the inflammatory status and immune response. Obesity-associated inflammation and immune dysfunctions are inextricably linked to tumor but, in spite of intense efforts, the mechanisms underpinning this association remain elusive. In this report, we characterized the profile of VAT-associated and circulating innate lymphocyte and regulatory T (Treg) cell subsets underlying inflammatory conditions, such as obesity and colorectal cancer (CRC)...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28644262/host-related-risk-factors-for-adherent-perinephric-fat-in-healthy-individuals-undergoing-laparoscopic-living-donor-nephrectomy
#4
Shintaro Narita, Teruaki Kumazawa, Norihiko Tsuchiya, Huang Mingguo, Mitsuru Saito, Takamitsu Inoue, Hiroshi Tsuruta, Kazuyuki Numakura, Atsushi Maeno, Hiroshi Nanjo, Shigeru Satoh, Tomonori Habuchi
PURPOSE: The purpose of this study is to assess the risk factors and characteristics of adherent perinephric fat (APF) in healthy individuals. PATIENTS AND METHODS: Men who underwent laparoscopic donor nephrectomy were included. Video review was used to divide patients on the basis of APF severity. Relationship between APF scores and clinical and radiographic features was evaluated. RESULTS: Of the 92 patients, 43 (46.7%) and 8 (8.7%) were categorized as APF and severe APF, respectively...
June 21, 2017: Surgical Laparoscopy, Endoscopy & Percutaneous Techniques
https://www.readbyqxmd.com/read/28635127/cardiovascular-risk-score-is-linked-to-subcutaneous-adipocyte-size-and-lipid-metabolism
#5
Mikael Rydén, Peter Arner
OBJECTIVE: Although white adipose tissue mass and distribution correlates with cardiovascular disease, the fat cell-specific perturbations underlying this association are not known. We determined the relationship between adipocyte size and lipid metabolism with cardiovascular risk. DESIGN/SUBJECTS: Adipocyte size as well as spontaneous (basal) and hormone-stimulated effects on adipocyte lipid metabolism (lipolysis and lipogenesis) were investigated in abdominal subcutaneous adipose tissue of 304 men and 775 women...
June 21, 2017: Journal of Internal Medicine
https://www.readbyqxmd.com/read/28632647/high-osteogenic-potential-of-adipose-and-muscle-derived-mesenchymal-stem-cells-in-spinal-ossification-model-mice
#6
Xizhe Liu, Gentaro Kumagai, Kanichiro Wada, Toshihiro Tanaka, Toru Asari, Kazuki Oishi, Taku Fujita, Hiroki Mizukami, Ken-Ichi Furukawa, Yasuyuki Ishibashi
STUDY DESIGN: Basic experiments in a mouse model of ossification of the posterior longitudinal ligament (OPLL). OBJECTIVE: To assess the osteogenic potential of mesenchymal stem cells (MSCs) obtained from muscle and adipose tissue in Tiptoe-walking (ttw) mice, in which cervical OPLL compresses the spinal cord and causes motor and sensory dysfunction. SUMMARY OF BACKGROUND DATA: In humans, MSCs have been implicated in the pathogenesis of cervical OPLL...
June 19, 2017: Spine
https://www.readbyqxmd.com/read/28619249/metabolism-of-sex-steroids-is-influenced-by-acquired-adiposity-a-study-of-young-adult-male-monozygotic-twin-pairs
#7
Veera Vihma, Jussi Naukkarinen, Ursula Turpeinen, Esa Hämäläinen, Jaakko Kaprio, Aila Rissanen, Sini Heinonen, Antti Hakkarainen, Jesper Lundbom, Nina Lundbom, Tomi S Mikkola, Matti J Tikkanen, Kirsi H Pietiläinen
Obesity and ageing are associated with lower serum testosterone levels in men. How fat distribution or adipose tissue metabolism, independent of genetic factors and age, are related to sex steroid metabolism is less clear. We studied the associations between adiposity and serum sex hormone concentrations, and mRNA expression of genes regulating sex hormone metabolism in adipose tissue in young adult male monozygotic (MZ) twin pairs. The subjects [n=18 pairs; mean age, 32 years; individual body mass indexes (BMIs) 22-36kg/m(2)] included 9 male MZ twin pairs discordant for BMI [intra-pair difference (Δ) in BMI ≥3kg/m(2)]...
June 12, 2017: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/28611668/selective-tissue-distribution-mediates-tissue-dependent-ppar%C3%AE-activation-and-insulin-sensitization-by-int131-a-selective-ppar%C3%AE-modulator
#8
Xinni Xie, Wei Chen, Ning Zhang, Mei Yuan, Cheng Xu, Zhibing Zheng, Hua Li, Lili Wang
The mechanisms underlying the enhancement of insulin sensitivity by selective peroxisome proliferator-activated receptor γ modulators (sPPARγMs) are still not completely known. Here, the representative sPPARγM, INT131, was used as a probe to investigate the insulin-sensitizing mechanisms of sPPARγM in the context of tissue selective compound distribution and PPARγ regulation. First, 30 mg kg(-1) INT131 was observed to produce an insulin-sensitizing effect comparable to that of 10 mg kg(-1) rosiglitazone (RSG) in both db/db and DIO mice using the oral glucose and insulin tolerance tests...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28604756/anthropometry-dxa-and-leptin-reflect-subcutaneous-but-not-visceral-abdominal-adipose-tissue-by-mri-in-197-healthy-adolescents
#9
Jeanette Tinggaard, Casper P Hagen, Anders N Christensen, Annette Mouritsen, Mikkel G Mieritz, Christine Wohlfahrt-Veje, Jørn W Helge, Thomas N Beck, Eva Fallentin, Rasmus Larsen, Rikke B Jensen, Anders Juul, Katharina M Main
BACKGROUND: Abdominal fat distribution is associated with development of cardio-metabolic disease, independently of BMI. We assessed anthropometry, serum adipokines and DXA as markers of abdominal subcutaneous adipose tissue (SAT) and visceral adipose tissue (VAT) by MRIMETHODS:We performed a cross-sectional study including 197 healthy adolescents (114 boys) aged 10-15 years nested within a longitudinal population-based cohort. Clinical examination, blood sampling, DXA and abdominal MRI was performed...
June 12, 2017: Pediatric Research
https://www.readbyqxmd.com/read/28604251/the-effect-of-a-vegetarian-vs-conventional-hypocaloric-diabetic-diet-on-thigh-adipose-tissue-distribution-in-subjects-with-type-2-diabetes-a-randomized-study
#10
Hana Kahleova, Marta Klementova, Vit Herynek, Antonin Skoch, Stepan Herynek, Martin Hill, Andrea Mari, Terezie Pelikanova
OBJECTIVE: The aim of our study was to compare the effects of a vegetarian and a conventional diet on thigh adipose tissue distribution in subjects with type 2 diabetes (T2D). METHODS: Seventy-four subjects with T2D were randomly assigned to either follow a vegetarian diet (V, n = 37) or a control group who followed an isocaloric conventional anti-diabetic diet (C, n = 37). Both diets were calorie restricted (-500 kcal/day). To measure insulin sensitivity, the hyperinsulinemic (1 mU...
June 10, 2017: Journal of the American College of Nutrition
https://www.readbyqxmd.com/read/28602062/metabolically-healthy-obesity-a-friend-or-foe
#11
Chang Hee Jung, Woo Je Lee, Kee-Ho Song
Obesity is associated with a reduced life expectancy, largely because obese individuals are at an increased risk of type 2 diabetes, cardiovascular disease, and several types of cancer. Much interest has recently focused on the concept of "all obesity is not created equally." Obese individuals without the metabolic abnormalities that commonly accompany excess adiposity, a condition known as metabolically healthy obesity (MHO), account for a substantial proportion of the obese adult population. Numerous possible mechanisms underlying MHO have been suggested, including adipose tissue distribution and inflammation...
June 5, 2017: Korean Journal of Internal Medicine
https://www.readbyqxmd.com/read/28595173/effects-of-weight-loss-with-and-without-exercise-on-regional-body-fat-distribution-in-postmenopausal-women
#12
Monica C Serra, Jacob B Blumenthal, Odessa R Addison, Ann J Miller, Andrew P Goldberg, Alice S Ryan
BACKGROUND/AIMS: The purpose was to determine whether lifestyle interventions have different effects on regional fat in women with normal glucose tolerance vs. impaired glucose tolerance (NGT vs. IGT). METHODS: Changes in glucose metabolism (2-h oral glucose-tolerance tests), android to gynoid fat mass ratio (dual energy X-ray absorptiometry [DXA]), visceral to subcutaneous abdominal fat area ratio (CT), and abdominal to gluteal subcutaneous fat cell weight (FCW; adipose tissue biopsies) were determined in 60 overweight postmenopausal women (45-80 years) following 6 months of weight loss alone (WL; n = 28) or with aerobic exercise (AEX + WL; n = 32)...
June 9, 2017: Annals of Nutrition & Metabolism
https://www.readbyqxmd.com/read/28594865/gender-linked-impact-of-epicardial-adipose-tissue-volume-in-patients-who-underwent-coronary-artery-bypass-graft-surgery-or-non-coronary-valve-surgery
#13
Gulinu Maimaituxun, Michio Shimabukuro, Hotimah Masdan Salim, Minoru Tabata, Daisuke Yuji, Yoshihisa Morimoto, Takeshi Akasaka, Tomomi Matsuura, Shusuke Yagi, Daiju Fukuda, Hirotsugu Yamada, Takeshi Soeki, Takaki Sugimoto, Masashi Tanaka, Shuichiro Takanashi, Masataka Sata
BACKGROUND: Traditional and non-traditional risk factors for atherosclerotic cardiovascular disease (ASCVD) are different between men and women. Gender-linked impact of epicardial adipose tissue volume (EATV) in patients undergoing coronary artery bypass grafting (CABG) remains unknown. METHODS: Gender-linked impact of EATV, abdominal fat distribution and other traditional ASCVD risk factors were compared in 172 patients (men: 115; women: 57) who underwent CABG or non-coronary valvular surgery (non-CABG)...
2017: PloS One
https://www.readbyqxmd.com/read/28593629/type-2-diabetes-adiposity-and-cancer-morbidity-and-mortality-risk-taking-into-account-competing-risk-of-non-cancer-deaths-in-a-prospective-cohort-setting
#14
Isabel Drake, Bo Gullberg, Emily Sonestedt, Tanja Stocks, Anders Bjartell, Elisabet Wirfält, Peter Wallström, Marju Orho-Melander
Type 2 diabetes (T2D) and adiposity associate with increased risk of several cancers, but the impact of competing risk of non-cancer deaths on these associations is not known. We prospectively examined participants in the Malmö Diet and Cancer Study aged 44-73 years with no history of cancer at baseline (n=26,953, 43% men). T2D was ascertained at baseline and during follow-up, and body mass index (BMI) and waist circumference (WC) at baseline. Multivariable cause-specific hazard ratios (HR) and sub-distribution hazard ratios (sHR), taking into account non-cancer deaths, were estimated using Cox- and competing risk regression...
June 8, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28591363/effects-of-chronic-consumption-of-green-tea-on-weight-and-body-fat-distribution-of-wistar-rats-evaluated-by-computed-tomography
#15
Renata Attademo Raso, Rebecca Rodrigues Bergamaschini Paim, Sérgio Veloso Brant Pinheiro, Wilson Campos Tavares, Leonardo de Souza Vasconcellos, Luiz Ronaldo Alberti
Purpose: To evaluate the effects of chronic consumption of green tea on body weight and distribution of visceral fat by Computed tomography in female Wistar rats. Methods: Wistar rats were divided into control group (n = 5), which received water and feed ad libitum, and green tea group (n = 8), in which water has been replaced by green tea. The animals were weighed weekly and Computed Tomography was used at the beginning (1st week) and end (18th week) of the experiment for evaluating the distribution of visceral fat...
May 2017: Acta Cirúrgica Brasileira
https://www.readbyqxmd.com/read/28588784/thyrolipomatosis-a-case-report-with-review-of-the-literature
#16
Mitsuaki Ishida, Ippei Kashu, Tsuyoshi Morisaki, Masao Takenobu, Sueyoshi Moritani, Yoshiko Uemura, Koji Tsuta
Fatty tissue is not usually present within the thyroid gland. Only a few fat-containing thyroid lesions have been reported to date, and thyrolipoma is the most common fat-containing lesion of the thyroid gland. Thyrolipomatosis is a condition characterized by diffuse mature adipose cell infiltration of the normal thyroid gland. In this report, we describe what is, to the best of our knowledge, the 12th documented case of thyrolipomatosis, and review the fat-containing lesions of the thyroid gland. A 68-year-old Japanese woman presented with a neck mass that had first been noticed ~7 years earlier...
June 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28588319/subcutaneous-adiposity-is-an-independent-predictor-of-mortality-in-cancer-patients
#17
Maryam Ebadi, Lisa Martin, Sunita Ghosh, Catherine J Field, Richard Lehner, Vickie E Baracos, Vera C Mazurak
BACKGROUND: Prognostic significance of adiposity, at the time of cancer diagnosis, on survival is not clear. Body mass index (kg m(-2)) does not provide an appropriate assessment of body composition; therefore, the concept of the 'obesity paradox' needs to be investigated based on the prognostic significance of fat and muscle. Independent prognostic significance of adipose tissue in predicting mortality, importance of visceral and subcutaneous adiposity in the presence and absence of sarcopenia on survival, was investigated...
June 27, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28588036/brown-fat-depots-in-adult-humans-remain-static-in-their-locations-on-pet-ct-despite-changes-in-seasonality
#18
Terence A Jones, Narendra L Reddy, Sarah C Wayte, Oludolapo Adesanya, Georgios K Dimitriadis, Charles E Hutchinson, Thomas M Barber
Active brown adipose tissue (BAT) in humans has been demonstrated through use of positron emission tomography with 2-deoxy-2-(fluorine-18) fluoro-D-glucose integrated with computed tomography ((18)F-FDG PET/CT) scans. The aim of our study was to determine whether active human BAT depots shown on (18)F-FDG PET/CT scans remain static in their location over time. This was a retrospective study. Adult human subjects (n = 15) who had had (18)F-FDG PET/CT imaging (n = 38 scans in total) for clinical reasons were included on the basis of (18)F-FDG uptake patterns consistent with BAT activity...
June 2017: Physiological Reports
https://www.readbyqxmd.com/read/28585198/fat-cell-and-fatty-acid-turnover-in-obesity
#19
Atilla Engin
The ratio of free fatty acid (FFA) turnover decreases significantly with the expansion of white adipose tissue. Adipose tissue and dietary saturated fatty acid levels significantly correlate with an increase in fat cell size and number. Inhibition of adipose triglyceride lipase leads to an accumulation of triglyceride, whereas inhibition of hormone-sensitive lipase leads to the accumulation of diacylglycerol. The G0/G1 switch gene 2 increases lipid content in adipocytes and promotes adipocyte hypertrophy through the restriction of triglyceride turnover...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28585193/the-definition-and-prevalence-of-obesity-and-metabolic-syndrome
#20
Atilla Engin
Increase in prevalence of obesity has become a worldwide major health problem in adults, as well as among children and adolescents. Furthermore, total adiposity and truncal subcutaneous fat accumulation during adolescence are positively and independently associated with atherosclerosis at adult ages. Centrally accumulation of body fat is associated with insulin resistance, whereas distribution of body fat in a peripheral pattern is metabolically less important. Obesity is associated with a large decrease in life expectancy...
2017: Advances in Experimental Medicine and Biology
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