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Adipose tissue

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https://www.readbyqxmd.com/read/28748857/effect-of-high-fat-diet-induced-disorders-on-rat-with-endometrial-hyperplasia-and-adiponectin-system-in-circulation-and-uterus
#1
Chen-Guang Shang, Zhao-Hui Liu, Xiao-Hui Wang, Zong-Hao Feng, Yan Zhang
BACKGROUND: Epidemiologic and genetic studies suggest a link between insulin resistance (IR) and endometrial cancer, and endometrial hyperplasia (EH) is a precancerous stage of endometrial cancer. Adiponectin is an adipokine which previously shown to be a risk factor for endometrial cancer. The aim of the study was to develop a rat model of IR and EH and evaluate adiponectin system in circulation and uterus. METHODS: This study was a 46-week animal trial from February 2014 to January 2015...
August 5, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28748665/cd4-cell-infiltration-into-subcutaneous-adipose-tissue-is-not-indicative-of-productively-infected-cells-during-acute-shiv-infection
#2
Denise C Hsu, Matthew D Wegner, Piyanate Sunyakumthorn, Decha Silsorn, Sujitra Tayamun, Dutsadee Inthawong, Yanin Kuncharin, Rawiwan Im-Erbsin, Christine Ege, Robert J O'Connell, Nelson L Michael, Lishomwa C Ndhlovu, Sandhya Vasan
Limited longitudinal data exist on the effect of HIV on adipose tissue (AT). We found an increase in CD4+ cells and detectable SHIV-RNA in AT during acute SHIV infection. SHIV-RNA+ cells were rare, suggesting that AT is unlikely to be a major source of productively infected cells in SHIV infection.
August 2017: Journal of Medical Primatology
https://www.readbyqxmd.com/read/28747982/comparative-study-of-fatty-liver-induced-by-methionine-and-choline-deficiency-in-c57bl-6n-mice-originating-from-three-different-sources
#3
Sou Hyun Kim, Yong Lim, Ju Bin Park, Jae-Hwan Kwak, Keuk-Jun Kim, Joung-Hee Kim, HyunKeun Song, Joon Young Cho, Dae Youn Hwang, Kil Soo Kim, Young-Suk Jung
Non-alcoholic fatty liver disease (NAFLD) is believed to be the most prevalent liver disease worldwide and a major cause of chronic liver injury. It is characterized by lipid accumulation in the absence of significant alcohol consumption and frequently progresses to steatohepatitis, liver fibrosis, and hepatocellular carcinoma. Although many studies have been conducted to better understand NAFLD since it was first recognized, there are still many gaps in knowledge of etiology, prognosis, prevention and treatment...
June 2017: Laboratory Animal Research
https://www.readbyqxmd.com/read/28747980/comparative-analysis-of-basal-locomotor-activity-related-metabolic-phenotypes-between-c57bl-6-mice-and-icr-mice-substrains-derived-from-three-different-sources
#4
Dong-Ju Hwang, Hyun-Keun Song, Kil-Soo Kim, Young-Suk Jung, Dae-Youn Hwang, Joon Young Cho
Animal model, as an indispensable tool for scientific purposes of biomedical researches and clinical application, is a commonly used in various researches. Regarding to this, it is necessary to establish the metabolic phenotype of animal model to minimize spurious interpretations and ensure a level of accuracy and reliability adequate for experimental research. However, the metabolic phenotype-related analysis within rodent strains derived from different source is nonexistent, especially in C57BL/6Korl mice and Korl:ICR mice (a domestic mouse strain)...
June 2017: Laboratory Animal Research
https://www.readbyqxmd.com/read/28747869/effect-of-dietary-copper-addition-on-lipid-metabolism-in-rabbits
#5
Liu Lei, Sui Xiaoyi, Li Fuchang
The present study was conducted to investigate the effect of copper supplementation on lipid metabolism in rabbits. Our study showed dietary copper addition (5-45 mg/kg) increased body mass gain, but decreased fat and liver weights compared with those in the control group (P < 0.05). Copper (45 mg/kg) addition significantly increased the skeletal muscle weight, but inhibited cytoplasmic lipid accumulation in liver, skeletal muscle and adipose tissue (P < 0.05). Compared with the control group, dietary copper addition (45 mg/kg) significantly increased plasma triglyceride levels but decreased very low density lipoprotein levels (P < 0...
2017: Food & Nutrition Research
https://www.readbyqxmd.com/read/28747790/involvement-of-the-leptin-adiponectin-axis-in-inflammation-and-oxidative-stress-in-the-metabolic-syndrome
#6
Gema Frühbeck, Victoria Catalán, Amaia Rodríguez, Beatriz Ramírez, Sara Becerril, Javier Salvador, Piero Portincasa, Inmaculada Colina, Javier Gómez-Ambrosi
The aim of the present work was to study whether the leptin-adiponectin axis may have a pathophysiological role in the increased systemic inflammation and oxidative stress observed in patients with the metabolic syndrome (MS). Leptin, adiponectin, and markers of inflammation and oxidative stress were measured in a sample of 140 Caucasian subjects (74 males/66 females), aged 28-82 years, 60 with and 80 without the MS. Total concentrations of adiponectin as well as its multimeric forms HMW, MMW and LMW were significantly lower in individuals with the MS...
July 26, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28747768/controlling-adult-stem-cell-behavior-using-nanodiamond-reinforced-hydrogel-implication-in-bone-regeneration-therapy
#7
Settimio Pacelli, Ryan Maloney, Aparna R Chakravarti, Jonathan Whitlow, Sayantani Basu, Saman Modaresi, Stevin Gehrke, Arghya Paul
Nanodiamonds (NDs) have attracted considerable attention as drug delivery nanocarriers due to their low cytotoxicity and facile surface functionalization. Given these features, NDs have been recently investigated for the fabrication of nanocomposite hydrogels for tissue engineering. Here we report the synthesis of a hydrogel using photocrosslinkable gelatin methacrylamide (GelMA) and NDs as a three-dimensional scaffold for drug delivery and stem cell-guided bone regeneration. We investigated the effect of different concentration of NDs on the physical and mechanical properties of the GelMA hydrogel network...
July 26, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28747725/echinomycin-inhibits-adipogenesis-in-3t3-l1-cells-in-a-hif-independent-manner
#8
Junna Yamaguchi, Tetsuhiro Tanaka, Hisako Saito, Seitaro Nomura, Hiroyuki Aburatani, Hironori Waki, Takashi Kadowaki, Masaomi Nangaku
Obesity is a risk factor for many diseases including diabetes, cancer, cardiovascular disease, and chronic kidney disease. Obesity is characterized by the expansion of white adipose tissue (WAT). Hypertrophy and hyperplasia of adipocytes cause tissue hypoxia followed by inflammation and fibrosis. Its trigger, preadipocyte differentiation into mature adipocytes, is finely regulated by transcription factors, signal molecules, and cofactors. We found that echinomycin, a potent HIF-1 inhibitor, completely inhibited adipogenesis in 3T3-L1 WAT preadipocytes by affecting the early phase of mitotic clonal expansion...
July 26, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28747541/obesity-a-serious-etiologic-factor-for-male-subfertility-in-modern-society
#9
Yue Liu, Zhide Ding
Obesity, defined as excessive accumulation of fat in adipose tissue, is a metabolic disorder resulting from behavioral, environmental and heritable causes. Such malfunction increases the risk of developing hypertension, diabetes, cardiovascular disease, respiratory problems, osteoarthritis and cancer. Meanwhile, the negative impact of obesity on male reproduction is gradually being recognized. According to clinical investigations and animal experiments, obesity is correlated with reductions in sperm concentration and motility, increases in sperm DNA damage and changes in reproductive hormonal levels...
July 26, 2017: Reproduction: the Official Journal of the Society for the Study of Fertility
https://www.readbyqxmd.com/read/28747407/chronic-hindbrain-administration-of-oxytocin-is-sufficient-to-elicit-weight-loss-in-diet-induced-obese-rats
#10
Zachary S Roberts, Tami H Wolden-Hanson, Miles E Matsen, Vitaly Ryu, Cheryl H Vaughan, James L Graham, Peter J Havel, Daniel Wahieb Chukri, Michael W Schwartz, Gregory J Morton, James E Blevins
Oxytocin (OT) administration elicits weight loss in diet-induced obese (DIO) rodents, nonhuman primates and humans by both reducing energy intake and increasing energy expenditure (EE). Although the neurocircuitry underlying these effects remains uncertain, OT neurons in the paraventricular nucleus are positioned to control both energy intake and sympathetic nervous system outflow to interscapular brown adipose tissue (IBAT) through projections to both the hindbrain nucleus of the solitary tract and spinal cord...
July 26, 2017: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
https://www.readbyqxmd.com/read/28747398/a-durable-and-biocompatible-ascorbic-acid-based-covalent-coating-method-of-polydimethylsiloxane-for-dynamic-cell-culture
#11
Joni Leivo, Sanni Virjula, Sari Vanhatupa, Kimmo Kartasalo, Joose Kreutzer, Susanna Miettinen, Pasi Kallio
Polydimethylsiloxane (PDMS) is widely used in dynamic biological microfluidic applications. As a highly hydrophobic material, native PDMS does not support cell attachment and culture, especially in dynamic conditions. Previous covalent coating methods use glutaraldehyde (GA) which, however, is cytotoxic. This paper introduces a novel and simple method for binding collagen type I covalently on PDMS using ascorbic acid (AA) as a cross-linker instead of GA. We compare the novel method against physisorption and GA cross-linker-based methods...
July 2017: Journal of the Royal Society, Interface
https://www.readbyqxmd.com/read/28747220/a-novel-hand-assisted-laparoscopic-versus-conventional-laparoscopic-right-hemicolectomy-for-right-colon-cancer-study-protocol-for-a-randomized-controlled-trial
#12
Xuyang Yang, Qingbin Wu, Chengwu Jin, Wanbin He, Meng Wang, Tinghan Yang, Mingtian Wei, Xiangbing Deng, Wenjian Meng, Ziqiang Wang
BACKGROUND: Although conventional laparoscopic and hand-assisted laparoscopic surgery for colorectal cancer is widely used today, there remain many technical challenges especially for right colon cancer in obese patients. Herein, we develop a novel hand-assisted laparoscopic surgery (HALS) with complete mesocolic excision (CME), D3 lymphadenectomy, and a total "no-touch" isolation technique (HALS-CME) in right hemicolectomy to overcome these issues. According to previous clinic practice, this novel procedure is not only feasible and safe but has several technical merits...
July 26, 2017: Trials
https://www.readbyqxmd.com/read/28747130/body-composition-predictors-of-therapy-response-in-patients-with-primary-extremity-soft-tissue-sarcomas
#13
Karen De Amorim Bernstein, Stijn A Bos, Joyce Veld, Santiago A Lozano-Calderon, Martin Torriani, Miriam A Bredella
Background Recent studies have suggested that the quantity and quality of adipose tissue and muscle, assessed on non-contrast computed tomography (CT), may serve as imaging biomarkers of survival in patients with and without neoplasms. Purpose To assess body composition measures that could serve as predictors of therapy response in patients with extremity soft tissue sarcomas treated with radiation therapy and surgery. Material and Methods The study was IRB-approved. Sixty patients had a history of extremity soft tissue sarcoma and underwent FDG-PET/CT prior to radiation therapy and surgical resection...
January 1, 2017: Acta Radiologica
https://www.readbyqxmd.com/read/28747014/micrornas-and-adipocytokines-promising-biomarkers-for-pharmacological-targets-in-diabetes-mellitus-and-its-complications
#14
REVIEW
Mohamad Reza Ashoori, Mohammad Rahmati-Yamchi, Alireza Ostadrahimi, Sedigheh Fekri Aval, Nosratollah Zarghami
Nowadays, diabetes mellitus (DM) along with its complications is considered as a fundamental problem in both developing and industrial countries, and is causing millions of people to suffer worldwide. Currently, diabetes mellitus is diagnosed traditionally or classically in the world by measuring fasting blood glucose and conducting oral glucose tolerance test. New alternatives are required for the treatment of diabetes mellitus, especially type 2 diabetes mellitus (T2DM), at its early levels due to the ineffective control of its development in patients...
July 22, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28746927/autologous-adipose-tissue-graft-to-treat-hypertensive-leg-ulcer-a-pilot-study
#15
M Chopinaud, D Labbé, C Creveuil, M Marc, H Bénateau, B Mourgeon, E Chopinaud, A Veyssière, A Dompmartin
BACKGROUND: Adipose tissue is an abundant source of mesenchymal stem cells, called adipose-derived stem cells, which have anti-inflammatory and trophic effects to enhance overall tissue repair. OBJECTIVE: To determine the healing effects of autologous adipose tissue graft on hypertensive leg ulcers. METHODS: Prospective pilot study in 1 French dermatology department. Ten patients with a hypertensive leg ulcer were enrolled from April 2013 to June 2015...
July 27, 2017: Dermatology: International Journal for Clinical and Investigative Dermatology
https://www.readbyqxmd.com/read/28746869/cytosolic-pellino-1-mediated-k63-linked-ubiquitination-of-irf5-in-m1-macrophages-regulates-glucose-intolerance-in-obesity
#16
Donghyun Kim, Ho Lee, Jaemoon Koh, Jae Sung Ko, Bo Ruem Yoon, Yoon Kyung Jeon, Young Min Cho, Tae Han Kim, Yun-Suhk Suh, Hyuk-Joon Lee, Han-Kwang Yang, Kyong Soo Park, Hye Young Kim, Chang Woo Lee, Won-Woo Lee, Doo Hyun Chung
IRF5 is a signature transcription factor that induces M1 macrophage polarization. However, little is known regarding cytosolic proteins that induce IRF5 activation for M1 polarization. Here, we report the interaction between ubiquitin E3 ligase Pellino-1 and IRF5 in the cytoplasm, which increased nuclear translocation of IRF5 by K63-linked ubiquitination in human and mouse M1 macrophages. LPS and/or IFN-γ increased Pellino-1 expression, and M1 polarization was attenuated in Pellino-1-deficient macrophages in vitro and in vivo...
July 25, 2017: Cell Reports
https://www.readbyqxmd.com/read/28746812/intra-articular-injection-of-mesenchymal-stem-cells-for-the-treatment-of-osteoarthritis-of-the-knee-a-2-year-follow-up-study
#17
Chris Hyunchul Jo, Jee Won Chai, Eui Cheol Jeong, Sohee Oh, Ji Sun Shin, Hackjoon Shim, Kang Sup Yoon
BACKGROUND: The intra-articular injection of mesenchymal stem cells (MSCs) into the knee has shown a potential for the treatment of generalized cartilage loss in osteoarthritis (OA). However, there have been few midterm reports with clinical and structural outcomes. PURPOSE: To assess the midterm safety and efficacy of an intra-articular injection of autologous adipose tissue-derived (AD) MSCs for knee OA at 2-year follow-up. STUDY DESIGN: Cohort study; Level of evidence, 3...
July 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28746277/auricular-tissue-engineering-using-osteogenic-differentiation-of-adipose-stem-cells-with-small-intestine-submucosa
#18
Chih-Hsun Lin, I-Chen Yang, Chi-Han Tsai, Hsu-Wei Fang, Hsu Ma
BACKGROUND: Ear reconstruction remains a challenge for plastic surgeons. A tissue-engineering approach could provide another route for obtaining shape maintenance in neoauricular tissue. METHODS: The authors designed a novel tissue-engineering auricular construct by culturing human adipose stem cells, which differentiated into osteocytes but not chondrocytes, in small intestine submucosa scaffolds. The authors evaluated cell growth potential and mechanical properties...
August 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28745800/experimental-study-on-repairing-skin-defect-by-tissue-engineered-skin-substitute-compositely-constructed-by-adipose-derived-stem-cells-and-fibrin-gel
#19
R-X Zeng, J-Y He, Y-L Zhang, X-X Liu, Y Zhang, Q Tang
OBJECTIVE: To study the application value of artificial skin substitute compositely constructed by adipose-derived stem cells and fibrin gel in skin defect. MATERIALS AND METHODS: Adipose-derived stem cells (ADSCs) were obtained from healthy pure green fluorescent protein (GFP) transgenic mice and were proved to have multiple differentiation potentials. They compositely constructed artificial skin substitute in vitro with fibrin gel. 24 SD rats of either gender, with the gestational age of 3-5 weeks, were divided into four groups in the experiment, namely model group (autologous skin flap transplantation), adipose-derived stem cell transplantation group, fibrin gel transplantation group and compound transplantation group, 6 rats for each group...
July 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28745696/-obesity-related-glomerulopathy-mechanisms-of-development-clinical-course
#20
REVIEW
I M Kutyrina
Obesity and overweight are recognized as epidemics of non-communicable diseases in the 21st century. The kidneys are a target organ for obesity, damage to which is considered to be an independent risk factor for the development of renal failure. Obesity-related glomerulopathy (OGP) is one of the types of renal injury in obesity, which is characterized by the development of proteinuria in patients with a body mass index (BMI) of >30 kg/m2 in the absence of other causes of kidney damage. The pathogenesis of OGP is multifactorial...
2017: Terapevticheskiĭ Arkhiv
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