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https://www.readbyqxmd.com/read/29244870/human-hepatic-lipase-overexpression-in-mice-induces-hepatic-steatosis-and-obesity-through-promoting-hepatic-lipogenesis-and-white-adipose-tissue-lipolysis-and-fatty-acid-uptake
#1
Lídia Cedó, David Santos, Núria Roglans, Josep Julve, Victor Pallarès, Andrea Rivas-Urbina, Vicenta Llorente-Cortes, Joan Carles Laguna, Francisco Blanco-Vaca, Joan Carles Escolà-Gil
Human hepatic lipase (hHL) is mainly localized on the hepatocyte cell surface where it hydrolyzes lipids from remnant lipoproteins and high density lipoproteins and promotes their hepatic selective uptake. Furthermore, hepatic lipase (HL) is closely associated with obesity in multiple studies. Therefore, HL may play a key role on lipid homeostasis in liver and white adipose tissue (WAT). In the present study, we aimed to evaluate the effects of hHL expression on hepatic and white adipose triglyceride metabolism in vivo...
2017: PloS One
https://www.readbyqxmd.com/read/29244860/lithium-reduces-blood-glucose-levels-but-aggravates-albuminuria-in-btbr-ob-ob-mice
#2
Theun de Groot, Lars Damen, Leanne Kosse, Mohammad Alsady, Rosalinda Doty, Ruben Baumgarten, Susan Sheehan, Johan van der Vlag, Ron Korstanje, Peter M T Deen
Glycogen synthase kinase 3 (GSK3) plays an important role in the development of diabetes mellitus and renal injury. GSK3 inhibition increases glucose uptake in insulin-insensitive muscle and adipose tissue, while it reduces albuminuria and glomerulosclerosis in acute kidney injury. The effect of chronic GSK3 inhibition in diabetic nephropathy is not known. We tested the effect of lithium, the only clinical GSK3 inhibitor, on the development of diabetes mellitus and kidney injury in a mouse model of diabetic nephropathy...
2017: PloS One
https://www.readbyqxmd.com/read/29243809/obesity-induced-mitochondrial-dysfunction-in-porcine-adipose-tissue-derived-mesenchymal-stem-cells
#3
Yu Meng, Alfonso Eirin, Xiang-Yang Zhu, Hui Tang, Pritha Chanana, Amir Lerman, Andre J van Wijnen, Lilach O Lerman
BACKGROUND: Transplantation of autologous mesenchymal stem cells (MSCs) may be a viable option for treatment of several diseases. MSCs efficacy depends on adequate function of their mitochondria, which might be impaired in a noxious milieu. OBJECTIVES: We hypothesized that obesity compromises MSCs mitochondrial structure and function, possibly via micro-RNA (miRNA)-based mechanisms. METHODS: MSCs were collected from swine abdominal adipose tissue after 16 weeks of Lean or Obese diet (n = 7 each)...
December 15, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29243770/adipose-derived-stem-cells-in-articular-cartilage-regeneration-current-concepts-and-optimization-strategies
#4
REVIEW
Xingjian Gu, Caixin Li, Feng Yin, Guanghua Yang
Knee osteoarthritis (KOA) is the most common progressive joint disorder associated with disability in the world. As a chronic disease, KOA has multifactorial etiology. However, the poor self-healing ability of the articular cartilage due to its intrinsic tissue hypovascularity and hypocellularity seems to be directly incriminated in the physio-pathological mechanism of KOA. While conventional therapies result in unfavorable clinical outcomes, regenerative cell therapies have shown great promise in articular cartilage regeneration...
December 15, 2017: Histology and Histopathology
https://www.readbyqxmd.com/read/29243339/causes-and-mechanisms-of-adipocyte-enlargement-and-adipose-expansion
#5
REVIEW
F Haczeyni, K S Bell-Anderson, G C Farrell
Adipose tissue plays a significant role in whole body energy homeostasis. Obesity-associated diabetes, fatty liver and metabolic syndrome are closely linked to adipose stress and dysfunction. Genetic predisposition, overeating and physical inactivity influence the expansion of adipose tissues. Under conditions of constant energy surplus, adipocytes become hypertrophic and adipose tissues undergo hyperplasia so as to increase their lipid storage capacity, thereby keeping circulating blood glucose and fatty acids below toxic levels...
December 15, 2017: Obesity Reviews: An Official Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/29243283/intra-articular-injection-of-autologous-adipose-derived-mesenchymal-stem-cells-in-treatment-of-knee-osteoarthritis
#6
Duško Spasovski, Vesna Spasovski, Zoran Baščarević, Maja Stojiljković, Miša Vreća, Marina Andjelković, Sonja Pavlović
BACKGROUND: Osteoarthritis (OA) is a chronic degenerative joint disease, considered to be the fourth leading cause of disability and the second cause of inability to work in men. Recently, adipose derived mesenchymal stem cells (AD-MSCs) came in focus of regenerative medicine as promising tool for treatment of OA. It has been shown that administration of stem cells into impaired joints results in pain relief and improves quality of life, accompanied with restoration of hyaline articular cartilage...
December 15, 2017: Journal of Gene Medicine
https://www.readbyqxmd.com/read/29243229/mirabegron-potential-off-target-effects-and-uses-beyond-the-bladder
#7
REVIEW
Nodi Dehvari, Edilson Dantas da Silva Junior, Tore Bengtsson, Dana S Hutchinson
The ®3 -adrenoceptor was initially an attractive target by several pharmaceutical companies due to its high expression in rodent adipose tissue, where its activation resulted in decreased adiposity and improved metabolic outputs (such as glucose handling) in animal models of obesity and type 2 diabetes. However, several drugs acting at the β3 -adrenoceptor failed in clinical trials. This was thought to be due to their lack of efficacy at the human receptor. Recently mirabegron, a ®3 -adrenoceptor agonist with human efficacy, was approved in North America, Europe, Japan and Australia for the treatment of overactive bladder syndrome...
December 15, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/29242797/lipoma-arborescens-eyes-see-what-mind-knows
#8
Himanshu Gurunath Kulkarni, Gurunath S Kulkarni, Prakash G Kulkarni
Introduction: Lipoma arborescens is a rare lesion, benign in nature and was first described in detail in 1957. <200 cases have been reported in the literature by now. It consists of subsynovial villous proliferation of mature fat cells. Since the incidence of the condition is very rare, definite etiology has not established. Arthroscopic or open synovectomy has been the treatment of choice of the lesion. Case Report: We present you a case of lipomatosis arborescens of the right knee in a 28-year-old male...
September 2017: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/29242563/ck2-modulates-adipocyte-insulin-signaling-and-is-up-regulated-in-human-obesity
#9
Christian Borgo, Gabriella Milan, Francesca Favaretto, Fabio Stasi, Roberto Fabris, Valentina Salizzato, Luca Cesaro, Anna Belligoli, Marta Sanna, Mirto Foletto, Luca Prevedello, Vincenzo Vindigni, Romeo Bardini, Arianna Donella-Deana, Roberto Vettor
Insulin plays a major role in glucose metabolism and insulin-signaling defects are present in obesity and diabetes. CK2 is a pleiotropic protein kinase implicated in fundamental cellular pathways and abnormally elevated in tumors. Here we report that in human and murine adipocytes CK2-inhibition decreases the insulin-induced glucose-uptake by counteracting Akt-signaling and GLUT4-translocation to the plasma membrane. In mice CK2 acts on insulin-signaling in adipose tissue, liver and skeletal muscle and its acute inhibition impairs glucose tolerance...
December 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29242410/adiposity-and-cortisol-response-to-stress-in-indian-adolescents
#10
G V Krishnaveni, A Jones, S R Veena, R Somashekara, S C Karat, C H D Fall
OBJECTIVE: Greater adiposity is a risk factor for altered hypothalamic-pituitary-adrenal axis reactivity to stress. We examined associations of different adiposity measures with cortisol responses during the Trier Social Stress Test for children (TSST-C). DESIGN: Cohort study. SETTING: Holdsworth Memorial Hospital, Mysore, India. PARTICIPANTS: Adolescents aged 13.5y from a birth cohort were recruited (N=269, 133 boys)...
December 14, 2017: Indian Pediatrics
https://www.readbyqxmd.com/read/29242277/endoplasmic-reticulum-chaperone-grp78-regulates-macrophage-function-and-insulin-resistance-in-diet-induced-obesity
#11
Jong Hun Kim, Eunjung Lee, Randall H Friedline, Sujin Suk, Dae Young Jung, Sezin Dagdeviren, Xiaodi Hu, Kunikazu Inashima, Hye Lim Noh, Jung Yeon Kwon, Aya Nambu, Jun R Huh, Myoung Sook Han, Roger J Davis, Amy S Lee, Ki Won Lee, Jason K Kim
Obesity-mediated inflammation is a major cause of insulin resistance, and macrophages play an important role in this process. The 78-kDa glucose-regulated protein (GRP78) is a major endoplasmic reticulum chaperone that modulates unfolded protein response (UPR), and mice with GRP78 heterozygosity were resistant to diet-induced obesity. Here, we show that mice with macrophage-selective ablation of GRP78 (Lyz-GRP78-/-) are protected from skeletal muscle insulin resistance without changes in obesity compared with wild-type mice after 9 wk of high-fat diet...
December 14, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/29242055/late-disseminated-lyme-disease-associated-pathology-and-spirochete-persistence-post-treatment-in-rhesus-macaques
#12
Nicholas A Crossland, Xavier Alvarez, Monica E Embers
Non-human primates currently serve as the best experimental model for Lyme disease due to their close genetic homology with humans and demonstration of all three phases of disease following infection with Borreliella (Borrelia) burgdorferi (Bb). We investigated the pathology associated with late disseminated Lyme disease (12 to 13 months following tick inoculation) in doxycycline-treated (28 days; 5mg/kg, oral, 2x/day) and untreated rhesus macaques (Rm). Minimal to moderate lymphoplasmacytic inflammation, with a predilection for perivascular spaces and collagenous tissues, was observed in multiple tissues including the cerebral leptomeninges, brainstem, peripheral nerves from both fore and hind limbs, stifle synovium and perisynovial adipose tissue, urinary bladder, skeletal muscle, myocardium, and visceral pericardium...
December 11, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/29241750/historical-perspectives-of-the-metabolic-syndrome
#13
Eiji Oda
The metabolic syndrome (MetS) or insulin resistance syndrome is a constellation of obesity-related metabolic derangements predisposing to type 2 diabetes and cardiovascular disease. In 1998, WHO defined the first criteria of MetS. Three years later, the user-friendly National Cholesterol Education Program criteria of MetS were proposed. Different criteria were issued by the International Diabetes Federation in 2005, making abdominal obesity a necessary component. Several international societies, including The International Diabetes Federation, jointly adopted the revised National Cholesterol Education Program criteria as harmonizing criteria of MetS in 2009...
January 2018: Clinics in Dermatology
https://www.readbyqxmd.com/read/29241656/adipose-derived-stem-cells-decrease-pain-in-a-rat-model-of-oxaliplatin-induced-neuropathy-role-of-vegf-a-modulation
#14
Lorenzo Di Cesare Mannelli, Barbara Tenci, Laura Micheli, Alessia Vona, Francesca Corti, Matteo Zanardelli, Andrea Lapucci, Ann Maria Clemente, Paola Failli, Carla Ghelardini
Oxaliplatin therapy of colorectal cancer induces a dose-dependent neuropathic syndrome in 50% of patients. Pharmacological treatments may offer limited relief; scientific efforts are needed for new therapeutic approaches. Therefore we evaluated in a preclinical setting the pain relieving properties of mesenchymal stem cells and its secretome. Rat adipose stem cells (rASCs) were administered in a rat model of oxaliplatin-induced neuropathy. A single intravenous injection of rASCs reduced oxaliplatin-dependent mechanical hypersensitivity to noxious and non-noxious stimuli taking effect 1 h after administration, peaking 6 h thereafter and lasting 5 days...
December 11, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/29241577/caulerpa-okamurae-extract-inhibits-adipogenesis-in-3t3-l1-adipocytes-and-prevents-high-fat-diet-induced-obesity-in-c57bl-6-mice
#15
Bhesh Raj Sharma, Hyun Jung Kim, Min Suk Kim, Chul Min Park, Dong Young Rhyu
Seaweeds are considered a potential source of antiobesity agents. Because Caulerpa, a seaweed, has been consumed for food in Japan, China, South Korea, and Australia, we hypothesized that Caulerpa okamurae may have antiobesity effects in an animal model of high-fat diet (HFD)-induced obesity in C57BL/6 mice. Herein, we found that the ethanolic extract of C okamurae (COE) significantly inhibited lipid accumulation and reduced the expression of the master regulator of adipogenesis, peroxisome proliferator-activated receptor-γ, sterol regulatory element binding protein-1c, and CCAAT/enhancer-binding protein-α in 3T3-L1 adipocytes...
November 2017: Nutrition Research
https://www.readbyqxmd.com/read/29241541/adipose-klf15-controls-lipid-handling-to-adapt-to-nutrient-availability
#16
Keiichiro Matoba, Yuan Lu, Rongli Zhang, Eric R Chen, Panjamaporn Sangwung, Benlian Wang, Domenick A Prosdocimo, Mukesh K Jain
Adipose tissue stores energy in the form of triglycerides. The ability to regulate triglyceride synthesis and breakdown based on nutrient status (e.g., fed versus fasted) is critical for physiological homeostasis and dysregulation of this process can contribute to metabolic disease. Whereas much is known about hormonal control of this cycle, transcriptional regulation is not well understood. Here, we show that the transcription factor Kruppel-like factor 15 (KLF15) is critical for the control of adipocyte lipid turnover...
December 12, 2017: Cell Reports
https://www.readbyqxmd.com/read/29241386/modified-risk-associations-of-lipoproteins-and-apolipoproteins-by-chronic-low-grade-inflammation
#17
Altan Onat, Aysem Kaya, Evin Ademoglu
Lipoproteins and the apolipoproteins (apo) that they carry are major determinants of cardiovascular diseases (CVD) as well as metabolic, renal and inflammatory chronic disorders either directly or through mediation of risk factors. The notion that elevated low-density lipoprotein cholesterol (LDL-C) and apoB levels are related to the acquisition of CVD and, high-density lipoprotein cholesterol (HDL-C) and apoA-I indicate protection against CVD has been challenged in the past decade. Advanced age, adiposity, ethnicity or impaired glucose intolerance rendered autoimmune activation in an environment of pro-inflammatory state/oxidative stress and may disrupt the linear risk association between lipoproteins...
December 15, 2017: Expert Review of Cardiovascular Therapy
https://www.readbyqxmd.com/read/29241322/modulatory-effects-of-dietary-supplementation-by-vernonia-amygdalina-on-high-fat-diet-induced-obesity-in-wistar-rats
#18
Chima A Ekeleme-Egedigwe, Ifeoma I Ijeh, Polycarp N Okafor
BACKGROUND: Obesity is a growing public health problem arising from energy imbalance. The effect of 10% dietary incorporation of Vernonia amygdalina (VA) leaves into high-fat diets on some biological markers of adiposity and dyslipidaemia was investigated. METHODS: Experimental diets consisted of the following – CD (control diet); HFD (high-fat diet); and HFD- VA (HFD containing 10% Vernonia amygdalina leaves) supplementation. Fifteen male Wistar rats were randomly divided into three groups of five animals each...
October 2017: Acta Scientiarum Polonorum. Technologia Alimentaria
https://www.readbyqxmd.com/read/29241208/exosomes-from-mir-126-overexpressing-adscs-are-therapeutic-in-relieving-acute-myocardial-ischaemic-injury
#19
Qiancheng Luo, Dongfeng Guo, Guorong Liu, Guo Chen, Min Hang, Mingming Jin
BACKGROUND/AIMS: Recent studies have indicated that exosomes play an important role in adipose-derived stem cell (ADSC) transplant-mediated ischaemic heart disease therapy. However, the treatment effect is not obvious. The aim of this study is to investigate whether ADSC-derived exosomes enriched with microRNA (miR)-126 have a more protective effect on acute myocardial infarction (AMI). METHODS: Exosomes were characterized by transmission electron microscopy, and the exosome particles were further examined using nanoparticle tracking analyses...
December 12, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29241183/leptin-suppresses-glutamate-induced-apoptosis-through-regulation-of-erk1-2-signaling-pathways-in-rat-primary-astrocytes
#20
Hyunju Park, So-Hee Ahn, Yieun Jung, Joo Chun Yoon, Youn-Hee Choi
BACKGROUND/AIMS: Leptin is a hormone expressed by adipose tissue that regulates body energy homeostasis and weight loss by activating leptin receptors in the hypothalamus. Leptin receptors are also expressed in astrocytes. An anti-apoptosis effect of leptin in brain has recently been reported. However, the anti-apoptosis mechanism of leptin in the brain is unknown. METHODS: To investigate whether leptin exerts protective effects against glutamate-induced apoptosis in astrocytes, we performed cell viability assays and apoptosis assays using rat primary astrocytes...
December 12, 2017: Cellular Physiology and Biochemistry
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