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https://www.readbyqxmd.com/read/28340487/microrna-4739-regulates-osteogenic-and-adipocytic-differentiation-of-immortalized-human-bone-marrow-stromal-cells-via-targeting-lrp3
#1
Mona Elsafadi, Muthurangan Manikandan, Nehad M Alajez, Rimi Hamam, Raed Abu Dawud, Abdullah Aldahmash, Zafar Iqbal, Musaad Alfayez, Moustapha Kassem, Amer Mahmood
Understanding the regulatory networks underlying lineage differentiation and fate determination of human bone marrow stromal cells (hBMSC) is a prerequisite for their therapeutic use. The goal of the current study was to unravel the novel role of the low-density lipoprotein receptor-related protein 3 (LRP3) in regulating the osteogenic and adipogenic differentiation of immortalized hBMSCs. Gene expression profiling revealed significantly higher LRP3 levels in the highly osteogenic hBMSC clone imCL1 than in the less osteogenic clone imCL2, as well as a significant upregulation of LRP3 during the osteogenic induction of the imCL1 clone...
March 8, 2017: Stem Cell Research
https://www.readbyqxmd.com/read/28339172/maternal-high-fat-diet-consumption-enhances-offspring-susceptibility-to-dss-induced-colitis-in-mice
#2
Shima Bibi, Yifei Kang, Min Du, Mei-Jun Zhu
OBJECTIVE: Maternal high-fat diet (HFD) may alter the offspring intestinal immune system, thereby enhancing susceptibility toward inflammatory bowel disease. The objective of the current study was to investigate the impact of maternal HFD on offspring intestinal health using a mouse model of dextran sulfate sodium (DSS)-induced colitis. METHODS: Dams were provided with either HFD (60%) or control diet. After weaning, female offspring from both groups were kept on 45% HFD...
March 24, 2017: Obesity
https://www.readbyqxmd.com/read/28338809/resveratrol-derivative-btm-0512-mitigates-obesity-by-promoting-beige-remodeling-of-subcutaneous-preadipocytes
#3
Qingqing Li, Kuansong Wang, Yipeng Ma, Chunxiang Qin, Changsheng Dong, Ping Jin, Yan Wu, Xiaoming Xiong, Niansheng Li, Changping Hu, Jun Peng, Zhichun Yang
Recent studies revealed that sirtuin 1 (SIRT1) is involved in the regulation of energy metabolism and its agonist resveratrol showed anti-obesity effect. This study aims to determine whether BTM-0512, a novel derivative of resveratrol, acts as an antagonist of obesity and to explore its possible mechanisms. High-fat diet (HFD)-induced obese mice were intragastrically administered with BTM-0512 (5, 10, and 20 mg/kg/day) or resveratrol (10 mg/kg/day). It was found that the body weight, Lee's index, ratio of visceral adipose tissue (VAT) to body weight, and blood glucose were significantly reduced in BTM-0512-treated mice when compared with those in mice treated with resveratrol...
February 24, 2017: Acta Biochimica et Biophysica Sinica
https://www.readbyqxmd.com/read/28338763/mesenchymal-stromal-cells-and-autoimmunity
#4
Vito Pistoia, Lizzia Raffaghello
Mesenchymal stromal cells (MSCs) are committed progenitors of mesodermal origin that are found virtually in every organ and exhibit multilineage differentiation into osteocytes, adipocytes and chondrocytes. MSCs also mediate a wide spectrum of immunoregulatory activities that usually dampen innate and adaptive immune responses. These features have attracted interest in the perspective of developing novel cell therapies for autoimmune disease. However, depending on the microenvironmental conditions, MSCs may show a plastic behavior and switch to an immunostimulatory phenotype...
February 18, 2017: International Immunology
https://www.readbyqxmd.com/read/28338661/adipose-tissue-new-route-to-functional-human-beige-adipocytes
#5
David Holmes
No abstract text is available yet for this article.
March 24, 2017: Nature Reviews. Endocrinology
https://www.readbyqxmd.com/read/28338095/the-effect-of-microbial-mats-in-the-decay-of-anurans-with-implications-for-understanding-taphonomic-processes-in-the-fossil-record
#6
M Iniesto, I Villalba, A D Buscalioni, M C Guerrero, A I López-Archilla
The pattern and sequence of the decomposition of the Pipidae African dwarf frog (Hymenochirus boettgeri) is tracked in an experiment with microbial mats in order to explore soft tissue preservation over three years. Frog decay in microbial mats is preceded by rapid entombment (25-30 days) and mediated by the formation of a sarcophagus, which is built by a complex microbial community. The frog carcasses maintained a variety of soft tissues for years. Labile organic structures show greater durability within the mat, cells maintain their general shape (bone marrow cells and adipocytes), and muscles and connective tissues (adipose and fibrous tendons) exhibit their original organic structures...
March 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28337713/the-potential-role-of-fibroblast-growth-factor-21-in-lipid-metabolism-and-hypertension
#7
REVIEW
Zhe Huang, Aimin Xu, Bernard M Y Cheung
Fibroblast growth factor (FGF) 21 belongs to the FGF superfamily that is involved in cell proliferation and differentiation, neural development, angiogenesis, and metabolism. FGF21 requires β-Klotho as a co-receptor. Tissues involved in metabolism such as the liver, adipose tissues, skeletal muscle, and pancreas express FGF21. Starvation increases hepatic expression of FGF21, which then acts centrally to increase hepatic gluconeogenesis. FGF21 also increases fatty acid oxidation. This may be relevant in cold exposure, when expression of FGF21 is induced...
April 2017: Current Hypertension Reports
https://www.readbyqxmd.com/read/28337143/anti-adipogenic-effects-and-mechanisms-of-ginsenoside-rg3-in-pre-adipocytes-and-obese-mice
#8
Longyun Zhang, Lijuan Zhang, Xiaoyong Wang, Hongwei Si
Red or black ginseng has been reported more powerful than white/fresh ginseng in dealing with various diseases/conditions including obesity. The major reason is that heating/steaming, the process of making red or black ginseng, produces large amount of bioactive compounds including ginsenoside Rg3 (Rg3), which are trace in fresh or white ginseng. In the present study, Rg3 was applied both in pre-adipocytes and obese mice to investigate the anti-adipogenic effects and relevant mechanisms. Our results show that Rg3 dose-dependently inhibited cell differentiation both in 3T3-L1 cells (30, 50, and 100 μM) and human primary pre-adipocytes (10, 20, and 30 μM)...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28335087/ursolic-acid-and-mechanisms-of-actions-on-adipose-and-muscle-tissue-a-systematic-review
#9
REVIEW
Carlos K Katashima, Vagner R Silva, Tatyanne L Gomes, Claude Pichard, Gustavo D Pimentel
This systematic review aimed at addressing the ursolic acid actions as an adjunctive treatment of the obesity-mediated metabolic abnormalities. To explore our aims, we used the literature search including clinical and animal studies using the Medline and Google Scholar (up to December 2015). Out of 63 screened studies, 17 presented eligibility criteria, such as the use of ursolic acid on adiposity, energy expenditure and skeletal muscle mass in mice and humans. In the literature, we found that several physiological and molecular mechanisms are implicated in the effects of ursolic acid on obesity, energy expenditure, hepatic steatosis, skeletal muscle mass loss and physical fitness, such as (1) increase of thermogenesis by modulation adipocyte transcription factors, activation of 5' adenosine monophosphate-activated protein kinase and overexpression of the uncoupling protein 1 thermogenic marker; (2) enhancement of skeletal muscle mass by activation in bloodstream growth hormone and insulin-like growth factor-1 concentrations secretion, as well as in the activation of mammalian target of rapamycin and inhibition of ring-finger protein-1; and (3) improvement of physical fitness by skeletal muscle proliferator-activated receptor gamma co-activator alpha and sirtuin 1 expression...
March 23, 2017: Obesity Reviews: An Official Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/28335075/breastmilk-with-a-high-omega-6-to-omega-3-fatty-acid-ratio-induced-cellular-events-similar-to-insulin-resistance-and-obesity-in-3t3-l1-adipocytes
#10
H Vaidya, S K Cheema
BACKGROUND: An imbalance of omega (n)-3 and n-6 polyunsaturated fatty acids (PUFA) during critical periods of development may have adverse effects on the health of the newborn in later life. OBJECTIVES: We hypothesized that breastmilk with higher n-6 to n-3 PUFA ratio will have higher inflammatory cytokines and initiate cellular events similar to insulin resistance and obesity. METHODS: Breastmilk was collected from healthy women who gave natural birth at full term...
March 23, 2017: Pediatric Obesity
https://www.readbyqxmd.com/read/28334807/allele-specific-quantitative-proteomics-unravels-molecular-mechanisms-modulated-by-cis-regulatory-pparg-locus-variation
#11
Heekyoung Lee, Kun Qian, Christine von Toerne, Lena Hoerburger, Melina Claussnitzer, Christoph Hoffmann, Viktoria Glunk, Simone Wahl, Michaela Breier, Franziska Eck, Leili Jafari, Sophie Molnos, Harald Grallert, Ingrid Dahlman, Peter Arner, Cornelia Brunner, Hans Hauner, Stefanie M Hauck, Helmut Laumen
Genome-wide association studies identified numerous disease risk loci. Delineating molecular mechanisms influenced by cis-regulatory variants is essential to understand gene regulation and ultimately disease pathophysiology. Combining bioinformatics and public domain chromatin information with quantitative proteomics supports prediction of cis-regulatory variants and enabled identification of allele-dependent binding of both, transcription factors and coregulators at the type 2 diabetes associated PPARG locus...
February 22, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28334683/combined-metformin-and-insulin-treatment-reverses-metabolically-impaired-omental-adipogenesis-and-accumulation-of-4-hydroxynonenal-in-obese-diabetic-patients
#12
Morana Jaganjac, Shamma Almuraikhy, Fatima Al-Khelaifi, Mashael Al-Jaber, Moataz Bashah, Nayef A Mazloum, Kamelija Zarkovic, Neven Zarkovic, Georg Waeg, Wael Kafienah, Mohamed A Elrayess
OBJECTIVE: Obesity-associated impaired fat accumulation in the visceral adipose tissue can lead to ectopic fat deposition and increased risk of insulin resistance and type 2 diabetes mellitus (T2DM). This study investigated whether impaired adipogenesis of omental (OM) adipose tissues and elevated 4-hydroxynonenal (4-HNE) accumulation contribute to this process, and if combined metformin and insulin treatment in T2DM patients could rescue this phenotype. METHODS: OM adipose tissues were obtained from forty clinically well characterized obese individuals during weight reduction surgery...
March 16, 2017: Redox Biology
https://www.readbyqxmd.com/read/28333977/transition-into-inflammatory-cancer-associated-adipocytes-in-breast-cancer-microenvironment-requires-microrna-regulatory-mechanism
#13
Jiwoo Lee, Bok Sil Hong, Han Suk Ryu, Han-Byoel Lee, Minju Lee, In Ae Park, Jisun Kim, Wonshik Han, Dong-Young Noh, Hyeong-Gon Moon
The role of adipocytes in cancer microenvironment has gained focus during the recent years. However, the characteristics of the cancer-associated adipocytes (CAA) in human breast cancer tissues and the underlying regulatory mechanism are not clearly understood. We reviewed pathology specimens of breast cancer patients to understand the morphologic characteristics of CAA, and profiled the mRNA and miRNA expression of CAA by using indirect co-culture system in vitro. The CAAs in human breast cancers showed heterogeneous topographic relationship with breast cancer cells within the breast microenvironment...
2017: PloS One
https://www.readbyqxmd.com/read/28333970/-epicatechin-3-o-%C3%AE-d-allopyranoside-from-davallia-formosana-prevents-diabetes-and-dyslipidemia-in-streptozotocin-induced-diabetic-mice
#14
Cheng-Hsiu Lin, Jin-Bin Wu, Jia-Ying Jian, Chun-Ching Shih
The objective of this study was to evaluate the effects and molecular mechanism of (-)-epicatechin-3-O-β-D-allopyranoside from Davallia formosana (BB) (also known as Gu-Sui-Bu) on type 1 diabetes mellitus and dyslipidemia in streptozotocin (STZ)-induced diabetic mice. This plant was demonstrated to display antioxidant activities and possess polyphenol contents. Diabetic mice were randomly divided into six groups and were given daily oral gavage doses of either BB (at three dosage levels), metformin (Metf) (at 0...
2017: PloS One
https://www.readbyqxmd.com/read/28333384/transcriptional-regulation-of-adipogenesis
#15
Paula Mota de Sá, Allison J Richard, Hardy Hang, Jacqueline M Stephens
Adipocytes are the defining cell type of adipose tissue. Once considered a passive participant in energy storage, adipose tissue is now recognized as a dynamic organ that contributes to several important physiological processes, such as lipid metabolism, systemic energy homeostasis, and whole-body insulin sensitivity. Therefore, understanding the mechanisms involved in its development and function is of great importance. Adipocyte differentiation is a highly orchestrated process which can vary between different fat depots as well as between the sexes...
March 16, 2017: Comprehensive Physiology
https://www.readbyqxmd.com/read/28333377/circadian-rhythms-in-adipose-tissue-physiology
#16
Jana-Thabea Kiehn, Anthony H Tsang, Isabel Heyde, Brinja Leinweber, Isa Kolbe, Alexei Leliavski, Anthony H Tsang
The different types of adipose tissues fulfill a wide range of biological functions-from energy storage to hormone secretion and thermogenesis-many of which show pronounced variations over the course of the day. Such 24-h rhythms in physiology and behavior are coordinated by endogenous circadian clocks found in all tissues and cells, including adipocytes. At the molecular level, these clocks are based on interlocked transcriptional-translational feedback loops comprised of a set of clock genes/proteins. Tissue-specific clock-controlled transcriptional programs translate time-of-day information into physiologically relevant signals...
March 16, 2017: Comprehensive Physiology
https://www.readbyqxmd.com/read/28333098/anti-obesity-and-anti-diabetic-effect-of-neoagarooligosaccharides-on-high-fat-diet-induced-obesity-in-mice
#17
Sun Joo Hong, Je-Hyeon Lee, Eun Joo Kim, Hea Jung Yang, Jae-Seon Park, Soon-Kwang Hong
Neoagarooligosaccharides (NAOs), mainly comprising neoagarotetraose and neoagarohexaose, were prepared by hydrolyzing agar with β-agarase DagA from Streptomyces coelicolor, and the anti-obesity and anti-diabetic effects of NAOs on high-fat diet (HFD)-induced obesity in mice were investigated after NAOs-supplementation for 64 days. Compared to the HFD group, the HFD-0.5 group that was fed with HFD + NAOs (0.5%, w/w) showed remarkable reduction of 36% for body weight gain and 37% for food efficiency ratios without abnormal clinical signs...
March 23, 2017: Marine Drugs
https://www.readbyqxmd.com/read/28332893/monascus-ruber-fermented-buckwheat-red-yeast-buckwheat-suppresses-adipogenesis-in-3t3-l1-cells
#18
Heeok Hong, Jiyoung Park, Wenchie L Lumbera, Seong Gu Hwang
Although various treatments have been used for weight loss to date, obese people rarely have safe and effective treatment options. Therefore, the antiobesity effects of several natural compounds are being actively investigated. This study was conducted to investigate the antiadipogenic effects of Monascus ruber-fermented Fagopyrum esculentum (red yeast buckwheat, RYB) in 3T3-L1 cells. We assessed the intracellular lipid content and adipocyte differentiation by oil red O staining and the expression of genes and proteins associated with adipocyte differentiation by reverse transcription-polymerase chain reaction and western blotting in 3T3-L1 cells...
March 23, 2017: Journal of Medicinal Food
https://www.readbyqxmd.com/read/28332185/mechanism-of-prolactin-inhibition-of-mir-135b-via-methylation-in-goat-mammary-epithelial-cells
#19
Zhi Chen, Jun Luo, ChangHui Zhang, Yue Ma, Shuang Sun, Tianyin Zhang, Juan J Loor
Prolactin is an important endocrine activator of lactogenesis. This study investigated the function and mechanism of miR-135b in the enhancement of lactation by prolactin in goat mammary epithelial tissue. We utilized S-Poly (T) sequencing to evaluate changes in gene regulation in the goat mammary gland after incubation with 2.5 ug/ml prolactin and 2.5 ug/ml IGF-1 by examining highly expressed miRNAs during early-lactation and late-lactation. The results illustrated that miR-135b is highly expressed in the goat mammary gland during early-lactation and late-lactation, and also after treatment with 2...
March 23, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28331816/inhibition-of-fat-cell-differentiation-in-3t3-l1-pre-adipocytes-by-all-trans-retinoic-acid-integrative-analysis-of-transcriptomic-and-phenotypic-data
#20
Katharina Stoecker, Steffen Sass, Fabian J Theis, Hans Hauner, Michael W Pfaffl
The process of adipogenesis is controlled in a highly orchestrated manner, including transcriptional and post-transcriptional events. In developing 3T3-L1 pre-adipocytes, this program can be interrupted by all-trans retinoic acid (ATRA). To examine this inhibiting impact by ATRA, we generated large-scale transcriptomic data on the microRNA and mRNA level. Non-coding RNAs such as microRNAs represent a field in RNA turnover, which is very important for understanding the regulation of mRNA gene expression. High throughput mRNA and microRNA expression profiling was performed using mRNA hybridisation microarray technology and multiplexed expression assay for microRNA quantification...
March 2017: Biomolecular Detection and Quantification
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