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https://www.readbyqxmd.com/read/28446012/differentiation-potential-of-mesenchymal-stem-cells-is-related-to-their-intrinsic-mechanical-properties
#1
Ihn Han, Byung-Su Kwon, Hun-Kuk Park, Kyung Sook Kim
PURPOSE: The differentiation properties of stem cells are not yet fully understood due to their close association with multiple environmental and extrinsic factors. This study investigates the differentiation properties of mesenchymal stem cells (MSCs) and correlates them with their intrinsic mechanical properties. METHODS: A total of 3 different types of MSCs, namely bone marrow-derived MSCs (BMSCs), umbilical cord-derived MSCs (UCSCs), and adipose-derived MSCs (ADSCs) were evaluated...
April 2017: International Neurourology Journal
https://www.readbyqxmd.com/read/28446003/effects-of-canine-and-murine-mesenchymal-stromal-cell-transplantation-on-peripheral-nerve-regeneration
#2
Diego Noe Rodriguez Sanchez, Matheus Bertanha, Thiago Dias Fernandes, Luiz Antônio de Lima Resende, Elenice Deffune, Rogério Martins Amorim
Background and Objectives: Maintaining a permissive microenvironment is essential for adequate nerve regeneration. Cell-based therapy has the potential based cell replacement and promotion of axonal growth. The adipose tissue derived mesenchymal stromal cells (Ad-MSC) attract interest because neuroregenerative and anti-inflammatory properties. The aim of this study was to evaluate the effects of canine and murine Ad-MSC transplantation on the sciatic nerve regeneration. Methods: Forty Wistar rats were divided randomly into: control group - CG (n=8); denervated group - DG (n=8); decellularized vein group - VG (n=8); decellularized vein+canine MSC-cMSC (n=8); descellularized vein+murine MSC-mMSC (n=8)...
April 30, 2017: International Journal of Stem Cells
https://www.readbyqxmd.com/read/28445862/treatments-of-traumatic-neuropathic-pain-a-systematic-review
#3
Chenglun Yao, Xijie Zhou, Bin Zhao, Chao Sun, Keshav Poonit, Hede Yan
Traumatic neuropathic pain caused by traumatic neuroma has long been bothering both doctors and patients, the mechanisms of traumatic neuropathic pain are widely discussed by researchers and the treatment is challenging. Clinical treatment of painful neuroma is unclear. Numerous treatment modalities have been introduced by experts in this field. However, there is still no single standard recognized treatment.Different forms of treatments have been tested in animals and humans, but pharmacotherapies (antidepressants, antiepileptics) remain the basis of traumatic neuropathic pain management...
April 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28445821/the-ampk-mtor-pathway-is-involved-in-d-dopachrome-tautomerase-gene-transcription-in-adipocytes-differentiated-from-sgbs-cells-a-human-preadipocyte-cell-line
#4
Takeo Iwata, Kyoko Kuribayashi, Masahiko Nakasono, Noriko Saito-Tarashima, Noriaki Minakawa, Noriko Mizusawa, Rie Kido, Katsuhiko Yoshimoto
In adipose tissue, D-dopachrome tautomerase (DDT), a cytokine with structural similarity to macrophage migration inhibitory factor, is mainly expressed in adipocytes rather than preadipocytes and acts as an anti-obesity adipokine in an autocrine manner. However, its transcriptional regulation is largely unknown. In order to explore molecules affecting DDT transcription, a chemical library screening using HEK293 cells stably expressing a DDT promoter-reporter construct was performed. Several derivatives of 5-aminoimidazole-4-carboxamide-1-β-d-ribofuranoside (AICAR), an AMP-activated protein kinase (AMPK) activator, were identified as transcriptional activators of the DDT gene...
April 23, 2017: Cytokine
https://www.readbyqxmd.com/read/28445792/vitamin-d-supplementation-restores-the-blunted-muscle-protein-synthesis-response-in-deficient-old-rats-through-an-impact-on-ectopic-fat-deposition
#5
Audrey Chanet, Jérôme Salles, Christelle Guillet, Christophe Giraudet, Alexandre Berry, Véronique Patrac, Carla Domingues-Faria, Camille Tagliaferri, Katia Bouton, Justine Bertrand-Michel, Miriam Van Dijk, Marion Jourdan, Yvette Luiking, Sjors Verlaan, Corinne Pouyet, Philippe Denis, Yves Boirie, Stéphane Walrand
We investigated the impact of vitamin D deficiency and repletion on muscle anabolism in old rats. Animals were fed a control (1 IU vitamin D3/g, ctrl, n=20) or a vitamin D-depleted diet (VDD; 0 IU, n=30) for 6 months. A subset was thereafter sacrificed in the control (ctrl6) and depleted groups (VDD6). Remaining control animals were kept for 3 additional months on the same diet (ctrl9), while a part of VDD rats continued on a depleted diet (VDD9) and another part was supplemented with vitamin D (5 IU, VDS9)...
April 8, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28445787/adipose-derived-stem-cells-were-impaired-in-restricting-cd4-t-cell-proliferation-and-polarization-in-type-2-diabetic-apoe-mouse
#6
Ming-Hao Liu, Ya Li, Lu Han, Yao-Yuan Zhang, Di Wang, Zhi-Hao Wang, Hui-Min Zhou, Ming Song, Yi-Hui Li, Meng-Xiong Tang, Wei Zhang, Ming Zhong
BACKGROUND: Atherosclerosis (AS) is the most common and serious complication of type 2 diabetes mellitus (T2DM) and is accelerated via chronic systemic inflammation rather than hyperglycemia. Adipose tissue is the major source of systemic inflammation in abnormal metabolic state. Pro-inflammatory CD4(+)T cells play pivotal role in promoting adipose inflammation. Adipose-derived stem cells (ADSCs) for fat regeneration have potent ability of immunosuppression and restricting CD4(+)T cells as well...
April 23, 2017: Molecular Immunology
https://www.readbyqxmd.com/read/28445697/influence-of-maturation-on-in-vivo-tissue-to-plasma-partition-coefficients-for-cis-and-trans-permethrin
#7
Manoj Amaraneni, Jing Pang, James V Bruckner, Srinivasa Muralidhara, Tanzir B Mortuza, Darren Gullick, Shirin Hooshfar, Catherine A White, Brian S Cummings
Permethrin, the most widely used household insecticide in the U.S., is marketed as a mixture of its cis (CIS) and trans (TRANS) isomers. The major objective of this investigation was to develop and utilize a reliable approach to determine in vivo partition coefficients (PCs) for CIS and TRANS in immature and adult Sprague-Dawley rats. Adult, postnatal day (PND) 21 and PND 15 rats were infused with environmentally relevant concentrations of CIS or TRANS via a s.c. osmotic pump for 48 or 72 h. The adult and PND 21 rats also received an oral loading dose...
April 23, 2017: Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28445518/use-of-human-fat-grafting-in-the-prevention-of-perineural-adherence-experimental-study-in-athymic-mouse
#8
Mario Cherubino, Igor Pellegatta, Alessandro Crosio, Luigi Valdatta, Stefano Geuna, Rosalba Gornati, Pierluigi Tos
Perineural adherences represent a problem after surgery involving peripheral neural system. Fat-grafting with adipose derived stem cells (ASCs) with their pro-regenerative characteristics can be important to prevent the neural damage or to facilitate the neural regeneration. Our idea was to use the fat-grafting as an anti-adherence device and test its efficacy on a postsurgical scar animal model and comparing to an antiadhesive gel. 32 athymic mice were operated under magnification, we exposed both sciatic nerves...
2017: PloS One
https://www.readbyqxmd.com/read/28445487/bmt-decreases-hfd-induced-weight-gain-associated-with-decreased-preadipocyte-number-and-insulin-secretion
#9
Saeed Katiraei, Lisa R Hoving, Lianne van Beek, Sharida Mohamedhoesein, Françoise Carlotti, Janna A van Diepen, Patrick C N Rensen, Mihai G Netea, Ko Willems van Dijk, Jimmy F P Berbée, Vanessa van Harmelen
Experimental bone marrow transplantation (BMT) in mice is commonly used to assess the role of immune cell-specific genes in various pathophysiological settings. The application of BMT in obesity research is hampered by the significant reduction in high-fat diet (HFD)-induced obesity. We set out to characterize metabolic tissues that may be affected by the BMT procedure and impair the HFD-induced response. Male C57BL/6 mice underwent syngeneic BMT using lethal irradiation. After a recovery period of 8 weeks they were fed a low-fat diet (LFD) or HFD for 16 weeks...
2017: PloS One
https://www.readbyqxmd.com/read/28445413/identification-of-highly-specific-scfvs-against-total-adiponectin-for-diagnostic-purposes
#10
Peter Wilton, Michael Steidel, Gabriele Krczal, Iris Hermanns, Andreas Pfützner, Alisa Konnerth, Kajohn Boonrod
Adiponectin is one of the most abundant adipokines secreted from adipose tissue. It acts as an endogenous insulin sensitizer and plasma concentrations are inversely correlated with obesity and metabolic syndrome. A decrease in plasma adiponectin levels normally indicates increased hormonal activity of the visceral lipid tissue, which is associated with decreased insulin sensitivity. It may therefore be considered a valuable biomarker for elucidating the underlying deteriorations resulting in type 2 diabetes and macrovascular disease...
April 26, 2017: Biology
https://www.readbyqxmd.com/read/28445389/fructose-glucocorticoids-and-adipose-tissue-implications-for-the-metabolic-syndrome
#11
REVIEW
Balázs Legeza, Paola Marcolongo, Alessandra Gamberucci, Viola Varga, Gábor Bánhegyi, Angiolo Benedetti, Alex Odermatt
The modern Western society lifestyle is characterized by a hyperenergetic, high sugar containing food intake. Sugar intake increased dramatically during the last few decades, due to the excessive consumption of high-sugar drinks and high-fructose corn syrup. Current evidence suggests that high fructose intake when combined with overeating and adiposity promotes adverse metabolic health effects including dyslipidemia, insulin resistance, type II diabetes, and inflammation. Similarly, elevated glucocorticoid levels, especially the enhanced generation of active glucocorticoids in the adipose tissue due to increased 11β-hydroxysteroid dehydrogenase 1 (11β-HSD1) activity, have been associated with metabolic diseases...
April 26, 2017: Nutrients
https://www.readbyqxmd.com/read/28445367/adipose-tissue-drives-response-to-ischemia-reperfusion-injury-in-a-murine-pressure-sore-model
#12
Madeleine J Gust, Seok Jong Hong, Robert C Fang, Steven T Lanier, Donald W Buck, Jennifer M Nuñez, Shengxian Jia, Eugene D Park, Robert D Galiano, Thomas A Mustoe
BACKGROUND: Ischemia-reperfusion injury contributes significantly to the pathogenesis of chronic wounds such as pressure sores and diabetic foot ulcers. The authors' laboratory has previously developed a cyclical murine ischemia-reperfusion injury model. The authors here use this model to determine factors underlying tissue response to ischemia-reperfusion injury. METHODS: C57BL/6 mice were subjected to cycles of ischemia-reperfusion that varied in number (one to four cycles) and duration of ischemia (1 to 2 hours)...
May 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28445363/indomethacin-enhances-fat-graft-retention-by-up-regulating-adipogenic-genes-and-reducing-inflammation
#13
Weiqing Zhan, Shaun S Tan, Xiaolian Han, Jason A Palmer, Geraldine M Mitchell, Wayne A Morrison
BACKGROUND: Cell-assisted lipotransfer has been promisingly applied to restore soft-tissue defects in plastic surgery; however, the harvesting of stromal vascular fraction increases morbidity and poses potential safety hazards. The authors investigated whether adding indomethacin, an antiinflammatory proadipogenic drug, to the fat graft at the time of transplantation would enhance the final graft volume compared with cell-assisted lipotransfer. METHODS: In vitro, human adipose-derived stem cells were cultured in conditioned growth media supplemented with various doses of indomethacin to investigate adipogenesis and the expression of the adipogenic genes...
May 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28445362/effect-of-human-fat-graft-on-breast-cancer-metastasis-in-a-murine-model
#14
Roberto Moltó-García, Virina González-Alonso, María Eloísa Villaverde-Doménech, Edurne Novella-Maestre
BACKGROUND: Isolated adipose stem cells have been reported to encourage migration and early metastasis of breast cancer. Mimicking a surgical situation, the authors developed a human breast cancer model to evaluate in vivo whether human adipose tissue promotes tumor growth and invasion. METHODS: Human adipose tissue was obtained from four patients. The MDA-MB-468 cell line was cultured with a lentiviral vector encoding a puromycin resistance gene and mCherry fluorescent protein...
May 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28445161/zerumbone-ameliorates-high-fat-diet-induced-adiposity-by-restoring-ampk-regulated-lipogenesis-and-microrna-146b-sirt1-mediated-adipogenesis
#15
Jiyun Ahn, Hyunjung Lee, Chang Hwa Jung, Won Hee Choi, Tae Youl Ha
Obesity is characterized by increased fat mass, as adipose tissue serves as a storage site for excess energy from food consumption. In obesity, altered lipid metabolism of adipose tissue, characterized by fatty acid uptake, de novo lipogenesis, and lipolysis, are induced. In this study, we examined the effect of zerumbone, a major sesquiterpene from wild ginger, on high-fat diet (HF)-induced obesity and dysregulated lipid metabolism in the white adipose tissues (WAT) of C57BL/6N mice. Dietary supplementation with zerumbone ameliorated HF-induced obesity and improved impaired lipid metabolism in WAT...
April 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28445156/dietary-capsaicin-and-antibiotics-act-synergistically-to-reduce-non-alcoholic-fatty-liver-disease-induced-by-high-fat-diet-in-mice
#16
Jingjuan Hu, Haihua Luo, Yong Jiang, Peng Chen
The prevalence of non-alcoholic fatty liver disease is increasing rapidly worldwide. However, effective strategies for combating high-fat diet (HFD) induced obesity, fatty liver and metabolic disorder are still limited, and outcomes remain poor. In the present study, we evaluated the combined actions of dietary capsaicin and antibiotics on HFD-induced physiological abnormalities in mice. C57BL/6 male mice were fed with HFD (60% calories from fat) for 17 weeks, and the resultant pathophysiological effects were examined...
April 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28445107/hypodermal-adipose-tissue-sonoelastography-for-monitoring-treatment-response-in-patients-with-plaque-psoriasis
#17
Annunziata Dattola, Simone Altobelli, Salvatore Marsico, Domenico Plastina, Steven P Nistico, Armando Cavallo, Roberto Floris, Luca Bianchi, Manlio Guazzaroni
BACKGROUND: Psoriasis (PsO) is a multifactorial chronic and relapsing skin disease that affects about 125 million people in the world. Several studies have demonstrated the link between adipose tissue, inflammation, and PsO. The purpose of our study is to evaluate hypodermal adipose tissue inflammation underneath PsO plaques quantifying tissue elasticity with sonoelastography before and after treatment. The study was conducted at the Department of Dermatology of the University of "Rome Tor Vergata" and Department of Radiology of the University of "Rome Tor Vergata...
April 24, 2017: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/28444942/combined-inhibition-of-autophagy-protein-5-and-galectin-1-by-thiodigalactoside-reduces-diet-induced-obesity-through-induction-of-white-fat-browning
#18
Hilal Ahmad Parray, Jong Won Yun
Our previous study demonstrated that thiodigalactoside (TDG) ameliorates obesity by targeted inhibition of galectin-1 (GAL1). Here, for the first time, we report the unexpected role of GAL1 and ATG5 inhibition by TDG in lipid metabolism. Core thermogenic marker proteins and genes were highly induced in white adipose tissue (WAT) of rats fed a high fat diet (HFD) and TDG, resulting in the significant development of brown fat-like adipocytes in inguinal WAT. TDG treatment reduced weight gain and fat mass as well as activated brown adipose tissue (BAT) in HFD-fed rats...
April 26, 2017: IUBMB Life
https://www.readbyqxmd.com/read/28444853/experimental-type-2-diabetes-induction-reduces-serum-vaspin-but-not-serum-omentin-in-wistar-rats
#19
Cynthia Aparecida de Castro, Karina Ana da Silva, Marina Molina Buffo, Karina Nogueira Zambone Pinto, Fernanda de Oliveira Duarte, Keico Okino Nonaka, Fernanda de Freitas Aníbal, Ana Cláudia Garcia de Oliveira Duarte
Vaspin and omentin are adipose tissue adipokines that have often been related to obesity and its comorbidities. The aim of this study was to investigate the behaviour of serum omentin and vaspin in models of type 2 diabetes. To do this, Wistar rats (~200 g) were randomly divided into two groups: a non-diabetic group (n = 6) and a diabetic group fed on a high-fat diet (n = 6) and a low dose of streptozotocin (Sigma(®) ). All procedures were approved by the Brazilian Ethics Committee. Body weight (BW) and food intake were recorded daily...
April 25, 2017: International Journal of Experimental Pathology
https://www.readbyqxmd.com/read/28444841/the-effect-of-grapeseed-oil-on-performance-rumen-fermentation-antioxidant-status-and-subcutaneous-adipose-fatty-acid-profile-in-lambs
#20
M Sharifi, M Bashtani, A A Naserian, H Farhangfar, A Emami
This experiment was carried out to examine the effect of grapeseed oil (GSO) on performance, rumen fermentation, antioxidant status and subcutaneous adipose fatty acid (FA) profile in lambs. Eighteen Baluchi lambs, 196 ± 14 days of age and 39.8 ± 1.7 kg body weight, were randomly assigned to three experimental diets: (i) diet without GSO (control), (ii) diet containing 2% of GSO (GSO2) and (iii) diet containing 4% of GSO (GSO4) for 42 days. Results showed that the experimental diets had no significant effect on dry matter intake and performance (p > 0...
April 26, 2017: Journal of Animal Physiology and Animal Nutrition
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