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https://www.readbyqxmd.com/read/28230922/adipose-derived-aldehyde-dehydrogenase-expressing-cells-promote-dermal-regenerative-potential-with-collagen-glycosaminoglycan-scaffold
#1
Hajime Matsumine, Kazuyuki Numakura, Satoshi Tsunoda, Huan Wang, Rui Matsumine, Mihail Climov, Giorgio Giatsidis, Vikas P Sukhatme, Dennis P Orgill
Aldehyde dehydrogenase (ALDH) is an enzyme that plays an important role in retinoid metabolism and highly expressed in stem cells. This study isolated ALDH-expressing cells from subcutaneous adipose tissue and investigated their potential to enhance healing in a full-thickness skin wound in rats by co-implanting them with collagen-glycosaminoglycan (c-GAG) scaffolds. ALDH-positive cells were isolated by a fluorescence-activated cell sorting technique from Lewis rat's stromal-vascular-fraction (SVF) and transplanted with c-GAG scaffolds in a rat full-thickness skin wound model...
November 7, 2016: Wound Repair and Regeneration
https://www.readbyqxmd.com/read/28229550/hair-cortisol-and-adiposity-in-a-population-based-sample-of-2-527-men-and-women-aged-54-to-87-years
#2
Sarah E Jackson, Clemens Kirschbaum, Andrew Steptoe
OBJECTIVE: Chronic cortisol exposure is hypothesized to contribute to obesity. This study examined associations between hair cortisol concentrations, a novel indicator of long-term cortisol exposure, and adiposity in a large population-based sample. METHODS: Data were from 2,527 men and women aged 54 and older (98% white British) participating in the English Longitudinal Study of Ageing. Hair cortisol concentrations were determined from the scalp-nearest 2 cm hair segment, and height, weight, and waist circumference were objectively measured...
March 2017: Obesity
https://www.readbyqxmd.com/read/28229424/three-dimensional-printed-scaffolds-with-multipotent-mesenchymal-stromal-cells-for-rabbit-mandibular-reconstruction-and-engineering
#3
Dongdong Fang, Michael Roskies, Mohamed-Nur Abdallah, Mohammed Bakkar, Jack Jordan, Li-Chieh Lin, Faleh Tamimi, Simon D Tran
Multipotent mesenchymal stromal cells (MSC) derived from both the bone marrow and adipose tissue possess the ability to differentiate into multiple cell lineages, regulate the immune function by secreting numerous bioactive paracrine factors, and hold great potential in cell therapy and tissue engineering. When combined with three-dimensional (3D) scaffolds, MSC can be used for bone defect reconstruction and engineering. This protocol describes the isolation of bone marrow mesenchymal stromal cells (BMMSC) and adipose-tissue derived stem cells (ADSC) from rabbits for subsequent seeding on tissue-engineered 3D-printed scaffolds and transplantation into a rabbit-model with the goal of repairing large osseous mandibular defects (one quarter of the lower jaw is removed surgically)...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28229416/human-induced-pluripotent-stem-cell-derived-mesenchymal-stem-cells-as-an-individual-specific-and-renewable-source-of-adult-stem-cells
#4
Glen Lester Sequiera, Sekaran Saravanan, Sanjiv Dhingra
This chapter deals with the employment of human-induced pluripotent stem cells (hiPSCs) as a candidate to differentiate into mesenchymal stem cells (MSCs). This would enable to help establish a regular source of human MSCs with the aim of avoiding the problems associated with procuring the MSCs either from different healthy individuals or patients, limited extraction potentials, batch-to-batch variations or from diverse sources such as bone marrow or adipose tissue. The procedures described herein allow for a guided and ensured approach for the regular maintenance of hiPSCs and their subsequent differentiation into MSCs using the prescribed medium...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28229415/isolation-of-stromal-stem-cells-from-adipose-tissue
#5
Maria Prat, Francesca Oltolina, Silvia Antonini, Andrea Zamperone
Adipose tissue has been shown to be particularly advantageous as source of mesenchymal stem cells (MSCs), because of its easy accessibility, and the possibility of obtaining stem cells in high yields. MSCs are obtained from the so-called Stromal Vascular Fraction, (SVF), exploiting their property of adhering to plastic surfaces and can be further purified by positive or negative immunomagnetic selection with appropriately chosen antibodies. These cells (Stromal Stem Cells, SSCs) can then be directly analyzed, frozen in liquid nitrogen, or expanded for further applications, e...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28229407/assessment-of-energy-metabolic-changes-in-adipose-tissue-derived-stem-cells
#6
Ghazaleh Hajmousa, Martin C Harmsen
Adipose tissue-derived stem cells (ADSC) are promising candidates for therapeutic applications in cardiovascular regenerative medicine. By definition, the phenotype ADSCs, e.g., the ubiquitous secretion of growth factors, cytokines, and extracellular matrix components is not met in vivo, which renders ADSC a culture "artefact." The medium constituents therefore impact the efficacy of ADSC. Little attention has been paid to the energy source in medium, i.e., glucose, which feeds the cell's power plants: mitochondria...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28229405/compact-bone-derived-multipotent-mesenchymal-stromal-cells-mscs-for-the-treatment-of-sjogren-s-like-disease-in-nod-mice
#7
Ghada Abu Elghanam, Younan Liu, Saeed Khalili, Dongdong Fang, Simon D Tran
Compact bone (cortical or dense bone) is among the organs that contain multipotent mesenchymal stromal cells (MSCs). Unlike bone marrow plugs where MSCs were initially isolated, compact bone has minimal (amount of) hematopoietic cells and thus facilitates the MSCs isolation process. In vitro, MSCs from compact bone show multipotency and differentiation into mesenchymal tissues such as bone, adipose, and cartilage, under certain conditions. MSCs therapy has been promising in preclinical and clinical studies against autoimmune diseases...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28229360/thyroid-hormone-acting-via-tr%C3%AE-induces-expression-of-browning-genes-in-mouse-bone-marrow-adipose-tissue
#8
Richard C Lindsey, Subburaman Mohan
PURPOSE: Mutant hypothyroid mouse models have recently shown that thyroid hormone is critical for skeletal development during an important prepubertal growth period. Additionally, thyroid hormone negatively regulates total body fat, consistent with the well-established effects of thyroid hormone on energy and fat metabolism. Since bone marrow mesenchymal stromal cells differentiate into both adipocytes and osteoblasts and a relationship between bone marrow adipogenesis and osteogenesis has been predicted, we hypothesized thyroid hormone deficiency during the postnatal growth period increases marrow adiposity in mice...
February 22, 2017: Endocrine
https://www.readbyqxmd.com/read/28229265/low-vitamin-d-status-and-obesity-role-of-nutritionist
#9
REVIEW
Silvia Savastano, Luigi Barrea, Maria Cristina Savanelli, Francesca Nappi, Carolina Di Somma, Francesco Orio, Annamaria Colao
Low vitamin D status and obesity have concomitantly reached epidemic levels worldwide. Up to now the direction of the association between low vitamin D status and obesity, the exact mechanisms responsible for this association and the clinical usefulness to increase vitamin D status for reducing adiposity still warrant further evaluation. The aim of the present review was to examine the current evidence linking low vitamin D status and obesity in relation to the role of the nutritionist. On the one side, considering obesity as a causal factor, low sun exposure in obese individuals due to their sedentary lifestyle and less outdoor activity, vitamin D sequestration in adipose tissue, and volumetric dilution of ingested or cutaneously synthesized vitamin D3 in the large fat mass of obese patients, might represent some of the factors playing a major role in the pathogenesis of the low vitamin D status...
February 23, 2017: Reviews in Endocrine & Metabolic Disorders
https://www.readbyqxmd.com/read/28229226/pericoronary-adipose-tissue-ratio-is-a-stronger-associated-factor-of-plaque-vulnerability-than-epicardial-adipose-tissue-on-coronary-computed-tomography-angiography
#10
Ryo Okubo, Rine Nakanishi, Mikihito Toda, Daiga Saito, Ippei Watanabe, Takayuki Yabe, Hideo Amano, Tatsushi Hirai, Takanori Ikeda
This study was designed to clarify the influence of pericoronary adipose tissue (PAT) on plaque vulnerability using coronary computed tomography angiography (CCTA). A total of 103 consecutive patients who underwent CCTA and subsequent percutaneous coronary intervention (PCI) using intravascular ultrasound (IVUS) for coronary artery disease were enrolled. The PAT ratio was calculated as the sum of the perpendicular thickness of the visceral layer between the coronary artery and the pericardium, or the coronary artery and the surface of the heart at the PCI site, divided by the PAT thickness without a plaque in the same vessel...
February 22, 2017: Heart and Vessels
https://www.readbyqxmd.com/read/28228829/hepatic-iron-storage-is-related-to-body-adiposity-and-hepatic-inflammation
#11
Chan Yoon Park, Jayong Chung, Kyung-Ok Koo, Min Soo Kim, Sung Nim Han
BACKGROUND: Obesity has been reported to be associated with iron deficiency. However, few studies have investigated iron status in low adiposity. To investigate whether body adiposity was associated with altered hepatic iron status, we compared liver iron levels and markers involved in inflammation and iron absorption in obese, control, and mildly calorie restricted mice. METHODS: Seven week old C57BL/6 mice were fed control (10% kcal fat, Control) or high fat (60% kcal fat, HFD) diets, or reduced amount of control diet to achieve 15% calorie restriction (CR) for 16 weeks...
2017: Nutrition & Metabolism
https://www.readbyqxmd.com/read/28228748/chromogranin-a-regulation-of-obesity-and-peripheral-insulin-sensitivity
#12
REVIEW
Gautam K Bandyopadhyay, Sushil K Mahata
Chromogranin A (CgA) is a prohormone and granulogenic factor in endocrine and neuroendocrine tissues, as well as in neurons, and has a regulated secretory pathway. The intracellular functions of CgA include the initiation and regulation of dense-core granule biogenesis and sequestration of hormones in neuroendocrine cells. This protein is co-stored and co-released with secreted hormones. The extracellular functions of CgA include the generation of bioactive peptides, such as pancreastatin (PST), vasostatin, WE14, catestatin (CST), and serpinin...
2017: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/28228728/perivascular-adipose-tissue-s-impact-on-norepinephrine-induced-contraction-of-mesenteric-resistance-arteries
#13
Nadia Ayala-Lopez, Janice M Thompson, Stephanie W Watts
Background: Perivascular adipose tissue (PVAT) can decrease vascular contraction to NE. We tested the hypothesis that metabolism and/or uptake of vasoactive amines by mesenteric PVAT (MPVAT) could affect NE-induced contraction of the mesenteric resistance arteries. Methods: Mesenteric resistance vessels (MRV) and MPVAT from male Sprague-Dawley rats were used. RT-PCR and Western blots were performed to detect amine metabolizing enzymes. The Amplex® Red Assay was used to quantify oxidase activity by detecting the oxidase reaction product H2O2 and the contribution of PVAT on the mesenteric arteries' contraction to NE was measured by myography...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28228678/oreoglanis-hponkanensis-a-new-sisorid-catfish-from-north-myanmar-actinopterygii-sisoridae
#14
Xiao-Yong Chen, Tao Qin, Zhi-Ying Chen
During a survey of the Mali Hka River drainage in Hponkanrazi Wildlife Sanctuary in December 2015, a new species was collected and is described herein as Oreoglanis hponkanensis. It is a member of the Oreoglanis siamensis species group and can be distinguished from its congeners in having a unique combination of the following characters: lower lip with median notch and posterior margin entire, caudal fin emarginate, nasal barbel reaching about half the distance to eye, tip of maxillary barbel rounded, posterior margin of maxillary barbel entire, absence of pale elliptical patches on sides of body below adipose fin, absence of patch on base of first dorsal fin ray, caudal fin brown with two round, bright orange patches in middle, branched dorsal fin rays 5, branched anal fin rays 2, vertebrae 40, pectoral fin surpassing pelvic fin origin, pelvic fin length 21-26% SL, caudal peduncle length 25-33% SL, caudal peduncle depth 3-5% SL, adipose fin base length 34-39% SL, and dorsal to adipose distance 12-16% SL...
2017: ZooKeys
https://www.readbyqxmd.com/read/28228651/adipokines-and-cardiovascular-disease-a-comprehensive-review
#15
Ales Smekal, Jan Vaclavik
Adipokines are peptides that signal the functional status of adipose tissue to the brain and other target organs. In adipose tissue dysfunction, adipokine secretion is altered, and this can contribute to a spectrum of obesity-associated conditions including cardiovascular disease. Some adipokines have anti-inflammatory and cardioprotective effects (omentin, apelin, adiponectin). Others are pro-inflammatory with negative impact on cardiovascular function (leptin, visfatin, resistin, adipocyte fatty-acid-binding protein)...
February 16, 2017: Biomedical Papers of the Medical Faculty of the University Palacký, Olomouc, Czechoslovakia
https://www.readbyqxmd.com/read/28228444/brown-adipose-tissue-not-just-a-heater
#16
EDITORIAL
Lin Chang, Minerva T Garcia-Barrio, Y Eugene Chen
No abstract text is available yet for this article.
March 2017: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/28228420/body-composition-changes-in-the-comprehensive-assessment-of-long-term-effects-of-reducing-intake-of-energy-calerie-2-study-a-2-y-randomized-controlled-trial-of-calorie-restriction-in-nonobese-humans
#17
Sai Krupa Das, Susan B Roberts, Manjushri V Bhapkar, Dennis T Villareal, Luigi Fontana, Corby K Martin, Susan B Racette, Paul J Fuss, William E Kraus, William W Wong, Edward Saltzman, Carl F Pieper, Roger A Fielding, Ann V Schwartz, Eric Ravussin, Leanne M Redman
Background: Calorie restriction (CR) retards aging and increases longevity in many animal models. However, it is unclear whether CR can be implemented in humans without adverse effects on body composition.Objective: We evaluated the effect of a 2-y CR regimen on body composition including the influence of sex and body mass index (BMI; in kg/m(2)) among participants enrolled in CALERIE-2 (Comprehensive Assessment of Long-term Effects of Reducing Intake of Energy), a multicenter, randomized controlled trial.Design: Participants were 218 nonobese (BMI: 21...
February 22, 2017: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28228287/adipose-derived-stem-cells-combined-with-neuregulin-microparticles-for-efficient-cardiac-repair
#18
EDITORIAL
Kinam Park
No abstract text is available yet for this article.
March 10, 2017: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/28228283/adipose-type-one-innate-lymphoid-cells-regulate-macrophage-homeostasis-through-targeted-cytotoxicity
#19
Selma Boulenouar, Xavier Michelet, Danielle Duquette, David Alvarez, Andrew E Hogan, Christina Dold, Donal O'Connor, Suzanne Stutte, Ali Tavakkoli, Desmond Winters, Mark A Exley, Donal O'Shea, Michael B Brenner, Ulrich von Andrian, Lydia Lynch
Adipose tissue has a dynamic immune system that adapts to changes in diet and maintains homeostatic tissue remodeling. Adipose type 1 innate lymphoid cells (AT1-ILCs) promote pro-inflammatory macrophages in obesity, but little is known about their functions at steady state. Here we found that human and murine adipose tissue harbor heterogeneous populations of AT1-ILCs. Experiments using parabiotic mice fed a high-fat diet (HFD) showed differential trafficking of AT1-ILCs, particularly in response to short- and long-term HFD and diet restriction...
February 21, 2017: Immunity
https://www.readbyqxmd.com/read/28228274/killer-ilcs-in-the-fat
#20
Emilie Narni-Mancinelli, Eric Vivier
Innate lymphoid cells (ILCs) residing in adipose tissue participate in the pathogenesis of obesity, but their contribution toward adipose tissue homeostasis in the lean state is unclear. Boulenouar et al. (2017) now report that heterogenous type 1 ILCs in adipose tissues regulate macrophage homeostasis through cytotoxicity.
February 21, 2017: Immunity
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