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adipose distribution

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https://www.readbyqxmd.com/read/28531568/macronutrient-and-alcohol-intake-is-associated-with-intermuscular-adipose-tissue-in-a-randomly-selected-group-of-younger-and-older-men-and-women
#1
Kajsa Sjöholm, Lena Gripeteg, Ingrid Larsson
BACKGROUND: Alcohol and macronutrient intake have been found to be related to general and central body fat distribution. Intermuscular adipose tissue (IMAT) is a small ectopic fat depot located within the muscle bundles. IMAT is important for muscle function, mobility and energy homeostasis and also associated with cardiovascular- and diabetes-related risk factors. AIM: To test the hypothesis that macronutrient and alcohol intake is associated with IMAT. METHODS: 50 men and 50 women, randomly selected from the general population formed height- and weight-representative age groups of 50 younger (27-31 years) and 50 older (57-61 years) subjects...
June 2016: Clinical Nutrition ESPEN
https://www.readbyqxmd.com/read/28526391/withdrawal-from-high-carbohydrate-high-saturated-fat-diet-changes-saturated-fat-distribution-and-improves-hepatic-low-density-lipoprotein-receptor-expression-to-ameliorate-metabolic-syndrome-in-rats
#2
Ankita Hazarika, Himadri Kalita, Mohan Chandra Kalita, Rajlakshmi Devi
OBJECTIVE: The "lipid hypothesis" determined that saturated fatty acid (SFA) raises low-density lipoprotein cholesterol, thereby increasing the risk for metabolic syndrome (MetS). The aim of this study was to investigate the effect of subchronic withdrawal from a high-carbohydrate, high-saturated fat (HCHF) diet during MetS with reference to changes in deleterious SFA (C12:0, lauric acid; C14:0, myristic acid; C16:0, palmitic acid; C18:0, stearic acid) distribution in liver, white adipose tissue (WAT), and feces...
June 2017: Nutrition
https://www.readbyqxmd.com/read/28522333/development-of-qsars-for-parameterizing-physiology-based-toxicokinetic-models
#3
Dimosthenis Α Sarigiannis, Krystalia Papadaki, Periklis Kontoroupis, Spyros P Karakitsios
A Quantitative Structure Activity Relationship (QSAR) model was developed in order to predict physicochemical and biochemical properties of industrial chemicals of various groups. This model was based on the solvation equation, originally proposed by Abraham. In this work Abraham's solvation model got parameterized using artificial intelligence techniques such as artificial neural networks (ANNs) for the prediction of partitioning into kidney, heart, adipose, liver, muscle, brain and lung for the estimation of the bodyweight-normalized maximal metabolic velocity (Vmax) and the Michaelis - Menten constant (Km)...
May 15, 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/28508445/adult-height-and-glucose-tolerance-a-re-appraisal-of-the-importance-of-body-mass-index
#4
S K J Rehunen, H Kautiainen, J G Eriksson, P E Korhonen
AIM: To study both the association between adult height and glucose regulation based on findings from a 75-g oral glucose tolerance test, and the combined effect of height and adiposity on glucose values. METHODS: We conducted a population-based, cross-sectional study among apparently healthy people with high cardiovascular risk living in south-western Finland. The study included 2659 participants aged 45-70 years, who had at least one cardiovascular risk factor but no previously diagnosed diabetes or manifested cardiovascular disease...
May 16, 2017: Diabetic Medicine: a Journal of the British Diabetic Association
https://www.readbyqxmd.com/read/28507819/radix-stellariae-extract-prevents-high-fat-diet-induced-obesity-in-c57bl-6-mice-by-accelerating-energy-metabolism
#5
Yin Li, Xin Liu, Yu Fan, Baican Yang, Cheng Huang
Stellaria dichotoma L. is widely distributed in Ningxia and surrounding areas in northwestern China. Its root, Radix Stellariae (RS), has been used in herbal formulae for treating asthenic-fever, infection, malaria, dyspepsia in children and several other symptoms. This study investigated whether the RS extract (RSE) alleviates metabolic disorders. The results indicated that RSE significantly inhibited body weight gain in high-fat (HF)-diet-fed C57BL/6 mice, reduced fasting glucose levels, and improved insulin tolerance...
2017: PeerJ
https://www.readbyqxmd.com/read/28500728/immunolocalization-of-substance-p-and-nk-1-receptor-in-adipose-stem-cells
#6
Miguel Muñoz, Mario F Muñoz, Antonio Ayala
Substance P (SP) is a neuropeptide belonging to the thachykinin peptide family. SP, after binding to its receptor, the neurokinin 1 receptor (NK1R), controls several transcription factors such as NF-κB, hypoxia inducible factor (HIF-1α), c-myc, c-fos, c-jun and AP-1. SP and NK1R have a widespread distribution in both the central and peripheral nervous systems. They are also present in cells not belonging to the nervous system (immune cells, placenta, etc.). SP is located in all body fluids, i.e., blood, cerebrospinal fluid, etc...
May 13, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28500659/insulin-sensitivity-in-relation-to-fat-distribution-and-plasma-adipocytokines-among-abusers-of-anabolic-androgenic-steroids
#7
Jon Jarløv Rasmussen, Morten Schou, Christian Selmer, Marie Louise Johansen, Finn Gustafsson, Jan Frystyk, Flemming Dela, Jens Faber, Caroline Kistorp
OBJECTIVE: Abuse of anabolic androgenic steroids (AAS) is prevalent among young men, but information regarding effects on insulin sensitivity and fat distribution is limited. The objective was to investigate insulin sensitivity in relation to fat distribution and adipocytokines among current and former AAS abusers compared with controls. DESIGN: Cross-sectional study among men involved in recreational strength training. Current and former AAS abusers (n=37 and n=33) and controls (n=30) volunteered from the community...
May 13, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/28500476/update-on-apoa5-genetics-toward-a-better-understanding-of-its-physiological-impact
#8
REVIEW
Montse Guardiola, Josep Ribalta
PURPOSE OF REVIEW: This review is intended to summarize the genetic studies published during the last 3 years that help us understand the physiology of apoAV and its clinical implications. RECENT FINDINGS: APOA5 is probably the gene with the strongest effect on triglyceride (TG) metabolism. APOA5 is almost exclusively expressed in the liver, and its product apoAV has a very low circulating concentration. New physiological roles of apoAV have been recently elucidated, such as control of chylomicron production in the intestine and TG accumulation in adipose tissue...
July 2017: Current Atherosclerosis Reports
https://www.readbyqxmd.com/read/28500271/causal-associations-of-adiposity-and-body-fat-distribution-with-coronary-heart-disease-stroke-subtypes-and-type-2-diabetes-a-mendelian-randomization-analysis
#9
Caroline Dale, Ghazaleh Fatemifar, Tom Palmer, Jonathan White, David Prieto-Merino, Delilah Zabaneh, Jorgen E L Engmann, Tina Shah, Andrew Wong, Helen R Warren, Stela McLachlan, Stella Trompet, Max Moldovan, Richard W Morris, Reecha Sofat, Meena Kumari, Elina Hyppönen, Barbara J Jefferis, Tom R Gaunt, Yoav Ben-Shlomo, Ang Zhou, Aleksandra Gentry-Maharaj, Andy Ryan, Renée de Mutsert, Raymond Noordam, Mark J Caulfield, J Wouter Jukema, Bradford B Worrall, Patricia B Munroe, Usha Menon, Chris Power, Diana Kuh, Debbie A Lawlor, Steve E Humphries, Dennis O Mook-Kanamori, George Davey Smith, Naveed Sattar, Mika Kivimaki, Jacqueline F Price, Frank Dudbridge, Aroon D Hingorani, Michael V Holmes, Juan-Pablo Casas
Background -Implications of different adiposity measures on cardiovascular disease aetiology remain unclear. In this paper we quantify and contrast causal associations of central adiposity (waist:hip ratio adjusted for BMI (WHRadjBMI)) and general adiposity (body mass index (BMI)) with cardiometabolic disease. Methods -97 independent single nucleotide polymorphisms (SNPs) for BMI and 49 SNPs for WHRadjBMI were used to conduct Mendelian randomization analyses in 14 prospective studies supplemented with CHD data from CARDIoGRAMplusC4D (combined total 66,842 cases), stroke from METASTROKE (12,389 ischaemic stroke cases), type 2 diabetes (T2D) from DIAGRAM (34,840 cases), and lipids from GLGC (213,500 participants) consortia...
May 12, 2017: Circulation
https://www.readbyqxmd.com/read/28494459/influence-of-bovine-serum-lipids-and-fetal-bovine-serum-on-the-expression-of-cell-surface-markers-in-cultured-bovine-preadipocytes
#10
Mansur A Sandhu, Sandra Jurek, Susanne Trappe, Martin Kolisek, Gerhard Sponder, Jörg R Aschenbach
To establish the influence of fetal bovine serum (FBS) and bovine serum lipids (BSL) on cell differentiation marker expression, bovine adipose-derived stem cells from subcutaneous tissue were incubated for 14 days in 4 types of differentiation media containing 10% FBS and 10 µL/mL BSL (TRT-1), no FBS and 10 µL/mL of BSL (TRT-2), 10% FBS and no BSL (TRT-3), or no supplements (TRT-4). Cells were subjected to Nile red staining, immunocytochemistry (CD73, CD90, CD105, DLK1, FabP4), and quantitative real-time PCR (CD73, CD90, CD105, FabP4)...
May 12, 2017: Cells, Tissues, Organs
https://www.readbyqxmd.com/read/28493212/composite-bioscaffolds-incorporating-decellularized-ecm-as-a-cell-instructive-component-within-hydrogels-as-in-vitro-models-and-cell-delivery-systems
#11
Arthi Shridhar, Elizabeth Gillies, Brian G Amsden, Lauren E Flynn
Decellularized tissues represent promising biomaterials, which harness the innate capacity of the tissue-specific extracellular matrix (ECM) to direct cell functions including stem cell proliferation and lineage-specific differentiation. However, bioscaffolds derived exclusively from decellularized ECM offer limited versatility in terms of tuning biomechanical properties, as well as cell-cell and cell-ECM interactions that are important mediators of the cellular response. As an alternative approach, in the current chapter we describe methods for incorporating cryo-milled decellularized tissues as a cell-instructive component within a hydrogel carrier designed to crosslink under mild conditions...
May 11, 2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28484594/adipose-tissue-lipolysis-and-remodeling-during-the-transition-period-of-dairy-cows
#12
REVIEW
G Andres Contreras, Clarissa Strieder-Barboza, William Raphael
Elevated concentrations of plasma fatty acids in transition dairy cows are significantly associated with increased disease susceptibility and poor lactation performance. The main source of plasma fatty acids throughout the transition period is lipolysis from adipose tissue depots. During this time, plasma fatty acids serve as a source of calories mitigating the negative energy balance prompted by copious milk synthesis and limited dry matter intake. Past research has demonstrated that lipolysis in the adipose organ is a complex process that includes not only the activation of lipolytic pathways in response to neural, hormonal, or paracrine stimuli, but also important changes in the structure and cellular distribution of the tissue in a process known as adipose tissue remodeling...
2017: Journal of Animal Science and Biotechnology
https://www.readbyqxmd.com/read/28478920/intravenous-infusion-of-adipose-derived-stem-stromal-cells-improves-functional-recovery-of-rats-with-spinal-cord-injury
#13
Yuki Ohta, Akemi Hamaguchi, Masanori Ootaki, Minoru Watanabe, Yuko Takeba, Taroh Iiri, Naoki Matsumoto, Mitsuko Takenaga
BACKGROUND AIMS: Adipose tissue has therapeutic potential for spinal cord injury (SCI) because it contains multipotent cells known as adipose-derived stem/stromal cells (ASCs). In this study, we attempted intravenous ASC transplantation in rats with SCI to examine the effect on functional recovery. METHODS: ASCs (2.5 × 10(6)) were intravenously infused into SCI rats, after which hindlimb motor function was evaluated. Distribution of transplanted ASCs was investigated and growth factor/cytokine levels were determined...
May 3, 2017: Cytotherapy
https://www.readbyqxmd.com/read/28474510/circulating-selenoprotein-p-levels-in-relation-to-mri-derived-body-fat-volumes-liver-fat-content-and-metabolic-disorders
#14
Romina di Giuseppe, Manja Koch, Sabrina Schlesinger, Jan Borggrefe, Marcus Both, Hans-Peter Müller, Jan Kassubek, Gunnar Jacobs, Ute Nöthlings, Wolfgang Lieb
OBJECTIVE: Association studies of selenoprotein P (SELENOP) with cardiometabolic traits in humans are relatively scarce and, in part, conflicting. A general population sample from Northern Germany was evaluated for cross-sectional associations of circulating SELENOP concentrations with metabolic syndrome (MetS), total volumes of MRI-determined visceral (VAT) and subcutaneous (SAT) abdominal adipose tissue, liver signal intensity, and fatty liver disease (FLD). METHODS: Nine hundred and five participants received comprehensive clinical and molecular phenotyping along with measurement of serum SELENOP; 584 individuals received MRI...
May 5, 2017: Obesity
https://www.readbyqxmd.com/read/28474484/hyaluronan-keeps-mesenchymal-stem-cells-quiescent-and-maintains-the-differentiation-potential-over-time
#15
Tzyy Yue Wong, Chiung-Hsin Chang, Chen-Hsiang Yu, Lynn L H Huang
Hyaluronan (HA), an abundant polysaccharide found in human bodies, plays a role in the mesenchymal stem cells (MSCs) maintenance. We had previously found that HA prolonged the lifespan, and prevented the cellular aging of murine adipose-derived stromal cells. Recently, we had also summarized the potential pathways associated with HA regulation in human MSCs. In this study, we used the human placenta-derived MSCs (PDMSC) to investigate the effectiveness of HA in maintaining the PDMSC. We found that coating the culture surface coated with 30 μg cm(-2) of HA (C) led to cluster growth of PDMSC, and maintained a higher number of PDMSC in quiescence compared to those grown on the normal tissue culture surface (T)...
June 2017: Aging Cell
https://www.readbyqxmd.com/read/28467727/a-novel-strategy-to-enhance-secretion-of-ecm-components-by-stem-cells-relevance-to-tissue-engineering
#16
Navaneethakrishnan Krishnamoorthy, Yuan-Tsan Tseng, Poornima Gajendrarao, Padmini Sarathchandra, Ann McCormack, Ivan Carubelli, Jerome Sohier, Najma Latif, Adrian Chester, Magdi H Yacoub
The ability of cells to secrete extracellular matrix (ECM) proteins is an important property in the repair, replacement and regeneration of living tissue. Cells that populate a tissue engineered constructs need to be able to emulate these functions. The motif KTTKS or palmitoyl-KTTKS (peptide amphiphile) have been shown to stimulate the production of collagen and fibronectin in differentiated cells. In here, we described a strategy to enhance the productivity of the peptide through molecular modeling that was used to design different forms of the active peptide motifs KTTKS/SKTTK/SKTTKS connected by various hydrophobic linkers, V<sub>4</sub>A<sub>3</sub>/V<sub>4</sub>A<sub>2</sub>/A<sub>4</sub>G<sub>3</sub>...
May 3, 2017: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/28461471/lsd1-prevents-age-programed-loss-of-beige-adipocytes
#17
Delphine Duteil, Milica Tosic, Dominica Willmann, Anastasia Georgiadi, Toufike Kanouni, Roland Schüle
Aging is accompanied by major changes in adipose tissue distribution and function. In particular, with time, thermogenic-competent beige adipocytes progressively gain a white adipocyte morphology. However, the mechanisms controlling the age-related transition of beige adipocytes to white adipocytes remain unclear. Lysine-specific demethylase 1 (Lsd1) is an epigenetic eraser enzyme positively regulating differentiation and function of adipocytes. Here we show that Lsd1 levels decrease in aging inguinal white adipose tissue concomitantly with beige fat cell decline...
May 1, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28455842/body-frame-size-in-school-children-is-related-to-the-amount-of-adipose-tissue-in-different-depots-but-not-to-adipose-distribution
#18
Francisco J Guzmán-de la Garza, Alejandra E González Ayala, Marisol Gómez Nava, Leislie I Martínez Monsiváis, Ana M Salinas Martínez, Erik Ramírez López, Alvaro Mathiew Quirós, Francisco Garcia Quintanilla
OBJECTIVES: The main aim of this study was to test the hypothesis that body frame size is related to the amount of fat in different adipose tissue depots and to fat distribution in schoolchildren. METHODS: Children aged between 5 and 10 years were included in this cross-sectional study (n = 565). Body frame size, adiposity markers (anthropometric, skinfolds thickness, and ultrasound measures), and fat distribution indices were analyzed. Correlation coefficients adjusted by reliability were estimated and analyzed by sex; the significance of the difference between two correlation coefficients was assessed using the Fisher z-transformation...
April 28, 2017: American Journal of Human Biology: the Official Journal of the Human Biology Council
https://www.readbyqxmd.com/read/28453512/a-reproducible-semi-automatic-method-to-quantify-the-muscle-lipid-distribution-in-clinical-3d-ct-images-of-the-thigh
#19
Alexander Mühlberg, Oleg Museyko, Jean-Denis Laredo, Klaus Engelke
Many studies use threshold-based techniques to assess in vivo the muscle, bone and adipose tissue distribution of the legs using computed tomography (CT) imaging. More advanced techniques divide the legs into subcutaneous adipose tissue (SAT), anatomical muscle (muscle tissue and adipocytes within the muscle border) and intra- and perimuscular adipose tissue. In addition, a so-called muscle density directly derived from the CT-values is often measured. We introduce a new integrated approach to quantify the muscle-lipid system (MLS) using quantitative CT in patients with sarcopenia or osteoporosis...
2017: PloS One
https://www.readbyqxmd.com/read/28452589/lysyl-oxidase-propeptide-promotes-adipogenesis-through-inhibition-of-fgf-2-signaling
#20
John D Griner, Carl J Rogers, Mei-Jun Zhu, Min Du
Lysyl oxidase (LOX) catalyzes the oxidative deamination of lysine residues in collagen and elastin, key components of connective tissue. LOX is synthesized as an inactive 50 kD pre-proenzyme, and secreted to the extracellular matrix where it is cleaved into an active 32 kD LOX, and an 18kD free propeptide (LOX-PP), purportedly an inhibitor of fibroblast growth factor-2 (FGF-2) signaling. Given that adipocytes are distributed inside the connective tissue, it is likely that LOX-PP has an important regulatory role in adipogenesis, which has not been studied...
January 2, 2017: Adipocyte
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