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https://www.readbyqxmd.com/read/28110314/long-term-exposure-to-a-butter-rich-diet-induces-mild-to-moderate-steatosis-in-chang-liver-cells-and-swiss-albino-mice-models
#1
Thomas John Philip Nalloor, Nitesh Kumar, Kasinathan Narayanan, Vasanth Raj Palanimuthu
BACKGROUND: Butter is one of the widely used fats present in the diet. However, there is no satisfactory study available that evaluates the effect of a high-fat diet containing butter as the principal fat on the development of non-alcoholic fatty liver disease (NAFLD). METHODS: In the present study, butter was used for the development of steatosis in Chang liver cells in an in vitro study and Swiss albino mice in an in vivo study. In vitro steatosis was established, and butter was compared with oleic acid in Chang liver cells using an oil red O (ORO)-based colorimetric assay...
January 23, 2017: Journal of Basic and Clinical Physiology and Pharmacology
https://www.readbyqxmd.com/read/28109598/identification-and-analysis-of-the-expression-of-microrna-from-lactating-and-nonlactating-mammary-glands-of-the-chinese-swamp-buffalo
#2
Xiaoyan Cai, Qingyou Liu, Xiaoxi Zhang, Yanping Ren, Xiaocan Lei, Sheng Li, Qiuping Chen, Kai Deng, Ping Wang, Haihang Zhang, Deshun Shi
To study the role of microRNA (miR) in the lactation physiology of water buffalo, 2 multiparous dairy buffaloes (including an 8-yr-old buffalo that had been lactating for 3 mo, as well as a 10-yr-old nonlactating, nonpregnant buffalo) were used for miR library construction. The profile of differentially expressed miR in lactating and nonlactating mammary gland tissues of these water buffalo were investigated using Illumina-Solexa high-throughput sequencing technology (Illumina, San Diego, CA). The data identified 259 miR families, 359 mature miR, 363 pre-miR, 230 novel buffalo miR, and 5 buffalo-specific miR that were expressed in mammary tissues...
January 18, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28109596/genotype-by-environment-climate-interaction-improves-genomic-prediction-for-production-traits-in-us-holstein-cattle
#3
F Tiezzi, G de Los Campos, K L Parker Gaddis, C Maltecca
Genotype by environment interaction (G × E) in dairy cattle productive traits has been shown to exist, but current genetic evaluation methods do not take this component into account. As several environmental descriptors (e.g., climate, farming system) are known to vary within the United States, not accounting for the G × E could lead to reranking of bulls and loss in genetic gain. Using test-day records on milk yield, somatic cell score, fat, and protein percentage from all over the United States, we computed within herd-year-season daughter-yield deviations for 1,087 Holstein bulls and regressed them on genetic and environmental information to estimate variance components and to assess prediction accuracy...
January 18, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28109150/-isolation-culture-and-identification-of-adipose-derived-stem-cells-from-sd-rat-adipose-tissues-subjected-to-long-term-cryopreservation
#4
Qin Liu, Liping Wang, Fang Chen, Yi Zhang
Objective To study the feasibility of isolation and culture of adipose-derived stem cells (ADSCs) from SD rat adipose tissues subjected to long-term cryopreservation. Methods We took inguinal fat pads from healthy SD rats. Adipose tissues were stored with 100 mL/L dimethyl sulfoxide (DMSO) combined with 900 mL/L fetal bovine serum (FBS) in liquid nitrogen. Three months later, the adipose tissues were resuscitated for the isolation and culture of ADSCs. The growth status and morphology were observed. The growth curve and cell surface markers CD29, CD45, CD90 of the 3rd passage cells were analyzed respectively by CCK-8 assay and immunocytochemistry...
February 2017: Xi Bao Yu Fen Zi Mian Yi Xue za Zhi, Chinese Journal of Cellular and Molecular Immunology
https://www.readbyqxmd.com/read/28109149/-indirect-coculture-of-human-infrapatellar-fat-pad-derived-stem-cells-with-osteoarthritic-chondrocytes-induces-their-chondrogenesis
#5
Junjun Yang, Cheng Chen, Liu Yang, Xiongbo Song, Wenbin Xie, Shu Huang, Baorong Liu
Objective To promote phenotype recovery of osteoarthritic articular chondrocytes (OACs) and induce chondrogenic differentiation of infrapatellar fat pad-derived stem cells (IPFPSCs) by indirectly coculturing these two types of cells. Methods The OACs and IPFPSCs were isolated and cultured in vitro. This experiment included single IPFPSCs group, single OACs group, and coculture group. After cells were cultured in vitro with chondrogenic medium for 21 days, the chondrocyte phenotypes were determined by HE staining (cell morphology), Alcian blue staining (glycosaminoglycan content) and immunofluorescence cytochemistry (collagen 1, collagen 2, collagen 3, aggrecan, SOX9)...
February 2017: Xi Bao Yu Fen Zi Mian Yi Xue za Zhi, Chinese Journal of Cellular and Molecular Immunology
https://www.readbyqxmd.com/read/28109017/clostridium-butyricum-b1-alleviates-high-fat-diet-induced-steatohepatitis-in-mice-via-enterohepatic-immunoregulation
#6
Da Zhou, Qin Pan, Xiao-Lin Liu, Rui-Xu Yang, Yuan-Wen Chen, Chang Liu, Jian-Gao Fan
BACKGROUND AND AIM: Enterohepatic immunologic derangement is associated with nonalcoholic steatohepatitis (NASH). Here, we investigated whether Clostridium butyricum B1 (CB) would be an effective immune-targeted substance to attenuate steatohepatitis in mice. METHODS: Thirty mice were randomized into a control group fed with common forage, a high-fat diet (HFD) group fed a HFD for 16 weeks, and a HFD + CB group treated with CB for the latter 8 weeks. Inflammation- or metabolism-associated genes in the liver or epididymal fat tissue were quantified, intrahepatic and intestinal immune factors were detected...
January 20, 2017: Journal of Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28108956/post-implantation-fate-of-adipogenic-induced-mesenchymal-stem-cells-on-type-i-collagen-scaffold-in-a-rat-model
#7
Balu Venugopal, Francis B Fernandez, V S Harikrishnan, Annie John
Regenerative medicine via its application in soft tissue reconstruction through novel methods in adipose tissue engineering (ATE) has gained remarkable attention and investment despite simultaneous reports on clinical incidence of graft resorption and impaired vascularization. The underlying malaise here once identified may play a critical role in optimizing implant function. Our work attempts to determine the fate of donor cells and the implant in recipient micro environment using adipose-derived mesenchymal stem cells (ASCs) on a type I collagen sponge, an established scaffold for ATE...
February 2017: Journal of Materials Science. Materials in Medicine
https://www.readbyqxmd.com/read/28108608/macrophage-proliferation-sustains-adipose-tissue-inflammation-in-formerly-obese-mice
#8
Brian F Zamarron, Taleen A Mergian, Kae Won Cho, Gabriel Martinez-Santibanez, Danny Luan, Kanakadurga Singer, Jennifer L DelProposto, Lynn M Geletka, Lindsey A Muir, Carey N Lumeng
Obesity causes dramatic proinflammatory changes in the adipose tissue immune environment, but relatively little is known regarding how this inflammation responds to weight loss (WL). To understand the mechanisms by which meta-inflammation resolves during WL, we examined adipose tissue leukocytes in mice after withdrawal of a high-fat diet. After 8 weeks of WL, mice achieved similar weights and glucose tolerance values as age-matched lean controls but showed abnormal insulin tolerance. Despite fat mass normalization, total and CD11c(+) adipose tissue macrophage (ATM) content remained elevated in WL mice for up to 6 months and was associated with persistent fibrosis in adipose tissue...
February 2017: Diabetes
https://www.readbyqxmd.com/read/28108216/the-phenomenon-of-atherosclerosis-reversal-and-regression-lessons-from-animal-models
#9
REVIEW
Dimitry A Chistiakov, Veronika A Myasoedova, Victor V Revin, Alexander N Orekhov, Yuri V Bobryshev
Studies in non-rodent and murine models showed that atherosclerosis can be reversed. Atherosclerosis progression induced by high-fat or cholesterol-rich diet can be reduced and reversed to plaque regression after switching to a normal diet or through administration of lipid-lowering agents. The similar process should exist in humans after implementation of lipid-lowering therapy and as a result of targeting of small rupture-prone plaques that are major contributors for acute atherosclerotic complications. Lowering of low density lipoprotein (LDL) cholesterol and the activation of reverse cholesterol transport lead to a decline in foam cell content, to the depletion of plaque lipid reservoirs, a decrease in lesional macrophage numbers through the activation of macrophage emigration and, probably, apoptosis, dampening plaque inflammation, and the induction of anti-inflammatory macrophages involved in clearance of the necrotic core and plaque healing...
January 17, 2017: Experimental and Molecular Pathology
https://www.readbyqxmd.com/read/28107636/visceral-white-adipose-tissue-following-chronic-intermittent-and-sustained-hypoxia-in-mice
#10
David Gozal, Alex Gileles-Hillel, Rene Cortese, Yan Li, Isaac Almendros, Zhuanhong Qiao, Ahamed A Khalyfa, Jorge Andrade, Abdelnaby Khalyfa
BACKGROUND: Angiogenesis, a process induced by hypoxia in visceral white adipose tissue (vWAT) in the context of obesity, mediates obesity-induced metabolic dysfunction and insulin resistance. Chronic intermittent hypoxia (IH) and sustained hypoxia (SH) induce body weight reductions and insulin resistance of differing magnitude, suggesting different HIF-1α-related activity. METHODS: 8-week old male C57BL/6J mice (n=10-12/group) were exposed to either IH, SH,or room air (RA)...
January 20, 2017: American Journal of Respiratory Cell and Molecular Biology
https://www.readbyqxmd.com/read/28106629/heat-shock-protein-70-overexpression-in-adipose-derived-stem-cells-enhances-fat-graft-survival
#11
Hao Feng, Lihong Qiu, Teng Zhang, Houyou Yu, Xianjie Ma, Yingjun Su, Hui Zheng, Yong Wang, Chenggang Yi
BACKGROUND: Autologous fat grafting is a prevalent technique used for soft-tissue augmentation; however, the poor survival rate of the grafted tissue remains a drawback of this method. Although adipose-derived stem cells (ASCs) are an attractive candidate for enhancing graft retention, the poor posttransplantation viability of these cells limits their application. Here we investigated whether overexpression of the antiapoptotic protein heat-shock protein 70 (Hsp70) could enhance ASCs' therapeutic potential for fat transplant survival...
January 19, 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/28106169/inhibition-of-nucks-facilitates-corneal-recovery-following-alkali-burn
#12
Ming-Wai Poon, Dan Jiang, Peng Qin, Yuelin Zhang, Beiying Qiu, Sumit Chanda, Vinay Tergaonkar, Qing Li, Ian Y Wong, Zhendong Yu, Hung-Fat Tse, David S H Wong, Qizhou Lian
Corneal wound healing involves a complex cascade of cytokine-controlled cellular events, including inflammatory and angiogenesis responses that are regulated by transcriptional chromatin remodeling. Nuclear Ubiquitous Casein and cyclin-dependent Kinase Substrate (NUCKS) is a key chromatin modifier and transcriptional regulator of metabolic signaling. In this study, we investigated the role of NUCKS in corneal wound healing by comparing its effects on corneal alkali burn in NUCKS knockout (NKO) and NUCKS wild-type (NWT) mice...
January 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28106137/ameliorative-effects-of-compound-k-and-ginsenoside-rh1-on-non-alcoholic-fatty-liver-disease-in-rats
#13
Xu-Jia Chen, Wen-Jing Liu, Meng-Liang Wen, Hong Liang, Shao-Mei Wu, Yun-Zhen Zhu, Jiang-Yuan Zhao, Xiang-Qian Dong, Ming-Gang Li, Li Bian, Cheng-Gang Zou, Lan-Qing Ma
Non-alcoholic fatty liver disease (NAFLD) is a common liver disease, which has no standard treatment available. Panax notoginseng saponines (PNS) have recently been reported to protect liver against hepatocyte injury induced by ethanol or high fat diet (HFD) in rats. Compound K and ginsenoside Rh1 are the main metabolites of PNS. In this study, we evaluated the effects of CK and Rh1 on NAFLD. Rats fed HFD showed significant elevations in liver function markers, lipids, glucose tolerance, and insulin resistance...
January 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28105139/baicalin-promotes-cholesterol-efflux-by-regulating-the-expression-of-sr-bi-in-macrophages
#14
Renchao Yu, Yuexia Lv, Juanling Wang, Nana Pan, Rui Zhang, Xiaxia Wang, Haichu Yu, Lijuan Tan, Yunhe Zhao, Bo Li
Intake of a high dosage of baicalin has previously been shown to attenuate hyperlipidemia induced by a high-fat diet. Baicalin functions as an activator of peroxisome proliferator-activated receptor-γ (PPAR-γ), which is the key regulator of reverse cholesterol transport (RCT). The present study aimed to test the hypothesis that baicalin could promote cholesterol efflux in macrophages through activating PPAR-γ. Phorbol 12-myristate 13-acetate-stimulated THP-1 cells were treated with oxidized low-density lipoprotein and ((3)H)-cholesterol for 24 h, and the effects of baicalin on cholesterol efflux were evaluated in the presence of apolipoprotein A-1 (ApoA-1), or high-density lipoprotein subfraction 2 (HDL2) or subfraction 3 (HDL3)...
December 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28104916/trpv1-activation-counters-diet-induced-obesity-through-sirtuin-1-activation-and-prdm-16-deacetylation-in-brown-adipose-tissue
#15
P Baskaran, V Krishnan, K Fettel, P Gao, Z Zhu, J Ren, B Thyagarajan
BACKGROUND/OBJECTIVE: An imbalance between energy intake and expenditure leads to obesity. Increasing metabolism and thermogenesis in brown adipose tissue (BAT) can help in overcoming obesity. Here, we investigated the effect of activation of transient receptor potential vanilloid subfamily 1 (TRPV1) in the upregulation of thermogenic proteins in BAT to counter diet-induced obesity. SUBJECTS/METHODS: We investigated the effect of dietary supplementation of capsaicin (TRPV1 agonist) on the expression of metabolically important thermogenic proteins in BAT of wild type and TRPV1(-/-) mice that received either a normal chow or high fat (±capsaicin; TRPV1 activator) diet by immunoblotting...
January 20, 2017: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/28104798/central-metabolic-sensing-remotely-controls-nutrient-sensitive-endocrine-response-in-drosophila-via-sir2-sirt1-upd2-iis-axis
#16
Kushal K Banerjee, Rujuta S Deshpande, Pranavi Koppula, Champakali Ayyub, Ullas Kolthur-Seetharam
Endocrine signaling is central in coupling organismal nutrient status with maintenance of systemic metabolic homeostasis. While local nutrient sensing within the insulinogenic tissue is well-studied, distant mechanisms that relay organismal nutrient status in controlling metabolic-endocrine signaling are less understood. Here, we report a novel mechanism underlying the distant regulation of metabolic endocrine response in Drosophila melanogaster. We show that the communication between fat-body and insulin producing cells (IPCs), important for the secretion of dILPs, is regulated by the master metabolic sensor Sir2/Sirt1...
January 19, 2017: Journal of Experimental Biology
https://www.readbyqxmd.com/read/28103995/-advances-in-the-research-of-prevention-and-treatment-of-postburn-contractures-of-hand
#17
K A Wang, G S Wu, Y Sun, Z F Xia
Scar contracture deformity, which can lead to dysfunction of hand and low quality of life, is one of the common complication after hand burns. The prevention measures of scar contracture after hand burns include large skin grafting, prevention of infection, insistence on wearing pressure gloves, use of silicone sheets, wearing orthosis, accepting proper physical therapy, and early functional exercise. The primary treatments of postburn contractures of the hand are surgery, drugs, laser treatment, and rehabilitation therapy...
January 20, 2017: Zhonghua Shao Shang za Zhi, Zhonghua Shaoshang Zazhi, Chinese Journal of Burns
https://www.readbyqxmd.com/read/28103936/elevated-collagen-i-augments-tumor-progressive-signals-intravasation-and-metastasis-of-prolactin-induced-estrogen-receptor-alpha-positive-mammary-tumor-cells
#18
Craig E Barcus, Kathleen A O'Leary, Jennifer L Brockman, Debra E Rugowski, Yuming Liu, Nancy Garcia, Menggang Yu, Patricia J Keely, Kevin W Eliceiri, Linda A Schuler
BACKGROUND: The development and progression of estrogen receptor alpha positive (ERα+) breast cancer has been linked epidemiologically to prolactin. However, activation of the canonical mediator of prolactin, STAT5, is associated with more differentiated cancers and better prognoses. We have reported that density/stiffness of the extracellular matrix potently modulates the repertoire of prolactin signals in human ERα + breast cancer cells in vitro: stiff matrices shift the balance from the Janus kinase (JAK)2/STAT5 cascade toward pro-tumor progressive extracellular regulated kinase (ERK)1/2 signals, driving invasion...
January 19, 2017: Breast Cancer Research: BCR
https://www.readbyqxmd.com/read/28103886/t-cadherin-deficiency-increases-vascular-vulnerability-in-t2dm-through-impaired-no-bioactivity
#19
Han Wang, Ling Tao, Anastasia Ambrosio, Wenjun Yan, Ross Summer, Wayne Bond Lau, Yajing Wang, Xinliang Ma
BACKGROUND: Endothelial dysfunction plays a critical role in the development of type 2 diabetes (T2DM). T-cadherin (T-cad) has gained recognition as a regulator of endothelial cell (EC) function. The present study examined whether T-cad deficiency increases vascular vulnerability in T2DM. METHODS: Vascular segments were isolated from WT or T-cad knockout mice. Endothelial function, total NO accumulation, and the expression of T-cad related proteins were determined...
January 19, 2017: Cardiovascular Diabetology
https://www.readbyqxmd.com/read/28103301/differences-in-beef-quality-between-angus-bos-taurus-taurus-and-nellore-bos-taurus-indicus-cattle-through-a-proteomic-and-phosphoproteomic-approach
#20
Rafael Torres de Souza Rodrigues, Mario Luiz Chizzotti, Camilo Elber Vital, Maria Cristina Baracat-Pereira, Edvaldo Barros, Karina Costa Busato, Rafael Aparecido Gomes, Márcio Machado Ladeira, Taiane da Silva Martins
Proteins are the major constituents of muscle and are key molecules regulating the metabolic changes during conversion of muscle to meat. Brazil is one of the largest exporters of beef and most Brazilian cattle are composed by zebu (Nellore) genotype. Bos indicus beef is generally leaner and tougher than Bos taurus such as Angus. The aim of this study was to compare the muscle proteomic and phosphoproteomic profile of Angus and Nellore. Seven animals of each breed previously subjected the same growth management were confined for 84 days...
2017: PloS One
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