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https://www.readbyqxmd.com/read/29222412/ancestral-perinatal-obesogen-exposure-results-in-a-transgenerational-thrifty-phenotype-in-mice
#1
Raquel Chamorro-Garcia, Carlos Diaz-Castillo, Bassem M Shoucri, Heidi Käch, Ron Leavitt, Toshi Shioda, Bruce Blumberg
Ancestral environmental exposures to non-mutagenic agents can exert effects in unexposed descendants. This transgenerational inheritance has significant implications for understanding disease etiology. Here we show that exposure of F0 mice to the obesogen tributyltin (TBT) throughout pregnancy and lactation predisposes unexposed F4 male descendants to obesity when dietary fat is increased. Analyses of body fat, plasma hormone levels, and visceral white adipose tissue DNA methylome and transcriptome collectively indicate that the F4 obesity is consistent with a leptin resistant, thrifty phenotype...
December 8, 2017: Nature Communications
https://www.readbyqxmd.com/read/29222347/pioglitazone-inhibits-periprostatic-white-adipose-tissue-inflammation-in-obese-mice
#2
Miki Miyazawa, Kotha Subbaramaiah, Priya Bhardwaj, Xi K Zhou, Hanhan Wang, Domenick J Falcone, Dilip D Giri, Andrew J Dannenberg
Obesity is associated with an increased incidence of high-grade prostate cancer (PC) and poor prognosis for PC patients. Recently, we showed that obesity-related periprostatic white adipose tissue (WAT) inflammation, characterized by crown-like structures (CLS) consisting of dead or dying adipocytes surrounded by macrophages, was associated with high-grade PC. It's possible, therefore, that agents that suppress periprostatic WAT inflammation will alter the development or progression of PC. Pioglitazone, a ligand of PPARγ is used to treat diabetes and possesses anti-inflammatory properties...
December 8, 2017: Cancer Prevention Research
https://www.readbyqxmd.com/read/29222346/adiposity-inflammation-and-breast-cancer-pathogenesis-in-asian-women
#3
Neil M Iyengar, I-Chun Chen, Xi K Zhou, Dilip D Giri, Domenick J Falcone, Lisle A Winston, Hanhan Wang, Samantha Williams, Yen-Shen Lu, Tsu-Hsin Hsueh, Ann-Lii Cheng, Clifford A Hudis, Ching-Hung Lin, Andrew J Dannenberg
Obesity is associated with white adipose tissue (WAT) inflammation in the breast, elevated levels of the estrogen biosynthetic enzyme, aromatase, and systemic changes that predispose to breast cancer development. We examined whether WAT inflammation and its associated systemic effects correlate with body fat levels in an Asian population where body mass index (BMI) is not an accurate assessment of obesity and cancer risk. We also investigated whether biologic differences could account for the greater proportion of premenopausal estrogen receptor (ER)-positive breast cancer in Asian versus western countries...
December 8, 2017: Cancer Prevention Research
https://www.readbyqxmd.com/read/29222051/long-term-fermented-soybean-paste-improves-metabolic-parameters-associated-with-non-alcoholic-fatty-liver-disease-and-insulin-resistance-in-high-fat-diet-induced-obese-mice
#4
Min-Seok Kim, Bobae Kim, Haryung Park, Yosep Ji, Wilhelm Holzapfel, Do-Young Kim, Chang-Kee Hyun
Recently, Korean traditional fermented soybean paste, called Doenjang, has attracted attention for its protective effect against diet-related chronic diseases such as obesity and type 2 diabetes. Long-term fermented soybean pastes (LFSPs) are made by fermentation with naturally-occurring microorganisms for several months, whereas short-term fermented soybean pastes (SFSPs) are produced by shorter-time fermentation inoculated with a starter culture. Here, we demonstrate that administration of LFSP, but not SFSP, protects high-fat diet (HFD)-fed obese mice against non-alcohol fatty liver disease (NAFLD) and insulin resistance...
December 5, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29221731/white-adipose-tissue-is-a-reservoir-for-memory-t-cells-and-promotes-protective-memory-responses-to-infection
#5
Seong-Ji Han, Arielle Glatman Zaretsky, Vinicius Andrade-Oliveira, Nicholas Collins, Amiran Dzutsev, Jahangheer Shaik, Denise Morais da Fonseca, Oliver J Harrison, Samira Tamoutounour, Allyson L Byrd, Margery Smelkinson, Nicolas Bouladoux, James B Bliska, Jason M Brenchley, Igor E Brodsky, Yasmine Belkaid
White adipose tissue bridges body organs and plays a fundamental role in host metabolism. To what extent adipose tissue also contributes to immune surveillance and long-term protective defense remains largely unknown. Here, we have shown that at steady state, white adipose tissue contained abundant memory lymphocyte populations. After infection, white adipose tissue accumulated large numbers of pathogen-specific memory T cells, including tissue-resident cells. Memory T cells in white adipose tissue expressed a distinct metabolic profile, and white adipose tissue from previously infected mice was sufficient to protect uninfected mice from lethal pathogen challenge...
November 30, 2017: Immunity
https://www.readbyqxmd.com/read/29221725/protective-effects-of-polyphenol-rich-infusions-from-carob-ceratonia-siliqua-leaves-and-cladodes-of-opuntia-ficus-indica-against-inflammation-associated-with-diet-induced-obesity-and-dss-induced-colitis-in-swiss-mice
#6
Ikram Aboura, Abdelhafid Nani, Meriem Belarbi, Babar Murtaza, Aurélie Fluckiger, Adélie Dumont, Chahid Benammar, Moufida Saidani Tounsi, François Ghiringhelli, Mickaël Rialland, Naim Akhtar Khan, Aziz Hichami
In the present study, we have investigated the effects of polyphenol-rich infusions from carob leaves and OFI-cladodes on inflammation associated with obesity and dextran sulfate sodium (DSS)-induced ulcerative colitis in Swiss mice. In vitro studies revealed that aqueous extracts of carob leaves and OFI-cladodes exhibited anti-inflammatory properties marked by the inhibition of IL-6, TNF-α and nitric oxide (NO) production in lipopolysaccharide (LPS)-stimulated RAW 264.7 cells concomitant with NF-κβ nucleus translocation inhibition...
December 6, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29221711/sitosterol-prevents-obesity-related-chronic-inflammation
#7
Makoto Kurano, Koji Hasegawa, Motoei Kunimi, Masumi Hara, Yutaka Yatomi, Tamio Teramoto, Kazuhisa Tsukamoto
The physiological roles of phytosterols in chronic inflammation, which are believed to be involved in the underlying mechanisms for metabolic diseases, have yet to be elucidated. Therefore, in the present study, we aimed to elucidate the physiological roles of phytosterols in both clinical studies and animal experiments. We observed the existence of rather specific negative correlations between the serum sitosterol level and the serum IL-6 and the TNF-α levels in both diabetic subjects (n=46) and non-diabetic subjects (n=178)...
December 5, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/29221682/effects-of-fructose-consumption-on-food-intake-and-biochemical-and-body-parameters-in-wistar-rats
#8
Viviane Wagner Ramos, Leandro Oliveira Batista, Kelse Tibau Albuquerque
INTRODUTION AND OBJECTIVE: Increased fructose consumption is associated with various metabolic changes that favor the onset of obesity and related comorbidities. The objective of this study was to assess the effects of chronic fructose consumption on body weight and adipose tissue, as well as on serum glucose and triglyceride levels. METHODS: Thirty-day-old Wistar rats were divided into two groups: fructose (F) and control (C), which had free access to commercial chow and either water or a 20% fructose solution...
December 5, 2017: Portuguese Journal of Cardiology: An Official Journal of the Portuguese Society of Cardiology
https://www.readbyqxmd.com/read/29221131/hoxa5-increases-mitochondrial-apoptosis-by-inhibiting-akt-mtorc1-s6k1-pathway-in-mice-white-adipocytes
#9
Fei Feng, Qian Ren, Song Wu, Muhammad Saeed, Chao Sun
Homeobox A5(Hoxa5), a member of the Hox family, plays a important role in the regulation of proliferation and apoptosis in cancer cells. The dysregulation of the adipocyte apoptosis in vivo leads to obesity and metabolic disorders. However, the effects of Hoxa5 on adipocyte apoptosis are still unknown. In this study, palmitic acid (PA) significantly increased the mRNA level of Hoxa5 and triggered white adipocyte apoptosis in vivo and in vitro. Further analysis revealed that Hoxa5 enhanced the early and late apoptotic cells and fragmentation of genomic DNA in adipocytes from inguinal white adipose tissue (iWAT) of mice...
November 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/29220530/impaired-lipolysis-diminished-fat-oxidation-and-metabolic-inflexibility-in-obese-girls-with-polycystic-ovary-syndrome
#10
Joon Young Kim, Hala Tfayli, Sara F Michaliszyn, Silva Arslanian
CONTEXT: Metabolic flexibility reflects the ability to switch from lipid to carbohydrate oxidation during insulin stimulation manifested in increased respiratory quotient (RQ). Despite insulin resistance in glucose metabolism in PCOS women and adolescents, little is known about adipose tissue metabolism and metabolic flexibility. OBJECTIVE: To investigate whole-body lipolysis, substrate oxidation and metabolic flexibility in obese PCOS vs. non-PCOS girls. PATIENTS/DESIGN: Twenty-one obese (BMI 32...
December 6, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29220483/prenatal-exposure-to-bisphenol-a-disrupts-naturally-occurring-bimodal-dna-methylation-at-proximal-promoter-of-fggy-an-obesity-relevant-gene-encoding-a-carbohydrate-kinase-in-gonadal-white-adipose-tissues-of-cd-1-mice
#11
Julia A Taylor, Keiko Shioda, Shino Mitsunaga, Shiomi Yawata, Brittany M Angle, Susan C Nagel, Frederick S Vom Saal, Toshi Shioda
Exposure of mammalian fetuses to endocrine disruptors can increase the risk of adult-onset diseases. For example, we previously showed that exposure of mouse fetuses to bisphenol A (BPA) caused adult-onset obesity. To obtain insights into roles of epigenetic changes in the delayed toxic effects of endocrine disruption, we determined effects of fetal mouse exposure to BPA on genome-wide DNA methylation and mRNA expression in gonadal white adipose tissues by deep sequencing (MBD-seq and RNA-seq), bisulfite pyrosequencing, and real-time qPCR...
December 6, 2017: Endocrinology
https://www.readbyqxmd.com/read/29220408/comparison-of-goto-kakizaki-rats-and-high-fat-diet-induced-obese-rats-are-they-reliable-models-to-study-type-2-diabetes-mellitus
#12
Wilson Mitsuo Tatagiba Kuwabara, Ana Carolina Panveloski-Costa, Caroline Naomi Fukusawa Yokota, Joice Naiara Bertaglia Pereira, Jorge Mancini Filho, Rosangela Pavan Torres, Sandro Massao Hirabara, Rui Curi, Tatiana Carolina Alba-Loureiro
Type 2 Diabetes mellitus (T2DM) is an evident growing disease that affects different cultures throughout the world. T2DM occurs under the influence of three main factors: the genetic background, environmental and behavioral components. Obesity is strongly associated to the development of T2DM in the occident, while in the orient most of the diabetic patients are considered lean. Genetics may be a key factor in the development of T2DM in societies where obesity is not a recurrent public health problem. Herein, two different models of rats were used to understand their differences and reliability as experimental models to study the pathophysiology of T2DM, in two different approaches: the genetic (GK rats) and the environmental (HFD-induced obese rats) influences...
2017: PloS One
https://www.readbyqxmd.com/read/29219006/distribution-and-quantitative-analysis-of-cidea-and-cidec-in-broiler-chickens-accounting-for-differential-fat-deposition-between-strains
#13
J Huang, L Huang, Q Zeng, E Huang, H Liang, Q Wei, X Xie, J Ruan
1. Differences in the expression of CIDEa and CIDEc in 20 different tissues were examined. Both CIDEa and CIDEc mRNA transcripts were predominantly but variably expressed in white adipose tissue (WAT) but were also expressed at moderate levels in the kidney and liver and at lower levels in the ovary. Interestingly, among white adipose tissue types, both CIDEa and CIDEc were expressed at the lowest levels in hWAT (heart coronary white adipose tissue). 2. To better understand the roles of CIDEa and CIDEc in the fat deposition of broiler chickens, the differences in lipid droplet size and mRNA levels of CIDEa and CIDEc between lean-type and fat-type broiler chicken lines was studied...
December 8, 2017: British Poultry Science
https://www.readbyqxmd.com/read/29218529/quantification-of-cell-surface-glucose-transporters-in-the-heart-using-a-biotinylated-photolabeling-assay
#14
Zahra Maria, Véronique A Lacombe
The biotinylated photolabeling assay enables quantification of cell-surface glucose transporters (GLUTs). This technique has been successfully applied to quantify the cell-surface GLUT protein content in striated muscles and adipose tissue, as a means to evaluate GLUT trafficking. Here, we describe the detailed method of quantifying the cell-surface content of several GLUT isoforms (1, 4, 8, and 12) in isolated cardiac myocytes, as well as in the intact perfused atria and ventricle.
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29218427/the-role-of-nonautologous-and-autologous-adipose-derived-mesenchymal-stem-cell-in-acute-pyelonephritis
#15
Shabnam Sabetkish, Nastaran Sabetkish, Mahba Ataei Talebi, Shahnaz Halimi, Abdol-Mohammad Kajbafzadeh
We compared the therapeutic effects of autologous and nonautologous adipose-derived mesenchymal stem cell (ADMSC), in ameliorating the renal function in a rabbit model of acute pyelonephritis. The difference of perirenal and neck subcutaneous ADMSCs were also evaluated. Twenty female rabbits were apportioned to 5 groups. In group I (n = 4), the rabbits were injected direct inoculation of Escherichia coli (E. coli) into the right kidney. In group II (n = 4), autologous ADMSCs obtained from nape adipose tissue were injected into the subcapsular space 1 week after E...
December 7, 2017: Cell and Tissue Banking
https://www.readbyqxmd.com/read/29218288/giant-anterior-neck-lipoma-with-bleeding-pressure-ulcer-in-an-elderly-man-a-rare-entity
#16
Gaurav Jain, Ila Tyagi, Leela Pant, Namrata Nargotra
Giant lipomas are benign soft tissue tumors found rarely in the neck and are still rarer in the anterior part of the neck. A 70-year-old male patient was presented with a huge swelling measuring 35 cm in maximum dimension, in the front of the neck, reaching up till the umbilicus. The swelling was painless, slow growing and acquired the huge size in approximately 20 years. Ultrasound and CT scan findings were suggestive of a soft tissue lesion. Fine needle aspiration cytology yielded mature adipose tissue fragments...
September 2017: World Journal of Plastic Surgery
https://www.readbyqxmd.com/read/29218131/hypocalcemia-associated-with-subcutaneous-fat-necrosis-of-the-newborn-case-report-and-literature-review
#17
Alphonsus N Onyiriuka, Theodora E Utomi
Subcutaneous fat necrosis of the newborn (SCFNN) is a rare benign inflammatory disorder of the adipose tissue but may be complicated by hypercalcemia or less frequently, hypocalcemia, resulting in morbidity and mortality. Here we report the case of a neonate with subcutaneous fat necrosis who surprisingly developed hypocalcemia instead of hypercalcemia. A full-term female neonate was delivered by emergency cesarean section for fetal distress and was subsequently admitted to the Special Care Baby Unit. The mother's pregnancy was uncomplicated up to delivery...
November 2017: Oman Medical Journal
https://www.readbyqxmd.com/read/29217655/regulation-of-lipolytic-response-and-energy-balance-by-melanocortin-2-receptor-accessory-protein-mrap-in-adipocytes
#18
Xiaodong Zhang, Alicia M Saarinen, Latoya E Campbell, Elena A De Filippis, Jun Liu
MRAP is highly expressed in adrenal gland and adipose tissue. In adrenal cells, MRAP is essential for ACTH-induced activation of the cAMP/PKA pathway by melanocortin 2 receptor (MC2R), leading to glucocorticoid production and secretion. Although ACTH was known to stimulate PKA-dependent lipolysis, the functional involvement of MRAP in adipocyte metabolism remains incompletely defined. Herein, we found that knockdown or overexpression of MRAP in 3T3-L1 adipocytes reduced or increased ACTH-induced lipolysis, respectively...
December 7, 2017: Diabetes
https://www.readbyqxmd.com/read/29217197/effect-of-lncrna-hoxa11-as1-on-adipocyte-differentiation-in-human-adipose-derived-stem-cells
#19
Nuerbiye Nuermaimaiti, Jie Liu, Xiaodi Liang, Yi Jiao, Dan Zhang, Ling Liu, Xuanyu Meng, Yaqun Guan
AIMS: To determine the role of lncRNA HOXA11-AS1 on adipocyte differentiation. METHODS: Human adipose-derived stem cells (hADSCs) were isolated from adipose tissues of patients and cultured in vitro, followed by knockdown of HOXA11-AS1. Then, adipocyte differentiation and expression of adipogenic-related genes (CEBP-α, DGAT2, CIDEC, and perilipin) were measured by RT-qPCR and Western blot. RESULTS: We demonstrated that knockdown of HOXA11-AS1 inhibited adipocyte differentiation, leading to suppression of adipogenic-related gene (CEBP-α, DGAT2, CIDEC, and perilipin) transcription, as well as decreased lipid accumulation in hADSCs...
December 4, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29216525/high-refined-carbohydrate-diet-promotes-detrimental-effects-on-alveolar-bone-and-femur-microarchitecture
#20
C C Montalvany-Antonucci, M C Zicker, S Macari, T S F Pereira, I M A Diniz, I Andrade, A V M Ferreira, T A Silva
The impact of high-refined carbohydrate (HC) diet on fat accumulation, adipokines secretion and systemic inflammation is well described. However, it remains unclear whether these processes affect bone remodeling. OBJECTIVE: To investigate the effects of HC diet in the alveolar bone and femur parameters. METHODS: BalbC mice were fed with conventional chow or HC diet for 12 weeks. After experimental time maxillae, femur, blood and white adipose tissue samples were collected...
November 28, 2017: Archives of Oral Biology
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