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https://www.readbyqxmd.com/read/28195643/clinical-and-genetic-predictors-of-weight-gain-in-patients-diagnosed-with-breast-cancer
#1
Maureen Sadim, Yanfei Xu, Katharina Selig, Julie Paulus, Regina Uthe, Surbhi Agarwl, Iram Dubin, Panagiota Oikonomopoulou, Lesya Zaichenko, Silvia Aki McCandlish, Linda Van Horn, Christos Mantzoros, Donna Pauler Ankerst, Virginia G Kaklamani
BACKGROUND: Postdiagnosis weight gain in patients with breast cancer has been associated with increased cancer recurrence and mortality. This study was designed to identify risk factors for weight gain and create a predictive model to identify a high-risk population for targeted interventions. METHODS: The weight of 393 patients with breast cancer from the Northwestern Robert H. Lurie Cancer Center was measured over a 2-year period from diagnosis, with body mass index (BMI) change over 18 months as the primary endpoint...
February 14, 2017: Cancer
https://www.readbyqxmd.com/read/28188344/skeletal-muscle-secretome-in-duchenne-muscular-dystrophy-a-pivotal-anti-inflammatory-role-of-adiponectin
#2
S Lecompte, M Abou-Samra, R Boursereau, L Noel, S M Brichard
BACKGROUND: Persistent inflammation exacerbates the progression of Duchenne muscular dystrophy (DMD). The hormone, adiponectin (ApN), which is decreased in the metabolic syndrome, exhibits anti-inflammatory properties on skeletal muscle and alleviates the dystrophic phenotype of mdx mice. Here, we investigate whether ApN retains its anti-inflammatory action in myotubes obtained from DMD patients. We unravel the underlying mechanisms by studying the secretome and the early events of ApN...
February 10, 2017: Cellular and Molecular Life Sciences: CMLS
https://www.readbyqxmd.com/read/28183249/adiponectin-as-a-potential-therapeutic-target-for-prostate-cancer
#3
Hanuma Kumar Karnati, Manas Kumar Panigrahi, Yazhou Li, David Tweedie, Nigel H Greig
Adipokines are bioactive proteins that mediate proliferation, metabolism, inflammation, and angiogenesis. Adiponectin is an important adipokine that exerts multiple key functions via its anti-metabolic syndrome and anti-inflammatory properties. A number of adiponectin receptors, AdipoR1, AdipoR2 and T-cadherin, have been identified. Recent studies have suggested the involvement of adiponectin and receptors in several cancers, including prostate, breast, endometrial, brain, and colon cancer. Altered levels of adiponectin expression, or its interacting receptors, in cancers can lead to dysregulation of signaling pathways...
February 8, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28178338/the-impact-of-obesity-and-adiponectin-signaling-in-patients-with-renal-cell-carcinoma-a-potential-mechanism-for-the-obesity-paradox
#4
Ryuichi Ito, Shintaro Narita, Mingguo Huang, Taketoshi Nara, Kazuyuki Numakura, Koichiro Takayama, Hiroshi Tsuruta, Atsushi Maeno, Mitsuru Saito, Takamitsu Inoue, Norihiko Tsuchiya, Shigeru Satoh, Tomonori Habuchi
Although obesity increases the risk of renal cell carcinoma (RCC), obese patients with RCC experience longer survival than non-obese patients. However, the mechanism of this "obesity paradox" is unknown. We examined the impact of preoperative BMI, serum total adiponectin (sAd) level, total adiponectin secretion from perinephric adipose tissue, and intratumoral expression of adiponectin receptors on RCC aggressiveness and survival. We also investigated the mechanism underlying enhanced cancer aggressiveness in RCC cells stimulated with exogenous adiponectin...
2017: PloS One
https://www.readbyqxmd.com/read/28177362/effect-of-progesterone-on-adiponectin-system-in-the-porcine-uterus-during-early-pregnancy
#5
K Dobrzyn, N Smolinska, K Szeszko, M Kiezun, A Maleszka, E Rytelewska, T Kaminski
The aim of this study was to investigate the influence of progesterone (P4) on adiponectin system genes and protein expression in the endometrium and myometrium during early gestation. Twenty-five gilts were assigned to 1 of 5 groups ( = 5): d 10 to 11 (embryo migration), 12 to 13 (maternal recognition of pregnancy), 15 to 16 (implantation), and 27 to 28 (end of implantation) of pregnancy and d 10 to 11 of the cycle (fully active corpora lutea, corresponding to the corpora lutea activity during gestation). The endometrial and myometrial tissues were cut into 100 mg slices, treated with P4 (10, 100, 1000 nM) and incubated for 24 h...
January 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28145500/muscle-specific-overexpression-of-adipor1-or-adipor2-gives-rise-to-common-and-discrete-local-effects-whilst-adipor2-promotes-additional-systemic-effects
#6
Sahar Keshvari, Darren C Henstridge, Choaping Ng, Mark A Febbraio, Jonathan P Whitehead
Hypoadiponectinemia and adiponectin resistance are implicated in the aetiology of obesity-related cardiometabolic disorders, hence represent a potential therapeutic axis. Here we characterised the effects of in vivo electrotransfer-mediated overexpression of the adiponectin receptors, AdipoR1 or AdipoR2, into tibialis anterior muscle (TAM) of lean or obese mice. In lean mice, TAM-specific overexpression of AdipoR1 ((TAM)R1) or AdipoR2 ((TAM)R2) increased phosphorylation of AMPK, AKT and ERK and expression of the insulin responsive glucose transporter glut4...
February 1, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28115224/the-burden-of-obesity-in-asthma-and-copd-role-of-adiponectin
#7
REVIEW
Andrea Bianco, Ersilia Nigro, Maria Ludovica Monaco, Maria Gabriella Matera, Olga Scudiero, Gennaro Mazzarella, Aurora Daniele
The influence of obesity on development, severity and prognosis of both asthma and COPD is attracting growing interest. The impact of obesity on the respiratory system ranges from structural modifications (decline of total lung capacity) to humoral alterations. Adipose tissue strongly contributes to the establishment of an inflammatory state being an important source of adipokines. Amongst adipokines, adiponectin is an important component of organ cross talk with adipose tissue exerting protective effects on a variety of pathophysiological processes...
January 20, 2017: Pulmonary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28063235/a-critical-role-for-adiponectin-mediated-development-of-endometrial-luminal-epithelial-cells-during-the-peri-implantation-period-of-pregnancy
#8
Whasun Lim, Myung Jin Choi, Hyocheol Bae, Fuller W Bazer, Gwonhwa Song
Adiponectin is one of the adipokines in the collagen superfamily. It is secreted primarily by white adipocytes and influences reproductive processes including ovarian and uterine functions. Adiponectin regulates energy homeostasis, insulin sensitivity and is anti-inflammatory in various tissues. Its receptors (ADIPOR1 and ADIPOR2) are widely expressed in mammalian tissues, including porcine conceptuses and endometrial during the estrous cycle and peri-implantation period of pregnancy. However, regulatory effects of adiponectin on endometrial epithelial cells are unknown...
January 7, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28051329/regulation-of-the-cardioprotective-adiponectin-and-its-receptor-adipor1-by-salt
#9
Nicholas Arnold, Abuzar Mahmood, Maya Ramdas, Paul P Ehlinger, Lakshmi Pulakat
Both circulating adiponectin (APN) and cardiac APN exert cardioprotective effects and improve insulin sensitivity and mitochondrial function. Low circulating APN serves as a biomarker for cardiovascular risk. Ablation of adiponectin receptor 1 (AdipoR1) causes myocardial mitochondrial dysfunction. Although high salt intake is a contributor to cardiovascular disease, how it modulates the expression of APN or AdipoR1 in cardiomyocytes is not known. We report that APN mRNA expression was attenuated in a dose-dependent manner in mouse cardiomyocyte cell line HL-1 exposed to salt concentrations ranging from 0...
November 30, 2016: Canadian Journal of Physiology and Pharmacology
https://www.readbyqxmd.com/read/27983572/the-effect-of-selenium-supplementation-on-glucose-homeostasis-and-the-expression-of-genes-related-to-glucose-metabolism
#10
Ewa Jablonska, Edyta Reszka, Jolanta Gromadzinska, Edyta Wieczorek, Magdalena B Krol, Sara Raimondi, Katarzyna Socha, Maria H Borawska, Wojciech Wasowicz
The aim of the study was to evaluate the effect of selenium supplementation on the expression of genes associated with glucose metabolism in humans, in order to explain the unclear relationship between selenium and the risk of diabetes. For gene expression analysis we used archival samples of cDNA from 76 non-diabetic subjects supplemented with selenium in the previous study. The supplementation period was six weeks and the daily dose of selenium was 200 µg (as selenium yeast). Blood for mRNA isolation was collected at four time points: before supplementation, after two and four weeks of supplementation, and after four weeks of washout...
December 13, 2016: Nutrients
https://www.readbyqxmd.com/read/27939595/fabrication-of-size-controlled-linoleic-acid-particles-and-evaluation-of-their-in-vitro-lipotoxicity
#11
Eun-Soo Lee, Se-Hwa Kim
The biological activities of fatty acids (FAs) can differ with size even for lipids of similar compositions. The aim of this study was to develop size-controlled FA particles and to evaluate their toxicity as a function of size. Well-stabilized nano- and microscale linoleic acid (LA) were fabricated based on specific physical factors. Then, resulting LAs were characterized by size distribution, surface charge, assembly structure, composition, and serum effects. The sizes of the nano- (LAnano) and microscale (LAmicro) LAs, determined by electron microscopy, were 109 nm and 12 μm, respectively...
February 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/27938627/modulation-of-adiponectin-system-expression-in-the-porcine-uterus-during-early-pregnancy-by-prostaglandin-e2-and-f2
#12
Kamil Dobrzyn, Nina Smolinska, Karol Szeszko, Marta Kiezun, Anna Maleszka, Tadeusz Kaminski
Studies have demonstrated that adiponectin could be a link between reproductive functions and energy metabolism in animals. The aim of the present study was to investigate the effects of prostaglandin (PG) E2 and PGF2α (10, 50, 100, 250 and 500ngmL-1) on the expression and secretion of adiponectin and its receptor genes and proteins by cultured in vitro porcine endometrial and myometrial tissues on Days 10-28 of pregnancy and Days 10-11 of the oestrous cycle. The gene expression was analysed using the real-time PCR method...
December 12, 2016: Reproduction, Fertility, and Development
https://www.readbyqxmd.com/read/27936897/expression-profiles-and-associations-of-adiponectin-and-adiponectin-receptors-with-intramuscular-fat-in-tibetan-chicken
#13
R Zhang, Y Lin, L Zhi, H Liao, L Zuo, Z Li, Y Xu
1. Adiponectin and its receptors (ADIPOR1 and ADIPOR2) are novel endocrine systems that act at various levels to modulate glucose and lipid metabolism. This study was designed to investigate the spatial expression of adiponectin, ADIPOR1 and ADIPOR2 genes in various tissues in Tibetan chicken. The temporal expression of adiponectin and its receptor mRNAs were also studied in adipose tissue, breast muscle and thigh muscle and the correlations of the levels of adiponectin, ADIPOR1 and ADIPOR2 mRNA with the contents of intramuscular fat in breast muscle and thigh muscle of Tibetan chicken were determined...
January 18, 2017: British Poultry Science
https://www.readbyqxmd.com/read/27899942/adiponectin-receptor-1-and-small-ubiquitin-like-modifier-4-polymorphisms-are-associated-with-risk-of-coronary-artery-disease-without-diabetes
#14
Hong Li, Ze Yang, Lian-Mei Pu, Xiang Li, Yang Ruan, Fan Yang, Shuai Meng, Duo Yang, Wei Yao, Hao Fu, Feng Zhang, Ze-Ning Jin
BACKGROUND: The genes encoding adiponectin receptor 1 (ADIPOR1) and small ubiquitin-like modifier 4 (SUMO4) have been linked to anti-atherogenic effects, but little is known about whether polymorphisms in the two genes, acting separately or interacting, affect risk of coronary artery disease (CAD) without diabetes. METHODS: We genotyped 200 CAD patients without diabetes and 200 controls without CAD or diabetes at three single-nucleotide polymorphisms (SNPs) in ADIPOR1 and one SNP in SUMO4, which were chosen based on previous studies...
September 2016: Journal of Geriatric Cardiology: JGC
https://www.readbyqxmd.com/read/27897419/exercise-restores-muscle-stem-cell-mobilization-regenerative-capacity-and-muscle-metabolic-alterations-via-adiponectin-adipor1-activation-in-samp10-mice
#15
Aiko Inoue, Xian Wu Cheng, Zhe Huang, Lina Hu, Ryosuke Kikuchi, Haiying Jiang, Limei Piao, Takeshi Sasaki, Kohji Itakura, Hongxian Wu, Guangxian Zhao, Yanna Lei, Guang Yang, Enbo Zhu, Xiang Li, Kohji Sato, Teruhiko Koike, Masafumi Kuzuya
BACKGROUND: Exercise train (ET) stimulates muscle response in pathological conditions, including aging. The molecular mechanisms by which exercise improves impaired adiponectin/adiponectin receptor 1 (AdipoR1)-related muscle actions associated with aging are poorly understood. Here we observed that in a senescence-accelerated mouse prone 10 (SAMP10) model, long-term ET modulated muscle-regenerative actions. METHODS: 25-week-old male SAMP10 mice were randomly assigned to the control and the ET (45 min/time, 3/week) groups for 4 months...
November 29, 2016: Journal of Cachexia, Sarcopenia and Muscle
https://www.readbyqxmd.com/read/27896586/effect-of-berberine-on-the-ratio-of-high-molecular-weight-adiponectin-to-total-adiponectin-and-adiponectin-receptors-expressions-in-high-fat-diet-fed-rats
#16
Yue-Yue Wu, Ying Zha, Jun Liu, Fang Wang, Jiong Xu, Zao-Ping Chen, He-Yuan Ding, Li Sheng, Xiao-Jie Han
OBJECTIVE: To assess the effects of berberine (BBR) on high-molecular weight (HMW) adiponectin and adiponectin receptors (adipoR1/adipoR2) expressions in high-fat (HF) diet fed rats. METHODS: Forty Wistar male rats were randomly assigned into a normal diet fed group and three HF diet (fat for 45% calories) fed groups (n=10 for each group). All rats underwent 12 weeks of feeding. After 4 weeks feeding, rats in the two of three HF diet fed groups were treated with 150 mg·kg(-1)·day(-1) BBR (HF+LBBR group) and 380 mg·kg(-1)·day(-1) BBR (HF+HBBR group) by gavage once a day respectively for the next 8 weeks while the rats in other groups treated with vehicle (NF+Veh and HF+Veh)...
November 17, 2016: Chinese Journal of Integrative Medicine
https://www.readbyqxmd.com/read/27890887/royal-jelly-improves-hyperglycemia-in-obese-diabetic-kk-ay-mice
#17
Mei Yoshida, Kaori Hayashi, Risa Watadani, Yoshiyasu Okano, Keiya Tanimura, Jun Kotoh, Daiki Sasaki, Kozo Matsumoto, Akihiko Maeda
The study examined whether royal jelly (RJ) can prevent obesity and ameliorate hyperglycemia in type 2 diabetes. This study utilized obese/diabetic KK-Ay mice. RJ (10 mg/kg) was administered by oral gavage. Body weight, plasma glucose and insulin levels were measured. mRNA and protein levels were determined using quantitative reverse transcription polymerase chain reaction and western blotting, respectively. Four weeks of RJ administration improved hyperglycemia and partially suppressed body weight gain, although the latter effect did not reach statistical significance...
November 26, 2016: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/27884163/chronic-adiponectin-deficiency-leads-to-alzheimer-s-disease-like-cognitive-impairments-and-pathologies-through-ampk-inactivation-and-cerebral-insulin-resistance-in-aged-mice
#18
Roy Chun-Laam Ng, On-Yin Cheng, Min Jian, Jason Shing-Cheong Kwan, Philip Wing-Lok Ho, Kenneth King-Yip Cheng, Patrick Ka Kit Yeung, Lena Lei Zhou, Ruby Lai-Chong Hoo, Sookja Kim Chung, Aimin Xu, Karen Siu-Ling Lam, Koon Ho Chan
BACKGROUND: Insulin resistance is the major pathogenesis underlying type 2 diabetes mellitus (T2DM) and these patients have doubled risk of Alzheimer's disease (AD). Increasing evidence suggests that insulin resistance plays an important role in AD pathogenesis, possibly due to abnormal GSK3β activation, causing intra- and extracellular amyloid-beta (Aβ) accumulation. Adiponectin (APN) is an adipokine with insulin-sensitizing and anti-inflammatory effects. Reduced circulatory APN level is associated with insulin resistance and T2DM...
November 25, 2016: Molecular Neurodegeneration
https://www.readbyqxmd.com/read/27882945/adiponectin-reduces-er-stress-induced-apoptosis-through-ppar%C3%AE-transcriptional-regulation-of-atf2-in-mouse-adipose
#19
Zhenjiang Liu, Lu Gan, Tianjiao Wu, Fei Feng, Dan Luo, Huihui Gu, Shimin Liu, Chao Sun
Adiponectin is a cytokine produced predominantly by adipose tissue and correlates with glucose and lipid homeostasis. However, the effects of adiponectin on endoplasmic reticulum (ER) stress and apoptosis of adipose tissue remain elusive. In this study, we found that tunicamycin-induced ER stress increased serum free fatty acid (FFA) and impaired glucose tolerance, elevated the mRNA levels of GRP78, Chop, ATF2 and caspase 3, but reduced adiponectin mRNA level in white adipose tissue. Moreover, ER stress-triggered adipocyte apoptosis by increasing cellular FFA level and Ca(2+) level...
November 24, 2016: Cell Death & Disease
https://www.readbyqxmd.com/read/27876065/expression-of-adiponectin-receptors-in-human-and-rat-intervertebral-disc-cells-and-changes-in-receptor-expression-during-disc-degeneration-using-a-rat-tail-temporary-static-compression-model
#20
Yoshiki Terashima, Kenichiro Kakutani, Takashi Yurube, Toru Takada, Koichiro Maeno, Hiroaki Hirata, Shingo Miyazaki, Masaaki Ito, Yuji Kakiuchi, Yoshiki Takeoka, Ryosuke Kuroda, Kotaro Nishida
BACKGROUND: Adipose tissue is a large endocrine organ known to secret adiponectin, which has anti-diabetic, anti-atherogenic, and anti-inflammatory properties. Adiponectin is widely involved in systemic disease, diabetes mellitus, and cardiac infraction. This study aimed to investigate the involvement of adiponectin in intervertebral disc (IVD) degeneration. METHODS: Adipose and IVD tissues were obtained from human patients undergoing surgery (n = 4) and from skeletally mature Sprague-Dawley rats (n = 21)...
November 22, 2016: Journal of Orthopaedic Surgery and Research
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