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obesity lymphocyte

Keita Adachi, Shuhei Suzuki, Yuki Masuo, Saki Nagashima, Yukiko Hara, Tomohiro Hirano, Katsuhisa Enomoto, Kenichi Sakurai
Obesitychanges the regulatorymechanisms of the immune system, resulting in impaired immunity. In cancer immune mechanisms, the greater the degree of obesity, the lower the activity of the lymphocytes. Herein, we examined the relationship between obesity and lymphocytes in breast cancer patients undergoing chemotherapy. We recruited 10 recurrent or metastatic breast cancer patients who were administered eribulin. Using bodymass index(BMI), we classified these patients into a non-obese group(BMI<25)and an obese group(BMI>25)...
October 2016: Gan to Kagaku Ryoho. Cancer & Chemotherapy
Youngjoo Lee, Jiyeon Kim, Jinho An, Sungwon Lee, Heetae Lee, Hyunseok Kong, Youngcheon Song, Hye Ran Choi, Ji-Wung Kwon, Daekeun Shin, Chong-Kil Lee, Kyungjae Kim
Hyperlipidemia, which is closely associated with a fatty diet and aging, is commonly observed in the western and aged society. Therefore, a novel therapeutic approach for this disease is critical, and an immunological view has been suggested as a novel strategy, because hyperlipidemia is closely associated with inflammation and immune dysfunction. In this study, the effects of an aqueous extract of Rubus occidentalis (RO) in obese mice were investigated using immunological indexes. The mice were fed a high-fat diet (HFD) to induce hyperlipidemia, which was confirmed by biochemical analysis and examination of the mouse physiology...
October 17, 2016: Biomolecules & Therapeutics
Maider Muñoz-Culla, Matías Sáenz-Cuesta, Maier J Guereca-Barandiaran, Marcelo L Ribeiro, David Otaegui
Yerba mate (YM) has been shown to have anti-inflammatory properties in several studies. However, this effect has been found mainly in obesity-related inflammation. The aim of this work was to study the effect of YM on cultured peripheral blood mononuclear cells to see whether it has anti-inflammatory properties. We stimulated peripheral blood mononuclear cells in vitro with phytohemagglutinin (PHA) in the presence of yerba mate and determined their activation by measuring the expression of CD25 by flow cytometry...
October 7, 2016: Food & Function
Manoswini Chakrabarti, Ilika Ghosh, Aditi Jana, Manosij Ghosh, Anita Mukherjee
CONTEXT: Obesity is a major global health problem associated with various adverse effects. Pharmacological interventions are often necessary for the management of obesity. Orlistat is an FDA-approved antiobesity drug which is a potent inhibitor of intestinal lipases. OBJECTIVE: In the current study, orlistat was evaluated for its genotoxic potential in human lymphocyte cells in vitro and was compared with that of another antiobesity drug sibutramine, presently withdrawn from market due its undesirable health effects...
October 6, 2016: Drug and Chemical Toxicology
Agnieszka Owczarczyk-Saczonek, Waldemar Placek
Psoriasis is a systemic disease with numerous concomitant metabolic disorders. Apparently, T-helper 17 lymphocytes and interleukin (IL)-17 constitute an important element linking those disorders. The role of IL-17 has been confirmed by numerous studies, although it remains not completely understood, and the study results are controversial. Based on the studies performed so far, it is assumed that IL-17 contributes to development of atherosclerosis by means of: stimulation of production of proinflammatory compounds; induction of apoptosis of endothelial cells and heart muscle cells; stimulation of von Willebrand factor production; and induction of the matrix metalloproteinase-9 (atherosclerotic plaque rupture)...
October 1, 2016: International Journal of Dermatology
Vivian A Paschoal, Mariane T Amano, Thiago Belchior, Juliana Magdalon, Patricia Chimin, Maynara L Andrade, Milene Ortiz-Silva, Érique Castro, Alex S Yamashita, José Cesar Rosa Neto, Niels O Câmara, William T Festuccia
Genetic- and diet-induced obesity and insulin resistance are associated with an increase in mechanistic target of rapamycin complex (mTORC) 1 activity in adipose tissue. We investigated herein the effects of pharmacological mTORC1 inhibition in the development of adipose tissue inflammation induced by high-fat diet (HFD) feeding, as well as in the polarization, metabolism and function of bone marrow-derived macrophages (BMDM). For this, C57BL/6J mice fed with a standard chow diet or a HFD (60% of calories from fat) and treated with either vehicle (0...
September 28, 2016: Immunobiology
Bai-Yu Su, Chun-Feng Tian, Bu-Lang Gao, Yu-Hong Tong, Xu-Hong Zhao, Ying Zheng
OBJECTIVES: To investigate correlation of the white blood cell (WBC) and its subtype count with the traditional and non-traditional components of the metabolic syndrome. METHODS: Between January 2012 and December 2013, 18222 people were enrolled in this study. The height, weight, body mass index (BMI) and blood pressure were measured, and blood samples were tested for all subjects after an overnight fast. The count of WBC and its subtypes, total cholesterol, triglyceride, high density lipoprotein (HDL), low-density lipoprotein, aminotransferases, fibrinogen, uric acid, and fasting blood glucose were all assessed...
October 2, 2016: Postgraduate Medicine
Andreea Milasan, Nicolas Tessandier, Sisareuth Tan, Alain Brisson, Eric Boilard, Catherine Martel
The lymphatic system works in close collaboration with the cardiovascular system to preserve fluid balance throughout the body and is essential for the trafficking of antigen-presenting cells and lymphocytes to lymphoid organs. Recent findings have associated lymphatic dysfunction with the pathogenesis of cardiovascular-related diseases such as atherosclerosis, inflammation and obesity. Whether lymphatic dysfunction is a cause or a consequence of these diseases, as well as how, is under intensive investigation...
2016: Journal of Extracellular Vesicles
Troy L Merry, Melanie Tran, Garron T Dodd, Salvatore P Mangiafico, Florian Wiede, Supreet Kaur, Catriona L McLean, Sofianos Andrikopoulos, Tony Tiganis
AIMS/HYPOTHESIS: In obesity oxidative stress is thought to contribute to the development of insulin resistance, non-alcoholic fatty liver disease and the progression to non-alcoholic steatohepatitis. Our aim was to examine the precise contributions of hepatocyte-derived H2O2 to liver pathophysiology. METHODS: Glutathione peroxidase (GPX) 1 is an antioxidant enzyme that is abundant in the liver and converts H2O2 to water. We generated Gpx1 (lox/lox) mice to conditionally delete Gpx1 in hepatocytes (Alb-Cre;Gpx1 (lox/lox)) and characterised mice fed chow, high-fat or choline-deficient amino-acid-defined (CDAA) diets...
September 15, 2016: Diabetologia
Rhea Li, Hayley Donnella, Phillip Knouse, Margaret Raber, Karla Crawford, Maria C Swartz, Jimin Wu, Diane Liu, Joya Chandra
BACKGROUND: Quality of life in survivors of pediatric acute lymphocytic leukemia (ALL) can be compromised by chronic diseases including increased risk of second cancers, cardiovascular disease, and diabetes. Overweight or obesity further increases these risks. Steroids are a component of chemotherapy for ALL, and weight gain is a common side effect. To impact behaviors associated with weight gain, we conducted a randomized nutrition counseling intervention in ALL patients on treatment...
September 12, 2016: Pediatric Blood & Cancer
Yan Ouyang, Jingyuan Xie, Meng Yang, Xiaoyan Zhang, Hong Ren, Weiming Wang, Nan Chen
Studies on the relationship between body mass index (BMI) and renal progression in IgA Nephropathy (IgAN) were limited, especially for underweight patients with IgAN. To elucidate the clinical features and effect of underweight on renal function deterioration in this disease, we recruited IgAN patients with diagnostic age ≥18 years old and a baseline estimated glomerular filtration rate (eGFR) ≥15 ml/min/1.73m2 from our center between 1985 and 2014. Patients secondary to systemic diseases or follow-up less than 6 months were excluded...
2016: PloS One
Bahman Sotoodian, Mariam Abbas, Alain Brassard
BACKGROUND: Hidradenitis suppurativa (HS) is a chronic inflammatory disease affecting skin sites with a high density of apocrine glands. HS commonly presents after puberty, with most patients diagnosed in the second decade of their life. Several studies have investigated smoking, obesity, hypertension, diabetes, and dyslipidemia as possible underlying risk factors for HS. However, we encountered 2 patients with a long-standing history of untreated leukemia who developed late-onset HS...
August 29, 2016: Journal of Cutaneous Medicine and Surgery
Anna Tompa, Anna Biró, Péter Balázs, Mátyás Jakab
INTRODUCTION: More than half of the Hungarian population is overweight or obese, therefore, non-alcoholic fatty liver is a common problem. According to clinical experience, 20-30% of fatty liver cases is not related to alcohol, but can be linked to diabetes, obesity or metabolic syndrome. AIM: The authors studied the correlation between genotoxicity, immuntoxicity and non-alcoholic fatty liver among oil refinery workers. METHOD: During this genotoxicological monitoring study the data of 107 exposed were compared to 67 controls...
August 2016: Orvosi Hetilap
Handong Zheng, Xing Zhang, Eliseo F Castillo, Yan Luo, Meilian Liu, Xuexian O Yang
Allergic asthma and obesity are the leading health problems in the world. Many studies have shown that obesity is a risk factor of development of asthma. However, the underlying mechanism has not been well established. In this study, we demonstrate that leptin, an adipokine elevated in obese individuals, promoted proliferation and survival of pro-allergic type 2 helper T cells and group 2 innate lymphoid cells and production of type 2 cytokines, which together contribute to allergic responses. Leptin activates mTORC1, MAPK, and STAT3 pathways in TH2 cells...
October 14, 2016: Journal of Biological Chemistry
Shin-Jen Lin, Fu-Ju Chou, Chang-Yi Lin, Hong-Chiang Chang, Shuyuan Yeh, Chawnshang Chang
Prostatitis is a common disease contributing to 8% of all urologist visits. Yet the etiology and effective treatment remain to be further elucidated. Using a non-obese diabetes mouse model that can be induced by autoimmune response for the spontaneous development of prostatitis, we found that injection of the ASC-J9® at 75 mg/Kg body weight/48 hours led to significantly suppressed prostatitis that was accompanied with reduction of lymphocyte infiltration with reduced CD4+ T cells in prostate. In vitro studies with a co-culture system also confirmed that ASC-J9® treatment could suppress the CD4+ T cell migration to prostate stromal cells...
August 22, 2016: Oncotarget
Shujie Zhang, Haisong Qin, Jin Wang, Luping OuYang, Shiyu Luo, Chunyun Fu, Xin Fan, Jiasun Su, Rongyu Chen, Bobo Xie, Xuyun Hu, Shaoke Chen, Yiping Shen
BACKGROUND: Both maternal uniparental disomy 14 (UPD(14)mat) and mosaic trisomy 14 are rare events in live individuals. A combination of the two events in one individual is rarely encountered. Only six live-born cases have so far been reported. CASE PRESENTATION: Here we reported a case of concomitant UPD(14)mat and mosaic trisomy 14 in a 10-year-old Chinese patient. Most clinical features of our patient were consistent with those previous reported for UPD(14)mat cases, which include prenatal and postnatal growth retardation, neonatal hypotonia, feeding difficulty, intellectual disability, truncal obesity, small hands and feet, short stature, and mild facial dysmorphism, but our patient showed more severe intellectual disability and no sign of precocious puberty...
2016: Molecular Cytogenetics
Kengo Yoshida, Eiji Nakashima, Seishi Kyoizumi, Masayuki Hakoda, Tomonori Hayashi, Ayumi Hida, Waka Ohishi, Yoichiro Kusunoki
Immune system impairments reflected by the composition and function of circulating lymphocytes are still observed in atomic bomb survivors, and metabolic abnormalities including altered blood triglyceride and cholesterol levels have also been detected in such survivors. Based on closely related features of immune and metabolic profiles of individuals, we investigated the hypothesis that long-term effects of radiation exposure on lymphocyte subsets might be modified by metabolic profiles in 3,113 atomic bomb survivors who participated in health examinations at the Radiation Effect Research Foundation, Hiroshima and Nagasaki, in 2000-2002...
September 2016: Radiation Research
Manuela Del Cornò, Massimo D'Archivio, Lucia Conti, Beatrice Scazzocchio, Rosaria Varì, Gloria Donninelli, Barbara Varano, Stefania Giammarioli, Simone De Meo, Gianfranco Silecchia, Francesco Pennestrì, Roberto Persiani, Roberta Masella, Sandra Gessani
Obesity is a low-grade chronic inflammatory state representing an important risk factor for colorectal cancer (CRC). Adipocytes strongly contribute to inflammation by producing inflammatory mediators. In this study we investigated the role of human visceral fat adipocytes in regulating the functions of innate immunity cells. Adipocyte-conditioned media (ACM) from obese (n = 14) and CRC (lean, n = 14; obese, n = 13) subjects released higher levels of pro-inflammatory/immunoregulatory factors as compared to ACM from healthy lean subjects (n = 13)...
August 1, 2016: Oncotarget
Charnita Zeigler-Johnson, Knashawn H Morales, Priti Lal, Michael Feldman
BACKGROUND: Obesity reflects a chronic inflammatory environment that may contribute to prostate cancer progression and poor treatment outcomes. However, it is not clear which mechanisms drive this association within the tumor microenvironment. The aim of this pilot study was to examine prostatic inflammation via tumor infiltrating lymphocytes and macrophages characterized by obesity and cancer severity. METHODS: We studied paraffin-embedded prostatectomy tissue from 99 participants (63 non-obese and 36 obese) from the Study of Clinical Outcomes, Risk and Ethnicity (University of Pennsylvania)...
2016: PloS One
Thomas H Hauser, Ninad Salastekar, Ernst J Schaefer, Tanvi Desai, Harvey L Goldfine, Kristen M Fowler, Griffin M Weber, Francine Welty, Melvin Clouse, Steven E Shoelson, Allison B Goldfine
IMPORTANCE: Inflammation may contribute to pathological associations among obesity, diabetes mellitus, and cardiovascular disease. OBJECTIVE: To determine whether targeting inflammation using salsalate compared with placebo reduces progression of noncalcified coronary artery plaque. DESIGN, SETTING, AND PARTICIPANTS: In the Targeting Inflammation Using Salsalate in Cardiovascular Disease (TINSAL-CVD) trial participants were randomly assigned between September 23, 2008, and July 5, 2012, to 30 months of salsalate or placebo in addition to standard, guideline-based therapies...
July 1, 2016: JAMA Cardiology
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