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Low-grade inflammation

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https://www.readbyqxmd.com/read/28346926/microbiota-and-obesity
#1
Erika Isolauri
Obesity is globally the most prevalent nutritional disorder. Multifaceted therapeutic approaches are called for to halt the cascade from neonatal adiposity/high birth weight to childhood excessive weight gain/adult obesity with comorbidities. Recent experimental and clinical data provide one new target for interventions aiming to close this vicious circle: the microbiota. An aberrant gut microbiota, dysbiosis, induces immune and metabolic disturbances both locally and, consequent upon impaired gut barrier function, also systemic low-grade inflammation, which is causally linked to insulin resistance...
2017: Nestlé Nutrition Institute Workshop Series
https://www.readbyqxmd.com/read/28344817/urinary-biomarkers-as-indicator-of-chronic-inflammation-and-endothelial-dysfunction-in-obese-adolescents
#2
Ruchi Singh, Arushi Verma, Salim Aljabari, Tetyana L Vasylyeva
BACKGROUND: Obesity is a pro-inflammatory state that may predispose patients to acute coronary syndrome characterized by chronic low grade inflammation resulting in endothelial dysfunction (ED). The aim of the study was to evaluate urinary biomarkers of inflammation and ED in adolescents with obesity. METHODS: Sixty three subjects were recruited for the study. Twenty healthy adolescents with normal body mass (NW), 14 overweight (OW), 29 obese (OA) subjects were selected...
2017: BMC Obesity
https://www.readbyqxmd.com/read/28343461/the-impact-of-maternal-obesity-on-inflammatory-processes-and-consequences-for-later-offspring-health-outcomes
#3
S A Segovia, M H Vickers, C M Reynolds
Obesity is a global epidemic, affecting both developed and developing countries. The related metabolic consequences that arise from being overweight or obese are a paramount global health concern, and represent a significant burden on healthcare systems. Furthermore, being overweight or obese during pregnancy increases the risk of offspring developing obesity and other related metabolic complications in later life, which can therefore perpetuate a transgenerational cycle of obesity. Obesity is associated with a chronic state of low-grade metabolic inflammation...
March 27, 2017: Journal of Developmental Origins of Health and Disease
https://www.readbyqxmd.com/read/28341541/pro-resolving-actions-of-spm-in-adipose-tissue-biology
#4
REVIEW
Joan Clària, Cristina López-Vicario, Bibiana Rius, Esther Titos
White adipose tissue plays an important endocrine role in balancing metabolic homeostasis. During conditions of nutrient excess, as occurs in obesity, there is an expansion of adipose tissue mass that triggers a state of "low-grade" inflammation in this tissue. This chronic, unresolved inflammation of adipose tissue is deleterious and leads to many pathological sequelae associated with obesity including insulin resistance, type 2 diabetes and non-alcoholic fatty liver disease. Recently, a novel genus of anti-inflammatory and pro-resolving lipid mediators endogenously generated from membrane phospholipid-derived polyunsaturated fatty acids has been identified during the resolution phase of acute inflammation...
March 21, 2017: Molecular Aspects of Medicine
https://www.readbyqxmd.com/read/28335587/neuronatin-is-associated-with-anti-inflammatory-role-in-the-white-adipose-tissue
#5
Hye In Ka, Sora Han, Ae Lee Jeong, Sunyi Lee, Hyo Jeong Yong, Ariundavaa Boldbaatar, Hyun Jeong Joo, Su Jung Soh, Ji Young Park, Jong-Seok Lim, Myung Sok Lee, Young Yang
Neuronatin (NNAT) is known to regulate ion channels during brain development and plays a role in maintaining the structure of the nervous system. A previous in silico analysis showed that Nnat was overexpressed in the adipose tissue of an obese rodent model relative to the wild-type. Therefore, the aim of the present study was to investigate the function of Nnat in the adipose tissue. Because obesity is known to systemically induce low-grade inflammation, the Nnat expression level was examined in the adipose tissue obtained from C57BL/6 mice administered lipopolysaccharide (LPS)...
March 24, 2017: Journal of Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28334832/the-n-glycosylation-of-immunoglobulin-g-as-a-novel-biomarker-of-parkinson-s-disease
#6
Alyce C Russell, Mirna Šimurina, Monique T Garcia, Mislav Novokmet, Youxin Wang, Igor Rudan, Harry Campbell, Gordan Lauc, Meghan G Thomas, Wei Wang
The use of the emerging "omics" technologies for large scale population screening is promising in terms of predictive, preventive and personalized medicine. For Parkinson's disease, it is essential that an accurate diagnosis is obtained and disease progression can be monitored. Immunoglobulin G (IgG) has the ability to exert both anti-inflammatory and pro-inflammatory effects, and the N-glycosylation of the fragment crystallizable portion of IgG is involved in this process. This study aimed to determine whether the IgG glycome could be a candidate biomarker for Parkinson's disease...
March 17, 2017: Glycobiology
https://www.readbyqxmd.com/read/28323989/preconception-low-dose-aspirin-restores-diminished-pregnancy-and-live-birth-rates-in-women-with-low-grade-inflammation-a-secondary-analysis-of-a-randomized-trial
#7
Lindsey A Sjaarda, Rose G Radin, Robert M Silver, Emily Mitchell, Sunni L Mumford, Brian Wilcox, Noya Galai, Neil J Perkins, Jean Wactawski-Wende, Joseph B Stanford, Enrique F Schisterman
Context: Inflammation is linked to causes of infertility. Low dose aspirin (LDA) may improve reproductive success in women with chronic, low-grade inflammation. Objective: To investigate the effect of preconception-initiated LDA on pregnancy rate, pregnancy loss, live birth rate, and inflammation during pregnancy. Design: Stratified secondary analysis of a multi-center, block-randomized, double-blind, placebo-controlled trial. Setting: Four U...
February 3, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28323977/short-term-vs-long-term-effects-of-adipocyte-toll-like-receptor-4-activation-on-insulin-resistance-in-male-mice
#8
Caroline Tao, William L Holland, Qiong A Wang, Mengle Shao, Lin Jia, Kai Sun, Xiaoli Lin, Yi-Chun Kuo, Joshua A Johnson, Ruth Gordillo, Joel K Elmquist, Philipp E Scherer
Chronic exposure to diets high in saturated fat (HFD) increases the prevalence of obesity and contributes to the development of low-grade inflammation and insulin resistance. A possible mediator accounting for obesity-associated inflammation and insulin resistance is Toll-like receptor 4 (TLR4). We investigated the role of adipocyte TLR4 in lipid and glucose homeostasis through an inducible, adipocyte-specific deletion of TLR4, the "TADIPO mouse". Consistent with a critical role for inflammation as a positive force for healthy adipose tissue expansion, chronic HFD exposure resulted in exacerbated whole body and muscle insulin resistance in the absence of TLR4 in the adipocyte...
February 24, 2017: Endocrinology
https://www.readbyqxmd.com/read/28323921/emerging-roles-for-micrornas-in-diabetic-microvascular-disease-novel-targets-for-therapy
#9
Yu Zhang, Xinghui Sun, Basak Icli, Mark W Feinberg
Chronic, low-grade systemic inflammation and impaired microvascular function are critical hallmarks in the development of insulin resistance. Accordingly, insulin resistance is a major risk factor for type 2 diabetes and cardiovascular disease. Accumulating studies demonstrate that restoration of impaired function of the diabetic macro- and microvasculature may ameliorate a range of cardiovascular disease states and diabetes-associated complications. In this review, we focus on the emerging role of microRNAs, non-coding RNAs that fine-tune target gene expression and signaling pathways, in insulin-responsive tissues and cell types important for maintaining optimal vascular homeostasis and preventing the sequelae of diabetes-induced end organ injury...
February 17, 2017: Endocrine Reviews
https://www.readbyqxmd.com/read/28323187/activation-of-cytotoxic-natural-killer-cells-after-aneurysmal-subarachnoid-haemorrhage
#10
Daniel Spitzer, Nina Johanna Spitzer, Monika Deininger, Christian Rainer Wirtz, Ralph König, Timo Burster, Thomas Kapapa
OBJECTIVE: Cell-mediated inflammation is critical in development of cerebrovascular complications after aneurysmal subarachnoid haemorrhage (aSAH). We analysed the course for activated CD16(bright)CD56(dim) cytotoxic NKCSF cells (NK) in cerebrospinal fluid (CSF) of 15 patients. METHODS: Patients were classified by occurrence of cerebral vasospasm and delayed cerebral ischemia. NK were monitored by flow cytometry between day 1 and 14 after haemorrhage. RESULTS: 12 (80%) patients developed CV with a mean day of detection at 3...
March 16, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28321252/prevalence-of-anemia-among-older-adults-residing-in-the-coastal-and-andes-mountains-in-ecuador-results-of-the-sabe-survey
#11
Carlos H Orces
Objectives. To estimate the prevalence of anemia and its determinants among older adults in Ecuador. Methods. The present study was based on data from the National Survey of Health, Wellbeing, and Aging. Hemoglobin concentrations were adjusted by participants' smoking status and altitude of residence, and anemia was defined according to the World Health Organization criteria (<12 g/dL in women and <13 g/dL in men). Gender-specific logistic regression models were used to examine the association between demographic and health characteristics and anemia...
2017: Current Gerontology and Geriatrics Research
https://www.readbyqxmd.com/read/28321033/role-of-spleen-derived-il-10-in-prevention-of-systemic-low-grade-inflammation-by-obesity-review
#12
Koro Gotoh, Kansuke Fujiwara, Manabu Anai, Mitsuhiro Okamoto, Takayuki Masaki, Tetsuya Kakuma, Hirotaka Shibata
Obesity can be associated with systemic low-grade inflammation that leads to obesity-related metabolic disorders. Recent studies raise the possibility that the inflammation in hypothalamus, liver and white adipose tissue (WAT) contributes to the pathogenesis of diet-induced obesity. We focus on the role of interleukin (IL)-10, an anti-inflammatory cytokine produced from spleen in obesity because it is indicated that obesity decreases the expression of pro-inflammatory cytokines in spleen. Obesity results in decrease of IL-10 synthesis from spleen, probably due to reduction of B-cells expression by promoting oxidative stress and apoptosis in spleen...
March 17, 2017: Endocrine Journal
https://www.readbyqxmd.com/read/28319586/short-term-exercise-training-alters-leukocyte-chemokine-receptors-in-obese-adults
#13
Julianne C Barry, Svetlana Simtchouk, Cody Durrer, Mary E Jung, Jonathan P Little
Obesity is characterized by chronic low-grade inflammation driven by activation and tissue infiltration of circulating leukocytes. Although exercise has anti-inflammatory effects, the impact of exercise on mediators of leukocyte migration is unclear. PURPOSE: To determine the impact of high intensity interval training (HIIT) versus moderate intensity continuous training (MICT), in the absence of weight/fat loss, on circulating chemokines and leukocyte chemokine receptors. METHODS: Thirty-seven inactive obese adults were randomized to two weeks (10 sessions) of HIIT or MICT with fasting blood samples collected before and after training...
March 18, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28318543/obesity-induced-neuroinflammation-beyond-the-hypothalamus
#14
REVIEW
Owein Guillemot-Legris, Giulio G Muccioli
Obesity is now a worldwide health issue. Far from being limited to weight gain, obesity is generally associated with low-grade inflammation and with a cluster of disorders collectively known as the 'metabolic syndrome'. When considering obesity and the subsequent neuroinflammation, the focus was long set on the hypothalamus. More recently, obesity-derived neuroinflammation has been shown to affect other brain structures such as the hippocampus, cortex, brainstem, or amygdala. Furthermore, obesity has been associated with increased occurrence of central disorders such as depression and impaired cognitive function...
March 16, 2017: Trends in Neurosciences
https://www.readbyqxmd.com/read/28318372/white-blood-cell-counts-insulin-resistance-vitamin-d-levels-and-sarcopenia-in-korean-elderly-men
#15
Sang-Hwan Kim, Hyun Seok Kwon, Hee-Jin Hwang
Sarcopenia is a major determinant of frailty, disability and mortality in the elderly. Whether low-grade inflammation, insulin resistance and vitamin D are independently associated with sarcopenia remains unclear. In our study, sarcopenia was defined as an appendicular skeletal muscle mass divided by height squared (ASM/Ht(2)) that was <2 SD below the normal means for young adults. Insulin resistance was estimated using the homeostasis model assessment of insulin resistance (HOMA-IR) index [(insulin (IU/mL) × fasting glucose (mg/dL)/18)/22...
May 2017: Scandinavian Journal of Clinical and Laboratory Investigation
https://www.readbyqxmd.com/read/28317149/association-between-variants-in-genes-involved-in-the-immune-response-and-prostate-cancer-risk-in-men-randomized-to-the-finasteride-arm-in-the-prostate-cancer-prevention-trial
#16
Danyelle A Winchester, Cathee Till, Phyllis J Goodman, Catherine M Tangen, Regina M Santella, Teresa L Johnson-Pais, Robin J Leach, Jianfeng Xu, S Lilly Zheng, Ian M Thompson, M Scott Lucia, Scott M Lippman, Howard L Parnes, William B Isaacs, Angelo M De Marzo, Charles G Drake, Elizabeth A Platz
BACKGROUND: We reported that some, but not all single nucleotide polymorphisms (SNPs) in select immune response genes are associated with prostate cancer, but not individually with the prevalence of intraprostatic inflammation in the Prostate Cancer Prevention Trial (PCPT) placebo arm. Here, we investigated whether these same SNPs are associated with risk of lower- and higher-grade prostate cancer in men randomized to finasteride, and with prevalence of intraprostatic inflammation among controls...
March 20, 2017: Prostate
https://www.readbyqxmd.com/read/28316570/isometric-exercise-training-for-managing-vascular-risk-factors-in-mild-cognitive-impairment-and-alzheimer-s-disease
#17
REVIEW
Nicole C L Hess, Neil A Smart
Alzheimer's disease (AD) is the most common form of dementia diagnosed amongst the elderly. Mild cognitive impairment (MCI) is a condition often indicative of the earliest symptomatology of AD with 10%-15% of MCI patients reportedly progressing to a diagnosis of AD. Individuals with a history of vascular risk factors (VRF's) are considered high risk candidates for developing cognitive impairment in later life. Evidence suggests that vascular injury resulting from untreated VRF's promotes progression from MCI to AD and exacerbates the severity of dementia in AD, and neuroimaging studies have found that the neurodegenerative processes associated with AD are heavily driven by VRF's that promote cerebral hypoperfusion...
2017: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/28315927/hla-dr-expression-in-tumor-epithelium-is-an-independent-prognostic-indicator-in-esophageal-adenocarcinoma-patients
#18
Margaret R Dunne, Adriana J Michielsen, Katie E O'Sullivan, Mary Clare Cathcart, Ronan Feighery, Brendan Doyle, Jenny A Watson, Naoimh J O'Farrell, Narayanasamy Ravi, Elaine Kay, John V Reynolds, Elizabeth J Ryan, Jacintha O'Sullivan
Esophageal adenocarcinoma (EAC) is an aggressive cancer with poor prognosis, and incidence is increasing rapidly in the Western world. Measurement of immune markers has been shown to have prognostic significance in a growing number of cancers, but whether this is true for EAC has yet to be evaluated. This study aimed to characterize HLA-DR expression in the esophagus across the inflammation to cancer progression sequence and to assess the prognostic significance of HLA-DR expression in EAC. Tissue microarrays (TMA) were constructed from esophageal tissue taken from patients at different stages in the cancer progression sequence; normal, esophagitis, Barrett's esophagus (BE), low- and high-grade dysplasia (LGD, HGD) and EAC...
March 18, 2017: Cancer Immunology, Immunotherapy: CII
https://www.readbyqxmd.com/read/28304381/tnf-%C3%AE-stimulates-endothelial-palmitic-acid-transcytosis-and-promotes-insulin-resistance
#19
Wenjing Li, Xiaoyan Yang, Tao Zheng, Shasha Xing, Yaogong Wu, Fang Bian, Guangjie Wu, Ye Li, Juyi Li, Xiangli Bai, Dan Wu, Xiong Jia, Ling Wang, Lin Zhu, Si Jin
Persistent elevation of plasma TNF-α is a marker of low grade systemic inflammation. Palmitic acid (PA) is the most abundant type of saturated fatty acid in human body. PA is bound with albumin in plasma and could not pass through endothelial barrier freely. Albumin-bound PA has to be transported across monolayer endothelial cells through intracellular transcytosis, but not intercellular diffusion. In the present study, we discovered that TNF-α might stimulate PA transcytosis across cardiac microvascular endothelial cells, which further impaired the insulin-stimulated glucose uptake by cardiomyocytes and promoted insulin resistance...
March 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28303466/do-statins-have-antidepressant-effects
#20
Ole Köhler-Forsberg, Christiane Gasse, Michael Berk, Søren Dinesen Østergaard
Statins are used widely in primary and secondary prevention of cardiovascular disease; a treatment effect that has long been thought to be due to their cholesterol-lowering properties. However, statins also have a wide range of anti-inflammatory effects independent of their lipid-lowering mechanisms. In depression, low-grade inflammation is a replicated finding, and several studies have shown antidepressant properties of diverse anti-inflammatory drugs. Large observational studies have suggested reduced risks of depression amongst those taking statins, an effect that is thought to be explained by the anti-inflammatory properties of this class of drugs...
March 16, 2017: CNS Drugs
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