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https://www.readbyqxmd.com/read/28527212/apolipoprotein-e4-gender-body-mass-index-inflammation-insulin-resistance-and-air-pollution-interactions-recipe-for-alzheimer-s-disease-development-in-mexico-city-young-females
#1
Lilian Calderón-Garcidueñas, Suzanne M de la Monte
Given the epidemiological trends of increasing Alzheimer's disease (AD) and growing evidence that exposure and lifestyle factors contribute to AD risk and pathogenesis, attention should be paid to variables such as air pollution, in order to reduce rates of cognitive decline and dementia. Exposure to fine particulate matter (PM2.5) and ozone (O3) above the US EPA standards is associated with AD risk. Mexico City children experienced pre- and postnatal high exposures to PM2.5, O3, combustion-derived iron-rich nanoparticles, metals, polycyclic aromatic hydrocarbons, and endotoxins...
May 17, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28527062/the-prokineticin-system-an-interface-between-neural-inflammation-and-pain
#2
Silvia Franchi, Paola Sacerdote, Alberto Panerai
Prokineticins (PK) 1 and 2 belong to a new family of chemokines capable to interact with two different G coupled receptors: Prokineticin receptor (PKR)1 and 2. Both prokineticins and their receptors are widely distributed in different tissues and regulate several biological functions. In particular, a role of the PK system in inflammation and nociception has been established. PKRs are expressed in regions of the nervous system associated with pain and in primary sensitive neurons they colocalize with transient potential receptor vanilloid-TRPV1 providing an anatomical interaction in nociceptor sensitization...
May 2017: Neurological Sciences
https://www.readbyqxmd.com/read/28526997/nafld-as-a-sexual-dimorphic-disease-role-of-gender-and-reproductive-status-in-the-development-and-progression-of-nonalcoholic-fatty-liver-disease-and-inherent-cardiovascular-risk
#3
REVIEW
Stefano Ballestri, Fabio Nascimbeni, Enrica Baldelli, Alessandra Marrazzo, Dante Romagnoli, Amedeo Lonardo
Nonalcoholic fatty liver disease (NAFLD) spans steatosis through nonalcoholic steatohepatis, cirrhosis, and hepatocellular carcinoma (HCC) associated with striking systemic features and excess cardiovascular and liver-related mortality. The pathogenesis of NAFLD is complex and multifactorial. Endocrine derangements are closely linked with dysmetabolic traits. For example, in animal and human studies, female sex is protected from dysmetabolism thanks to young individuals' ability to partition fatty acids towards ketone body production rather than very low density lipoprotein (VLDL)-triacylglycerol, and to sex-specific browning of white adipose tissue...
May 19, 2017: Advances in Therapy
https://www.readbyqxmd.com/read/28526927/sodium-thiosulphate-attenuates-brain-inflammation-induced-by-systemic-lipopolysaccharide-administration-in-c57bl-6j-mice
#4
Gonzalo Acero, Miryam Nava Catorce, Ricardo González-Mendoza, Marco Antonio Meraz-Rodríguez, Luis Fernando Hernández-Zimbron, Roberto González-Salinas, Goar Gevorkian
It has been demonstrated that peripheral infections accompanied by neuroinflammation may modify brain development or affect normal brain aging and represent major risk factors for the development of neurological disorders. A wide range of synthetic and natural compounds with anti-inflammatory properties have been evaluated in animal models of neuroinflammation and neurodegeneration as an adjuvant therapeutic strategy. In the present study we have demonstrated for the first time that sodium thiosulphate (STS), a known antidote approved for treatment of certain medical conditions, is capable of reducing brain inflammation caused by systemic LPS administration...
May 19, 2017: Inflammopharmacology
https://www.readbyqxmd.com/read/28526653/genetic-variants-of-interleukin-18-are-associated-with-reduced-risk-of-atrial-fibrillation-in-a-population-from-northeast-china
#5
Ying-Hui Wang, Lin Fu, Bo Wang, Shu-Feng Li, Zhao Sun, Ying Luan
Atrial fibrillation (AF) affects approximately 1-2% of general population. Chronic inflammation plays an important role in AF development and interleukin-18 (IL-18) is a pro-inflammatory cytokine. This study aimed to assess the association of single nucleotide polymorphisms (SNPs) of IL-18 for with AF risk. Blood samples were taken from 243 AF patients and 160 non-AF individuals from a Chinese population and subjected to genotyping for six IL-18 SNPs using the MassArray system. Association of individual SNPs with AF risk was analyzed using SAS version 9...
May 16, 2017: Gene
https://www.readbyqxmd.com/read/28526497/mixed-species-biofilms-of-fusobacterium-necrophorum-and-porphyromonas-levii-impair-the-oxidative-response-of-bovine-neutrophils-in-vitro
#6
Joey S Lockhart, Andre G Buret, Howard Ceri, Douglas G Storey, Stefanie J Anderson, Douglas W Morck
Biofilms composed of anaerobic bacteria can result in persistent infections and chronic inflammation. Host immune cells have difficulties clearing biofilm-related infections and this can result in tissue damage. Neutrophils are a vital component of the innate immune system and help clear biofilms. The comparative neutrophilic response to biofilms versus planktonic bacteria remains incompletely understood, particularly in the context of mixed infections. The objective of this study was to generate mixed species anaerobic bacterial biofilms composed of two opportunistic pathogens, Fusobacterium necrophorum and Porphyromonas levii, and evaluate neutrophil responses to extracellular fractions from both biofilms and planktonic cell co-cultures of the same bacteria...
May 16, 2017: Anaerobe
https://www.readbyqxmd.com/read/28526435/the-bidirectional-gut-brain-microbiota-axis-as-a-potential-nexus-between-traumatic-brain-injury-inflammation-and-disease
#7
Mark H Sundman, Nan-Kuei Chen, Vignesh Subbian, Ying-Hui Chou
As head injuries and their sequelae have become an increasingly salient matter of public health, experts in the field have made great progress elucidating the biological processes occurring within the brain at the moment of injury and throughout the recovery thereafter. Given the extraordinary rate at which our collective knowledge of neurotrauma has grown, new insights may be revealed by examining the existing literature across disciplines with a new perspective. This article will aim to expand the scope of this rapidly evolving field of research beyond the confines of the central nervous system (CNS)...
May 16, 2017: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/28526333/systemic-manifestations-of-primary-sj%C3%A3-gren-s-syndrome-in-the-nod-b10sn-h2-b-j-mouse-model
#8
Jeremy Kiripolsky, Long Shen, Yichen Liang, Alisa Li, Lakshmanan Suresh, Yun Lian, Quan-Zhen Li, Daniel P Gaile, Jill M Kramer
Animal models that recapitulate human disease are crucial for the study of Sjögren's Syndrome (SS). While several SS mouse models exist, there are few primary SS (pSS) models that mimic systemic disease manifestations seen in humans. Similar to pSS patients, NOD.B10Sn-H2(b)/J (NOD.B10) mice develop exocrine gland disease and anti-nuclear autoantibodies. However, the disease kinetics and spectrum of extra-glandular disease remain poorly characterized in this model. Our objective was to characterize local and systemic SS manifestations in depth in NOD...
May 16, 2017: Clinical Immunology: the Official Journal of the Clinical Immunology Society
https://www.readbyqxmd.com/read/28526302/an-important-role-of-vegf-c-in-promoting-lymphedema-development
#9
Epameinondas Gousopoulos, Steven T Proulx, Samia B Bachmann, Lothar C Dieterich, Jeannette Scholl, Sinem Karaman, Roberta Bianchi, Michael Detmar
Secondary lymphedema is a common post-cancer treatment complication but the pathomechanisms underlying the disease remain unclear. Using a mouse-tail lymphedema model, we found an increase in local and systemic levels of the lymphangiogenic factor VEGF-C, and identified CD68+ macrophages as a cellular source. Surprisingly, overexpression of VEGF-C in a transgenic mouse model led to aggravation of lymphedema with increased immune cell infiltration and vascular leakage in comparison to wild-type littermates. Conversely, blockage of VEGF-C by overexpression of soluble VEGFR3 reduced edema development, diminishing inflammation and blood vascular leakage...
May 16, 2017: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/28526294/central-amygdala-activation-of-extracellular-signal-regulated-kinase-1-and-age-dependent-changes-in-inflammatory-pain-sensitivity-in-mice
#10
Katelyn E Sadler, Nathan M Gartland, Jane E Cavanaugh, Benedict J Kolber
Aging populations are more sensitive to noxious stimuli as a result of altered somatosensory systems. In these experiments, we examined pain-like behaviors in young, middle-aged, and old mice during peripheral inflammation to determine if the same sensitivity exists in preclinical animal models. Immediately following injury, middle-aged and old mice exhibited more spontaneous pain-like behaviors than young mice, matching pain prevalence in clinical populations. Middle-aged and old mice also developed persistent mechanical hypersensitivity in the injured paw...
April 26, 2017: Neurobiology of Aging
https://www.readbyqxmd.com/read/28526137/cellular-and-molecular-mechanisms-of-autoimmunity-and-lupus-nephritis
#11
S K Devarapu, G Lorenz, O P Kulkarni, H-J Anders, S R Mulay
Autoimmunity involves immune responses directed against self, which are a result of defective self/foreign distinction of the immune system, leading to proliferation of self-reactive lymphocytes, and is characterized by systemic, as well as tissue-specific, inflammation. Numerous mechanisms operate to ensure the immune tolerance to self-antigens. However, monogenetic defects or genetic variants that weaken immune tolerance render susceptibility to the loss of immune tolerance, which is further triggered by environmental factors...
2017: International Review of Cell and Molecular Biology
https://www.readbyqxmd.com/read/28525976/the-adaptation-of-colorectal-cancer-cells-when-forming-metastases-in-the-liver-expression-of-associated-genes-and-pathways-in-a-mouse-model
#12
Derya Bocuk, Alexander Wolff, Petra Krause, Gabriela Salinas, Annalen Bleckmann, Christina Hackl, Tim Beissbarth, Sarah Koenig
BACKGROUND: Colorectal cancer (CRC) is the second leading cause of cancer-related death in men and women. Systemic disease with metastatic spread to distant sites such as the liver reduces the survival rate considerably. The aim of this study was to investigate the changes in gene expression that occur on invasion and expansion of CRC cells when forming metastases in the liver. METHODS: The livers of syngeneic C57BL/6NCrl mice were inoculated with 1 million CRC cells (CMT-93) via the portal vein, leading to the stable formation of metastases within 4 weeks...
May 19, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28525592/neurosyphilis-increases-hiv-associated-central-nervous-system-inflammation-but-does-not-explain-cognitive-impairment-in-hiv-infected-individuals-with-syphilis
#13
Emily L Ho, Clare L Maxwell, Shelia B Dunaway, Sharon K Sahi, Lauren C Tantalo, Sheila A Lukehart, Christina M Marra
Background: HIV-infected individuals with previous syphilis have cognitive impairment. We tested the hypothesis that neurosyphilis causes cognitive impairment in HIV by amplifying HIV-related CNS inflammation. Methods: 132 HIV-infected participants enrolled in a study of CSF abnormalities in syphilis underwent the mental alternation test (MAT), venipuncture and lumbar puncture. CSF concentrations of chemokine (C-X-C motif) ligand 10 (CXCL10), chemokine (C-C motif) ligand 2 (CCL2) and neurofilament light (NFL) were determined by commercial assays...
May 19, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28525515/lidocaine-prevents-oxidative-stress-induced-endothelial-dysfunction-of-the-systemic-artery-in-rats-with-intermittent-periodontal-inflammation
#14
Takumi Saito, Yasuhiro Yamamoto, Guo-Gang Feng, Yoshiaki Kazaoka, Yoshihiro Fujiwara, Hiroyuki Kinoshita
BACKGROUND: Periodontal inflammation causes endothelial dysfunction of the systemic artery. However, it is unknown whether the use of local anesthetics during painful dental procedures alleviates periodontal inflammation and systemic endothelial function. This study was designed to examine whether the gingival or systemic injection of lidocaine prevents oxidative stress-induced endothelial dysfunction of the systemic artery in rats with intermittent periodontal inflammation caused by lipopolysaccharides (LPS)...
June 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28524825/chinese-systemic-lupus-erythematosus-treatment-and-research-group-registry-ix-clinical-features-and-survival-of-childhood-onset-systemic-lupus-erythematosus-in-china
#15
Chan-Yuan Wu, Cai-Feng Li, Qing-Jun Wu, Jian-Hua Xu, Lin-Di Jiang, Lu Gong, Feng-Qi Wu, Jie-Ruo Gu, Jiu-Liang Zhao, Meng-Tao Li, Yan Zhao, Xiao-Feng Zeng
BACKGROUND: Approximately 15-20% cases of systemic lupus erythematosus (SLE) are diagnosed in children. There have been a few studies reporting the epidemiological data of pediatric-onset SLE (cSLE) in China, neither comparing the differences between cSLE and adult-onset SLE (aSLE). The aim of this study was to describe the impact of age of onset on clinical features and survival in cSLE patients in China based on the Chinese SLE Treatment and Research group (CSTAR) database. METHODS: We made a prospective study of 225 cSLE patients (aged Results: The mean age of cSLE patients was 12...
June 5, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28524767/immune-biomarkers-in-older-adults-role-of-physical-activity
#16
Vanessa Valdiglesias, María Sánchez-Flores, Ana Maseda, Laura Lorenzo-López, Diego Marcos-Pérez, Ana López-Cortón, Barbara Strasser, Dietmar Fuchs, Blanca Laffon, José C Millán-Calenti, Eduardo Pásaro
Aging is associated with a decline in the normal functioning of the immune system. Several studies described the relationship between immunological alterations, including immunosenescence and inflammation, and aging or age-related outcomes, such as sarcopenia, depression, and neurodegenerative disorders. Physical activity is known to improve muscle function and to exert a number of benefits on older adult health, including reduced risk for heart and metabolic system chronic diseases. However, the positive influence of physical activity on the immune system has not been elucidated...
May 19, 2017: Journal of Toxicology and Environmental Health. Part A
https://www.readbyqxmd.com/read/28524164/ripped-for-neuroinflammation
#17
Bart Tummers, Douglas R Green
Activation of the receptor interacting serine/threonine kinase (RIPK) 3 mediates an inflammatory type of cell death called necroptosis; in addition, RIPK3 has necroptosis-independent roles in inflammation, although these are not well defined. In a recent study published in Cell, Daniels and colleagues demonstrate that RIPK3 controls West Nile virus infection by promoting neuroinflammation in the central nervous system without affecting neuronal death.
May 19, 2017: Cell Research
https://www.readbyqxmd.com/read/28524103/potential-impact-of-nutrition-on-immune-system-recovery-from-heavy-exertion-a-metabolomics-perspective
#18
REVIEW
David C Nieman, Susan Hazels Mitmesser
This review describes effective and ineffective immunonutrition support strategies for the athlete, with a focus on the benefits of carbohydrates and polyphenols as determined from metabolomics-based procedures. Athletes experience regular cycles of physiological stress accompanied by transient inflammation, oxidative stress, and immune perturbations, and there are increasing data indicating that these are sensitive to nutritional influences. The most effective nutritional countermeasures, especially when considered from a metabolomics perspective, include acute and chronic increases in dietary carbohydrate and polyphenols...
May 18, 2017: Nutrients
https://www.readbyqxmd.com/read/28524010/effect-of-g-9476869g-a-myeloperoxidase-mpo-gene-polymorphism-on-the-antioxidant-activity-of-milk-from-polish-holstein-friesian-cows-of-the-black-and-white-variety-ho
#19
Joanna Pokorska, Karolina Poskart, Dominika Kułaj, Andrzej Ochrem, Magdalena Dusza, Zygmunt Gil, Ewa Świętek, Joanna Makulska
Myeloperoxidase (MPO) is an important enzyme, which is one of the components of the antibacterial system in neutrophils and monocytes. MPO participates in the inflammatory response in multiple locations in the body, including the mammary glands. As a result of the activity of MPO, many oxidising compounds as well as reactive oxygen species are generated. It seems that myeloperoxidase may be a marker linking inflammation processes and oxidative stress. So far, there are no literature data on the association between the MPO gene polymorphism and the antioxidant properties of milk...
May 2017: Journal of Dairy Research
https://www.readbyqxmd.com/read/28523952/is-male-factor-infertility-associated-with-midlife-low-grade-inflammation-a-population-based-study
#20
Katia Keglberg Hærvig, Lene Kierkegaard, Rikke Lund, Helle Bruunsgaard, Merete Osler, Lone Schmidt
Male factor infertility is associated with an increased risk of disease and mortality, which has been related to markers of chronic systemic inflammation. The objective of this study was to investigate the association between male factor infertility and low-grade inflammation and furthermore to examine the lifetime prevalence of male factor infertility and overall infertility (also including female and couple infertility). The study population consisted of 2140 members of the Metropolit 1953 Danish Male Birth Cohort who had participated in the Copenhagen Aging and Midlife Biobank data collection in 2009-2011...
May 19, 2017: Human Fertility: Journal of the British Fertility Society
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