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Inflammation research

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https://www.readbyqxmd.com/read/27914018/encapsulation-of-%C3%AE-sitosterol-in-polyurethane-by-sol-gel-electrospinning
#1
Musarat Amina, Touseef Amna, Nawal Al-Musayeib, Sami A Zabin, M Shamshi Hassan, Myung-Seob Khil
Pristine β-sitosterol or in combination with other phytosterols is utilized in an array of enriched commercial foods. Considering the presence of β-sitosterol in different functional foods and its potential role in prevention and cure of neurodegenerative diseases, the aims of our investigation were to encapsulate β-sitosterol in nanofibers and to estimate influence of β-sitosterol on proliferation of fibroblasts. Electrospun nanofibers have widely been used as scaffolds to mimic natural extracellular matrix...
December 2, 2016: Applied Biochemistry and Biotechnology
https://www.readbyqxmd.com/read/27913990/sirukumab-a-potential-treatment-for-mood-disorders
#2
REVIEW
Aileen J Zhou, Yena Lee, Giacomo Salvadore, Benjamin Hsu, Trehani M Fonseka, Sidney H Kennedy, Roger S McIntyre
Convergent evidence indicates that abnormalities in the innate immune system may be pertinent to the pathogenesis, phenomenology, and possible treatment of several mental disorders. In keeping with this view, the targeting of interleukin-6 with the human monoclonal antibody sirukumab may represent a possible treatment and disease modification approach, for adults with brain-based disorders (e.g., major depressive disorder). A PubMed/Medline database search was performed using the following search terms: sirukumab; anti-IL-6; IL-6; major depressive disorder; inflammation...
December 2, 2016: Advances in Therapy
https://www.readbyqxmd.com/read/27913746/anti-trachea-inflammatory-effects-of-diosgenin-from-dioscorea-nipponica-through-interactions-with-glucocorticoid-receptor-%C3%AE
#3
Yang Junchao, Wang Zhen, Wang Yuan, Xu Liying, Jiang Libin, Zhu Yuanhong, Zhao Wei, Chen Ruilin, Zhai Lu
Asthma is a heterogeneous disease characterized by symptoms of chronic inflammation and airway structural and functional changes. It affects about 300 million people worldwide and causes 250 000 deaths annually, but its symptoms can be greatly relieved by regular use of inhaled glucocorticoids (GCs). GCs exert their function through interacting with glucocorticoid receptors (GRs). Diosgenin is a naturally occurring steroidal saponin abundantly present in many medicinal plants, including Dioscorea nipponica, which shares a similar steroidal structure with GC...
December 2, 2016: Journal of International Medical Research
https://www.readbyqxmd.com/read/27913313/the-role-of-vitamin-d-and-vdr-in-carcinogenesis-through-epidemiology-and-basic-sciences
#4
REVIEW
Borja Bandera Merchan, Sonsoles Morcillo, Gracias Martin-Nuñez, Francisco José Tinahones, Manuel Macías-González
In the last two decades vitamin D (VD) research has demonstrated new extraskeletal actions of this pre-hormone, suggesting a protective role of this secosteroid in the onset, progression and prognosis of several chronic noncommunicable diseases, such as cardiovascular disease, diabetes mellitus or cancer. Regarding carcinogenesis, both preclinical and epidemiological evidence available show oncoprotective actions of VD and its receptor, the VDR. However, in late neoplastic stages the VD system (VDS) seems to be less functional, which appears to be due to an epigenetic silencing of the system...
November 29, 2016: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/27913196/nf-kb-regulated-exosomal-mir-155-promotes-the-inflammation-associated-with-arsenite-carcinogenesis
#5
Chao Chen, Fei Luo, Xinlu Liu, Lu Lu, Hui Xu, Qianlei Yang, Junchao Xue, Le Shi, Jun Li, Aihua Zhang, Qizhan Liu
In the cancer microenvironment, extracellular communication allows various types of cells to coordinate and execute biological functions. Emerging evidence indicates that exosomes, as mediators of cell communication, are involved in tumor progression. Little is known, however, about the mechanism by which exosomal miRNAs regulate inflammatory infiltration in arsenite-induced liver cancer. The present research aimed to determine if miRNAs secreted from arsenite-transformed human hepatic epithelial (L-02) cells are transferred into normal L-02 and THLE-3 cells, which are functionally active in the recipient cells...
November 29, 2016: Cancer Letters
https://www.readbyqxmd.com/read/27912844/heparanase-from-basic-research-to-therapeutic-applications-in-cancer-and-inflammation
#6
Israel Vlodavsky, Preeti Singh, Ilanit Boyango, Lilach Gutter-Kapon, Michael Elkin, Ralph D Sanderson, Neta Ilan
Heparanase, the sole heparan sulfate degrading endoglycosidase, regulates multiple biological activities that enhance tumor growth, angiogenesis and metastasis. Heparanase expression is enhanced in almost all cancers examined including various carcinomas, sarcomas and hematological malignancies. Numerous clinical association studies have consistently demonstrated that upregulation of heparanase expression correlates with increased tumor size, tumor angiogenesis, enhanced metastasis and poor prognosis. In contrast, knockdown of heparanase or treatments of tumor-bearing mice with heparanase-inhibiting compounds, markedly attenuate tumor progression further underscoring the potential of anti-heparanase therapy for multiple types of cancer...
November 2016: Drug Resistance Updates: Reviews and Commentaries in Antimicrobial and Anticancer Chemotherapy
https://www.readbyqxmd.com/read/27911585/early-lung-disease-in-infants-and-pre-school-children-with-cystic-fibrosis-what-have-we-learnt-and-what-should-we-do-about-it
#7
Sarath C Ranganathan, Graham L Hall, Peter D Sly, Stephen M Stick, Tonia A Douglas
The past decade has seen significant advances in understanding of the pathogenesis and progression of lung disease in cystic fibrosis. Pulmonary inflammation, infection and structural lung damage manifest very early in life and is prevalent among preschool children and infants, often in the absence of symptoms or signs. Early childhood represents a pivotal period amenable to intervention strategies that could delay or prevent the onset of lung damage and alter the longer term clinical trajectory for individuals with CF...
December 2, 2016: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/27911218/aberrant-t-cell-immunity-triggered-by-human-respiratory-syncytial-virus-and-human-metapneumovirus-infection
#8
Andrea E González, Margarita K Lay, Evelyn L Jara, Janyra A Espinoza, Roberto S Gómez, Jorge Soto, Claudia A Rivera, Katia Abarca, Susan M Bueno, Claudia A Riedel, Alexis M Kalergis
Human Respiratory syncytial virus (hRSV) and human metapneumovirus (hMPV) are the two major etiological viral agents of lower respiratory tract diseases, affecting mainly infants, young children and the elderly. Although the infection of both viruses trigger an antiviral immune response that mediate viral clearance and disease resolution in immunocompetent individuals, the promotion of long-term immunity appears to be deficient and reinfection are common throughout life. A possible explanation for this phenomenon is that hRSV and hMPV, can induce aberrant T cell responses, which leads to exacerbated lung inflammation and poor T and B cell memory immunity...
December 2, 2016: Virulence
https://www.readbyqxmd.com/read/27909905/obesity-and-endometrial-cancer
#9
Eileen Shaw, Megan Farris, Jessica McNeil, Christine Friedenreich
Endometrial cancer is the sixth most common cancer in women worldwide and the most common gynecologic malignancy in the developed world. This chapter explores the current epidemiologic evidence on the association between obesity and endometrial cancer risk and mortality. Using body mass index (BMI) as a measure of obesity, we found that obesity (defined as BMI > 30 and < 35 kg/m(2)) was associated with a 2.6-fold increase in endometrial cancer risk, while severe obesity (BMI > 35 kg/m(2)) was associated with a 4...
2016: Recent Results in Cancer Research
https://www.readbyqxmd.com/read/27908628/biomarkers-of-the-health-outcomes-associated-with-ambient-particulate-matter-exposure
#10
Lixin Yang, Xiang-Yu Hou, Yongjie Wei, Phong Thai, Fahe Chai
Epidemiologic evidence supports the positive association of cardiopulmonary morbidity and mortality, and lung cancer risk with exposure to airborne particulate matter (PM). Oxidative stress and inflammation have been proposed to be the major causal factors involved in mediating PM effects on both cardiovascular and pulmonary health outcomes. However, the mechanism whereby PM causes the health effects is not fully elucidated. To evaluate and investigate human exposure to PM, it is essential to have a specific, sensitive and robust characterization of individual exposure to PM...
November 29, 2016: Science of the Total Environment
https://www.readbyqxmd.com/read/27908306/comparing-diffusion-weighted-imaging-with-clinical-and-blood-parameters-and-with-short-tau-inversion-recovery-sequence-in-detecting-spinal-and-sacroiliac-joint-inflammation-in-axial-spondyloarthritis
#11
Ho Yin Chung, Xiaopei Xu, Vince Wing Hang Lau, Grace Ho, Ka Lai Lee, Philip Hei Li, Helen Hoi Lun Tsang, Suet Kei Kwok, Chak Sing Lau, Chun Sing Wong
OBJECTIVES: To investigate the usefulness of diffusion weighted imaging (DWI) by comparing with clinical features, blood parameters and traditional short tau inversion recovery (STIR) sequence in detecting spinal and sacroiliac (SI) joint inflammation in axial spondyloarthritis (axSpA) patients. METHODS: One hundred and ten axSpA patients were recruited. Clinical, radiological and blood parameters were recorded. DWI and STIR MRI were performed simultaneously and results were scored according to the Spondyloarthritis Research Consortium of Canada (SPARCC) for comparison...
November 13, 2016: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/27906544/lfa-1-icam-1-interaction-as-a-therapeutic-target-in-dry-eye-disease
#12
Stephen C Pflugfelder, Michael Stern, Steven Zhang, Amir Shojaei
Dry eye disease (DED) is a common ocular disorder associated with inflammation of the lacrimal gland and ocular surface. The interaction of the integrin lymphocyte function-associated antigen-1 (LFA-1) with its cognate ligand intercellular adhesion molecule-1 (ICAM-1) is known to have important roles in the interaction of a variety of cells involved in immune responses and inflammation, including those prominent in ocular surface inflammation. Lifitegrast, an LFA-1 antagonist that blocks binding of ICAM-1 to LFA-1, has recently been approved in the United States for the treatment of signs and symptoms of DED...
December 1, 2016: Journal of Ocular Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/27905920/synergistic-effects-and-related-bioactive-mechanism-of-potentilla-fruticosa-l-leaves-combined-with-ginkgo-biloba-extracts-studied-with-microbial-test-system-mts
#13
Ze-Hua Liu, Dong-Mei Wang, Su-Fang Fan, Deng-Wu Li, Zi-Wen Luo
BACKGROUND: Potentilla fruticosa, also called "Jinlaomei" and "Gesanghua", is widely used as folk herbs in traditional Tibetan medicine in China to treat inflammations, wounds, certain forms of cancer, diarrhoea, diabetes and other ailments. Previous research found P. fruticosa leaf extract (C-3) combined with Ginkgo biloba extracts (EGb) showed obvious synergistic effects in a variety of oxidation systems. The aim of the present study was to further confirm the synergy of P. fruticosa combined with EGb viewed from physiological bioavailability and explore the related bioactive mechanism behind the synergism...
December 1, 2016: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/27904969/metabolic-responses-and-omics-technologies-for-elucidating-the-effects-of-heat-stress-in-dairy-cows
#14
REVIEW
Li Min, Shengguo Zhao, He Tian, Xu Zhou, Yangdong Zhang, Songli Li, Hongjian Yang, Nan Zheng, Jiaqi Wang
Heat stress (HS) negatively affects various industries that rely on animal husbandry, particularly the dairy industry. A better understanding of metabolic responses in HS dairy cows is necessary to elucidate the physiological mechanisms of HS and offer a new perspective for future research. In this paper, we review the current knowledge of responses of body metabolism (lipid, carbohydrate, and protein), endocrine profiles, and bovine mammary epithelial cells during HS. Furthermore, we summarize the metabolomics and proteomics data that have revealed the metabolite profiles and differentially expressed proteins that are a feature of HS in dairy cows...
November 30, 2016: International Journal of Biometeorology
https://www.readbyqxmd.com/read/27904147/penile-constitutive-nitric-oxide-synthase-expression-in-rats-exposed-to-unpredictable-chronic-mild-stress-role-of-inflammation
#15
T D Şahin, Y Yazır, T Utkan, S S Göçmez, D Bayramgürler
Chronic psychological stress cause erectile dysfunction (ED). Considering recent evidence that tumor necrosis factor-α (TNF-α) levels are increased in serum of patients with ED, the present study investigated the effects of infliximab (a TNF-α blocker) on endothelial nitric oxide synthase (eNOS) and neuronal NOS (nNOS) immunoreactivity of rat penile corpus cavernosum in unpredictable chronic mild stress (UCMS). Male adult rats were randomly divided into three groups (n=8 per group): Control, UCMS and UCMS+infliximab...
December 1, 2016: International Journal of Impotence Research
https://www.readbyqxmd.com/read/27903432/antigen-presentation-for-priming-t-cellsin-central-system
#16
Shaoni Dasgupta, Subhajit Dasgupta
Generation of myelin antigen-specific T cells is a major event in neuroimmune responses that causes demyelination. The antigen-priming of T cells and its location is important in chronic and acute inflammation. In autoimmune multiple sclerosis, the effector T cells are considered to generate in periphery. However, the reasons for chronic relapsing-remitting events are obscure. Considering mechanisms, a feasible aim of research is to investigate the role of antigen-primed T cells in lupus cerebritis. Last thirty years of investigations emphasize the relevance of microglia and infiltrated dendritic cells/macrophages as antigen presenting cells in the central nervous system...
November 26, 2016: International Journal of Biochemistry & Cell Biology
https://www.readbyqxmd.com/read/27903427/anti-inflammatory-effect-of-miltirone-on-inflammatory-bowel-disease-via-tlr4-nf-%C3%AE%C2%BAb-iqgap2-signaling-pathway
#17
Hongjian Wang, Junfei Gu, Xuefeng Hou, Juan Chen, Nan Yang, Ying Liu, Gang Wang, Mei Du, Huihui Qiu, Yi Luo, Ziyu Jiang, Liang Feng
Inflammatory bowel disease (IBD) is characterized by a radical imbalance in the activation of proinflammatory and anti-inflammatory signaling pathways in the gut. This study was conducted to evaluate the anti-inflammation effect of miltirone against IBD in vitro and in vivo, and try to explore the underlying mechanisms. Miltirone could extenuate the loss of colon length and weight caused by TNBS. Additionally, macroscopic scores and DAI were reduced significantly compared with the TNBS group. The levels of TNF-α, IL-1β, IL-6 and IL-8 were increased significantly with the induction by TNBS (100mg/kg) or LPS (0...
November 27, 2016: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/27902747/joint-profiling-of-mirnas-and-mrnas-reveals-mirna-mediated-gene-regulation-in-the-g%C3%A3-ttingen-minipig-obesity-model
#18
Caroline M Junker Mentzel, Ferhat Alkan, Helle Keinicke, Mette J Jacobsen, Jan Gorodkin, Merete Fredholm, Susanna Cirera
Obesity and its comorbidities are an increasing challenge for both affected individuals and health care systems, worldwide. In obese individuals, perturbation of expression of both protein-coding genes and microRNAs (miRNA) are seen in obesity-relevant tissues (i.e. adipose tissue, liver and skeletal muscle). miRNAs are small non-coding RNA molecules which have important regulatory roles in a wide range of biological processes, including obesity. Rodents are widely used animal models for human diseases including obesity...
2016: PloS One
https://www.readbyqxmd.com/read/27902638/the-pathophysiology-of-geographic-atrophy-secondary-to-age-related-macular-degeneration-and-the-complement-pathway-as-a-therapeutic-target
#19
David S Boyer, Ursula Schmidt-Erfurth, Menno van Lookeren Campagne, Erin C Henry, Christopher Brittain
PURPOSE: Geographic atrophy (GA) is an advanced, vision-threatening form of age-related macular degeneration (AMD) affecting approximately five million individuals worldwide. To date, there are no approved therapeutics for GA treatment; however, several are in clinical trials. This review focuses on the pathophysiology of GA, particularly the role of complement cascade dysregulation and emerging therapies targeting the complement cascade. METHODS: Primary literature search on PubMed for GA, complement cascade in age-related macular degeneration...
November 29, 2016: Retina
https://www.readbyqxmd.com/read/27900547/estimating-prevalence-of-functional-iron-deficiency-anaemia-in-advanced-cancer
#20
Karen Neoh, Simon Stanworth, Sant-Rayn Pasricha, Michael I Bennett
PURPOSE: Anaemia is a common complication of cancer causing symptoms including fatigue. It is also associated with shorter survival. Cancer causes systemic inflammation which interrupts iron metabolism leading to a functional iron deficiency (FID). There are few data on prevalence or aetiology of anaemia in those with advanced cancer. We aimed to establish the prevalence of anaemia and estimate extent of FID anaemia in patients with advanced cancer. METHODS: All patients with advanced cancer referred to two UK specialist palliative care services over 1 year were identified...
November 29, 2016: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
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