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https://www.readbyqxmd.com/read/28921458/pharmacogenetics-and-pharmacogenomics-in-moderate-to-severe-psoriasis
#1
REVIEW
María C Ovejero-Benito, Ester Muñoz-Aceituno, Alejandra Reolid, Miriam Saiz-Rodríguez, Francisco Abad-Santos, Esteban Daudén
Pharmacogenetics is the study of variations in DNA sequence related to drug response. Moreover, the evolution of biotechnology and the sequencing of human DNA have allowed the creation of pharmacogenomics, a branch of genetics that analyzes human genes, the RNAs and proteins encoded by them, and the inter-and intra-individual variations in expression and function in relation to drug response. Pharmacogenetics and pharmacogenomics are being used to search for biomarkers that can predict response to systemic treatments, including those for moderate-to-severe psoriasis...
September 18, 2017: American Journal of Clinical Dermatology
https://www.readbyqxmd.com/read/28916644/subset-and-tissue-defined-stat5-thresholds-control-homeostasis-and-function-of-innate-lymphoid-cells
#2
Alejandro V Villarino, Giuseppe Sciumè, Fred P Davis, Shigeru Iwata, Beatrice Zitti, Gertraud W Robinson, Lothar Hennighausen, Yuka Kanno, John J O'Shea
Innate lymphoid cells (ILCs) patrol environmental interfaces to defend against infection and protect barrier integrity. Using a genetic tuning model, we demonstrate that the signal-dependent transcription factor (TF) STAT5 is critical for accumulation of all known ILC subsets in mice and reveal a hierarchy of STAT5 dependency for populating lymphoid and nonlymphoid tissues. We apply transcriptome and genomic distribution analyses to define a STAT5 gene signature in natural killer (NK) cells, the prototypical ILC subset, and provide a systems-based molecular rationale for its key functions downstream of IL-15...
September 15, 2017: Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28915241/the-relative-contribution-of-dna-methylation-and-genetic-variants-on-protein-biomarkers-for-human-diseases
#3
Muhammad Ahsan, Weronica E Ek, Mathias Rask-Andersen, Torgny Karlsson, Allan Lind-Thomsen, Stefan Enroth, Ulf Gyllensten, Åsa Johansson
Associations between epigenetic alterations and disease status have been identified for many diseases. However, there is no strong evidence that epigenetic alterations are directly causal for disease pathogenesis. In this study, we combined SNP and DNA methylation data with measurements of protein biomarkers for cancer, inflammation or cardiovascular disease, to investigate the relative contribution of genetic and epigenetic variation on biomarker levels. A total of 121 protein biomarkers were measured and analyzed in relation to DNA methylation at 470,000 genomic positions and to over 10 million SNPs...
September 15, 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28910746/transport-of-imidazolium-based-ionic-liquids-with-different-anion-cation-species-in-sand-soil-columns
#4
Zhiqiang Dong, Li Wei, Suwei Xu, Jingwei Sun, Xinyi Shi, Yuping Qiu
Ionic liquids (ILs) have been widely used as environmentally friendly solvents to replace volatile organic solvents in the chemistry industries. They have a high water solubility and potential risk to organisms in the soil-water environment. At present, most studies focused on the batch sorption of ILs in soil and neglected the investigation of IL transports in soil, which results in a lack of understanding of the structure-dependent mobility of ILs in the environment. Laboratory-scale sand/soil column experiments were performed to study the transport of imidazolium-based ILs, such as [C4mim][OTF], [C4mim][TOS], [C4mim][MeSO3], [C4mim][BF4], [C2mim][BF4], and [C6mim][BF4] including different counteranions and alkyl chain lengths of IL cations...
September 11, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28906356/shared-polymorphisms-and-modifiable-behavior-factors-for-myocardial-infarction-and-high-cholesterol-in-a-retrospective-population-study
#5
Yulan Liang, Arpad Kelemen
Genetic and environmental (behavior, clinical, and demographic) factors are associated with increased risks of both myocardial infarction (MI) and high cholesterol (HC). It is known that HC is major risk factor that may cause MI. However, whether there are common single nucleotide polymorphism (SNPs) associated with both MI and HC is not firmly established, and whether there are modulate and modified effects (interactions of genetic and known environmental factors) on either HC or MI, and whether these joint effects improve the predictions of MI, is understudied...
September 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28899400/impact-of-combined-sodium-chloride-and-saturated-long-chain-fatty-acid-challenge-on-the-differentiation-of-t-helper-cells-in-neuroinflammation
#6
Anna Hammer, Anne Schliep, Stefanie Jörg, Aiden Haghikia, Ralf Gold, Markus Kleinewietfeld, Dominik N Müller, Ralf A Linker
BACKGROUND: There has been a marked increase in the incidence of autoimmune diseases like multiple sclerosis (MS) in the last decades which is most likely driven by a change in environmental factors. Here, growing evidence suggests that ingredients of a Western diet like high intake of sodium chloride (NaCl) or saturated fatty acids may impact systemic immune responses, thus increasing disease susceptibility. Recently, we have shown that high dietary salt or long-chain fatty acid (LCFA) intake indeed aggravates T helper (Th) cell responses and neuroinflammation...
September 12, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28895861/integrated-effect-of-seasons-and-lactation-stages-on-the-plasma-inflammatory-cytokines-function-and-receptor-expression-of-milk-neutrophils-in-sahiwal-bos-indicus-cows
#7
Mohanned Naif Alhussien, Ajay Kumar Dang
Mastitis is a highly prevalent and one of the costliest diseases of dairy cows affecting the mammary gland. Milk neutrophils present in the mammary gland serve as an integral part of the mammary immunity, and their performance is influenced by different environmental conditions and lactation stages. To investigate the combined effects of seasons and lactation stages on the mammary immunity, milk and blood samples were collected from three groups of high producing indigenous Sahiwal cows. Function and receptor expression of milk neutrophils together with cortisol and inflammatory interleukins concentration in blood were studied...
September 2017: Veterinary Immunology and Immunopathology
https://www.readbyqxmd.com/read/28893952/il-4-il-13-signaling-inhibits-the-potential-of-early-thymic-progenitors-to-commit-to-the-t-cell-lineage
#8
Subhasis Barik, Mindy M Miller, Alexis N Cattin-Roy, Tobechukwu K Ukah, Weirong Chen, Habib Zaghouani
Early thymic progenitors (ETPs) are endowed with diverse potencies and can give rise to myeloid and lymphoid lineage progenitors. How the thymic environment guides ETP commitment and maturation toward a specific lineage remains obscure. We have previously shown that ETPs expressing the heteroreceptor (HR) comprising IL-4Rα and IL-13Rα1 give rise to myeloid cells but not T cells. In this article, we show that signaling through the HR inhibits ETP maturation to the T cell lineage but enacts commitment toward the myeloid cells...
September 11, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28890695/acute-hypoxia-induced-an-imbalanced-m1-m2-activation-of-microglia-through-nf-%C3%AE%C2%BAb-signaling-in-alzheimer-s-disease-mice-and-wild-type-littermates
#9
Feng Zhang, Rujia Zhong, Song Li, Zhenfa Fu, Cheng Cheng, Huaibin Cai, Weidong Le
Alzheimer's disease (AD) is the most common neurodegenerative disease mainly caused by abnormal tau phosphorylation, amyloid β (Aβ) deposition and neuroinflammation. As an important environmental factor, hypoxia has been reported to aggravate AD via exacerbating Aβ and tau pathologies. However, the link between hypoxia and neuroinflammation, especially the changes of pro-inflammatory M1 or anti-inflammation M2 microglia phenotypes in AD, is still far from being clearly investigated. Here, we evaluated the activation of microglia in the brains of APP(swe)/PS1(dE9) transgenic (Tg) mice and their wild type (Wt) littermates, after a single episode of acute hypoxia (24 h) exposure...
2017: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/28890086/sensory-neurons-co-opt-classical-immune-signaling-pathways-to-mediate-chronic-itch
#10
Landon K Oetjen, Madison R Mack, Jing Feng, Timothy M Whelan, Haixia Niu, Changxiong J Guo, Sisi Chen, Anna M Trier, Amy Z Xu, Shivani V Tripathi, Jialie Luo, Xiaofei Gao, Lihua Yang, Samantha L Hamilton, Peter L Wang, Jonathan R Brestoff, M Laurin Council, Richard Brasington, András Schaffer, Frank Brombacher, Chyi-Song Hsieh, Robert W Gereau, Mark J Miller, Zhou-Feng Chen, Hongzhen Hu, Steve Davidson, Qin Liu, Brian S Kim
Mammals have evolved neurophysiologic reflexes, such as coughing and scratching, to expel invading pathogens and noxious environmental stimuli. It is well established that these responses are also associated with chronic inflammatory diseases, including asthma and atopic dermatitis. However, the mechanisms by which inflammatory pathways promote sensations such as itch remain poorly understood. Here, we show that type 2 cytokines directly activate sensory neurons in both mice and humans. Further, we demonstrate that chronic itch is dependent on neuronal IL-4Rα and JAK1 signaling...
August 26, 2017: Cell
https://www.readbyqxmd.com/read/28888963/sex-differences-in-the-mitochondrial-bioenergetics-of-astrocytes-but-not-microglia-at-a-physiologically-relevant-brain-oxygen-tension
#11
Sausan M Jaber, Evan A Bordt, Niraj M Bhatt, Daniel M Lewis, Sharon Gerecht, Gary Fiskum, Brian M Polster
Biological sex is thought to influence mitochondrial bioenergetic function. Previous respiration measurements examining brain mitochondrial sex differences were made at atmospheric oxygen using isolated brain mitochondria. Oxygen is 160 mm Hg (21%) in the atmosphere, while the oxygen tension in the brain generally ranges from ∼5 to 45 mm Hg (∼1-6% O2). This study tested the hypothesis that sex and/or brain physiological oxygen tension influence the mitochondrial bioenergetic properties of primary rat cortical astrocytes and microglia...
September 6, 2017: Neurochemistry International
https://www.readbyqxmd.com/read/28888782/tnfaip3-levels-in-lung-dendritic-cells-instruct-th2-or-th17-cell-differentiation-in-eosinophilic-or-neutrophilic-asthma
#12
Heleen Vroman, Ingird M Bergen, Jennifer A C van Hulst, Memno van Nimwegen, Denise van Uden, Martin J Schuijs, Saravanan Y Pillai, Geert van Loo, Hamida Hammad, Bart N Lambrecht, Rudi W Hendriks, Mirjam Kool
BACKGROUND: It is currently unknown, why allergen exposure or environmental triggers in mild to moderate asthma patients results in Th2-mediated eosinophilic inflammation, whereas severe asthma patients often present with Th17-mediated neutrophilic inflammation. The activation state of dendritic cells (DCs) is crucial for both Th2 and Th17-cell differentiation, and is mediated through NF-κB activation. Ablation of TNFAIP3, one of the crucial negative regulators of NF-κB activation in myeloid cells and DCs was shown to control DC activation...
September 6, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28887948/psoriasis-pathogenesis-and-the-development-of-novel-targeted-immune-therapies
#13
REVIEW
Jason E Hawkes, Tom C Chan, James G Krueger
Psoriasis is caused by a complex interplay between the immune system, psoriasis-associated susceptibility loci, autoantigens, and multiple environmental factors. Over the last 2 decades, research has unequivocally shown that psoriasis represents a bona fide T cell-mediated disease primarily driven by pathogenic T cells that produce high levels of IL-17 in response to IL-23. The discovery of the central role for the IL-23/type 17 T-cell axis in the development of psoriasis has led to a major paradigm shift in the pathogenic model for this condition...
September 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28884180/facile-synthesis-of-photoluminescent-inorganic-organic-hybrid-carbon-dots-codoped-with-b-and-n-towards-an-efficient-lubrication-additive
#14
Yunxiao Zhang, Tao Cai, Wangji Shang, Dan Liu, Qiang Guo, Shenggao Liu
A novel environmentally friendly bis-functional dicationic ionic liquid containing chelated orthoborate was synthesized and polycondensed with glutamic acid in order to synthesize inorganic-organic carbon dots (CD/IL) consisting of an ionic liquid moiety inserted in the carbon skeleton. The obtained CD/IL was found to be a new kind of nitrogen/boron-codoped nanomaterial, one with a mean particle diameter of 2.66 nm. CD/IL was verified to be a high-performance lubricant additive: in particular, the anti-wear and friction-reducing properties of poly(ethylene glycol) (PEG) were improved by 89...
September 28, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28881593/association-of-genetic-polymorphisms-in-il-1r1-and-il-1r2-genes-with-iga-nephropathy-in-the-han-chinese-population
#15
Maowei Xie, Daofa Zhang, Yin Zhang, Xiaohong Yang, Yan Su, Yanni Wang, Haiyang Huang, Hui Han, Wenning Li, Keying Fu, Huiluan Su, Wentan Xu, Jiali Wei
AIM: IgA nephropathy (IgAN) is the major cause of end-stage renal disease(ESRD) in Asia and its pathogenesis is influenced by both genetic and environmental factors. Single nucleotide polymorphisms (SNPs) in IL1R1 and IL-1R2 may be associated with susceptibility to IgAN. In this study, we study the association between genetic variants of IL-1R1 and IL-1R2 and IgA nephropathy risk in the Chinese Han population. RESULT: In the allelic model analysis, the rs10490571 and rs3917225 were associated with a 1...
August 1, 2017: Oncotarget
https://www.readbyqxmd.com/read/28881142/thermal-and-cytokine-responses-to-endotoxin-challenge-during-early-life
#16
Fiona Brigid McDonald, Ahmad M Khawaja, Ahmad Ali Imran, Margot E Ellis, Kumaran Chandrasekharan, Shabih U Hasan
Sudden infant death syndrome (SIDS) remains the leading cause of infant mortality beyond the neonatal period. An increase in body temperature as a result of high environmental temperature, over-wrapping of infants and/or infection are associated with SIDS. Endotoxins such as lipopolysaccharide (LPS) and heat stress may perturb cardiorespiratory function and thermoregulation. Although LPS-mediated body temperature and cytokine responses are well-documented in older animals, the capacity of LPS to induce fever and cytokine response in young rats remains unclear...
September 7, 2017: Canadian Journal of Physiology and Pharmacology
https://www.readbyqxmd.com/read/28880739/methionine-supplemented-diet-affects-the-expression-of-cardiovascular-disease-related-genes-and-increases-inflammatory-cytokines-in-mice-heart-and-liver
#17
Alexandre Ferro Aissa, Catia Lira do Amaral, Vinicius Paula Venancio, Carla da Silva Machado, Lívia Cristina Hernandes, Patrick Wellington da Silva Santos, Rui Curi, Maria de Lourdes Pires Bianchi, Lusânia Maria Greggi Antunes
Some important environmental factors that influence the development of cardiovascular diseases (CVD) include tobacco, excess alcohol, and unhealthy diet. Methionine obtained from the diet participates in the synthesis of DNA, proteins, lipids and affects homocysteine levels, which is associated with the elevated risk for CVD development. Therefore, the aim of this study was to investigate the manner in which dietary methionine might affect cellular mechanisms underlying CVD occurrence. Swiss albino mice were fed either control (0...
September 7, 2017: Journal of Toxicology and Environmental Health. Part A
https://www.readbyqxmd.com/read/28874762/cytocompatible-anti-microbial-dressings-of-syzygium-cumini-cellulose-nanocrystals-decorated-with-silver-nanoparticles-accelerate-acute-and-diabetic-wound-healing
#18
Rubbel Singla, Sourabh Soni, Vikram Patial, Pankaj Markand Kulurkar, Avnesh Kumari, Mahesh S, Yogendra S Padwad, Sudesh Kumar Yadav
The ever increasing incidences of non-healing skin wounds have paved way for many efforts on the convoluted process of wound healing. Unfortunately, the lack of relevance and success of modern wound dressings in healing of acute and diabetic wounds still remains a matter of huge concern. Here, an in situ three step approach was embraced for the development of nanocomposite (NCs) dressings by impregnating silver nanoparticles (AgNPs) onto a matrix of cellulose nanocrystals (CNCs) isolated from Syzygium cumini leaves using an environmental friendly approach...
September 5, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28866883/determination-of-residual-concentration-of-ionic-liquids-with-different-anions-and-alkyl-chain-lengths-in-water-and-soil-samples
#19
Tongtong Zhou, Jinhua Wang, Cheng Zhang, Jun Zhang, Lusheng Zhu, Zhongkun Du, Jun Wang
Considering the wide synthesis and application of ionic liquids (ILs), the toxicity of ILs has recently gained growing attention. However, few studies focused on IL determination methods in environmental samples. In the present study, we implemented the determination methods for the 12 ILs with different chemical structures using high performance liquid chromatography (HPLC) and ultraviolet (UV) spectrophotometry. The optimum conditions for extraction of ILs from soil samples were also obtained by single-factor experiments and response surface methodology (RSM)...
September 2, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28860542/genetic-association-study-of-common-variants-in-tgfb1-and-il-6-with-developmental-dysplasia-of-the-hip-in-han-chinese-population
#20
Wenlong Ma, Zhuqing Zha, Ke Chen, Honggan Chen, Yixin Wu, Jianbing Ma, Sixiang Zeng, Liqiang Zhi, Shuxin Yao
Developmental dysplasia of the hip (DDH) is a congenital or developmental deformation or misalignment of the hip joint that is affected by environmental and genetic factors. Recently, polymorphisms in both TGFB1 and IL-6 have been identified as being significantly associated with hip osteoarthritis in Caucasians. In this study, we conducted a case-control study involving 4,206 Han Chinese individuals to investigate the effects of TGFB1 and IL-6 on the disease status and severity of DDH. A total of 32 single-nucleotide polymorphisms (SNPs) were selected to ensure coverage of the two genetic loci...
August 31, 2017: Scientific Reports
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