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https://www.readbyqxmd.com/read/27903205/predicting-neurological-deficit-severity-due-to-subarachnoid-haemorrhage-soluble-cd40-ligand-and-platelet-derived-growth-factor-bb
#1
Yoshitaka Kubo, Takahiro Koji, Jun Yoshida, Akira Ogawa, Kuniaki Ogasawara
BACKGROUND: Several biological markers can predict outcomes in patients with subarachnoid haemorrhage (SAH), but markers to predict neurological deficit severity in patients with SAH and poor neurological condition have not yet been established. Soluble CD40 ligand (sCD40L) and platelet-derived growth factor (PDGF) are related to the systemic inflammatory response. OBJECTIVE: In a prospective study, to investigate the relationship between clinical outcomes and blood test results in patients with SAH and severe neurological deficits...
December 2016: Critical Care and Resuscitation: Journal of the Australasian Academy of Critical Care Medicine
https://www.readbyqxmd.com/read/27898457/ethnicity-cortisol-and-experimental-pain-responses-among-persons-with-symptomatic-knee-osteoarthritis
#2
Matthew S Herbert, Burel R Goodin, Hailey W Bulls, Adriana Sotolongo, Megan E Petrov, Jeffrey C Edberg, Laurence A Bradley, Roger B Fillingim
OBJECTIVES: While several factors are known to contribute to ethnic differences in pain, relatively little attention has been devoted to physiological factors. Our first aim was to examine the relationship between cortisol and pain responses during a cold-pressor task (CPT) among African American (AA) and non-Hispanic White (NHW) adults with knee osteoarthritis (OA). Our second aim was to assess the relationship between perceived racial discrimination and cortisol among AA participants...
November 28, 2016: Clinical Journal of Pain
https://www.readbyqxmd.com/read/27896475/an-exploratory-association-of-polymorphisms-in-angiogenesis-related-genes-with-susceptibility-clinical-response-and-toxicity-in-gastrointestinal-stromal-tumors-receiving-sunitinib-after-imatinib-failure
#3
Gloria Ravegnini, Margherita Nannini, Corrado Zenesini, Vittorio Simeon, Giulia Sammarini, Milena Urbini, Lidia Gatto, Maristella Saponara, Guido Biasco, Maria A Pantaleo, Nicola Venturoli, Patrizia Hrelia, Sabrina Angelini
The angiogenic pathway plays a pivotal role in tumor growth, invasiveness and metastasis. The most important actors in the angiogenic pathway are VEGFA and its receptors VEGFR1, 2 and 3. These genes are polymorphic, and the presence of single nucleotide polymorphisms may result in angiogenic deregulation. Herein, we hypothesized that germline variants may affect sunitinib efficacy (TTP and OS) and/or toxicity. Therefore, we investigated 19 polymorphisms, in four genes, in 54 GIST patients, treated with second-line sunitinib and 147 healthy controls...
November 28, 2016: Angiogenesis
https://www.readbyqxmd.com/read/27894401/association-between-the-cytotoxic-t-lymphocyte-antigen-4-mutations-and-the-susceptibility-to-systemic-lupus-erythematosus-contribution-markers-of-inflammation-and-oxidative-stress
#4
M Tanhapour, A Vaisi-Raygani, F Bahrehmand, M Khazaei, A Kiani, Z Rahimi, H Nomani, H Tavilani, T Pourmotabbed
: The cytotoxic T lymphocyte antigen-4 (CTLA-4) also known as CD152 (cluster of differentiation 152) is a crucial negative regulator of the immune system. This protein receptor provides negative signals in order to suppress T-cell activation and immune attack against self-antigens, although its role is unclear.  The ability of CTLA-4 to limit T cell-mediated immune response has made it a major target in treatment of tumors and autoimmune diseases such as systemic lupus erythematosus (SLE)...
October 31, 2016: Cellular and Molecular Biology
https://www.readbyqxmd.com/read/27892731/is-arachidonic-acid-stimulation-really-a-test-for-the-response-to-aspirin-time-to-think-again
#5
Bartosz Olechowski, Alexander Ashby, Mark Mariathas, Vikram Khanna, Michael Mahmoudi, Nick Curzen
Platelets play a key role in pathogenesis of atherothrombosis. Activated platelets initiate thrombus formation. Antiplatelet therapy (APT) modifies these properties. APT involves aspirin. The existence of "aspirin resistance" is reported in many populations with cardiovascular disease. The prevalence of this phenomenon is highly variable, affecting more than 50% of patient subgroups in some papers. Areas covered: This review describes the prevalence of "aspirin resistance", analyses why there is so much apparent variation and addresses whether the commonly used tests of aspirin response are in fact accurately assessing its functional performance...
November 28, 2016: Expert Review of Cardiovascular Therapy
https://www.readbyqxmd.com/read/27862978/abcc3-polymorphisms-and-mrna-expression-influence-the-concentration-of-a-carboxylic-acid-metabolite-in-patients-on-clopidogrel-and-aspirin-therapy
#6
André Ducati Luchessi, Marta Concheiro, Juliana de Freitas Germano, Vivian Nogueira Silbiger, Raul Hernandes Bortolin, Angelines Cruz, Oscar Quintela, Maria Brion, Angel Carracedo, Andres Iñiguez, Marisol Bravo, Manuel López-Rivadulla, Rosario Dominguez Crespo Hirata, Amanda Guerra Moraes Rego Sousa, Mario Hiroyuki Hirata
Acetylsalicylic acid and clopidogrel combined therapy has been reported to be beneficial in patients with acute coronary syndrome (ACS). Antiplatelet drug resistance, especially to clopidogrel, is a multifactorial phenomenon that affects a large number of ACS patients. The genetic contribution to this drug response is not fully elucidated. We investigated the relationship of ABC-type efflux subfamily C member 3 (ABCC3) polymorphisms and mRNA expression with plasma concentrations of clopidogrel, salicylic acid (SA), and a carboxylic acid metabolite (CAM)...
November 12, 2016: Basic & Clinical Pharmacology & Toxicology
https://www.readbyqxmd.com/read/27854467/parental-management-of-peers-and-autonomic-nervous-system-reactivity-in-predicting-adolescent-peer-relationships
#7
Kelly M Tu, Stephen A Erath, Mona El-Sheikh
The present study examined sympathetic and parasympathetic indices of autonomic nervous system reactivity as moderators of the prospective association between parental management of peers via directing of youths' friendships and peer adjustment in a sample of typically developing adolescents. Participants included 246 adolescents at Time 1 (T1) [47% boys; 66% European American (EA), 34% African American (AA)] and 226 adolescents at Time 2 (T2; 45% boys; 67% EA, 33% AA). Adolescents were approximately 16 and 17 years old at T1 and T2, respectively...
November 17, 2016: Developmental Psychology
https://www.readbyqxmd.com/read/27816293/tofacitinib-for-the-treatment-of-severe-alopecia-areata-and-variants-a-study-of-90-patients
#8
Lucy Y Liu, Brittany G Craiglow, Feng Dai, Brett A King
BACKGROUND: Alopecia areata (AA) is a common autoimmune disorder. There are no reliably effective therapies for AA. OBJECTIVE: We sought to evaluate the safety and efficacy of the Janus kinase 1/3 inhibitor, tofacitinib, in a series of patients over an extended period of time. METHODS: This is a retrospective study of patients age 18 years or older with AA with at least 40% scalp hair loss treated with tofacitinib. The primary end point was the percent change in Severity of Alopecia Tool (SALT) score during treatment...
November 2, 2016: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/27790227/genome-wide-gene-expressions-respond-differently-to-a-subgenome-origins-in-brassica-napus-synthetic-hybrids-and-natural-allotetraploid
#9
Dawei Zhang, Qi Pan, Chen Tan, Bin Zhu, Xianhong Ge, Yujiao Shao, Zaiyun Li
The young allotetraploid Brassica napus (2n = 38, AACC) is one of models to study genomic responses to allopolyploidization. The extraction of AA component from natural B. napus and then restitution of progenitor B. rapa should provide a unique opportunity to reveal the genome interplay for gene expressions during the evolution. Herein, B. napus hybrids (2n = 19, AC) between the extracted and extant B. rapa (2n = 20, AA) and the same B. oleracea genotype (2n = 18, CC) were studied by RNA-seq and compared with natural B...
2016: Frontiers in Plant Science
https://www.readbyqxmd.com/read/27788666/antioxidant-response-and-biocompatibility-of-curcumin-loaded-triblock-copolymeric-micelles
#10
Virginia Tzankova, Cvetelina Gorinova, Magdalena Kondeva-Burdina, Rumiana Simeonova, Stanislav Philipov, Spiro Konstantinov, Petar Petrov, Dimitar Galabov, Krassimira Yoncheva
To evaluate the safety profile of cationic micelles, based on triblock copolymer poly(dimethylaminoethyl methacrylate)-poly(e-caprolactone)-poly(dimethylaminoethyl methacrylate) (PDMAEMA9- PCL70-PDMAEMA9), the effects of empty (PM) and curcumin loaded micelles (PM-Curc) on nonenzyme induced lipid peroxidation (LPO) in vitro, hemolytic activity and morphological changes in some organs after repeated intraperitoneal administration in vivo were studied. To induce LPO, rat liver microsomes were incubated with a solution of iron sulfate and ascorbinic acid (Fe(2+)/AA)...
November 16, 2016: Toxicology Mechanisms and Methods
https://www.readbyqxmd.com/read/27771531/involvement-of-cb1-and-trpv1-receptors-located-in-the-ventral-medial-prefrontal-cortex-in-the-modulation-of-stress-coping-behavior
#11
A G Sartim, F A Moreira, S R L Joca
Cannabinoid type-1 (CB1) and transient receptor potential vanilloid type-1 (TRPV1) receptors may have opposite roles in modulating neural activity and, consequently, in regulating the stress response. These receptors are widely expressed in several brain structures, including the ventral medial prefrontal cortex (vmPFC). The functional consequences of the interaction between CB1 and TRPV1, however, have scarcely been explored. Therefore, we investigated if CB1 and TRPV1 receptors located in the vmPFC would be involved in the behavioral changes induced by the stress of the forced swim test (FST)...
October 19, 2016: Neuroscience
https://www.readbyqxmd.com/read/27770936/a-novel-electrochemical-sensor-based-on-fes-anchored-reduced-graphene-oxide-nanosheets-for-simultaneous-determination-of-dopamine-and-acetaminophen
#12
Xiaoya Liu, Enbo Shangguan, Jing Li, Sashuang Ning, Litan Guo, Quanmin Li
In this paper, FeS nanoparticles anchored on reduced graphene oxide (rGO) nanosheets are synthesized via a facile direct-precipitation method. For the first time, a novel electrochemical sensor is developed based on FeS/rGO nanosheets modified glassy carbon electrode (GCE). It has been proved that the resultant FeS/rGO/GCE sensor is very suitable for the individual and simultaneous measurement of dopamine (DA) and acetaminophen (AC) and delivers excellent anti-interference ability to ascorbic acid (AA) and uric acid (UA)...
January 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/27763885/duration-of-response-to-first-androgen-deprivation-therapy-time-to-castration-resistance-prostate-cancer-and-outcome-of-metastatic-castration-resistance-prostate-cancer-patients-treated-with-abiraterone-acetate
#13
Silvana Giacinti, Paolo Carlini, Michela Roberto, Maria Bassanelli, Lidia Strigari, Francesco Pavese, Anna M Aschelter, Alessandra Felici, Maurizio Valeriani, Francesco Cognetti, Paolo Marchetti
Abiraterone acetate (AA) demonstrated its efficacy in the treatment of patients with metastatic castration resistance prostate cancer (mCRPC) in predocetaxel and postdocetaxel setting. However, we learn from pivotal studies that forms of primary and acquired resistance to this drug exist. Patient selection becomes so crucial to optimize treatment results. Potential predictive biomarkers have been identified but are not yet validated. In this scenario, clinical features and disease characteristics may still be of value in selecting patients for different treatments...
January 2017: Anti-cancer Drugs
https://www.readbyqxmd.com/read/27763679/theory-based-pkpd-of-s-and-r-warfarin-and-effects-on-inr-influence-of-body-size-composition-and-genotype-in-cardiac-surgery-patients
#14
Ling Xue, Nick Holford, Xiao-Liang Ding, Zhen-Ya Shen, Chen-Rong Huang, Hua Zhang, Jing-Jing Zhang, Zhe-Ning Guo, Cheng Xie, Ling Zhou, Zhi-Yao Chen, Lin-Sheng Liu, Li-Yan Miao
AIMS: The aims of this study are to apply a theory based mechanistic model to describe the pharmacokinetics (PK) and pharmacodynamics (PD) of S- and R-warfarin. METHODS: Clinical data were obtained from 264 patients. Total concentrations for S- and R-warfarin were measured by ultra-high performance liquid tandem mass spectrometry. Genotypes were measured using pyrosequencing. A sequential population pharmacokinetic parameter with data method was used to describe the international normalized ratio (INR) time course...
October 20, 2016: British Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/27730697/recombinant-human-endostatin-inhibits-tnf-alpha-induced-receptor-activator-of-nf-%C3%AE%C2%BAb-ligand-expression-in-fibroblast-like-synoviocytes-in-mice-with-adjuvant-arthritis
#15
Qiu-Fang Gao, Xiu-Hong Zhang, Feng-Lai Yuan, Ming-Dong Zhao, Xia Li
Bone loss is a critical pathology responsible for the functional disability in patients with rheumatoid arthritis (RA). It is well known that receptor activator of nuclear factor kappa-B (NF-κB) ligand (RANKL) plays a crucial role in bone loss in RA. The purpose of this study was to determine whether recombinant human endostatin (rh-endostatin) mediates bone erosion in RA by regulation of RANKL expression in an experimental model of RA, consisting of mice with adjuvant-induced arthritis (AA). Cultured AA fibroblast-like synoviocytes (FLSs) obtained from these mice were induced by tumor necrosis factor-α (TNF-α) combined with or without rh-endostatin...
October 12, 2016: Cell Biology International
https://www.readbyqxmd.com/read/27725246/cdna-isolation-and-functional-characterization-of-squalene-synthase-gene-from-ornithogalum-caudatum
#16
Ming Liu, Li-Na Li, Yi-Ting Pan, Jian-Qiang Kong
As the first step of ongoing efforts to investigate the genes responsible for the biosynthesis of steroidal saponins in the medicinal plant Ornithogalum caudatum, this investigation reported the cDNA isolation, prokaryotic expression and functional characterization of squalene synthase (SQS) gene from O. caudatum for the first time. Specifically, two unigenes showing high sequence identity to SQS were retrieved from RNA-Taq data, and then a full-length OcSQS1 corresponding to the two unigenes was isolated from O...
October 7, 2016: Protein Expression and Purification
https://www.readbyqxmd.com/read/27714501/il28b-rs12980275-and-hla-rs4273729-genotypes-as-a-powerful-predictor-factor-for-rapid-early-and-sustained-virologic-response-in-patients-with-chronic-hepatitis-c
#17
Parvaneh Sedighimehr, Shiva Irani, Fatemeh Sakhaee, Farzam Vaziri, Mohammadreza Aghasadeghi, Seyed Mehdi Sadat, Fatemeh Rahimi Jamnani, Abolfazl Fateh, Seyed Davar Siadat
Single-nucleotide polymorphisms (SNPs) in the Interleukin-28B (IL28B) gene and rs4273729 in the human leukocyte antigen (HLA) gene in chronic hepatitis C (CHC) virus infection are important for predicting treatment outcome. In this study, the distribution of IL28B SNPs (rs12979860 and rs12980275) and HLA rs4273729 in rapid virologic response (RVR), complete early virologic response (cEVR) and sustained virologic response (SVR) in HCV Iranian patients with CHC virus infection was assessed. IL28B genotyping and rs4273729 were performed using the amplification refractory mutation system (ARMS)-PCR and direct sequencing in 190 CHC virus infections, respectively...
October 6, 2016: Archives of Virology
https://www.readbyqxmd.com/read/27706639/molecular-characterization-and-upregulation-of-cytosolic-manganese-superoxide-dismutase-by-imidazole-derivative-kk-42-in-macrobrachium-nipponense
#18
W F Wang, L M Mu, X S Wu, H Yang, Q J Ning
Imidazole derivative KK-42 is a well-known regulator of insect growth. KK-42 pretreatment has been shown to promote the survival of Macrobrachium nipponense infected with Aeromonas hydrophila, possibly via activation of superoxide dismutase (SOD). In this study, the cytMnSOD gene was cloned from the hepatopancreas of M. nipponense using the rapid amplification of cDNA ends technique. The full-length cDNA of cytMnSOD was 1233 bp long, and the open reading frame was 858 bp long, encoding a 286-aa protein with a 60-aa leader sequence...
August 29, 2016: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/27693848/kynurenine-3-monooxygenase-is-implicated-in-antidepressants-responsive-depressive-like-behaviors-and-monoaminergic-dysfunctions
#19
Tomoyuki Tashiro, Yuki Murakami, Akihiro Mouri, Yukio Imamura, Toshitaka Nabeshima, Yasuko Yamamoto, Kuniaki Saito
l-Tryptophan (TRP) is metabolized via serotonin and kynurenine pathways (KP). Several studies have demonstrated that abnormality of both pathways is involved in the pathogenesis of major depressive disorder (MDD). Kynurenine 3-monooxygenase (KMO), a pivotal enzyme in the KP, has been suggested to play major roles in physiological and pathological events mediated by bioactive kynurenine metabolites. In this study, we investigated the role of KMO in the emotional and cognitive functions by using KMO knockout (KO) mice...
September 28, 2016: Behavioural Brain Research
https://www.readbyqxmd.com/read/27670766/il17ra-gene-variants-and-anti-tnf-response-among-psoriasis-patients
#20
A Batalla, E Coto, J Gómez, N Eirís, D González-Fernández, C Gómez-De Castro, E Daudén, M Llamas-Velasco, R Prieto-Perez, F Abad-Santos, G Carretero, F S García, Y B Godoy, L F Cardo, B Alonso, S Iglesias, P Coto-Segura
Polymorphisms at genes encoding proteins involved in the pathogenesis of psoriasis (Psor) or in the mechanism of action of biological drugs could influence the treatment response. Because the interleukin (IL)-17 family has a central role in the pathogenesis of Psor, we hypothesized that IL17RA variants could influence the response to anti-TNF drugs among Psor patients. To address this issue we performed a cross-sectional study of Psor patients who received the biological treatments for the first time, with a follow-up of at least 6 months...
September 27, 2016: Pharmacogenomics Journal
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