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https://www.readbyqxmd.com/read/28222567/immune-biomarkers-for-the-diagnosis-of-mild-traumatic-brain-injury
#1
Ashley B Petrone, Valerie Gionis, Richard Giersch, Taura L Barr
BACKGROUND: In 2010, there were approximately 2.2 million emergency room visits associated with traumatic brain injury (TBI), with 80 percent diagnosed as mild TBI or concussion. In addition, there are a large number of TBIs, especially mild TBIs, which go either unreported by patients or initially undiagnosed by clinicians. Our team has previously identified a panel of immune-related genes that can diagnose ischemic stroke at triage, and due to shared pathophysiological mechanisms of TBI and stroke, we hypothesized that this panel of genes may also be utilized for the diagnosis of TBI...
February 10, 2017: NeuroRehabilitation
https://www.readbyqxmd.com/read/28222529/progressive-motor-deficit-is-mediated-by-the-denervation-of-neuromuscular-junctions-and-axonal-degeneration-in-transgenic-mice-expressing-mutant-p301s-tau-protein
#2
Zhuoran Yin, Femke Valkenburg, Betty E Hornix, Ietje Mantingh-Otter, Xingdong Zhou, Muriel Mari, Fulvio Reggiori, Debby Van Dam, Bart J L Eggen, Peter P De Deyn, Erik Boddeke
Tauopathies include a variety of neurodegenerative diseases associated with the pathological aggregation of hyperphosphorylated tau, resulting in progressive cognitive decline and motor impairment. The underlying mechanism for motor deficits related to tauopathy is not yet fully understood. Here, we use a novel transgenic tau mouse line, Tau 58/4, with enhanced neuron-specific expression of P301S mutant tau to investigate the motor abnormalities in association with the peripheral nervous system. Using stationary beam, gait, and rotarod tests, motor deficits were found in Tau 58/4 mice already 3 months after birth, which deteriorated during aging...
February 10, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28222527/gene-expression-and-methylation-analysis-of-abca7-in-patients-with-alzheimer-s-disease
#3
Kiyohiro Yamazaki, Yuta Yoshino, Takaaki Mori, Taku Yoshida, Yuki Ozaki, Tomoko Sao, Yoko Mori, Shinichiro Ochi, Jun-Ichi Iga, Shu-Ichi Ueno
BACKGROUND/OBJECTIVE: The aim of this study was to examine the blood gene expression and methylation of ATP-binding cassette sub-family A member 7 gene (ABCA7) as a biological marker of AD. METHODS: AD subjects (n = 50; 11 males, 77.7±6.05 years old) and age- and sex-matched healthy controls (n = 50) were recruited. A single nucleotide polymorphism in ABCA7 (rs3764650), methylation rates of CpG sites in the ABCA7 promoter region, and ABCA7 mRNA expression levels in peripheral blood were examined...
February 10, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28222501/a-molecular-case-control-study-of-association-of-hnf1a-gene-polymorphisms-rs2259816-and-rs7310409-with-risk-of-coronary-artery-disease-in-iranian-patients
#4
Samaneh Adami Barzi, Sayyed Mohammad Hossein Ghaderian, Zahra Noormohammadi
BACKGROUND: Coronary artery disease (CAD) is the one of the most common heart diseases, being the main factor of mortality and morbidity worldwide. CAD has been known as a multifactorial disease and its progression depends on genetic and environmental factors. Numerous studies have shown evidence for association between 12q24.3 locus and CAD. OBJECTIVES: In the present study, the association of two HNF1A polymorphisms, rs2259816 and rs7310409, located on 12q24.3 locus with CAD was investigated in Iranian patients...
January 24, 2017: Human Antibodies
https://www.readbyqxmd.com/read/28222462/decreased-frequencies-of-peripheral-blood-cd4-cd25-cd127-foxp3-in-patients-with-graves-disease-and-graves-orbitopathy-enhancing-effect-of-insulin-growth-factor-1-on-treg-cells
#5
Przemyslaw Pawlowski, Kamil Grubczak, Jerzy Kostecki, Elzbieta Ilendo-Poskrobko, Marcin Moniuszko, Malgorzata Pawlowska, Robert Rejdak, Joanna Reszec, Janusz Mysliwiec
Graves' orbitopathy (GO) is characterized by orbital T cell infiltration. We evaluated the regulatory T (Treg) cell fractions induced with IGF-1 in Graves' disease (GD) with and without GO. Peripheral blood mononuclear cells (PBMCs) were obtained from 13 patients with GD without eye manifestations; 10 patients with active GO; and 12 patients with nodular goiter (NG). All the patients from GD, GO, and NG were subclinical hyperthyroid. We analyzed the expression of Treg cell markers (CD4, CD25, CD127(-), Foxp3) on T cells and their ability to respond to IGF-1 stimulation...
February 21, 2017: Hormone and Metabolic Research, Hormon- und Stoffwechselforschung, Hormones et Métabolisme
https://www.readbyqxmd.com/read/28222436/recurrent-angioedema-occurrence-features-and-concomitant-diseases-in-an-italian-single-center-study
#6
Paola Triggianese, Maria Domenica Guarino, Chiara Pellicano, Mauro Borzi, Elisabetta Greco, Stella Modica, Caterina De Carolis, Roberto Perricone
BACKGROUND: Angioedema (AE) is a potentially life-threatening condition with hereditary (HAE), acquired (AAE), or iatrogenic causes. A careful workup allows for the identification of the etiology of attacks and the appropriate management. In this cohort study, based on a clinical practice setting, we aimed at investigating clinical and laboratory findings concerning different features of patients with recurrent AE who were referred to a single, tertiary-level center for HAE. METHODS: Clinical and laboratory data of patients fulfilling the criteria for C1-inhibitor-deficient HAE (C1-INH-HAE), C1-INH-AAE, angiotensin-converting enzyme inhibitor-related AE (ACEI-RA), and idiopathic AAE (I-AAE) were evaluated...
February 22, 2017: International Archives of Allergy and Immunology
https://www.readbyqxmd.com/read/28222408/severe-osteoporosis-with-multiple-spontaneous-vertebral-fractures-in-a-young-male-carrying-triple-polymorphisms-in-the-vitamin-d-receptor-collagen-type-1-and-low-density-lipoprotein-receptor-related-peptide-5-genes
#7
Maria P Yavropoulou, Panagoulia Kollia, Dimitris Chatzidimitriou, Stavroula Samara, Lemonia Skoura, John G Yovos
: Osteoporosis is a common disease with a strong genetic component. Several studies have reported the vitamin D receptor (VDR), collagen type I (COL1A1), and LDL receptor-related protein 5 (LRP5) genes as the most likely candidates. However, most of the studies have been carried out in postmenopausal women and older men and show inconsistent results. CASE PRESENTATION: We report a case of a 26-year old male who presented with severe back pain of acute onset, unrelated to any kind of trauma, and diffuse myalgia...
October 2016: Hormones: International Journal of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28222329/inflammatory-chemokines-and-their-receptors-in-human-visceral-leishmaniasis-gene-expression-profile-in-peripheral-blood-splenic-cellular-sources-and-their-impact-on-trafficking-of-inflammatory-cells
#8
Neetu Singh, Shyam Sundar
Chemokines play an important role in determining cellular composition at inflammatory sites, and as such, influence disease outcome. In this study, we investigated the expression profile and splenic cellular source of various inflammatory chemokines and their receptors in human visceral leishmaniasis (VL). The expression of chemokines or their receptors was measured at the gene and protein level by employing real time qPCR and a cytometric bead array assay, respectively. In addition, the cellular source of chemokines and their receptors in the spleen was identified employing gene expression analyses in sequentially selected cell subsets...
February 18, 2017: Molecular Immunology
https://www.readbyqxmd.com/read/28222310/circulating-mirna-associated-with-posttraumatic-stress-disorder-in-a-cohort-of-military-combat-veterans
#9
Christiana G Martin, Hyungsuk Kim, Sijung Yun, Whitney Livingston, Joseph Fetta, Vincent Mysliwiec, Tristin Baxter, Jessica M Gill
Posttraumatic stress disorder (PTSD) affects many returning combat veterans, but underlying biological mechanisms remain unclear. In order to compare circulating micro RNA (miRNA) of combat veterans with and without PTSD, peripheral blood from 24 subjects was collected following deployment, and isolated miRNA was sequenced. PTSD was associated with 8 differentially expressed miRNA. Pathway analysis shows that PTSD is related to the axon guidance and Wnt signaling pathways, which work together to support neuronal development through regulation of growth cones...
January 31, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28222097/a-genome-wide-association-study-identifies-a-lncrna-as-risk-factor-for-pathological-inflammatory-responses-in-leprosy
#10
Vinicius M Fava, Jeremy Manry, Aurélie Cobat, Marianna Orlova, Nguyen Van Thuc, Milton O Moraes, Carolinne Sales-Marques, Mariane M A Stefani, Ana Carla P Latini, Andrea F Belone, Vu Hong Thai, Laurent Abel, Alexandre Alcaïs, Erwin Schurr
Leprosy Type-1 Reactions (T1Rs) are pathological inflammatory responses that afflict a sub-group of leprosy patients and result in peripheral nerve damage. Here, we employed a family-based GWAS in 221 families with 229 T1R-affect offspring with stepwise replication to identify risk factors for T1R. We discovered, replicated and validated T1R-specific associations with SNPs located in chromosome region 10p21.2. Combined analysis across the three independent samples resulted in strong evidence of association of rs1875147 with T1R (p = 4...
February 21, 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28222022/central-and-peripheral-control-of-food-intake
#11
M M I Abdalla
The maintenance of the body weight at a stable level is a major determinant in keeping the higher animals and mammals survive. Th e body weight depends on the balance between the energy intake and energy expenditure. Increased food intake over the energy expenditure of prolonged time period results in an obesity. Th e obesity has become an important worldwide health problem, even at low levels. The obesity has an evil effect on the health and is associated with a shorter life expectancy. A complex of central and peripheral physiological signals is involved in the control of the food intake...
January 1, 2017: Endocrine Regulations
https://www.readbyqxmd.com/read/28221861/inhibiting-histone-deacetylase-as-a-means-to-reverse-resistance-to-angiogenesis-inhibitors-phase-i-study-of-abexinostat-plus-pazopanib-in-advanced-solid-tumor-malignancies
#12
Rahul Aggarwal, Scott Thomas, Nela Pawlowska, Imke Bartelink, Jennifer Grabowsky, Thierry Jahan, Amy Cripps, Armand Harb, Jim Leng, Anne Reinert, Ilaria Mastroserio, Thach-Giao Truong, Charles J Ryan, Pamela N Munster
Purpose This phase I trial evaluated epigenetic modulation of vascular endothelial growth factor (VEGF) and hypoxia-inducible factor by using a histone deacetylase abexinostat in combination with pazopanib to enhance response and reverse resistance. Patients and Methods Pazopanib was administered once a day on days 1 to 28 and abexinostat was administered orally twice a day on days 1 to 5, 8 to 12, and 15 to 19 (schedule A) or on days 1 to 4, 8 to 11, and 15 to 18 (schedule B). Dose escalation (3 + 3 design) in all solid tumors was followed by dose expansion in renal cell carcinoma (RCC)...
February 21, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28221367/transcriptomic-analyses-and-leukocyte-telomere-length-measurement-in-subjects-exposed-to-severe-recent-stressful-life-events
#13
N Lopizzo, S Tosato, V Begni, S Tomassi, N Cattane, M Barcella, G Turco, M Ruggeri, M A Riva, C M Pariante, A Cattaneo
Stressful life events occurring in adulthood have been found able to affect mood and behavior, thus increasing the vulnerability for several stress-related psychiatric disorders. However, although there is plenty of clinical data supporting an association between stressful life events in adulthood and an enhanced vulnerability for psychopathology, the underlying molecular mechanisms are still poorly investigated. Thus, in this study we performed peripheral/whole-genome transcriptomic analyses in blood samples obtained from 53 adult subjects characterized for recent stressful life events occurred within the previous 6 months...
February 21, 2017: Translational Psychiatry
https://www.readbyqxmd.com/read/28221328/retinotopic-fmri-reveals-visual-dysfunction-and-functional-reorganization-in-the-visual-cortex-of-mild-to-moderate-glaucoma-patients
#14
Wei Zhou, Eric R Muir, Kundandeep S Nagi, Steven Chalfin, Pavel Rodriguez, Timothy Q Duong
PURPOSE: To investigate retinotopic functional representation in the visual cortex of mild to moderate primary open-angle glaucoma (POAG) participants and age-matched normal volunteers using high-resolution retinotopic blood oxygenation level dependent (BOLD) functional magnetic resonance imaging (fMRI). METHODS: fMRI was performed on 9 POAG participants (61±11 y old) and 9 age-matched controls (58±5 y old) were studied. A wide-view visual presentation (±55 degrees) was used to evaluate central and peripheral vision...
February 17, 2017: Journal of Glaucoma
https://www.readbyqxmd.com/read/28221281/first-attempt-success-longevity-and-complication-rates-of-ultrasound-guided-peripheral-intravenous-catheters-in-children
#15
Alexandra M Vinograd, Joseph J Zorc, Anthony J Dean, Mary Kate F Abbadessa, Aaron E Chen
OBJECTIVE: The aim of this study was to examine the success rates, longevity, and complications of ultrasound-guided peripheral intravenous lines (USgPIVs) placed in a pediatric emergency department. METHODS: The study analyzed 300 USgPIV attempts in an urban tertiary-care pediatric emergency department. Data regarding USgPIV placement were collected from a 1-page form completed by the clinician placing the USgPIV. The time and reason for USgPIV removal were extracted from the medical record for patients with USgPIVs admitted to the hospital...
February 18, 2017: Pediatric Emergency Care
https://www.readbyqxmd.com/read/28221249/the-%C3%AE-4%C3%AE-1-homing-pathway-is-essential-for-ileal-homing-of-crohn-s-disease-effector-t-cells-in-vivo
#16
Sebastian Zundler, Anika Fischer, Daniela Schillinger, Marie-Theres Binder, Raja Atreya, Timo Rath, Rocío Lopez-Pósadas, Caroline J Voskens, Alastair Watson, Imke Atreya, Clemens Neufert, Markus F Neurath
BACKGROUND: The precise mechanisms controlling homing of T effector (Teff) cells to the inflamed gut in Crohn's disease (CD) are still unclear, and clinical outcome data from patients with inflammatory bowel disease treated with the anti-α4β7 integrin antibody vedolizumab suggest differences between ulcerative colitis and CD. METHODS: Expression of homing molecules was studied with flow cytometry and immunohistochemistry. Their functional role was investigated in in vitro adhesion assays and in a humanized mouse model of T cell homing to the inflamed gut in vivo...
March 2017: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/28221173/new-developments-in-transplant-proteomics
#17
Julie Ho, Patricia Hirt-Minkowski, John A Wilkins
PURPOSE OF REVIEW: Despite modern immunosuppression, renal allograft rejection remains a major contributor to graft loss. Novel biomarkers may help improve posttransplant outcomes through the early detection and treatment of rejection. Our objective is to provide an overview of proteomics, review recent discovery-based rejection studies, and explore innovative approaches in biomarker development. RECENT FINDINGS: Urine MMP7 was identified as a biomarker of subclinical and clinical rejection using two-dimensional liquid chromatography tandem-mass spectrometry (LC-MS/MS) and improved the overall diagnostic discrimination of urine CXCL10 : Cr alone for renal allograft inflammation...
February 17, 2017: Current Opinion in Nephrology and Hypertension
https://www.readbyqxmd.com/read/28221164/positive-and-negative-cues-for-modulating-neurite-dynamics-and-receptor-expression
#18
Melissa Wrobel, Harini Gayathari Sundararaghavan
Many current peripheral nerve repair strategies focus on delivering positive, growth promoting cues (e.g. extracellular matrix, ECM) while eliminating negative, growth inhibiting cues (e.g. chondroitin sulfate proteoglycans, CSPGs) at the injury site. We hypothesized that recapitulating the positive and negative cues of the peripheral nerve injury microenvironment would improve regeneration. First, we tested the effects of a characteristic CSPG, Chondroitin Sulfate A (CSA) on neurite dynamics of dissociated chick embryo dorsal root ganglion (DRG) neurons using time lapse video microscopy...
February 21, 2017: Biomedical Materials
https://www.readbyqxmd.com/read/28221037/computational-investigation-of-ligand-binding-to-the-peripheral-site-in-cyp3a4-conformational-dynamics-and-inhibitor-discovery
#19
Hanwen Du, Junhao Li, Yingchun Cai, Hongxiao Zhang, Guixia Liu, Yun Tang, Weihua Li
Human cytochrome P450 3A4 (CYP3A4) is a major drug-metabolizing enzyme responsible for the metabolism of ~50% of clinically used drugs and is often involved in drug-drug interactions. It exhibits atypical binding and kinetic behavior towards many ligands. Binding of ligands to CYP3A4 is a complex process. Recent studies from both crystallography and biochemistry suggested the existence of a peripheral ligand-binding site at the enzyme surface. However, the stability of ligand bound at this peripheral site and the possibility of discovering new CYP3A4 ligands based on this site remain unclear...
February 21, 2017: Journal of Chemical Information and Modeling
https://www.readbyqxmd.com/read/28220843/dusp1-promoter-methylation-in-peripheral-blood-leukocyte-is-associated-with-triple-negative-breast-cancer-risk
#20
Jing Li, Yanbo Chen, Hongyuan Yu, Jingshen Tian, Fengshun Yuan, Jialong Fan, Yupeng Liu, Lin Zhu, Fan Wang, Yashuang Zhao, Da Pang
DNA methylation is one of the most common epigenetic alterations, providing important information regarding cancer risk and prognosis. A case-control study (423 breast cancer cases, 509 controls) and a case-only study (326 cases) were conducted to evaluate the association of DUSP1 promoter methylation with breast cancer risk and clinicopathological characteristics. No significant association between DUSP1 methylation in peripheral blood leukocyte (PBL) DNA and breast cancer risk was observed. DUSP1 methylation was significantly associated with ER/PR-negative status; in particular, triple-negative breast cancer patients showed the highest frequency of DUSP1 methylation in both tumour DNA and PBL DNA...
February 21, 2017: Scientific Reports
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