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https://www.readbyqxmd.com/read/28938193/protective-effect-of-thymoquinone-against-diazinon-induced-hematotoxicity-genotoxicity-and-immunotoxicity-in-rats
#1
Gholam Hassan Danaei, Mohammad Karami
Several studies have shown that oxidative stress and cell damage can occur in the very early stages of diazinon (DZN) exposure. The present study was designed to determine the beneficial effect of thymoquinone (Thy), the main component of Nigella sativa (black seed or black cumin) against DZN immunotoxicity, hematotoxicity and genotoxicity in rats. In the present experimental study, 48 male Wistar rats were randomly divided into six groups, (eight per group) as follows: control (receiving corn oil as the DZN solvent), DZN (20mg/kg), Thy (10mg/kg), Thy (2...
September 7, 2017: Environmental Toxicology and Pharmacology
https://www.readbyqxmd.com/read/28937407/time-course-of-septic-shock-in-immunocompromised-and-nonimmunocompromised-patients
#2
Matthieu Jamme, Fabrice Daviaud, Julien Charpentier, Nathalie Marin, Michaël Thy, Yannick Hourmant, Jean-Paul Mira, Frédéric Pène
OBJECTIVES: To address the impact of underlying immune conditions on the course of septic shock with respect to both mortality and the development of acute infectious and noninfectious complications. DESIGN: An 8-year (2008-2015) monocenter retrospective study. SETTING: A medical ICU in a tertiary care center. PATIENTS: Patients diagnosed for septic shock within the first 48 hours of ICU admission were included. Patients were classified in four subgroups with respect to their immune status: nonimmunocompromised and immunocompromised distributed into hematologic or solid malignancies and nonmalignant immunosuppression...
September 20, 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/28878001/nlr-nod1-signaling-promotes-survival-of-bcr-engaged-mature-b-cells-through-up-regulated-nod1-as-a-positive-outcome
#3
Kyoko Hayakawa, Anthony M Formica, Yan Zhou, Daiju Ichikawa, Masanao Asano, Yue-Sheng Li, Susan A Shinton, Joni Brill-Dashoff, Gabriel Núñez, Richard R Hardy
Although B cell development requires expression of the B cell antigen receptor (BCR), it remains unclear whether engagement of self-antigen provides a positive impact for most B cells. Here, we show that BCR engagement by self-ligand during development in vivo results in up-regulation of the Nod-like receptor member Nod1, which recognizes the products of intestinal commensal bacteria. In anti-thymocyte/Thy-1 autoreactive BCR knock-in mice lacking self-Thy-1 ligand, immunoglobulin light chain editing occurred, generating B cells with up-regulated Nod1, including follicular and marginal zone B cells with natural autoreactivity...
September 6, 2017: Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28875268/high-prevalence-of-papillary-thyroid-carcinoma-in-nodular-hashimoto-s-thyroiditis-at-the-first-diagnosis-and-during-the-follow-up
#4
F Boi, F Pani, P G Calò, M L Lai, S Mariotti
BACKGROUND: The association between Hashimoto's thyroiditis (HT) and papillary thyroid carcinoma (PTC) remains to be elucidated. MATERIALS AND METHODS: A total of 484 HT patients were retrospectively subdivided into two groups: 243 without thyroid nodules, TNs (HTN-) and 241 with TNs (HTN+). Fine-needle aspiration cytology was available in 152 HTN+ patients. This group was compared to a group of 161 patients with nodular goiter (NG) without HT. Finally, 70 HTN+ and 37 NG patients underwent surgery...
September 5, 2017: Journal of Endocrinological Investigation
https://www.readbyqxmd.com/read/28866123/a-systematic-review-finds-underreporting-of-ethics-approval-informed-consent-and-incentives-in-clinical-trials
#5
Ly Quoc Trung, Mostafa Ebraheem Morra, Nguyen Duc Truong, Tarek Turk, Ahmed Elshafie, Amr Foly, Dao Ngoc Hien Tam, Ahmed Iraqi, Trinh Thi Hong Van, Ahmed Elgebaly, Tran Nhu Ngoc, Tran Le Huy Vu, Ngan Thy Chu, Kenji Hirayama, Juntra Karbwang, Nguyen Tien Huy
OBJECTIVES: In this study, we aim to review researchers' reporting practices of the ethics statement, financial incentives, and local ethical committees' profile in their clinical trials. STUDY DESIGN AND SETTING: A systematic search was done through top ranked 50 medical journals (Scimago Ranking) to retrieve 2000 latest publications. Only primary clinical trials were included with no restriction to language or participants. RESULT: Among the 927 included trials, 14 (1...
August 30, 2017: Journal of Clinical Epidemiology
https://www.readbyqxmd.com/read/28865030/drebrin-in-renal-glomeruli
#6
Wiebke K Ludwig-Peitsch
The central function of renal glomeruli is plasma ultrafiltration for primary urine production. The glomerular filtration barrier consists of a fenestrated endothelium, the glomerular basement membrane and podocytes, mesenchymal-like cells with actin filament-rich protrusions, the "foot processes." Their architecture and function are maintained and regulated by actin and several actin-binding proteins, mutations of which can be causative of glomerular diseases. Since initial immunostaining experiments had demonstrated intense drebrin reactions in renal glomeruli, the distribution of this protein was studied in detail in the kidneys of diverse mammalian species...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28863080/loop-ileostomy-for-c-difficile-infection-know-thy-enemy
#7
David B Stewart
No abstract text is available yet for this article.
August 31, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28836913/correction-to-thyroid-2017-27-315-389-doi-10-1089-thy-2016-0457
#8
(no author information available yet)
No abstract text is available yet for this article.
September 2017: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/28835334/risk-stratification-in-multinodular-goiter-a-retrospective-review-of-sonographic-features-histopathological-results-and-cancer-risk
#9
Brendan S Kelly, Pradeep Govender, Michael Jeffers, John Kinsella, James Gibney, Mark Sherlock, William C Torreggiani
PURPOSE: In the management of thyroid nodules, although the potential for malignancy exists, there is also the potential for overtreatment of subclinical disease. Although the TI-RADS (Thyroid Imaging-Reporting and Data System) system outlines a risk stratification score based on suspicious ultrasound findings, it has not been universally accepted. Many TI-RADS 2 or 3 patients proceed to fine needle aspiration biopsy (FNAB), potentially unnecessarily. The aim of the study was to identify whether lesions within a multinodular goiter (MNG) without suspicious features can be followed with ultrasound rather than biopsied as is recommended for single nodules...
August 21, 2017: Canadian Association of Radiologists Journal, Journal L'Association Canadienne des Radiologistes
https://www.readbyqxmd.com/read/28830653/recombinant-human-igg1-based-fc-multimers-with-limited-fcr-binding-capacity-can-effectively-inhibit-complement-mediated-disease
#10
Haoping Sun, Henrik S Olsen, Emmanuel Y Mérigeon, Edward So, Erin Burch, Susan Kinsey, John C Papadimitriou, Cinthia B Drachenberg, Søren M Bentzen, David S Block, Scott E Strome, Xiaoyu Zhang
There is a lack of effective targeted therapies for the treatment of complement dependent diseases. We developed two recombinant Fc multimers, G207 and G211, with limited ability to interact with low/moderate affinity FcγRs, but with high avidity for C1q. These drugs effectively inhibited complement dependent cytotoxicity (CDC) in vitro, and prevented the deposition of C1q, C3b and MAC, on the surface of Ab-opsonized cells. Importantly, these inhibitory effects were both C1q dependent and independent. In order to determine the biologic relevance of our findings, we evaluated the clinical efficacy of these drugs in three different animal models, acute RBC hemolysis, anti-Thy-1 nephritis and passive Heymann's nephropathy (PHN), in which disease pathophysiology relies preferentially on complement activation...
August 19, 2017: Journal of Autoimmunity
https://www.readbyqxmd.com/read/28818326/dual-wavelength-led-based-uv-absorption-detector-for-nano-flow-capillary-liquid-chromatography
#11
Xiaofeng Xie, Luke T Tolley, Thy X Truong, H Dennis Tolley, Paul B Farnsworth, Milton L Lee
The design of a miniaturized LED-based UV-absorption detector was significantly improved for on-column nanoflow LC. The detector measures approximately 27mm×24mm×10mm and weighs only 30g. Detection limits down to the nanomolar range and linearity across 3 orders of magnitude were obtained using sodium anthraquinone-2-sulfonate as a test analyte. Using two miniaturized detectors, a dual-detector system was assembled containing 255nm and 275nm LEDs with only 216nL volume between the detectors A 100μm slit was used for on-column detection with a 150μm i...
August 1, 2017: Journal of Chromatography. A
https://www.readbyqxmd.com/read/28812052/the-superior-labial-frenulum-in-newborns-what-is-normal
#12
Chloe Santa Maria, Janelle Aby, Mai Thy Trong, Yogita Thakur, Sharon Rea, Anna Messner
Introduction and Objectives: There has been an emergence of procedures to release the superior labial frenula in infants, yet little is known about the normal appearance or incidence of severe attachment, or "lip-tie." The objective of this article was to develop a classification system for superior labial frenula and to estimate the incidence of different degrees of attachment. Methods: A prospective cross-sectional study. Newborns were examined and had photographs taken of their upper frenula. Relevant medical professionals rated the appearance of the labial frenula using a previously described Kotlow classification system...
2017: Global Pediatric Health
https://www.readbyqxmd.com/read/28745444/comparison-of-the-proteomes-of-mouse-skin-derived-precursors-skps-and-skp-derived-fibroblasts-sfbs-by-itraq
#13
Yujie Mao, Lidan Xiong, Li Li
Skin-derived precursors (SKPs) can differentiate into fibroblasts. However, little is known about the molecular mechanism of the differentiation process. Our previous study has compared the transcriptomes of mouse SKPs and SKP- derived fibroblasts (SFBs) by RNA-Seq analysis and found some genes and signal pathways that might play important roles in the transition from SKPs to SFBs. Here, to further investigate the process by which SKPs differentiate into fibroblasts, we compared the proteomes between SKPs and SFBs using iTRAQ...
July 26, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28744021/thy-1-cancer-associated-fibroblasts-adversely-impact-lung-cancer-prognosis
#14
Mark J Schliekelman, Chad J Creighton, Brandi N Baird, Yulong Chen, Priyam Banerjee, Neus Bota-Rabassedas, Young-Ho Ahn, Jonathon D Roybal, Fengju Chen, Yiqun Zhang, Dhruva K Mishra, Min P Kim, Xin Liu, Barbara Mino, Pamela Villalobos, Jaime Rodriguez-Canales, Carmen Behrens, Ignacio I Wistuba, Samir M Hanash, Jonathan M Kurie
Cancer-associated fibroblasts (CAFs) regulate diverse intratumoral biological programs and can promote or inhibit tumorigenesis, but those CAF populations that negatively impact the clinical outcome of lung cancer patients have not been fully elucidated. Because Thy-1 (CD90) marks CAFs that promote tumor cell invasion in a murine model of Kras(G12D)-driven lung adenocarcinoma (Kras(LA1)), here we postulated that human lung adenocarcinomas containing Thy-1(+) CAFs have a worse prognosis. We first examined the location of Thy-1(+) CAFs within human lung adenocarcinomas...
July 25, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28734306/theoretical-study-of-resonance-formation-in-microhydrated-molecules-ii-thymine-h2o-n-n-1-2-3-5
#15
Agnieszka Sieradzka, Jimena D Gorfinkiel
We have investigated the effect of microsolvation on the low-lying pure shape π(*) resonances of thymine. Static-exchange R-matrix calculations for elastic electron scattering from microhydated thymine, i.e., Thy-(H2O)n with n = 1,2,3,5 are discussed. We look at the additive effect of water molecules hydrogen-bonding to thymine. The results for Thy-(H2O)5 show that both π(*) resonances appear at lower energy in the cluster than in isolated thymine, but that the energy shift is different for each resonance...
July 21, 2017: Journal of Chemical Physics
https://www.readbyqxmd.com/read/28724609/thy-1-fibroblast-subsets-in-the-human-peritoneum
#16
Edyta Kawka, Janusz Witowski, Maria Bartosova, Rusan Catar, Andras Rudolf, Aurelie Philippe, Rafal Rutkowski, Betti Schaefer, Claus Peter Schmitt, Duska Dragun, Achim Joerres
Fibrotic thickening of the peritoneum develops in patients receiving peritoneal dialysis (PD) for renal failure. For unknown reasons, however, in some patients it progresses to extensive fibrosis that compromises dialysis capacity of the peritoneum. It is increasingly clear that fibroblasts display large heterogeneity not only between but also within tissues. Differential surface expression of glycoprotein Thy-1 (CD90) has been shown to identify functionally distinct fibroblast subsets in several organs. Here, we isolated Thy-1+/- subsets of human peritoneal fibroblasts (HPFB) and analyzed them in terms of pro-fibrotic myofibroblast features...
July 19, 2017: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/28722074/supramolecular-semifluorinated-dendrons-glued-by-weak-hydrogen-bonds
#17
Senbin Chen, Annette Meister, Wolfgang H Binder
H-Bonded semifluorinated dendritic polymer networks are generated by association of macromolecules, driven by the weak diaminopyridine (DAP) and thymine (THY) couple. Solvent-dependent morphologies are observed: a continuous film structure when drop-cast from tetrahydrofuran (THF) solution or uniform nanoparticles with a diameter of ∼50 nm in toluene.
July 19, 2017: Chemical Communications: Chem Comm
https://www.readbyqxmd.com/read/28718205/bcl-2-maturation-pattern-in-t-cells-distinguishes-thymic-neoplasm-hyperplasia-t-lymphoblastic-lymphoma-and-reactive-lymph-nodes
#18
Nicholas Ward, Junaid Baqai, Alexandra Zehnpfennig, Nancy Fine, James Huang, Marc D Smith
Anterior mediastinal biopsies consisting predominantly of small lymphocytes can be a diagnostic challenge, especially in small core biopsies. In these cases, immunophenotyping is often employed using flow cytometry, and/or immunohistochemistry. However, due the overlap in T-cell phenotype between thymic neoplasm/hyperplasia (THY), T lymphoblastic lymphoma (T-LBL) and reactive lymph nodes (RLN), biopsies consisting predominantly of T-cells may still be difficult to differentiate. Previous studies have shown a specific CD3/bcl-2 staining pattern in thymic T cells of humans and mice using flow cytometry...
July 17, 2017: Cytometry. Part B, Clinical Cytometry
https://www.readbyqxmd.com/read/28717059/pharmacological-effects-of-a-vitamin-k1-2-3-epoxide-reductase-vkor-inhibitor-3-acetyl-5-methyltetronic-acid-on-cisplatin-induced-fibrosis-in-rats
#19
Masashi Uchida, Tomoya Miyoshi, Yohei Miyamoto
Cisplatin (CDDP) is a chemotherapeutic agent that is widely used in the treatment of lymphomas and solid malignancies. However, its clinical usage is limited by its severe side effects in the kidneys. Glomerular and tubular injuries in the kidneys commonly progress to interstitial fibrosis and, ultimately, the end stage of renal failure. We previously reported that 3-acetyl-5-methyltetronic acid (AMT) had inhibitory effects on rat renal vitamin K1 2,3-epoxide reductase (VKOR) in vitro and also suppressed mesangial cell proliferation and, consequently, the formation of fibrosis via the vitamin K-dependent activation of the growth arrest-specific 6 (Gas6)/Axl pathway in anti-Thy-1 glomerulonephritis (Thy-1 GN) in rats...
July 16, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/28695756/double-carbapenem-therapy-dct-for-bacteremia-due-to-carbapenem-resistant-klebsiella-pneumoniae-crkp-from-test-tube-to-clinical-practice
#20
Veena Venugopalan, Boris Nogid, Thy N Le, Shafiqur M Rahman, Tiffany E Bias
No abstract text is available yet for this article.
July 11, 2017: Infectious Diseases
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