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https://www.readbyqxmd.com/read/29793095/sex-hormones-affect-acute-and-chronic-stress-responses-in-sexually-dimorphic-patterns-consequences-for-depression-models
#1
Lei Guo, Yi-Xi Chen, Yu-Ting Hu, Xue-Yan Wu, Yang He, Juan-Li Wu, Man-Li Huang, Matthew Mason, Ai-Min Bao
BACKGROUND: Alterations in peripheral sex hormones may play an important role in sex differences in terms of stress responses and mood disorders. It is not yet known whether and how stress-related brain systems and brain sex steroid levels fluctuate in relation to changes in peripheral sex hormone levels, or whether the different sexes show different patterns. We aimed to investigate systematically, in male and female rats, the effect of decreased circulating sex hormone levels following gonadectomy on acute and chronic stress responses, manifested as changes in plasma and hypothalamic sex steroids and hypothalamic stress-related molecules...
May 21, 2018: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/29793094/effects-of-chronic-antipsychotic-drug-exposure-on-the-expression-of-translocator-protein-and-inflammatory-markers-in-rat-adipose-tissue
#2
Anita Calevro, Marie-Caroline Cotel, Sridhar Natesan, Michel Modo, Anthony C Vernon, Valeria Mondelli
The precise effect of antipsychotic drugs on either central or peripheral inflammation remains unclear. An important issue in this debate is to what extent the known peripheral metabolic effects of antipsychotics, including increased adiposity, may contribute to increased inflammation. Adipose tissue is known to contribute to the development of systemic inflammation, which can eventually lead to insulin resistance and metabolic dysregulation. As a first step to address this question, we evaluated whether chronic exposure to clinically comparable doses of haloperidol or olanzapine resulted in the immune activation of rat adipose tissue...
May 16, 2018: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/29793014/calf-muscle-oxygen-saturation-during-six-minute-walk-test-and-its-relationship-with-walking-impairment-in-symptomatic-peripheral-artery-disease
#3
Aluísio Andrade-Lima, Gabriel G Cucato, Wagner J R Domingues, Antônio H Germano-Soares, Bruno R Cavalcante, Marilia A Correia, Glauco F Saes, Nelson Wolosker, Andrew W Gardner, Antônio E Zerati, Raphael M Ritti-Dias
OBJECTIVE: Impaired microcirculation is associated with poor walking capacity in symptomatic peripheral artery disease (PAD) patients during treadmill test, however, this test does not simulate the efforts of daily walking of these patients. Thus, the aim of the study was to describe the microcirculation responses during six-minute walk test (6MWT) and to analyze the relationship between microcirculation indicators and walking impairment in symptomatic PAD patients. METHODS: Thirty-four patients were included (mean age = 67...
May 21, 2018: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/29792870/peripheral-complement-interactions-with-amyloid-%C3%AE-peptide-in-alzheimer-s-disease-polymorphisms-structure-and-function-of-complement-receptor-1
#4
Jenny U Johansson, William D Brubaker, Harold Javitz, Andrew W Bergen, Denise Nishita, Abhishek Trigunaite, Andrés Crane, Justine Ceballos, Diego Mastroeni, Andrea J Tenner, Marwan Sabbagh, Joseph Rogers
INTRODUCTION: Genome-wide association studies consistently show that single nucleotide polymorphisms (SNPs) in the complement receptor 1 (CR1) gene modestly but significantly alter Alzheimer's disease (AD) risk. Follow-up research has assumed that CR1 is expressed in the human brain despite a paucity of evidence for its function there. Alternatively, erythrocytes contain >80% of the body's CR1, where, in primates, it is known to bind circulating pathogens. METHODS: Multidisciplinary methods were employed...
May 21, 2018: Alzheimer's & Dementia: the Journal of the Alzheimer's Association
https://www.readbyqxmd.com/read/29792849/the-role-and-mechanism-of-k-ca-3-1-channels-in-human-monocyte-migration-induced-by-palmitic-acid
#5
Xiao-Zhen Ma, Zheng-Da Pang, Jun-Hong Wang, Zheng Song, Li-Mei Zhao, Xiao-Jun Du, Xiu-Ling Deng
Monocyte migration into diseased tissues contributes to the pathogenesis of diseases. Intermediate-conductance Ca2+ -activated K+ (KCa 3.1) channels play an important role in cell migration. However, the role of KCa 3.1 channels in mediating monocyte migration induced by palmitic acid (PA) is still unclear. Using cultured THP-1 cells and peripheral blood mononuclear cells from healthy subjects, we investigated the role and signaling mechanisms of KCa 3.1 channels in mediating the migration induced by PA. Using methods of Western blotting analysis, RNA interference, cell migration assay and ELISA, we found that PA-treated monocytes exhibited increment of the protein levels of KCa 3...
May 21, 2018: Experimental Cell Research
https://www.readbyqxmd.com/read/29792748/portal-vein-thrombosis-imaging-the-spectrum-of-disease-with-an-emphasis-on-mri-features
#6
Reena C Jha, Satinderpal Singh Khera, Amit Dinesh Kalaria
OBJECTIVE: The purpose of this article is to review the classic and uncommon imaging findings of portal vein thrombosis (PVT) (acute, chronic, congenital, and septic thrombus) as visualized on multiple modalities, with an emphasis on MRI findings. Additional aims are to understand the imaging of obliterative portal venopathy and its clinical significance, appreciate morphologic changes of the biliary system that may accompany PVT, and recognize changes in liver enhancement patterns seen with PVT related to the hepatic arterial buffer response...
May 24, 2018: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/29792722/-laparoscopic-versus-open-left-pancreatectomy-surgical-stress-response-comparison-in-the-porcine-model
#7
R Pohnán, M Ryska, J Kalvach, L Hána, T Henlín, J Pejchal
INTRODUCTION: Although several techniques of laparoscopic left pancreatectomy have already been developed through experiments on animals and human patients, there is still insufficient information about their pathophysiological mechanisms, especially the impact on surgical stress. METHOD: In a group of 10 pigs, open left pancreatectomy was performed, and the other group of 10 pigs underwent laparoscopic left pancreatectomy. Postoperative stress was compared by determining serum levels of leukocytes, interleukin 1, 6 and CRP from peripheral venous blood collection...
2018: Rozhledy V Chirurgii: Měsíčník Československé Chirurgické Společnosti
https://www.readbyqxmd.com/read/29792684/label-free-optical-marker-for-rbc-phenotyping-of-inherited-anaemias
#8
Martina Mugnano, Pasquale Memmolo, Lisa Miccio, Francesco Merola, Vittorio Bianco, Alessia Bramanti, Antonella Gambale, Roberta Russo, Immacolata Andolfo, Achille Iolascon, Pietro Ferraro
The gold standard methods for anaemia diagnosis are the complete blood count and the peripheral smear observation. However, they do not allow for a complete differential diagnosis, which requires biochemical assays, thus being label-dependent techniques. On the other hand, recent studies focus on label-free quantitative phase imaging (QPI) of blood samples to investigate blood diseases by using video-based morphological methods. However, when sick cells are very similar to healthy ones in terms of morphometric features identification of a blood disease becomes challenging even by morphometric as well as QPI...
May 24, 2018: Analytical Chemistry
https://www.readbyqxmd.com/read/29792553/mitochondrial-complex-i-defect-resulting-from-exercise-induced-lower-limb-ischemia-in-patients-with-peripheral-arterial-disease
#9
Isabelle Signolet, Pierre Abraham, Stéphanie Chupin, Myriam Ammi, Naïg Gueguen, Franck Letournel, Jean Picquet, Christophe Baufreton, Mickael Daligault, Vincent Procaccio, Pascal Reynier, Samir Henni
OBJECTIVE: This study aims to compare the structural and mitochondrial alterations between muscle segments affected by exercise-induced ischemia and segments of the same muscle without ischemia, in the same subject. METHODS: In a prospective analysis, 34 patients presenting either peripheral arterial disease or chronic coronary syndrome without any evidence of peripheral arterial disease were eligible for inclusion based on findings indicating a need for either a femoro-popliteal bypass or a saphenous harvesting for coronary bypass...
May 24, 2018: Journal of Applied Physiology
https://www.readbyqxmd.com/read/29792538/single-nucleotide-polymorphisms-in-il23r-il12rb2-rs1495965-are-highly-prevalent-in-patients-with-behcet-s-uveitis-and-vary-between-populations
#10
Michal Kramer, Murat Hasanreisoglu, Shirel Weiss, Deniz Kumova, Michal Schaap-Fogler, Sezen Guntekin-Ergun, Sengul Ozdek, Gokhan Gurelik, Mehmet Ali Ergün, Nitza Goldenberg-Cohen, Yoram Cohen
PURPOSE: To test the frequency of single-nucleotide polymorphisms in the IL-10, IL23R-IL12RB2 genes in patients with Behcet's uveitis. METHODS: Blood samples were collected from 89 Israeli and Turkish patients, and from healthy control subjects of different origins. Genomic DNA was extracted from peripheral blood leukocytes and genotyped. RESULTS: The risk allele, A, in rs1800871, of IL-10 gene was highly prevalent in Behcet's uveitis and healthy control samples alike; highest among the Turkish groups...
May 24, 2018: Ocular Immunology and Inflammation
https://www.readbyqxmd.com/read/29792510/in-reply-to-intra-aortic-balloon-pump-protects-against-hydrostatic-pulmonary-oedema-during-peripheral-venoarterial-extracorporeal-membrane-oxygenation
#11
Jamie R Privratsky, Sebastian Diaz, Alina Nicoara, Mani A Daneshmand
Veno-arterial extracorporeal membrane oxygenation (VA-ECMO) is an increasingly utilized life-saving measure. However, left-ventricular distention from inadequate left-ventricular off-loading can lead to unwanted pulmonary and cardiac complications. We are writing to indicate our agreement with a recent article by Brechot et al. published in the June 2017 issue where the authors demonstrated that intra-aortic balloon pump provides mechanical support to off-load the left ventricle during VA-ECMO, which prevents pulmonary edema...
May 1, 2018: European Heart Journal. Acute Cardiovascular Care
https://www.readbyqxmd.com/read/29792389/therapist-assisted-vision-therapy-improves-outcome-for-stroke-patients-with-homonymous-hemianopia-alone-or-combined-with-oculomotor-dysfunction
#12
Peter Smaakjær, Signe Tornøe Tødten, Rune Skovgaard Rasmussen
OBJECTIVE: To improve visual performance and perception in stroke patients suffering from visual impairments by the use of therapist-assisted vision therapy. METHODS: This study was an interventional efficacy open-label investigation. The vision therapy was designed to enhance binocular vision, and saccadic ability, and vergence ranges maximally, and for patients with hemianopia also to improve peripheral awareness. The vision training consisted of one lesson a week for 12 weeks carried out by an optometrist and a vision therapist...
May 24, 2018: Neurological Research
https://www.readbyqxmd.com/read/29792379/role-of-s-100%C3%AE-in-stroke
#13
Yongli He, Zhiyou Cai, Yangmei Chen
The S-100β levels are associated with a variety of acute disorders and other chronic diseases, such as head injury, stroke, metastatic melanoma, cardiac surgery, bone fractures, burns and contusions. The serum S-100β levels seem to increase with the volume of tissue damage. The higher serum S-100β levels have been observed after brain damage or stroke. A number of studies have evidenced the clinical value of S-100β in the diagnosis and prognosis of stroke while the S-100β marker is elevated in the peripheral blood during the acute phase of stroke...
May 24, 2018: International Journal of Neuroscience
https://www.readbyqxmd.com/read/29792274/ex-vivo-expanded-natural-regulatory-t-cells-from-patients-with-end-stage-renal-disease-or-kidney-transplantation-are-useful-for-autologous-cell-therapy
#14
Sybille Landwehr-Kenzel, Anne Zobel, Henrike Hoffmann, Niels Landwehr, Michael Schmueck-Henneresse, Thomas Schachtner, Andy Roemhild, Petra Reinke
Novel concepts employing autologous, ex vivo expanded natural regulatory T cells (nTreg) for adoptive transfer has potential to prevent organ rejection after kidney transplantation. However, the impact of dialysis and maintenance immunosuppression on the nTreg phenotype and peripheral survival is not well understood, but essential when assessing patient eligibility. The current study investigates regulatory T-cells in dialysis and kidney transplanted patients and the feasibility of generating a clinically useful nTreg product from these patients...
June 2018: Kidney International
https://www.readbyqxmd.com/read/29792210/quantitative-cardiovascular-magnetic-resonance-extracellular-volume-native-t1-and-18f-fdg-pet-cmr-imaging-in-patients-after-revascularized-myocardial-infarction-and-association-with-markers-of-myocardial-damage-and-systemic-inflammation
#15
Karl P Kunze, Ralf J Dirschinger, Hans Kossmann, Franziska Hanus, Tareq Ibrahim, Karl-Ludwig Laugwitz, Markus Schwaiger, Christoph Rischpler, Stephan G Nekolla
BACKGROUND: Characterization of tissue integrity and inflammatory processes after acute myocardial infarction (AMI) using non-invasive imaging is predictive of patient outcome. Quantitative cardiovascular magnetic resonance (CMR) techniques such as native T1 and extracellular volume (ECV) mapping as well as 18 F-FDG positron emission tomography (PET) imaging targeting inflammatory cell populations are gaining acceptance, but are often applied without assessing their quantitative potential...
May 24, 2018: Journal of Cardiovascular Magnetic Resonance
https://www.readbyqxmd.com/read/29792200/wedge-shaped-microfluidic-chip-for-circulating-tumor-cells-isolation-and-its-clinical-significance-in-gastric-cancer
#16
Chaogang Yang, Nangang Zhang, Shuyi Wang, Dongdong Shi, Chunxiao Zhang, Kan Liu, Bin Xiong
BACKGROUND: Circulating tumor cells (CTCs) have great potential in both basic research and clinical application for the managements of cancer. However, the complicated fabrication processes and expensive materials of the existing CTCs isolation devices, to a large extent, limit their clinical translation and CTCs' clinical value. Therefore, it remains to be urgently needed to develop a new platform for achieving CTCs detection with low-cost, mass-producible but high performance. METHODS: In the present study, we introduced a novel wedge-shaped microfluidic chip (named CTC-ΔChip) fabricated by two pieces of glass through wet etching and thermal bonding technique for CTCs isolation, which achieved CTCs enrichment by different size without cell surface expression markers and CTCs identification with three-color immunocytochemistry method (CK+/CD45-/Nucleus+)...
May 23, 2018: Journal of Translational Medicine
https://www.readbyqxmd.com/read/29792135/modified-ldl-immune-complexes-and-cardiovascular-disease
#17
Maria F Lopes-Virella, Gabriel Virella
Modified forms of LDL, both spontaneously formed in the organism or prepared in the laboratory, are immunogenic. As a consequence, antigen-antibody complexes (immune complexes, IC) formed in vivo can be measured in the peripheral blood, and their levels are strong predictors of cardiovascular disease (CVD). It has been possible to generate antibodies that recognize different LDL modifications, allowing the analysis of circulating IC constitution. Clinical studies showed that the antigenic constitution of the IC has a modulating effect on the development of CVD...
May 23, 2018: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/29791964/ultrasound-guided-treatment-of-peripheral-nerve-pathology
#18
Nathan Dettori, Hema Choudur, Avneesh Chhabra
High-resolution ultrasound serves as a fast, accessible, reliable, and radiation-free tool for anatomical and dynamic evaluation of various peripheral nerves. It can be used not only to identify and diagnose peripheral nerve and perineural pathology accurately but also to guide various nerve and perineural interventions. We describe the normal and pathologic appearances of peripheral nerves, the pathologies commonly affecting the individual peripheral nerves, and the current ultrasound-guided peripheral nerve interventions and techniques...
July 2018: Seminars in Musculoskeletal Radiology
https://www.readbyqxmd.com/read/29791963/nerve-entrapment-in-ankle-and-foot-ultrasound-imaging
#19
Basavaraj Chari, Eugene McNally
Peripheral nerve entrapment of the ankle and foot is relatively uncommon and often underdiagnosed because electrophysiologic studies may not contribute to the diagnosis. Anatomy of the peripheral nerves is variable and complex, and along with a comprehensive physical examination, a thorough understanding of the applied anatomy is essential. Several studies have helped identify specific areas in which nerves are commonly compressed. Identified secondary causes of nerve compression include previous trauma, osteophytes, ganglion cysts, edema, accessory muscles, tenosynovitis, vascular lesions, and a primary nerve tumor...
July 2018: Seminars in Musculoskeletal Radiology
https://www.readbyqxmd.com/read/29791962/nerve-entrapment-syndromes-at-the-wrist-and-elbow-by-sonography
#20
Andrea S Klauser, Tommaso Buzzegoli, Mihra S Taljanovic, Sylvia Strobl, Stefan Rauch, James Teh, Julia Wanschitz, Wolfgang Löscher, Carlo Martinoli
Nerve entrapment syndromes of the upper extremity are associated with structural abnormalities or by an intrinsic abnormality of the nerve. Nerve entrapment syndromes generally have a typical clinical presentation, and findings on physical examination and in conjunction with electrodiagnostic studies imaging is used to evaluate the cause, severity, and etiology of the entrapment. With the development of high-frequency linear array transducers (12-24 MHz), ultrasound (US) is incomparable in terms of spatial resolution to depict morphological aspects and changes in nerves...
July 2018: Seminars in Musculoskeletal Radiology
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