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https://www.readbyqxmd.com/read/29353357/heath-risk-among-pesticide-sellers-in-bamenda-cameroon-and-peripheral-areas
#1
Jean Sonchieu, Edouard Nantia Akono, Cheche Tanwi Ngwamitang, Benoït Martin Ngassoum
In Bamenda and peripheral zones, studies have been focused on the effects of pesticides on farmers (pesticide users) while nothing has been done to assess the exposure of sellers to pesticides. This study aimed at evaluating the exposure of pesticide sellers in the same area. Thirty-two questionnaires were administered to 32 pesticide sellers systematically selected, and chi-square was used for statistical analysis. From each shop, a respondent was chosen among the workers according to its daily time spent in the workplace...
January 20, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29353353/peripheral-th17-treg-imbalance-in-elderly-patients-with-ischemic-stroke
#2
Sanam Dolati, Majid Ahmadi, Mohammad Khalili, Ali Akabar Taheraghdam, Homayoon Siahmansouri, Zohreh Babaloo, Leili Aghebati-Maleki, Farhad Jadidi-Niaragh, Vahid Younesi, Mehdi Yousefi
CD4+CD25+ regulatory T (Treg) cells and Th17 cells play important roles in peripheral immunity. Immune responses are main elements in the pathogenesis of ischemic stroke (IS). The contribution of Th17 cells in IS patients has not been proved, and whether the balance of Treg/Th17 cells is changed in IS patients remains unidentified. In the present study, we studied Th17 and Treg cell frequency, cytokine secretion, expression of transcription factors, and microRNAs related to Th17 and Treg cells differentiation, which is compared between IS patients and control group...
January 20, 2018: Neurological Sciences
https://www.readbyqxmd.com/read/29353319/management-strategies-for-noncardiac-surgery-following-a-coronary-artery-event
#3
REVIEW
Thomas F Whayne, Sibu P Saha
PURPOSE OF REVIEW: Coronary artery event includes acute coronary syndrome (ACS), percutaneous coronary intervention (PCI), and coronary artery bypass graft (CABG) surgery. Following such an event, risk of noncardiac surgery is increased. Of major concern is what can make this surgery safer? RECENT FINDINGS: High functional capacity improves cardiovascular (CV) risk; at least 4.0 metabolic equivalents (METs) on stress test are favorable. Risk scores can suggest need for further evaluation...
January 20, 2018: Current Cardiology Reports
https://www.readbyqxmd.com/read/29353229/the-association-between-plasma-endotoxin-endotoxin-pathway-proteins-and-outcome-after-ischemic-stroke
#4
Elzbieta Klimiec, Paulina Pasinska, Katarzyna Kowalska, Joanna Pera, Agnieszka Slowik, Tomasz Dziedzic
BACKGROUND AND AIMS: In animals, peripheral lipopolysaccharide (LPS) injection before cerebral ischemia exacerbates neurological deficit, impairs survival and augments sickness behaviour. The goal of our study was to determine a relationship between plasma LPS, LPS pathway proteins (LPS binding protein (LBP) and sCD14) and outcome in stroke patients. METHODS: We included 335 patients with ischemic stroke. Plasma LPS activity and levels of LBP and sCD14 were measured within 24 h after stroke onset...
December 27, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/29353110/orchestration-of-chemomobilization-and-g-csf-administration-for-successful-hematopoietic-stem-cell-collection
#5
Katharina Kriegsmann, Anita Schmitt, Mark Kriegsmann, Thomas Bruckner, Adamma Anyanwu, Mathias Witzens-Harig, Carsten Müller-Tidow, Stefan Klein, Patrick Wuchter
Successful collection of peripheral blood stem cells (PBSCs) depends on the optimal orchestration of mobilization chemotherapy, granulocyte-colony-stimulating factor (G-CSF) application, and CD34+ cell number assessment in the peripheral blood (PB). However, determining the optimal timing in accordance to the applied chemomobilization regimen can be challenging. While most centers apply their own local timing schedules, a reliable timetable including the currently most often used mobilization regimens is lacking...
January 15, 2018: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/29353106/perineurium-like-sheath-derived-from-long-term-surviving-mesenchymal-stem-cells-confers-nerve-protection-to-the-injured-spinal-cord
#6
Yuan-Huan Ma, Xiang Zeng, Xue-Cheng Qiu, Qing-Shuai Wei, Ming-Tian Che, Ying Ding, Zhou Liu, Guo-Hui Wu, Jia-Hui Sun, Mao Pang, Li-Min Rong, Bin Liu, Zaid Aljuboori, Inbo Han, Eng-Ang Ling, Yuan-Shan Zeng
The functional multipotency enables mesenchymal stem cells (MSCs) promising translational potentials in treating spinal cord injury (SCI). Yet the fate of MSCs grafted into the injured spinal cord has not been fully elucidated even in preclinical studies, rendering concerns of their safety and genuine efficacy. Here we used a rat spinal cord transection model to evaluate the cell fate of allograft bone marrow derived MSCs. With the application of immunosuppressant, donor cells, delivered by biocompatible scaffold, survived up to 8 weeks post-grafting...
January 11, 2018: Biomaterials
https://www.readbyqxmd.com/read/29353058/chd7-is-critical-for-early-t-cell-development-and-thymus-organogenesis-in-zebrafish
#7
Zhi-Zhi Liu, Zi-Long Wang, Tae-Ik Choi, Wen-Ting Huang, Han-Tsing Wang, Ying-Ying Han, Lou-Yin Zhu, Hyun-Taek Kim, Jung-Hwa Choi, Jin-Soo Lee, Hyung-Goo Kim, Jian Zhao, Yue Chen, Zhuo Lu, Xiao-Li Tian, Bing-Xing Pan, Bao-Ming Li, Cheol-Hee Kim, Hong Xu
CHARGE syndrome is a congenital disorder affecting multiple organs and mainly caused by mutations in CHD7, a gene encoding a chromatin-remodeling protein. Immunodeficiency and reduced T-cells have been noted in CHARGE syndrome. However, the mechanisms underlying T-lymphopenia are largely unexplored. Here, we observed dramatic decrease of T cells in both chd7-knockdown and -knockout zebrafish embryos. Unexpectedly, hematopoietic stem and progenitor cells and, particularly, lymphoid progenitor cells were increased peripherally in nonthymic areas in chd7-deficient embryos, unlikely to contribute to the T cell decrease...
January 15, 2018: American Journal of Pathology
https://www.readbyqxmd.com/read/29353057/mechanisms-of-enhanced-osteoclastogenesis-in-alkaptonuria
#8
Giacomina Brunetti, Albina Tummolo, Gabriele D'Amato, Alberto Gaeta, Federica Ortolani, Laura Piacente, Paola Giordano, Silvia Colucci, Maria Grano, Francesco Papadia, Maria Felicia Faienza
Alkaptonuria (AKU) is a rare disorder characterized by the deficiency of the enzyme homogentisate 1,2-dioxygenase and consequent homogentisate accumulation, which leads to progressive and severe osteoarthopathy starting from the second decade of life. Thus, in AKU patients bone involvement represents an important clinical issue, which we investigated. Serum levels of RANKL, osteoprotegerin, sclerostin, DKK1, and bone remodeling markers were measured in nine AKU patients (two children and seven adults) and 22 controls, together with lumbar spine bone mineral density (LS-BMD) and femoral-BMD...
January 15, 2018: American Journal of Pathology
https://www.readbyqxmd.com/read/29353052/evidence-for-altered-insulin-receptor-signaling-in-alzheimer-s-disease
#9
REVIEW
Chelsea M Griffith, Tore Eid, Gregory M Rose, Peter R Patrylo
Epidemiological data have shown that metabolic disease can increase the propensity for developing cognitive decline and dementia, particularly Alzheimer's disease (AD). While this interaction is not completely understood, clinical studies suggest that both hyper- and hypoinsulinemia are associated with an increased risk for developing AD. Indeed, insulin signaling is altered in post-mortem brain tissue from AD patients and treatments known to enhance insulin signaling, can improve cognitive function. Further, clinical evidence has shown that AD patients and mouse models of AD often display alterations in peripheral metabolism...
January 15, 2018: Neuropharmacology
https://www.readbyqxmd.com/read/29353043/progression-of-vasogenic-edema-induced-by-activated-microglia-under-permanent-middle-cerebral-artery-occlusion
#10
Miki Tanaka, Yasuhiro Ishihara, Shodo Mizuno, Atsuhiko Ishida, Christoph F Vogel, Mayumi Tsuji, Takeshi Yamazaki, Kouichi Itoh
Brain edema is a severe complication that accompanies ischemic stroke. Increasing evidence shows that inflammatory cytokines impair tight junctions of the blood-brain barrier, suggesting the involvement of microglia in brain edema. In this study, we examined the role of microglia in the progression of ischemic brain edema using mice with permanent middle cerebral artery occlusion. The intensity of T2-weighted imaging (T2WI) in the cerebral cortex and the striatum was elevated 3 h after occlusion and spread to peripheral regions of the ischemic hemisphere...
January 15, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29353016/pyrosequencing-analysis-of-methylation-levels-of-clock-genes-in-leukocytes-from-parkinson-s-disease-patients
#11
Wei Mao, Chunsong Zhao, Hui Ding, Kuo Liang, Jinhua Xue, Piu Chan, Yanning Cai
DNA methylation of neuronal PAS domain protein 2 (NPAS2) and cryptochrome circadian clock 1 (CRY1) promoters may be associated with Parkinson's disease (PD). However, there is no simple and cost-effective method to quantify DNA methylation in these regions. Additionally, it is not clear whether DNA methylation of NPAS2 and CRY1 promoters is altered in peripheral blood of PD patients, especially newly diagnosed drug-naïve PD patients, and thus can be used as a PD biomarker. In the present study, we utilized bisulfite pyrosequencing assays to examine DNA methylation levels of six CpG sites in the NPAS2 promoter and five CpG sites in the CRY1 promoter...
January 17, 2018: Neuroscience Letters
https://www.readbyqxmd.com/read/29353010/modulation-of-immune-responses-by-plasmodium-falciparum-infection-in-asymptomatic-children-living-in-the-endemic-region-of-mbita-western-kenya
#12
Caroline Kijogi, Daisuke Kimura, Lam Quoc Bao, Risa Nakamura, Evans Asena Chadeka, Ngetich Benard Cheruiyot, Felix Bahati, Kazuhide Yahata, Osamu Kaneko, Sammy M Njenga, Yoshio Ichinose, Shinjiro Hamano, Katsuyuki Yui
Individuals living in malaria endemic areas become clinically immune after multiple re-infections over time and remain infected without apparent symptoms. However, it is unclear why a long period is required to gain clinical immunity to malaria, and how such immunity is maintained. Although malaria infection is reported to induce inhibition of immune responses, studies on asymptomatic individuals living in endemic regions of malaria are relatively scarce. We conducted a cross-sectional study of immune responses in asymptomatic school children aged 4-16years living in an area where Plasmodium falciparum and Schistosoma mansoni infections are co-endemic in Kenya...
January 15, 2018: Parasitology International
https://www.readbyqxmd.com/read/29352742/cambogin-suppresses-dextran-sulphate-sodium-induced-colitis-by-enhancing-treg-cell-stability-and-function
#13
Yue Lu, Na-Mi Kim, Yi-Wen Jiang, Hong Zhang, Dan Zheng, Fu-Xiang Zhu, Rui Liang, Bin Li, Hong-Xi Xu
BACKGROUND AND PURPOSE: Inflammatory bowel disease (IBD) is a chronic and relapsing inflammatory disorder of gastrointestinal tract, and the dysfunction of immune regulation plays a critical role in IBD. Reflecting the limited use of current drugs and therapies for IBD treatment, it is necessary to explore novel drugs or therapies for this disease. We investigated the effect of cambogin in a mouse model of dextran sulphate sodium (DSS)-induced colitis and whether cambogin attenuates inflammation via Treg-cell-mediated immune modulation...
January 20, 2018: British Journal of Pharmacology
https://www.readbyqxmd.com/read/29352704/treatment-of-adult-chronic-indeterminate-chagas-disease-with-benznidazole-and-three-e1224-dosing-regimens-a-proof-of-concept-randomised-placebo-controlled-trial
#14
Faustino Torrico, Joaquim Gascon, Lourdes Ortiz, Cristina Alonso-Vega, María-Jesús Pinazo, Alejandro Schijman, Igor C Almeida, Fabiana Alves, Nathalie Strub-Wourgaft, Isabela Ribeiro
BACKGROUND: Chagas disease is a major neglected vector-borne disease. In this study, we investigated the safety and efficacy of three oral E1224 (a water-soluble ravuconazole prodrug) regimens and benznidazole versus placebo in adult chronic indeterminate Chagas disease. METHOD: In this proof-of-concept, double-blind, randomised phase 2 clinical trial, we recruited adults (18-50 years) with confirmed diagnosis of Trypanosoma cruzi infection from two outpatient units in Bolivia...
January 15, 2018: Lancet Infectious Diseases
https://www.readbyqxmd.com/read/29352660/clinical-significance-of-muc13-in-pancreatic-ductal-adenocarcinoma
#15
Sheema Khan, Nadeem Zafar, Shabia S Khan, Saini Setua, Stephen W Behrman, Zachary E Stiles, Murali M Yallapu, Peeyush Sahay, Hemendra Ghimire, Tomoko Ise, Satoshi Nagata, Lei Wang, Jim Y Wan, Prabhakar Pradhan, Meena Jaggi, Subhash C Chauhan
BACKGROUND: Poor prognosis of pancreatic cancer (PanCa) is associated with lack of an effective early diagnostic biomarker. This study elucidates significance of MUC13, as a diagnostic/prognostic marker of PanCa. METHODS: MUC13 was assessed in tissues using our in-house generated anti-MUC13 mouse monoclonal antibody and analyzed for clinical correlation by immunohistochemistry, immunoblotting, RT-PCR, computational and submicron scale mass-density fluctuation analyses, ROC and Kaplan Meir curve analyses...
January 15, 2018: HPB: the Official Journal of the International Hepato Pancreato Biliary Association
https://www.readbyqxmd.com/read/29352647/ifn-%C3%AE-and-tnf-%C3%AE-pre-licensing-protects-mesenchymal-stromal-cells-from-the-pro-inflammatory-effects-of-palmitate
#16
Lauren Boland, Anthony J Burand, Alex J Brown, Devlin Boyt, Vitor A Lira, James A Ankrum
The use of mesenchymal stromal cell (MSC) therapy for the treatment of type 2 diabetes (T2D) and T2D complications is promising; however, the investigation of MSC function in the setting of T2D has not been thoroughly explored. In our current study, we investigated the phenotype and function of MSCs in a simulated in vitro T2D environment. We show that palmitate, but not glucose, exposure impairs MSC metabolic activity with moderate increases in apoptosis, while drastically affecting proliferation and morphology...
December 19, 2017: Molecular Therapy: the Journal of the American Society of Gene Therapy
https://www.readbyqxmd.com/read/29352600/placental-control-of-metabolic-adaptations-in-the-mother-for-an-optimal-pregnancy-outcome-what-goes-wrong-in-gestational-diabetes
#17
David J Hill
As pregnancy progresses the placental syncytiotrophoblast increasingly assumes control of maternal glucose homeostasis through the release and counter-balancing effects of placental lactogen (PL) and placental variant growth hormone (GH-V). While local actions of these hormones on placental growth and function are likely to exist, each also exerts indirect actions to ensure fetal nutritional availability through modulation of the maternal insulin/insulin-like growth factor axis. Peripheral insulin resistance results from the increasing levels of GH-V in the maternal circulation and is counter-balanced by an increase in insulin availability through an expansion of maternal pancreatic β-cell mass...
January 9, 2018: Placenta
https://www.readbyqxmd.com/read/29352518/ropivacaine-preperitoneal-wound-infusion-for-pain-relief-and-prevention-of-incisional-hyperalgesia-after-laparoscopic-colorectal-surgery
#18
M Beaussier, Y Parc, J Guechot, M Cachanado, A Rousseau, T Lescot
AIM: The abdominal incision for specimen extraction could trigger postoperative pain after laparoscopic colorectal resections (LCR). Continuous Wound Infusion (CWI) of ropivacaine may be a valuable option for postoperative analgesia. This study was undertaken to evaluate the potential benefits of ropivacaine CWI on pain relief, metabolic stress reaction, prevention of wound hyperalgesia and residual incisional pain after LCR. A subgroup with intravenous lidocaine infusion (IVL) was added to discriminate between the peripheral and systemic effects of local anaesthetic infusions...
January 19, 2018: Colorectal Disease: the Official Journal of the Association of Coloproctology of Great Britain and Ireland
https://www.readbyqxmd.com/read/29352512/trpv1-antagonists-that-cause-hypothermia-instead-of-hyperthermia-in-rodents-compounds-pharmacological-profiles-in-vivo-targets-thermoeffectors-recruited-and-implications-for-drug-development
#19
Andras Garami, Eszter Pakai, Heath A McDonald, Regina M Reilly, Arthur Gomtsyan, Joshua J Corrigan, Erika Pinter, Dawn X D Zhu, Sonya G Lehto, Narender R Gavva, Philip R Kym, Andrej A Romanovsky
AIM: Thermoregulatory side effects hinder the development of transient receptor potential vanilloid-1 (TRPV1) antagonists as new painkillers. While many antagonists cause hyperthermia, a well-studied effect, some cause hypothermia. The mechanisms of this hypothermia are unknown and were studied herein. METHODS: Two hypothermia-inducing TRPV1 antagonists, the newly synthesized A-1165901 and the known AMG7905, were used in physiological experiments in rats and mice...
January 20, 2018: Acta Physiologica
https://www.readbyqxmd.com/read/29352500/characterization-of-skin-blister-fluids-from-children-with-epstein-barr-virus-associated-lymphoproliferative-disease
#20
Taizo Wada, Tomoko Toma, Hanae Miyazawa, Eiko Koizumi, Tetsujiro Shirahashi, Yusuke Matsuda, Akihiro Yachie
Epstein-Barr virus (EBV)-associated T- or natural killer (NK)-cell lymphoproliferative disease (LPD) is a heterogeneous group of disorders characterized by chronic proliferation of EBV-infected lymphocytes. Patients may present with severe skin manifestations, including hypersensitivity to mosquito bites (HMB) and hydroa vacciniforme (HV)-like eruption, which are characterized by blister formation and necrotic ulceration. Skin biopsy specimens show inflammatory reactions comprising EBV-infected lymphocytes...
January 20, 2018: Journal of Dermatology
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