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Plasma donation

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https://www.readbyqxmd.com/read/29905053/-effect-of-human-adipose-derived-stem-cells-on-pressure-ulcer-healing-in-mouse
#1
Chengliang Deng, Zhiyuan Liu, Yuanzhen Yao, Ruichi Liu, Zairong Wei, Dali Wang
Objective: To investigate the effect of human adipose-derived stem cells (hADSCs) on pressure ulcers in mouse. Methods: The subcutaneous adipose tissue from voluntary donation was harvested. Then the hADSCs were isolated and cultured by mechanical isolation combined with typeⅠcollagenase digestion. The 3rd generation cells were identified by osteogenic, adipogenic, chondrogenic differentiations and flow cytometry. The platelet rich plasma (PRP) from peripheral blood donated by healthy volunteers was prepared by centrifugation...
June 1, 2018: Chinese Journal of Reparative and Reconstructive Surgery
https://www.readbyqxmd.com/read/29871794/elevated-levels-of-adrenomedullin-in-eutopic-endometrium-and-plasma-from-women-with-endometriosis
#2
Brooke C Matson, Kelsey E Quinn, Bruce A Lessey, Steven L Young, Kathleen M Caron
OBJECTIVE: To test adrenomedullin (Adm, ADM) as a downstream target of signal transducer and activator of transcription 3 (STAT3) in endometrial cells and to test midregional proadrenomedullin (MR-proADM) as a biomarker of endometriosis. DESIGN: Cross-sectional analysis of Adm expression in eutopic endometrium and of MR-proADM in plasma from women with and without endometriosis; and prospective study of MR-proADM levels in women with endometriosis undergoing surgical resection of ectopic lesions...
June 2, 2018: Fertility and Sterility
https://www.readbyqxmd.com/read/29849057/stability-and-reproducibility-of-proteomic-profiles-measured-with-an-aptamer-based-platform
#3
Claire H Kim, Shelley S Tworoger, Meir J Stampfer, Simon T Dillon, Xuesong Gu, Sherilyn J Sawyer, Andrew T Chan, Towia A Libermann, A Heather Eliassen
The feasibility of SOMAscan, a multiplex, high sensitivity proteomics platform, for use in studies using archived plasma samples has not yet been assessed. We quantified 1,305 proteins from plasma samples donated by 16 Nurses' Health Study (NHS) participants, 40 NHSII participants, and 12 local volunteers. We assessed assay reproducibility using coefficients of variation (CV) from duplicate samples and intra-class correlation coefficients (ICC) and Spearman correlation coefficients (r) of samples processed (i...
May 30, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29794822/zidovudine-based-treatments-inhibit-the-glycosylation-of-adam17-and-reduce-cd163-shedding-from-monocytes
#4
Song Chen, Xiaoyu Wang, Haipeng Zhu, Qin Tang, Wei DU, Huanhuan Cao, Chunhui Lai, Weizhong Guo, Linchun Fu, Wei Lu
BACKGROUND: sCD163, a biomarker of monocyte-macrophage activation, has been identified as a predictor of all-cause mortality in treated HIV-infected individuals. Nevertheless, little is known about whether different antiretroviral drugs differentially regulate sCD163 levels and monocyte activation. METHODS: A total of 123 patients receiving zidovudine (ZDV)-based (n = 55) or tenofovir disoproxil fumarate (TDF)-based (n = 68) antiretroviral regimens were enrolled, and their viral loads, CD4 counts, as well as plasma sCD163 and sCD14 levels were quantified...
May 23, 2018: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/29780162/dietary-antioxidant-intake-and-the-risk-of-developing-barrett-s-oesophagus-and-oesophageal-adenocarcinoma
#5
James H-E Kang, Robert Luben, Leo Alexandre, Andrew R Hart
BACKGROUND: We investigated in a cohort study, for the first time using 7-day food diaries (7-DFDs), for age-dependent inverse associations with antioxidants, which have anti-carcinogenic properties, and development of Barrett's oesophagus (BO) and oesophageal adenocarcinoma (OAC). METHODS: A total of 24,068 well individuals completed 7-DFDs and donated blood. Vitamins C and E, carotenes, zinc and selenium intakes, and plasma vitamin C were measured. Participants were monitored for 15 years for BO and OAC...
May 21, 2018: British Journal of Cancer
https://www.readbyqxmd.com/read/29776812/preservation-with-%C3%AE-1-antitrypsin-improves-primary-graft-function-of-murine-lung-transplants
#6
Jessica Götzfried, Natalia F Smirnova, Carmela Morrone, Brice Korkmaz, Ali Önder Yildirim, Oliver Eickelberg, Dieter E Jenne
BACKGROUND: Vascular damage and primary graft dysfunction increase with prolonged preservation times of transplanted donor lungs. Hence, storage and conservation of donated lungs in protein-free, dextran-containing electrolyte solutions, like Perfadex, is limited to about 6 hours. We hypothesized that transplanted lungs are protected against neutrophil-mediated proteolytic damage by adding α1 -anti-trypsin (AAT), a highly abundant human plasma proteinase inhibitor, to Perfadex. METHODS: A realistic clinically oriented murine model of lung transplantation was used to simulate the ischemia-reperfusion process...
March 30, 2018: Journal of Heart and Lung Transplantation
https://www.readbyqxmd.com/read/29765255/distribution-of-pomalidomide-into-semen-of-healthy-male-subjects-after-multiple-doses
#7
Yan Li, Xiaomin Wang, Liangang Liu, Josephine Reyes, Maria Palmisano, Simon Zhou
Objective: To assess whether pomalidomide can distribute into human semen and its duration in human semen. Method: A phase 1, randomized, double-blind, placebo-controlled study (CC-4047-CP-006) was conducted to evaluate the safety, tolerability, and pharmacokinetics of pomalidomide (CC-4047) following multiple daily doses in healthy male subjects. Semen samples were collected on Day -1 and 4 hours after dosing on Day 4 to quantify the pomalidomide concentrations in ejaculate after multiple oral doses of pomalidomide...
2018: Clinical Pharmacology: Advances and Applications
https://www.readbyqxmd.com/read/29757135/a-nationwide-retrospective-study-on-prevalence-of-hepatitis-e-virus-infection-in-italian-blood-donors
#8
Enea Spada, Simonetta Pupella, Giulio Pisani, Roberto Bruni, Paola Chionne, Elisabetta Madonna, Umbertina Villano, Matteo Simeoni, Sara Fabi, Giuseppe Marano, Cinzia Marcantonio, Patrizio Pezzotti, Anna R Ciccaglione, Giancarlo M Liumbruno
BACKGROUND: In Europe, hepatitis E virus (HEV) infection is mainly a food-borne zoonosis, but it can also be transmitted by blood transfusion. It is usually a mild and self-limited infection. However, immunocompromised persons, who are also those more likely to undergo blood transfusions, may develop chronic hepatitis and often cirrhosis. Since this is a potential threat to blood safety, we aimed to investigate HEV prevalence in Italian blood donors. MATERIALS AND METHODS: We used plasma donations collected during 2015-2016 by blood services (BS) scattered throughout the Italian regions and intended for the production of plasma-derived medicines...
May 4, 2018: Blood Transfusion, Trasfusione del Sangue
https://www.readbyqxmd.com/read/29742375/investigational-testing-for-zika-virus-among-u-s-blood-donors
#9
MULTICENTER STUDY
Paula Saá, Melanie Proctor, Gregory Foster, David Krysztof, Colleen Winton, Jeffrey M Linnen, Kui Gao, Jaye P Brodsky, Ronald J Limberger, Roger Y Dodd, Susan L Stramer
BACKGROUND: Because of the potential severe clinical consequences of Zika virus (ZIKV) infection, the large numbers of asymptomatic travelers returning from ZIKV-active areas, the detection of ZIKV nucleic acid in blood, and reports of transmission of ZIKV through transfusion, in 2016 the Food and Drug Administration released recommendations for individual-unit nucleic acid testing to minimize the risk of transmission of ZIKV through blood transfusions. METHODS: The American Red Cross implemented investigational screening of donated blood for ZIKV RNA by means of transcription-mediated amplification (TMA)...
May 10, 2018: New England Journal of Medicine
https://www.readbyqxmd.com/read/29723148/-the-influence-of-acizolum-to-bioelements-content-in-rat-s-blood-plasma-parenchimal-organs-and-brain
#10
A F Yakimovskii, I I Shantyr, M A Vlasenko, M V Yakovleva, S Yu Kryzanovskaia
Zinc content in blood plasma and brain tissue of rats was studied by analytic mass-spectrometry with inductively coupled plasma. In control (saline-treated animal) zinc content in plasma was 3.6±1.4 mg/ml, in the liver - 12.5±2.5 mg/mg, in the spleen - 10.9±4.1 mg/mg, in the brain - 8.7±3.0 mg/mg. After a single intraperitoneal injection of zinc donator acizolum (24 mg/kg) zinc content decreased in all examined tissues, especially in brain. After a course of sequential acizolum injections (seven administrations during two weeks) essential elevation of zinc content in blood plasma and tissues investigated was detected...
March 2018: Biomedit︠s︡inskai︠a︡ Khimii︠a︡
https://www.readbyqxmd.com/read/29712742/persistent-organochlorine-pollutants-in-plasma-blood-pressure-and-hypertension-in-a-longitudinal-study
#11
Carolina Donat-Vargas, Agneta Åkesson, Andreas Tornevi, Maria Wennberg, Johan Sommar, Hannu Kiviranta, Panu Rantakokko, Ingvar A Bergdahl
Persistent organochlorine pollutants (POPs) have shown to be involved in the atherosclerotic process and to cause endothelial cell dysfunction. To assess longitudinally whether plasma concentrations of different POPs were associated with blood pressure and risk of hypertension in middle-aged women and men. Study subjects were 850 participants in the VIP (Västerbotten Intervention Programme) with 2 blood samples and blood pressure measurements, 10 years apart, during 1990 to 2003 (baseline) and during 2000 to 2013 (follow-up)...
June 2018: Hypertension
https://www.readbyqxmd.com/read/29703711/the-prevalence-of-transfusion-transmitted-infections-and-nucleic-acid-testing-among-blood-donors-in-majmaah-saudi-arabia
#12
Mohammed Alaidarous, Ranjay K Choudhary, Mohamed I Waly, Shabir Mir, Abdulaziz Bin Dukhyil, Saeed S Banawas, Bader M Alshehri
BACKGROUND: Few studies discussed the prevalence of TTIs in Saudi donor blood samples. Thus, this study investigated the prevalence of hepatitis B virus (HBV), hepatitis C virus (HCV), human immunodeficiency virus (HIV), human T-lymphotropic virus (HTLV), syphilis and malaria in such samples to determine the efficacy of conducting serological and NATs on blood donors at King Khalid General Hospital in Majmaah, Saudi Arabia. METHODS: A total of 3028 donated blood units were collected from August 2015 to March 2017...
April 24, 2018: Journal of Infection and Public Health
https://www.readbyqxmd.com/read/29686986/blood-and-blood-components-from-similarities-to-differences
#13
REVIEW
Olivier Garraud, Jean-Daniel Tissot
Blood transfusion is made possible because, in most countries and organizations, altruistic individuals voluntarily, anonymously, and generously donate (without compensation) either whole blood or separated components that are then processed and distributed by professionals, prior to being allocated to recipients in need. Being part of modern medicine, blood transfusion uses so-called standard blood components when relative to cellular fractions and fresh plasma. However, as will be discussed in this paper, strictly speaking, such so-called labile blood components are not completely standard...
2018: Frontiers in Medicine
https://www.readbyqxmd.com/read/29684155/identification-of-elite-blood-donors-with-broad-and-potent-neutralizing-activity-against-the-human-cytomegalovirus
#14
Jessica Julia Falk, Martina Winkelmann, Dagmar Stöhr, Mira Alt, Hubert Schrezenmeier, Adalbert Krawczyk, Ramin Lotfi, Christian Sinzger
To improve the potency of anti-human cytomegalovirus (HCMV) immunoglobulin preparations, we intended to find elite neutralizers among 9000 HCMV-seropositive blood donors. We identified 2.6 % top neutralizers using a high throughput screening and further analyzed the 80 most effective plasmas for strain-independent activity. Of those, 58 were broadly neutralizing towards various HCMV strains and hence regarded "elite" neutralizers. All elite neutralizers were then analyzed concerning their effect on individual virus particles during entry...
April 19, 2018: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29671959/renal-sulfate-reabsorption-in-healthy-individuals-and-renal-transplant-recipients
#15
Adrian Post, Isidor Minović, Else van den Berg, Manfred L Eggersdorfer, Gerjan J Navis, Johanna M Geleijnse, Reinold O B Gans, Harry van Goor, Joachim Struck, Casper F M Franssen, Ido P Kema, Stephan J L Bakker
Inorganic sulfate is essential for normal cellular function and its homeostasis is primarily regulated in the kidneys. However, little is known about renal sulfate handling in humans and particularly in populations with impaired kidney function such as renal transplant recipients (RTR). Hence, we aimed to assess sulfate reabsorption in kidney donors and RTR. Plasma and urinary sulfate were determined in 671 RTR and in 251 kidney donors. Tubular sulfate reabsorption (TSR) was defined as filtered load minus sulfate excretion and fractional sulfate reabsorption (FSR) was defined as 1-fractional excretion...
April 2018: Physiological Reports
https://www.readbyqxmd.com/read/29660943/circulating-cell-free-micro-rna-profiles-reflect-discordant-development-of-dementia-in-monozygotic-twins
#16
Jonas Mengel-From, Mette E Rønne, Anting L Carlsen, Kristin Skogstrand, Lisbeth A Larsen, Qihua Tan, Lene Christiansen, Kaare Christensen, Niels H H Heegaard
We aim to examine if circulating micro-RNA and cytokine levels associate with dementia diagnosis and cognitive scores. To test our hypothesis, we use plasma donated from 48 monozygotic twin pairs in 1997 and 46 micro-RNAs and 10 cytokines were quantified using microfluidic RT-qPCR and multiplex solid-phase immunoassays, respectively. Micro-RNA and cytokine profiling were examined for associations with dementia diagnoses in a longitudinal registry study or with cognitive scores at baseline. Thirty-six micro-RNAs and all cytokines were detected consistently...
2018: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/29657561/habitual-sleep-and-human-plasma-metabolomics
#17
Qian Xiao, Andriy Derkach, Steven C Moore, Wei Zheng, Xiao-Ou Shu, Fangyi Gu, Neil E Caporaso, Joshua N Sampson, Charles E Matthews
Introduction: Sleep plays an important role in cardiometabolic health. The sleep-wake cycle is partially driven by the endogenous circadian clock, which governs a range of metabolic pathways. The association between sleep and cardiometabolic health may be mediated by alterations of the human metabolome. Objectives: To better understand the biological mechanism underlying the association between sleep and health, we examined human plasma metabolites in relation to sleep duration and sleep timing...
May 2017: Metabolomics: Official Journal of the Metabolomic Society
https://www.readbyqxmd.com/read/29648992/international-normalized-ratio-inr-testing-in-europe-between-laboratory-comparability-of-test-results-obtained-by-quick-and-owren-reagents
#18
Piet Meijer, Karin Kynde, Antonius M H P van den Besselaar, Marjan Van Blerk, Timothy A L Woods
BACKGROUND: This study was designed to obtain an overview of the analytical quality of the prothrombin time, reported as international normalized ratio (INR) and to assess the variation of INR results between European laboratories, the difference between Quick-type and Owren-type methods and the effect of using local INR calibration or not. In addition, we assessed the variation in INR results obtained for a single donation in comparison with a pool of several plasmas. METHODS: A set of four different lyophilized plasma samples were distributed via national EQA organizations to participating laboratories for INR measurement...
April 12, 2018: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/29614608/-primary-prevention-by-hepatitis-b-vaccine-on-liver-cancer-in-high-incidence-area-of-china
#19
Y T Wang, T Y Chen, J Zhu, Y C Jiao, C F Qu
Objective: Incidence of primary liver cancer (PLC) in China is mostly related to chronic infection of hepatitis B virus (HBV). Qidong was one of the endemic areas with high incidence of PLC in China before 2000. We conducted a series of studies regarding on PLC etiological prevention during the past decades to develop better primary prevention strategies for PLC. Methods: Qidong Hepatitis B Intervention Study was conducted in 1983-1990. A total of 41 182 newborns were randomly assigned to vaccination group and 40 211 (97...
April 6, 2018: Zhonghua Yu Fang Yi Xue za Zhi [Chinese Journal of Preventive Medicine]
https://www.readbyqxmd.com/read/29614520/risk-factors-for-higher-than-expected-residual-rivaroxaban-plasma-concentrations-in-real-life-patients
#20
Alexander Kaserer, Andreas Schedler, Alexander Jetter, Burkhardt Seifert, Donat R Spahn, Philipp Stein, Jan-Dirk Studt
INTRODUCTION:  Rivaroxaban (RXA) is a direct oral factor Xa (Xa) antagonist with a short half-life and a fast onset and offset of effect. Before elective surgery, discontinuation is recommended with an interval of at least > 24 hours. In clinical practice, this is, however, not always sufficient to achieve a residual RXA plasma concentration deemed appropriate for surgery, defined as ≤ 50 mcg/L. Our study aimed at identifying factors associated with a higher-than-expected residual RXA plasma concentration in a large group of real-life patients...
May 2018: Thrombosis and Haemostasis
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