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https://www.readbyqxmd.com/read/28103209/west-nile-virus-and-other-nationally-notifiable-arboviral-diseases-united-states-2015
#1
Elisabeth Krow-Lucal, Nicole P Lindsey, Jennifer Lehman, Marc Fischer, J Erin Staples
Arthropod-borne viruses (arboviruses) are transmitted to humans primarily through the bites of infected mosquitoes and ticks. The leading cause of domestically acquired arboviral disease in the United States is West Nile virus (WNV) (1). Other arboviruses, including La Crosse, St. Louis encephalitis, Jamestown Canyon, Powassan, and eastern equine encephalitis viruses, also cause sporadic cases and outbreaks. This report summarizes surveillance data reported to CDC in 2015 for nationally notifiable arboviruses...
January 20, 2017: MMWR. Morbidity and Mortality Weekly Report
https://www.readbyqxmd.com/read/28102731/microfluidic-whole-blood-testing-of-platelet-response-to-pharmacological-agents
#2
Ruizhi Li, Tilo Grosser, Scott L Diamond
Platelets present a number of intracellular and transmembrane targets subject to pharmacological modulation, either for cardiovascular disease reduction or as an unintended drug response. Microfluidic devices allow human blood to clot on a defined surface under controlled hemodynamic and pharmacological conditions. The potencies of a number of antiplatelet and anticancer drugs have been tested with respect to platelet deposition on collagen under flow. Inhibitors of cyclooxygenase-1 (COX-1) reduce platelet deposition, either when added ex vivo to blood or ingested orally by patients prior to testing...
January 19, 2017: Platelets
https://www.readbyqxmd.com/read/28102730/alloimmunisation-in-transfused-patients-serial-cross-matching-in-a-population-of-hospitalised-cats
#3
Layla Hourani, Christiane Weingart, Barbara Kohn
Objectives Cross-matching is currently recommended as part of pre-transfusion testing for repeat transfusions in cats 4 days after having received an initial transfusion. This prospective study determined when and if cats developed positive cross-match (CM) results after having been transfused with AB-compatible blood. Methods Donors were selected according to standard transfusion safety protocols. Twenty-one hospitalised anaemic recipients (blood type A: n = 20; blood type B: n = 1) received 1-4 (median 2) whole-blood transfusions (WBTs) over 1-6 days (median 2) in 33 transfusion instances...
January 1, 2017: Journal of Feline Medicine and Surgery
https://www.readbyqxmd.com/read/28096847/transfusion-transmitted-malaria-in-iran-a-narrative-review-article
#4
REVIEW
Ahmad Mardani, Hossein Keshavarz, Ali Akbar Pourfathollah, Mahtab Maghsudlu
BACKGROUND: Malaria is the most important transfusion-transmitted infection (TTI) in worldwide after viral hepatitis and human immunodeficiency virus (HIV) infection. The main objective of the present study was to review and evaluate the transmission of malaria via blood transfusion in Iran. METHODS: A literature search was done without time limitation in the electronic databases as follows: PubMed, Scopus, Google Scholar, Web of Science, Science Direct, scientific information database (SID), Magiran, IranMedex and Irandoc...
April 2016: Iranian Journal of Parasitology
https://www.readbyqxmd.com/read/28095288/cytomegalovirus-immunoglobulin-g-avidity-index-among-blood-donors-in-alexandria-egypt
#5
Aleya Abdel Gawad, Mona Hashish, Amani Abaza, Aisha El-Kayal
BACKGROUND: Transfusion transmitted diseases (TTD) are a major challenge to transfusion services all over the world. Cytomegalovirus (CMV) is considered one of the main viruses associated with blood transfusion. As CMV screening is not included in routine screening tests done for donated blood in blood banks in Egypt, the detection of CMV Immunoglobulin G (IgG) avidity needs to be tested for being a useful tool to diagnose recent infection among blood donors. The aim of this work was to study CMV IgG avidity index (AI) among blood donors...
December 2016: Central European Journal of Public Health
https://www.readbyqxmd.com/read/28077743/seroepidemiology-of-human-brucellosis-among-blood-donors-in-southern-ethiopia-calling-attention-to-a-neglected-zoonotic-disease
#6
Bereket Workalemahu, Tsegaye Sewunet, Ayalew Astatkie
Human brucellosis is neglected in southern Ethiopia. Although traditional food processing practices and animal husbandry which increase the risk of brucellosis are common, it has not been properly studied yet. This study was conducted to determine the seroepidemiology of brucellosis among apparently healthy individuals in southern Ethiopia. In the study, blood samples were collected to screen for serum agglutinins reactive to stained antigen of Brucella abortus Standard tube titration was performed for reactive serum to determine the titer of the agglutinin...
January 11, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28076445/emerging-bordetella-pertussis-strains-induce-enhanced-signaling-of-human-pattern-recognition-receptors-tlr2-nod2-and-secretion-of-il-10-by-dendritic-cells
#7
Elise S Hovingh, Marjolein van Gent, Hendrik-Jan Hamstra, Marc Demkes, Frits R Mooi, Elena Pinelli
Vaccines against pertussis have been available for more than 60 years. Nonetheless, this highly contagious disease is reemerging even in countries with high vaccination coverage. Genetic changes of Bordetella pertussis over time have been suggested to contribute to the resurgence of pertussis, as these changes may favor escape from vaccine-induced immunity. Nonetheless, studies on the effects of these bacterial changes on the immune response are limited. Here, we characterize innate immune recognition and activation by a collection of genetically diverse B...
2017: PloS One
https://www.readbyqxmd.com/read/28070197/a-survey-on-the-prevalence-of-depression-in-blood-donors-with-hepatitis-c-in-shiraz
#8
Leila Kasraian, Neda Negarestani, Mohammad Hossein Karimi, Sahar Dehbidi
BACKGROUND: Depression is the most common psychiatric disorder associated with hepatitis C. OBJECTIVES: This study aimed to survey the prevalence rate of depression in patients with Hepatitis C Virus (HCV) before they were aware of their HCV test result. METHODS: This cross-sectional study was conducted on all blood donors with confirmed positive HCV test results who donated blood between March 21, 2012 to March 21, 2013 at Fars blood transfusion center in Iran as case group and age- and sex-matched blood donors with negative screening test results as control group...
November 2016: Hepatitis Monthly
https://www.readbyqxmd.com/read/28068510/current-knowledge-and-priorities-for-future-research-in-late-effects-after-hematopoietic-stem-cell-transplantation-hct-for-severe-combined-immunodeficiency-patients-a-consensus-statement-from-the-second-pediatric-blood-and-marrow-transplant-consortium-international
#9
REVIEW
Jennifer Heimall, Jennifer Puck, Rebecca Buckley, Thomas A Fleisher, Andrew R Gennery, Benedicte Neven, Mary Slatter, Elie Haddad, Luigi D Notarangelo, K Scott Baker, Andrew C Dietz, Christine Duncan, Michael A Pulsipher, Mort J Cowan
Severe combined immunodeficiency (SCID) is 1 of the most common indications for pediatric hematopoietic cell transplantation (HCT) in patients with primary immunodeficiency. Historically, SCID was diagnosed in infants who presented with opportunistic infections within the first year of life. With newborn screening (NBS) for SCID in most of the United States, the majority of infants with SCID are now diagnosed and treated in the first 3.5 months of life; however, in the rest of the world, the lack of NBS means that most infants with SCID still present with infections...
January 6, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/28066900/boosting-of-post-exposure-human-t-and-b-cell-recall-responses-in-vivo-by-burkholderia-pseudomallei-related-proteins
#10
Arnone Nithichanon, Louise J Gourlay, Gregory J Bancroft, Manabu Ato, Yoshimasa Takahashi, Ganjana Lertmemongkolchai
Burkholderia pseudomallei is the causative agent of melioidosis, an infectious disease with high incidence and mortality in South East Asia and Northern Australia. To date there is no protective vaccine and antibiotic treatment is prolonged and not always effective. Most people living in endemic areas have been exposed to the bacteria and have developed some immunity, which may have helped prevent disease. Here, we used a humanized mouse model (hu-PBL-SCID), reconstituted with human peripheral blood mononuclear cells (PBMCs) from seropositive donors, to illustrate the potential of three known antigens (FliC, OmpA and N-PilO2) for boosting both T- and B-cell immune responses...
January 9, 2017: Immunology
https://www.readbyqxmd.com/read/28065763/the-kidd-jk-blood-group-system
#11
REVIEW
Shaun Lawicki, Randal B Covin, Amy A Powers
The Kidd blood group system was discovered in 1951 and is composed of 2 antithetical antigens, Jk(a) and Jk(b), along with a third high-incidence antigen, Jk3. The Jk3 antigen is expressed in all individuals except those with the rare Kidd-null phenotype. Four Kidd phenotypes are therefore possible: Jk(a+b-), Jk(a-b+), Jk(a+b+), and Jk(a-b-). The glycoprotein carrying the Kidd antigens is a 43-kDa, 389-amino acid protein with 10 membrane-spanning domains which functions as a urea transporter on endothelial cells of the renal vasa recta as well as erythrocytes...
November 9, 2016: Transfusion Medicine Reviews
https://www.readbyqxmd.com/read/28057026/advances-in-rare-cell-isolation-an-optimization-and-evaluation-study
#12
Stefan Schreier, Piamsiri Sawaisorn, Rachanee Udomsangpetch, Wannapong Triampo
BACKGROUND: Rare nucleated CD45 negative cells in peripheral blood may be malignant such as circulating tumor cells. Untouched isolation thereof by depletion of normal is favored yet still technological challenging. We optimized and evaluated a novel magnetic bead-based negative selection approach for enhanced enrichment of rare peripheral blood nucleated CD45 negative cells and investigated the problem of rare cell contamination during phlebotomy. METHODS: Firstly, the performance of the magnetic cell separation system was assessed using leukocytes and cultivated fibroblast cells in regard to depletion efficiency and the loss of cells of interest...
January 5, 2017: Journal of Translational Medicine
https://www.readbyqxmd.com/read/28050376/a-retrospective-analysis-of-apheresis-donor-deferral-and-adverse-reactions-at-a-tertiary-care-centre-in-india
#13
Disha Arora, Ketan Garg, Ankit Kaushik, Richa Sharma, D S Rawat, A K Mandal
INTRODUCTION: With increasing demand of platelet component each day, blood bank plays a pivotal role in ensuring supply of safe blood as and when required. Plateletpheresis procedure is a relatively simple, safe and important adjunct to blood bank inventory. However, recruitment of healthy blood donors is a challenge that the health industry is facing today. AIM: To determine the reasons and rates of apheresis donor deferral along with investigation of adverse reactions encountered during the procedure...
November 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28041821/nat-positivity-in-seronegative-voluntary-blood-donors-from-western-india
#14
Kanchan K Mishra, Apeksha Trivedi, Sheetal Sosa, Krima Patel, Kanjaksha Ghosh
BACKGROUND AND OBJECTIVES: Prevalence and composition of Hepatitis B, Hepatitis C and HIV-1, NAT positive but seronegative voluntary blood donors from western part of India is yet to be documented. MATERIAL AND METHODS: Over last 2 1/2 years all the seronegative voluntary blood donors were tested using 10 minipools on a semiautomated NAT testing platform. The positively tested donors were followed up for at least five months for development of seropositivity. RESULTS: 79532 seronegative donations were tested by 10 minipool (MP) NAT leading to 51 positive sample (44 Hep B, 5 HIV 1 and Hep C positive)...
December 13, 2016: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/28036115/development-and-validation-of-a-real-time-reverse-transcriptase-pcr-assay-for-sensitive-detection-of-sftsv
#15
Peibin Zeng, Zhendong Yang, Sonia Bakkour, Bingjun Wang, Shuli Qing, Jingxing Wang, Limin Chen, Michael Busch, Hua Shan, Jing Liu, Tzong-Hae Lee
BACKGROUND: Severe fever with thrombocytopenia syndrome bunyavirus (SFTSV) is an emerging tick-borne RNA virus recently identified as the pathogen that causes severe fever with thrombocytopenia syndrome (SFTS) in China. The existing commercial nucleic acid testing (comNAT) assay with a relatively high claimed limit of quantitative detection (LOQD) is not capable of sensitive detection and quantitation of SFTSV. Thus, a new real-time reverse transcriptase (RT)-PCR assay with improved sensitivity is needed for clinical diagnosis; it could also be used to screen blood donors if necessary...
December 30, 2016: Journal of Medical Virology
https://www.readbyqxmd.com/read/28035774/prevalence-of-hepatitis-e-virus-infection-among-blood-donors-in-mainland-china-a-meta-analysis
#16
Longmu Zhang, Shuxian Jiao, Zhongsi Yang, Lei Xu, Li Liu, Qiuxia Feng, Xia Zhang, Yun Hou, Shuyi He, John Saldanha, Shuang Wang, Bin Wang
BACKGROUND: The risk of hepatitis E virus (HEV) infection from blood transfusion has raised increasing concern in many countries. Several transfusion-transmitted cases have been described in the United Kingdom and Japan. The objective was to investigate the prevalence of HEV infection among Chinese blood donors and analyze the potential risk of HEV infection through blood transfusion in China. STUDY DESIGN AND METHODS: Major English and Chinese research databases were used as background research for the study of locations, years, and the number of HEV infections among blood donors in China...
December 30, 2016: Transfusion
https://www.readbyqxmd.com/read/28029567/blood-discard-rate-in-a-blood-center-in-curitiba-brazil-ten-years-of-study
#17
Aline G Monich, Tiago W Dantas, Karla B Fávero, Paulo T R Almeida, Eliane C Maluf, Carolina De M Capeletto, Renato M Nisihara
INTRODUCTION: Development of technologies to reduce transfusion risks of infectious diseases is a major characteristic of hemotherapy. Thus, each donation undergoes clinical and serological screening tests to ensure the donated blood do not offer risks to the receiver. OBJECTIVE: Evaluate the prevalence of positive serology in blood donations rejected by Hemobanco (Curitiba - PR) in the period ranging from January 2003 to December 2012. METHODOLOGY: During the period studied, we observed the total number of donations and its division according to gender...
October 25, 2016: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/28028295/current-trends-of-seroprevalence-of-transfusion-transmitted-infections-in-pakistani-%C3%AE-thalassaemic-patients
#18
S Sultan, S M Irfan, M Siddiqui, S M H Zaidi
BACKGROUND: Though regular blood transfusion improves the survival, it carries the unavoidable risk of transfusion transmitted infections (TTI) in β-thalassaemic patients. Owing to the lack of uniformity in blood screening practices in Pakistan, TTI is still a major challenge. OBJECTIVES: To study the current trends of TTI in regularly transfused β-thalassaemics and their correlation with age, number of transfusions, hematological and biochemical markers. METHODS: We carried out a prospective case-control study...
December 2016: Malaysian Journal of Pathology
https://www.readbyqxmd.com/read/28012709/the-history-and-challenges-of-blood-donor-screening-in-china
#19
REVIEW
Ling Li, Ka Yi Li, Ke Yan, Guojin Ou, Wenhui Li, Jue Wang, Ning Song, Li Tian, Xin Ji, Yongjun Chen, Xiaohua Liang, Zhong Liu, Yanyun Wu
Since the establishment of People's Republic of China in 1949, the Chinese government has encountered several catastrophes related to transfusion transmitted diseases. The government's increasing attention to blood safety has prompted the initiation of a series of policies and measures that have enhanced the level of safety for the blood supply and met the basic clinical demands of blood for 1.3 billion people in the country. Blood donation screening strategies in China predominantly comprise donor screening and donor testing...
November 12, 2016: Transfusion Medicine Reviews
https://www.readbyqxmd.com/read/28009328/seroprevalence-and-diagnosis-of-hiv-hbv-hcv-and-syphilis-infections-among-blood-donors
#20
Tadesse Bekele Tafesse, Addis Adera Gebru, Semgne Gobalee, Gosaye Degu Bely, Molla Teferi Belew, Demelash Arso, Belay Ali Ebrahim, Getachew Mekonnon Shebeshi, Yonas Yimam
BACKGROUND: Blood transfusion is one of the most important therapeutic options of life-saving intervention for recipients who are in diseased or non-diseased conditions with severe blood loss. However, it is associated with certain risks which can lead to adverse consequences that may cause acute or delayed complications and bring the risk of transfusion-transmissible infections including HIV, Hepatitis B & C and Syphilis. So, there might be a fatal risk instead of life saving. This paper aims to provide a comprehensive and reliable tabulation of available data on seroprevalence and diagnosis of HIV, HBV, HCV and Syphilis infections among blood donors...
December 16, 2016: Human Antibodies
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