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minor blood group antibodies

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https://www.readbyqxmd.com/read/29615881/age-dependent-hypothalamic-and-pituitary-responses-to-novel-environment-stress-or-lipopolysaccharide-in-rats
#1
Sandy Koenig, Janne Bredehöft, Alexander Perniss, Franziska Fuchs, Joachim Roth, Christoph Rummel
Previously, we have shown that the transcription factor nuclear factor interleukin (NF-IL)6 can be used as an activation marker for inflammatory lipopolysaccharide (LPS)-induced and psychological novel environment stress (NES) in the rat brain. Here, we aimed to investigate age dependent changes of hypothalamic and pituitary responses to NES (cage switch) or LPS (100 μg/kg) in 2 and 24 months old rats. Animals were sacrificed at specific time points, blood and brains withdrawn and analyzed using immunohistochemistry, RT-PCR and bioassays...
2018: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/29608324/the-devil-is-in-the-details-retention-of-recipient-group-a-type-5-years-after-a-successful-allogeneic-bone-marrow-transplant-from-a-group-o-donor
#2
Laura L W Cooling, Michelle Herrst, Sherri L Hugan
ABO-incompatible (ABOi) hematopoietic stem cell transplants (HSCTs) can present challenges in the blood bank. During transplantation, patients receive components that are ABO-compatible with both the donor graft and recipient; this practice can strain group O red blood cell (RBC) inventories.1 In addition, there are risks for acute hemolysis at the time of infusion and in the early post-transplant period.1,2 In ABO major-incompatible bone marrow HSCTs, which contain significant quantities of donor RBCs that are ABOi with recipient plasma, it is common to perform a RBC depletion of the bone marrow in an effort to minimize hemolysis at the time of infusion...
January 2018: Immunohematology
https://www.readbyqxmd.com/read/29540278/the-gerbich-blood-group-system-old-knowledge-new-importance
#3
REVIEW
Ewa Jaskiewicz, Thierry Peyrard, Radoslaw Kaczmarek, Agata Zerka, Marlena Jodlowska, Marcin Czerwinski
Antigens of the Gerbich blood group system are expressed on glycophorin C (GPC) and glycophorin D (GPD), minor sialoglycoproteins of human erythrocytes. GPC and GPD help maintain erythrocyte shape of and contributes to the stability of its membrane. There are six high-prevalence Gerbich antigens: Ge2, Ge3, Ge4, GEPL (GE10), GEAT (GE11), GETI (GE12) and five low-prevalence Gerbich antigens: Wb (GE5), Lsa (GE6), Ana (GE7), Dha (GE8), GEIS (GE9). Some Gerbich antigens (Ge4, Wb, Dha , GEAT) are expressed only on GPC, two (Ge2, Ana ) are expressed only on GPD, while others (Ge3, Lsa , GEIS, GEPL, GETI) are expressed on both GPC and GPD...
March 2, 2018: Transfusion Medicine Reviews
https://www.readbyqxmd.com/read/29510918/seroprevalence-of-anti-polio-antibodies-in-children-from-polio-high-risk-area-of-afghanistan-a-cross-sectional-survey-2017
#4
Imtiaz Hussain, Ondrej Mach, Nasir A Hamid, Zaid S Bhatti, Deborah D Moore, M Steven Oberste, Shahid Khan, Hasan Khan, William C Weldon, Roland W Sutter, Zulfiqar A Bhutta, Sajid B Soofi
BACKGROUND: Afghanistan is one of the remaining wild-poliovirus (WPV) endemic countries. We conducted a seroprevalence survey of anti-poliovirus antibodies in Kandahar Province. METHODS: Children in two age groups (6-11 months and 36-48 months) visiting Mirwais hospital in Kandahar for minor ailments unrelated to polio were enrolled. After obtaining informed consent, we collected venous blood and conducted neutralization assay to detect poliovirus neutralizing antibodies...
March 3, 2018: Vaccine
https://www.readbyqxmd.com/read/29504337/red-cell-alloimmunization-in-multitransfused-thalassaemia-major-patients
#5
Shazia Moeen, Nazish Farooq, Romana Irshad, Muhammad Ashfaq, Umer Farooq, Muhammad Idris
BACKGROUND: Lifelong transfusions are life savers for thalassaemia patients but are associated with many complications. Alloimmunization is a major problem for blood banks. Antigens of foreign red blood cells induce the formation of antibodies in patients suffering from thalassaemia. The purpose of this study was to examine the frequency of red cell alloantibodies and to express the type of these antibodies in thalassaemia patients. METHODS: Patients that have received multiple transfusions were included in this study...
January 2018: Journal of Ayub Medical College, Abbottabad: JAMC
https://www.readbyqxmd.com/read/29473178/pas-c-platelets-contain-less-plasma-protein-lower-anti-a-and-anti-b-titers-and-decreased-hla-antibody-specificities-compared-to-plasma-platelets
#6
Stuart P Weisberg, Beth H Shaz, Gizem Tumer, Chris C Silliman, Marguerite R Kelher, Claudia S Cohn
BACKGROUND: Platelets (PLTs) collected and stored in PLT additive solution Intersol (PAS-C) are presumed to reduce recipient exposure to donor plasma components; however, the effects of PAS-C on PLT supernatant composition are poorly defined. Therefore, we compared the total protein concentration, isohemagglutinin titers, and HLA antibodies in supernatants of PAS-C PLTs to plasma PLTs. STUDY DESIGN AND METHODS: Apheresis PLTs from group O blood donors were collected into either 100% donor plasma (n = 50) or a mixture of 65% PAS-C/35% donor plasma (n = 50)...
February 22, 2018: Transfusion
https://www.readbyqxmd.com/read/29387320/relationship-between-%C3%AE-thalassemia-minor-and-helicobacter-pylori-infection
#7
Mohammad Zamani, Amin Vahedi, Ahmad Tamaddoni, Ali Bijani, Mojgan Bagherzade, Javad Shokri-Shirvani
Background: Until now, no study has been reported investigating the association between β-thalassemia minor and Helicobacter pylori (H. pylori) infection. This study was designed to compare H. pylori infection rate between β-thalassemia minor patients and healthy controls. Methods: A number of 100 β-thalassemia minor patients (50 males, 50 females) and 100 gender-matched healthy controls were prospectively recruited in this study in a period of 3 months. The study population consisted of the people who referred to a health center in Babol, North of Iran, for premarital counseling...
2018: Caspian Journal of Internal Medicine
https://www.readbyqxmd.com/read/29295661/neonatal-hyperbilirubinemia-secondary-to-combined-anti-e-and-anti-c-isoimmunisation-a-literature-review
#8
Deepak Sharma, Nazanin Farahbakhsh
A term male infant was admitted at 48 h of postnatal life to the neonatal unit for jaundice. The investigation showed total serum bilirubin (TSB) of 17.1 mg/dl, haemoglobin of 11 g/dl, reticulocyte count of 9.5% and peripheral smear was suggestive of macrocytic, normochromic red blood cell (RBC) with target cells and multiple spherocytes with occasional nucleated RBC. The infant's blood group was B positive. Direct antiglobulin test was strongly positive by gel method (3+). Mother's blood group was B positive and indirect antiglobulin test was positive when tested postnatally...
January 8, 2018: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/29274773/nerve-growth-factor-plays-a-role-in-the-neurotherapeutic-effect-of-a-cd45-pan-hematopoietic-subpopulation-derived-from-human-umbilical-cord-blood-in-a-traumatic-brain-injury-model
#9
Galit Gincberg, Esther Shohami, Victoria Trembovler, Alexander G Alexandrovich, Philip Lazarovici, Uriel Elchalal
BACKGROUND AIMS: Human umbilical cord blood (HUCB) is an important source of stem cells for therapy of hematopoietic disorders and is a potential therapy for various neurological disorders, including traumatic brain injury (TBI). The expression of nerve growth factor (NGF) and its receptors TrkA, p75NTR and α9β1 integrin on an HUCB CD45+ pan-hematopoietic subpopulation was investigated in the context of its neurotherapeutic potential after TBI. METHODS: NGF and its receptors were detected on CD45+ cells by reverse transcriptase polymerase chain reaction, flow cytometry analysis and confocal microscopy...
February 2018: Cytotherapy
https://www.readbyqxmd.com/read/29153948/rh-blood-phenotyping-d-e-e-c-c-microarrays-using-multichannel-surface-plasmon-resonance-imaging
#10
Chinnawut Pipatpanukul, Sasaki Takeya, Akira Baba, Ratthasart Amarit, Armote Somboonkaew, Boonsong Sutapun, Pimpun Kitpoka, Mongkol Kunakorn, Toemsak Srikhirin
The application of Surface Plasmon Resonance Imaging (SPRi) for the detection of transmembrane antigen of the Rhesus (Rh) blood group system is demonstrated. Clinically significant Rh blood group system antigens, including D, C, E, c, and e, can be simultaneously identified via solid phase immobilization assay, which offers significant time savings and assay simplification. Red blood cells (RBCs) flowed through the micro-channel, where a suitable condition for Rh blood group detection was an RBC dilution of 1:10 with a stop-flow condition...
April 15, 2018: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/28991900/intra-individual-variability-and-circadian-rhythm-of-vascular-endothelial-growth-factors-in-subjects-with-normal-glucose-tolerance-and-type-2-diabetes
#11
Markolf Hanefeld, Katrin Engelmann, Dieter Appelt, Dirk Sandner, Ingo Weigmann, Xenia Ganz, Frank Pistrosch, Carsta Köhler, Antje Gasparic, Andreas L Birkenfeld
Increased levels of systemic vascular endothelial growth factors (VEGFs) in patients with diabetes are associated with increased risk of microvessel disease. On the other hand, low VEGF levels after intravitreal antibody application may be associated with acute cardiovascular complications and treatment failure. Individual levels of systemic VEGF vary in a wide range depending on analytical methods and quality of diabetes control. So far only limited information exists on intraindividual fluctuations over longer periods and circadian rhythms...
2017: PloS One
https://www.readbyqxmd.com/read/28942078/tau-protein-mapt-as-a-possible-biochemical-marker-of-traumatic-brain-injury-in-postmortem-examination
#12
Mieszko Olczak, Justyna Niderla-Bielińska, Magdalena Kwiatkowska, Dorota Samojłowicz, Sylwia Tarka, Teresa Wierzba-Bobrowicz
MAPT is a neuronal protein that plays an important role in axonal stabilization, neuronal development, and neuronal polarity. MAPT release into the CSF and blood has been interpreted as indicative of axonal injury as its elevated levels were observed in olympic boxers even after a mild head trauma suggesting minor CNS injuries. In our study we wanted to check the potential relevance of MAPT examination for forensic purposes. The study was carried out using cases of head injury group and cases of sudden death (cardiopulmonary failure, no injuries of the head - control group) provided by forensic pathologists at the Department of Forensic Medicine, Medical University of Warsaw...
November 2017: Forensic Science International
https://www.readbyqxmd.com/read/28834647/clinical-and-pathological-features-of-anca-associated-vasculitis-in-patients-with-minor-urinary-abnormalities
#13
Jumpei Hasegawa, Junichi Hoshino, Akinari Sekine, Noriko Hayami, Tatsuya Suwabe, Keiichi Sumida, Koki Mise, Toshiharu Ueno, Masayuki Yamanouchi, Ryo Hazue, Naoki Sawa, Kenichi Ohashi, Takeshi Fujii, Kenmei Takaichi, Yoshifumi Ubara
BACKGROUND: Kidney biopsy is a gold standard for diagnosis of anti-neutrophil cytoplasmic antibody (ANCA)-associated vasculitis (AAV), but it is unknown whether vasculitis can be detected from AAV patients with minor urinary abnormalities. METHODS: Ninety ANCA-positive patients undergoing kidney biopsy were evaluated retrospectively after being divided into two groups, which were group A (minor urinary abnormalities with both proteinuria <0.5 g/day and red blood cells ≤5 /high power field) and group B (major urinary abnormalities except group A)...
August 23, 2017: Nephrology
https://www.readbyqxmd.com/read/28708892/cross-recognition-of-a-pit-viper-crotalinae-polyspecific-antivenom-explored-through-high-density-peptide-microarray-epitope-mapping
#14
Mikael Engmark, Bruno Lomonte, José María Gutiérrez, Andreas H Laustsen, Federico De Masi, Mikael R Andersen, Ole Lund
Snakebite antivenom is a 120 years old invention based on polyclonal mixtures of antibodies purified from the blood of hyper-immunized animals. Knowledge on antibody recognition sites (epitopes) on snake venom proteins is limited, but may be used to provide molecular level explanations for antivenom cross-reactivity. In turn, this may help guide antivenom development by elucidating immunological biases in existing antivenoms. In this study, we have identified and characterized linear elements of B-cell epitopes from 870 pit viper venom protein sequences by employing a high-throughput methodology based on custom designed high-density peptide microarrays...
July 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28556615/characteristics-of-germinal-center-like-structures-in-patients-with-sj%C3%A3-gren-s-syndrome
#15
Jing He, Yuebo Jin, Xia Zhang, Yunshan Zhou, Ru Li, Yijun Dai, Xiaolin Sun, Jingzhong Zhao, Jianping Guo, Zhanguo Li
AIM: To analyze the relationship between ectopic germinal centers (GCs) in the salivary glands and the clinical/laboratory characteristics of patients with Sjögren's syndrome (SS). METHODS: Retrospectively, 126 patients with primary SS (pSS) and 16 patients with secondary SS (sSS) were analyzed. Minor salivary gland biopsies were evaluated for the presence of GC-like morphology by hematoxylin and eosin (H&E) and immunohistochemical (IHC) staining for CD21. Clinical and serological data were obtained from medical records...
February 2017: International Journal of Rheumatic Diseases
https://www.readbyqxmd.com/read/28474625/immunogenicity-safety-of-a-single-dose-of-live-attenuated-japanese-encephalitis-vaccine-sa-14-14-2-in-adults
#16
Siraj Ahmed Khan, Sanjeeb Kakati, Prafulla Dutta, Purvita Chowdhury, Jani Borah, Rashmee Topno, Santoshkumar M Jadhav, Pradyumna K Mohapatra, Jagadish Mahanta, Mohan D Gupte
BACKGROUND & OBJECTIVES: Japanese encephalitis (JE) caused by mosquito-borne Flavivirus is one of the leading causes of viral encephalitis in Asia. Control strategies include vector control and human vaccination. Due to lack of immunization programmes in endemic regions, there are still high mortality and morbidity. A live-attenuated SA 14-14-2 JE vaccine (LAJEV) has been licensed and used in Asian countries, including India. We report the assessment of immunogenicity and safety of the vaccine in adults during the first mass adult vaccination campaign carried out in Assam, India...
December 2016: Indian Journal of Medical Research
https://www.readbyqxmd.com/read/28333830/minimal-variation-in-anti-a-and-b-titers-among-healthy-volunteers-over-time-implications-for-the-use-of-out-of-group-blood-components
#17
Ulrik Sprogøe, Mark H Yazer, Mads Hvidkjær Rasmussen, Berit Antonsen, Claus Bistrup, Kristian Assing
BACKGROUND: Using potentially out-of-group blood components, like low titer A plasma and O whole blood, in the resuscitation of trauma patients is becoming increasingly popular. However, very little is known whether the donors' anti-A and/or anti-B titers change over time and whether repeated titer measurements on the same donor are required to ensure that each donation produces a low titer product. METHODS: The anti-A and/or anti-B titers were measured on 56 healthy adult volunteers (47 blood donors; nine blood center personnel) every 3 months for 12 consecutive months using an automated solid phase analyzer...
June 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28285160/ethanol-dispersed-and-antibody-conjugated-polymer-nanofibers-for-the-selective-capture-and-3-dimensional-culture-of-epcam-positive-cells
#18
Junghyo Yoon, Hee-Sook Yoon, Yoojin Shin, Sanghyun Kim, Youngjun Ju, Jungbae Kim, Seok Chung
Electrospun and ethanol-dispersed polystyrene-poly(styrene-co-maleic anhydride) (PS-PSMA) nanofibers (NFs) were used as a platform for the selective capture and three-dimensional culture of EpCAM-positive cells in cell culture medium and whole blood. The NFs were treated with streptavidin to facilitate bond formation between the amino groups of streptavidin and the maleic anhydride groups of the NFs. A biotinylated anti-EpCAM monoclonal antibody (mAb) was attached to the streptavidin-conjugated NFs via the selective binding of streptavidin and biotin...
July 2017: Nanomedicine: Nanotechnology, Biology, and Medicine
https://www.readbyqxmd.com/read/27824739/effect-of-the-lymphocyte-to-monocyte-ratio-on-the-clinical-outcome-of-chemotherapy-administration-in-advanced-melanoma-patients
#19
Alexey A Leontovich, Roxana S Dronca, Wendy K Nevala, Michael A Thompson, Lisa A Kottschade, Leonid V Ivanov, Svetomir N Markovic
Skin cancer affects more individuals in the USA than any other malignancy and malignant melanoma is particularly deadly because of its metastatic potential. Melanoma has been recognized as one of the most immunogenic malignancies; therefore, understanding the mechanisms of tumor-immune interaction is key for developing more efficient treatments. As the tumor microenvironment shows an immunosuppressive action, immunotherapeutic agents promoting endogenous immune response to cancer have been tested (interleukin-2, anticytotoxic-T-lymphocyte-associated antigen 4, and antiprogrammed cell death protein 1 monoclonal antibodies) as well as combinations of cytotoxic chemotherapy agents and inhibitors of angiogenesis (taxol/carboplatin/avastin)...
February 2017: Melanoma Research
https://www.readbyqxmd.com/read/27812263/clinical-significance-of-rare-maternal-anti-jk-a-antibody
#20
Kshitija Mittal, Tanvi Sood, Naveen Bansal, Ravneet Kaur Bedi, Paramjit Kaur, Gagandeep Kaur
We hereby report a rare case of HDFN because of antibody to Kidd (Jk) blood group system-anti Jka . An EDTA sample of a baby along with mother's sample was received in the Department for Direct Antiglobulin Test (DAT) alongwith blood requisition for double volume exchange transfusion. On blood grouping, baby's and mother's blood group was found to be B Rh D positive. DAT with polyspecific anti human globulin (AHG) was positive. Screening of mother's serum for irregular antibodies showed anti-Jka antibody. AHG phase titers using tube technique were 1:64...
December 2016: Indian Journal of Hematology & Blood Transfusion
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