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blood group system antibodies

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https://www.readbyqxmd.com/read/28345691/surface-plasmon-resonance-imaging-for-abh-antigen-detection-on-red-blood-cells-and-in-saliva-secretor-status-related-abo-subgroup-identification
#1
Patjaree Peungthum, Krisda Sudprasert, Ratthasart Amarit, Armote Somboonkaew, Boonsong Sutapun, Apirom Vongsakulyanon, Wuttigrai Seedacoon, Pimpun Kitpoka, Mongkol Kunakorn, Toemsak Srikhirin
Low antigenic expression of ABO subgroup system on red blood cell (RBC) is cause of discrepancy between forward and reverse blood typing in the standard agglutination technique. Neutralization agglutination is employed for verification of the detection of ABH substances in saliva. However, the neutralization technique is complicated, time-consuming and requires expertise. To overcome these drawbacks, surface plasmon resonance (SPR) imaging was developed for ABH antigen detection on RBCs and in saliva. An antibody array was designed to classify the ABO subgroups by anti-A, anti-B, and anti-H antibodies; the array was immobilized on a carboxymethyl-dextran sensor-surface...
March 27, 2017: Analyst
https://www.readbyqxmd.com/read/28341876/consumption-of-green-tea-epigallocatechin-3-gallate-enhances-systemic-immune-response-antioxidative-capacity-and-hpa-axis-functions-in-aged-male-swiss-albino-mice
#2
Rohit Sharma, Anamika Sharma, Amita Kumari, Pankaj Markand Kulurkar, Rajneesh Raj, Ashu Gulati, Yogendra S Padwad
The present investigation assessed the potential of green tea phytochemical epigallocatechin-3-gallate (EGCG) in alleviating age-associated aberrations in immunity, hypothalamus-pituitary-adrenal (HPA) axis and redox homeostasis using 16 months old male Swiss albino mice. Four groups of animals (n = 6 per group) were supplemented with either aqueous EGCG at 25, 50 and 100 mg/kg/animal or vehicle control for 6 weeks. A concurrent analysis of CD4(+) and CD8(+) lymphocytes in splenocytes, differential leucocyte population, T cell differentiation markers in peripheral blood mononuclear cells (PBMCs), neutrophil functions, immunoglobulins profile in intestine, circulatory HPA axis hormonal levels as well as inflammatory and oxidative stress in the liver was performed...
March 24, 2017: Biogerontology
https://www.readbyqxmd.com/read/28338387/comparison-of-the-effects-of-curcumin-and-rg108-on-ngf-induced-pc-12%C3%A2-adh-cell-differentiation-and-neurite-outgrowth
#3
Miriş Dikmen
DNA methyltransferases (DNMTs) are promising epigenetic targets for the development of novel drugs, especially for neurodegenerative disorders. In recent years, there has been increased interest in small molecules that can cross the blood-brain barrier for the treatment of neurodegenerative diseases. Therefore, comparing the neuronal differentiative effects of a natural compound curcumin and a synthetic small molecule RG108 was the aim of this study. The effects of curcumin and RG108 on neuronal differentiation and neurite outgrowth were investigated in the PC-12 Adh cell line...
March 24, 2017: Journal of Medicinal Food
https://www.readbyqxmd.com/read/28316444/anti-g-with-concomitant-anti-c-and-anti-d-a-case-report-in-a-pregnant-woman
#4
Rabeya Yousuf, Ahmad Nasirudin Mustafa, Siew-Ling Ho, Yee-Loong Tang, Chooi-Fun Leong
The G antigen of Rh blood group system is present in almost all D-positive or C-positive red cells but absent from red cells lacking D and C antigens. The differentiation of anti-D and anti-C from anti-G is not necessary for routine transfusion; however, during pregnancy, it is important because anti-G can masquerade as anti-D and anti-C with initial antibody testing. The false presence of anti-D will exclude the patient from receiving anti-D immunoglobulin (RhIG) when the patient actually is a candidate for RhIG prophylaxis...
January 2017: Asian Journal of Transfusion Science
https://www.readbyqxmd.com/read/28296514/can-unilateral-progressive-or-sudden-hearing-loss-be-immune-mediated-in-origin
#5
Francesca Atturo, Roberta Colangeli, Giorgio Bandiera, Maurizio Barbara, Simonetta Monini
OBJECTIVE: The aim of the present study was to demonstrate that the positivity of nonspecific immunological tests could be found not only in bilateral hearing loss but also in unilateral cases, either sudden or progressive. METHOD: An observational case series study included subjects suffering from unilateral or bilateral, sudden or progressive, symmetric or asymmetric sensorineural hearing loss (SNHL). All the patients underwent pure tone audiometry and the following battery of blood exams: anti-nuclear antibody (ANA), extractable nuclear antigen (ENA) antibody screening, anti-thyroperoxidase (anti-TPO), anti-thyroglobulin and anti-smooth muscle antibody (ASMA)...
March 15, 2017: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/28293401/alloimmunization-in-patients-with-sickle-cell-disease-and-thalassemia-experience-of-a-single-centre-in-oman
#6
Salam Alkindi, Saba AlMahrooqi, Sumaiya AlHinai, Ali AlMarhoobi, Saif Al-Hosni, Shahina Daar, Naglaa Fawaz, Anil Pathare
BACKGROUND: Blood transfusion is an integral part of the supportive care for patients with sickle cell disease (SCD) and thalassaemia. The hazard of red cell alloimmunization, however, is one of the main complications of this therapy. OBJECTIVES: The aim of this study was to evaluate the prevalence of red cell alloimmunization in Omani patients with sickle cell anaemia and thalassemia. METHODS: This study included 262 patients whose historical transfusion records were available...
2017: Mediterranean Journal of Hematology and Infectious Diseases
https://www.readbyqxmd.com/read/28284346/ampa-nmda-and-kainate-glutamate-receptor-subunits-are-expressed-in-human-peripheral-blood-mononuclear-cells-pbmcs-where-the-expression-of-gluk4-is-altered-by-pregnancy-and-glun2d-by-depression-in-pregnant-women
#7
Amol K Bhandage, Zhe Jin, Charlotte Hellgren, Sergiy V Korol, Krzysztof Nowak, Louise Williamsson, Inger Sundström-Poromaa, Bryndis Birnir
The amino acid glutamate opens cation permeable ion channels, the iGlu receptors. These ion channels are abundantly expressed in the mammalian brain where glutamate is the main excitatory neurotransmitter. The neurotransmitters and their receptors are being increasingly detected in the cells of immune system. Here we examined the expression of the 18 known subunits of the iGlu receptors families; α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid (AMPA), kainate, N-methyl-d-aspartate (NMDA) and delta in human peripheral blood mononuclear cells (PBMCs)...
April 15, 2017: Journal of Neuroimmunology
https://www.readbyqxmd.com/read/28284335/oxidative-modifications-of-blood-serum-proteins-in-myasthenia-gravis
#8
Monika Adamczyk-Sowa, Edyta Bieszczad-Bedrejczuk, Sabina Galiniak, Izabela Rozmiłowska, Damian Czyżewski, Grzegorz Bartosz, Izabela Sadowska-Bartosz
Myasthenia gravis (MG) is an autoimmune disease caused by production of antibodies against acetylcholine receptors of the neuromuscular junction (Ab). The aim of this study was to ascertain if oxidative stress accompanies MG by estimation of the several independent parameters of oxidative damage, mainly the levels of oxidative modifications of blood serum proteins. The group studied consisted of 50 MG patients (28 females and 22 males), 24 with ocular MG (OMG) and 26 with generalized MG (GMG), of mean age of 66...
April 15, 2017: Journal of Neuroimmunology
https://www.readbyqxmd.com/read/28273992/anca-associated-mononeuritis-multiplex-with-overlap-in-vasculitic-syndromes
#9
Ravi Anadure, Coimbatore Narayanan, Govindraj Varadraj, Bevinahalli Nandeesh
Mononeuritis multiplex is a common manifestation of many illnesses which includes Hansen's disease and certain types of systemic vasculitis. The Antineutrophil Cytoplasmic Antibody (ANCA)-Associated Vasculitis (AAV) is a group of rare diseases which show typical characteristic inflammatory cell infiltration and blood vessel wall necrosis. AAV syndromes include Granulomatosis with Polyangiitis (GPA), Microscopic Polyangiitis (MPA) and Eosinophilic Granulomatosis with Polyangiitis (EGPA). We describe a patient who presented with mononeuritis multiplex and had features of overlap between EGPA and MPA...
January 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28267201/a-case-of-anti-rd-causing-fetal-anemia
#10
Stefan Rauch, Jochen Ritgen, Matthias Wißkirchen, Ursula Bauerfeind, Elisabeth Kohne, Christof Weinstock
BACKGROUND: Rd (SC4) is a low-frequency antigen of the Scianna blood group system. Only very few reports on anti-Rd in pregnancy exist. Mild to moderate hemolytic disease of the newborn caused by anti-Rd has been reported. This report may add further information on the clinical significance of anti-Rd for the fetus. CASE REPORT: In a case of severe fetal anemia (hemoglobin concentration, 3.0 g/dL) repeated intrauterine transfusions were required. The strongly positive direct antiglobulin test (DAT) of the fetal red blood cells led to the diagnosis of hemolytic disease...
March 7, 2017: Transfusion
https://www.readbyqxmd.com/read/28261175/immuno-efficacy-of-a-t-gondii-secreted-protein-with-an-altered-thrombospondin-repeat-tgspatr-as-a-novel-dna-vaccine-candidate-against-acute-toxoplasmosis-in-balb-c-mice
#11
Bin Zheng, Jianzu Ding, Xiaoheng Chen, Haijie Yu, Di Lou, Qunbo Tong, Qingming Kong, Shaohong Lu
Toxoplasma gondii (T.gondii) is distributed worldwide and infects most species of warm-blooded animals, including humans. Toxoplasmosis has serious consequences, especially in people with an impaired or immature immune system. Thus, an effective vaccine is urgently required. Secretory microneme proteins are essential for the adhesion and invasion of T. gondii. The gene encoding the microneme protein, T. gondii secreted protein with an altered thrombospondin repeat (TgSPATR), we constructed a recombinant eukaryotic plasmid, pVAX1-TgSPATR, as a DNA vaccine, injected it intramuscularly into BALB/c mice and evaluated the induced immune response...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28260599/peritonsillar-abscess-clinical-aspects-of-microbiology-risk-factors-and-the-association-with-parapharyngeal-abscess
#12
REVIEW
Tejs Ehlers Klug
PTA is a collection of pus located between the tonsillar capsule and the pharyngeal constrictor muscle. It is considered a complication of acute tonsillitis and is the most prevalent deep neck infection (approximately 2000 cases annually in Denmark) and cause of acute admission to Danish ENT departments. Teenagers and young adults are most commonly affected and males may predominate over females. However, no studies of age- and gender-stratified incidence rates have previously been published. Furthermore, smoking may be associated with increased risk of peritonsillar abscess (PTA) development, although the magnitude of the association has not been estimated...
March 2017: Danish Medical Journal
https://www.readbyqxmd.com/read/28259789/evaluation-of-a-serological-test-for-the-diagnosis-of-borrelia-miyamotoi-disease-in-europe
#13
Setareh Jahfari, Denis S Sarksyan, Nadezda M Kolyasnikova, Joppe W Hovius, Hein Sprong, Alexander E Platonov
BACKGROUND: Borrelia miyamotoi causes systemic febrile illness and is transmitted by the same tick species that transmits Borrelia burgdorferi sensu lato and tick-borne encephalitis virus. We describe a serological test using a fragment of glycerophosphodiester phosphodiesterase (GlpQ) as an antigen, and determined its performance in well-defined patient categories. METHODS: Serum of patients with PCR-confirmed Borrelia miyamotoi disease (BMD), Lyme borreliosis (LB), tick-borne encephalitis (TBE), and healthy blood donors (HBD) were collected in Udmurt Republic, Russia...
March 1, 2017: Journal of Microbiological Methods
https://www.readbyqxmd.com/read/28251023/determination-of-seroprevalence-of-borrelia-burgdorferi-igg-in-adult-population-living-in-trabzon
#14
Merve Cora, Neşe Kaklıkkaya, Murat Topbaş, Gamze Çan, Asuman Yavuzyılmaz, İlknur Tosun, Faruk Aydın
BACKGROUND: Lyme borreliosis is a tick-borne, multi-systemic infectious disease that is thought to be wide spread in Turkey even though studies on its seroprevalence are limited. AIMS: To determine the seroprevalence of Lyme borreliosis in part of north-eastern Tur-key (in the city of Trabzon), and to identify possible relationships between seropositivity and various factors such as location, gender, age group, occupation, income, and educational level. STUDY DESIGN: Retrospective cross-sectional study...
January 2017: Balkan Medical Journal
https://www.readbyqxmd.com/read/28229991/a-novel-mutation-in-the-pyrin-domain-of-the-nod-like-receptor-family-pyrin-domain-containing-protein-3-in-muckle-wells-syndrome
#15
Jian Hu, Yun Zhu, Jian-Zhong Zhang, Rong-Guang Zhang, Hou-Min Li
BACKGROUND: Cryopyrin-associated periodic syndrome (CAPS) is a group of rare, heterogeneous autoinflammatory disease characterized by interleukin (IL)-1β-mediated systemic inflammation and clinical symptoms involving skin, joints, central nervous system, and eyes. It encompasses a spectrum of three clinically overlapping autoinflammatory syndromes including familial cold autoinflammatory syndrome, Muckle-Wells syndrome (MWS), and neonatal-onset multisystem inflammatory disease. CAPS is associated with gain-of-function missense mutations in NOD-like receptor family pyrin domain-containing protein 3 (NLRP3), the gene encoding NLRP3...
March 5, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28225955/the-role-of-intradermal-proliferation-of-t-cells-in-the-pathogenesis-of-psoriasis
#16
Vladislav R Khairutdinov, Anastasiya F Mikhailichenko, Irena E Belousova, Ekatherina Sh Kuligina, Alexey V Samtsov, Evgeny N Imyanitov
BACKGROUND: Psoriasis is a common immune-mediated chronic inflammatory disease of the skin and joints, affecting 1-3% of the population. It is generally accepted that the pathogenesis of psoriasis involves accumulation of effector T-cells within lymph nodes and their subsequent migration into the skin through the blood system. Here we provide evidence that psoriatic plaque itself may serve as a source of inflammatory T-cells. OBJECTIVE: We examined the intradermal proliferation of T-cells and the number of effector/memory (CD45RO+) T-cells in the skin of psoriatic patients at different periods of the disease...
January 2017: Anais Brasileiros de Dermatologia
https://www.readbyqxmd.com/read/28222841/phenotypic-and-functional-characterization-of-peripheral-blood-lymphocytes-from-various-age-and-sex-specific-groups-of-owl-monkeys-aotus-nancymaae
#17
Pramod N Nehete, Bharti P Nehete, Sriram Chitta, Lawrence E Williams, Christian R Abee
Owl monkeys (Aotus nancymaae) are New World NHP that serve an important role in vaccine development and as a model for human disease conditions such as malaria. Despite the past contributions of this animal model, limited information is available about the phenotype and functional properties of peripheral blood lymphocytes in reference to sex and age. Using a panel of human antibodies and a set of standardized human immune assays, we identified and characterized various peripheral blood lymphocyte subsets, evaluated the immune functions of T cells, and analyzed cytokines relative to sex and age in healthy owl monkeys...
February 1, 2017: Comparative Medicine
https://www.readbyqxmd.com/read/28219195/-expression-and-clinical-significance-of-semaphorin-3a-in-serum-and-mononuclear-cells-in-patients-with-systemic-lupus-erythematosus
#18
H Gao, X X Ma, Q Guo, Y D Zou, Y C Zhong, L F Xie, M Shao, X W Zhang
Objective: To determine the expression of Sema3A in serum and peripheral blood mononuclear cells (PBMC) of patients with systemic lupus erythematosus (SLE), to analysis the correlation of Sema3A expression and SLE clinical manifestations and laboratory indexes, and to evaluate the diagnostic value of Sema3A in patients with SLE. Methods: The concentration of serum Sema3A was detected by enzyme-linked immuno sorbent assay (ELISA) in patients with SLE, healthy controls (HC) and diseases controls. In addition, the mRNA expression level of Sema3A was examined in PBMC by real-time polymerase chain reaction...
February 7, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28216896/therapeutic-effect-of-dendrobium-candidum-on-lupus-nephritis-in-mice
#19
Qiang Wang, Peng Sun, Rui Wang, Xin Zhao
CONTEXT: Dendrobium candidum (D. candimum) widely is a functional drug. The curative effect of D. candidum on lupus nephritis has been studied in vivo. MATERIALS AND METHOD: The DBA/2 and B6D2F1 mice were used for this in vivo experiment. The 50% effective dose (ED50) was used to check the effective concentration for this study. Then the SCr, BUN, TC, TG, IL-6, IL-12, TNF-α, and IFN-γ levels were determined by kits. The output of urine protein was determined by means of Coomassie Brilliant Blue, and the auto-antibody dsDNA was determined with titer plate technology and indirect immunofluorescence...
January 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/28188612/hepatitis-b-immunoglobulin-during-pregnancy-for-prevention-of-mother-to-child-transmission-of-hepatitis-b-virus
#20
REVIEW
Ahizechukwu C Eke, George U Eleje, Uzoamaka A Eke, Yun Xia, Jiao Liu
BACKGROUND: Hepatitis is a viral infection of the liver. It is mainly transmitted between people through contact with infected blood, frequently from mother to baby in-utero. Hepatitis B poses significant risk to the fetus and up to 85% of infants infected by their mothers at birth develop chronic hepatitis B virus (HBV) infection. Hepatitis B immunoglobulin (HBIG) is a purified solution of human immunoglobulin that could be administered to the mother, newborn, or both. HBIG offers protection against HBV infection when administered to pregnant women who test positive for hepatitis B envelope antigen (HBeAg) or hepatitis B surface antigen (HBsAg), or both...
February 11, 2017: Cochrane Database of Systematic Reviews
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