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blood group system antibodies

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https://www.readbyqxmd.com/read/29153948/rh-blood-phenotyping-d-e-e-c-c-microarrays-using-multichannel-surface-plasmon-resonance-imaging
#1
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...
November 2, 2017: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/29143683/the-progression-of-heartworm-associated-respiratory-disease-hard-in-spf-cats-18%C3%A2-months-after-dirofilaria-immitis-infection
#2
A Ray Dillon, Bryon L Blagburn, Michael Tillson, William Brawner, Betsy Welles, Calvin Johnson, Russell Cattley, Pat Rynders, Sharron Barney
BACKGROUND: Heartworm-associated respiratory disease (HARD) in cats is induced by the arrival and death of immature adult Dirofilaria immitis in the pulmonary system and is indistinguishable from mature adult heartworm infection. METHODS: A controlled, blind research study investigated the long-term (18 months post infection, PI) consequences of the inflammatory response associated with the death of immature adult heartworms in cats. Three groups of cats, 10 per group, were infected with 100 third-stage (L3) larvae by subcutaneous injection...
November 9, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/29140444/safety-and-immunogenicity-of-different-formulations-of-norovirus-vaccine-candidate-in-healthy-adults-a-randomized-controlled-double-blind-clinical-trial
#3
G Leroux-Roels, J P Cramer, P M Mendelman, J Sherwood, R Clemens, A Aerssens, I De Coster, A Borkowski, F Baehner, P Van Damme
Background: We investigated safety and immunogenicity of 1-2 doses of different bivalent virus-like particle (VLP) norovirus vaccine candidate (NoV) formulations in healthy 18-64-year-olds. Methods: On Days 1 and 28 participants (n=420) randomized to 14 equal groups received intramuscular control vaccine (hepatitis A) or one of 11 NoV formulations contained varying dosages of GI.1 and GII.4c genotype VLP antigens with Al(OH)3, and 0μg, 15μg or 50μg MPL. Immunogenicity was assessed on Days 1, 28, 56, 208 and 393...
November 13, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29139559/associations-among-tooth-loss-systemic-inflammation-and-antibody-titers-to-periodontal-pathogens-in-japanese-patients-with-cardiovascular-disease
#4
N Aoyama, J-I Suzuki, N Kobayashi, T Hanatani, N Ashigaki, A Yoshida, Y Shiheido, H Sato, M Minabe, Y Izumi, M Isobe
BACKGROUND AND OBJECTIVE: It is well known that there is a strong relationship between periodontitis and cardiovascular disease (CVD). Tooth loss reflects an end-stage condition of oral diseases, such as periodontitis. Infection with specific periodontal pathogens is known as a possible factor that influences development of CVD. The aim of this study was to assess the relationship between the number of residual teeth and systemic inflammatory conditions in patients with CVD. MATERIAL AND METHODS: We divided 364 patients with CVD into four groups, according to the number of residual teeth: (i) ≥20 teeth; (ii) 10-19 teeth; (iii) 1-9 teeth; and (iv) edentulous...
November 15, 2017: Journal of Periodontal Research
https://www.readbyqxmd.com/read/29132988/safety-and-immunogenicity-of-a-novel-multiple-antigen-pneumococcal-vaccine-in-adults-a-phase-1-randomised-clinical-trial
#5
Claire Entwisle, Sue Hill, Yin Pang, Michael Joachim, Ann McIlgorm, Camilo Colaco, David Goldblatt, Polly De Gorguette D'Argoeuves, Chris Bailey
BACKGROUND: Pneumococcal vaccines, combining multiple protein antigens, provide an alternative approach to currently marketed vaccines and may provide broader protection against pneumococcal disease. This trial evaluated the safety and immunogenicity of a novel vaccine candidate PnuBioVax in healthy young adults. METHODS: In a Phase 1 double-blind study, 36 subjects (18-40 years) were randomised to receive 3 doses of PnuBioVax, 28 days apart, at one of three dose levels (50, 200, 500 µg) or placebo...
November 10, 2017: Vaccine
https://www.readbyqxmd.com/read/29120579/expression-of-cd64-on-surface-of-circulating-monocytes-in-systemic-lupus-erythematosus-patients-relation-to-disease-activity-and-lupus-nephritis
#6
Yasser A Abd-Elhamid, Refaat M Eltanawy, Rasha M Fawzy, Nehad A Fouad, Ann M Atlm
CD64 is a type of integral membrane glycoprotein known as FC receptor that binds monomeric IgG-type antibodies with high affinity. It is more commonly known as FC gamma receptor 1 (FC?R1) and it is expressed on monocytes surface. The goal of this study was to investigate the association of CD64 expression on the surface of peripheral blood monocytes of systemic lupus erythematosus patients with disease activity, and lupus nephritis. 30 SLE patients were enrolled into this study. They were subdivided into: 15 SLE patients with lupus nephritis and 15 SLE patients without lupus nephritis...
January 2017: Egyptian Journal of Immunology
https://www.readbyqxmd.com/read/29114967/effect-of-intravenous-immunoglobulin-administration-on-erythrocyte-and-leukocyte-parameters
#7
A Cicha, M B Fischer, A Wesinger, S Haas, W M Bauer, H M Wolf, K M T Sauerwein, B Reininger, P Petzelbauer, H Pehamberger, A Handisurya
BACKGROUND: Intravenous immunoglobulins (IVIG) are an attractive therapeutic tool for therapy of toxic epidermal necrolysis and severe forms of certain autoimmune diseases, including dermatomyositis, autoimmune blistering diseases, systemic vasculitis, and lupus erythematodes. OBJECTIVE: Prompted by a case of IVIG-associated haemolytic anaemia, the effects of IVIG administrations on haematological parameters in patients with dermatological conditions were investigated...
November 8, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/29100935/immunomodulatory-effects-of-a-bioactive-fraction-of-strobilanthes-crispus-in-nmu-induced-rat-mammary-tumor-model
#8
Hassan Muhammad Yankuzo, Yusha'u Shu'aibu Baraya, Zulkarnain Mustapha, Kah Keng Wong, Nik Soriani Yaacob
ETHNOPHARMACOLOGICAL RELEVANCE: Strobilanthes crispus Blume is traditionally consumed among local Malay and indigenous communities for the treatment of cancer and other ailments such as gastrointestinal disorders, inflammatory wounds of snake bite and immune system activation amongst others. We previously demonstrated that a bioactive fraction of S. crispus leaves (F3) was cytotoxic to breast cancer cells in vitro and inhibited tumor growth in N-methyl-N-nitrosourea (NMU)-induced breast cancer rat model...
November 1, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29100400/circulating-epithelial-cell-counts-for-monitoring-the-therapeutic-outcome-of-patients-with-papillary-thyroid-carcinoma
#9
Ching-Ping Tseng, Kong-Kit Leong, Miaw-Jene Liou, Hsueh-Ling Hsu, Hung-Chih Lin, Yi-An Chen, Jen-Der Lin
Loco-regional recurrence or distant metastasis usually leads to the death of patients with papillary thyroid carcinoma (PTC). Whether or not circulating epithelial cells (CECs) count is a valuable marker in monitoring the therapeutic outcome of PTC was investigated. Patients with PTC (n=129) were treated in our medical center and were categorized into 4 groups with excellent (n=45), biochemical incomplete (n=15), indeterminate (n=37), and structural incomplete (n=32) responses. CECs were enriched from the peripheral blood by the PowerMag negative selection system...
September 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/29097362/elevated-plasma-factor-ixa-activity-in-premenopausal-women-on-hormonal-contraception
#10
Pansakorn Tanratana, Paul Ellery, Pamela Westmark, Alan E Mast, John P Sheehan
OBJECTIVE: Combined oral contraceptives induce a reversible hypercoagulable state with an enhanced risk of venous thromboembolism, but the underlying mechanism(s) remain unclear. Subjects on combined oral contraceptives also demonstrate a characteristic resistance to APC (activated protein C) in the thrombin generation assay. Here, we report the potential role of plasma factor IXa (FIXa) as a mechanism for hormone-induced systemic hypercoagulability. APPROACH AND RESULTS: A novel assay was used to determine FIXa activity in plasma samples from volunteer blood donors...
November 2, 2017: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/29089163/peripheral-blood-detection-of-systemic-graft-specific-xeno-antibodies-following-transplantation-of-human-neural-progenitor-cells-into-the-porcine-spinal-cord
#11
Jason J Lamanna, Juanmarco Gutierrez, Jaclyn R Espinosa, Jacob Wagner, Lindsey N Urquia, Cheryl Moreton, C Victor Hurtig, Muhibullah Tora, Allan D Kirk, Thais Federici, Nicholas M Boulis
Extensive pre-clinical and clinical studies have searched for therapeutic efficacy of cell-based therapeutics in diseases of the Central Nervous System (CNS) with no other viable options. Allogeneic cells represent the primary source of these therapies and immunosuppressive regimens have been empirically employed based on experience with solid organ transplantation, attempting to avoid immune mediated graft rejection. In this study, we aimed to 1) characterize the host immune response to stem cells transplanted into the CNS and 2) develop a non-invasive method for detecting immune response to transplanted cell grafts...
October 28, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/29079457/autologous-allogeneic-hematopoietic-cell-transplantation-hct-versus-tandem-autologous-transplantation-for-multiple-myeloma-comparison-of-long-term-post-relapse-survival
#12
Myo Htut, Anita D'Souza, Amrita Krishnan, Benedetto Bruno, Mei-Jie Zhang, Mingwei Fei, Miguel Angel Diaz, Edward Copelan, Siddhartha Ganguly, Mehdi Hamadani, Mohamed Kharfan-Dabaja, Hillard Lazarus, Cindy Lee, Kenneth Meehan, Taiga Nishihori, Ayman Saad, Sachiko Seo, Muthalagu Ramanathan, Saad Z Usmani, Christina Gasparetto, Tomer M Mark, Yago Nieto, Parameswaran Hari
We compared post-relapse overall survival (OS) after autologous-allogenenic (auto/allo) versus tandem autologous (auto/auto) hematopoietic cell transplantation (HCT) in multiple myeloma (MM). Post-relapse survival of patients receiving an auto/auto or auto/allo HCT for MM and prospectively reported to the Center for International Blood and Marrow Transplant Research (CIBMTR) between 2000 and 2010 were analyzed. 404 patients (72.4%) relapsed in the auto/auto group and 178 patients (67.4%) relapsed in the auto/allo group after a median follow up of 8...
October 24, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/29070075/marburg-virus-like-particles-by-co-expression-of-glycoprotein-and-matrix-protein-in-insect-cells-induces-immune-responses-in-mice
#13
Weiwei Gai, Xuexing Zheng, Chong Wang, Hualei Wang, Yongkun Zhao, Qi Wang, Gary Wong, Weijiao Zhang, Na Feng, Boning Qiu, Hang Chi, Nan Li, Tiecheng Wang, Yuwei Gao, Junjie Shan, Songtao Yang, Xianzhu Xia
BACKGROUND: Marburg virus (MARV) causes severe haemorrhagic fever in humans and nonhuman primates and has a high mortality rate. However, effective drugs or licensed vaccines are not currently available to control the outbreak and spread of this disease. METHODS: In this study, we generated MARV virus-like particles (VLPs) by co-expressing the glycoprotein (GP) and matrix protein (VP40) using the baculovirus expression system. MARV VLPs and three adjuvants, Poria cocos polysaccharide (PCP-II), poly(I:C) and aluminium hydroxide, were evaluated after intramuscular vaccination in mice...
October 25, 2017: Virology Journal
https://www.readbyqxmd.com/read/29049725/cd11b-and-cd200-on-circulating-monocytes-differentiate-two-angiographic-subtypes-of-polypoidal-choroidal-vasculopathy
#14
COMPARATIVE STUDY
Yousif Subhi, Marie Krogh Nielsen, Christopher Rue Molbech, Akio Oishi, Amardeep Singh, Mogens Holst Nissen, Torben Lykke Sørensen
Purpose: To investigate surface expression of CD11b and CD200 on circulating monocytes in patients with polypoidal choroidal vasculopathy (PCV). Methods: This was a prospective case-control study of patients with PCV (n = 27), age-matched healthy controls (n = 27), and patients with neovascular AMD (n = 49). All participants underwent a comprehensive ocular examination. Fluorescein and indocyanine green angiography were performed in patients suspected of neovascular AMD or PCV...
October 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/29045430/the-association-between-herpes-virus-infections-and-functional-somatic-symptoms-in-a-general-population-of-adolescents-the-trails-study
#15
Iris Jonker, Robert Schoevers, Hans Klein, Judith Rosmalen
BACKGROUND: FSS have been suggested to follow activation of the immune system, triggered by herpes virus infections. The aim of this study was to find out whether herpes virus infections were associated with the experience of FSS in adolescents, and whether this association was mediated by hsCRP, as a general marker of immune activation. METHODS: This study was performed in TRAILS, a large prospective population cohort of 2230 adolescents (mean age: 16.1 years, SD = ...
2017: PloS One
https://www.readbyqxmd.com/read/29044588/a-uniform-method-for-the-simultaneous-blood-group-phenotyping-of-fy-a-fy-b-jk-a-jk-b-s-s%C3%AC-p1-k-applying-lateral-flow-technique
#16
A Caesar, S Meyer, N Trost, K Neuenschwander, C Geisen, B M Frey, C Gassner, P Schwind
BACKGROUND AND OBJECTIVES: A lateral flow assay for simultaneous blood group typing of ABO, RhD, C, E, c, e, Cw and K with stable end-point and without centrifugation is in routine use since several years (MDmulticard(®) ). The typing of extended phenotype parameters belonging to the Duffy, Kidd, MNSs blood group systems and others, however, has not yet been demonstrated for this technique. Reliable detection of Fy(x) , a weak Fy(b) phenotype with a pronounced quantitative reduction of the number of Fy(b) antigens on the erythrocyte surface, remains a weakness of current serological blood grouping techniques...
October 16, 2017: Vox Sanguinis
https://www.readbyqxmd.com/read/29043827/stability-guidelines-for-dithiothreitol-treated-red-blood-cell-reagents-used-for-antibody-detection-methods-in-patients-treated-with-daratumumab
#17
Wendy L Disbro
Daratumumab (DARA), a drug used to treat patients with multiple myeloma, causes interference in pre-transfusion testing. Samples from patients receiving DARA exhibit panreactivity in antibody detection and identification tests with red blood cells (RBCs). Many hospitals are sending these samples to reference laboratories. Dithiothreitol (DTT), a sulfhydryl chemical treatment of RBCs, negates this reactivity. This study investigated the stability of the antigens on DTT-treated RBCs to determine if large quantities of RBCs could be treated at one time, stored, and used for testing at a later time...
September 2017: Immunohematology
https://www.readbyqxmd.com/read/29039828/-clinical-laboratory-and-instrumental-criteria-for-myocarditis-established-in-comparison-with-myocardial-biopsy-a-non-invasive-diagnostic-algorithm
#18
O V Blagova, Yu V Osipova, A V Nedostup, E A Kogan, V A Sulimov
AIM: To determine the diagnostic value of different clinical, laboratory, and instrumental signs in the diagnosis of myocarditis in patients with the picture of idiopathic arrhythmias, dilated cardiomyopathy (DCM) and in a comparison group when comparing with myocardial morphological examination. SUBJECTS AND METHODS: A study group included 100 patients (35 women; mean age, 44.7±12.5 years) with idiopathic arrhythmias (n=20) and DCM as a syndrome (n=100). All underwent myocardial morphological examination: endomyocardial biopsy (EMB) (n=71), intraoperative biopsy (n=13), study of the explanted heart (n=6), and autopsy (n=11)...
2017: Terapevticheskiĭ Arkhiv
https://www.readbyqxmd.com/read/29029260/an-adjuvanted-postfusion-f-protein-based-vaccine-did-not-prevent-respiratory-syncytial-virus-illness-in-older-adults
#19
Judith Falloon, Jing Yu, Mark T Esser, Tonya Villafana, Li Yu, Filip Dubovsky, Therese Takas, Myron J Levin, Ann R Falsey
Background: Respiratory syncytial virus (RSV) is an important cause of illness in older adults. This study assessed efficacy of a vaccine for prevention of RSV-associated acute respiratory illness (RSV-ARI), defined by specified symptoms with virologic confirmation. Methods: This phase 2b study evaluated RSV postfusion F protein (120 µg) with glucopyranosyl lipid adjuvant (5 µg) in 2% stable emulsion. Subjects aged ≥60 years were randomized 1:1 to vaccine or placebo (all received influenza vaccine)...
September 23, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29028747/nervous-system-delivery-of-antilysophosphatidic-acid-antibody-by-nasal-application-attenuates-mechanical-allodynia-after-traumatic-brain-injury-in-rats
#20
Andreas Eisenried, Anders C N Meidahl, Michael Klukinov, Alexander Z Tzabazis, Roger A Sabbadini, J David Clark, David C Yeomans
Lysophosphatidic acid (LPA) is a bioactive lipid that impacts neurological outcomes after neurotrauma by inhibiting neuroregeneration, promoting inflammation, and contributing to behavioral deficits. Blocking LPA signaling with a novel anti-LPA monoclonal antibody (mAb) is neuroprotective after traumatic brain injury (TBI) if given to injured animals whose blood-brain barrier (BBB) has been compromised. It is hypothesized that the anti-LPA mAb could improve chronic pain initiated by TBI. However, poor brain penetration after systemic application of the antibody makes access to the central nervous system (CNS) problematic in situations where the BBB is intact...
November 2017: Pain
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