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Rh blood group

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https://www.readbyqxmd.com/read/28730912/rhd-specific-microrna-for-regulation-of-the-del-blood-group-integration-of-computational-and-experimental-approaches
#1
J Thongbut, U Kerdpin, T Sakuldamrongpanich, C Issarankura-Na-Ayudhya, P Nuchnoi
OBJECTIVE: The discovery of specific microRNAs (miRNA) mediates a better understanding of molecular mechanisms, diagnosis and prognosis of complex phenotypes. Synthesis of the RhD blood group involves multiple factors causing variation in the expression of RHD antigens. The mechanism underlying the extremely weak expression of RHD antigen associated with the RHD variant called DEL (D-elute) is incompletely understood. Down-regulation of gene expression through miRNA is a guide to the potential involvement of miRNAs in the DEL blood group...
July 21, 2017: British Journal of Biomedical Science
https://www.readbyqxmd.com/read/28713115/association-between-cheiloscopic-patterns-and-abo-blood-groups-among-south-indian-population
#2
Sneha Khanapure, H G Suhas, Shrudha Potdar, George Sam, C B Sudeep, M R Arjun
BACKGROUND: Human beings have few characteristics that are unique from others. Lip prints are one of such feature. They are not changed throughout the life and are not influenced by injuries, diseases, or environmental changes. According to the various antigen-antibody reactions in the bloodstream, different individuals have specific blood groups. AIM: To study the distribution of lip print patterns among individuals with different ABO and Rh blood groups and also to know the relation between their characters and blood groups...
July 1, 2017: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/28712183/association-of-abo-and-rh-blood-group-types-to-hepatitis-b-hepatitis-c-hiv-and-syphilis-infection-a-five-year-experience-in-healthy-blood-donors-in-a-tertiary-care-hospital
#3
Zufishan Batool, Saadia Haroon Durrani, Shazia Tariq
BACKGROUND: Aim of the study: The aim of the study was to find out the frequency of Hepatitis B Hepatitis C, Syphilis, HIV and malaria in apparently healthy blood donors and to find out any association between ABO and Rh blood groups. METHODS: It was a descriptive study carried out at Rehman Medical Institute laboratory. All blood donors who volunteered for blood donation from Jan 2008 to Dec 2014 were reviewed for blood groups and screening tests. Those who were eligible were then screened for Hepatitis B, Hepatitis C, HIV, syphilis and malaria on Architect 8200i through chemiluminescent immunoassay whereas malaria was screened by a thin film...
January 2017: Journal of Ayub Medical College, Abbottabad: JAMC
https://www.readbyqxmd.com/read/28699322/a-respiratory-marker-derived-from-left-vagus-nerve-signals-recorded-with-implantable-cuff-electrodes
#4
Cristian Sevcencu, Thomas N Nielsen, Benedict Kjaergaard, Johannes J Struijk
OBJECTIVE: Left vagus nerve (LVN) stimulation (LVNS) has been tested for lowering the blood pressure (BP) in patients with resistant hypertension (RH). Whereas, closed-loop LVNS (CL-LVNS) driven by a BP marker may be superior to open-loop LVNS, there are situations (e.g., exercising) when hypertension is normal. Therefore, an ideal anti-RH CL-LVNS system requires a variable to avoid stimulation in such conditions, for example, a respiratory marker ideally extracted from the LVN. As the LVN conducts respiratory signals, this study aimed to investigate if such signals can be recorded using implantable means and if a marker to monitor respiration could be derived from such recordings...
July 11, 2017: Neuromodulation: Journal of the International Neuromodulation Society
https://www.readbyqxmd.com/read/28669524/from-genetic-variability-to-phenotypic-expression-of-blood-group-systems
#5
L Raud, C Férec, Y Fichou
More than 300 red blood cell (RBC) antigens belonging to 36 blood group systems have been officially reported in humans by the International Society of Blood Transfusion (ISBT). Phenotypic variability is directly linked to the expression of the 41 blood group genes. The Rh blood group system, which is composed of 54 antigens, is the most complex and polymorphic system. Many rare genetic variants within the RH (RHD and RHCE) genes, involving various mutational mechanisms (single-nucleotide substitutions, short insertions/deletions, rearrangements, large deletions), have been reported in the literature and reference databases...
June 29, 2017: Transfusion Clinique et Biologique: Journal de la Société Française de Transfusion Sanguine
https://www.readbyqxmd.com/read/28657764/two-cases-of-the-variant-rhd-dau5-allele-associated-with-maternal-alloanti-d
#6
Jennifer A Duncan, Susan Nahirniak, Rodrigo Onell, Gwen Clarke
Rh is a complex blood group system with diverse genotypes that may encode weak and partial D variants. Standard serologic analysis may identify clinically significant D variants as D+; nevertheless, individuals with these D variants should be managed as D- patients to prevent antibody formation to absent D epitopes. Variant identification is necessary during pregnancy to allow for timely and appropriate Rh immune globulin (RhIG) prophylaxis for hemolytic disease of the fetus and newborn (HDFN) as D alloimmunization can occur with some D variants...
June 2017: Immunohematology
https://www.readbyqxmd.com/read/28645642/ngs-and-blood-group-systems-state-of-the-art-and-perspectives
#7
Y Fichou, C Férec
Molecular analysis, or genotyping, of genes involved in the expression of blood group antigens has been a standard strategy used in immunohaematology laboratories routinely. For the past ten years, next-generation sequencing (NGS), or second-generation sequencing, has become the reference method in genetics. Extensive study of distinct targets, large genomic regions, and even whole genome is henceforth possible by this approach at minimal cost. Blood group genotyping has thus taken advantage of this technological advent...
June 20, 2017: Transfusion Clinique et Biologique: Journal de la Société Française de Transfusion Sanguine
https://www.readbyqxmd.com/read/28641659/-experimental-study-on-neonatal-abo-or-rhd-compatible-blood-transfusion
#8
Wei Liu, Ai-Ping LE, Jing-Han Liu, Jiong-Cai Lan
OBJECTIVE: To investigate the safety and effectiveness of neonatal ABO or Rh(D) by using compatible blood transfusion through retrospective analysis of data from cases received compatible blood transfusion and type matched blood transfusion. METHODS: The clinical data of 26 cases of neonatal compatible blood transfusion in Chinese Nanchang area from January 2014 to October 2016 were collected, and 26 cases of neonatal type-matched blood transfusion were selected according to ratio of 1:1 cases...
June 2017: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/28639575/account-for-clinical-heterogeneity-in-assessment-of-catheter-based-renal-denervation-among-resistant-hypertension-patients-subgroup-meta-analysis
#9
Xiao-Han Chen, Sehee Kim, Xiao-Xi Zeng, Zhi-Bing Chen, Tian-Lei Cui, Zhang-Xue Hu, Yi Li, Ping Fu
BACKGROUND: Catheter-based renal denervation (RDN) is a novel treatment for resistant hypertension (RH). A recent meta-analysis reported that RDN did not significantly reduce blood pressure (BP) based on the pooled effects with mild to severe heterogeneity. The aim of the present study was to identify and reduce clinical sources of heterogeneity and reassess the safety and efficacy of RDN within the identified homogeneous subpopulations. METHODS: This was a meta-analysis of 9 randomized clinical trials (RCTs) among patients with RH up to June 2016...
July 5, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28630606/clinical-characteristics-target-organ-damage-and-associate-risk-factors-of-resistant-hypertension-determined-by-ambulatory-blood-pressure-monitoring-in-patients-aged-%C3%A2-80-years
#10
Zhi-Ru Liang, Ling-Gen Gao, Jian Cao, Hua Cui, Li Fan, De-Wei Gao
OBJECTIVES: To investigate clinical characteristics, target organ damage, and the associated risk factors of the patients aged ≥ 80 years with true resistant hypertension (RH). METHODS: Patients aged ≥ 80 years with hypertension (n = 1163) were included in this study. The included participants attended a structured clinical examination and an evaluation of RH was carried out. The prevalence, clinical characteristics and target organ damage of patients with RH were assessed...
May 2017: Journal of Geriatric Cardiology: JGC
https://www.readbyqxmd.com/read/28615230/rapid-rhd-zygosity-determination-using-digital-pcr
#11
Kelly A Sillence, Amr J Halawani, Wajnat A Tounsi, Kirsty A Clarke, Michele Kiernan, Tracey E Madgett, Neil D Avent
BACKGROUND: Paternal zygosity testing is used for determining homo- or hemizygosity of RHD in pregnancies that are at a risk of hemolytic disease of the fetus and newborn. At present, this is achieved by using real-time PCR or the Rhesus box PCR, which can be difficult to interpret and unreliable, particularly for black African populations. METHODS: DNA samples extracted from 58 blood donors were analyzed using 2 multiplex reactions for RHD-specific targets against a reference (AGO1)(2) to determine gene dosage by digital PCR...
June 14, 2017: Clinical Chemistry
https://www.readbyqxmd.com/read/28602048/injected-corticosteroids-for-treating-plantar-heel-pain-in-adults
#12
REVIEW
Judy A David, Venkatesan Sankarapandian, Prince Rh Christopher, Ahana Chatterjee, Ashish S Macaden
BACKGROUND: Plantar heel pain, commonly resulting from plantar fasciitis, often results in significant morbidity. Treatment options include nonsteroidal anti-inflammatory drugs (NSAIDs), orthoses, physical therapy, physical agents (e.g. extracorporeal shock wave therapy (ESWT), laser) and invasive procedures including steroid injections. OBJECTIVES: To assess the effects (benefits and harms) of injected corticosteroids for treating plantar heel pain in adults. SEARCH METHODS: We searched the Cochrane Bone, Joint and Muscle Trauma Group Specialised Register, the Cochrane Central Register of Controlled Trials (the Cochrane Library), MEDLINE, Embase, CINAHL, clinical trials registries and conference proceedings...
June 11, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28596662/rh-and-kell-phenotype-matched-blood-versus-randomly-selected-and-conventionally-cross-matched-blood-on-incidence-of-alloimmunization
#13
Raj Nath Makroo, Soma Agrawal, Mohit Chowdhry
There is paucity of literature regarding efficacy of transfusion of Rh and Kell matched blood in reducing alloimmunization risk among non-chronically transfused patients. A prospective study to compare efficacy of Rh and Kell phenotype matched blood over randomly selected and conventionally cross-matched blood on the incidence of alloimmunization in patients undergoing cardiac surgery was carried out in the Department of Transfusion Medicine at Indraprastha Apollo Hospitals, New Delhi, from 1st September, 2013 to 31st December, 2014...
June 2017: Indian Journal of Hematology & Blood Transfusion
https://www.readbyqxmd.com/read/28596661/what-is-it-really-anti-g-or-anti-d-plus-anti-c-clinical-significance-in-antenatal-mothers
#14
Soumya Das, Shamee Shastry, M Murugesan, Poornima Baliga B, Shamee Shastry
G antigen of Rh blood group system is present either along with D and/or C positive red cells. Hence, [serologically anti-G presents with the similar picture as that of multiple antibodies (anti-D + anti-C). Differentiating them is important as anti-D + anti-C causes severe hemolytic disease of the fetus and newborn than anti-G. In pregnancies with anti-G alone, alloimmunization due to D antigen could be prevented by prophylactic administration of RhIg. Differentiating between anti-D + C from anti-G in alloimmunized pregnant mothers becomes essential...
June 2017: Indian Journal of Hematology & Blood Transfusion
https://www.readbyqxmd.com/read/28588673/modulatory-effects-of-hydrochlorothiazide-and-triamterene-on-resistant-hypertension-patients
#15
Haibin Gong, Yun Li, Cheng Zheng, Tian-Tian Du, Bing-Quan Luo, Min Pang
The present study explored the modulatory potential of hydrochlorothiazide and triamterene on resistant hypertension patients. The mechanistic information for resistant hypertension was explored by studying the pressure-natriuresis curves between the salt sensitive population and non-salt sensitive population. A cohort of 23 patients with non-hypertension (NH) (13 males and 10 females; aged from 23 to 62 years), 26 patients with controlled hypertension (CH) (14 males and 12 females; aged from 19 to 72 years) and 23 patients with resistant hypertension (RH) (13 males and 10 females; aged from 19 to 76 years) were selected...
June 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28576386/-identification-of-alloantibodies-and-their-associations-balance-sheet-of-3%C3%A2-years-at-the-regional-center-of-blood-transfusion-in-rabat-morocco-and-difficult-in-transfusion-management
#16
S Achargui, A Zidouh, S Abirou, F Z Merhfour, S Monsif, S Amahrouch, A El Ghobre, M El Halhali, H Temmara, A El Hryfy, M Motqi, A Satty, M Kandili, M Aghri, K Hajjout, M Benajiba
Red blood cell immunization can lead to delays or even an impasse in a transfusion. OBJECTIVES: Determine the specificities of the most common of alloantibodies and their associations to correct management of red blood cell transfused. METHODS AND MATERIALS: A retrospective study between 2013 and 2015 in immunohematology laboratories at the Blood Transfusion Center of Rabat in Morocco. The following data were studied: frequency, specificities of alloantibodies, blood group involved in alloimmunization and difficult of management of transfusion in case with association of alloantibodies...
May 30, 2017: Transfusion Clinique et Biologique: Journal de la Société Française de Transfusion Sanguine
https://www.readbyqxmd.com/read/28554807/how-right-is-left-handedness-modulates-neural-responses-during-morphosyntactic-processing
#17
Sarah Grey, Darren Tanner, Janet G van Hell
Most neurocognitive models of language processing generally assume population-wide homogeneity in the neural mechanisms used during language comprehension, yet individual differences are known to influence these neural mechanisms. In this study, we focus on handedness as an individual difference hypothesized to affect language comprehension. Left-handers and right-handers with a left-handed blood relative, or familial sinistrals, are hypothesized to process language differently than right-handers with no left-handed relatives (Hancock and Bever, 2013; Ullman, 2004)...
May 26, 2017: Brain Research
https://www.readbyqxmd.com/read/28554698/effects-of-carotid-baroreceptor-stimulation-on-retinal-arteriole-remodeling-evaluated-with-adaptive-optics-camera-in-resistant-hypertensive-patients
#18
A Gallo, D Rosenbaum, C Kanagasabapathy, X Girerd
BACKGROUND AND AIM: Baroreceptor activation therapy (BAT) leads to a decrease in blood pressure (BP) in patients affected by resistant hypertension (RH) by reducing sympathetic outflow. This study aimed at evaluating the effects of BAT on RH patients' retinal arteriolar microvasculature, a territory devoid of adrenergic innervation. PATIENTS AND METHODS: Five patients defined as affected by RH after excluding secondary causes of hypertension and based on number of antihypertensive treatments, underwent the implantation of Barostim™ neo™...
June 2017: Annales de Cardiologie et D'angéiologie
https://www.readbyqxmd.com/read/28533197/incomplete-antibodies-may-reduce-abo-cross-match-incompatibility-a-pilot-study
#19
Mehmet Özen, Soner Yılmaz, Tülin Özkan, Yeşim Özer, Aliye Aysel Pekel, Asuman Sunguroğlu, Günhan Gürman, Önder Arslan
OBJECTIVE: Any erythrocyte transfusion among humans having type A or B blood groups is impossible due to antibodies causing fatal transfusion complications. A cross-match test is performed to prevent immune transfusion complications before transfusion. Our hypothesis is that the Fragment antibody (Fab) part of antibody (incomplete antibody) may be used to prevent an immune stimulus related to complete antibody. Therefore, we designed a pilot study to evaluate the effectiveness of these incomplete antibodies with using cross-match tests...
May 23, 2017: Turkish Journal of Haematology: Official Journal of Turkish Society of Haematology
https://www.readbyqxmd.com/read/28507623/association-between-abo-and-rh-blood-groups-and-risk-of-preeclampsia-a-case-control-study-from-iran
#20
Firoozeh Aghasadeghi, Mostafa Saadat
AIM: Preeclampsia (PE) is a major cause of maternal and neonatal morbidity and mortality. There is a genetic component in the development of PE with estimated heritability around 0.47. Several studies have investigated the association between maternal ABO blood groups (OMIM 110300) and risk of PE, with contradictory results have emerged. Considering that there is no study in this filed from Iranian population, the present case-control study was carried out at Shiraz (south-west Iran)...
April 15, 2017: Open Access Macedonian Journal of Medical Sciences
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