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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/29119571/targeted-exome-sequencing-defines-novel-and-rare-variants-in-complex-blood-group-serology-cases-for-a-red-blood-cell-reference-laboratory-setting
#2
Elizna M Schoeman, Eileen V Roulis, Yew-Wah Liew, Jacqueline R Martin, Tanya Powley, Brett Wilson, Glenda M Millard, Eunike C McGowan, Genghis H Lopez, Helen O'Brien, Jennifer A Condon, Robert L Flower, Catherine A Hyland
BACKGROUND: We previously demonstrated that targeted exome sequencing accurately defined blood group genotypes for reference panel samples characterized by serology and single-nucleotide polymorphism (SNP) genotyping. Here we investigate the application of this approach to resolve problematic serology and SNP-typing cases. STUDY DESIGN AND METHODS: The TruSight One sequencing panel and MiSeq platform was used for sequencing. CLC Genomics Workbench software was used for data analysis of the blood group genes implicated in the serology and SNP-typing problem...
November 8, 2017: Transfusion
https://www.readbyqxmd.com/read/29076664/routine-preoperative-blood-group-and-save-testing-is-unnecessary-for-elective-laparoscopic-cholecystectomy
#3
Ashutosh Tandon, Kashif Shahzad, Quentin Nunes, Milind Shrotri, Raimundas Lunevicius
Background: Although the practice of preoperative testing of ABO group and Rh (D) type for elective cholecystectomy has deep historical roots, it is not evidence-based. We aimed to assess the preoperative blood group and save testing practice for a cohort of patients subjected to elective laparoscopic cholecystectomy for symptomatic cholecystolithiasis between January 2010 and October 2014. Methods: National Health Service (NHS) hospital based, surgical procedure-specific, retrospective study was conducted...
July 2017: Journal of Ayub Medical College, Abbottabad: JAMC
https://www.readbyqxmd.com/read/29072060/risk-factors-for-hydatidiform-mole-is-husband%C3%A2-s-job-a-major-risk-factor
#4
Hourieh Shamshiri Milani, Morteza Abdollahi, Sara Torbati, Taha Asbaghi, Eznollah Azargashb
Background: The hydatidiform mole (HM) is a precancerous placenta considered as a gestational trophoblastic disease (GTD). It may convert to more invasive forms of gestational trophoblastic neoplasia (GTN), endangering women’s health by more severe complications. Most GTN cases originate from HM, which is associated with uterine bleeding, preeclampsia and thyroid problems. Its etiology has not been adequately explored, but some risk factors have been reported. The aim of the present study was to assess any relationships between molar pregnancy and factors including mothers’ and husbands’ occupations...
October 26, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/29062250/hyperbilirubinemia-due-to-minor-blood-group-anti-e-incompatibility-in-a-newborn-a-case-report
#5
Murat Özcan, Selin Sevinç, Vildan Boz Erkan, Yüksel Yurdugül, S Ümit Sarıcı
In addition to Rh and ABO incompatibilities subgroup incompatibilities may rarely play a role among the causes of hemolytic anemia and indirect hyperbilirubinemia in newborns. The most common minor blood group antigens that cause blood incompatibility between the mother and baby are C, c, E, e, Kell, Duffy, Diego, Kidd and MNSs antigens. In this article, a newborn in whom hyperbilirubinemia due to anti-E minor blood group incompatibility developed and was treated with phototherapy succesfully is presented and minor blood group incompatibilities due to anti-E are reviewed...
September 2017: Türk Pediatri Arşivi
https://www.readbyqxmd.com/read/29043830/red-blood-cell-phenotype-prevalence-in-blood-donors-who-self-identify-as-hispanic
#6
Chelsea A Sheppard, Nicole L Bolen, Beth Eades, Gorka Ochoa-Garay, Mark H Yazer
Molecular genotyping platforms provide a quick, high-throughput method for identifying red blood cell units for patients on extended phenotype-matching protocols, such as those with sickle cell disease or thalassemia. Most of the antigen prevalence data reported are for non-Hispanic populations. Therefore, this study sought to determine the phenotype prevalence in a single blood center's Hispanic population and to compare those results with previously reported rates in non-Hispanic donor populations. We performed a retrospective review of all serologic and molecular typing from donors who self-reported as Hispanic...
September 2017: Immunohematology
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
#7
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/29036790/predictors-for-the-efficacy-of-endostar-combined-with-neoadjuvant-chemotherapy-for-stage-iiia-n2-nsclc
#8
Xiaoliang Zhao, Xiaohua Wen, Wei Wei, Yanjun Su, Jian You, Liqun Gong, Zhenfa Zhang, Meng Wang, Jianyu Xiao, Xiyin Wei, Changli Wang
BACKGROUND: Endostar (rh-endostatin) is a new recombinant human endostatin, which could inhibit cell proliferation, angiogenesis, and tumor growth. OBJECTIVE: To explore anti-angiogenesis short-term efficacy combined with neoadjuvant chemotherapy for stage IIIA (N2) non-small cell lung cancer (NSCLC), and identify the potential predictive factors. METHODS: We pathologically examined 26 patients diagnosed with stage IIIA (N2) NSCLC who received NP chemotherapy alone or combined with Endostar, respectively...
September 29, 2017: Cancer Biomarkers: Section A of Disease Markers
https://www.readbyqxmd.com/read/28983058/red-cell-alloimmunization-is-associated-with-development-of-autoantibodies-and-increased-red-cell-transfusion-requirements-in-myelodysplastic-syndrome
#9
Deepak Singhal, Monika M Kutyna, Rakchha Chhetri, Li Yan A Wee, Sophia Hague, Lakshmi Nath, Shriram V Nath, Romi Sinha, Nicholas Wickham, Ian D Lewis, David M Ross, Peter G Bardy, Luen Bik To, John Reynolds, Erica M Wood, David J Roxby, Devendra K Hiwase
Up to 90% of myelodysplastic syndrome patients require red blood cell transfusion, however comprehensive data addressing red cell alloimmunization are limited. This study evaluates the incidence and clinical impact of red cell alloimmunization in a large cohort of myelodysplastic syndrome patients registered in the statewide South Australian-MDS registry. Median age of the 817 patients was 73 years, and 66% were male. The cumulative incidence of alloimmunization was 11%. Disease-modifying therapy was associated with a lower risk of alloimmunization...
October 5, 2017: Haematologica
https://www.readbyqxmd.com/read/28958145/large-amino-acid-transporter-1-selective-liposomes-of-l-dopa-functionalized-amphiphile-for-combating-glioblastoma
#10
Sukanya Bhunia, Venugopal Vangala, Dwaipayan Bhattacharya, Halley Gora Ravuri, Madhusudana Kuncha, Sumana Chakravarty, Ramakrishna Sistla, Arabinda Chaudhuri
Despite significant progress in neurosurgery and radiation therapy during the past decade, overall survivability (OS) of glioblastoma patients continues to be less than 2 years. The scope of systemic chemotherapy is greatly limited by poor drug transport across the blood brain barrier (BBB) and, thereby, suboptimal drug accumulation in glioma tissue. To this end, use of large amino acid transporter-1 (LAT1) overexpressed both on brain capillary endothelial cells (BCECs) and glioma cells has begun. Prior reports on the use of LAT1 mediated delivery of model drugs showed their brain accumulations...
November 6, 2017: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/28954484/abo-blood-groups-rhesus-factor-and-anaphylactic-reactions-due-to-hymenoptera-stings
#11
Krzysztof Pałgan, Zbigniew Bartuzi, Elżbieta Chrzaniecka
INTRODUCTION: Numerous publications indicate that the prevalence of some infectious, neoplastic and immunological diseases are associated with ABO blood groups. OBJECTIVE: The aim of this study was to verify whether ABO and Rh blood groups are associated with severe anaphylactic reactions after Hymenoptera stings. MATERIAL AND METHODS: A study was undertaken of 71,441 Caucasian subjects living in the same geographic area. The study group included 353 patients with diagnosed systemic anaphylaxis to Hymenoptera venom...
September 21, 2017: Annals of Agricultural and Environmental Medicine: AAEM
https://www.readbyqxmd.com/read/28952658/a-research-on-relationship-between-abo-blood-groups-and-body-mass-index-among-turkish-seafarers
#12
Selçuk Nas, Remzi Fışkın
BACKGROUND: The present study aims to investigate and to reveal the relationship between ABO blood groups and body mass index (BMI) and obesity among Turkish seafarers by using the health examination reports data obtained from 2009 to 2016. MATERIALS AND METHODS: The data on age, gender, weight, height and blood groups obtained from 298,247 medical examination reports of Turkish seafarers were used with the official permission of Directorate General of Health for Border and Coastal Areas...
2017: International Maritime Health
https://www.readbyqxmd.com/read/28938239/absence-of-a-correlation-between-the-abo-blood-group-and-thrombus-burden-in-patients-with-st-segment-elevation-myocardial-infarction
#13
Lutfu Askin, Mustafa Cetin, Serdar Turkmen
OBJECTIVE: ABO antigens are highly abundant in many human cell types, including platelets, vascular endothelium, and red blood cells. The presence of a thrombus is associated with adverse clinical outcomes in patients with ST-segment elevation myocardial infarction (STEMI). We reviewed the relationship between ABO blood groups and thrombus burden in patients with STEMI. PATIENTS AND METHODS: We carried out a retrospective study of 396 patients with STEMI who did not have an ABO blood group or thrombus burden...
September 21, 2017: Coronary Artery Disease
https://www.readbyqxmd.com/read/28881103/hla-polymorphisms-and-risk-of-red-blood-cell-alloimmunisation-in-polytransfused-patients-with-sickle-cell-anaemia
#14
C Rodrigues, A M Sell, G A S Guelsin, T T Higa, S Pagliarini E Silva, L C Macedo, E Â Sippert, J B de Alencar, Â Zanette, C R L Acorsi, L Castilho, J E L Visentainer
BACKGROUND: Red blood cell (RBC) alloimmunisation is an event that may occur due to factors such as numerous blood transfusions, age, gender and genetic factors such as human leukocyte antigen (HLA). AIMS/OBJECTIVES: The aim of the present study was to investigate the possibility of alloimmunisation to red blood cell group antigens associated with the HLA of individuals and to relate alloimmunisation to risk factors. METHODS: A total of 172 polytransfused patients with sickle cell anaemia (SCA) (44 alloimmunised, 128 non-alloimmunised) participated in this study...
September 7, 2017: Transfusion Medicine
https://www.readbyqxmd.com/read/28874460/citric-acid-metabolism-in-resistant-hypertension-underlying-mechanisms-and-metabolic-prediction-of-treatment-response
#15
Marta Martin-Lorenzo, Paula J Martinez, Montserrat Baldan-Martin, Gema Ruiz-Hurtado, Jose Carlos Prado, Julian Segura, Fernando de la Cuesta, Maria G Barderas, Fernando Vivanco, Luis Miguel Ruilope, Gloria Alvarez-Llamas
Resistant hypertension (RH) affects 9% to 12% of hypertensive adults. Prolonged exposure to suboptimal blood pressure control results in end-organ damage and cardiovascular risk. Spironolactone is the most effective drug for treatment, but not all patients respond and side effects are not negligible. Little is known on the mechanisms responsible for RH. We aimed to identify metabolic alterations in urine. In addition, a potential capacity of metabolites to predict response to spironolactone was investigated...
November 2017: Hypertension
https://www.readbyqxmd.com/read/28839412/correlation-of-abo-blood-group-phenotype-and-rhesus-factor-with-periodontal-disease-an-observational-study
#16
Anju Gautam, Neelam Mittal, T B Singh, Ruchi Srivastava, Pushpendra Kumar Verma
BACKGROUND: The knowledge of the ABO blood group phenotype of the patients and their correlation with the periodontal disease maybe important in the development of early treatment strategies, and it would be helpful to target non-responding areas to periodontal therapy of the susceptible individuals. AIMS: The present study was conducted to determine whether there was any correlation between periodontal diseases and ABO blood groups and Rh factor. MATERIAL AND METHOD: This study was carried out on 537 subjects attending Faculty of Dental Sciences OPD in BHU...
April 2017: Contemporary Clinical Dentistry
https://www.readbyqxmd.com/read/28815618/effect-on-gene-expression-of-three-allelic-variants-in-gata-motifs-of-abo-rhd-and-rhce-regulatory-elements
#17
Katie Fennell, Roser Hoffman, Ken Yoshida, Sadahiko Iwamoto, Lavendri Govender, Kuben Vather, Ashika Sookraj, Ute Jentsch, Chantale Pambrun, Catherine McAuley, Margaret A Keller, Gorka Ochoa-Garay
BACKGROUND: Only a few genetic variants have been reported in regulatory elements of blood group genes. Most of them affect GATA motifs, binding sites for the GATA-1 transcription factor. STUDY DESIGN AND METHODS: Samples from two patients and one donor with unusual or discrepant serology for ABO, RhD, and RhCE antigens were analyzed by DNA sequencing. Analyzed regions included the coding sequence and portions of regulatory elements. The effect of some variants on gene expression was evaluated in reporter gene assays...
August 16, 2017: Transfusion
https://www.readbyqxmd.com/read/28796682/a-guide-to-terminology-for-rh-immunoprophylaxis
#18
S Gerald Sandler, John T Queenan
Rh immunoprophylaxis for Rh-negative women requires an understanding of terminology used for Rh blood typing laboratory reports. The pathophysiology of Rh hemolytic disease of the fetus and newborn was elucidated by studies in rhesus monkeys. Subsequent studies revealed that the human blood group antigen responsible for Rh hemolytic disease of the newborn (D antigen) is related to, but different from, the rhesus monkey antigen. Weak expression of the D antigen on red cells, originally termed D, is currently reported by laboratories as a "serologic weak D phenotype," which can be further defined by RHD genotyping to be either a weak D type or a partial D phenotype...
September 2017: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28748989/-association-of-abo-blood-groups-with-gestational-diabetes-mellitus
#19
Andrea Huidobro M, Demetrio Torres C, Fabio Paredes
BACKGROUND: ABO and Rhesus blood systems are associated with type 2 Diabetes Mellitus (DM2). Gestational Diabetes (GDM) is a model to study DM. AIM: To study the association between GDM and ABO and Rhesus groups. MATERIAL AND METHODS: A retrospective cohort study was performed in 1,078 women who gave birth to a singleton in Talca Regional Hospital, Chile, during 2008. We analyzed personal, obstetric, medical data and ABO and Rh blood groups...
April 2017: Revista Médica de Chile
https://www.readbyqxmd.com/read/28747888/the-hsp72-and-hsp90%C3%AE-mrna-responses-to-hot-downhill-running-are-reduced-following-a-prior-bout-of-hot-downhill-running-and-occur-concurrently-within-leukocytes-and-the-vastus-lateralis
#20
James A Tuttle, Bryna C R Chrismas, Oliver R Gibson, James H Barrington, David C Hughes, Paul C Castle, Alan J Metcalfe, Adrian W Midgley, Oliver Pearce, Chindu Kabir, Faizal Rayanmarakar, Sami Al-Ali, Mark P Lewis, Lee Taylor
The leukocyte heat shock response (HSR) is used to determine individual's thermotolerance. The HSR and thermotolerance are enhanced following interventions such as preconditioning and/or acclimation/acclimatization. However, it is unclear whether the leukocyte HSR is an appropriate surrogate for the HSR in other tissues implicated within the pathophysiology of exertional heat illnesses (e.g., skeletal muscle), and whether an acute preconditioning strategy (e.g., downhill running) can improve subsequent thermotolerance...
2017: Frontiers in Physiology
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