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Min S, Zhan T, Lu Y, Pan D, Chen X, Xu B. Rapid and easily identifiable blood typing on microfluidic cotton thread-based analytical devices. LAB ON A CHIP 2023; 23:4680-4689. [PMID: 37817672 DOI: 10.1039/d3lc00501a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/12/2023]
Abstract
In this study, we present a novel swing-elution-based method to achieve rapid, cost-effective, and easily identifiable blood typing assays. Specifically, the method aims to swing the microfluidic cotton thread-based analytical devices (μCTADs) in PBS solution to effectively elute free red blood cells (RBCs) and allow large agglutinated RBCs to remain to precisely determine the blood type. In order to ensure an easily identifiable blood typing assay, fast swing mode needs to be used, and the elution time is evaluated to be >50 seconds. The created μCTADs have been used to successfully classify ABO and RhD blood types in 56 blood samples. Finally, in order to enhance the convenience and portability of blood typing, a blood-typing chip that utilizes a PBS liquid bridge to effectively elute the free RBCs is designed and fabricated based on the above swing-elution principle. Compared with the traditional wicking-elution methods that rely on the wicking effect to weakly elute the RBCs, our method possesses a stronger elution effect to remove the free RBCs inside the inter-fiber gaps or adhered to the fiber surface, resulting in effectively enhancing the identifiability of the elution results and minimizing user interpretation error. Given the simplicity of the blood typing method, we believe that our blood typing method has great potential to be widely applied in resource-limited and developing regions.
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Affiliation(s)
- Shuqiang Min
- School of Mechanical Engineering, Suzhou University of Science and Technology, Suzhou, 215009, China.
| | - Tonghuan Zhan
- School of Mechanical Engineering, Suzhou University of Science and Technology, Suzhou, 215009, China.
| | - Yang Lu
- Department of spinal surgery, Affiliated hospital of Nantong University, Nantong, 226001, China.
| | - Deng Pan
- Information Materials and Intelligent Sensing Laboratory of Anhui Province, Anhui University, Hefei, 230601 China
| | - Xiaoqing Chen
- Department of spinal surgery, Affiliated hospital of Nantong University, Nantong, 226001, China.
| | - Bing Xu
- School of Mechanical Engineering, Suzhou University of Science and Technology, Suzhou, 215009, China.
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2
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Wasnik M, Lahare S, Tejaswani P. Blood Group Discrepancy in a Whole Blood Donor With Weak AB. Cureus 2023; 15:e40834. [PMID: 37489182 PMCID: PMC10363257 DOI: 10.7759/cureus.40834] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/22/2023] [Indexed: 07/26/2023] Open
Abstract
The ABO blood group system was the first to be discovered; still, there is an enigma in ABO subgroups. The A1 and A2 phenotypes account for about 99% of all A or AB blood group individuals, and the rest are the weaker subgroups. They usually are suspected in cases of blood group discrepancies. Meticulous serological testing with technical expertise will help to differentiate these subgroups. We describe a case of a healthy blood donor with blood group discrepancy due to a weak subgroup of 'A' in the AB blood group.
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Affiliation(s)
- Minal Wasnik
- Transfusion Medicine and Blood Bank, All India Institute of Medical Sciences, Raipur, IND
| | - Saurabh Lahare
- Transfusion Medicine and Blood Bank, All India Institute of Medical Sciences, Raipur, IND
| | - Peddinti Tejaswani
- Transfusion Medicine and Blood Bank, All India Institute of Medical Sciences, Raipur, IND
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3
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Ding S, Duan S, Chen Y, Xie J, Tian J, Li Y, Wang H. Centrifugal microfluidic platform with digital image analysis for parallel red cell antigen typing. Talanta 2023; 252:123856. [DOI: 10.1016/j.talanta.2022.123856] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Revised: 08/11/2022] [Accepted: 08/16/2022] [Indexed: 11/26/2022]
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4
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Wardman JF, Bains RK, Rahfeld P, Withers SG. Carbohydrate-active enzymes (CAZymes) in the gut microbiome. Nat Rev Microbiol 2022; 20:542-556. [PMID: 35347288 DOI: 10.1038/s41579-022-00712-1] [Citation(s) in RCA: 132] [Impact Index Per Article: 66.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/21/2022] [Indexed: 12/13/2022]
Abstract
The 1013-1014 microorganisms present in the human gut (collectively known as the human gut microbiota) dedicate substantial percentages of their genomes to the degradation and uptake of carbohydrates, indicating the importance of this class of molecules. Carbohydrates function not only as a carbon source for these bacteria but also as a means of attachment to the host, and a barrier to infection of the host. In this Review, we focus on the diversity of carbohydrate-active enzymes (CAZymes), how gut microorganisms use them for carbohydrate degradation, the different chemical mechanisms of these CAZymes and the roles that these microorganisms and their CAZymes have in human health and disease. We also highlight examples of how enzymes from this treasure trove have been used in manipulation of the microbiota for improved health and treatment of disease, in remodelling the glycans on biopharmaceuticals and in the potential production of universal O-type donor blood.
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Affiliation(s)
- Jacob F Wardman
- Department of Biochemistry and Molecular Biology, University of British Columbia, Vancouver, British Columbia, Canada.,Michael Smith Laboratories, University of British Columbia, Vancouver, British Columbia, Canada
| | - Rajneesh K Bains
- Michael Smith Laboratories, University of British Columbia, Vancouver, British Columbia, Canada.,Department of Chemistry, University of British Columbia, Vancouver, British Columbia, Canada
| | - Peter Rahfeld
- Michael Smith Laboratories, University of British Columbia, Vancouver, British Columbia, Canada.,Department of Chemistry, University of British Columbia, Vancouver, British Columbia, Canada
| | - Stephen G Withers
- Department of Biochemistry and Molecular Biology, University of British Columbia, Vancouver, British Columbia, Canada. .,Michael Smith Laboratories, University of British Columbia, Vancouver, British Columbia, Canada. .,Department of Chemistry, University of British Columbia, Vancouver, British Columbia, Canada.
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5
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Bhasker PMB, Chandra A, Jain R, Kumar R, Srivastava S. A patient with probable rare blood Group B(A) phenotype. Asian J Transfus Sci 2022. [DOI: 10.4103/ajts.ajts_166_21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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6
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Dimri U, Kumar S, Kapoor U, Jagani R. Major and minor blood group phenotyping and database generation for recruits : A pilot study. Med J Armed Forces India 2021; 77:466-473. [PMID: 34594077 DOI: 10.1016/j.mjafi.2020.03.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2019] [Accepted: 03/19/2020] [Indexed: 10/22/2022] Open
Abstract
Background Alloimmunization to minor blood group antigens is a problem that has for long befuddled the blood bankers, requiring blood group phenotyping of target populations worldwide. However, the same exercise had been lacking in our Armed Forces population necessitating this pilot study. Methods A total of 2000 recruits of a regimental center in northern India were phenotyped for major and minor blood group antigens including ABO, Rhesus (D, C, c, E, and e antigens), Kell (K), MNSs (S and s antigens), Kidd (Jka and Jkb), and Duffy (Fya and Fyb) using commercially prepared polyclonal antisera on a fully automated system based on electromagnetic technology. Typing for M and N antigens (MNSs system) was performed using the tube method using company provided specific polyclonal antisera. The results were also compared with that of Indian and other populations of the world. Results Blood group antigen frequencies observed in our study population were mostly in sync with the prevalence rates of major and minor blood group antigens reported in other studies; however, in certain cases, they were also at variance. In our study, Rh D-negative antigen, JKa-Jkb- phenotype frequency were comparatively much higher than those reported in other Indian studies. Conclusion To conclude, ours was a pilot study to establish the database of major and minor antigens of Armed Forces combatants. However, it is recommended that if the same effort can be replicated at the other transfusion centers and major hospitals of Armed Forces, it will vastly benefit their alloimmunized patient clientele needing lifesaving transfusions.
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Affiliation(s)
- Ujjwal Dimri
- Classified Specialist (IH & BT), Armed Forces Transfusion Centre, Delhi Cantt-10, India
| | - Satish Kumar
- Ex-Professor (Pathology & Transfusion Medicine), Armed Forces Transfusion Centre, Delhi Cantt-10, India
| | - Umesh Kapoor
- Senior Adviser (Pathology), Command Hospital (Northern Command), Udhampur, India
| | - Rajat Jagani
- Senior Adviser (Pathology & Oncopathology), Armed Forces Transfusion Centre, Delhi Cantt-10, India
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7
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Mohamed M, Sweeney T, Alkhader D, Nassar M, Alqassieh A, Lakhdar S, Nso N, Fülöp T, Daoud A, Soliman KM. ABO incompatibility in renal transplantation. World J Transplant 2021; 11:388-399. [PMID: 34631470 PMCID: PMC8465511 DOI: 10.5500/wjt.v11.i9.388] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/06/2021] [Revised: 05/19/2021] [Accepted: 09/01/2021] [Indexed: 02/06/2023] Open
Abstract
ABO blood group incompatibility (ABO-I) was historically considered an absolute contraindication to kidney transplantation due to the significant risk of acute antibody-mediated rejection and early graft loss. Nevertheless, the urge to minimize the gap between the candidates’ number on the waitlist for kidney transplants and the available kidney donors encourage investigation into finding ways to use organs from ABO-I kidney donors, especially in the era of using more potent immunosuppression therapies. This review aims to discuss a general overview of ABO-I kidney transplantation and the different protocols adopted by some transplant centers to meaningfully overcome this barrier.
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Affiliation(s)
- Mahmoud Mohamed
- Department of Medicine, North Mississippi Medical Center, Tupelo, MS 38804, United States
| | - Tara Sweeney
- Department of Medicine, Medical University of South Carolina, Charleston, SC 29425, United States
| | - Duaa Alkhader
- Department of Surgery, Medical University of South Carolina, Charleston, SC 29425, United States
| | - Mahmoud Nassar
- Department of Medicine, Icahn School of Medicine at Mount Sinai, NYC Health and Hospitals, Queens, New York, NY 11432, United States
| | - Ahmed Alqassieh
- Department of Surgery, Medical University of South Carolina, Charleston, SC 29425, United States
| | - Sofia Lakhdar
- Department of Medicine, Icahn School of Medicine at Mount Sinai, NYC Health and Hospitals, Queens, New York, NY 11432, United States
| | - Nso Nso
- Department of Medicine, Icahn School of Medicine at Mount Sinai, NYC Health and Hospitals, Queens, New York, NY 11432, United States
| | - Tibor Fülöp
- Department of Medicine, Medical University of South Carolina, Charleston, SC 29425, United States
| | - Ahmed Daoud
- Department of Medicine, Kasr Alainy Medical School, Cairo University, Cairo 11562, Egypt
| | - Karim M Soliman
- Department of Medicine, Medical University of South Carolina, Charleston, SC 29425, United States
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8
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Characterization and statistical modeling of glycosylation changes in sickle cell disease. Blood Adv 2021; 5:1463-1473. [PMID: 33666655 DOI: 10.1182/bloodadvances.2020003376] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2020] [Accepted: 01/20/2021] [Indexed: 12/20/2022] Open
Abstract
Sickle cell disease is an inherited genetic disorder that causes anemia, pain crises, organ infarction, and infections in 13 million people worldwide. Previous studies have revealed changes in sialic acid levels associated with red blood cell sickling and showed that stressed red blood cells bare surface-exposed clustered terminal mannose structures mediating hemolysis, but detailed glycan structures and anti-glycan antibodies in sickle cell disease remain understudied. Here, we compiled results obtained through lectin arrays, glycan arrays, and mass spectrometry to interrogate red blood cell glycoproteins and glycan-binding proteins found in the plasma of healthy individuals and patients with sickle cell disease and sickle cell trait. Lectin arrays and mass spectrometry revealed an increase in α2,6 sialylation and a decrease in α2,3 sialylation and blood group antigens displayed on red blood cells. Increased binding of proteins to immunogenic asialo and sialyl core 1, Lewis A, and Lewis Y structures was observed in plasma from patients with sickle cell disease, suggesting a heightened anti-glycan immune response. Data modeling affirmed glycan expression and plasma protein binding changes in sickle cell disease but additionally revealed further changes in ABO blood group expression. Our data provide detailed insights into glycan changes associated with sickle cell disease and refer glycans as potential therapeutic targets.
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9
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Zhang Y, Garner R, Salehi S, La Rocca M, Duncan D. Association between ABO blood types and coronavirus disease 2019 (COVID-19), genetic associations, and underlying molecular mechanisms: a literature review of 23 studies. Ann Hematol 2021; 100:1123-1132. [PMID: 33686492 PMCID: PMC7939543 DOI: 10.1007/s00277-021-04489-w] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Accepted: 03/02/2021] [Indexed: 12/15/2022]
Abstract
An association of various blood types and the 2019 novel coronavirus disease (COVID-19) has been found in a number of publications. The aim of this literature review is to summarize key findings related to ABO blood types and COVID-19 infection rate, symptom presentation, and outcome. Summarized findings include associations between ABO blood type and higher infection susceptibility, intubation duration, and severe outcomes, including death. The literature suggests that blood type O may serve as a protective factor, as individuals with blood type O are found COVID-19 positive at far lower rates. This could suggest that blood type O individuals are less susceptible to infection, or that they are asymptomatic at higher rates and therefore do not seek out testing. We also discuss genetic associations and potential molecular mechanisms that drive the relationship between blood type and COVID-19. Studies have found a strong association between a locus on a specific gene cluster on chromosome three (chr3p21.31) and outcome severity, such as respiratory failure. Cellular models have suggested an explanation for blood type modulation of infection, evidencing that spike protein/Angiotensin-converting enzyme 2 (ACE2)-dependent adhesion to ACE2-expressing cell lines was specifically inhibited by monoclonal or natural human anti-A antibodies, so individuals with non-A blood types, specifically O, or B blood types, which produce anti-A antibodies, may be less susceptible to severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection due to the inhibitory effects of anti-A antibodies.
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Affiliation(s)
- Yujia Zhang
- Laboratory of Neuro Imaging, USC Stevens Neuroimaging and Informatics Institute, Keck School of Medicine of USC, University of Southern California, 2025 Zonal Ave., Los Angeles, CA 90033 USA
| | - Rachael Garner
- Laboratory of Neuro Imaging, USC Stevens Neuroimaging and Informatics Institute, Keck School of Medicine of USC, University of Southern California, 2025 Zonal Ave., Los Angeles, CA 90033 USA
| | - Sana Salehi
- Department of Radiology, Keck School of Medicine of USC, University of Southern California, 1500 San Pablo St., Los Angeles, CA 90033 USA
| | - Marianna La Rocca
- Laboratory of Neuro Imaging, USC Stevens Neuroimaging and Informatics Institute, Keck School of Medicine of USC, University of Southern California, 2025 Zonal Ave., Los Angeles, CA 90033 USA
| | - Dominique Duncan
- Laboratory of Neuro Imaging, USC Stevens Neuroimaging and Informatics Institute, Keck School of Medicine of USC, University of Southern California, 2025 Zonal Ave., Los Angeles, CA 90033 USA
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10
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Menon V, Ghaffari S. Erythroid enucleation: a gateway into a "bloody" world. Exp Hematol 2021; 95:13-22. [PMID: 33440185 PMCID: PMC8147720 DOI: 10.1016/j.exphem.2021.01.001] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2020] [Revised: 01/06/2021] [Accepted: 01/07/2021] [Indexed: 12/18/2022]
Abstract
Erythropoiesis is an intricate process starting in hematopoietic stem cells and leading to the daily production of 200 billion red blood cells (RBCs). Enucleation is a greatly complex and rate-limiting step during terminal maturation of mammalian RBC production involving expulsion of the nucleus from the orthochromatic erythroblasts, resulting in the formation of reticulocytes. The dynamic enucleation process involves many factors ranging from cytoskeletal proteins to transcription factors to microRNAs. Lack of optimum terminal erythroid maturation and enucleation has been an impediment to optimum RBC production ex vivo. Major efforts in the past two decades have exposed some of the mechanisms that govern the enucleation process. This review focuses in detail on mechanisms implicated in enucleation and discusses the future perspectives of this fascinating process.
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Affiliation(s)
- Vijay Menon
- Department of Cell, Developmental & Regenerative Biology, Icahn School of Medicine at Mount Sinai, New York, NY
| | - Saghi Ghaffari
- Department of Cell, Developmental & Regenerative Biology, Icahn School of Medicine at Mount Sinai, New York, NY; Oncological Sciences, Icahn School of Medicine at Mount Sinai, New York, NY; Tisch Cancer Institute, Icahn School of Medicine at Mount Sinai, New York, NY; Black Family Stem Cell Institute, Icahn School of Medicine at Mount Sinai, New York, NY.
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11
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Silva-Filho JC, Melo CGFD, Oliveira JLD. The influence of ABO blood groups on COVID-19 susceptibility and severity: A molecular hypothesis based on carbohydrate-carbohydrate interactions. Med Hypotheses 2020; 144:110155. [PMID: 33254482 PMCID: PMC7395945 DOI: 10.1016/j.mehy.2020.110155] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2020] [Accepted: 07/29/2020] [Indexed: 12/12/2022]
Abstract
The world is experiencing one of the most difficult moments in history with the COVID-19 pandemic, a disease caused by SARS-CoV-2, a new type of coronavirus. Virus infectivity is mediated by the binding of Spike transmembrane glycoprotein to specific protein receptors present on cell host surface. Spike is a homotrimer that emerges from the virion, each monomer containing two subunits named S1 and S2, which are related to cell recognition and membrane fusion, respectively. S1 is subdivided in domains S1A (or NTD) and S1B (or RBD), with experimental and in silico studies suggesting that the former binds to sialic acid-containing glycoproteins, such as CD147, whereas the latter binds to ACE2 receptor. Recent findings indicate that the ABO blood system modulates susceptibility and progression of infection, with type-A individuals being more susceptible to infection and/or manifestation of a severe condition. Seeking to understand the molecular mechanisms underlying this susceptibility, we carried out an extensive bibliographic survey on the subject. Based on this survey, we hypothesize that the correlation between the ABO blood system and susceptibility to SARS-CoV-2 infection can be presumably explained by the modulation of sialic acid-containing receptors distribution on host cell surface induced by ABO antigens through carbohydrate-carbohydrate interactions, which could maximize or minimize the virus Spike protein binding to the host cell. This model could explain previous sparse observations on the molecular mechanism of infection and can direct future research to better understand of COVID-19 pathophysiology.
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12
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Navabi J, Navabi SM, Hemmati N, Shaahmadi Z, Aghaei A. Higher Odds of Type 2 Diabetes for Some Blood Groups. Public Health Genomics 2020; 23:37-41. [PMID: 32252060 DOI: 10.1159/000506294] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2019] [Accepted: 01/31/2020] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND Diabetes is one of the most common metabolic diseases in humans that cause disruption in glucose and fat metabolism. The determination of the ABO blood group system is hereditary and both diabetes and blood groups have a genetic basis. OBJECTIVES The aim of this study was to investigate the odds of type 2 diabetes for some blood groups. METHODS This case-control study was conducted in hospitals of Kermanshah in 2018. The case group consisted of patients with diabetes admitted to hospital and the control group of nondiabetic patients hospitalized in the surgical ward. Information such as age, sex, BMI, family history of diabetes and blood group is collected and analyzed by the univariate and multivariate logistic regression method. RESULTS A total of 750 patients were enrolled in this study. The number of participants in both groups was 375. The average ages of the participants were 50.51 and 51.62 years, respectively. 67.5% of the patients in the case group were female in comparison with 73.6% of those in the control group. The value of Rh+ in the case and control groups was 94.4 and 93.6%, respectively (p = 0.645). The chance of having diabetes for patients with blood group A was 76% higher than for those with blood group O (p = 0.006). CONCLUSION According to the results of this study, the odds of type 2 diabetes for people in blood group A was higher than for those in other blood groups. It is recommended that blood group A be considered as a risk factor in the screening of type 2 diabetes.
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Affiliation(s)
- Jafar Navabi
- Research Development Center, Imam Khomeini and Mohammad Kermanshahi Hospitals, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | | | - Niloufar Hemmati
- Research Development Center, Imam Khomeini and Mohammad Kermanshahi Hospitals, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Zahra Shaahmadi
- Research Development Center, Imam Khomeini and Mohammad Kermanshahi Hospitals, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Abbas Aghaei
- Social Determinants of Health Research Center, Research Institute for Health Development, Kurdistan University of Medical Sciences, Sanandaj, Iran,
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Jötten AM, Moll K, Wahlgren M, Wixforth A, Westerhausen C. Blood group and size dependent stability of P. falciparum infected red blood cell aggregates in capillaries. BIOMICROFLUIDICS 2020; 14:024104. [PMID: 32206159 PMCID: PMC7083652 DOI: 10.1063/1.5125038] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/20/2019] [Accepted: 03/03/2020] [Indexed: 06/10/2023]
Abstract
For Plasmodium falciparum related malaria (B50), one of the outstanding host factors for the development of severe disease is the ABO blood group of malaria patients, where blood group O reduces the probability of severe disease as compared to individuals of groups A, B, or AB. In this report, we investigate the stability of rosette aggregates in malaria caused by Plasmodium falciparum in microflows. These flows are created in microfluidic channels with stenosis-like constrictions of different widths down to ones narrower as the rosette's diameter. High speed videos were recorded and analyzed by a MATLAB© based tracking software (SURF: SUrvival of Rosettes in Flow). We find a correlation of rosette size, channel diameter, and blood group regarding the mobility of the rosettes. Following the concept of a thermodynamic model, we find a critical width of the stenosis for rosette rupture during their passage. Our data reveal that under physiologically relevant conditions, rosettes in blood group A have a higher rosette frequency and stability as compared to blood group O (BG O), which constitutes a crucial factor promoting the observed protection in BG O individuals against severe malaria in non-O individuals.
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Affiliation(s)
| | - Kirsten Moll
- Department of Microbiology, Tumor and Cell Biology, Karolinska Institutet, Box 280, 171 77 Stockholm, Sweden
| | - Mats Wahlgren
- Department of Microbiology, Tumor and Cell Biology, Karolinska Institutet, Box 280, 171 77 Stockholm, Sweden
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Ferreira S, Mourato C, Corpuz A, Galvão S, Hesse C, Rocha C, Jesus C, Mendes F. FORSCells: 40-days fixed prepared reagent for detection of anti-Forssman in humans. J Immunol Methods 2019; 478:112722. [PMID: 31816281 DOI: 10.1016/j.jim.2019.112722] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2019] [Revised: 11/27/2019] [Accepted: 12/05/2019] [Indexed: 11/30/2022]
Abstract
In 2012, the FORS system was accepted by the International Society of Blood Transfusion as the 31st blood group system. Forssman (Fs) antigen (Ag) expression is most commonly found on sheep red blood cells (RBC) but rare in human RBC. Anti-Fs antibodies (Ab) are naturally occurring in human sera and are predominantly IgM but they can also be IgG. To this day, the global prevalence of the FORS system is unknown. Currently, there is a lack of natural FORS1-positive RBC available to use for anti-Fs screening in large populations. This study was designed to produce FORS1-positive cells viable for 40 days use in the anti-Fs screening. Three to 5% FORS1-positive cells were produced using sheep's blood and CellStab stabilizer solution. The quality of the FORS1-positive cells was investigated in more than three independent experiments of ABO titration, osmotic fragility test and supernatant haemolysis. For each batch of FORS1-positive cells produced, an extended antibody panel was performed. To demonstrate that the FORS1-positive cells can be used for up to 40 days, anti-Fs screening and classification were carried out in a patient and donor population. Antigenic expression and membrane integrity of FORS1-positive cells remained stable for 40 days. Good FORS1 Ag preservation was established, and minimal haemolysis was observed. In conclusion, a novel and easy-to-produce reagent has been developed and submitted to a patent with stable FORS1 Ag expression. With this FORS1-positive cell suspension, it is now possible to screen and classify anti-Fs Ab in large populations.
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Affiliation(s)
- Sofia Ferreira
- Polytechnic of Coimbra, ESTeSC, Departament of Biomedical Laboratory Sciences, ESTeSC, Rua 5 de Outubro, SM Bispo, Apartado 7006, 3046-854, Coimbra, Portugal
| | - Cristiana Mourato
- Polytechnic of Coimbra, ESTeSC, Departament of Biomedical Laboratory Sciences, ESTeSC, Rua 5 de Outubro, SM Bispo, Apartado 7006, 3046-854, Coimbra, Portugal
| | - Alyssa Corpuz
- School of Biological Sciences, Dublin Institute of Technology, Kevin St, Dublin 8, Ireland
| | - Sofia Galvão
- Polytechnic of Coimbra, ESTeSC, Departament of Biomedical Laboratory Sciences, ESTeSC, Rua 5 de Outubro, SM Bispo, Apartado 7006, 3046-854, Coimbra, Portugal
| | - Camilla Hesse
- Institutionen för biomedicin, Sahlgrenska Akademin vid, Göteborgs Universitet, Sweden
| | - Clara Rocha
- Polytechnic of Coimbra, ESTeSC, Department Complementary Sciences, ESTeSC, Rua 5 de Outubro, SM Bispo, Apartado 7006, 3046-854, Coimbra, Portugal; Institute for Systems Engineering and Computers at Coimbra, Coimbra, Portugal
| | - Carlos Jesus
- Polytechnic of Coimbra, ESTeSC, Departament of Biomedical Laboratory Sciences, ESTeSC, Rua 5 de Outubro, SM Bispo, Apartado 7006, 3046-854, Coimbra, Portugal
| | - Fernando Mendes
- Polytechnic of Coimbra, ESTeSC, Departament of Biomedical Laboratory Sciences, ESTeSC, Rua 5 de Outubro, SM Bispo, Apartado 7006, 3046-854, Coimbra, Portugal; Biophysics Institute, Coimbra Institute for Clinical and Biomedical Research (iCBR) area of Environment Genetics and Oncobiology (CIMAGO), Faculty of Medicine, University of Coimbra, Azinhaga de Santa Comba, Celas, 3000-548 Coimbra, Portugal; CNC.IBILI Consortium/Center for Innovative Biomedicine and Biotechnology (CIBB), University of Coimbra, Azinhaga de Santa Comba, Celas, 3000-548 Coimbra, Portugal.
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15
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Rahfeld P, Withers SG. Toward universal donor blood: Enzymatic conversion of A and B to O type. J Biol Chem 2019; 295:325-334. [PMID: 31792054 DOI: 10.1074/jbc.rev119.008164] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Transfusion of blood, or more commonly red blood cells (RBCs), is integral to health care systems worldwide but requires careful matching of blood types to avoid serious adverse consequences. Of the four main blood types, A, B, AB, and O, only O can be given to any patient. This universal donor O-type blood is crucial for emergency situations where time or resources for typing are limited, so it is often in short supply. A and B blood differ from the O type in the presence of an additional sugar antigen (GalNAc and Gal, respectively) on the core H-antigen found on O-type RBCs. Thus, conversion of A, B, and AB RBCs to O-type RBCs should be achievable by removal of that sugar with an appropriate glycosidase. The first demonstration of a B-to-O conversion by Goldstein in 1982 required massive amounts of enzyme but enabled proof-of-principle transfusions without adverse effects in humans. New α-galactosidases and α-N-acetylgalactosaminidases were identified by screening bacterial libraries in 2007, allowing improved conversion of B and the first useful conversions of A-type RBCs, although under constrained conditions. In 2019, screening of a metagenomic library derived from the feces of an AB donor enabled discovery of a significantly more efficient two-enzyme system, involving a GalNAc deacetylase and a galactosaminidase, for A conversion. This promising system works well both in standard conditions and in whole blood. We discuss remaining challenges and opportunities for the use of such enzymes in blood conversion and organ transplantation.
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Affiliation(s)
- Peter Rahfeld
- Department of Chemistry, University of British Columbia, Vancouver, British Columbia V6T 1Z1, Canada; Michael Smith Laboratories, University of British Columbia, Vancouver, British Columbia V6T 1Z4, Canada
| | - Stephen G Withers
- Department of Chemistry, University of British Columbia, Vancouver, British Columbia V6T 1Z1, Canada; Michael Smith Laboratories, University of British Columbia, Vancouver, British Columbia V6T 1Z4, Canada; Department of Biochemistry and Molecular Biology, University of British Columbia, Vancouver, British Columbia V6T 1Z3, Canada.
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16
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Fresh Low Titer O Whole Blood Transfusion in the Austere Medical Environment. Wilderness Environ Med 2019; 30:425-430. [PMID: 31694782 DOI: 10.1016/j.wem.2019.08.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2019] [Revised: 07/06/2019] [Accepted: 08/13/2019] [Indexed: 11/23/2022]
Abstract
Massive hemorrhage is an immediate threat to life. The military developed the Tactical Combat Casualty Care guidelines to address the management of acute trauma, including administration of blood products. The guidelines have been expanded to include low titer O whole blood, which is in limited use by the military. This proposal describes how the transfusion of fresh whole blood might be applied to the remote civilian environment. In doing so, this life-saving intervention may be brought to the austere medical environment, allowing critically hemorrhaging patients to survive to reach definitive medical care.
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Weinstock C, Schnaidt M. Human Leucocyte Antigen Sensitisation and Its Impact on Transfusion Practice. Transfus Med Hemother 2019; 46:356-369. [PMID: 31832061 DOI: 10.1159/000502158] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2019] [Accepted: 07/13/2019] [Indexed: 01/25/2023] Open
Abstract
Human leucocyte antigen (HLA) sensitisation, including the formation of antibodies against HLA, can cause serious effects in patients receiving blood. Under certain circumstances, donor HLA antibodies in the blood product can trigger the patient's granulocytes to release mediators that cause transfusion-associated lung injury (TRALI), a serious complication of transfusion. The HLA systems of both donor and patient are involved in transfusion-associated graft-versus-host disease, which is a rare disease with a high mortality. Patient HLA antibodies can destroy incompatible platelets and may cause refractoriness to platelet transfusion. Identification of a patient's HLA antibody specificities is necessary for issuing compatible platelets to overcome refractoriness. Many techniques for the detection and identification of HLA antibodies have been developed, including complement-dependent cytotoxicity assay, bead-based assays, the platelet adhesion immunofluorescence test, and the monoclonal antibody-specific immobilisation of platelet antigens assay. Different strategies for the selection of HLA-compatible platelets are applied. These strategies depend on the breadth of antibody reactivity and range from avoiding single HLA antigens in the platelet concentrates issued to apheresis of platelets from HLA-identical donors. The mechanisms of HLA sensitisation and the efforts made to provide compatible blood products to sensitised patients are reviewed in this article from the perspective of clinical transfusion medicine.
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Affiliation(s)
- Christof Weinstock
- Institute for Clinical Transfusion Medicine and Immunogenetics Ulm, German Red Cross Blood Service Baden-Württemberg-Hessen, Institute Ulm, Institute of Transfusion Medicine, Ulm University, Ulm, Germany
| | - Martina Schnaidt
- Centre for Clinical Transfusion Medicine, Medical Faculty of Tübingen, University of Tübingen, Tübingen, Germany
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18
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Bonet Bub C, Castilho L. ID CORE XT as a tool for molecular red blood cell typing. Expert Rev Mol Diagn 2019; 19:777-783. [DOI: 10.1080/14737159.2019.1656529] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Affiliation(s)
- Carolina Bonet Bub
- Departamento de Hemoterapia e Terapia Celular, Hospital Israelita Albert Einstein, São Paulo, SP, Brazil
| | - Lilian Castilho
- Departamento de Hemoterapia e Terapia Celular, Hospital Israelita Albert Einstein, São Paulo, SP, Brazil
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19
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Ma L, Liu Y. Novel missense mutation (c.284 T>C) in the ABO gene associated with the Ael phenotype. Transfus Med 2019; 29:131-132. [PMID: 30859643 DOI: 10.1111/tme.12585] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2018] [Revised: 01/07/2019] [Accepted: 01/27/2019] [Indexed: 10/27/2022]
Affiliation(s)
- L Ma
- Department of Transfusion Research, Jiangsu Province Blood Center, Nanjing, China
| | - Y Liu
- Department of Transfusion Research, Jiangsu Province Blood Center, Nanjing, China
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20
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D'Alessandro A. From omics technologies to personalized transfusion medicine. Expert Rev Proteomics 2019; 16:215-225. [PMID: 30654673 DOI: 10.1080/14789450.2019.1571917] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2018] [Accepted: 01/08/2019] [Indexed: 12/18/2022]
Abstract
INTRODUCTION Blood transfusion is the single most frequent in-hospital medical procedure, a life-saving intervention for millions of recipients worldwide every year. Storage in the blood bank is an enabling strategy for this critical procedure, as it logistically solves the issue of making ~110 million units available for transfusion every year. Unfortunately, storage in the blood bank promotes a series of biochemical and morphological changes to the red blood cell that compromise the integrity and functionality of the erythrocyte in vitro and in animal models, and could negatively impact transfusion outcomes in the recipient. Areas covered: While commenting on the clinical relevance of the storage lesion is beyond the scope of this manuscript, here we will review recent advancements in our understanding of the storage lesion as gleaned through omics technologies. We will focus on how the omics-scale appreciation of the biological variability at the donor and recipient level is impacting our understanding of red blood cell storage biology. Expert commentary: Omics technologies are paving the way for personalized transfusion medicine, a discipline that promises to revolutionize a critical field in medical practice. The era of recipient-tailored additives, processing, and storage strategies may not be too far distant in the future.
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Affiliation(s)
- Angelo D'Alessandro
- a Department of Biochemistry and Molecular Genetics , University of Colorado Denver - Anschutz Medical Campus , Aurora , CO , USA
- b Department of Medicine - Division of Hematology , University of Colorado Denver - Anschutz Medical Campus , Aurora , CO , USA
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21
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Pipatpanukul C, Takeya S, Baba A, Amarit R, Somboonkaew A, Sutapun B, Kitpoka P, Kunakorn M, Srikhirin T. Rh blood phenotyping (D, E, e, C, c) microarrays using multichannel surface plasmon resonance imaging. Biosens Bioelectron 2017; 102:267-275. [PMID: 29153948 DOI: 10.1016/j.bios.2017.10.049] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2017] [Revised: 10/17/2017] [Accepted: 10/29/2017] [Indexed: 01/22/2023]
Abstract
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. Stop flow showed an improvement in specific binding compared to continuous flow. Rh antigens required a longer incubation time to react with the immobilized antibody than A and B antigens due to the difference in antigen type and their location on the RBC. The interaction between the immobilized antibodies and their specific antigenic counterpart on the RBC showed a significant difference in RBC removal behavior using shear flow, measured from the decay of the SPR signal. The strength of the interaction between the immobilized antibody and RBC antigen was determined from the minimum wall shear stress required to start the decay process in the SPR signal. For a given range of immobilized antibody surface densities, the Rh antigen possesses a stronger interaction than A, B, and AB antigens. Identification of 82 samples of ABO and Rh blood groups using SPRi showed good agreement with the standard micro-column agglutination technique. A wider coverage of antigenic recognition for RBC when using the solid phase immobilization assay was demonstrated for the RBC with the antigenic site located on the transmembrane protein of the clinically significant Rh antigen. Given the level of accuracy and precision, the technique showed potential for the detection of the Rh minor blood group system.
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Affiliation(s)
- Chinnawut Pipatpanukul
- Office of Education, Faculty of Engineering, Burapha University, Chonburi 20131, Thailand
| | - Sasaki Takeya
- Department of Electrical and Information, Faculty of Science and Technology, Niigata University, 8050, Ikarashininocho, Nishiku, Niigatashi, Niigataken, Japan
| | - Akira Baba
- Department of Electrical and Information, Faculty of Science and Technology, Niigata University, 8050, Ikarashininocho, Nishiku, Niigatashi, Niigataken, Japan
| | - Ratthasart Amarit
- Photonics Technology Laboratory, National Electronics and Computer Technology Center (NECTEC), National Science and Technology Development Agency (NSTDA), Pathumthani 12120, Thailand
| | - Armote Somboonkaew
- Photonics Technology Laboratory, National Electronics and Computer Technology Center (NECTEC), National Science and Technology Development Agency (NSTDA), Pathumthani 12120, Thailand
| | - Boonsong Sutapun
- School of Electronic Engineering, Institute of Engineering, Suranaree University of Technology, Nakhon Ratchasima 30000, Thailand
| | - Pimpun Kitpoka
- Department of Pathology, Faculty of Medicine - Ramathibodi Hospital, Mahidol University, Bangkok 10400, Thailand
| | - Mongkol Kunakorn
- Department of Pathology, Faculty of Medicine - Ramathibodi Hospital, Mahidol University, Bangkok 10400, Thailand
| | - Toemsak Srikhirin
- Department of Physics, Faculty of Science, Mahidol University, 270 Rama VI Road, Bangkok 10400, Thailand.
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22
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Performance evaluation study of ID CORE XT, a high throughput blood group genotyping platform. BLOOD TRANSFUSION = TRASFUSIONE DEL SANGUE 2016; 16:193-199. [PMID: 27893355 DOI: 10.2450/2016.0146-16] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Received: 05/18/2016] [Accepted: 09/05/2016] [Indexed: 12/24/2022]
Abstract
BACKGROUND Traditionally, red blood cell antigens have been identified using serological methods, but recent advances in molecular biology have made the implementation of methods for genetic testing of most blood group antigens possible. The goal of this study was to validate the performance of the ID CORE XT blood group typing assay. MATERIALS AND METHODS One thousand independent samples from donors, patients and neonates were collected from three research institutes in Spain and the Netherlands. DNA was extracted from EDTA-anticoagulated blood. The data were processed with the ID CORE XT to obtain the genotypes and the predicted blood group phenotypes, and results were compared to those obtained with well-established serological and molecular methods. All 1,000 samples were typed for major blood group antigens (C, c, E, e, K) and 371-830 samples were typed for other antigens depending on the rarity and availability of serology comparators. RESULTS The incorrect call rate was 0%. Four "no calls" (rate: 0.014%) were resolved after repetition. The sensitivity of ID CORE XT for all phenotypes was 100% regarding serology. There was one discrepancy in E- antigen and 33 discrepancies in Fyb- antigen. After bidirectional sequencing, all discrepancies were resolved in favour of ID CORE XT (100% specificity). ID CORE XT detected infrequent antigens of Caucasians in the sample as well as rare allelic variants. DISCUSSION In this evaluation performed in an extensive sample following the European Directive, the ID CORE XT blood genotyping assay performed as a reliable and accurate method for correctly predicting the genotype and phenotype of clinically relevant blood group antigens.
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23
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Shao M, Lyu XP, Yang QK, Zhu WT, Song J, Kong YK, Wang J, Sun L, Wang F. [Effects of DNA methylation on ABO gene expression in leukemia]. ZHONGHUA XUE YE XUE ZA ZHI = ZHONGHUA XUEYEXUE ZAZHI 2016; 37:795-799. [PMID: 27719724 PMCID: PMC7342105 DOI: 10.3760/cma.j.issn.0253-2727.2016.09.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/04/2016] [Indexed: 11/05/2022]
Abstract
Objective: To investigate the impact of promoter CpG island methylation on ABO mRNA expression in leukemia. Methods: 25 cases of leukemia and 20 cases of normal control were studied, and the leukemia cell lines K562、HL-60 and Jurkat were treated with different concentrations of decitabine. PCR-SSP was used to identify ABO genotype, RQ-PCR for ABO mRNA expression and bisulfite sequencing PCR for DNA methylation status. Results: ① The methylation of ABO promoter in acute myeloid leukemia patients (10 cases) and acute lymphoblastic leukemia patients (10 cases) were 53.85% and 18.22% respectively, which were obviously higher than those in control (20 cases, 2.33%) and chronic myeloid leukemia patients (5 cases, 2.12% ). ② ABO genotype of K562 was O1O1, which has changed little before and after decitabine treatment. ABO genotype of HL-60 and Jurkat could not been identify before treatment, but showed as O1A1 and A1O2 after treatment. ③ABO mRNA expression of K562 was 1 275.67 ± 35.86, which was obviously higher than that in HL-60 (0.54 ± 0.07, P<0.05) and Jurkat (0.82±0.16, P<0.05). ④The methylation of ABO promoter in K562, HL-60 and Jurkat were 0, 58.14%, and 96.74%. As concentration of decitabine increased, the methylation of ABO promoter were decreased and the expressions of ABO mRNA were increased in HL-60 and Jurkat, which had significant differences compared with that before treatment (P<0.05). Conclusion: The methylation of ABO promoter shows a negative correlation with ABO mRNA expression. DNA methylation was an important aspect of ABO antigens decrease in acute leukemia.
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Affiliation(s)
- M Shao
- The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
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24
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Stegmann TC, Ji Y, Bijman R, Wang Z, Wen J, Wei L, Veldhuisen B, Haer‐Wigman L, Lighthart P, Lodén‐van Straaten M, Luo G, van der Schoot CE. Identification of a novel frequentRHCE*ce308Tvariant allele in Chinese D– individuals, resulting in a C+c– phenotype. Transfusion 2016; 56:2314-21. [DOI: 10.1111/trf.13709] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2016] [Revised: 04/28/2016] [Accepted: 05/05/2016] [Indexed: 11/26/2022]
Affiliation(s)
- Tamara C. Stegmann
- Sanquin Research and Landsteiner LaboratoryAcademic Medical Centre, University of AmsterdamAmsterdam The Netherlands
| | - Yanli Ji
- Institute of Clinical Blood Transfusion, Guangzhou Blood CenterGuangzhou China; and
| | - Renate Bijman
- Sanquin Research and Landsteiner LaboratoryAcademic Medical Centre, University of AmsterdamAmsterdam The Netherlands
| | - Zhen Wang
- Institute of Clinical Blood Transfusion, Guangzhou Blood CenterGuangzhou China; and
| | - Jizhi Wen
- Institute of Clinical Blood Transfusion, Guangzhou Blood CenterGuangzhou China; and
| | - Ling Wei
- Institute of Clinical Blood Transfusion, Guangzhou Blood CenterGuangzhou China; and
| | - Barbera Veldhuisen
- Sanquin Research and Landsteiner LaboratoryAcademic Medical Centre, University of AmsterdamAmsterdam The Netherlands
| | - Lonneke Haer‐Wigman
- Sanquin Research and Landsteiner LaboratoryAcademic Medical Centre, University of AmsterdamAmsterdam The Netherlands
| | | | | | - Guangping Luo
- Institute of Clinical Blood Transfusion, Guangzhou Blood CenterGuangzhou China; and
| | - C. Ellen van der Schoot
- Sanquin Research and Landsteiner LaboratoryAcademic Medical Centre, University of AmsterdamAmsterdam The Netherlands
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25
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Stegmann TC, Veldhuisen B, Bijman R, Thurik FF, Bossers B, Cheroutre G, Jonkers R, Ligthart P, de Haas M, Haer-Wigman L, van der Schoot CE. Frequency and characterization of known and novel RHD variant alleles in 37 782 Dutch D-negative pregnant women. Br J Haematol 2016; 173:469-79. [PMID: 27018217 DOI: 10.1111/bjh.13960] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2015] [Accepted: 12/14/2015] [Indexed: 11/30/2022]
Abstract
To guide anti-D prophylaxis, Dutch D- pregnant women are offered a quantitative fetal-RHD-genotyping assay to determine the RHD status of their fetus. This allowed us to determine the frequency of different maternal RHD variants in 37 782 serologically D- pregnant women. A variant allele is present in at least 0·96% of Dutch D- pregnant women The D- serology could be confirmed after further serological testing in only 54% of these women, which emphasizes the potential relevance of genotyping of blood donors. 43 different RHD variant alleles were detected, including 15 novel alleles (11 null-, 2 partial D- and 2 DEL-alleles). Of those novel null alleles, one allele contained a single missense mutation (RHD*443C>G) and one allele had a single amino acid deletion (RHD*424_426del). The D- phenotype was confirmed by transduction of human D- erythroblasts, consolidating that, for the first time, a single amino acid change or deletion causes the D- phenotype. Transduction also confirmed the phenotypes for the two new variant DEL-alleles (RHD*721A>C and RHD*884T>C) and the novel partial RHD*492C>A allele. Notably, in three additional cases the DEL phenotype was observed but sequencing of the coding sequence, flanking introns and promoter region revealed an apparently wild-type RHD allele without mutations.
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Affiliation(s)
- Tamara C Stegmann
- Sanquin Research and Landsteiner Laboratory, Academic Medical Centre, University of Amsterdam, Amsterdam, The Netherlands
| | - Barbera Veldhuisen
- Sanquin Research and Landsteiner Laboratory, Academic Medical Centre, University of Amsterdam, Amsterdam, The Netherlands.,Sanquin Diagnostic Services, Amsterdam, The Netherlands
| | - Renate Bijman
- Sanquin Research and Landsteiner Laboratory, Academic Medical Centre, University of Amsterdam, Amsterdam, The Netherlands
| | - Florentine F Thurik
- Sanquin Research and Landsteiner Laboratory, Academic Medical Centre, University of Amsterdam, Amsterdam, The Netherlands
| | | | | | - Remco Jonkers
- Sanquin Diagnostic Services, Amsterdam, The Netherlands
| | | | - Masja de Haas
- Sanquin Research and Landsteiner Laboratory, Academic Medical Centre, University of Amsterdam, Amsterdam, The Netherlands.,Sanquin Diagnostic Services, Amsterdam, The Netherlands
| | - Lonneke Haer-Wigman
- Sanquin Research and Landsteiner Laboratory, Academic Medical Centre, University of Amsterdam, Amsterdam, The Netherlands
| | - C Ellen van der Schoot
- Sanquin Research and Landsteiner Laboratory, Academic Medical Centre, University of Amsterdam, Amsterdam, The Netherlands
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26
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Abd Gani R, Manaf SM, Zafarina Z, Panneerchelvam S, Chambers GK, Norazmi MN, Edinur HA. Molecular blood group typing in Banjar, Jawa, Mandailing and Kelantan Malays in Peninsular Malaysia. Transfus Apher Sci 2015; 53:69-73. [DOI: 10.1016/j.transci.2015.03.009] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2014] [Revised: 01/29/2015] [Accepted: 03/09/2015] [Indexed: 10/23/2022]
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27
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Pipatpanukul C, Amarit R, Somboonkaew A, Sutapun B, Vongsakulyanon A, Kitpoka P, Srikhirin T, Kunakorn M. Microfluidic PMMA-based microarray sensor chip with imaging analysis for ABO and RhD blood group typing. Vox Sang 2015; 110:60-9. [DOI: 10.1111/vox.12313] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2015] [Revised: 05/25/2015] [Accepted: 05/26/2015] [Indexed: 12/20/2022]
Affiliation(s)
- C. Pipatpanukul
- Materials Science and Engineering Program; Mahidol University; Bangkok Thailand
| | - R. Amarit
- Photonics Technology Laboratory; National Electronics and Computer Technology Center (NECTEC); National Science and Technology Development Agency (NSTDA); Pathumthani Thailand
| | - A. Somboonkaew
- Photonics Technology Laboratory; National Electronics and Computer Technology Center (NECTEC); National Science and Technology Development Agency (NSTDA); Pathumthani Thailand
| | - B. Sutapun
- School of Electronic Engineering; Institute of Engineering; Suranaree University of Technology; Nakhon Ratchasima Thailand
| | - A. Vongsakulyanon
- Department of Pathology; Faculty of Medicine-Ramathibodi Hospital; Mahidol University; Bangkok Thailand
| | - P. Kitpoka
- Department of Pathology; Faculty of Medicine-Ramathibodi Hospital; Mahidol University; Bangkok Thailand
| | - T. Srikhirin
- Materials Science and Engineering Program; Mahidol University; Bangkok Thailand
- Department of Physics; Faculty of Science; Mahidol University; Bangkok Thailand
| | - M. Kunakorn
- Department of Pathology; Faculty of Medicine-Ramathibodi Hospital; Mahidol University; Bangkok Thailand
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Kwan DH, Constantinescu I, Chapanian R, Higgins MA, Kötzler MP, Samain E, Boraston AB, Kizhakkedathu JN, Withers SG. Toward Efficient Enzymes for the Generation of Universal Blood through Structure-Guided Directed Evolution. J Am Chem Soc 2015; 137:5695-705. [PMID: 25870881 DOI: 10.1021/ja5116088] [Citation(s) in RCA: 48] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Blood transfusions are critically important in many medical procedures, but the presence of antigens on red blood cells (RBCs, erythrocytes) means that careful blood-typing must be carried out prior to transfusion to avoid adverse and sometimes fatal reactions following transfusion. Enzymatic removal of the terminal N-acetylgalactosamine or galactose of A- or B-antigens, respectively, yields universal O-type blood, but is inefficient. Starting with the family 98 glycoside hydrolase from Streptococcus pneumoniae SP3-BS71 (Sp3GH98), which cleaves the entire terminal trisaccharide antigenic determinants of both A- and B-antigens from some of the linkages on RBC surface glycans, through several rounds of evolution, we developed variants with vastly improved activity toward some of the linkages that are resistant to cleavage by the wild-type enzyme. The resulting enzyme effects more complete removal of blood group antigens from cell surfaces, demonstrating the potential for engineering enzymes to generate antigen-null blood from donors of various types.
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Affiliation(s)
| | | | | | - Melanie A Higgins
- ⊥Department of Biochemistry and Microbiology, University of Victoria, Victoria, British Columbia, Canada V8W 3P6
| | | | - Eric Samain
- #Centre de Recherches sur les Macromolécules Végétales, Centre National de la Recherche Scientifique, Grenoble Cedex 9, France BP 53, 38041
| | - Alisdair B Boraston
- ⊥Department of Biochemistry and Microbiology, University of Victoria, Victoria, British Columbia, Canada V8W 3P6
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29
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Su Y, Kong GL, Su YL, Zhou Y, Lv LF, Wang Q, Huang BP, Zheng RZ, Li QZ, Yuan HJ, Zhao ZG. Association of gene polymorphisms in ABO blood group chromosomal regions and menstrual disorders. Exp Ther Med 2015; 9:2325-2330. [PMID: 26136981 DOI: 10.3892/etm.2015.2416] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2014] [Accepted: 03/24/2015] [Indexed: 12/20/2022] Open
Abstract
This study aimed to investigate whether single nucleotide polymorphisms (SNPs) located near the gene of the ABO blood group play an important role in the genetic aetiology of menstrual disorders (MDs). Polymerase chain reaction-ligase detection reaction technology was used to detect eight SNPs near the ABO gene location on the chromosomes in 250 cases of MD and 250 cases of normal menstruation. The differences in the distribution of each genotype, as well as the allele frequency in the normal and control groups, were analysed using Pearson's χ2 test to search for disease-associated loci. SHEsis software was used to analyse the linkage disequilibrium and haplotype frequencies and to inspect the correlation between haplotypes and the disease. Compared with the control group, the experimental group exhibited statistically significant differences in the genotype distribution frequencies of the rs657152 locus of the ABO blood group gene and the rs17250673 locus of the tumour necrosis factor cofactor 2 (TRAF2) gene, which is located downstream of the ABO gene. The allele distribution frequencies of rs657152 and rs495828 loci in the ABO blood group gene exhibited significant differences between the groups. Dominant and recessive genetic model analysis of each locus revealed that the experimental group exhibited statistically significant differences from the control group in the genotype distribution frequencies of rs657152 and rs495828 loci, respectively. These results indicate that the ABO blood group gene and TRAF2 gene may be a cause of MDs.
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Affiliation(s)
- Yong Su
- Department of Endocrinology, People's Hospital of Zhengzhou University (Henan Province People's Hospital), Zhengzhou, Henan 450003, P.R. China
| | - Gui-Lian Kong
- Department of Endocrinology, People's Hospital of Zhengzhou University (Henan Province People's Hospital), Zhengzhou, Henan 450003, P.R. China
| | - Ya-Li Su
- Department of Endocrinology, People's Hospital of Zhengzhou University (Henan Province People's Hospital), Zhengzhou, Henan 450003, P.R. China
| | - Yan Zhou
- Department of Endocrinology, People's Hospital of Zhengzhou University (Henan Province People's Hospital), Zhengzhou, Henan 450003, P.R. China
| | - Li-Fang Lv
- Department of Endocrinology, People's Hospital of Zhengzhou University (Henan Province People's Hospital), Zhengzhou, Henan 450003, P.R. China
| | - Qiong Wang
- Department of Endocrinology, People's Hospital of Zhengzhou University (Henan Province People's Hospital), Zhengzhou, Henan 450003, P.R. China
| | - Bao-Ping Huang
- Department of Endocrinology, People's Hospital of Zhengzhou University (Henan Province People's Hospital), Zhengzhou, Henan 450003, P.R. China
| | - Rui-Zhi Zheng
- Department of Endocrinology, People's Hospital of Zhengzhou University (Henan Province People's Hospital), Zhengzhou, Henan 450003, P.R. China
| | - Quan-Zhong Li
- Department of Endocrinology, People's Hospital of Zhengzhou University (Henan Province People's Hospital), Zhengzhou, Henan 450003, P.R. China
| | - Hui-Juan Yuan
- Department of Endocrinology, People's Hospital of Zhengzhou University (Henan Province People's Hospital), Zhengzhou, Henan 450003, P.R. China
| | - Zhi-Gang Zhao
- Department of Endocrinology, People's Hospital of Zhengzhou University (Henan Province People's Hospital), Zhengzhou, Henan 450003, P.R. China
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Satchwell TJ, Bell AJ, Toye AM. The sorting of blood group active proteins during enucleation. ISBT SCIENCE SERIES 2015; 10:163-168. [PMID: 26640516 PMCID: PMC4668593 DOI: 10.1111/voxs.12127] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
Enucleation represents the critical stage during red blood cell development when the nucleus is extruded from an orthochromatic erythroblast in order to generate a nascent immature reticulocyte. Extrusion of the nucleus results in loss of a proportion of the erythroblast plasma membrane, which surrounds the nucleus, the bulk of the endoplasmic reticulum and a small region of cytoplasm. For this reason enucleation provides an important point in erythroblast differentiation at which proteins not required for the function of the erythrocyte can be lost, whilst those that are important for the structure-function properties of the mature erythrocyte must be efficiently retained in the reticulocyte plasma membrane. Disturbances in protein distribution during enucleation are envisaged to occur during human diseases such as Hereditary Spherocytosis. This article will discuss the current knowledge of erythroblast enucleation in the context of retention and loss of proteins that display antigenic blood group sites and that exist within multiprotein complexes within the erythrocyte membrane.
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Affiliation(s)
- Timothy J. Satchwell
- School of Biochemistry, Medical Sciences Building, University Walk, Bristol BS8 1TD
- Bristol Institute of Transfusion Sciences, NHS Blood and Transplant, Filton, Bristol
| | - Amanda J. Bell
- School of Biochemistry, Medical Sciences Building, University Walk, Bristol BS8 1TD
| | - Ashley M. Toye
- School of Biochemistry, Medical Sciences Building, University Walk, Bristol BS8 1TD
- Bristol Institute of Transfusion Sciences, NHS Blood and Transplant, Filton, Bristol
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Abstract
International Society of Blood Transfusion has recently recognized 33 blood group systems. Apart from ABO and Rhesus system, many other types of antigens have been noticed on the red cell membranes. Blood grouping and cross-matching is one of the few important tests that the anaesthesiologist orders during perioperative period. Hence, a proper understanding of the blood group system, their clinical significance, typing and cross-matching tests, and current perspective are of paramount importance to prevent transfusion-related complications. Nonetheless, the knowledge on blood group system is necessary to approach blood group-linked diseases which are still at the stage of research. This review addresses all these aspects of the blood groups system.
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Affiliation(s)
- Ranadhir Mitra
- Department of Neuroanaesthesiology, All India Institute of Medical Sciences, New Delhi, India
| | - Nitasha Mishra
- Department of Neuroanaesthesiology, All India Institute of Medical Sciences, New Delhi, India
| | - Girija Prasad Rath
- Department of Neuroanaesthesiology, All India Institute of Medical Sciences, New Delhi, India
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Li L, Huang X, Liu W, Shen W. Control performance of paper-based blood analysis devices through paper structure design. ACS APPLIED MATERIALS & INTERFACES 2014; 6:21624-21631. [PMID: 25406119 DOI: 10.1021/am506618c] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
In this work, we investigated the influence of paper structure on the performance of paper-based analytical devices that are used for blood analysis. The question that we aimed to answer is how the fiber type (i.e., softwood and hardwood fibers) influences the fiber network structure of the paper, which affects the transport of red blood cells (RBCs) in paper. In the experimental design, we isolated the influence of fiber types on the paper structure from all other possible influencing factors by removing the fines from the pulps and not using any additives. Mercury porosimetry was employed to characterize the pore structures of the paper sheets. The results show that papers with a low basis weight that are made with short hardwood fibers have a higher porosity (i.e., void fraction) and simpler pore structures compared with papers made with long softwood fibers. RBC transport in paper carried by saline solution was investigated in two modes: lateral chromatographic elution and vertical flow-through. The results showed that the complexity of the paper's internal pore structure has a dominant influence on the transport of RBCs in paper. Hardwood fiber sheets with a low basis weight have a simple internal pore structure and allow for the easy transport of RBCs. Blood-typing sensors built with low basis weight hardwood fibers deliver high-clarity assays. Softwood fiber papers are found to have a more complex pore structure, which makes RBC transport more difficult, leading to blood-typing results of low clarity. This study provides the principle of paper sheet design for paper-based blood analysis sensors.
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Affiliation(s)
- Lizi Li
- Department of Chemical Engineering, Monash University, Clayton Campus , Clayton, VIC 3800, Australia
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Hart S, Cserti-Gazdewich CM, McCluskey SA. Red cell transfusion and the immune system. Anaesthesia 2014; 70 Suppl 1:38-45, e13-6. [DOI: 10.1111/anae.12892] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/21/2014] [Indexed: 01/28/2023]
Affiliation(s)
- S. Hart
- Department of Anaesthesia and Pain Management; Toronto General Hospital; University Health Network; Toronto Ontario Canada
| | - C. M. Cserti-Gazdewich
- Department of Haematology; Toronto General Hospital; University Health Network; Toronto Ontario Canada
| | - S. A. McCluskey
- Department of Anaesthesia and Pain Management; Toronto General Hospital; University Health Network; Toronto Ontario Canada
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Then WL, Li M, McLiesh H, Shen W, Garnier G. The detection of blood group phenotypes using paper diagnostics. Vox Sang 2014; 108:186-96. [DOI: 10.1111/vox.12195] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2014] [Revised: 08/12/2014] [Accepted: 08/13/2014] [Indexed: 12/01/2022]
Affiliation(s)
- W. L. Then
- Department of Chemical Engineering; BioPRIA; Australian Pulp and Paper Institute (APPI); Monash University; Clayton Vic. Australia
| | - M. Li
- Department of Chemical Engineering; BioPRIA; Australian Pulp and Paper Institute (APPI); Monash University; Clayton Vic. Australia
| | - H. McLiesh
- Department of Chemical Engineering; BioPRIA; Australian Pulp and Paper Institute (APPI); Monash University; Clayton Vic. Australia
| | - W. Shen
- Department of Chemical Engineering; BioPRIA; Australian Pulp and Paper Institute (APPI); Monash University; Clayton Vic. Australia
| | - G. Garnier
- Department of Chemical Engineering; BioPRIA; Australian Pulp and Paper Institute (APPI); Monash University; Clayton Vic. Australia
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Chen Q, Li J, Xiao J, Du L, Li M, Yao G. Molecular genetic analysis and structure model of a rare B(A)02 subgroup of the ABO blood group system. Transfus Apher Sci 2014; 51:203-8. [PMID: 25217989 DOI: 10.1016/j.transci.2014.08.023] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2014] [Revised: 08/08/2014] [Accepted: 08/25/2014] [Indexed: 10/24/2022]
Abstract
BACKGROUND Serological analysis of ABO blood group has been widely applied in transfusion medicine. However, ABO subgroups with different expression of blood group antigens sometimes cannot be determined by serological methods. Therefore, genotyping is useful to understand the variant ABO phenotypes. MATERIAL AND METHODS Exon 6 to exon 7 and adjacent introns of the ABO gene from a donor with ABO typing discrepancy were amplified and sequenced. Cloning sequencing was also performed to identify the allele. To explore the effect of mutation, three dimensional model of mutant p.Pro234Ala was built and optimized. RESULTS The variant B (c. 700C > G) allele expressed an AweakB phenotype with anti-A in his serum with a ABO*B(A)02/O02 heterozygote genotype. Cloning sequencing confirmed that the c.700C > G single nucleotide polymorphism was associated with a B101 allele. Three dimensional molecular modeling suggested that p.Pro234Ala might affect the conformation of His233, Met266 and Ala268, which were known as critical residues for donor recognition. CONCLUSION ABO genotyping is needed for correct identification subgroups to improve accuracy evaluation of blood typing and increase the safety of blood transfusion. Alteration of DNA sequence in the ABO gene resulted in amino acid substitutions and led to a weak or missing expression of ABO antigens.
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Affiliation(s)
- Qing Chen
- Jiangsu Province Blood Center, Nanjing 210042, China
| | - Jiahuang Li
- The State Key Laboratory of Pharmaceutical Biotechnology, School of Life Science, Nanjing University, Nanjing 210093, China
| | - Jianyu Xiao
- Jiangsu Province Blood Center, Nanjing 210042, China
| | - Leilei Du
- Department of Medical Mycology, Institute of Dermatology, Chinese Academy of Medical Science, Peking Union Medical College, Nanjing 210042, China
| | - Min Li
- Department of Medical Mycology, Institute of Dermatology, Chinese Academy of Medical Science, Peking Union Medical College, Nanjing 210042, China
| | - Genhong Yao
- Department of Rheumatology and Immunology, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing 210008, China.
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He J, Ying Y, Hong X, Xu X, Zhu F, Lv H. Molecular basis and zygosity determination of D variants including identification of four novel alleles in Chinese individuals. Transfusion 2014; 55:137-43. [PMID: 25070883 DOI: 10.1111/trf.12797] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2013] [Revised: 05/23/2014] [Accepted: 06/01/2014] [Indexed: 11/29/2022]
Abstract
BACKGROUND The frequency and molecular basis of the D variants have been reported in the Caucasian and African populations, but relatively little information was known in the Chinese population. Here, a study was investigated in Chinese persons with weak or discrepant D serologic typing. STUDY DESIGN AND METHODS D variant was typed with a serologic method. The full coding regions of RHD of these variants were amplified with polymerase chain reaction and then directly sequenced. RHD zygosity test was performed using the hybrid Rhesus box technique and a multiplex ligation-dependent probe amplification (MLPA) assay was also used to analyze the variant alleles and RHD gene copy number. RESULTS Twelve distinct RHD mutation alleles were found in 32 D variant individuals, with eight weak D and four partial D alleles. Weak D Type 15 and DVI Type 3 were the major weak D and partial D alleles in Zhejiang Han persons. Three novel weak D alleles (RHD weak D 95A, 779G, and 670G) and one new partial D allele (RHD130-132 del TCT) were identified. The results of RHD zygosity in three individuals disagreed between the RHD zygosity test and the MLPA assay. The most known variant alleles can be detected, but four novel alleles were missed using the RH-MLPA assay. CONCLUSION The molecular basis and zygosity of D variants in Zhejiang Han persons were analyzed, and four novel RHD alleles were identified. These data extend the information of D variants and may help to improve the transfusion strategy of the D variants.
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Affiliation(s)
- Ji He
- Blood Center of Zhejiang Province, Hangzhou, Zhejiang, People's Republic of China; Key Laboratory of Blood Safety Research, Ministry of Health, Hangzhou, Zhejiang, People's Republic of China
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Li M, Then WL, Li L, Shen W. Paper-based device for rapid typing of secondary human blood groups. Anal Bioanal Chem 2013; 406:669-77. [DOI: 10.1007/s00216-013-7494-9] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2013] [Revised: 11/04/2013] [Accepted: 11/06/2013] [Indexed: 12/11/2022]
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Mavanga NM, Boemer F, Seidel L, Malafu AN, Gothot A, Gerard C. Blood groups, hemoglobin phenotypes and clinical disorders of consanguineous Yansi population. World J Hematol 2013; 2:109-114. [DOI: 10.5315/wjh.v2.i4.109] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/06/2013] [Revised: 10/08/2013] [Accepted: 10/18/2013] [Indexed: 02/05/2023] Open
Abstract
AIM: To study frequency of blood groups, prevalence of sickle-cell anemia trait and glucose-6-phosphate dehydrogenase deficiency (G6PD), among consanguineous Yansi tribe.
METHODS: A total of 525 blood samples were collected, of which 256 among the Yansi population, and 269 for the unrelated control group in the Bandundu province of Democratic Republic of Congo. Blood group antigens were determined in the following systems: ABO, Rh, Kell, Duffy, Kidd and MNS. Blood grouping and extended phenotype tests were performed according to standard immunohematological procedures. Spot tests and tandem mass spectrometry were used respectively for the assessment of G6PD and sickle-cell anemia trait.
RESULTS: The frequency of ABO phenotypes conformed to the following order O>A>B>AB with notably 62.5%, 23.8%, 12.1% and 1.6% for the Yansi, and 54.6%, 27.5%, 14.1% and 3.7% for the unrelated control group, respectively (P = 0.19). As for the Rh phenotypes, the most frequent were ccD.ee, ccD.Ee, CcD.ee, corresponding to 71.5%, 12.1% and 12.1% for the Yansi, and 70.6%, 15.6% and 8.2%, for the unrelated control group (P = 0.27). The frequency of MN and Ss phenotypes were statistically different between groups (P = 0.0021 and P = 0.0006). G6PD was observed in 11.3% of subjects in the Yansi group, and in 12.4% of controls (P = 0.74). The sickle-cell anemia trait was present in 22.4% of Yansi subjects and 17.8% in the control group (P = 0.24). Miscarriages and deaths in young age were more common among Yansi people.
CONCLUSION: This study shows a significant difference in MNS blood group distribution between the Yansi tribe and a control population. The distribution of other blood groups and the prevalence of hemoglobinopathies did not differ in the Yansi tribe.
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Matteocci A, Pierelli L. Red blood cell alloimmunization in sickle cell disease and in thalassaemia: current status, future perspectives and potential role of molecular typing. Vox Sang 2013; 106:197-208. [PMID: 24117723 DOI: 10.1111/vox.12086] [Citation(s) in RCA: 73] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2012] [Revised: 07/18/2013] [Accepted: 08/21/2013] [Indexed: 01/19/2023]
Abstract
Red blood cell (RBC) transfusions are a milestone in the treatment for sickle cell anaemia (SSA) and for thalassaemia. RBC alloimmunization remains a major challenge of chronic transfusion therapy, and it can lead to adverse life-threatening events. The alloimmunization risk could depend on multiple factors such as the number of transfusions and, most of all, the genetic background. Different ethnic groups are predisposed to immunization because of a significant degree of RBC antigenic mismatch between donor and recipient. There is no universal agreement and standards for the most appropriate selection of RBC units in chronically transfused subjects. Current practice only deals with compatibility of ABO, Rh and K antigens. Molecular RBC antigenic matching extended to other blood group systems is an innovative strategy to ensure a better quality and effectiveness of transfusion therapy.
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Affiliation(s)
- A Matteocci
- Immunohematology and Transfusion Medicine Unit, Transfusion Medicine Department, San Camillo Forlanini Hospital, Rome, Italy
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40
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Haer-Wigman L, Ji Y, Lodén M, de Haas M, van der Schoot CE, Veldhuisen B. Comprehensive genotyping for 18 blood group systems using a multiplex ligation-dependent probe amplification assay shows a high degree of accuracy. Transfusion 2013; 53:2899-909. [PMID: 23992446 DOI: 10.1111/trf.12410] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2013] [Revised: 07/23/2013] [Accepted: 08/05/2013] [Indexed: 11/28/2022]
Abstract
BACKGROUND In recent years genotyping methods have been implemented in blood banks as alternative to comprehensive serologic typing. We evaluated a newly developed assay for convenient and comprehensive genotyping of blood group alleles based on multiplex ligation-dependent probe amplification (MLPA) technology. STUDY DESIGN AND METHODS We analyzed 103 random and 150 selected samples to validate the specificity of the blood-MLPA assay that is able to determine the presence, absence, and copy number of 48 blood group and 112 variant alleles of 18 blood group systems. A total of 4038 serologic typing results, including 52 different antigens, were available for these samples. RESULTS In 4018 (99.5%) of the 4038 serologic typing results the predicted phenotypes by the blood-MLPA were in concordance with serologic typing. Twenty discordant results were due to false-positive serologic results (n = 2), false-negative serologic results (n = 1), inability of routine serologic typing to detect variant antigens (n = 14), or false-positive prediction from the blood-MLPA due to the presence of a null allele (n = 3). CONCLUSION The blood-MLPA reliably predicts the presence or absence of blood group antigens, including almost all clinically relevant blood group antigens, except ABO, in patients and donors. Furthermore, it is the first assay that determines copy numbers of blood group alleles in the same test. It even provides more detailed and accurate information than serologic typing, because most variant alleles are immediately recognized. Since only standard laboratory equipment is needed, this assay finally offers the possibility to comprehensively type recipients and makes extensive matching for selected patients groups more feasible.
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Affiliation(s)
- Lonneke Haer-Wigman
- Sanquin Research, Amsterdam and Landsteiner Laboratory, Academic Medical Centre, University of Amsterdam, Amsterdam, the Netherlands
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Li X, Wu Z, Fu X, Han W. How Far Are Stem-Cell-Derived Erythrocytes from the Clinical Arena? Bioscience 2013. [DOI: 10.1525/bio.2013.63.8.6] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
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Edinur HA, Dunn PPJ, Lea RA, Chambers GK. Molecular approaches to transfusion medicine in Polynesians and Maori in New Zealand. Int J Immunogenet 2013; 40:460-70. [PMID: 23870060 DOI: 10.1111/iji.12073] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2013] [Revised: 04/16/2013] [Accepted: 06/02/2013] [Indexed: 11/30/2022]
Abstract
In recent years, with the application of genotyping technology, there has been a substantial increase in the number of reported blood group alleles. This survey was designed to evaluate new molecular blood group genotyping methods and compile reference blood group data sets for Polynesian and Maori subjects. Subsequent analyses of these results were used to calculate probability of random match, to trace Polynesian ancestry and migration patterns and to reveal past and present episodes of genetic admixture. Genomic DNA samples from Maori and Polynesian subjects were drawn from the Victoria University of Wellington DNA Bank and genotyped using combination of commercial PCR-SSP kits, hybridization SNP assay services or sequence-based typing. This survey also involves compilation of serological ABO and Rhesus blood group data from RakaiPaaka Iwi tribal members for comparison with those generated during our molecular blood group study. We observed perfect consistency between results obtained from all molecular methods for blood group genotyping. The A, O, DCcEe, DCCee, MNs, K-k+, Jk(a+b-), Jk(a+b+), Fy(a+b-), Fy(a+b+), Di(a+b-), Co(a+b-) and Do(a-b+) were predominant blood group phenotypes in both Polynesians and Maori. Overall, our survey data show only small differences in distributions of blood group phenotypes between Polynesian and Maori groups and their subgroups. These differences might be associated with selection, population history and gene flow from Europeans. In each case, we estimate that patients with certain blood groups have a very low probability of an exact phenotypic match, even if the patients were randomly transfused with blood from donors of their own ethnicity. The best way to avoid haemolytic transfusion reaction in such cases is to perform a pretransfusion cross-match and recruit increased numbers of donors with rare phenotype profiles. The conclusion of this study is that application of molecular method covering as many known variants as possible may help to improve the accuracy blood group genotyping and potentially conserve the routine requirements of transfusion centres.
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Affiliation(s)
- H A Edinur
- School of Biological Sciences, Victoria University of Wellington, Wellington, New Zealand
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Li L, Tian J, Li M, Shen W. Superhydrophobic surface supported bioassay – An application in blood typing. Colloids Surf B Biointerfaces 2013; 106:176-80. [DOI: 10.1016/j.colsurfb.2013.01.049] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2012] [Revised: 01/15/2013] [Accepted: 01/18/2013] [Indexed: 11/28/2022]
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Chapanian R, Constantinescu I, Medvedev N, Scott MD, Brooks DE, Kizhakkedathu JN. Therapeutic Cells via Functional Modification: Influence of Molecular Properties of Polymer Grafts on In Vivo Circulation, Clearance, Immunogenicity, and Antigen Protection. Biomacromolecules 2013; 14:2052-62. [DOI: 10.1021/bm4003943] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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Shafiee A, Nazari S, Mogharreban M, Koupaei MTS. Evaluating medical interns’ knowledge of common blood transfusion complications. Transfus Apher Sci 2013; 48:253-6. [PMID: 23422650 DOI: 10.1016/j.transci.2013.01.004] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2011] [Revised: 09/22/2012] [Accepted: 01/10/2013] [Indexed: 11/28/2022]
Affiliation(s)
- Akbar Shafiee
- Department of Cardiovascular Research, Tehran Heart Center, Tehran University of Medical Sciences, Tehran, Iran
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The Lombardy Rare Donor Programme. BLOOD TRANSFUSION = TRASFUSIONE DEL SANGUE 2013; 12 Suppl 1:s249-55. [PMID: 23522888 DOI: 10.2450/2013.0182-12] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Received: 08/09/2012] [Accepted: 11/12/2012] [Indexed: 12/19/2022]
Abstract
BACKGROUND In 2005, the government of Lombardy, an Italian region with an ethnically varied population of approximately 9.8 million inhabitants including 250,000 blood donors, founded the Lombardy Rare Donor Programme, a regional network of 15 blood transfusion departments coordinated by the Immunohaematology Reference Laboratory of the Ca' Granda Ospedale Maggiore Policlinico in Milan. During 2005 to 2012, Lombardy funded LORD-P with 14.1 million euros. MATERIALS AND METHODS During 2005-2012 the Lombardy Rare Donor Programme members developed a registry of blood donors and a bank of red blood cell units with either rare blood group phenotypes or IgA deficiency. To do this, the Immunohaematology Reference Laboratory performed extensive serological and molecular red blood cell typing in 59,738 group O or A, Rh CCDee, ccdee, ccDEE, ccDee, K- or k- donors aged 18-55 with a record of two or more blood donations, including both Caucasians and ethnic minorities. In parallel, the Immunohaematology Reference Laboratory implemented a 24/7 service of consultation, testing and distribution of rare units for anticipated or emergent transfusion needs in patients developing complex red blood cell alloimmunisation and lacking local compatible red blood cell or showing IgA deficiency. RESULTS Red blood cell typing identified 8,747, 538 and 33 donors rare for a combination of common antigens, negative for high-frequency antigens and with a rare Rh phenotype, respectively. In June 2012, the Lombardy Rare Donor Programme frozen inventory included 1,157 red blood cell units. From March 2010 to June 2012 one IgA-deficient donor was detected among 1,941 screened donors and IgA deficiency was confirmed in four previously identified donors. From 2005 to June 2012, the Immunohaematology Reference Laboratory provided 281 complex red blood cell alloimmunisation consultations and distributed 8,008 Lombardy Rare Donor Programme red blood cell units within and outside the region, which were transfused to 2,365 patients with no untoward effects. DISCUSSION Lombardy Rare Donor Programme, which recently joined the ISBT Working Party on Rare Donors, contributed to increase blood transfusion safety and efficacy inside and outside Lombardy.
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Chapanian R, Constantinescu I, Brooks DE, Scott MD, Kizhakkedathu J. Antigens protected functional red blood cells by the membrane grafting of compact hyperbranched polyglycerols. J Vis Exp 2013:50075. [PMID: 23328980 DOI: 10.3791/50075] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022] Open
Abstract
Red blood cell (RBC) transfusion is vital for the treatment of a number of acute and chronic medical problems such as thalassemia major and sickle cell anemia. Due to the presence of multitude of antigens on the RBC surface (~308 known antigens), patients in the chronic blood transfusion therapy develop alloantibodies due to the miss match of minor antigens on transfused RBCs. Grafting of hydrophilic polymers such as polyethylene glycol (PEG) and hyperbranched polyglycerol (HPG) forms an exclusion layer on RBC membrane that prevents the interaction of antibodies with surface antigens without affecting the passage of small molecules such as oxygen, glucose, and ions. At present no method is available for the generation of universal red blood donor cells in part because of the daunting challenge presented by the presence of large number of antigens (protein and carbohydrate based) on the RBC surface and the development of such methods will significantly improve transfusion safety, and dramatically improve the availability and use of RBCs. In this report, the experiments that are used to develop antigen protected functional RBCs by the membrane grafting of HPG and their characterization are presented. HPGs are highly biocompatible compact polymers, and are expected to be located within the cell glycocalyx that surrounds the lipid membrane and mask RBC surface antigens.
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Affiliation(s)
- Rafi Chapanian
- Centre for Blood Research, University of British Columbia
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Li L, Tian J, Ballerini D, Li M, Shen W. A study of the transport and immobilisation mechanisms of human red blood cells in a paper-based blood typing device using confocal microscopy. Analyst 2013; 138:4933-40. [DOI: 10.1039/c3an00810j] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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49
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Clinically significant anti M antibodies – A report of two cases. Transfus Apher Sci 2012; 47:259-61. [DOI: 10.1016/j.transci.2012.07.023] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2011] [Accepted: 07/30/2012] [Indexed: 11/23/2022]
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Red blood cell microparticles and blood group antigens: an analysis by flow cytometry. BLOOD TRANSFUSION = TRASFUSIONE DEL SANGUE 2012; 10 Suppl 2:s39-45. [PMID: 22890266 DOI: 10.2450/2012.007s] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
BACKGROUND The storage of blood induces the formation of erythrocytes-derived microparticles. Their pathogenic role in blood transfusion is not known so far, especially the risk to trigger alloantibody production in the recipient. This work aims to study the expression of clinically significant blood group antigens on the surface of red blood cells microparticles. MATERIAL AND METHODS Red blood cells contained in erythrocyte concentrates were stained with specific antibodies directed against blood group antigens and routinely used in immunohematology practice. After inducing erythrocytes vesiculation with calcium ionophore, the presence of blood group antigens was analysed by flow cytometry. RESULTS The expression of several blood group antigens from the RH, KEL, JK, FY, MNS, LE and LU systems was detected on erythrocyte microparticles. The presence of M (MNS1), N (MNS2) and s (MNS4) antigens could not be demonstrated by flow cytometry, despite that glycophorin A and B were identified on microparticles using anti-CD235a and anti-MNS3. DISCUSSION We conclude that blood group antigens are localized on erythrocytes-derived microparticles and probably keep their immunogenicity because of their capacity to bind specific antibody. Selective segregation process during vesiculation or their ability to elicit an immune response in vivo has to be tested by further studies.
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