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Muhie NS. Joint clinical determinants for bivariate hematological parameter among TB/HIV co-infected adults under TB/HIV treatment in university of Gondar comprehensive specialized hospital: Retrospective panel data study. BMC Res Notes 2024; 17:150. [PMID: 38824610 PMCID: PMC11143627 DOI: 10.1186/s13104-024-06808-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2024] [Accepted: 05/20/2024] [Indexed: 06/03/2024] Open
Abstract
BACKGROUND Worldwide ranking above HIV/AIDS, tuberculosis is continues to have a significant effect on public health and the leading cause of death due to high progression of HIV. The objective of current study was identify joint clinical determinants that affecting bivariate hematological parameter among TB/HIV co-infected adults under TB/HIV treatment in university of Gondar comprehensive specialized hospital. METHOD The result of these study was conducted at university of Gondar comprehensive specialized hospital, Gondar, Ethiopia by using a retrospective cohort follow up study from September 2015-march 2022 G.C. The source of data in this study was secondary data obtained from patients chart. Bayesian approach of longitudinal linear mixed effect sub model was used in panel data set to get wide range of information about TB/HIV co-infected patients. RESULT Out of 148 co-infected participants more than half of the patients (56.1%) and (52.7%) accounted for CPT and INH non users, of which 10.8% and 10.3% had the outcome of mortality respectively. The random intercept and slope model were selected for repeated measure hemoglobin level and hematocrit based on deviance information criteria (DIC), and probability of direction (Pd) under the full model. CONCLUSION Current study revealed that clinical predictors red blood cell count, platelet cell count, fair and good treatment adherence, other ART regiment, IPT drug users, and viral load count < 10,000 copies/mL, were associated with high hemoglobin level concentration while, lymphocyte count, WHO clinical stage-IV,1e ART regiment, and patients with OIs results for low hemoglobin level concentration. Likewise, red blood cell count, platelet cell count, fair and good treatment adherence, IPT drug users, and viral load count < 10,000 copies/mL co-infected patients had high hematocrit, while lymphocyte count, WHO clinical stage-III,1c ART regiment, and patients with OIs significantly leads to low hematocrit. Health professionals give more attention to these important predictors to reduce progression of disease when the co-infected patients come back again in the hospital. In addition, health staff should conduct health related education for individuals to examine continuous check-up of co-infected patients.
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Affiliation(s)
- Nurye Seid Muhie
- Department of Statistics, Mekdela Amba University, Tulu Awulia, Ethiopia.
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Yang K, Liu X, Chen K, Luo S, Kong W, Huang W, Xiao J. A case of G6PD Utrecht associated with β-thalassemia responding to splenectomy. Pediatr Blood Cancer 2022; 69:e29837. [PMID: 35695473 DOI: 10.1002/pbc.29837] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Revised: 04/23/2022] [Accepted: 05/23/2022] [Indexed: 11/07/2022]
Abstract
Glucose-6-phosphate dehydrogenase (G6PD) deficiency is an X-linked genetic disease caused by a pathogenic G6PD mutation. An 8-year-old Chinese male child was investigated because of chronic nonspherocytic hemolytic anemia (CNSHA) associated with hepatosplenomegaly. Genetic analysis unraveled co-inheritance of a hemizygous mutation c.1225C>T (p.Pro409Ser) in G6PD (G6PD Utrecht, previously reported only in The Netherlands) and heterozygote HBB mutation c.316-197C>T (IVS-Ⅱ-654 C>T). Because IVS-Ⅱ-654 C>T on its own does not cause CNSHA, we believe that the clinical manifestations in this patient are essentially due to the G6PD c.1225C>T mutation. The boy gained transfusion independence after splenectomy.
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Affiliation(s)
- Kun Yang
- Department of Hematology, Zigong First People's Hospital, Zigong, China
| | - Xiaodong Liu
- Department of Hematology, Zigong First People's Hospital, Zigong, China
| | - Kai Chen
- Department of Critical Medicine, Zigong First People's Hospital, Zigong, China
| | - Shan Luo
- Department of Hematology, Zigong First People's Hospital, Zigong, China
| | - Wenqiang Kong
- Department of Pharmacy, Zigong First People's Hospital, Zigong, China
| | - Wenying Huang
- Department of Hematology, Zigong First People's Hospital, Zigong, China
| | - Jian Xiao
- Department of Hematology, Zigong First People's Hospital, Zigong, China
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Ren ZM, Xing ZH, Chen SL, Fu XY, Chen YS, Li DF. Identification of a Novel Hb H Disease with Glucose-6-Phosphate Dehydrogenase Deficiency Using Whole Genome Sequencing. Hemoglobin 2022; 46:160-163. [PMID: 35582759 DOI: 10.1080/03630269.2022.2070072] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
With the development of sequencing technology, more and more rare thalassemia types have been found. In this article, we found a novel Hb H disease combined with glucose-6-phosphate dehydrogenase (G6PD) deficiency through whole genome sequencing (WGS), which was verified by Sanger sequencing and polymerase chain reaction (PCR)-reverse dot-blot hybridization, respectively.
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Affiliation(s)
- Zhen-Min Ren
- Department of Laboratory Medicine, Shenzhen Children's Hospital, Shenzhen, Guangdong Province, People's Republic of China
| | - Zhi-Hao Xing
- Department of Laboratory Medicine, Shenzhen Children's Hospital, Shenzhen, Guangdong Province, People's Republic of China
| | - Shi-Lin Chen
- Aegicare Technology Co. Ltd., Shenzhen, Guangdong Province, People's Republic of China
| | - Xiao-Ying Fu
- Department of Laboratory Medicine, Shenzhen Children's Hospital, Shenzhen, Guangdong Province, People's Republic of China
| | - Yun-Sheng Chen
- Department of Laboratory Medicine, Shenzhen Children's Hospital, Shenzhen, Guangdong Province, People's Republic of China
| | - De-Fa Li
- Department of Laboratory Medicine, Shenzhen Children's Hospital, Shenzhen, Guangdong Province, People's Republic of China
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Rizo-delaTorre LDC, Herrera-Tirado IM, Hernández-Peña R, Ibarra-Cortés B, Perea-Díaz FJ. Hematological and molecular analysis of patients with G6PD deficiency revealed coexistent hereditary spherocytosis and alpha thalassemia. Ann Hum Genet 2021; 86:87-93. [PMID: 34844289 DOI: 10.1111/ahg.12451] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Revised: 11/04/2021] [Accepted: 11/09/2021] [Indexed: 11/29/2022]
Abstract
BACKGROUND Glucose-6-phosphate dehydrogenase (G6PD) deficiency, hereditary spherocytosis (HS), and alpha thalassemia (α-thal) are frequent erythrocyte pathologies with different geographic distributions worldwide. Our aim is to report hematological and molecular findings of G6PD deficient Mexican patients in coinheritance with suggestive hereditary spherocytosis (sHS) and α-thal. METHODS We studied 78 G6PD deficiency patients. Hematological parameters, acidified glycerol lysis test, erythrocyte morphology, electrophoresis, and hemoglobin quantification were obtained. G6PD and HBA2/HBA1 variants were identified using ARMS-PCR, Gap-PCR, or Sanger sequencing. RESULTS Nine G6PD variants were identified; A-202A/376G , A-376G/968C , and A+376G as the most frequent. G6PD Santiago de Cuba1339A and Kamiube1387T were detected in Mexicans for first time. Hematological analysis revealed additional erythrocyte pathologies in 52 patients, 32 with positive osmotic fragility test and spherocytes in blood smear (suggestive hereditary spherocytosis, sHS), 12 with microcytosis and 8 with all three defects who had the most severe phenotype, with significantly lower hematological parameters (Hb, PCV, MCV, and MCH). α-thal variants (αHph α, α-59C>T α and -α3.7 ) were observed in 65% of patients with microcytosis. CONCLUSION Additional erythrocyte defects were observed in 69.3% of G6PD deficiency patients. We stress the importance of searching for the presence of additional erythrocyte hereditary diseases in patients with G6PD deficiency.
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Affiliation(s)
- Lourdes Del Carmen Rizo-delaTorre
- División de Medicina Molecular. Centro de Investigación Biomédica de Occidente, Instituto Mexicano del Seguro Social, Guadalajara, Jalisco, México
| | - Isis Mariela Herrera-Tirado
- Doctorado en Genética Humana, Centro Universitario de Ciencias de la Salud. Universidad de Guadalajara, Guadalajara, Jalisco, México.,División de Genética. Centro de Investigación Biomédica de Occidente, Instituto Mexicano del Seguro Social, Guadalajara, Jalisco, México
| | - Rubiceli Hernández-Peña
- Doctorado en Genética Humana, Centro Universitario de Ciencias de la Salud. Universidad de Guadalajara, Guadalajara, Jalisco, México.,División de Genética. Centro de Investigación Biomédica de Occidente, Instituto Mexicano del Seguro Social, Guadalajara, Jalisco, México
| | - Bertha Ibarra-Cortés
- Doctorado en Genética Humana, Centro Universitario de Ciencias de la Salud. Universidad de Guadalajara, Guadalajara, Jalisco, México.,Instituto de Genética Humana "Dr Enrique Corona Rivera". Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara, Jalisco, México
| | - Francisco Javier Perea-Díaz
- División de Genética. Centro de Investigación Biomédica de Occidente, Instituto Mexicano del Seguro Social, Guadalajara, Jalisco, México
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Ebel ER, Kuypers FA, Lin C, Petrov DA, Egan ES. Common host variation drives malaria parasite fitness in healthy human red cells. eLife 2021; 10:e69808. [PMID: 34553687 PMCID: PMC8497061 DOI: 10.7554/elife.69808] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2021] [Accepted: 09/22/2021] [Indexed: 12/11/2022] Open
Abstract
The replication of Plasmodium falciparum parasites within red blood cells (RBCs) causes severe disease in humans, especially in Africa. Deleterious alleles like hemoglobin S are well-known to confer strong resistance to malaria, but the effects of common RBC variation are largely undetermined. Here, we collected fresh blood samples from 121 healthy donors, most with African ancestry, and performed exome sequencing, detailed RBC phenotyping, and parasite fitness assays. Over one-third of healthy donors unknowingly carried alleles for G6PD deficiency or hemoglobinopathies, which were associated with characteristic RBC phenotypes. Among non-carriers alone, variation in RBC hydration, membrane deformability, and volume was strongly associated with P. falciparum growth rate. Common genetic variants in PIEZO1, SPTA1/SPTB, and several P. falciparum invasion receptors were also associated with parasite growth rate. Interestingly, we observed little or negative evidence for divergent selection on non-pathogenic RBC variation between Africans and Europeans. These findings suggest a model in which globally widespread variation in a moderate number of genes and phenotypes modulates P. falciparum fitness in RBCs.
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Affiliation(s)
- Emily R Ebel
- Department of Biology, Stanford UniversityStanfordUnited States
- Department of Pediatrics, Stanford University School of MedicineStanfordUnited States
| | - Frans A Kuypers
- Children's Hospital Oakland Research InstituteOaklandUnited States
| | - Carrie Lin
- Department of Pediatrics, Stanford University School of MedicineStanfordUnited States
| | - Dmitri A Petrov
- Department of Biology, Stanford UniversityStanfordUnited States
| | - Elizabeth S Egan
- Department of Pediatrics, Stanford University School of MedicineStanfordUnited States
- Department of Microbiology & Immunology, Stanford University School of MedicineStanfordUnited States
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Arpaci A, Gul BU, Ozcan O, Ilhan G, El C, Dirican E, Elmacioglu S, Kaya H. Presentation of two new mutations in the 3'untranslated region of the β-globin gene and evaluating the molecular spectrum of thalassemia mutations in the Mediterranean region of Turkey. Ann Hematol 2021; 100:1429-1438. [PMID: 33851260 DOI: 10.1007/s00277-021-04509-9] [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: 10/19/2020] [Accepted: 04/03/2021] [Indexed: 12/01/2022]
Abstract
Thalassemia is a common genetic disorder. We aimed to present thalassemia mutation data that covers a period of 7 years from the Mediterranean region of Turkey by comparing with hemoglobin indices and to contribute to prenatal diagnosis and genetic counseling studies which should be decided very quickly. In this study, in which a retrospective archive was scanned, the cases were first grouped as α and β thalassemia, and then β thalassemia mutations were examined in a total of 5 groups as UTR-Pro, Codon, IVS, β0, and β+. We have reached the family of the proband that analyzed their Hb indices and genetic mutation. All mutations were statistically compared with Hb indices, HbF, and HbA2. We have identified two new β thalassemia mutations that have the feature of not being defined previously [HBB:C*62 A>G. (3'UTR+1536 A>G) and HBB:C*1 G>A (3'UTR+1475 G>A)]. The most commonly encountered 23 mutations account for 74.7% of all mutations which is unlike the literature. In the β thalassemia group, 73 different mutations were detected. The most common β thalassemia mutation was HBB: c.93-21 G>A (IVS I-110 G>A) with a frequency of 19.72%. A statistically significant difference was found when comparing the mutation groups with Hb indices. We think that it may be useful to evaluate the mutations we have newly identified too together with the Hb indices especially in evaluating the carriers of thalassemia and it will contribute to prenatal diagnosis and genetic counseling studies which should be decided very quickly.
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Affiliation(s)
- Abdullah Arpaci
- Department of Molecular Biochemistry and Genetics, Mustafa Kemal University Faculty of Medicine, Alahan, Tayfur Sokmen Campus, 31001, Antakya/Hatay, Turkey.
| | - Bahar Unlu Gul
- Department of Medical Biochemistry, Mustafa Kemal University Faculty of Medicine, Hatay, Turkey
| | - Oguzhan Ozcan
- Department of Medical Biochemistry, Mustafa Kemal University Faculty of Medicine, Hatay, Turkey
| | - Gul Ilhan
- Internal Medicine and Hematology, Mustafa Kemal University Faculty of Medicine, Hatay, Turkey
| | - Cigdem El
- Department of Pediatrics, Mustafa Kemal University Faculty of Medicine, Hatay, Turkey
| | - Emre Dirican
- Department of Biostatistics and Medical Informatics, Mustafa Kemal University Faculty of Medicine, Hatay, Turkey
| | - Sibel Elmacioglu
- Central Laboratory, Medical Genetic Unit, Mustafa Kemal University Faculty of Medicine, Hatay, Turkey
| | - Hasan Kaya
- Internal Medicine and Hematology, Mustafa Kemal University Faculty of Medicine, Hatay, Turkey
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Noulsri E, Lerdwana S, Palasuwan D, Palasuwan A. Cell-Derived Microparticles in Blood Products from Blood Donors Deficient in Glucose-6-Phosphate Dehydrogenase. Lab Med 2021; 52:528-535. [PMID: 33693844 DOI: 10.1093/labmed/lmab007] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
OBJECTIVE To quantitate the microparticles (MPs) in whole blood and blood products obtained from blood donors who are deficient in glucose-6-phosphate dehydrogenase (G6PD). METHODS The current study analyzed whole blood and blood components prepared from 49 blood donors with G6PD deficiencies and 98 with G6PD-normal results. Packed red blood cells (PRBCs), platelet concentrate (PC), and plasma were prepared according to transfusion laboratory procedures. MP concentrations were determined using a flow cytometer. RESULTS Blood components prepared from donors with G6PD deficiency were characterized by higher red blood cell-derived MP (RMP) concentration in PRBCs (25,526 vs 18,738 particles/µL) but lower concentrations of platelet-derived MPs (PMPs; in whole blood and PC), leukocyte-derived MPs (LMP; in whole blood and plasma) and total MP (in PC), compared with those from donors with G6PD-normal test results. CONCLUSIONS These results suggest that differences in G6PD status may account for variation in RMP levels during processing.
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Affiliation(s)
- Egarit Noulsri
- Research Division and Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Surada Lerdwana
- Biomedical Research Incubator Unit, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Duangdao Palasuwan
- Oxidation in Red Cell Disorders and Health Task Force, Department of Clinical Microscopy, Faculty of Allied Health Sciences, Chulalongkorn University, Bangkok, Thailand
| | - Attakorn Palasuwan
- Oxidation in Red Cell Disorders and Health Task Force, Department of Clinical Microscopy, Faculty of Allied Health Sciences, Chulalongkorn University, Bangkok, Thailand
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Danquah KO, Mensah K, Nkansah C, Appiah SK, Noagbe M, Hardy Y, Ntiamoah DO, Boateng LA, Annani-Akollor ME, Owiredu EW, Debrah AY, Addai-Mensah O. Molecular Characterization of Glucose-6-Phosphate Dehydrogenase: Do Single Nucleotide Polymorphisms Affect Hematological Parameters in HIV-Positive Patients? J Trop Med 2020; 2020:5194287. [PMID: 32802082 PMCID: PMC7416277 DOI: 10.1155/2020/5194287] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2020] [Accepted: 06/19/2020] [Indexed: 11/17/2022] Open
Abstract
This descriptive, cross-sectional study aimed at evaluating the prevalence of G6PD deficiency and the 376A ⟶ G, 202G ⟶ A single nucleotide polymorphisms (SNPs) among HIV patients attending care at a teaching hospital in Ghana and determine how the SNPs affect haematological profile in HIV. A total of 200 HIV-positive Ghanaians were recruited. Venous blood samples were obtained and complete blood count, and G6PD screening and genotyping for the 376A ⟶ G, 202G ⟶ A SNPs were performed. Out of the 200 participants, 13.0% (26/200) were G6PD-deficient based on the methemoglobin reductase technique, with 1.5% (3/200) and 11.5% (23/200) presenting with partial and full enzyme defect, respectively. Among the 13.0% participants with G6PD deficiency, 19.2% (5/26), 30.8% (8/26), and 19.2% (5/26) presented with 376A ⟶ G only (enzyme activity (EA): 1.19 U/g Hb), 202G ⟶A only (EA: 1.41 U/g Hb), and G202/A376 SNPs (EA: 1.14 U/g Hb), respectively. Having the 376A ⟶ G mutation was associated not only with lower red blood cell (RBC) count (3.38 × 106/µL (3.16-3.46) vs 3.95 × 106/µL (3.53-4.41), p = 0.010) but also with higher mean cell volume (MCV) (102.90 (99.40-113.0) vs 91.10 fL (84.65-98.98), p = 0.041) and mean cell haemoglobin (MCH) (33.70 pg (32.70-38.50) vs 30.75 pg (28.50-33.35), p = 0.038), whereas possessing the 202G ⟶ A mutation was associated with higher MCV only (98.90 fL (90.95-102.35) vs 91.10 fL (84.65-98.98), p = 0.041) compared to G6PD nondeficient participants. The prevalence of G6PD deficiency among HIV patients in Kumasi, Ghana, is 13.0% prevalence, comprising 1.5% and 11.5% partial and full enzyme defect, respectively, based on the methemoglobin reductase technique among HIV patients in Ghana. Among G6PD-deficient HIV patients, the prevalence of G202/A376 SNPs is 19.2%. The 376A ⟶ G mutation is associated not only with lower RBC count but also with higher MCV and MCH, whereas the 202G ⟶ A mutation is associated with higher MCV compared to the normal G6PD population.
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Affiliation(s)
- Kwabena Owusu Danquah
- Department of Medical Diagnostics, Faculty of Allied Health Sciences, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
| | - Kofi Mensah
- Department of Medical Diagnostics, Faculty of Allied Health Sciences, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
- Department of Haematology, Komfo Anokye Teaching Hospital, Kumasi, Ghana
| | - Charles Nkansah
- Department of Medical Diagnostics, Faculty of Allied Health Sciences, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
| | - Samuel Kwasi Appiah
- Department of Medical Diagnostics, Faculty of Allied Health Sciences, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
| | - Mark Noagbe
- Department of Medical Diagnostics, Faculty of Allied Health Sciences, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
| | - Yasmine Hardy
- HIV Clinic, Komfo Anokye Teaching Hospital, Kumasi, Ghana
| | - David O. Ntiamoah
- Department of Medical Diagnostics, Faculty of Allied Health Sciences, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
- Department of Basic and Applied Biology, University of Energy and Natural Resource, Sunyani, Ghana
| | - Lillian Antwi Boateng
- Department of Medical Diagnostics, Faculty of Allied Health Sciences, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
| | - Max Efui Annani-Akollor
- Department of Molecular Medicine, School of Medicine and Dentistry, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
| | - Eddie-Williams Owiredu
- Department of Molecular Medicine, School of Medicine and Dentistry, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
| | - Alexander Yaw Debrah
- Department of Medical Diagnostics, Faculty of Allied Health Sciences, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
| | - Otchere Addai-Mensah
- Department of Medical Diagnostics, Faculty of Allied Health Sciences, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
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Diagnosis of thalassemia using fluorescence spectroscopy, auto-analyzer, and hemoglobin electrophoresis — A prospective study. J Infect Public Health 2019; 12:585-590. [DOI: 10.1016/j.jiph.2019.02.018] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2018] [Revised: 02/06/2019] [Accepted: 02/12/2019] [Indexed: 11/20/2022] Open
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10
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Banyatsuppasin W, Jindadamrongwech S, Limrungsikul A, Butthep P. Prevalence of Thalassemia and Glucose-6-Phosphate Dehydrogenase Deficiency in Newborns and Adults at the Ramathibodi Hospital, Bangkok, Thailand. Hemoglobin 2017; 41:260-266. [PMID: 29251006 DOI: 10.1080/03630269.2017.1402026] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
Thalassemias and glucose-6-phosphate dehydrogenase (G6PD) deficiency are the most common inherited blood disorders. They are distributed among populations living in malaria endemic regions resulting in survival advantage from severe malaria disease. The aims of this study were to analyze the prevalence of thalassemias and G6PD deficiency at the Ramathibodi Hospital, Bangkok, Thailand. A total of 616 adult and 174 cord blood samples were collected and analyzed for red blood cell (RBC) parameters, hemoglobin (Hb) typing and DNA analysis for G6PD mutations and α-thalassemia (α-thal). The two most prominent types of thalassemia were heterozygous Hb E (HBB: c.79G>A), (19.5% in newborns and 35.6% in adults) followed by heterozygous α-thal-2 [-α3.7 (rightward) deletion] at 18.7% in newborns and 19.5% in adults. After performing G6PD genotyping using multiplex amplification refractory mutation system-polymerase chain reaction (multiplex ARMS-PCR) for 10 G6PD mutations, the prevalence of G6PD mutation was found in 12.0% of newborns and 11.7% of adults. The G6PD Viangchan [871 (G>A)] is the most common G6PD mutation in newborns (42.9%) and adults (52.8%). In addition, coinheritance of various types of thalassemia with G6PD deficiency were found. The results indicated that heterozygous Hb E and G6PD Viangchan are predominant both in newborns and adults in this study.
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Affiliation(s)
- Wansa Banyatsuppasin
- a Department of Pathology, Faculty of Medicine , Ramathibodi Hospital, Mahidol University , Bangkok , Thailand
| | - Sumalee Jindadamrongwech
- a Department of Pathology, Faculty of Medicine , Ramathibodi Hospital, Mahidol University , Bangkok , Thailand
| | - Anchalee Limrungsikul
- b Department of Medicine, Faculty of Medicine , Ramathibodi Hospital, Mahidol University , Bangkok , Thailand
| | - Punnee Butthep
- a Department of Pathology, Faculty of Medicine , Ramathibodi Hospital, Mahidol University , Bangkok , Thailand
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