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Gao J, Lin S, Chen S, Wu Q, Zheng K, Su J, Guo Z, Duan S. Molecular Characterization of Glucose-6-Phosphate Dehydrogenase Deficiency in the Shenzhen Population. Hum Hered 2021; 85:110-116. [PMID: 34134107 DOI: 10.1159/000516808] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2021] [Accepted: 04/22/2021] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND Glucose-6-phosphate dehydrogenase (G6PD) deficiency is caused by one or more mutations in the G6PD gene on chromosome X. This study aimed to characterize the G6PD gene variant distribution in Shenzhen of Guangdong province. METHODS A total of 33,562 individuals were selected at the hospital for retrospective analysis, of which 1,213 cases with enzymatic activity-confirmed G6PD deficiency were screened for G6PD gene variants. Amplification refractory mutation system PCR was first used to screen the 6 dominant mutants in the Chinese population (c.1376G>T, c.1388G>A, c.95A>G, c.1024C>T, c.392G>T, and c.871G>A). If the 6 hotspot variants were not found, next-generation sequencing was then performed. Finally, Sanger sequencing was used to verify all the mutations. RESULTS The incidence of G6PD deficiency in this study was 3.54%. A total of 26 kinds of mutants were found in the coding region, except for c.-8-624T>C, which was in the noncoding region. c.1376G>T and c.1388G>A, both located in exon 12, were the top 2 mutants, accounting for 68.43% of all individuals. The 6 hotspot mutations had a cumulative proportion of 94.02%. CONCLUSIONS This study provided detailed characteristics of G6PD gene variants in Shenzhen, and the results would be valuable to enrich the knowledge of G6PD deficiency.
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Affiliation(s)
- Jian Gao
- Laboratory of Molecular Medicine, Shenzhen Health Development Research Center, Shenzhen, China,
| | - Sheng Lin
- Laboratory of Molecular Medicine, Shenzhen Health Development Research Center, Shenzhen, China
| | - Shiguo Chen
- Laboratory of Molecular Medicine, Shenzhen Health Development Research Center, Shenzhen, China
| | - Qunyan Wu
- Laboratory of Molecular Medicine, Shenzhen Health Development Research Center, Shenzhen, China
| | - Kaifeng Zheng
- Laboratory of Molecular Medicine, Shenzhen Health Development Research Center, Shenzhen, China
| | - Jindi Su
- Laboratory of Molecular Medicine, Shenzhen Health Development Research Center, Shenzhen, China
| | - Zhaopeng Guo
- Shenzhen Luohu Maternity and Child Healthcare Hospital, Shenzhen, China
| | - Shan Duan
- Laboratory of Molecular Medicine, Shenzhen Health Development Research Center, Shenzhen, China
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Chiu YH, Chen HJ, Chang YC, Liu YN, Kao SM, Liu MY, Weng YY, Hsiao KJ, Liu TT. Applying a multiplexed primer extension method on dried blood spots increased the detection of carriers at risk of glucose-6-phosphate dehydrogenase deficiency in newborn screening program. Clin Chim Acta 2019; 495:271-277. [PMID: 31022393 DOI: 10.1016/j.cca.2019.04.074] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2019] [Revised: 04/15/2019] [Accepted: 04/19/2019] [Indexed: 12/30/2022]
Abstract
BACKGROUND Patients with glucose-6-phosphate dehydrogenase deficiency might develop acute hemolytic anemia, chronic hemolytic anemia, and neonatal hyperbilirubinemia when exposed to high levels of oxidative stress. Severe hemolysis may occur in not only patients but also female carriers under certain conditions. However, 80%-85% of female carriers were undetected in an existing newborn screening program because of their wide-ranging levels of enzyme activity. METHODS We developed a cost- and time-efficient multiplex SNaPshot assay using dried blood spots. RESULTS By detecting 21 common mutations in Taiwan and Southeast Asia, the assay could determine 98.2% of the mutant alleles in our cohort of Taiwanese newborns. The 9 undetermined mutant alleles were consequently detected by Sanger sequencing, of which 5 unpublished variations-c.187G > A (Pingtung), c.585G > C (Tainan), c.586A > T (Changhua), c.743G > A (Chiayi), and c.1330G > A (Tainan-2)-were detected. Furthermore, 13% of mild mutations were missed in male infants whose enzyme levels at 6.1-7.0 U/gHb in the newborn screening program when set the cutoff value at 6.0 U/gHb. We therefore suggest increasing the cutoff value and applying the multiplex SNaPshot assay as the second tier for neonatal screening. CONCLUSIONS Our approach could significantly increase the detection rate of male patients and female carriers with a reasonable cost and a reasonable number of clinic referrals.
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Affiliation(s)
- Yen-Hui Chiu
- Department of Education and Research, Taipei City Hospital, Taipei, Taiwan; Department of Biotechnology and Pharmaceutical Technology, Yuanpei University of Medical Technology, Hsinchu, Taiwan
| | - Hsiao-Jan Chen
- Neonatal Screening Center, The Chinese Foundation of Health, Taipei, Taiwan
| | - Ying-Chen Chang
- Cancer Progression Research Center, National Yang-Ming University, Taipei, Taiwan
| | - Yu-Ning Liu
- Department of Education and Research, Taipei City Hospital, Taipei, Taiwan
| | - Shu-Min Kao
- Neonatal Screening Center, The Chinese Foundation of Health, Taipei, Taiwan
| | - Mei-Ying Liu
- Neonatal Screening Center, The Chinese Foundation of Health, Taipei, Taiwan
| | - Ying-Yen Weng
- Cancer Progression Research Center, National Yang-Ming University, Taipei, Taiwan
| | - Kwang-Jen Hsiao
- Department of Education and Research, Taipei City Hospital, Taipei, Taiwan; Preventive Medicine Foundation, Taipei, Taiwan.
| | - Tze-Tze Liu
- Department of Education and Research, Taipei City Hospital, Taipei, Taiwan; Cancer Progression Research Center, National Yang-Ming University, Taipei, Taiwan.
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Lin F, Lou ZY, Xing SY, Zhang L, Yang LY. The gene spectrum of glucose-6-phosphate dehydrogenase (G6PD) deficiency in Guangdong province, China. Gene 2018; 678:312-317. [PMID: 30077011 DOI: 10.1016/j.gene.2018.07.068] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2018] [Revised: 07/07/2018] [Accepted: 07/26/2018] [Indexed: 10/28/2022]
Abstract
BACKGROUND G6PD deficiency presents a higher incidence rate in southern China. Many variants of G6PD resulted from point mutations in the G6PD gene, which lead to decrease of enzyme activity. The objective of this study was to analyze the genotype of G6PD deficiency in four regions of Guangdong province. METHODS Genotype of 1756 cases with G6PD deficiency was identified by reverse dot blotting (RDB). Unidentified Genotype of the samples was further ascertained by direct DNA sequencing. RESULTS 34 genotype were found in 1756 cases of G6PD deficiency, Canton (c.1376 G>T) and Kaiping (c.1388 G>A) were the most common variants, accounting for more than 63% of G6PD deficiency individuals, and the following mutations were Gaohe (c.95 A>G), Chinese-5 (c.1024 C>T) and Chinese-4 (c.392 G>T). Two rare mutations Orisa (c.131 C>G) and IVS-5 637/638 T del have been discovered in this study. In addition, c.1311 C>T/IVS-1193 T>C polymorphism had a relatively high frequency in the normal G6PD individuals. CONCLUSIONS This study provided detailed genotypes of G6PD deficiency in Guangdong, and would be valuable for diagnosis and research of G6PD deficiency in this area.
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Affiliation(s)
- Fen Lin
- Central Laboratory, Chaozhou Central Hospital Affiliated to Southern Medical University, Chaozhou, China
| | - Zhao-Yun Lou
- Central Laboratory, Chaozhou Central Hospital Affiliated to Southern Medical University, Chaozhou, China
| | - Shao-Yi Xing
- Central Laboratory, Chaozhou Central Hospital Affiliated to Southern Medical University, Chaozhou, China
| | - Lin Zhang
- Central Laboratory, Chaozhou Central Hospital Affiliated to Southern Medical University, Chaozhou, China
| | - Li-Ye Yang
- Central Laboratory, Chaozhou Central Hospital Affiliated to Southern Medical University, Chaozhou, China.
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Fan Z, Weng X, Huang G, Pan Z, Long Z, Fan Q, Tang W, Fang L, Long J, Hu T, Huang Y, Sun L. STARD-rapid screening for the 6 most common G6PD gene mutations in the Chinese population using the amplification refractory mutation system combined with melting curve analysis. Medicine (Baltimore) 2018; 97:e0426. [PMID: 29702993 PMCID: PMC5944484 DOI: 10.1097/md.0000000000010426] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/01/2022] Open
Abstract
Dot-blot hybridization and high-resolution melting curve methods are used to detect G6PD gene mutations; however, the performance and throughput limitations of these methods hinder their use for screening large populations. For simple screening, we developed a novel approach called "Amplification Refractory Mutation System combined with Melting Curve Analysis (ARMS-MC)," which enables rapid and batch-based detection of the 6 most common G6PD mutations.In this method, we established 4 PCR reaction systems that can be used to detect the 6 most common G6PD mutations (c.95A>G, c.392G>T, c.871G>A, c.1024C>T, c.1376G>T, and c.1388G>A) in the Chinese population.The ARMS-MC method was evaluated with 174 cases of clinical G6PD-deficient samples, and the results were verified by direct sequencing at G6PD gene exons. The results showed that 170 samples had ≥1 of the 6 mutations, which accounted for 97.70% of all mutations. These results were consistent with the results of direct sequencing with 100% accuracy and specificity. Sequencing validation revealed other mutations in the 4 samples in which no mutation was detected by the ARMS-MC method.ARMS-MC provides a rapid, simple, inexpensive, and accurate screening method for detecting the most common G6PD mutations in Chinese people.
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Affiliation(s)
- Zuqian Fan
- Department of Clinical Laboratory, Qinzhou Maternal and Child Health Hospital
| | - Xunjin Weng
- Qinzhou Key Laboratory of Molecular and Cell Biology on Endemic Diseases, Qinzhou
| | - Guosheng Huang
- Qinzhou Key Laboratory of Molecular and Cell Biology on Endemic Diseases, Qinzhou
| | - Zhijian Pan
- Qinzhou Key Laboratory of Molecular and Cell Biology on Endemic Diseases, Qinzhou
| | - Zhao Long
- Qinzhou Key Laboratory of Molecular and Cell Biology on Endemic Diseases, Qinzhou
| | - Qiongying Fan
- Qinzhou Key Laboratory of Molecular and Cell Biology on Endemic Diseases, Qinzhou
- Laboratory of Medical Genetics, Qinzhou Maternal and Child Health Hospital, Guangxi, PR China
| | - Weijun Tang
- Qinzhou Key Laboratory of Molecular and Cell Biology on Endemic Diseases, Qinzhou
| | - Lin Fang
- Department of Clinical Laboratory, Qinzhou Maternal and Child Health Hospital
| | - Ju Long
- Qinzhou Key Laboratory of Molecular and Cell Biology on Endemic Diseases, Qinzhou
- Laboratory of Medical Genetics, Qinzhou Maternal and Child Health Hospital, Guangxi, PR China
| | - Tian Hu
- Department of Clinical Laboratory, Qinzhou Maternal and Child Health Hospital
| | - Yongxia Huang
- Department of Clinical Laboratory, Qinzhou Maternal and Child Health Hospital
| | - Lei Sun
- Qinzhou Key Laboratory of Molecular and Cell Biology on Endemic Diseases, Qinzhou
- Laboratory of Medical Genetics, Qinzhou Maternal and Child Health Hospital, Guangxi, PR China
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Zhang L, Yang Y, Liu R, Li Q, Yang F, Ma L, Liu H, Chen X, Yang Z, Cui L, He Y. A multiplex method for detection of glucose-6-phosphate dehydrogenase (G6PD) gene mutations. Int J Lab Hematol 2015; 37:739-45. [PMID: 26190099 DOI: 10.1111/ijlh.12405] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2015] [Accepted: 06/05/2015] [Indexed: 11/28/2022]
Abstract
INTRODUCTION Glucose-6-phosphate dehydrogenase (G6PD) deficiency is the most common human enzyme defect caused by G6PD gene mutations. This study aimed to develop a cost-effective, multiplex, genotyping method for detecting common mutations in the G6PD gene. METHODS We used a SNaPshot approach to genotype multiple G6PD mutations that are common to human populations in South-East Asia. This assay is based on multiplex PCR coupled with primer extension reactions. Different G6PD gene mutations were determined by peak retention time and colors of the primer extension products. RESULTS We designed PCR primers for multiplex amplification of the G6PD gene fragments and for primer extension reactions to genotype 11 G6PD mutations. DNA samples from a total of 120 unrelated G6PD-deficient individuals from the China-Myanmar border area were used to establish and validate this method. Direct sequencing of the PCR products demonstrated 100% concordance between the SNaPshot and the sequencing results. CONCLUSION The SNaPshot method offers a specific and sensitive alternative for simultaneously interrogating multiple G6PD mutations.
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Affiliation(s)
- L Zhang
- Department of Cell Biology and Medical Genetics, Kunming Medical University, Kunming, Yunnan Province, China
| | - Y Yang
- Department of Cell Biology and Medical Genetics, Kunming Medical University, Kunming, Yunnan Province, China
| | - R Liu
- The First Affiliated Hospital, Kunming Medical University, Kunming, Yunnan Province, China
| | - Q Li
- Department of Cell Biology and Medical Genetics, Kunming Medical University, Kunming, Yunnan Province, China
| | - F Yang
- Department of Cell Biology and Medical Genetics, Kunming Medical University, Kunming, Yunnan Province, China
| | - L Ma
- Department of Histology and Embryology, Kunming Medical University, Kunming, Yunnan Province, China
| | - H Liu
- The First Affiliated Hospital, Kunming Medical University, Kunming, Yunnan Province, China
| | - X Chen
- Kunming City Maternal and Child Health Hospital, Kunming, Yunnan Province, China
| | - Z Yang
- Department of Pathogen Biology and Immunology, Kunming Medical University, Kunming, Yunnan Province, China
| | - L Cui
- Department of Entomology, The Pennsylvania State University, University Park, Pennsylvania, USA
| | - Y He
- Department of Cell Biology and Medical Genetics, Kunming Medical University, Kunming, Yunnan Province, China
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Pan M, Lin M, Yang L, Wu J, Zhan X, Zhao Y, Wen Y, Liu G, Yang L, Cai Y. Glucose-6-phosphate dehydrogenase (G6PD) gene mutations detection by improved high-resolution DNA melting assay. Mol Biol Rep 2013; 40:3073-82. [PMID: 23275194 DOI: 10.1007/s11033-012-2381-6] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2012] [Accepted: 12/17/2012] [Indexed: 02/05/2023]
Abstract
Glucose-6-phosphate dehydrogenase (G6PD) deficiency is a common inherited disorder worldwide including southern China. G6PD gene mutations cause deficiency of the enzyme and a large spectrum of diseases. High-resolution DNA melting (HRM) assay was recently introduced as a rapid, inexpensive and effective method for genotyping. But there was a shortcoming of this method that hemizygous and homozygous genotypes were not easily distinguished from wild-types. Here we used improved HRM method for a small-scale screening of G6PD-deficient variants among people of Meizhou region. Then all amplicons were ascertained by direct DNA sequencing. These results indicated that HRM method was a major technical advance for G6PD mutations screening.
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Affiliation(s)
- Meichen Pan
- Medical Laboratory, First Affiliated Hospital of Shantou University Medical College, No. 57 Changping Road, Shantou, 515041 Guangdong, People's Republic of China.
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8
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Wan GH, Lin KK, Tsai SC, Chiu DTY. Decreased Glucose-6-PhosphateDehydrogenase (G6PD) Activity and Risk of Senile Cataract in Taiwan. Ophthalmic Epidemiol 2009; 13:109-14. [PMID: 16581614 DOI: 10.1080/09286580500545709] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
G6PD deficiency may render afflicted individuals more susceptible to certain degenerative diseases. To clarify the relationship between G6PD deficiency and cataract, blood G6PD activity was determined in patients with cataract in Taiwan. The cases and hospital-based controls were recruited from the medical outpatient department and from the physical checkup department at Chang Gung Memorial Hospital, respectively. A questionnaire survey was used to determine associations between cataracts and their risk factors. G6PD activity in fresh RBC was quantitatively measured and genomic DNA was extracted from lymphocyte nuclei. The mean blood G6PD activity among cataract patients (278.1 U/10[12] RBC) was similar to that of normals (288.0 U/10[12] RBC). No statistically significant difference in the distribution of G6PD activities as grouped by an increment of 100 U/[10, 12] RBC was observed between cataract patients and normal subjects. The predominant forms of G6PD gene mutation (cDNA 1376 G to T and 95 A to G) were both found in the patients with cataract. The adjusted odds ratio for cataract was 1.21 for every decrement of 100 U/10[12] RBC of G6PD activity in these subjects. These data indicate that G6PD activity is not a potential risk factor for senile cataract in Taiwan.
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Affiliation(s)
- Gwo-Hwa Wan
- College of Medicine, Chang Gung University, R.O.C., Kwei-Shan, Tao-Yuan, Taiwan.
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Minucci A, Giardina B, Zuppi C, Capoluongo E. Glucose-6-phosphate dehydrogenase laboratory assay: How, when, and why? IUBMB Life 2009; 61:27-34. [PMID: 18942156 DOI: 10.1002/iub.137] [Citation(s) in RCA: 91] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Glucose 6-phosphate dehydrogenase (G6PD) deficiency is the most common defect of red blood cells. Although some different laboratory techniques or methods are employed for the biochemical screening, a strict relationship between biochemists, clinicians, and molecular biologists is necessary for a definitive diagnosis. This article represents an overview on the current laboratory tests finalized to the screening or to the definitive diagnosis of G6PD-deficiency, underlying the problems regarding the biochemical and molecular identification of heterozygote females other than those regarding the standardization of the clinical and laboratory diagnostic procedures. Finally, this review is aimed to give a flow-chart for the complete diagnostic approach of G6PD-deficiency.
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Affiliation(s)
- Angelo Minucci
- Laboratory of Clinical Molecular Biology, Institute of Biochemistry and Clinical Biochemistry, Catholic University of Rome, Rome, Italy
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Development and evaluation of a reverse dot blot assay for the simultaneous detection of six common Chinese G6PD mutations and one polymorphism. Blood Cells Mol Dis 2008; 41:17-21. [PMID: 18329300 DOI: 10.1016/j.bcmd.2008.01.007] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2008] [Revised: 01/15/2008] [Accepted: 01/21/2008] [Indexed: 11/23/2022]
Abstract
Glucose-6-phosphate dehydrogenase (G6PD) deficiency is a common inherited disorder worldwide including southern China. We developed and validated a reverse dot blot (RDB) assay for the rapid and simultaneous genotyping of six mutations (c.95A>G, c.871G>A, c.1004C>T, c.1024C>T, c.1376G>T and c.1388G>A), that were common mutations in the Chinese G6PD deficiency population, and one polymorphism (c.1311C>T). Reliable genotyping of wild-type and mutant genomic DNA samples was achieved by means of a test strip onto which allele-specific oligonucleotide probe lines are fixed in parallel. This method involves a multiplex PCR amplification of three fragments in the G6PD target sequence and a manual hybridization/detection protocol. The entire procedure starting from blood sampling to the identification of mutations requires less than 6 h. The diagnostic reliability of this reverse dot blot assay was evaluated on 207 pre-typed samples by using direct DNA sequence analysis in a blind study. The reverse dot blot typing was in complete concordance with the reference method. The reverse dot blot assay was proved to be a simple, rapid, highly accurate, and cost-effective method to identify common G6PD mutations in Chinese population.
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Yang Y, Zhu Y, Li D, Li Z, Lü H, Wu J, Tang J, Tong S. Characterization of glucose-6-phosphate dehydrogenase deficiency and identification of a novel haplotype 487G>A/IVS5-612(G>C) in the Achang population of Southwestern China. ACTA ACUST UNITED AC 2007; 50:479-85. [PMID: 17653668 DOI: 10.1007/s11427-007-0072-7] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2007] [Accepted: 06/01/2007] [Indexed: 12/17/2022]
Abstract
The prevalence of glucose-6-phosphate dehydrogenase (G6PD) deficiency and its gene mutations were studied in the Achang population from Lianghe County in Southwestern China. We found that 7.31% (19 of 260) males and 4.35% (10 of 230) females had G6PD deficiency. The molecular analysis of G6PD gene exons 2-13 was performed by a PCR-DHPLC-Sequencing or PCR-Sequencing. Sixteen independent subjects with G6PD Mahidol (487G>A) and the new polymorphism IVS5-612 (G>C), which combined into a novel haplotype, were identified accounting for 84.2% (16/19). And 100% Achang G6PD Mahidol were linked to the IVS5-612 C. The percentage of G6PD Mahidol in the Achang group is close to that in the Myanmar population (91.3% 73/80), which implies that there are some gene flows between Achang and Myanmar populations. Interestingly, G6PD Canton (1376G>T) and G6PD Kaiping (1388G>A), which were the most common G6PD variants from other ethnic groups in China, were not found in this Achang group, suggesting that there are different G6PD mutation profiles in the Achang group and other ethnic groups in China. Our findings appear to be the first documented report on the G6PD genetics of the AChang people, which will provide important clues to the Achang ethnic group origin and will help prevention and treatment of malaria in this area.
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Affiliation(s)
- YinFeng Yang
- Department of Biochemistry, Faculty of Basic Medicine, Kunming University of Medical Sciences, Kunming 650031, China
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Kaur A, Doomra M, Kakkar N, Dhanoa J. Jaundice and Cola-Colored Urine in a Young Indian Boy. Lab Med 2006. [DOI: 10.1309/2aq5laypq82rhd3p] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
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