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Nguyen TT, Le QT, Hoang DTT, Du Nguyen H, Ha TMT, Nguyen MNB, Ta TTT, Tran NT, Trinh THN, Doan KPT, Lam DT, Tran STT, Nguyen TX, Le HT, Ha VT, Nguyen MH, Le BLK, Duong ML, Pham TH, Tran AT, Phan XLT, Huynh TL, Nguyen LPT, Vo TB, Le DKN, Tran NNT, Tran QNT, Van YLT, Huynh BNT, Nguyen TPT, Dao TT, Nguyen LPT, Vo TG, Do TTT, Truong DK, Tang HS, Phan MD, Nguyen HN, Giang H. Massively parallel sequencing uncovered disease-associated variant spectra of glucose-6-phosphate dehydrogenase deficiency, phenylketonuria and galactosemia in Vietnamese pregnant women. Mol Genet Genomic Med 2022; 10:e1959. [PMID: 35502621 PMCID: PMC9266602 DOI: 10.1002/mgg3.1959] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2021] [Revised: 03/23/2022] [Accepted: 03/24/2022] [Indexed: 11/07/2022] Open
Abstract
BACKGROUND Several inherited metabolic diseases are underreported in Vietnam, namely glucose-6-phosphate dehydrogenase deficiency (G6PDd), phenylketonuria (PKU) and galactosemia (GAL). Whilst massively parallel sequencing (MPS) allows researchers to screen several loci simultaneously for pathogenic variants, no screening programme uses MPS to uncover the variant spectra of these diseases in the Vietnamese population. METHODS Pregnant women (mean age of 32) from across Vietnam attending routine prenatal health checks agreed to participate and had their blood drawn. MPS was used to detect variants in their G6PD, PAH and GALT genes. RESULTS Of 3259 women screened across Vietnam, 450 (13.8%) carried disease-associated variants for G6PD, PAH and GALT. The prevalence of carriers was 8.9% (291 of 3259) in G6PD and 4.6% (152 of 3259) in PKU, whilst GAL was low at 0.2% (7 of 3259). Two GALT variants, c.593 T > C and c.1034C > A, have rarely been reported. CONCLUSION This study highlights the need for routine carrier screening, where women give blood whilst receiving routine prenatal care, in Vietnam. The use of MPS is suitable for screening multiple variants, allowing for identifying rare pathogenic variants. The data from our study will inform policymakers in constructing cost-effective genetic metabolic carrier screening programmes.
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Affiliation(s)
- Tat-Thanh Nguyen
- R&D Department, Gene Solutions, Ho Chi Minh City, Vietnam.,Genetics and Genomics Division, Medical Genetics Institute, Ho Chi Minh City, Vietnam
| | - Quang-Thanh Le
- Obstetrics Division, Tu Du Hospital, Ho Chi Minh City, Vietnam
| | - Diem-Tuyet Thi Hoang
- Obstetrics and Genetics Department, Hung Vuong Hospital, Ho Chi Minh City, Vietnam
| | - Huu Du Nguyen
- Obstetrics Division, Can Tho Gynecology Obstetrics Hospital, Can Tho, Vietnam
| | - Thi Minh Thi Ha
- Medical Genetics Department, University of Medicine and Pharmacy, Hue University, Hue, Vietnam
| | - My-Nhi Ba Nguyen
- Obstetrics and Gynecology Division, Tam Anh Hospital, Ho Chi Minh City, Vietnam
| | - Thanh-Thuy Thi Ta
- Obstetrics and Gynecology Division, Mekong Hospital, Ho Chi Minh City, Vietnam
| | - Nhat Thang Tran
- Obstetrics and Gynecology Department, University Medical Center, Ho Chi Minh City, Vietnam
| | | | - Kim Phuong Thi Doan
- Biomedicine and Genetics Department, Hanoi Medical University, Hanoi, Vietnam
| | - Duc Tam Lam
- Obstetrics and Gynecology Department, Can Tho University of Medicine and Pharmacy, Can Tho, Vietnam
| | - Son Tra Thi Tran
- Obstetrics and Gynecology Department, Vietnam-Cuba Friendship Dong Hoi Hospital, Quang Binh, Vietnam
| | - Thanh Xuan Nguyen
- Obstetrics and Gynecology Department, Hue Central Hospital, Hue, Vietnam
| | - Hong-Thinh Le
- Obstetrics Division, Can Tho Gynecology Obstetrics Hospital, Can Tho, Vietnam
| | - Van Tuan Ha
- Obstetrics and Gynecology Department, Buon Ma Thuot University Hospital, Buon Ma Thuot, Vietnam
| | - Manh Hoan Nguyen
- Obstetrics and Gynecology Department, Dong Nai General Hospital, Dong Nai, Vietnam
| | - Ba-Liem Kim Le
- Obstetrics and Genetics Department, Hung Vuong Hospital, Ho Chi Minh City, Vietnam
| | - My Linh Duong
- Obstetrics and Gynecology Department, Can Tho University of Medicine and Pharmacy, Can Tho, Vietnam
| | - Trung Ha Pham
- Obstetrics Division, Sai Gon International Gynecology Obstetrics Hospital, Ho Chi Minh City, Vietnam
| | - Anh Tuan Tran
- Obstetrics Division, Sai Gon International Gynecology Obstetrics Hospital, Ho Chi Minh City, Vietnam
| | - Xuan Lan Thi Phan
- Obstetrics Division, Sai Gon International Gynecology Obstetrics Hospital, Ho Chi Minh City, Vietnam
| | - Thanh Liem Huynh
- Obstetrics Division, Can Tho Gynecology Obstetrics Hospital, Can Tho, Vietnam
| | | | - Thanh Binh Vo
- R&D Department, Gene Solutions, Ho Chi Minh City, Vietnam.,Genetics and Genomics Division, Medical Genetics Institute, Ho Chi Minh City, Vietnam
| | - Duy-Khang Nguyen Le
- R&D Department, Gene Solutions, Ho Chi Minh City, Vietnam.,Genetics and Genomics Division, Medical Genetics Institute, Ho Chi Minh City, Vietnam
| | - Ngoc Nhu Thi Tran
- R&D Department, Gene Solutions, Ho Chi Minh City, Vietnam.,Genetics and Genomics Division, Medical Genetics Institute, Ho Chi Minh City, Vietnam
| | - Quynh Nhu Thi Tran
- R&D Department, Gene Solutions, Ho Chi Minh City, Vietnam.,Genetics and Genomics Division, Medical Genetics Institute, Ho Chi Minh City, Vietnam
| | - Yen-Linh Thi Van
- R&D Department, Gene Solutions, Ho Chi Minh City, Vietnam.,Genetics and Genomics Division, Medical Genetics Institute, Ho Chi Minh City, Vietnam
| | - Bich-Ngoc Thi Huynh
- R&D Department, Gene Solutions, Ho Chi Minh City, Vietnam.,Genetics and Genomics Division, Medical Genetics Institute, Ho Chi Minh City, Vietnam
| | - Thanh-Phương Thi Nguyen
- R&D Department, Gene Solutions, Ho Chi Minh City, Vietnam.,Genetics and Genomics Division, Medical Genetics Institute, Ho Chi Minh City, Vietnam
| | - Trang Thi Dao
- Biomedicine and Genetics Department, Hanoi Medical University, Hanoi, Vietnam
| | - Lan Phuong Thi Nguyen
- R&D Department, Gene Solutions, Ho Chi Minh City, Vietnam.,Genetics and Genomics Division, Medical Genetics Institute, Ho Chi Minh City, Vietnam
| | - Truong-Giang Vo
- R&D Department, Gene Solutions, Ho Chi Minh City, Vietnam.,Genetics and Genomics Division, Medical Genetics Institute, Ho Chi Minh City, Vietnam
| | - Thanh-Thuy Thi Do
- Genetics and Genomics Division, Medical Genetics Institute, Ho Chi Minh City, Vietnam
| | - Dinh-Kiet Truong
- Genetics and Genomics Division, Medical Genetics Institute, Ho Chi Minh City, Vietnam
| | - Hung Sang Tang
- R&D Department, Gene Solutions, Ho Chi Minh City, Vietnam.,Genetics and Genomics Division, Medical Genetics Institute, Ho Chi Minh City, Vietnam
| | - Minh-Duy Phan
- R&D Department, Gene Solutions, Ho Chi Minh City, Vietnam.,Genetics and Genomics Division, Medical Genetics Institute, Ho Chi Minh City, Vietnam
| | - Hoai-Nghia Nguyen
- Genetics and Genomics Division, Medical Genetics Institute, Ho Chi Minh City, Vietnam.,Center for Molecular and Biomedicine, University of Medicine and Pharmacy, Ho Chi Minh City, Vietnam
| | - Hoa Giang
- R&D Department, Gene Solutions, Ho Chi Minh City, Vietnam.,Genetics and Genomics Division, Medical Genetics Institute, Ho Chi Minh City, Vietnam
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Ben Abdelaziz R, Ben Chehida A, Kachouri H, Ben Messaoud S, Ferchichi M, Ben Ameur Z, Sassi Y, Abdelmoula MS, Azzouz H, Tebib N. Quality of life and associated factors in parents of children with late diagnosed phenylketonuria. A cross sectional study in a developing country (Tunisia). J Pediatr Endocrinol Metab 2020; 33:901-913. [PMID: 32639944 DOI: 10.1515/jpem-2020-0035] [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: 01/27/2020] [Accepted: 03/29/2020] [Indexed: 11/15/2022]
Abstract
Objectives We investigated the quality of life (QOL) in parents of children with late treated phenylketonuria (PKU) and its associated factors. Methods We conducted a cross sectional study in the reference center of inherited metabolic disease in Tunisia. We used the Tunisian version of the 36-item short-form health survey questionnaire (SF-36). We compared variables in the groups with and without impaired QOL and the SF-36 scores between subgroups of parents and children and between our sample and the Tunisian general population based on published data. We looked for associations between SF-36 scores and quantitative variables. Linear regression and logistic binary regression were used for multivariate analysis. Results Sixty-five parents from 42 families participated. QOL was impaired in 61% of them. The mean SF-36 score was 55.3 ± 25.07. The physical component sub-score was higher than that reported in the Tunisian general population (63.66 ± 27.77 vs. 50.11 ± 8.53; p<0.001). The mental component sub-score was comparable to that reported in the Tunisian general population (46.99 ± 25.94 vs. 47.96 ± 9.82; p=0.830). Gender (mothers) (p=0.008), low monthly income (p = 0.027), low education (p=0.011), and autism in PKU children (p = 0.001) were associated with impaired QOL. Conclusions We identified at risk parents for altered quality of life among parents of PKU children. Our findings were used to develop a psychological and social support strategy for at-risk parents and to promote the implementation of newborn screening of this treatable disease in our low-income country.
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Affiliation(s)
- Rim Ben Abdelaziz
- Department of Pediatrics, La Rabta Hospital, Jabbari, 1007, Tunis, Tunisia.,Faculty of Medicine of Tunis, University Tunis El Manar, Djebal Lakhdhar Street, La Rabta, 1007, Tunis, Tunisia.,Research Laboratory LR12SPO2, University Tunis El Manar, Tunis, Tunisia
| | - Amel Ben Chehida
- Department of Pediatrics, La Rabta Hospital, Jabbari, 1007, Tunis, Tunisia.,Faculty of Medicine of Tunis, University Tunis El Manar, Djebal Lakhdhar Street, La Rabta, 1007, Tunis, Tunisia.,Research Laboratory LR12SPO2, University Tunis El Manar, Tunis, Tunisia
| | - Henda Kachouri
- Research Laboratory LR12SPO2, University Tunis El Manar, Tunis, Tunisia
| | - Sana Ben Messaoud
- Research Laboratory LR12SPO2, University Tunis El Manar, Tunis, Tunisia
| | - Maherzia Ferchichi
- Department of Pediatrics, La Rabta Hospital, Jabbari, 1007, Tunis, Tunisia
| | - Zeineb Ben Ameur
- Department of Pediatrics, La Rabta Hospital, Jabbari, 1007, Tunis, Tunisia
| | - Yosra Sassi
- Department of Pediatrics, La Rabta Hospital, Jabbari, 1007, Tunis, Tunisia
| | - Mohamed Slim Abdelmoula
- Department of Pediatrics, La Rabta Hospital, Jabbari, 1007, Tunis, Tunisia.,Faculty of Medicine of Tunis, University Tunis El Manar, Djebal Lakhdhar Street, La Rabta, 1007, Tunis, Tunisia.,Research Laboratory LR12SPO2, University Tunis El Manar, Tunis, Tunisia
| | - Hatem Azzouz
- Department of Pediatrics, La Rabta Hospital, Jabbari, 1007, Tunis, Tunisia.,Faculty of Medicine of Tunis, University Tunis El Manar, Djebal Lakhdhar Street, La Rabta, 1007, Tunis, Tunisia.,Research Laboratory LR12SPO2, University Tunis El Manar, Tunis, Tunisia
| | - Néji Tebib
- Department of Pediatrics, La Rabta Hospital, Jabbari, 1007, Tunis, Tunisia.,Faculty of Medicine of Tunis, University Tunis El Manar, Djebal Lakhdhar Street, La Rabta, 1007, Tunis, Tunisia.,Research Laboratory LR12SPO2, University Tunis El Manar, Tunis, Tunisia
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5
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Costa RD, Galera BB, Rezende BC, Venâncio AC, Galera MF. IDENTIFICATION OF MUTATIONS IN THE PAH GENE IN PKU PATIENTS IN THE STATE OF MATO GROSSO. REVISTA PAULISTA DE PEDIATRIA 2020; 38:e2018351. [PMID: 32074228 PMCID: PMC7025444 DOI: 10.1590/1984-0462/2020/38/2018351] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/06/2018] [Accepted: 04/21/2019] [Indexed: 11/21/2022]
Abstract
Objective: To identify phenylalanine hydroxylase (PAH) mutations in
patients with phenylketonuria (PKU) from the Newborn Screening Service in
Mato Grosso, Midwest Brazil. Methods: This is a cross-sectional descriptive study. The sample consisted of 19 PKU
patients diagnosed by newborn screening. Molecular analysis: DNA extraction
using the “salting-out” method. Detection of IVS10nt-11G>A, V388M, R261Q,
R261X, R252W, and R408W mutations by the restriction fragment length
polymorphism (RFLP) technique. Results: Two mutant alleles were identified in four patients (21.1%), one allele in
five patients (26.2%), and none in the remaining ten patients (52.6%). A
total of 13/38 alleles were detected, corresponding to 34.2% of the
PAH alleles present. The most prevalent variant was
V388M (13.2% of the alleles), followed by R261Q (10.1%) and IVS10nt-11G>A
(7.9%). Three variants (R261X, R252W, and R408W) were not found. The most
frequent mutation types were: missense mutation in eight alleles (18.4%) and
splicing in four alleles (10.5%). The model proposed by Guldberg to
determine a genotype/phenotype correlation was applied to four classical PKU
patients with two identified mutations. In three of them, the predicted
moderate/moderate or moderate PKU phenotype did not coincide with the actual
diagnosis. The prediction coincided with the diagnosis of one classic PKU
patient. The estimated incidence of PKU for Mato Grosso, Brazil, was
1:33,342 live births from 2003 to 2015. Conclusion: The only mutations found in the analyzed samples were the IVS10nt-11G>A,
V388M, and R261Q. The genotype/phenotype correlation only occurred in four
(5.3%) patients.
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Alibakhshi R, Moradi K, Ghadiri K. The status of PAH gene-VNTR alleles and mini-haplotypes associations with PAH gene mutations in Iranian Kurdish PKU patients. Med J Islam Repub Iran 2019; 33:88. [PMID: 31696082 PMCID: PMC6825400 DOI: 10.34171/mjiri.33.88] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2017] [Indexed: 11/17/2022] Open
Abstract
Background: The analysis of haplotypes/mini-haplotypes in the PAH gene has been used as an informative tool in several genetic anthropology studies. Considering the notion that Iranian population is one of the most heterogeneous i the world, this study was conducted to evaluate the association of VNTR-STR mini-haplotypes with the PAH gene mutations in PKU patients in Kermanshah province. Methods: A total of 24 unrelated Kurdish PKU patients with the known PAH gene causing mutations and 72 healthy controls were selected. The DNA fragments containing VNTR and STR systems were amplified by polymerase chain reaction (PCR). For VNTR system, PCR products were separated using electrophoresis on 2.5% agarose gel. For STR system, the samples were analyzed using DNA sequencing analysis version 5.2 software. Results: Overall, 5 PAH-VNTR-alleles, including VNTR3, 7, 8, 9, 12, and 3 PAH-STR-alleles, including STR238, 242, and 250, were detected in this study. VNTR3 and 8 alleles had the most frequency among healthy controls. Also, 6 different mini-haplotype alleles were found to be associated with PKU chromosomes. The 2 most prevalent mutations in Kermanshah province, IVS2+5G>C and IVS9+5G>A, were strongly linked to mini-haplotypes 9/242 and 8/238, respectively. Conclusion: The distributions and frequencies of VNTR alleles in Kurdish population have the most similarity to alleles previously described in European Caucasian families. Moreover, since the most common mutations in Kermanshah PKU chromosomes are rare and this was the first study on mini-haplotypes VNTR/STR among Iranian Kurdish PKU patients, given that this study was the first of its kind, it was not possible to compare its results with that of other studies on Iranian and non-Iranian populations.
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Affiliation(s)
- Reza Alibakhshi
- Department of Biochemistry, School of Medicine, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Keivan Moradi
- Medical Biology Research Center, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Keyghobad Ghadiri
- Infectious Disease Research Center, Kermanshah University of Medical Sciences, Kermanshah, Iran
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Duan H, Liu N, Zhao Z, Liu Y, Wang Y, Li Z, Xu M, Cram DS, Kong X. Non-invasive prenatal testing of pregnancies at risk for phenylketonuria. Arch Dis Child Fetal Neonatal Ed 2019; 104:F24-F29. [PMID: 29353259 DOI: 10.1136/archdischild-2017-313929] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/14/2017] [Revised: 10/16/2017] [Accepted: 12/07/2017] [Indexed: 01/15/2023]
Abstract
BACKGROUND Phenylketonuria (PKU) is a common metabolic disorder caused predominately by mutations in the phenylalanine hydroxylase (PAH) gene. The aim of the study was to design and validate the performance of a non-invasive prenatal test (NIPT) for PKU using circulating single molecule amplification and resequencing technology (cSMART). METHODS A total of 18 couples at genetic risk for having a child with PKU were recruited to the study. Gold standard invasive prenatal diagnosis (IPD) was performed on amniocyte or villus cell DNA by Sanger sequencing, targeting the known parental PAH mutations. Retrospectively, NIPT was also performed on stored maternal plasma samples from the 18 pregnancies by a multiplex cSMART assay designed to target all known DNA variants in the PAH gene. RESULTS Benchmarking against IPD results, NIPT correctly genotyped all fetuses, including six compound heterozygotes with PKU, four normal non-carriers of PKU and eight heterozygote carriers of PKU comprising five cases of a maternally inherited mutation and three cases of a paternally inherited mutation. CONCLUSIONS The NIPT cSMART PKU assay was highly sensitive and specific for mutation detection and correct assignment of fetal genotypes. Based on comprehensive mutation coverage across the PAH gene, the assay may initially have clinical utility as a pregnancy screening test for high-risk carrier couples.
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Affiliation(s)
- Huikun Duan
- Genetics and Prenatal Diagnosis Center, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Ning Liu
- Genetics and Prenatal Diagnosis Center, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Zhenhua Zhao
- Genetics and Prenatal Diagnosis Center, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Yiqian Liu
- Research and Development Department, Berry Genomics Corporation, Beijing, China
| | - Yin Wang
- Research and Development Department, Berry Genomics Corporation, Beijing, China
| | - Zhifeng Li
- Research and Development Department, Berry Genomics Corporation, Beijing, China
| | - Mengnan Xu
- Research and Development Department, Berry Genomics Corporation, Beijing, China
| | - David S Cram
- Research and Development Department, Berry Genomics Corporation, Beijing, China
| | - Xiangdong Kong
- Genetics and Prenatal Diagnosis Center, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
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