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Al-Kuraishy HM, Mazhar Ashour MH, Saad HM, Batiha GES. COVID-19 and β-thalassemia: in lieu of evidence and vague nexus. Ann Hematol 2024; 103:1423-1433. [PMID: 37405444 DOI: 10.1007/s00277-023-05346-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2023] [Accepted: 06/27/2023] [Indexed: 07/06/2023]
Abstract
Coronavirus disease 19 (COVID-19) is an infectious disease caused by severe acute respiratory coronavirus 2 (SARS-CoV-2) causing acute systemic disorders and multi-organ damage. β-thalassemia (β-T) is an autosomal recessive disorder leading to the development of anemia. β-T may lead to complications such as immunological disorders, iron overload, oxidative stress, and endocrinopathy. β-T and associated complications may increase the risk of SARS-CoV-2, as inflammatory disturbances and oxidative stress disorders are linked with COVID-19. Therefore, the objective of the present review was to elucidate the potential link between β-T and COVID-19 regarding the underlying comorbidities. The present review showed that most of the β-T patients with COVID-19 revealed mild to moderate clinical features, and β-T may not be linked with Covid-19 severity. Though patients with transfusion-dependent β-T (TDT) develop less COVID-19 severity compared to non-transfusion-depend β-T(NTDT), preclinical and clinical studies are recommended in this regard.
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Affiliation(s)
- Hayder M Al-Kuraishy
- Department of Clinical Pharmacology and Therapeutic Medicine, College of Medicine, Al-Mustansiriyiah University, Box 14132, Baghdad, Iraq
| | | | - Hebatallah M Saad
- Department of Pathology, Faculty of Veterinary Medicine, Matrouh University, Marsa Matruh, 51744, Egypt.
| | - Gaber El-Saber Batiha
- Department of Pharmacology and Therapeutics, Faculty of Veterinary Medicine, Damanhour University, AlBeheira, Damanhour, 22511, Egypt
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To-Mai XH, Nguyen HT, Nguyen-Thi TT, Nguyen TV, Nguyen-Thi MN, Thai KQ, Lai MT, Nguyen TA. Prevalence of common autosomal recessive mutation carriers in women in the Southern Vietnam following the application of expanded carrier screening. Sci Rep 2024; 14:7461. [PMID: 38553482 PMCID: PMC10980709 DOI: 10.1038/s41598-024-57513-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Accepted: 03/19/2024] [Indexed: 04/02/2024] Open
Abstract
The common autosomal recessive (AR) mutation carrier is still unknown in Vietnam. This study aims to identify the most common AR gene mutation carriers in women of reproductive age to build a Vietnamese-specific carrier screening panel for AR and X-linked disorders in the preconception and prenatal healthcare program. A cross-sectional study was conducted at University Medical Center-Branch 2 in Ho Chi Minh City from December 1st, 2020, to June 30th, 2023. 338 women have consented to take a 5 mL blood test to identify 540 recessive genes. The carrier screening panel was designed based on the American College of Medical Genetics and Genomics (ACMG)-recommended genes and suggestions from 104 clinical experts in Vietnam. Obstetricians and genetic experts counseled all positive testing results to discuss the possibility of recessive diseases in their offspring. The most common recessive disorders were defined at a prevalence of 1 in 60 or greater, and those were added to a Vietnamese-specific carrier screening panel. 338 non-pregnant and pregnant women underwent the expanded carrier screening (ECS). The carrier frequency was 63.6%, in which 215 women carried at least one AR gene mutation. GJB2 hearing impairment was identified as the most common chronic condition (1 in 5). The second most common AR disorder was beta-thalassemia (1 in 16), followed by cystic fibrosis (1 in 23), G6PD deficiency (1 in 28), Wilson's disease (1 in 31), Usher's syndrome (1 in 31), and glycogen storage disease (1 in 56). Seven common recessive genes were added in ethnic-based carrier screening. Women in the South of Vietnam have been carried for many recessive conditions at high frequency, such as hearing impairment, genetic anemia, and cystic fibrosis. It is necessary to implement a preconception and prenatal screening program by using seven widely popular AR genes in a Vietnamese-specific carrier screening panel to reduce the burden related to AR and X-linked disorders.
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Affiliation(s)
- Xuan-Hong To-Mai
- University of Alberta, Edmonton, Canada
- University of Nam Can Tho, Can Tho, Vietnam
| | - Huu-Trung Nguyen
- University of Medicine and Pharmacy at Ho Chi Minh City, Ho Chi Minh City, Vietnam
- University Medical Center-Branch 2, Ho Chi Minh City, Vietnam
| | | | - Thuy-Vy Nguyen
- University of Science, Vietnam National University Ho Chi Minh, Ho Chi Minh City, Vietnam
- Ktest Company, Ho Chi Minh City, Vietnam
| | - My-Nuong Nguyen-Thi
- University of Science, Vietnam National University Ho Chi Minh, Ho Chi Minh City, Vietnam
- Ktest Company, Ho Chi Minh City, Vietnam
| | | | | | - Tuan-Anh Nguyen
- University Medical Center-Branch 2, Ho Chi Minh City, Vietnam.
- Molecular Biomedical Center, University Medical Center, Ho Chí Minh City, Vietnam.
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Niida Y, Ozaki M, Shimizu M, Ueno K, Tanaka T. Classification of Uniparental Isodisomy Patterns That Cause Autosomal Recessive Disorders: Proposed Mechanisms of Different Proportions and Parental Origin in Each Pattern. Cytogenet Genome Res 2018; 154:137-146. [PMID: 29656286 DOI: 10.1159/000488572] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/16/2018] [Indexed: 01/18/2023] Open
Abstract
Patients with autosomal recessive (AR) disorders are usually born to parents both of whom are heterozygous carriers of the disease. However, in some instances only one of the parents is a carrier and a mutation is segregated to the patient through uniparental isodisomy (UPiD). Recently, an increasing number of such case reports has been published, and it has become clear that there are several different UPiD patterns that cause AR disorders. In this article, we report 3 remarkable patients with different patterns of UPiD. We then review 85 cases collected in the literature. We realized that they can be classified into 3 patterns: UPiD of the whole chromosome, segmental UPiD with uniparental heterodisomy (UPhD), and segmental UPiD caused by post-zygotic mitotic recombination (MiRe). Whole chromosomal UPiD accounted for the majority of cases, with paternal origin accounting for approximately twice as many cases as maternal origin. Most cases of segmental UPiD with UPhD were of maternal origin, with a dominancy of nondisjunction in meiosis I, while segmental UPiD through MiRe is the smallest pattern with equal parental origin. These differences in proportion and parental origin in each pattern can be explained by considering nondisjunction during oogenesis as the starting point and UPiD as subsequent events.
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Kazmi D, Bailey J, Yau M, Abu-Amer W, Kumar A, Low M, Yuen T. New developments in prenatal diagnosis of congenital adrenal hyperplasia. J Steroid Biochem Mol Biol 2017; 165:121-123. [PMID: 27378492 DOI: 10.1016/j.jsbmb.2016.06.016] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/26/2016] [Revised: 06/28/2016] [Accepted: 06/30/2016] [Indexed: 02/07/2023]
Abstract
Congenital adrenal hyperplasia (CAH) owing to 21-hydroxylase deficiency is an autosomal recessive disorder caused by mutations in the CYP21A2 gene. Females affected with classical CAH are at risk for genital ambiguity, but can be treated in utero with dexamethasone before 9 gestational weeks to prevent virilization. Early genetic diagnosis is unavailable through current invasive methods of chorionic villus sampling and amniocentesis. New developments in prenatal genetic testing utilize fetal DNA extracted from maternal blood through noninvasive methods, which allow the determination of fetal gender and the diagnosis of CAH at an early gestational age (<9 weeks). Noninvasive prenatal diagnosis allows for the establishment of early and effective management plans in fetuses at risk for CAH and avoids unnecessary prenatal dexamethasone treatment.
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Affiliation(s)
- Diya Kazmi
- Department of Medicine, Icahn School of Medicine at Mount Sinai, One Gustave L. Levy Place, Box 1055, New York, NY 10029, USA
| | - Jack Bailey
- Department of Medicine, Icahn School of Medicine at Mount Sinai, One Gustave L. Levy Place, Box 1055, New York, NY 10029, USA
| | - Maggie Yau
- Department of Medicine, Icahn School of Medicine at Mount Sinai, One Gustave L. Levy Place, Box 1055, New York, NY 10029, USA
| | - Wahid Abu-Amer
- Department of Medicine, Icahn School of Medicine at Mount Sinai, One Gustave L. Levy Place, Box 1055, New York, NY 10029, USA
| | - Ameet Kumar
- Department of Medicine, Icahn School of Medicine at Mount Sinai, One Gustave L. Levy Place, Box 1055, New York, NY 10029, USA
| | - Merly Low
- Department of Medicine, Icahn School of Medicine at Mount Sinai, One Gustave L. Levy Place, Box 1055, New York, NY 10029, USA
| | - Tony Yuen
- Department of Medicine, Icahn School of Medicine at Mount Sinai, One Gustave L. Levy Place, Box 1055, New York, NY 10029, USA.
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Khan N, Kerr G, Kingston H. Community engagement and education: addressing the needs of South Asian families with genetic disorders. J Community Genet 2016; 7:317-323. [PMID: 27614444 DOI: 10.1007/s12687-016-0278-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2016] [Accepted: 08/12/2016] [Indexed: 12/29/2022] Open
Abstract
Consanguineous marriage is common among the South Asian heritage community in the UK. While conferring social and cultural benefits, consanguinity is associated with an increased risk of autosomal recessive disorders and an increase in childhood death and disability. We have previously developed a genetic service to address the needs of this community. We report the extension of this service to include community-based initiatives aimed at promoting understanding of genetic issues related to consanguinity and improving access to genetic services. Our approach was to develop integrated clinical, educational and community engagement initiatives that would be sustainable on a long-term basis. The service provided for South Asian families by a specialist genetic counsellor was extended, and a series of genetics education and awareness sessions were provided for a diverse range of frontline healthcare workers. Two community genetic outreach worker posts were established to facilitate the engagement of the local South Asian population with genetics. The education and awareness sessions helped address the lack of genetic knowledge among primary health care professionals and community workers. Engagement initiatives by the genetic outreach worker raised awareness of genetic issues in the South Asian community and families affected by autosomal recessive disorders. All three elements of the extended service generated positive feedback. A three-stranded approach to addressing the needs of consanguineous families affected by autosomal recessive disorders as recommended by the World Health Organisation is suggested to be an acceptable, effective and sustainable approach to delivery of service in the UK.
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Affiliation(s)
- Nasaim Khan
- Genomic medicine, St. Mary's Hospital, Manchester Academic Health Science Centre, Central Manchester University Hospitals NHS Foundation Trust, Manchester, M13 9WL, UK.
| | - Gifford Kerr
- Public Health Medicine, Blackburn with Darwen Borough Council, 10 Duke Street, Blackburn, BB2 1DH, UK
| | - Helen Kingston
- Genomic medicine, St. Mary's Hospital, Manchester Academic Health Science Centre, Central Manchester University Hospitals NHS Foundation Trust, Manchester, M13 9WL, UK
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Mathijssen IB, Henneman L, van Eeten-Nijman JMC, Lakeman P, Ottenheim CPE, Redeker EJW, Ottenhof W, Meijers-Heijboer H, van Maarle MC. Targeted carrier screening for four recessive disorders: high detection rate within a founder population. Eur J Med Genet 2015; 58:123-8. [PMID: 25641760 DOI: 10.1016/j.ejmg.2015.01.004] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2014] [Accepted: 01/07/2015] [Indexed: 12/13/2022]
Abstract
In a genetically isolated community in the Netherlands four severe recessive genetic disorders occur at relatively high frequency (pontocerebellar hypoplasia type 2 (PCH2), fetal akinesia deformation sequence (FADS), rhizomelic chondrodysplasia punctata type 1 (RCDP1), and osteogenesis imperfecta (OI) type IIB/III. Over the past decades multiple patients with these disorders have been identified. This warranted the start of a preconception outpatient clinic, in 2012, aimed at couples planning a pregnancy. The aim of our study was to evaluate the offer of targeted genetic carrier screening as a method to identify high-risk couples for having affected offspring in this high-risk subpopulation. In one year, 203 individuals (92 couples and 19 individuals) were counseled. In total, 65 of 196 (33.2%) tested individuals were carriers of at least one disease, five (7.7%) of them being carriers of two diseases. Carrier frequencies of PCH2, FADS, RCDP1, and OI were 14.3%, 11.2%, 6.1%, and 4.1% respectively. In individuals with a positive family history for one of the diseases, the carrier frequency was 57.8%; for those with a negative family history this was 25.8%. Four PCH2 carrier-couples were identified. Thus, targeted (preconception) carrier screening in this genetically isolated population in which a high prevalence of specific disorders occurs detects a high number of carriers, and is likely to be more effective compared to cascade genetic testing. Our findings and set-up can be seen as a model for carrier screening in other high-risk subpopulations and contributes to the discussion about the way carrier screening can be offered and organized in the general population.
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Affiliation(s)
- Inge B Mathijssen
- Department of Clinical Genetics, Academic Medical Center, Amsterdam, The Netherlands.
| | - Lidewij Henneman
- Department of Clinical Genetics, VU University Medical Center, Amsterdam, The Netherlands
| | | | - Phillis Lakeman
- Department of Clinical Genetics, Academic Medical Center, Amsterdam, The Netherlands
| | - Cecile P E Ottenheim
- Department of Clinical Genetics, Academic Medical Center, Amsterdam, The Netherlands
| | - Egbert J W Redeker
- Department of Clinical Genetics, Academic Medical Center, Amsterdam, The Netherlands
| | - Winnie Ottenhof
- Waterland Oost Midwifery Practice, Volendam, The Netherlands
| | - Hanne Meijers-Heijboer
- Department of Clinical Genetics, Academic Medical Center, Amsterdam, The Netherlands; Department of Clinical Genetics, VU University Medical Center, Amsterdam, The Netherlands
| | - Merel C van Maarle
- Department of Clinical Genetics, Academic Medical Center, Amsterdam, The Netherlands
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Teeuw M, Waisfisz Q, Zwijnenburg PJG, Sistermans EA, Weiss MM, Henneman L, ten Kate LP, Cornel MC, Meijers-Heijboer H. First steps in exploring prospective exome sequencing of consanguineous couples. Eur J Med Genet 2014; 57:613-6. [PMID: 25281896 DOI: 10.1016/j.ejmg.2014.09.003] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2014] [Accepted: 09/15/2014] [Indexed: 12/18/2022]
Abstract
Consanguinity is one of the most frequent risk factors for congenital disorders. In theory, prospective exome sequencing of consanguineous couples could identify couples who both are carriers of autosomal recessive diseases, and empower such couples to make informed reproductive decisions. To investigate this, we sent blood samples to our laboratory of four pairs of consanguineous parents having one or more children affected by an autosomal recessive disorder, without revealing any diagnostic information. The study was restricted to find identical, previously described, or evidently pathogenic mutations in both parents of each couple, in over 400 genes known to result in severe autosomal recessive disorders. Out of the six autosomal recessive disorders known to the four couples studied, two were correctly identified. Carrier status of one not previously known autosomal recessive disorder was discovered. As expected, given the pipeline used, large deletions, mutations in genes not present in the gene list, mutations outside the exons and consensus splice sites, and mutations that were not evidently pathogenic and previously not reported, were not identified. The restriction to detecting only couples with identical mutations diminishes the risk of revealing unsolicited findings and shortens the time needed for analysis, but also results in missing couples with different mutations in the same gene. In addition to the proposed pipeline, couples should be offered testing for carrier status of frequent disorders that can present themselves by large deletions, non-exonic mutations or compound heterozygous mutations (e.g. thalassemia, spinal muscular atrophy, cystic fibrosis). Even though sensitivity is reduced, offering exome sequencing prospectively will increase reproductive options for consanguineous couples.
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Affiliation(s)
- Marieke Teeuw
- Department of Clinical Genetics, VU University Medical Center, Amsterdam, The Netherlands; EMGO Institute for Health and Care Research, VU University Medical Center, Amsterdam, The Netherlands
| | - Quinten Waisfisz
- Department of Clinical Genetics, VU University Medical Center, Amsterdam, The Netherlands.
| | - Petra J G Zwijnenburg
- Department of Clinical Genetics, VU University Medical Center, Amsterdam, The Netherlands
| | - Erik A Sistermans
- Department of Clinical Genetics, VU University Medical Center, Amsterdam, The Netherlands
| | - Marjan M Weiss
- Department of Clinical Genetics, VU University Medical Center, Amsterdam, The Netherlands
| | - Lidewij Henneman
- Department of Clinical Genetics, VU University Medical Center, Amsterdam, The Netherlands; EMGO Institute for Health and Care Research, VU University Medical Center, Amsterdam, The Netherlands
| | - Leo P ten Kate
- Department of Clinical Genetics, VU University Medical Center, Amsterdam, The Netherlands; EMGO Institute for Health and Care Research, VU University Medical Center, Amsterdam, The Netherlands
| | - Martina C Cornel
- Department of Clinical Genetics, VU University Medical Center, Amsterdam, The Netherlands; EMGO Institute for Health and Care Research, VU University Medical Center, Amsterdam, The Netherlands
| | - Hanne Meijers-Heijboer
- Department of Clinical Genetics, VU University Medical Center, Amsterdam, The Netherlands
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