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Alabdulrazzaq F, AlSharhan H, Ahmed A, Marafie M, Sulaiman I, Alshafie R, AlAhmad A, AlBash B, Ali N, Cyril P, Alkazzaz U, Ibrahim S, Elfeky Y, Salloum A, Alshammari A, Abdelrahman R, Alsafi R, Ramadan D, Al-Rushood M, Bastaki L. eP001: Newborn screening experience for very long chain Acyl-CoA Dehydrogenase (VLCAD) deficiency in Kuwait. Genet Med 2022. [DOI: 10.1016/j.gim.2022.01.039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022] Open
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Alsharhan H, Ahmed AA, Ali NM, Alahmad A, Albash B, Elshafie RM, Alkanderi S, Elkazzaz UM, Cyril PX, Abdelrahman RM, Elmonairy AA, Ibrahim SM, Elfeky YME, Sadik DI, Al-Enezi SD, Salloum AM, Girish Y, Al-Ali M, Ramadan DG, Alsafi R, Al-Rushood M, Bastaki L. Early Diagnosis of Classic Homocystinuria in Kuwait through Newborn Screening: A 6-Year Experience. Int J Neonatal Screen 2021; 7:ijns7030056. [PMID: 34449519 PMCID: PMC8395821 DOI: 10.3390/ijns7030056] [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] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/20/2021] [Revised: 07/23/2021] [Accepted: 08/10/2021] [Indexed: 11/29/2022] Open
Abstract
Kuwait is a small Arabian Gulf country with a high rate of consanguinity and where a national newborn screening program was expanded in October 2014 to include a wide range of endocrine and metabolic disorders. A retrospective study conducted between January 2015 and December 2020 revealed a total of 304,086 newborns have been screened in Kuwait. Six newborns were diagnosed with classic homocystinuria with an incidence of 1:50,000, which is not as high as in Qatar but higher than the global incidence. Molecular testing for five of them has revealed three previously reported pathogenic variants in the CBS gene, c.969G>A, p.(Trp323Ter); c.982G>A, p.(Asp328Asn); and the Qatari founder variant c.1006C>T, p.(Arg336Cys). This is the first study to review the screening of newborns in Kuwait for classic homocystinuria, starting with the detection of elevated blood methionine and providing a follow-up strategy for positive results, including plasma total homocysteine and amino acid analyses. Further, we have demonstrated an increase in the specificity of the current newborn screening test for classic homocystinuria by including the methionine to phenylalanine ratio along with the elevated methionine blood levels in first-tier testing. Here, we provide evidence that the newborn screening in Kuwait has led to the early detection of classic homocystinuria cases and enabled the affected individuals to lead active and productive lives.
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Affiliation(s)
- Hind Alsharhan
- Department of Pediatrics, Faculty of Medicine, Kuwait University, P.O. Box 24923, Safat 13110, Kuwait
- Department of Pediatrics, Farwaniya Hospital, Ministry of Health, Sabah Al-Nasser 92426, Kuwait
- Kuwait Medical Genetics Center, Ministry of Health, Sulaibikhat 80901, Kuwait; (B.A.); (R.M.E.); (S.A.); (A.A.E.); (D.I.S.); (L.B.)
- Correspondence: ; Tel.: +965-60600106 or +965-25319486
| | - Amir A. Ahmed
- Newborn Screening Laboratory, Kuwait Medical Genetics Center, Ministry of Health, Sulaibikhat 80901, Kuwait; (A.A.A.); (R.M.A.); (M.A.-R.)
- Next Generation Sequencing Laboratory, Kuwait Medical Genetics Center, Ministry of Health, Sulaibikhat 80901, Kuwait; (N.M.A.); (M.A.-A.)
| | - Naser M. Ali
- Next Generation Sequencing Laboratory, Kuwait Medical Genetics Center, Ministry of Health, Sulaibikhat 80901, Kuwait; (N.M.A.); (M.A.-A.)
| | - Ahmad Alahmad
- Molecular Genetics Laboratory, Kuwait Medical Genetics Center, Ministry of Health, Sulaibikhat 80901, Kuwait; (A.A.); (S.D.A.-E.)
| | - Buthaina Albash
- Kuwait Medical Genetics Center, Ministry of Health, Sulaibikhat 80901, Kuwait; (B.A.); (R.M.E.); (S.A.); (A.A.E.); (D.I.S.); (L.B.)
| | - Reem M. Elshafie
- Kuwait Medical Genetics Center, Ministry of Health, Sulaibikhat 80901, Kuwait; (B.A.); (R.M.E.); (S.A.); (A.A.E.); (D.I.S.); (L.B.)
- Next Generation Sequencing Laboratory, Kuwait Medical Genetics Center, Ministry of Health, Sulaibikhat 80901, Kuwait; (N.M.A.); (M.A.-A.)
| | - Sumaya Alkanderi
- Kuwait Medical Genetics Center, Ministry of Health, Sulaibikhat 80901, Kuwait; (B.A.); (R.M.E.); (S.A.); (A.A.E.); (D.I.S.); (L.B.)
- Next Generation Sequencing Laboratory, Kuwait Medical Genetics Center, Ministry of Health, Sulaibikhat 80901, Kuwait; (N.M.A.); (M.A.-A.)
| | - Usama M. Elkazzaz
- Newborn Screening Office, Farwaniya Hospital, Ministry of Health, Sabah Al-Nasser 92426, Kuwait;
| | | | - Rehab M. Abdelrahman
- Newborn Screening Laboratory, Kuwait Medical Genetics Center, Ministry of Health, Sulaibikhat 80901, Kuwait; (A.A.A.); (R.M.A.); (M.A.-R.)
| | - Alaa A. Elmonairy
- Kuwait Medical Genetics Center, Ministry of Health, Sulaibikhat 80901, Kuwait; (B.A.); (R.M.E.); (S.A.); (A.A.E.); (D.I.S.); (L.B.)
| | - Samia M. Ibrahim
- Newborn Screening Office, Al-Sabah Maternity Hospital, Ministry of Health, Sulaibikhat 80901, Kuwait;
| | - Yasser M. E. Elfeky
- Newborn Screening Office, Jahra Hospital, Ministry of Health, Jahra 00020, Kuwait;
| | - Doaa I. Sadik
- Kuwait Medical Genetics Center, Ministry of Health, Sulaibikhat 80901, Kuwait; (B.A.); (R.M.E.); (S.A.); (A.A.E.); (D.I.S.); (L.B.)
| | - Sara D. Al-Enezi
- Molecular Genetics Laboratory, Kuwait Medical Genetics Center, Ministry of Health, Sulaibikhat 80901, Kuwait; (A.A.); (S.D.A.-E.)
| | - Ayman M. Salloum
- Biochemistry Laboratory, Al-Sabah Hospital, Ministry of Health, Shuwaikh 70051, Kuwait;
| | - Yadav Girish
- Clinical Biochemistry Laboratory, Ibn Sina Hospital, Ministry of Health, Shuwaikh, P.O. Box 25427, Safat 13115, Kuwait;
| | - Mohammad Al-Ali
- Next Generation Sequencing Laboratory, Kuwait Medical Genetics Center, Ministry of Health, Sulaibikhat 80901, Kuwait; (N.M.A.); (M.A.-A.)
| | - Dina G. Ramadan
- Department of Pediatrics, Al-Sabah Hospital, Ministry of Health, Shuweikh 70051, Kuwait;
| | - Rasha Alsafi
- Department of Pediatrics, Adan Hospital, Ministry of Health, Hadiya 52700, Kuwait;
| | - May Al-Rushood
- Newborn Screening Laboratory, Kuwait Medical Genetics Center, Ministry of Health, Sulaibikhat 80901, Kuwait; (A.A.A.); (R.M.A.); (M.A.-R.)
| | - Laila Bastaki
- Kuwait Medical Genetics Center, Ministry of Health, Sulaibikhat 80901, Kuwait; (B.A.); (R.M.E.); (S.A.); (A.A.E.); (D.I.S.); (L.B.)
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