Clinical features, epidemiology, autoantibody status, HLA haplotypes and genetic mechanisms of type 1 diabetes mellitus among children in Qatar
Abstract To describe the clinical features, epidemiology, autoantibody status, HLA haplotypes and genetic mechanisms of type 1 diabetes mellitus (T1DM). Patients (0–18 years) with diabetes were recruited. Clinical data was collected, autoantibodies and c-peptide were measured. Whole Genome Sequencin...
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2021
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oai:doaj.org-article:9405a71b574d47d8b7c24add1de0fccd2021-12-02T15:14:55ZClinical features, epidemiology, autoantibody status, HLA haplotypes and genetic mechanisms of type 1 diabetes mellitus among children in Qatar10.1038/s41598-021-98460-42045-2322https://doaj.org/article/9405a71b574d47d8b7c24add1de0fccd2021-09-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-98460-4https://doaj.org/toc/2045-2322Abstract To describe the clinical features, epidemiology, autoantibody status, HLA haplotypes and genetic mechanisms of type 1 diabetes mellitus (T1DM). Patients (0–18 years) with diabetes were recruited. Clinical data was collected, autoantibodies and c-peptide were measured. Whole Genome Sequencing was performed. Genomic data analysis was compared with the known genes linked with T1DM and HLA alleles were studied. 1096 patients had one or more antibody positivity. The incidence of T1DM in 2020 was 38.05 per 100,000 children and prevalence was 249.73. GADA was the most common autoantibody followed by IAA. Variants in GSTCD, SKAP2, SLC9B1, BANK1 were most prevalent. An association of HLA haplotypes DQA1*03:01:01G (OR = 2.46, p value = 0.011) and DQB1*03:02:01G (OR = 2.43, p value = 0.022) was identified. The incidence of T1DM in Qatar is the fourth highest in the world, IA2 autoantibody was the most specific with some patients only having ZnT8 or IA2 autoantibodies thus underlining the necessity of profiling all 4 autoantibodies. The genes associated with T1DM in the Arab population were different from those that are common in the Caucasian population. HLA-DQ was enriched in the Qatari patients suggesting that it can be considered a major risk factor at an early age.Basma HarisIkhlak AhmedNajeeb SyedHakeem AlmabraziSaras SaraswathiSara Al-KhawagaAmira SaeedShihab MundekkadanIdris MohammedSanaa SharariIman HawariNoor HamedHouda AfyouniTasneem Abdel-KarimShayma MohammedAmel KhalifaMaryam Al-MaadheedMahmoud ZyoudAhmed ShamekhAhmed ElawwaMohammed Y. KarimFawziya Al-KhalafZohreh Tatari-CalderoneGoran PetrovskiKhalid HussainNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-9 (2021) |
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Medicine R Science Q |
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Medicine R Science Q Basma Haris Ikhlak Ahmed Najeeb Syed Hakeem Almabrazi Saras Saraswathi Sara Al-Khawaga Amira Saeed Shihab Mundekkadan Idris Mohammed Sanaa Sharari Iman Hawari Noor Hamed Houda Afyouni Tasneem Abdel-Karim Shayma Mohammed Amel Khalifa Maryam Al-Maadheed Mahmoud Zyoud Ahmed Shamekh Ahmed Elawwa Mohammed Y. Karim Fawziya Al-Khalaf Zohreh Tatari-Calderone Goran Petrovski Khalid Hussain Clinical features, epidemiology, autoantibody status, HLA haplotypes and genetic mechanisms of type 1 diabetes mellitus among children in Qatar |
| description |
Abstract To describe the clinical features, epidemiology, autoantibody status, HLA haplotypes and genetic mechanisms of type 1 diabetes mellitus (T1DM). Patients (0–18 years) with diabetes were recruited. Clinical data was collected, autoantibodies and c-peptide were measured. Whole Genome Sequencing was performed. Genomic data analysis was compared with the known genes linked with T1DM and HLA alleles were studied. 1096 patients had one or more antibody positivity. The incidence of T1DM in 2020 was 38.05 per 100,000 children and prevalence was 249.73. GADA was the most common autoantibody followed by IAA. Variants in GSTCD, SKAP2, SLC9B1, BANK1 were most prevalent. An association of HLA haplotypes DQA1*03:01:01G (OR = 2.46, p value = 0.011) and DQB1*03:02:01G (OR = 2.43, p value = 0.022) was identified. The incidence of T1DM in Qatar is the fourth highest in the world, IA2 autoantibody was the most specific with some patients only having ZnT8 or IA2 autoantibodies thus underlining the necessity of profiling all 4 autoantibodies. The genes associated with T1DM in the Arab population were different from those that are common in the Caucasian population. HLA-DQ was enriched in the Qatari patients suggesting that it can be considered a major risk factor at an early age. |
| format |
article |
| author |
Basma Haris Ikhlak Ahmed Najeeb Syed Hakeem Almabrazi Saras Saraswathi Sara Al-Khawaga Amira Saeed Shihab Mundekkadan Idris Mohammed Sanaa Sharari Iman Hawari Noor Hamed Houda Afyouni Tasneem Abdel-Karim Shayma Mohammed Amel Khalifa Maryam Al-Maadheed Mahmoud Zyoud Ahmed Shamekh Ahmed Elawwa Mohammed Y. Karim Fawziya Al-Khalaf Zohreh Tatari-Calderone Goran Petrovski Khalid Hussain |
| author_facet |
Basma Haris Ikhlak Ahmed Najeeb Syed Hakeem Almabrazi Saras Saraswathi Sara Al-Khawaga Amira Saeed Shihab Mundekkadan Idris Mohammed Sanaa Sharari Iman Hawari Noor Hamed Houda Afyouni Tasneem Abdel-Karim Shayma Mohammed Amel Khalifa Maryam Al-Maadheed Mahmoud Zyoud Ahmed Shamekh Ahmed Elawwa Mohammed Y. Karim Fawziya Al-Khalaf Zohreh Tatari-Calderone Goran Petrovski Khalid Hussain |
| author_sort |
Basma Haris |
| title |
Clinical features, epidemiology, autoantibody status, HLA haplotypes and genetic mechanisms of type 1 diabetes mellitus among children in Qatar |
| title_short |
Clinical features, epidemiology, autoantibody status, HLA haplotypes and genetic mechanisms of type 1 diabetes mellitus among children in Qatar |
| title_full |
Clinical features, epidemiology, autoantibody status, HLA haplotypes and genetic mechanisms of type 1 diabetes mellitus among children in Qatar |
| title_fullStr |
Clinical features, epidemiology, autoantibody status, HLA haplotypes and genetic mechanisms of type 1 diabetes mellitus among children in Qatar |
| title_full_unstemmed |
Clinical features, epidemiology, autoantibody status, HLA haplotypes and genetic mechanisms of type 1 diabetes mellitus among children in Qatar |
| title_sort |
clinical features, epidemiology, autoantibody status, hla haplotypes and genetic mechanisms of type 1 diabetes mellitus among children in qatar |
| publisher |
Nature Portfolio |
| publishDate |
2021 |
| url |
https://doaj.org/article/9405a71b574d47d8b7c24add1de0fccd |
| work_keys_str_mv |
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