Aditiawati Aditiawati
Bagian Ilmu Kesehatan Anak Fakultas Kedokteran Universitas Sriwijaya/RSUP Dr. Mohammad Hoesin, Palembang

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Polymorphisms associated with type 1 diabetes mellitus Rachman Indra Jaya; Yenni Riska Zettyana; Achirul Bakri; Yuwono Yuwono; Aditiawati Aditiawati
Paediatrica Indonesiana Vol 58 No 6 (2018): November 2018
Publisher : Indonesian Pediatric Society

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (506.876 KB) | DOI: 10.14238/pi58.6.2018.274-9

Abstract

Background Type 1 diabetes mellitus (T1DM) is an organ-specific autoimmune disease characterized by T cell-mediated destruction of pancreatic islets. The genetic factors involved consist of at least five vulnerability genes: HLA, INS, CTLA-4, PTPN22, and IL2RA/CD25. Objective To investigate for associations of PTPN22-1123 G>C SNP and CTLA-4 +49A/G polymorphisms with T1DM. Methods Case and control groups underwent CTLA-4 +49A/G gene examination from June to December 2017, using polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) analysis. Results The study population consisted of 30 T1DM patients and 30 healthy subjects with no family history of diabetes or autoimmune diseases. With regards to the PTPN22-1123 G>C SNP, significantly more subjects with T1DM had the GC genotype than the GG genotype (OR 7.64; 95%CI 1.48 to 39.29; P=0.007). For the CTLA-4 +49A/G polymorphism, although the total number of G alleles in the case group was more than that of the control group (OR 2.286; 95%CI 0.804 to 6.945; P=0.118), there were no significant relationships between the frequency of G alleles (P=0.248) and genotypes GG or AG (P=0.293) with the incidence of T1DM. However, the PTPN22-1123 G>C SNP had a significantly positive association with T1DM, and may be considered as a risk factor for T1DM. In contrast, the CTLA-4 +49A/G polymorphism was not recognized as a risk susceptibility factor for T1DM. Conclusion These study confirms an association between PTPN22-1123 G>C SNP and T1DM, but no significant association between CTLA-4 +49A/G polymorphism and T1DM.
Serum ferritin levels and endocrine disorders in children with thalassemia major Evi Dewiyanti; Aditiawati Aditiawati; Dian Puspita Sari
Paediatrica Indonesiana Vol 61 No 3 (2021): May 2021
Publisher : Indonesian Pediatric Society

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14238/pi61.3.2021.125-32

Abstract

Background Endocrine disorders in thalassemia major children patients occur due to iron overload and hemosiderosis in endocrine organs. Early detection is needed to prevent complications and improve the quality of life. An association between serum ferritin and endocrine disorders in thalassemia patients has been inconclusive to date. Objective To analyze for possible associations between serum ferritin and endocrine disorders (short stature, delayed puberty, delayed bone age, hypothyroidism, impaired glucose tolerance, and diabetes mellitus) and the incidence of each disorder in thalassemia major. Methods There were 115 thalassemia major patients aged 10-18 years involved in our cross-sectional study from June 2019 - June 2020 in the Pediatrics Department, DR. M Hosein Hospital, Palembang, South Sumatera. Anthropometry and socioeconomic status informations were collected from physical examination and interview. Ferritin, FT4, TSH, Hb and glucose levels measured by using standard methods for each item in the laboratory, mean while the skeletal age assessment was determined by using FELS method. Results This study included 83 (72.2%) girls and 32 (27.8%) boys. There were 89 (77.4%) subjects with short stature, 74 (64.4%) with delayed bone age, 30 (26.1%) with impaired glucose tolerance, 25 (21.7%) with delayed puberty, 4 (3.5%) with diabetes mellitus (DM), and none with hypothyroidism. Bivariate and multivariate analyses revealed no associations between serum ferritin and short stature, delayed bone age, impaired glucose tolerance, delayed puberty, and DM. Conclusion There is a high prevalence of endocrine disorders in pediatric thalassemia patients, especially short stature and delayed bone age. However, there are no associations between serum ferritin and endocrine disorders in these patients.