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All Journal Ophthalmologica Indonesiana
Ikhwanuliman Putera
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Health Professions Medicine & Pharmacology Public Health

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Affordable HLA-B27 Detection in Resource-Limited Settings: Evaluating Conventional PCR for Uveitis and Spondyloarthropathy in Indonesia Nora, Rina La Distia; Edwar, Lukman; Susiyanti, Made; Aziza, Yulia; Putera, Ikhwanuliman; Sifyana, Ulifna Alfiya; Riasanti, Mei; Waliyuddin, M Zakiy; Wibawa, Maria Valentina; Ethelind, Rachel; Widodo, Erica; Sitompul, Ratna
Majalah Oftalmologi Indonesia Vol 52 No 1 (2026): Ophthalmologica Indonesiana
Publisher : The Indonesian Ophthalmologists Association (IOA, Perhimpunan Dokter Spesialis Mata Indonesia (Perdami))

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35749/oi.v52i1.102039

Abstract

Introduction: HLA-B27 is a genetic marker strongly associated with spondyloarthropathy (SpA) and acute anterior uveitis (AAU). Detection of this allele can support earlier diagnosis and targeted management. However, commercially available HLA-B27 tests are costly and often inaccessible in low- and middle-income countries, including Indonesia. Methods: A cross-sectional study was conducted involving 42 subjects: 14 with SpA, 19 with AAU, and 9 healthy controls. DNA was extracted from peripheral blood samples and analyzed using both conventional PCR (targeting exon 3 of HLA-B27) and a commercial HLA-B27 strip assay. Sensitivity, specificity, and diagnostic accuracy of conventional PCR were calculated against the commercial kit as the reference standard. Results: Conventional PCR showed high sensitivity (100%) and accuracy (85.71%) in SpA patients, indicating its potential as a reliable screening tool in this group. However, its performance in AAU patients was suboptimal, with lower sensitivity (40%) and specificity (55.56%). False positives and false negatives were observed, likely due to limitations in allele coverage by conventional primers. Conclusion: Conventional PCR is a promising, affordable alternative for HLA-B27 detection in SpA patients, particularly in resource-limited settings. However, its lower reliability in AAU cases highlights the need for careful clinical application and further optimization. Larger studies and local allele mapping are recommended to enhance diagnostic precision in diverse populations.
Co-Authors Ani Melani Arief Kurniawan Aulia Bramantyo Aziza, Yulia Edhyana Sahiratmadja Eka D Safitri, Eka D Elvina Karyadi Ethelind, Rachel F. Nikodemus Hosea, F. Nikodemus Ikrar Syahmar Lukman Edwar M. Gema Ramadhan, M. Gema Made Susiyanti Natalia R Sutanto, Natalia R Nora, Rina La Distia Ratna Sitompul Riasanti, Mei Shafira Anindya, Shafira Sifyana, Ulifna Alfiya Trevino A. Pakasi Waliyuddin, M Zakiy Wibawa, Maria Valentina Widodo, Erica