HL-A phenotyping in an Indonesian population.

Area of Science:

• Immunogenetics
• Population genetics
• Human Leukocyte Antigen (HLA) system

Background:

• The Human Leukocyte Antigen (HLA) system plays a crucial role in immune response and transplantation.
• Understanding HLA antigen frequencies in diverse populations is vital for medical applications like organ transplantation and disease association studies.

Purpose of the Study:

• To determine the frequencies of 30 Human Leukocyte Antigen (HLA) antigens in an Indonesian population from Jakarta.
• To compare these frequencies with existing data from other Southeast Asian populations.

Main Methods:

• Serological typing was performed on a cohort of 95 Indonesian individuals residing in Jakarta.
• Frequencies of 30 specific HLA antigens were calculated based on the typing results.

Main Results:

• The Human Leukocyte Antigen (HLA) antigens HL-A9 (W24), HL-A11, and W15 were found at high frequencies within the studied Indonesian population.
• Conversely, HLA-A8, W14, and W22 antigens were notably absent in this cohort.
• The observed antigen frequencies demonstrated consistency with previously reported HLA typing data from Southeast Asian populations.

Conclusions:

• The HLA antigen profile of the Jakarta Indonesian population exhibits distinct characteristics, with certain antigens prevalent and others absent.
• These findings contribute to the broader understanding of HLA polymorphism across Southeast Asia.
• The data supports the utility of HLA typing in understanding population genetics and its implications for health and disease in the region.