COVID-19 Vaccine Efficacy Linked to Genetic Variants

Research conducted by National Hospital Organization Tokyo National Hospital revealed a significant association between specific human leukocyte antigen (HLA) polymorphisms and the production of antibodies in response to COVID-19 vaccination. The study focused on 87 Japanese rheumatoid arthritis patients who received the BNT162b2 vaccine, finding that certain HLA alleles were strongly correlated with the production of anti-SARS-CoV-2 antibodies.

Key Takeaways:

  • The study identified specific HLA polymorphisms associated with vaccine efficacy in Japanese rheumatoid arthritis patients, including * * DRB1*12:01* * and * * DQB1*03:01* *.
  • The HLA alleles * * DRB1*15:01* * and * * DQB1*06:02* * were found to be more prevalent in patients who responded to the vaccine with neutralizing antibodies.
  • Logistic regression analysis confirmed the independent associations between HLA alleles and anti-SARS-CoV-2 antibody production.
  • The research highlighted the importance of considering genetic factors in predicting vaccine efficacy and developing personalized treatment strategies for patients.

Statistics:

  • The study analyzed 87 Japanese rheumatoid arthritis patients who were vaccinated with BNT162b2.
  • The HLA alleles * * DRB1*12:01* * and * * DQB1*03:01* * were significantly positively associated with anti-SARS-CoV-2 antibody production (p = 0.0225 and p < 0.001, respectively).
  • Patients carrying the * * DRB1*15:01* * and * * DQB1*06:02* * alleles had higher odds ratios for neutralizing antibody production (OR 9.26 and OR 7.00, respectively).
  • The study demonstrated that the primary drivers of these associations are the HLA alleles * * DRB1* *.

Sources:

  • NewsRx. National Hospital Organization Tokyo National Hospital Researchers Advance Knowledge in COVID-19 (Associations of * * HLA* * Polymorphisms with Anti-SARS-CoV-2 Spike and Neutralizing Antibody Titers in Japanese Rheumatoid Arthritis Patients ...). Vaccine Weekly. March 15, 2023; p 339.
  • Higuchi T, Oka S, Furukawa H, et al. Associations of * * HLA* * Polymorphisms with Anti-SARS-CoV-2 Spike and Neutralizing Antibody Titers in Japanese Rheumatoid Arthritis Patients Vaccinated with BNT162b2. Vaccines, 2023,11(404):404. (Vaccines - http://www.mdpi.com/journal/vaccines).