HLA Class I and II Alleles in Anti-Acetylcholine Receptor Antibodies Positive and Double-Seronegative Myasthenia Gravis Patients of Romanian Descent
2024

HLA Alleles and Myasthenia Gravis in Romanian Patients

Sample size: 40 publication 10 minutes Evidence: moderate

Author Information

Author(s): Cristina Georgiana Croitoru, Daniela Constantinescu, Mariana Pavel-Tanasa, Dan Iulian Cuciureanu, Corina Maria Cianga, Diana Nicoleta Hodorog, Petru Cianga

Primary Institution: Grigore T. Popa University of Medicine and Pharmacy, Iași, Romania

Hypothesis

This study aimed to analyze the associations of HLA Class I and II alleles with myasthenia gravis and its serological subtypes in myasthenic patients of Romanian descent.

Conclusion

The study found both distinct and common etiopathogenic mechanisms between double-seronegative myasthenia gravis and anti-acetylcholine receptor positive myasthenia gravis.

Supporting Evidence

  • 40 patients were included in the study, with 80% being female.
  • The study confirmed previously acknowledged allelic associations with myasthenia gravis.
  • New potential associations were found between specific HLA alleles and myasthenia gravis subtypes.
  • Significant positive associations were identified for HLA-B*08, DRB1*14:54, and DRB1*16:01.

Takeaway

Researchers looked at how certain genes might be linked to a disease called myasthenia gravis in Romanian patients, finding some new connections.

Methodology

Adult Romanian myasthenic patients were genotyped for HLA alleles using next-generation sequencing, and compared to descent-matched controls.

Potential Biases

Potential bias due to the small number of patients and the nature of the control groups used.

Limitations

The study had a small sample size and was limited by the reluctance of patients to undergo genetic testing.

Participant Demographics

The study included 40 myasthenic patients, predominantly female (80%), with a median age of 42.5 years.

Statistical Information

P-Value

p = 0.014

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.3390/neurolint16060130

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