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Related Experiment Videos

Living donor kidney transplants.

J Cicciarelli

    Clinical Transplants
    |January 1, 1988
    PubMed
    Summary

    Human leukocyte antigen (HLA) matching significantly impacts transplant graft survival, with 2-haplotype matching showing better long-term outcomes. Maternal donors and specific immunosuppression strategies also influence transplant success rates.

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    Multiplexed analysis of polymorphisms in the HLA gene complex using bead array chips.

    Tissue antigens·2004

    Area of Science:

    • Transplantation immunology
    • Histocompatibility

    Background:

    • Human leukocyte antigen (HLA) matching is critical for transplant success.
    • Recipient race and donor type can influence graft survival.
    • Immunosuppressive therapies like cyclosporine (CsA) are used to prevent rejection.

    Purpose of the Study:

    • To investigate the impact of HLA matching, recipient race, donor type, and immunosuppression on organ transplant survival.
    • To analyze graft survival rates at 1, 2, and 3 years post-transplant.

    Main Methods:

    • Retrospective analysis of transplant recipient data.
    • Comparison of graft survival rates based on HLA haplotype matching (0, 1, or 2 haplotypes).
    • Evaluation of outcomes based on recipient race, donor relationship (related/nonrelated, mother/father), and CsA use.

    Main Results:

    • 2-haplotype matched transplants showed significantly better graft survival than 1-haplotype matched transplants, especially at 2 and 3 years.
    • White recipients had better graft survival than black recipients in 2-haplotype matched transplants; no difference was observed in Asians.
    • Living nonrelated and 0-haplotype matched transplants had good initial survival but declined by year 2 or 3.
    • Maternal donors improved transplant survival in sensitized patients, potentially due to noninherited maternal antigens.
    • CsA showed limited benefit, except for a 1-year improvement in 1-HLA haplotype matched transplants, but worsened outcomes in mother-to-child transplants.

    Conclusions:

    • HLA matching, particularly 2-haplotype matching, is a strong predictor of long-term transplant graft survival.
    • Recipient race and donor source (maternal) can significantly affect transplant outcomes.
    • The role of CsA in graft survival is complex and context-dependent, with potential negative effects in specific scenarios like mother-to-child transplants.

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