FcγRIIa defunctioning polymorphism in paediatric patients with renal allograft

Fatina I. Fadel; Manal F. Elshamaa; Ahmed Salah; Eman A. Elghoroury; Safaa Abd El-Rahman; Mona Hamed Ibrahim; Solaf Kamel

doi:10.5114/ceji.2017.72817

eISSN: 1644-4124
ISSN: 1426-3912

Central European Journal of Immunology

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4/2017
vol. 42

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abstract:

Clinical immunology

FcγRIIa defunctioning polymorphism in paediatric patients with renal allograft

Fatina I. Fadel

,

Manal F. Elshamaa

,

Ahmed Salah

,

Eman A. Elghoroury

,

Safaa Abd El-Rahman

,

Mona Hamed Ibrahim

,

Solaf Kamel

(Centr Eur J Immunol 2017; 42 (4): 363-369)

DOI: https://doi.org/10.5114/ceji.2017.72817

Online publish date: 2017/12/30

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Introduction: Fc gamma receptor (FcγR) IIa is considered the most widely distributed of the three classes of Fc receptors, and it expresses an allelic polymorphism. This type of polymorphism may modify the immune response and may be an important factor for some diseases. The aim of the study reported herein was to evaluate the association between the FcγRIIa polymorphism and susceptibility to both end-stage renal disease (ESRD) and acute kidney graft rejection (AR) in children who have undergone renal transplantation.

Material and methods: The study evaluated 70 children who had undergone transplantation and 60 healthy subjects. AR was observed in 25 children.

Results: FcγRIIa genotypes and alleles were significantly different between transplantation patients and the control group. The assessment for FcγR of the groups in which AR was present showed that there was only a risk of having an acute rejection in homozygous genotype RR.

Conclusions: FcγRIIa RR genotype and allele frequency was increased in paediatric renal transplant recipients. The present findings showed that FcγRIIa genotype may be related to ESRD disease susceptibility, and FcγRIIa polymorphisms seemed to affect AR.

keywords:

FcγRIIa defunctioning polymorphism in paediatric patients with renal allograft

Fatina I. Fadel , Manal F. Elshamaa , Ahmed Salah , Eman A. Elghoroury , Safaa Abd El-Rahman , Mona Hamed Ibrahim , Solaf Kamel

Fcγ receptors, FcγRIIa, polymorphism, acute rejection, paediatric renal allograft

Fatina I. Fadel

,

Manal F. Elshamaa

,

Ahmed Salah

,

Eman A. Elghoroury

,

Safaa Abd El-Rahman

,

Mona Hamed Ibrahim

,

Solaf Kamel