EVALUATION OF FCγRIIIB-NA1/NA2 POLYMORPHISM IN VISCERAL LEISHMANIASIS

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ABASI MOHAMMAD; LOTFI PEGAH; BAZMANI AHAD; MATINI MOHAMAD; HAJILOOI MEHRDAD

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Journal: Iranian Red Crescent Medical Journal Year:2014 | Volume:16 | Issue:4 Page(s): 1-4

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Title

EVALUATION OF FCγRIIIB-NA1/NA2 POLYMORPHISM IN VISCERAL LEISHMANIASIS

Author(s)

Keywords

POLYMORPHISM

GENETIC

LEISHMANIASIS

VISCERAL

IRAN

Abstract

Background: Several lines of evidence demonstrating that innate and adaptive immunity play important roles in the defense against VISCERAL LEISHMANIASIS (VL). A POLYMORPHISM within the FcgRIIIB gene can lead to the expression of three variants of NA1, NA2, and the combined one (NA1/NA2) which alters affinity of IgG to its receptor.Objectives: The main aim of this study was to evaluate the FcgRIIIB-NA1/NA2 POLYMORPHISM in the FcgRIIIB gene of VL patients in comparison to healthy controls.Patients and Methods: In this cross-sectional study, three groups, 54 seropositive patients with clinical presentation of VL (group 1), 104 seropositive patients without clinical presentation (group 2), and 104 healthy controls (group 3) were evaluated with respect to the FcgRIIIB-NA1/NA2 POLYMORPHISM using a PCR-SSP method. The titration of anti-leishmania antibodies was analyzed using an immunoflorescence technique.Results: Our results indicated that POLYMORPHISMs within the FcγRIIIB gene (that lead to the expression of the NA1/NA2 isoforms) are significantly associated with VL. The results demonstrated that the genotype heterozygotic for FcgRIIIB-NA1/NA2 expression was significantly increased in VL patients, group 1 when compared to groups 2 and 3. Conversely, there is a decrease in homozygous NA1 and NA2 genotypes in VL patients, however, the overall frequency of NA1 and NA2 alleles appear similar across the three cohorts examined.Conclusions: According to our results, it is likely that the increased frequency of the FcgRIIIB-NA1/NA2 genotype is associated with impaired immune responses against VL and its subsequent clearance from the patient.

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APA: Copy

ABASI, MOHAMMAD, LOTFI, PEGAH, BAZMANI, AHAD, MATINI, MOHAMAD, & HAJILOOI, MEHRDAD. (2014). EVALUATION OF FCγRIIIB-NA1/NA2 POLYMORPHISM IN VISCERAL LEISHMANIASIS. IRANIAN RED CRESCENT MEDICAL JOURNAL (IRCMJ), 16(4), 1-4. SID. https://sid.ir/paper/292518/en

Vancouver: Copy

ABASI MOHAMMAD, LOTFI PEGAH, BAZMANI AHAD, MATINI MOHAMAD, HAJILOOI MEHRDAD. EVALUATION OF FCγRIIIB-NA1/NA2 POLYMORPHISM IN VISCERAL LEISHMANIASIS. IRANIAN RED CRESCENT MEDICAL JOURNAL (IRCMJ)[Internet]. 2014;16(4):1-4. Available from: https://sid.ir/paper/292518/en

IEEE: Copy

MOHAMMAD ABASI, PEGAH LOTFI, AHAD BAZMANI, MOHAMAD MATINI, and MEHRDAD HAJILOOI, “EVALUATION OF FCγRIIIB-NA1/NA2 POLYMORPHISM IN VISCERAL LEISHMANIASIS,” IRANIAN RED CRESCENT MEDICAL JOURNAL (IRCMJ), vol. 16, no. 4, pp. 1–4, 2014, [Online]. Available: https://sid.ir/paper/292518/en

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