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MRNA Expression of Interferon Regulatory Factors during Acute Rejection of Liver Transplants in Patients with Autoimmune Hepatitis.


ABSTRACT:

Background

Interferon regulatory factors (IRFs) can play a critical role in the regulation of many facets of innate and adaptive immune responses through transcriptional activation of type I interferons, other proinflammatory cytokines, and chemokines. However, their roles in transplantation immunity still remain to be elucidated.

Objective

To evaluate the time course of mRNA expression of all 9 members of IRFs family of transcription factors during liver allograft acute rejection.

Methods

Blood samples of 19 patients with autoimmune hepatitis receiving liver transplants were collected on days 1, 3, 5, and 7 post-transplantation. The patients were followed for 6 months after transplantation and divided into two groups of acute rejection (AR) (n=4) and non-acute rejection (non-AR) (n=15).

Results

All of the studied transcription factors were down-regulated in AR-group on days 3, 5, and 7 post-transplantation compared to non-AR group. The mean±SEM IRF5 on day 7 post-transplantation was significantly (p=0.005) lower in AR-group than in non-AR group (0.7±0.21 vs. 1.91±0.27, respectively); expression of other IRFs family members was not significantly different between the two groups on days 3, 5, and 7 post-transplantation.

Conclusion

IRF5 may have an important role during the acute rejection of liver transplants.

SUBMITTER: Nasiri M 

PROVIDER: S-EPMC5839628 | biostudies-literature | 2018

REPOSITORIES: biostudies-literature

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Publications

mRNA Expression of Interferon Regulatory Factors during Acute Rejection of Liver Transplants in Patients with Autoimmune Hepatitis.

Nasiri M M   Geramizadeh B B   Nabavizadeh S H SH   Male-Hosseini S A SA   Karimi M H MH   Saadat I I  

International journal of organ transplantation medicine 20180201 1


<h4>Background</h4>Interferon regulatory factors (IRFs) can play a critical role in the regulation of many facets of innate and adaptive immune responses through transcriptional activation of type I interferons, other proinflammatory cytokines, and chemokines. However, their roles in transplantation immunity still remain to be elucidated.<h4>Objective</h4>To evaluate the time course of mRNA expression of all 9 members of IRFs family of transcription factors during liver allograft acute rejection  ...[more]

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