Correlation between urine macrophage migration inhibitory factor (MIF)/creatinine ratio and time after kidney transplantation

Authors

  • ,Rozita Hoseini Urology and Nephrology Research Center, Labbafi Nejad Hospital, Tehran, Iran.
  • Amir Ebrahim Safarzadeh Iran University of Medical Sciences and Health Services, Tehran, Iran.
  • Arash Bedayat Iran University of Medical Sciences and Health Services, Tehran, Iran.
  • Hasan Otukesh Urology and Nephrology Research Center, Labbafi Nejad Hospital, Tehran, Iran.
  • Majid Chalian Iran University of Medical Sciences and Health Services, Tehran, Iran.
  • Reza Salman Yazdi, Rooyan Institiute, Tehran, Iran.
  • Saeed Mahdavi Rooyan Institiute, Tehran, Iran.
  • Saeed Sabaghi Rooyan Institiute, Tehran, Iran.
Abstract:

 Abstract  Background: Despite the long-standing association of macrophage migration inhibitory  factor (MIF) with delayed-type hypersensitivity response, the potential role  of MIF in chronic allograft nephropathy is unknown. The association between upregulation of MIF expression, macrophage and T cell infiltration and the severity of  chronic allograft nephropathy suggests that MIF may be an important mediator in the  process of chronic allograft nephropathy. Therefore, the aims of this study were to  measure urine concentration of MIF after renal transplantation, and to determine if it  increases with time.  Methods: In this prospective cross-sectional study twenty-two pediatric patients   (case, group A) who received kidney transplants between 1999 and 2006, and forty  healthy children (control, group B) were recruited. Urine MIF and creatinine were  assessed in all patients. Urine MIF concentrations were quantitated by ELISA.  Results: The mean ratios of urine MIF/Creatinine (Cr) were calculated as   5.046(SEM=2.04) pg/μmol creatinine in transplanted-kidney patients (group A) and   1.85(SEM=0.35) pg/μmol creatinine in healthy individuals (group B). Agood significant  correlation was seen between urine MIF/Cr ratio and time after kidney transplantation  in recipients (P=0.002, rSpearman = +0.633).  Conclusion: This study shows significant correlation between urine MIF/Cr ratio  and time passed after transplantation. Increasing MIF/Cr ratios were seen in patients  with a longer post transplantation period. Therefore, it is necessary to determine the  role of macrophages in chronic renal nephropathy especially chronic rejection with  additive studies and then study the effect of anti-MIF antibodies in the treatment of  this condition. 

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Journal title

volume 22  issue 2

pages  55- 62

publication date 2008-08

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