MicroRNA expression profiles predictive of human renal allograft status

Dany Anglicheau, Vijay K. Sharma, Ruchuang Ding, Aurélie Hummel, Catherine Snopkowski, Darshana Dadhania, Surya V. Seshan, Manikkam Suthanthiran

Research output: Contribution to journalArticle

239 Citations (Scopus)

Abstract

Immune rejection of organ transplants is a life-threatening complication and is exemplified by alterations in the expression of proteinencoding genes. Because microRNAs (miRNAs) regulate the expression of genes implicated in adaptive immunity, we investigated whether acute rejection (AR) is associated with alterations in miRNA expression within allografts and whether expression profiles are diagnostic of AR and predict allograft function. Seven of 33 renal allograft biopsies (12 AR and 21 normal) were profiled using microfluidic cards containing 365 mature human miRNAs (training set), and a subset of differentially expressed miRNAs were quantified in the remaining 26 allograft biopsies (validation set). We found a strong association between intragraft expression of miRNAs and messenger RNAs (mRNAs), and that AR, and renal allograft function, could be predicted with a high level of precision using intragraft levels of miRNAs. Our investigation of miRNA expression in normal human peripheral blood mononuclear cells (PBMCs) showed that miRNAs (miR-142-5p, -155, and -223) overexpressed in AR biopsies are highly expressed in PBMCs, and that stimulation with the mitogen phytohaemagglutinin results in an increase in the abundance of miR-155 and a decrease in miR-223 and let-7c. Quantification of miRNAs in primary cultures of human renal epithelial cells (HRECs) showed that miR-30a-3p, -10b, and let-7c are highly expressed in HRECs, and that stimulation results in a decreased expression of miR-30a-3p. Our studies, in addition to suggesting a cellular basis for the altered intragraft expression of miRNAs, propose that miRNA expression patterns may serve as biomarkers of human renal allograft status.

Original languageEnglish
Pages (from-to)5330-5335
Number of pages6
JournalProceedings of the National Academy of Sciences of the United States of America
Volume106
Issue number13
DOIs
Publication statusPublished - 31 Mar 2009
Externally publishedYes

Fingerprint

MicroRNAs
Allografts
Kidney
Biopsy
Blood Cells
Epithelial Cells
Gene Expression
Microfluidics
Phytohemagglutinins
Adaptive Immunity
Mitogens
Biomarkers
Transplants
Messenger RNA

Keywords

  • Acute rejection
  • Biomarkers
  • MiRNA
  • MRNA
  • Renal transplantation

ASJC Scopus subject areas

  • General

Cite this

MicroRNA expression profiles predictive of human renal allograft status. / Anglicheau, Dany; Sharma, Vijay K.; Ding, Ruchuang; Hummel, Aurélie; Snopkowski, Catherine; Dadhania, Darshana; Seshan, Surya V.; Suthanthiran, Manikkam.

In: Proceedings of the National Academy of Sciences of the United States of America, Vol. 106, No. 13, 31.03.2009, p. 5330-5335.

Research output: Contribution to journalArticle

Anglicheau, Dany ; Sharma, Vijay K. ; Ding, Ruchuang ; Hummel, Aurélie ; Snopkowski, Catherine ; Dadhania, Darshana ; Seshan, Surya V. ; Suthanthiran, Manikkam. / MicroRNA expression profiles predictive of human renal allograft status. In: Proceedings of the National Academy of Sciences of the United States of America. 2009 ; Vol. 106, No. 13. pp. 5330-5335.
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