. Author manuscript; available in PMC: 2016 Aug 15.

Published in final edited form as: Inflamm Bowel Dis. 2014 Dec;20(12):2353–2363. doi: 10.1097/MIB.0000000000000239

Table 1. PBTs.

Transcript set	Biologic description^a	Interpretation
QCAT	Quantitative cytotoxic T cell – associated transcripts	Burden of effector T cells
GRIT	IFNG – induced transcripts induced in rejecting tissue	Burden of IFNG effects
Top 30 TCMR transcripts	Transcripts most specific for TCMR in human kidney transplants	Transcripts best reflecting cognate interactions between effector T cells and antigen-presenting cells in tissue
QCMAT	Quantitative constitutive macrophage associated transcripts	Burden of macrophages
IRRAT	Injury- and repair-induced transcripts in acutely injured parenchyma	Parenchymal response to acute injury with epithelial repair and remodeling.
KT1	Kidney parenchymal transcripts	Normal kidney parenchymal functions
CT1	Colon parenchymal transcripts	Normal colon parenchymal functions
KT2	Kidney parenchymal solute carrier transcripts	Normal kidney parenchymal solute transport
CT2	Colon parenchymal solute carrier transcripts	Normal colon parenchymal solute transport

See Materials and Methods for references to transcript sets