piR-hsa-12178	piR-32051	Kidney cancer		up-regulated		25998508
piR-hsa-32052	piR-39894	Kidney cancer		up-regulated		25998508
piR-hsa-5773	piR-43607	Kidney cancer		up-regulated		25998508
piR-hsa-1077	piR-30924	Kidney cancer		down-regulated in non-metastatic vs normal; up-regulated in metastatic vs non-metastatic		26071182
piR-hsa-20266	piR-57125	Kidney cancer		down-regulated in non-metastatic vs normal; down-regulated in metastatic vs non-metastatic		26071182
piR-hsa-30978	piR-38756	Kidney cancer		down-regulated in non-metastatic vs normal; up-regulated in metastatic vs non-metastatic		26071182