Table 5 Matrix of different reference gene combinations in different tissues

let-7a

–

–

–

–

–

–

–

–

–

miR-140-3p

2.762

–

–

–

–

–

–

–

–

miR-21

1.577

2.311

–

–

–

–

–

–

–

miR-15c

2.332

1.298

2.562

–

–

–

–

–

–

miR-26b

0.661

2.864

1.824

2.218

–

–

–

–

–

miR-92-5p

1.811

1.783

2.042

1.726

1.756

–

–

–

–

miR-145a-5p

1.328

2.465

2.036

2.78

1.124

2.119

–

–

–

5 s rRNA

3.44

2.745

3.07

3.002

3.228

3.064

3.136

–

–

U6

0.985

3.228

1.756

3.11

0.867

2.198

1.033

3.176

–

18 s rRNA

3.541

3.186

3.426

3.464

3.398

3.345

3.422

2.033

3.348