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Table 3 Causal genes correctly highlighted by RIF across a range of species and biological circumstances

From: Beyond differential expression: the quest for causal mutations and effector molecules

Gene

Species, Phenotype

Independent evidence for gene function

RIF ranking

Differentially expressed

MSTN

Cattle muscle, Piedmontese hyper-muscularity versus normal

Mapping, deep sequencing [60]

1st out of 920 [1]

No

Alpha-Synuclein

Human brain, Parkinson’s disease versus healthy

Range of evidence including GWAS reviewed in [61]

Not formally stated in patent [55], presumably 1st

Unknown. Patent was established to identify causal variants by transcriptome wiring, even when not DE

CDK8

Human colon, colorectal cancer versus healthy

Colorectal cancer oncogene regulates B-catenin [54]

4th out of 1,292 [53]

No

P107

Human, brown fat tissue versus white fat tissue

P107 knockout mouse exhibits a uniform white to brown fat transition [62]

5th out of 552 [4]

No

DLK1

Sheep muscle, Callipyge hyper- muscularity versus normal

Not proven, but DLK1 is the most DE highly abundant gene, and its expression is maintained post-natally in effected muscles only.

4th out of 898 Unpublished data

Yes, 2.14-fold up- regulation in callipyge individuals across all time points explored.

INSM1

Pig, 6 CNS tissues versus 21 other tissues

Neuroendocrine differentiation [63]

1st out of 1,072 (submitted)

Yes, 3.8-Fold up- regulation in CNS

OXTR

Cattle muscle, steroid hormone induced muscling

No direct evidence, but OXT precursor is the most DE gene in this experiment, and is known to drive cardiac development.

2nd out of 2,944 [52]

No

CARM1

Human breast, breast cancer high survival versus low survival

Regulates estrogen stimulated breast cancer via E2F1 [64]

2nd out of 892 [4]

No

  1. RIF highlights the correct molecules irrespective of whether they are DE.