Supplementary Table 2

Sl. no	GIST Mutation	Gene	Primer sequence Forward 5’-3’	Primer sequence Reverse 5’-3’
1	KIT exon 9	MAP1B	tccagagccaaacatcaaga	caacccttccaggatgttgt
2	PDGFRA	DLK1	atgctgcggaagaagaagaa	ttgtcacacagcagcacaaa
3	PDGFRA	PDGFRA	tgatgctttggaagatgcag	acacacacacccacaaatgc

A T7 promoter sequence (CTAATACGACTCACTATAGGG) was added to the 5’ end of either forward or reverse primer to generate sense or antisense probes.