. "\"Any process that stops, prevents, or reduces the frequency, rate or extent of any TGF-beta receptor signaling pathway.\" [GOC:mah]" . . "negative regulation of transforming growth factor beta receptor signaling pathway" . "down regulation of transforming growth factor beta receptor signaling pathway" . "down-regulation of transforming growth factor beta receptor signaling pathway" . "downregulation of transforming growth factor beta receptor signaling pathway" . "negative regulation of TGF-beta receptor signaling pathway" . "negative regulation of TGFbeta receptor signaling pathway" . "negative regulation of transforming growth factor beta receptor signalling pathway" . "Reactome:REACT_105250 \"I-SMAD competes with SMAD2/3 for type I receptor (TGFBR1), Danio rerio\"" . "Reactome:REACT_113798 \"SKI complexes with the SMAD complex, suppressing TGF-beta signaling, Danio rerio\"" . "Reactome:REACT_6887 \"SKI complexes with the SMAD complex, suppressing TGF-beta signaling, Homo sapiens\"" . "Reactome:REACT_6909 \"I-SMAD competes with SMAD2/3 for type I receptor (TGFBR1), Homo sapiens\"" . "Reactome:REACT_78193 \"SKI complexes with the SMAD complex, suppressing TGF-beta signaling, Xenopus tropicalis\"" . "Reactome:REACT_79577 \"SKI complexes with the SMAD complex, suppressing TGF-beta signaling, Bos taurus\"" . "Reactome:REACT_81179 \"I-SMAD competes with SMAD2/3 for type I receptor (TGFBR1), Mus musculus\"" . "Reactome:REACT_82804 \"I-SMAD competes with SMAD2/3 for type I receptor (TGFBR1), Canis familiaris\"" . "Reactome:REACT_86702 \"SKI complexes with the SMAD complex, suppressing TGF-beta signaling, Rattus norvegicus\"" . "Reactome:REACT_87642 \"SKI complexes with the SMAD complex, suppressing TGF-beta signaling, Drosophila melanogaster\"" . "Reactome:REACT_88145 \"SKI complexes with the SMAD complex, suppressing TGF-beta signaling, Mus musculus\"" . "Reactome:REACT_90968 \"I-SMAD competes with SMAD2/3 for type I receptor (TGFBR1), Rattus norvegicus\"" . "Reactome:REACT_91943 \"SKI complexes with the SMAD complex, suppressing TGF-beta signaling, Canis familiaris\"" . "Reactome:REACT_93061 \"I-SMAD competes with SMAD2/3 for type I receptor (TGFBR1), Xenopus tropicalis\"" . "Reactome:REACT_93800 \"I-SMAD competes with SMAD2/3 for type I receptor (TGFBR1), Bos taurus\"" . "Reactome:REACT_95269 \"I-SMAD competes with SMAD2/3 for type I receptor (TGFBR1), Sus scrofa\"" . . . . "inhibition of transforming growth factor beta receptor signaling pathway" .