Conversely, low TGFβ1 production variants (C29T SNP and GCTG haplotype) were protective against HER2<sup>+</sup> tumors and correlated negatively with prognostic parameters in HER2<sup>+</sup> and TN BCs, while indicating higher proliferation rates in ER/PR<sup>+</sup>HER2<sup>-</sup> tumors.
Conversely, low TGFβ1 production variants (C29T SNP and GCTG haplotype) were protective against HER2<sup>+</sup> tumors and correlated negatively with prognostic parameters in HER2<sup>+</sup> and TN BCs, while indicating higher proliferation rates in ER/PR<sup>+</sup>HER2<sup>-</sup> tumors.
Conversely, low TGFβ1 production variants (C29T SNP and GCTG haplotype) were protective against HER2<sup>+</sup> tumors and correlated negatively with prognostic parameters in HER2<sup>+</sup> and TN BCs, while indicating higher proliferation rates in ER/PR<sup>+</sup>HER2<sup>-</sup> tumors.