TGFB1 and myopathy: Elevated levels of both MMPs (Bani et al., 2008; Li et al., 2009; Hindi et al., 2013) and TGFβ1 (Murakami et al., 1999; Salvadori et al., 2005; Noda et al., 2017) have also been reported a variety of myopathies, including fibrotic forms.