S100A6 and Miyoshi myopathy: Before our investigations, S100A6 in MM had never been documented, however, high levels of both annexin A2 and S100A6 have been associated with poor prognosis in gastric cancer (Zhang et al., 2012), while high serum levels of S100A6 correlated with lymph node metastasis and TNM stage (Zhang et al., 2014).