Evaluate the collective function of references cited together in a given text segment.
Classify their combined role into one of the following categories: 'method', 'background', or 'result'.

Text:TRIM28 has been shown to mediate repression of endogenous retroelements in ESCs (Rowe et al., 2010; Turelli et al., 2014) via interactions with murine Zfp809 (Wolf et al.
Category: