... activity, probably involving nuclear myosin 1β [42]. We have used an antibody to NM1β that we and others have employed previously [42], and analysed the nuclear distribution of this protein in ... 23. Yang SH, Chang SY, Ren S, Wang Y, Andres DA, Spielmann HP, Fong LG, Young SG: Absence of progeria-like disease phenotypes in knock -in mice expressing a non-farnesylated version of progerin. ... anti-NM1β antibody and a mouse anti-pKi67 (to reveal proliferating cells), the secondary antibodies were an donkey anti-mouse conjugated to FITC and swine anti-rabbit conjugated to TRITC. In proliferating...