Proteins extracted from the frozen specimens were homogenised in protein lysis buffer, loaded on SDS-PAGE and immunoblotted as previously described.10 (link) An Odissey FC Imaging System (LI-COR) was used for acquisition. Primary anti-CCAAT Enhancer Binding Protein Alpha (C/EBPα)(1:150, cat.#sc-9314) and actin (1:500, cat.#sc-1616) were purchased from Santa Cruz Biotechnology (Heidelberg, Germany). Primary anti-UVSSA (1:500, cat.# A09174) was purchased from Biocompare- BosterBio (Pleasanton, California, USA).
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