Shin, Jihye Rhim, Jiheon Kwon, Yumi Choi, Sunyoung Shin, Sungho Ha, Chul-Won Lee, Cheolju 2024-01-19T20:34:00Z 2024-01-19T20:34:00Z 2021-09-02 2019-02-28 2045-2322 https://pubs.kist.re.kr/handle/201004/120323 Despite the increased interest in secretomes associated with paracrine/autocrine mechanisms, the majority of mass spectrometric cell secretome studies have been performed using serum-free medium (SFM). On the other hand, serum-containing medium (SCM) is not recommended very much because the secretome obtained with SCM is easily contaminated with fetal bovine serum (FBS) proteins. In this study, through the combination of bioorthogonal non-canonical amino acid tagging (BONCAT) and pulsed-SILAC (pSILAC), we analyzed differentially secreted proteins between SFM and SCM in a cancer-derived human cell, U87MG, and a mesenchymal stem cell derived from human Wharton's jelly (hWJ-MSCs). In most cases, the bioinformatic tools predicted a protein to be truly secretory when the secretion level of the protein was more in SCM than in SFM. In the case of hWJ-MSCs, the amount of proteins secreted in SCM for 24 hours was larger than that of SFM (log(2) fold change = 0.96), even considering different cell proliferation rates. hWJ-MSCs proteins secreted more in SCM included several positive markers of MSC paracrine factors implicated in angiogenesis, neurogenesis and osteogenesis, and upstream regulators of cell proliferation. Our study suggests the analysis of the secretome should be processed in SCM that promotes cell proliferation and secretion. English NATURE PUBLISHING GROUP MESENCHYMAL STEM-CELLS ENDOTHELIAL GROWTH-FACTOR NEWLY SYNTHESIZED PROTEINS BONE REPAIR IDENTIFICATION CANCER PREDICTION QUANTIFICATION ANGIOGENESIS DYNAMICS Comparative analysis of differentially secreted proteins in serum-free and serum-containing media by using BONCAT and pulsed SILAC Article 10.1038/s41598-019-39650-z 1 SCIENTIFIC REPORTS, v.9 SCIENTIFIC REPORTS 9 scie scopus 000459897600030 2-s2.0-85062275564 Multidisciplinary Sciences Science & Technology - Other Topics Article MESENCHYMAL STEM-CELLS ENDOTHELIAL GROWTH-FACTOR NEWLY SYNTHESIZED PROTEINS BONE REPAIR IDENTIFICATION CANCER PREDICTION QUANTIFICATION ANGIOGENESIS DYNAMICS