Proteomics

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Phosphoproteome of Tanshinone IIA treatment in Human gastric cell line AGS


ABSTRACT: Gastric cancer is one of the world common causes of cancer death. Many people have suffered, but yet therapeutic methods found. May studies have showedthat Tanshinone IIA, a diterpenequinone, which extracted from the traditional herbal medicine Danshen (Salvia miltiorrhiza),has potential against many kind of cancer types. Our previous studies have demonstrated TIIA can kill gastric cancer AGS cells, but the response signalling is still unclear. Therefore, we used the time-dependent phosphoproteomic approach to reveal the regulatory effects of TIIA in AGS cells. Our results showed that a total of 1092 phosphoprotiens and 3332 phosphopeptides were identified in 3615 phosphorylation sites and 349 phosphosites corresponding to 220 phosphorylated proteins were significantly regulated. Furthermore, by using networkand functionalenrichmentanalyses, we found that TIIA regulated several cellular processesingastric cancer cells, such astranscription mRNA processing, DNA damage and protein unfolding response. Finally, we further validated that TIIA caused protein unfolding response and DNA damage via inducing ROS production. These findings not only uncover the molecular mechanisms mediated by TIIA but also contribute to the development of gastric cancer therapy.

INSTRUMENT(S): LTQ Orbitrap

ORGANISM(S): Homo Sapiens (human)

TISSUE(S): Epithelial Cell, Cell Culture

SUBMITTER: Chieh-Fan Yin  

LAB HEAD: Hsueh-Fen Juan

PROVIDER: PXD005093 | Pride | 2020-03-18

REPOSITORIES: Pride

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Publications

Phosphoproteome Analysis Reveals Dynamic Heat Shock Protein 27 Phosphorylation in Tanshinone IIA-Induced Cell Death.

Yin Chieh-Fan CF   Kao Shih-Chieh SC   Hsu Chia-Lang CL   Chang Yi-Wen YW   Cheung Chantal Hoi Yin CHY   Huang Hsuan-Cheng HC   Juan Hsueh-Fen HF  

Journal of proteome research 20200323 4


Gastric cancer is one of the most common types of cancer worldwide. Nevertheless, effective therapeutic strategies have not yet been discovered. Several studies have shown that tanshinone IIA (TIIA), which is extracted from the traditional herbal medicine plant Danshen (<i>Salvia miltiorrhiza</i>), has potential activity against many kinds of cancer. Our previous research demonstrated that TIIA can induce cell death in gastric cancer. However, the exact signaling pathway response is still unclea  ...[more]

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