Proteomics

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Phosphoproteome of ecto-ATP synthase blockade in tumor xenograft tissues


ABSTRACT: ATP synthase is crucial for ATP synthesis in living cells. Recently, ATP synthase was found not only in mitochondria but also on the extracellular surface, named as ectopic ATP synthase (ecto-ATP synthase). ATP synthase inhibitor is a potential drug candidate to fight cancer by blocking the ecto-ATP synthase of cells. In this study, we applied dynamic phosphoproteomics to elucidate the molecular responses to ecto-ATP synthase blockade.

INSTRUMENT(S): TripleTOF 5600

ORGANISM(S): Homo Sapiens (human)

TISSUE(S): Epithelial Cell, Lung Cancer Cell

DISEASE(S): Non-small Cell Lung Carcinoma

SUBMITTER: Chia-Wei Hu  

LAB HEAD: Hsueh-Fen Juan

PROVIDER: PXD000701 | Pride | 2015-11-06

REPOSITORIES: Pride

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Publications

Temporal Phosphoproteome Dynamics Induced by an ATP Synthase Inhibitor Citreoviridin.

Hu Chia-Wei CW   Hsu Chia-Lang CL   Wang Yu-Chao YC   Ishihama Yasushi Y   Ku Wei-Chi WC   Huang Hsuan-Cheng HC   Juan Hsueh-Fen HF  

Molecular & cellular proteomics : MCP 20151026 12


Citreoviridin, one of toxic mycotoxins derived from fungal species, can suppress lung cancer cell growth by inhibiting the activity of ectopic ATP synthase, but has limited effect on normal cells. However, the mechanism of citreoviridin triggering dynamic molecular responses in cancer cells remains unclear. Here, we performed temporal phosphoproteomics to elucidate the dynamic changes after citreoviridin treatment in cells and xenograft model. We identified a total of 829 phosphoproteins and dem  ...[more]

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