Proteomics

Dataset Information

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Secretome of cancer-associated fibroblasts (CAFs) influences drug sensitivity in cancer cells


ABSTRACT: Resistance is a major problem with effective cancer treatment and the stroma forms a significant portion of the tumor mass but traditional drug screens involve cancer cells alone. Cancer-associated fibroblasts (CAFs) are a major tumor stroma component and its secreted proteins may influence the function of cancer cells. The majority of secretome studies compare different cancer or CAF cell lines exclusively. Here, we present the direct characterization of the secreted protein profiles between CAFs and KRAS mutant-cancer cell lines from colorectal, lung, and pancreatic tissues using multiplexed mass spectrometry. 2573 secreted proteins were annotated, and differential analysis highlighted understudied CAF-enriched secreted proteins, including Wnt family member 5B (WNT5B), in addition to established CAF markers, such as collagens. The functional role of CAF secreted proteins was explored by assessing its effect on the response to 97 anticancer drugs since stromal cells may cause a differing cancer drug response, which may be missed on routine drug screening using cancer cells alone. CAF secreted proteins caused specific effects on each of the cancer cell lines, which highlights the complexity and challenges in cancer treatment and so the importance to consider stromal elements.

INSTRUMENT(S): Orbitrap Fusion Lumos

ORGANISM(S): Homo Sapiens (human)

SUBMITTER: Graeme Benstead-Hume  

LAB HEAD: Jyoti Choudhary

PROVIDER: PXD048307 | Pride | 2024-05-29

REPOSITORIES: Pride

Dataset's files

Source:
Action DRS
Basic_TMT_MS2.pdConsensusWF Other
COSMICv1_GenV36_CLDB_CAPAN-1.fasta Fasta
COSMICv1_GenV36_CLDB_DAN-G.fasta Fasta
COSMICv1_GenV36_CLDB_NCI-H1792.fasta Fasta
COSMICv1_GenV36_CLDB_NCI-H2030.fasta Fasta
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Publications

Secretome of Cancer-Associated Fibroblasts (CAFs) Influences Drug Sensitivity in Cancer Cells.

Lau Rachel R   Yu Lu L   Roumeliotis Theodoros I TI   Stewart Adam A   Pickard Lisa L   Choudhary Jyoti S JS   Banerji Udai U  

Journal of proteome research 20240520 6


Resistance is a major problem with effective cancer treatment and the stroma forms a significant portion of the tumor mass but traditional drug screens involve cancer cells alone. Cancer-associated fibroblasts (CAFs) are a major tumor stroma component and its secreted proteins may influence the function of cancer cells. The majority of secretome studies compare different cancer or CAF cell lines exclusively. Here, we present the direct characterization of the secreted protein profiles between CA  ...[more]

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