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Proteomic analysis of 3D cultures of fibroblasts and Ras-transformed HaCaT keratinocytes

ABSTRACT: HaCaT, and its three retrovirally c-Ha-ras-transformed subclones, A5, II-4 and RT3 (abbreviated as ras-HaCaTs in the text) that exhibit benign, invasive and malignant phenotypes, respectively, were cultured as 3D monocultures and co-cultures with fibroblasts. After hypotonic lysis of the cells, the insoluble proteins were analysed by LC-MS/MS.

INSTRUMENT(S): Q Exactive

ORGANISM(S): Homo Sapiens (human)

TISSUE(S): Keratinocyte, Fibroblast

SUBMITTER: Pekka Rappu

LAB HEAD: Jyrki Heino

PROVIDER: PXD013113 | Pride | 2019-09-10

REPOSITORIES: Pride

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			Action	DRS
	170602_A5_ANTMAR_nr1.raw	Raw
	170602_A5_ANTMAR_nr2.raw	Raw
	170602_A5_ANTMAR_nr2_170604154751.raw	Raw
	170602_A5_nr1.raw	Raw
	170602_A5_nr2.raw	Raw

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Publications

H-Ras activation and fibroblast-induced TGF-β signaling promote laminin-332 accumulation and invasion in cutaneous squamous cell carcinoma.

Siljamäki Elina E Rappu Pekka P Riihilä Pilvi P Nissinen Liisa L Kähäri Veli-Matti VM Heino Jyrki J

Matrix biology : journal of the International Society for Matrix Biology 20191024

Cutaneous squamous cell carcinoma (cSCC) is the most common metastatic skin cancer, with increasing incidence worldwide. The molecular basis of cSCC progression to invasive and metastatic disease is still incompletely understood. Here, we show that fibroblasts and transforming growth factor-β (TGF-β) signaling promote laminin-332 synthesis in cancer cells in an activated H-Ras-dependent manner, which in turn promotes cancer cell invasion. Immunohistochemical analysis of sporadic UV-induced invas ...[more]

PMID: 31655292

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