The secreted protein c10orf118 is a new regulator of hyaluronan synthesis involved in tumour-stroma cross-talk

Patrizia Cancemi, Flavia Contino, Manuela Viola, Paola Moretto, Ilaria Caon, Elena Caravà, Barbara Bartolini, Arianna Parnigoni, Maria Luisa D’Angelo, Evgenia Karousou, Patrizia Cancemi, Davide Vigetti, Alberto Passi, Nikos K. Karamanos

Risultato della ricerca: Articlepeer review

Abstract

Interaction between cancer cells and their microenvironment is central in defining the fate of cancer development. Tumour cells secrete signals (cytokines, chemokines, growth factors) that modify the surrounding area, while the niche supplies structures and activities necessary for tumour maintenance and growth. Hyaluronan (HA) is a glycosaminoglycan that constitute cancer cell niche and is known to influence tumour functions such as proliferation, migration and neoangiogenesis. The knowledge of the factors regulating HA synthesis and size is crucial in understanding the mechanisms sustaining tumour development. Here we show that a yet uncharacterized protein secreted by breast tumour cell lines, named c10orf118 (accession number NM_018017 in NCBI/BLAST, and Q7z3E2 according to the Uniprot identifier), with a predicted length of 898 amino acids, can induce the secretion of HA by stromal fibroblasts through the up-regulation of the hyaluronan synthase 2 gene (HAS2). Intracellularly, this protein is localized in the Golgi apparatus with a possible role in vesicle maturation and transport. The expression of c10orf118 was verified in breast cancer patient specimens and was found to be associated with the presence of estrogen receptor that characterizes a good patient survival. We suggest c10orf118 as a new player that influences the HA amount in breast cancer microenvironment and is associated with low aggressiveness of cancer.
Lingua originaleEnglish
pagine (da-a)1-22
Numero di pagine22
RivistaCancers
Volume13
Stato di pubblicazionePublished - 2021

All Science Journal Classification (ASJC) codes

  • ???subjectarea.asjc.2700.2730???
  • ???subjectarea.asjc.1300.1306???

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