The phosphorylation status of PIP5K1C at serine 448 can be predictive for invasive ductal carcinoma of the breast

Nisha Durand, Sahra Borges, Tavia Hall, Ligia Bastea, Heike Döppler, Brandy H. Edenfield, E Aubrey Thompson, Xochiquetzal Geiger, Peter Storz

Research output: Contribution to journalArticle

Abstract

Phosphatidylinositol-4-phosphate 5-kinase type-1C (PIP5K1C) is a lipid kinase that regulates focal adhesion dynamics and cell attachment through site-specific formation of phosphatidylinositol-4,5-bisphosphate (PI4,5P2). By comparing normal breast tissue to carcinoma in situ and invasive ductal carcinoma subtypes, we here show that the phosphorylation status of PIP5K1C at serine residue 448 (S448) can be predictive for breast cancer progression to an aggressive phenotype, while PIP5K1C expression levels are not indicative for this event. PIP5K1C phosphorylation at S448 is downregulated in invasive ductal carcinoma, and similarly, the expression levels of PKD1, the kinase that phosphorylates PIP5K1C at this site, are decreased. Overall, since PKD1 is a negative regulator of cell migration and invasion in breast cancer, the phosphorylation status of this residue may serve as an indicator of aggressiveness of breast tumors.

Original languageEnglish (US)
Pages (from-to)36358-36370
Number of pages13
JournalOncotarget
Volume9
Issue number91
StatePublished - Nov 1 2018

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Carcinoma, Ductal, Breast
Serine
Phosphorylation
Ductal Carcinoma
Breast Neoplasms
Focal Adhesion Protein-Tyrosine Kinases
Carcinoma in Situ
Phosphatidylinositols
Cell Movement
Breast
Phosphotransferases
Down-Regulation
1-phosphatidylinositol-4-phosphate 5-kinase
Phenotype
Lipids

Keywords

  • Breast cancer
  • Invasive phenotype
  • Phosphorylation
  • PIP5K1C

ASJC Scopus subject areas

  • Oncology

Cite this

Durand, N., Borges, S., Hall, T., Bastea, L., Döppler, H., Edenfield, B. H., ... Storz, P. (2018). The phosphorylation status of PIP5K1C at serine 448 can be predictive for invasive ductal carcinoma of the breast. Oncotarget, 9(91), 36358-36370.

The phosphorylation status of PIP5K1C at serine 448 can be predictive for invasive ductal carcinoma of the breast. / Durand, Nisha; Borges, Sahra; Hall, Tavia; Bastea, Ligia; Döppler, Heike; Edenfield, Brandy H.; Thompson, E Aubrey; Geiger, Xochiquetzal; Storz, Peter.

In: Oncotarget, Vol. 9, No. 91, 01.11.2018, p. 36358-36370.

Research output: Contribution to journalArticle

Durand, N, Borges, S, Hall, T, Bastea, L, Döppler, H, Edenfield, BH, Thompson, EA, Geiger, X & Storz, P 2018, 'The phosphorylation status of PIP5K1C at serine 448 can be predictive for invasive ductal carcinoma of the breast', Oncotarget, vol. 9, no. 91, pp. 36358-36370.
Durand N, Borges S, Hall T, Bastea L, Döppler H, Edenfield BH et al. The phosphorylation status of PIP5K1C at serine 448 can be predictive for invasive ductal carcinoma of the breast. Oncotarget. 2018 Nov 1;9(91):36358-36370.
Durand, Nisha ; Borges, Sahra ; Hall, Tavia ; Bastea, Ligia ; Döppler, Heike ; Edenfield, Brandy H. ; Thompson, E Aubrey ; Geiger, Xochiquetzal ; Storz, Peter. / The phosphorylation status of PIP5K1C at serine 448 can be predictive for invasive ductal carcinoma of the breast. In: Oncotarget. 2018 ; Vol. 9, No. 91. pp. 36358-36370.
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