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Birt–Hogg–Dubé: tumour suppressor function and signalling dynamics central to folliculin

Birt–Hogg–Dubé: tumour suppressor function and signalling dynamics central to folliculin The cellular function of folliculin (FLCN) is a mystery that still needs to be solved. It is known that mutation of FLCN can predispose Birt–Hogg–Dubé (BHD) patient’s to renal cell carcinoma , renal and lung cysts, as well as skin fibrofolliculomas. FLCN has been classed as a tumour suppressor, but it is probable that cystic and the skin manifestations do not occur as a consequence of FLCN loss of heterozygosity. Discovery that FLCN is a direct substrate of AMP dependent protein kinase (AMPK) placed FLCN on the cell signalling map, downstream of AMPK. This breakthrough suggested that FLCN might be involved in cell energy homeostasis. Over these more recent years, BHD research has become much more complicated and interesting from a cell signalling perspective. Folliculin has been linked to numerous cell pathways that are known to cause cancer, involving cell growth, metabolism, cell adhesion, cell motility, cytokinesis, and cell survival. The collective evidence implies that FLCN may have a broader housekeeping role in the cell. Of particular importance, FLCN was recently been reported to have guanine exchange factor activity towards the small G protein Rab35 and implicates FLCN in vesicular trafficking and/or membrane sorting. This newer discovery will undoubtedly help in the continued challenge of solving the signalling puzzle that shrouds FLCN function. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Familial Cancer Springer Journals

Birt–Hogg–Dubé: tumour suppressor function and signalling dynamics central to folliculin

Tee, Andrew; Pause, Arnim
Familial Cancer , Volume 12 (3) – Oct 25, 2012
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References (35)

Publisher
Springer Journals
Copyright
Copyright © 2012 by Springer Science+Business Media Dordrecht
Subject
Biomedicine; Cancer Research; Human Genetics; Epidemiology; Biomedicine general
ISSN
1389-9600
eISSN
1573-7292
DOI
10.1007/s10689-012-9576-9
pmid
23096221
Publisher site
See Article on Publisher Site

Abstract

The cellular function of folliculin (FLCN) is a mystery that still needs to be solved. It is known that mutation of FLCN can predispose Birt–Hogg–Dubé (BHD) patient’s to renal cell carcinoma , renal and lung cysts, as well as skin fibrofolliculomas. FLCN has been classed as a tumour suppressor, but it is probable that cystic and the skin manifestations do not occur as a consequence of FLCN loss of heterozygosity. Discovery that FLCN is a direct substrate of AMP dependent protein kinase (AMPK) placed FLCN on the cell signalling map, downstream of AMPK. This breakthrough suggested that FLCN might be involved in cell energy homeostasis. Over these more recent years, BHD research has become much more complicated and interesting from a cell signalling perspective. Folliculin has been linked to numerous cell pathways that are known to cause cancer, involving cell growth, metabolism, cell adhesion, cell motility, cytokinesis, and cell survival. The collective evidence implies that FLCN may have a broader housekeeping role in the cell. Of particular importance, FLCN was recently been reported to have guanine exchange factor activity towards the small G protein Rab35 and implicates FLCN in vesicular trafficking and/or membrane sorting. This newer discovery will undoubtedly help in the continued challenge of solving the signalling puzzle that shrouds FLCN function.

Journal

Familial Cancer – Springer Journals

Published: Oct 25, 2012

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