title: Mathematical modelling of cancer invasion: implications of cell adhesion variability for tumour infiltrative growth patterns.
abstract: Cancer invasion, recognised as one of the hallmarks of cancer, is a complex, multiscale phenomenon involving many inter-related genetic, biochemical, cellular and tissue processes at different spatial and temporal scales. Central to invasion is the ability of cancer cells to alter and degrade an extracellular matrix. Combined with abnormal excessive proliferation and migration which is enabled and enhanced by altered cell-cell and cell-matrix adhesion, the cancerous mass can invade the neighbouring tissue. Along with tumour-induced angiogenesis, invasion is a key component of metastatic spread, ultimately leading to the formation of secondary tumours in other parts of the host body. In this paper we explore the spatio-temporal dynamics of a model of cancer invasion, where cell-cell and cell-matrix adhesion is accounted for through non-local interaction terms in a system of partial integro-differential equations. The change of adhesion properties during cancer growth and development is investigated here through time-dependent adhesion characteristics within the cell population as well as those between the cells and the components of the extracellular matrix. Our computational simulation results demonstrate a range of heterogeneous dynamics which are qualitatively similar to the invasive growth patterns observed in a number of different types of cancer, such as tumour infiltrative growth patterns (INF).
authors: Technische Universität Darmstadt, Fachbereich Mathematik, Dolivostr. 15, 64293 Darmstadt, Germany; University of Dundee, Division of Mathematics, Dundee DD1 4HN, Scotland, UK. Electronic address: domschke@mathematik.tu-darmstadt.de.
authors: Pia
authors: P
authors: Domschke
authors: University of Dundee, Division of Mathematics, Dundee DD1 4HN, Scotland, UK. Electronic address: trucu@maths.dundee.ac.uk.
authors: Dumitru
authors: D
authors: Trucu
authors: Technische Universität Darmstadt, Fachbereich Mathematik, Dolivostr. 15, 64293 Darmstadt, Germany. Electronic address: gerisch@mathematik.tu-darmstadt.de.
authors: Alf
authors: A
authors: Gerisch
authors: University of Dundee, Division of Mathematics, Dundee DD1 4HN, Scotland, UK. Electronic address: chaplain@maths.dundee.ac.uk.
authors: Mark
authors: M
authors: A J Chaplain
mesh_terms: D002448:Cell Adhesion; D002450:Cell Communication; D049109:Cell Proliferation; D005109:Extracellular Matrix / Q000378:metabolism* / Q000473:pathology; D006801:Humans; D008954:Models, Biological; D009361:Neoplasm Invasiveness; D009369:Neoplasms / Q000378:metabolism* / Q000473:pathology
keywords: Heterogeneity; Non-local model; Solid tumour spread