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One of the most promising strategies to treat cancer is attacking it with viruses designed to exploit specific altered pathways. Here, the effects of oncolytic virotherapy on tumors having compact, papillary and disconnected morphologies…

Biological Physics · Physics 2011-09-19 L R Paiva , M L Martins , S C Ferreira

Oncolytic viral therapy (OVT) is an emerging precision therapy for aggressive and recurrent cancers. However, its clinical efficacy is hindered by the complexity of tumor-virus-immune interactions and the lack of predictive models for…

Quantitative Methods · Quantitative Biology 2026-03-11 Abicumaran Uthamacumaran , Juri Kiyokawa , Hiroaki Wakimoto

We present a mathematical model describing oncolytic virotherapy treatment of a tumour that proliferates according to a Gompertz growth function. We present local stability analysis and bifurcation plots for relevant model parameters to…

Dynamical Systems · Mathematics 2021-09-30 Adrianne L. Jenner , Peter S. Kim , Federico Frascoli

Oncolytic virotherapy (OV) has been emerging as a promising novel cancer treatment that may be further combined with the existing therapeutic modalities to enhance their effects. To investigate how OV could enhance chemotherapy, we propose…

Optimization and Control · Mathematics 2018-09-24 Joseph Malinzi , Rachid Ouifki , Amina Eladdadi , Delfim F. M. Torres , K. A. Jane White

In this paper, we carry out a travelling-wave analysis of a model of tumour invasion with degenerate, cross-dependent diffusion. We consider two types of invasive fronts of tumour tissue into extracellular matrix (ECM), which represents…

Analysis of PDEs · Mathematics 2022-01-19 Chloé Colson , Faustino Sánchez-Garduño , Helen M. Byrne , Philip K. Maini , Tommaso Lorenzi

In this paper we consider continuous mathematical models of tumour growth and invasion based on the model introduced by Chaplain and Lolas \cite{Chaplain&Lolas2006}, for the case of one space dimension. The models consist of a system of…

Tissues and Organs · Quantitative Biology 2023-02-07 Maria Shubina

The use of ad-hoc engineered viruses in the fight against tumours is one of the greatest ideas in cancer therapeutics within the last three decades. Together with other strategies such as immunotherapies, nanoparticles and adjunct…

Populations and Evolution · Quantitative Biology 2026-03-26 David Morselli , Federico Frascoli , Marcello Edoardo Delitala

A model capturing the dynamics between virus and tumour cells in the context of oncolytic virotherapy is presented and analysed. The ability of the virus to be internalised by uninfected cells is described by an infectivity parameter, which…

Dynamical Systems · Mathematics 2021-10-08 Pantea Pooladvand , Chae-Ok Yun , A-Rum Yoon , Peter S. Kim , Federico Frascoli

In this manuscript, we prove the existence of slow and fast traveling wave solutions in the original Gatenby--Gawlinski model. We prove the existence of a slow traveling wave solution with an interstitial gap. This interstitial gap has…

Analysis of PDEs · Mathematics 2021-05-19 P. N. Davis , P. van Heijster , R. Marangell , M. R. Rodrigo

A well-known optimal velocity (OV) model describes vehicle motion along a single lane road, which reduces to a perturbed modified Korteweg-de Vries (mKdV) equation within the unstable regime. Steady travelling wave solutions to this…

Dynamical Systems · Mathematics 2016-08-12 Laura Hattam

Oncolytic virotherapy is an experimental cancer treatment that uses genetically engineered viruses to target and kill cancer cells. One major limitation of this treatment is that virus particles are rapidly cleared by the immune system,…

Cell Behavior · Quantitative Biology 2019-12-02 Adrianne L. Jenner , Chae-Ok Yun , Peter S. Kim , Adelle C. F. Coster

We consider an epidemic model with direct transmission given by a system of nonlinear partial differential equations and study the existence of traveling wave solutions. When the basic reproductive number of the considered model is less…

Analysis of PDEs · Mathematics 2019-10-08 Dawit Denu , Sedar Ngoma , Rachidi B. Salako

We study travelling-wave solutions for a reaction-diffusion system arising as a model for host-tissue degradation by bacteria. This system consists of a parabolic equation coupled with an ordinary differential equation. For large values of…

Analysis of PDEs · Mathematics 2007-05-23 Danielle Hilhorst , John R. King , Matthias Röger

In this paper, a ratio-dependent Holling-Tanner system with nonlocal diffusion is taken into account, where the prey is subject to a strong Allee effect. To be special, by applying Schauder's fixed point theorem and iterative technique, we…

Analysis of PDEs · Mathematics 2023-06-02 Hongliang Li , Min Zhao , Rong Yuan

This paper is concerned with the traveling waves of delayed reaction-diffusion systems where the reaction function possesses the mixed quasimonotonicity property. By the so-called monotone iteration scheme and Schauder's fixed point…

Analysis of PDEs · Mathematics 2010-07-21 Canrong Tian , Zhigui Lin

Oncolytic viruses, which may be naturally occurring or genetically engineered, are a type of virus that infects and destroy cancer cells preferentially. Owing to their selectivity, they outperform conventional chemotherapy and radiotherapy,…

Cell Behavior · Quantitative Biology 2022-04-26 Chottiwatt Jittprasong

We develop and analyze a mathematical model of oncolytic virotherapy in the treatment of melanoma. We begin with a special, local case of the model, in which we consider the dynamics of the tumour cells in the presence of an oncolytic virus…

Dynamical Systems · Mathematics 2023-09-07 Tedi Ramaj , Xingfu Zou

Oncolytic virotherapy - the use of viruses that specifically kill tumor cells - is an innovative and highly promising route for treating cancer. However, its therapeutic outcomes are mainly impaired by the host immune response to the viral…

Tissues and Organs · Quantitative Biology 2015-06-15 Leticia R Paiva , Hallan S Silva , Silvio C Ferreira , Marcelo L Martins

Existence of non-negative weak solutions is shown for a full curvature thin-film model of a liquid thin film flowing down a vertical fibre. The proof is based on the application of a priori estimates derived for energy-entropy functionals.…

Analysis of PDEs · Mathematics 2021-07-02 Hangjie Ji , Roman Taranets , Marina Chugunova

We consider a nonlocal reaction-diffusion equation as a model for a population structured by a space variable and a phenotypical trait. To sustain the possibility of invasion in the case where an underlying principal eigenvalue is negative,…

Analysis of PDEs · Mathematics 2012-12-03 Matthieu Alfaro , Jérôme Coville , Gaël Raoul
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