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Showing 1 to 12 of 13 entries
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Assessing the accuracy and reproducibility of modality independent elastography in a murine model of breast cancer.

Journal of medical imaging (Bellingham, Wash.)

Weis JA, Flint KM, Sanchez V, Yankeelov TE, Miga MI.
PMID: 26158120
J Med Imaging (Bellingham). 2015 Jul;2(3):036001. doi: 10.1117/1.JMI.2.3.036001. Epub 2015 Jul 02.

Cancer progression has been linked to mechanics. Therefore, there has been recent interest in developing noninvasive imaging tools for cancer assessment that are sensitive to changes in tissue mechanical properties. We have developed one such method, modality independent elastography...

Real-Time Compressive Sensing MRI Reconstruction Using GPU Computing and Split Bregman Methods.

International journal of biomedical imaging

Smith DS, Gore JC, Yankeelov TE, Welch EB.
PMID: 22481908
Int J Biomed Imaging. 2012;2012:864827. doi: 10.1155/2012/864827. Epub 2012 Feb 01.

Compressive sensing (CS) has been shown to enable dramatic acceleration of MRI acquisition in some applications. Being an iterative reconstruction technique, CS MRI reconstructions can be more time-consuming than traditional inverse Fourier reconstruction. We have accelerated our CS MRI...

Leveraging Mathematical Modeling to Quantify Pharmacokinetic and Pharmacodynamic Pathways: Equivalent Dose Metric.

Frontiers in physiology

McKenna MT, Weis JA, Quaranta V, Yankeelov TE.
PMID: 31178753
Front Physiol. 2019 May 22;10:616. doi: 10.3389/fphys.2019.00616. eCollection 2019.

Treatment response assays are often summarized by sigmoidal functions comparing cell survival at a single timepoint to applied drug concentration. This approach has a limited biophysical basis, thereby reducing the biological insight gained from such analysis. In particular, drug...

Selection and Validation of Predictive Models of Radiation Effects on Tumor Growth Based on Noninvasive Imaging Data.

Computer methods in applied mechanics and engineering

Lima EABF, Oden JT, Wohlmuth B, Shahmoradi A, Hormuth DA, Yankeelov TE, Scarabosio L, Horger T.
PMID: 29269963
Comput Methods Appl Mech Eng. 2017 Dec 01;327:277-305. doi: 10.1016/j.cma.2017.08.009. Epub 2017 Aug 18.

The use of mathematical and computational models for reliable predictions of tumor growth and decline in living organisms is one of the foremost challenges in modern predictive science, as it must cope with uncertainties in observational data, model selection,...

Integrating Imaging Data into Predictive Biomathematical and Biophysical Models of Cancer.

ISRN biomathematics

Yankeelov TE.
PMID: 23914302
ISRN Biomath. 2012;2012. doi: 10.5402/2012/287394.

While there is a mature literature on biomathematical and biophysical modeling in cancer, many of the existing approaches are not of clinical utility, as they require input data that are extremely difficult to obtain in an intact organism, and/or...

Toward a science of tumor forecasting for clinical oncology.

Cancer research

Yankeelov TE, Quaranta V, Evans KJ, Rericha EC.
PMID: 25592148
Cancer Res. 2015 Mar 15;75(6):918-23. doi: 10.1158/0008-5472.CAN-14-2233. Epub 2015 Jan 15.

We propose that the quantitative cancer biology community makes a concerted effort to apply lessons from weather forecasting to develop an analogous methodology for predicting and evaluating tumor growth and treatment response. Currently, the time course of tumor response...

Selection, calibration, and validation of models of tumor growth.

Mathematical models & methods in applied sciences : M3AS

Lima EABF, Oden JT, Hormuth DA, Yankeelov TE, Almeida RC.
PMID: 28827890
Math Models Methods Appl Sci. 2016 Nov;26(12):2341-2368. doi: 10.1142/S021820251650055X. Epub 2016 Oct 03.

This paper presents general approaches for addressing some of the most important issues in predictive computational oncology concerned with developing classes of predictive models of tumor growth. First, the process of developing mathematical models of vascular tumors evolving in...

Using dynamic contrast-enhanced magnetic resonance imaging data to constrain a positron emission tomography kinetic model: theory and simulations.

International journal of biomedical imaging

Fluckiger JU, Li X, Whisenant JG, Peterson TE, Gore JC, Yankeelov TE.
PMID: 24222761
Int J Biomed Imaging. 2013;2013:576470. doi: 10.1155/2013/576470. Epub 2013 Oct 03.

We show how dynamic contrast-enhanced magnetic resonance imaging (DCE-MRI) data can constrain a compartmental model for analyzing dynamic positron emission tomography (PET) data. We first develop the theory that enables the use of DCE-MRI data to separate whole tissue...

Modeling of Glioma Growth With Mass Effect by Longitudinal Magnetic Resonance Imaging.

IEEE transactions on bio-medical engineering

Tunc B, Hormuth D, Biros G, Yankeelov TE.
PMID: 34061731
IEEE Trans Biomed Eng. 2021 Dec;68(12):3713-3724. doi: 10.1109/TBME.2021.3085523. Epub 2021 Nov 19.

It is well-known that expanding glioblastomas typically induce significant deformations of the surrounding parenchyma (i.e., the so-called "mass effect"). In this study, we evaluate the performance of three mathematical models of tumor growth: 1) a reaction-diffusion-advection model which accounts...

Evaluating treatment response using DW-MRI and DCE-MRI in trastuzumab responsive and resistant HER2-overexpressing human breast cancer xenografts.

Translational oncology

Whisenant JG, Sorace AG, McIntyre JO, Kang H, Sánchez V, Loveless ME, Yankeelov TE.
PMID: 25500087
Transl Oncol. 2014 Dec;7(6):768-79. doi: 10.1016/j.tranon.2014.09.011.

We report longitudinal diffusion-weighted magnetic resonance imaging (DW-MRI) and dynamic contrast enhanced (DCE)-MRI (7 T) studies designed to identify functional changes, prior to volume changes, in trastuzumab-sensitive and resistant HER2+ breast cancer xenografts. Athymic mice (N = 33) were...

Real-Time Compressive Sensing MRI Reconstruction Using GPU Computing and Split Bregman Methods.

International journal of biomedical imaging

Smith DS, Gore JC, Yankeelov TE, Welch EB.
PMID: 22481908
Int J Biomed Imaging. 2012;2012:864827. doi: 10.1155/2012/864827. Epub 2012 Feb 01.

Compressive sensing (CS) has been shown to enable dramatic acceleration of MRI acquisition in some applications. Being an iterative reconstruction technique, CS MRI reconstructions can be more time-consuming than traditional inverse Fourier reconstruction. We have accelerated our CS MRI...

Practical dynamic contrast enhanced MRI in small animal models of cancer: data acquisition, data analysis, and interpretation.

Pharmaceutics

Barnes SL, Whisenant JG, Loveless ME, Yankeelov TE.
PMID: 23105959
Pharmaceutics. 2012;4(3):442-78. doi: 10.3390/pharmaceutics4030442.

Dynamic contrast enhanced magnetic resonance imaging (DCE-MRI) consists of the continuous acquisition of images before, during, and after the injection of a contrast agent. DCE-MRI allows for noninvasive evaluation of tumor parameters related to vascular perfusion and permeability and...

Showing 1 to 12 of 13 entries