Browsing Radiotherapy and Imaging by author "Jamin, Yann"
Now showing items 1-20 of 29
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Accelerating Whole-Body Diffusion-weighted MRI with Deep Learning-based Denoising Image Filters.
Zormpas-Petridis, K; Tunariu, N; Curcean, A; Messiou, C; Curcean, S; et al. (RADIOLOGICAL SOC NORTH AMERICA (RSNA), 2021-09-01)PURPOSE: To use deep learning to improve the image quality of subsampled images (number of acquisitions = 1 [NOA1]) to reduce whole-body diffusion-weighted MRI (WBDWI) acquisition times. MATERIALS AND METHODS: Both ... -
Capturing Global Spatial Context for Accurate Cell Classification in Skin Cancer Histology
Zormpas-Petridis, K; Failmezger, H; Roxanis, I; Blackledge, M; Jamin, Y; et al. (SPRINGER INTERNATIONAL PUBLISHING AG, 2018-01-01) -
Capturing Global Spatial Context for Accurate Cell Classification in Skin Cancer Histology
Zormpas-Petridis, K; Failmezger, H; Roxanis, I; Blackledge, M; Jamin, Y; et al. (SPRINGER INTERNATIONAL PUBLISHING AG, 2018-01-01) -
Cyclin-Dependent Kinase Inhibitor AT7519 as a Potential Drug for MYCN-Dependent Neuroblastoma.
Dolman, MEM; Poon, E; Ebus, ME; den Hartog, IJM; van Noesel, CJM; et al. (AMER ASSOC CANCER RESEARCH, 2015-11-15)PURPOSE: MYCN-dependent neuroblastomas have low cure rates with current multimodal treatment regimens and novel therapeutic drugs are therefore urgently needed. In previous preclinical studies, we have shown that targeted ... -
Detecting human melanoma cell re-differentiation following BRAF or heat shock protein 90 inhibition using photoacoustic and magnetic resonance imaging.
Shah, A; Delgado-Goni, T; Casals Galobart, T; Wantuch, S; Jamin, Y; et al. (NATURE PUBLISHING GROUP, 2017-08-15)Targeted therapies specific to the BRAF-MEK-ERK signaling pathway have shown great promise in the treatment of malignant melanoma in the last few years, with these drugs now commonly used in clinic. Melanoma cells treated ... -
Detection of the prodrug-activating enzyme carboxypeptidase G2 activity with chemical exchange saturation transfer magnetic resonance.
Jamin, Y; Eykyn, TR; Poon, E; Springer, CJ; Robinson, SP (SPRINGER, 2014-04-01)PURPOSE: The purpose of this study is to evaluate if the differential exchange rates with bulk water between amine and amide protons can be exploited using chemical exchange saturation transfer magnetic resonance (CEST-MR) ... -
Diffusion-weighted MRI for imaging cell death after cytotoxic or apoptosis-inducing therapy.
Papaevangelou, E; Almeida, GS; Jamin, Y; Robinson, SP; deSouza, NM (NATURE PUBLISHING GROUP, 2015-04-28)BACKGROUND: Non-invasive serial imaging is desirable to detect processes such as necrotic and apoptotic cell death in cancer patients undergoing treatment. This study investigated the use of diffusion-weighted (DW-) magnetic ... -
Evaluating Imaging Biomarkers of Acquired Resistance to Targeted EGFR Therapy in Xenograft Models of Human Head and Neck Squamous Cell Carcinoma.
Baker, LCJ; Sikka, A; Price, JM; Boult, JKR; Lepicard, EY; et al. (FRONTIERS MEDIA SA, 2018-07-23)Background: Overexpression of EGFR is a negative prognostic factor in head and neck squamous cell carcinoma (HNSCC). Patients with HNSCC who respond to EGFR-targeted tyrosine kinase inhibitors (TKIs) eventually develop ... -
Immunoassays for the quantification of ALK and phosphorylated ALK support the evaluation of on-target ALK inhibitors in neuroblastoma.
Tucker, ER; Tall, JR; Danielson, LS; Gowan, S; Jamin, Y; et al. (WILEY, 2017-08-01)Targeted inhibition of anaplastic lymphoma kinase (ALK) is a successful approach for the treatment of many ALK-aberrant malignancies; however, the presence of resistant mutations necessitates both the development of more ... -
In Vivo Modeling of Chemoresistant Neuroblastoma Provides New Insights into Chemorefractory Disease and Metastasis.
Yogev, O; Almeida, GS; Barker, KT; George, SL; Kwok, C; et al. (AMER ASSOC CANCER RESEARCH, 2019-10-15)Neuroblastoma is a pediatric cancer that is frequently metastatic and resistant to conventional treatment. In part, a lack of natively metastatic, chemoresistant in vivo models has limited our insight into the development ... -
Indisulam targets RNA splicing and metabolism to serve as a therapeutic strategy for high-risk neuroblastoma.
Nijhuis, A; Sikka, A; Yogev, O; Herendi, L; Balcells, C; et al. (NATURE PORTFOLIO, 2022-03-16)Neuroblastoma is the most common paediatric solid tumour and prognosis remains poor for high-risk cases despite the use of multimodal treatment. Analysis of public drug sensitivity data showed neuroblastoma lines to be ... -
Inhibition of mTOR-kinase destabilizes MYCN and is a potential therapy for MYCN-dependent tumors.
Vaughan, L; Clarke, PA; Barker, K; Chanthery, Y; Gustafson, CW; et al. (IMPACT JOURNALS LLC, 2016-09-06)MYC oncoproteins deliver a potent oncogenic stimulus in several human cancers, making them major targets for drug development, but efforts to deliver clinically practical therapeutics have not yet been realized. In childhood ... -
Intrinsic susceptibility MRI identifies tumors with ALKF1174L mutation in genetically-engineered murine models of high-risk neuroblastoma.
Jamin, Y; Glass, L; Hallsworth, A; George, R; Koh, D-M; et al. (PUBLIC LIBRARY SCIENCE, 2014-03-25)The early identification of children presenting ALK(F1174L)-mutated neuroblastoma, which are associated with resistance to the promising ALK inhibitor crizotinib and a marked poorer prognosis, has become a clinical priority. ... -
Investigating the Contribution of Collagen to the Tumor Biomechanical Phenotype with Noninvasive Magnetic Resonance Elastography.
Li, J; Zormpas-Petridis, K; Boult, JKR; Reeves, EL; Heindl, A; et al. (AMER ASSOC CANCER RESEARCH, 2019-11-15)Increased stiffness in the extracellular matrix (ECM) contributes to tumor progression and metastasis. Therefore, stromal modulating therapies and accompanying biomarkers are being developed to target ECM stiffness. Magnetic ... -
Investigating the Vascular Phenotype of Subcutaneously and Orthotopically Propagated PC3 Prostate Cancer Xenografts Using Combined Carbogen Ultrasmall Superparamagnetic Iron Oxide MRI.
Burrell, JS; Walker-Samuel, S; Boult, JKR; Baker, LCJ; Jamin, Y; et al. (Ovid Technologies (Wolters Kluwer Health), 2016-10-01)The aim of this study was to use the combined carbogen-ultrasmall superparamagnetic iron oxide (CUSPIO) magnetic resonance imaging (MRI) method, which uses spatial correlations in independent susceptibility imaging biomarkers, ... -
Mapping Hypoxia in Renal Carcinoma with Oxygen-enhanced MRI: Comparison with Intrinsic Susceptibility MRI and Pathology.
Little, RA; Jamin, Y; Boult, JKR; Naish, JH; Watson, Y; et al. (RADIOLOGICAL SOC NORTH AMERICA, 2018-09-01)Purpose To cross-validate T1-weighted oxygen-enhanced (OE) MRI measurements of tumor hypoxia with intrinsic susceptibility MRI measurements and to demonstrate the feasibility of translation of the technique for patients. ... -
MRI Imaging of the Hemodynamic Vasculature of Neuroblastoma Predicts Response to Antiangiogenic Treatment.
Zormpas-Petridis, K; Jerome, NP; Blackledge, MD; Carceller, F; Poon, E; et al. (AMER ASSOC CANCER RESEARCH, 2019-06)Childhood neuroblastoma is a hypervascular tumor of neural origin, for which antiangiogenic drugs are currently being evaluated; however, predictive biomarkers of treatment response, crucial for successful delivery of ... -
Multiparameter Lead Optimization to Give an Oral Checkpoint Kinase 1 (CHK1) Inhibitor Clinical Candidate: (R)-5-((4-((Morpholin-2-ylmethyl)amino)-5-(trifluoromethyl)pyridin-2-yl)amino)pyrazine-2-carbonitrile (CCT245737).
Osborne, JD; Matthews, TP; McHardy, T; Proisy, N; Cheung, K-MJ; et al. (AMER CHEMICAL SOC, 2016-06-09)Multiparameter optimization of a series of 5-((4-aminopyridin-2-yl)amino)pyrazine-2-carbonitriles resulted in the identification of a potent and selective oral CHK1 preclinical development candidate with in vivo efficacy ... -
MYCN expression induces replication stress and sensitivity to PARP inhibition in neuroblastoma.
King, D; Li, XD; Almeida, GS; Kwok, C; Gravells, P; et al. (Impact Journals, LLC, 2020-06-09)This study investigates the influence expression of the MYCN oncogene has on the DNA damage response, replication fork progression and sensitivity to PARP inhibition in neuroblastoma. In a panel of neuroblastoma cell lines, ... -
Noninvasive MRI Native T1 Mapping Detects Response to MYCN-targeted Therapies in the Th-MYCN Model of Neuroblastoma.
Zormpas-Petridis, K; Poon, E; Clarke, M; Jerome, NP; Boult, JKR; et al. (AMER ASSOC CANCER RESEARCH, 2020-08-15)Noninvasive early indicators of treatment response are crucial to the successful delivery of precision medicine in children with cancer. Neuroblastoma is a common solid tumor of young children that arises from anomalies ...