PI3K inhibition results in enhanced estrogen receptor function and dependence in hormone receptor–positive breast cancer

…, A Prat, JJ Tao, DE Spratt, NT Viola-Villegas… - Science translational …, 2015 - science.org
Activating mutations of PIK3CA are the most frequent genomic alterations in estrogen
receptor (ER)–positive breast tumors, and selective phosphatidylinositol 3-kinase α (PI3Kα) …

Antagonism of EGFR and HER3 enhances the response to inhibitors of the PI3K-Akt pathway in triple-negative breast cancer

…, B Vojnovic, H Ellis, N Morse, NT Viola-Villegas… - Science …, 2014 - science.org
Both abundant epidermal growth factor receptor (EGFR or ErbB1) and high activity of the
phosphatidylinositol 3-kinase (PI3K)–Akt pathway are common and therapeutically targeted in …

The coordination chemistry of 1, 4, 7, 10-tetraazacyclododecane-N, N′, N ″, N′″-tetraacetic acid (H4DOTA): Structural overview and analyses on structure …

N Viola-Villegas, RP Doyle - Coordination Chemistry Reviews, 2009 - Elsevier
1,4,7,10-Tetraazacyclododecane-N,N′,N″,N′″-tetraacetic acid (DOTA) is one of the
preeminent carriers of metal-based radiopharmaceutics and imaging contrast agents. This …

Underscoring the influence of inorganic chemistry on nuclear imaging with radiometals

…, JL Houghton, MJ Evans, N Viola-Villegas… - Inorganic …, 2014 - ACS Publications
Over the past several decades, radionuclides have matured from largely esoteric and
experimental technologies to indispensible components of medical diagnostics. Driving this …

Targeting the Folate Receptor (FR): Imaging and Cytotoxicity of ReI Conjugates in FR‐Overexpressing Cancer Cells

N ViolaVillegas, AE Rabideau… - ChemMedChem …, 2008 - Wiley Online Library
The synthesis, characterization, in vitro imaging, and cytotoxic properties of a new folate
conjugate of rhenium(I) are reported. The conjugate [FA‐PEG‐BQAV‐Re(CO) 3 ] + (γ‐4) was …

Monitoring afatinib treatment in HER2-positive gastric cancer with 18F-FDG and 89Zr-trastuzumab PET

YY Janjigian, N Viola-Villegas, JP Holland… - Journal of Nuclear …, 2013 - Soc Nuclear Med
We evaluated the ability of the PET imaging agent 89 Zr-trastuzumab to delineate HER2-positive
gastric cancer and to monitor the pharmacodynamic effects of the epidermal growth …

IFNγ PET imaging as a predictive tool for monitoring response to tumor immunotherapy

…, CE McCarthy, J Reyes, WZ Wei, NT Viola-Villegas - Cancer research, 2018 - AACR
IFNγ is an attractive target for imaging active antitumor immunity due to its function in the T-cell
signaling axis. Here, we test an IFNγ immuno-PET (immunoPET) probe for its capacity to …

Noninvasive Imaging of PSMA in Prostate Tumors with 89Zr-Labeled huJ591 Engineered Antibody Fragments: The Faster Alternatives

NT Viola-Villegas, KK Sevak, SD Carlin… - Molecular …, 2014 - ACS Publications
Engineered antibody fragments offer faster delivery with retained tumor specificity and rapid
clearance from nontumor tissues. Here, we demonstrate that positron emission tomography (…

18F-Labeled-Bioorthogonal Liposomes for In Vivo Targeting

F Emmetiere, C Irwin, NT Viola-Villegas… - Bioconjugate …, 2013 - ACS Publications
Liposomes are attractive vehicles for the controlled release of drugs and cytotoxins and have
a long-standing history in medical research and clinical practice. In addition to established …

Applying PET to broaden the diagnostic utility of the clinically validated CA19. 9 serum biomarker for oncology

NT Viola-Villegas, SL Rice, S Carlin, X Wu… - Journal of Nuclear …, 2013 - Soc Nuclear Med
Despite their considerable advantages, many circulating biomarkers have well-documented
limitations. One prominent shortcoming in oncology is a high frequency of false-positive …