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PET Reporter Probes for Brain Imaging of Transduced Gene and Cell Expression: Status and Challenges.
J Med Chem
January 2025
Molecular Imaging Branch, National Institute of Mental Health, National Institutes of Health, Bethesda, Maryland, 20892 United States.
Article Synopsis
- Gene therapy and cell transduction are emerging as promising treatments for neurological and psychiatric disorders, with PET imaging playing a key role in assessing treatment effectiveness.
- The success of PET imaging relies on the creation of specific radiotracers that can identify exogenous transgenes or modified cells in the brain, potentially eliminating the need for invasive procedures.
- This article discusses the current state and challenges in developing PET probes for monitoring gene therapy and cellular interventions, highlighting the importance of radiochemical development and practical applications in a clinical setting.
Impact of tissue-independent positron range correction on [Ga]Ga-DOTATOC and [Ga]Ga-PSMA PET image reconstructions: a patient data study.
Eur J Nucl Med Mol Imaging
January 2025
Department of Radiology and Nuclear Medicine, Maastricht University Medical Center, Maastricht, The Netherlands.
Purpose: The positron range effect can impair PET image quality of Gallium-68 (Ga). A positron range correction (PRC) can be applied to reduce this effect. In this study, the effect of a tissue-independent PRC for Ga was investigated on patient data.
View Article and Find Full Text PDFDevelopment of a novel molecular probe for visualizing mesothelin on the tumor via positron emission tomography.
Eur J Nucl Med Mol Imaging
January 2025
Institute of Radiation Medicine, Fudan University, Xietu Road 2094, Shanghai, 200032, China.
Objectives: Mesothelin (MSLN) is an antigen that is overexpressed in various cancers, and its interaction with tumor-associated cancer antigen 125 plays a multifaceted role in tumor metastasis. The serum MSLN expression level can be detected using enzyme-linked immunosorbent assay; however, non-invasive visualization of its expression at the tumor site is currently lacking. Therefore, the aim of this study was to develop a molecular probe for imaging MSLN expression through positron emission tomography (PET).
View Article and Find Full Text PDFDiagnostic Feasibility of Cardiac PET CT in the Evaluation of Inflammatory, Infectious, and Malignant Heart Disease.
R I Med J (2013)
February 2025
Alpert Medical School of Brown University, Department of Medicine, Division of Cardiology, Rhode Island Hospital.
Cardiac Positron Emission Tomography (PET) is a power- ful imaging tool with diverse applications in the detection and diagnosis of various cardiac conditions, including inflammatory, infectious, and neoplastic processes. Using the radiotracer 18F-fluorodeoxyglucose (18F-FDG), cardiac PET enables the identification of cardiac involvement in diseases such as sarcoidosis and severe infections affecting the heart tissue. Additionally, 18F-FDG PET is valuable in the evaluation of cardiac masses, helping to assess their metabolic activity and potential malignancy.
View Article and Find Full Text PDFDiagnostic Feasibility and Accuracy of Cardiac Positron Emission Tomography (PET) in the Evaluation of Ischemic Heart Disease.
R I Med J (2013)
February 2025
Alpert Medical School of Brown University, Department of Medicine, Division of Cardiology, Rhode Island Hospital.
Cardiac Positron Emission Tomography (PET) can be used for the assessment of myocardial perfusion. Compared to other cardiac imaging techniques, notably Single Photon Emission Computer Tomography (SPECT), cardiac PET offers superior image resolution, higher accuracy, quantitative measures of myocardial perfusion, lower radiation exposure, and shorter image acquisition time. However, PET tends to be costlier and less widely available than SPECT due to the specialized equipment needed for generating the necessary radiotracers.
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