ArticleEuropean journal of nuclear medicine and molecular imaging2022
Targeting visualization of malignant tumor based on the alteration of DWI signal generated by hTERT promoter-driven AQP1 overexpression.
Article in European journal of nuclear medicine and molecular imaging, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.
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17 citing papers in PubMed, 20 citations in OpenAlex.
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- Aloe-emodin inhibits nasopharyngeal carcinoma by modulating telomerase activity involving the c-Myc/E2F1 axis.Frontiers in pharmacology · 2026Article
- A programmable genetic platform for engineering noninvasive biosensors.bioRxiv : the preprint server for biology · 2025Article
- Investigating the relationships of structural and functional neural networks of primary visual cortex with engineered AAVs and chemogenetic-fMRI techniques.Theranostics · 2025Article
- Noninvasive DWI tracking of hiPSCs differentiation into RTECs in AKI recovery via the KSP promoter-mediated AQP1 strategy.Theranostics · 2025Article
- Exploring the potential of water channels for developing genetically encoded reporters and biosensors for diffusion-weighted MRI.Journal of magnetic resonance (San Diego, Calif. : 1997) · 2024Article
- Destabilized reporters for background-subtracted, chemically-gated, and multiplexed deep-tissue imaging.Chemical science · 2024Article
- A Dual-Gene Reporter-Amplifier Architecture for Enhancing the Sensitivity of Molecular MRI by Water Exchange.Chembiochem : a European journal of chemical biology · 2024Article
- Engineering water exchange is a safe and effective method for magnetic resonance imaging in diverse cell types.Journal of biological engineering · 2024Article
- A dual-gene reporter-amplifier architecture for enhancing the sensitivity of molecular MRI by water exchange.bioRxiv : the preprint server for biology · 2024Article
- Exploring the potential of water channels for developing MRI reporters and sensors without the need for exogenous contrast agents.bioRxiv : the preprint server for biology · 2024Article
- Engineering water exchange is a safe and effective method for magnetic resonance imaging in diverse cell types.bioRxiv : the preprint server for biology · 2023Article
- Molecular Imaging with Aquaporin-Based Reporter Genes: Quantitative Considerations from Monte Carlo Diffusion Simulations.ACS synthetic biology · 2023Article
- Molecular imaging with aquaporin-based reporter genes: quantitative considerations from Monte Carlo diffusion simulations.bioRxiv : the preprint server for biology · 2023Article
- Cancer Detection Using an Artificial Secretable MicroRNA Found in Blood and Urine.Biomedicines · 2022Article
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Authors and funding
12 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
purposeTo specifically diagnose malignant tumors in DWI using the human telomerase reverse transcriptase (hTERT) promoter-driven AQP1 expression.
methodsThe human telomerase reverse transcriptase (hTERT) promoter-driven AQP1 gene overexpression lentivirus system (hTERT-AQP1) and cytomegalovirus (CMV) promoter-driven AQP1 gene overexpression lentivirus system (CMV-AQP1) were prepared, and transduced into telomerase-positive and -negative cells. The AQP1 expression and DWI signal intensity (SI) change in transduced cells were analyzed. Balb/C nude mice subcutaneous xenograft models derived from lentivirus-transduced telomerase-positive and -negative cells were used to evaluate AQP1 expression and DWI SI change in vivo. We further established another group of subcutaneous xenograft model using pristine telomerase-positive and -negative cells, followed by injecting the lentiviral vectors intratumorally or intravenously, to determine the malignant tumor-targeted imaging of hTERT-AQP1.
resultsThe hTERT-AQP1 and CMV-AQP1 were successfully prepared. After transduction, hTERT-AQP1 could induce the specific overexpression of AQP1 in telomerase-positive cells. Compared with untransduced cells, all CMV-AQP1-pretransduced cells and hTERT-AQP1-pretransduced telomerase-positive cells showed decreased SI and increased apparent diffusion coefficient (ADC) in DWI, while hTERT-AQP1-pretransduced telomerase-negative cells showed no obvious SI and ADC change. Correspondingly, hTERT-AQP1-transduced telomerase-positive tumors and CMV-AQP1-transduced telomerase-positive and -negative tumors showed decreased DWI SI and increased ADC, while hTERT-AQP1-transduced telomerase-negative tumor had no SI and ADC changes. After intratumoral or intravenous injection, CMV-AQP1 could upregulate AQP1 expression and induce DWI SI and ADC alteration in both telomerase-positive and -negative tumors, while hTERT-AQP1 worked in telomerase-positive tumors specifically.
conclusionCancers can be specifically visualized based on the DWI signal alteration which triggered by hTERT-AQP1 lentivirus system that combined AQP1 gene and hTERT promoter.
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