ArticleMolecular biotechnology2013
Long-term engraftment and angiogenic properties of lentivirally transduced adipose tissue-derived stromal cells.
Article in Molecular biotechnology, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
2 citing papers in PubMed, 7 citations in OpenAlex.
- Article
- Comparison of Lentiviral Packaging Mixes and Producer Cell Lines for RNAi Applications.Molecular biotechnology · 2015Article
Corrections and comments
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Authors and funding
4 authors at 2 institutions in 2 countries.
Funding
Abstract
Human adipose tissue-derived stromal cells (ADSCs) are being evaluated for cardiovascular repair. We developed an ex vivo method for producing angiogenic ADSCs transduced with a self-inactivating lentiviral vector (LV) expressing the enhanced green fluorescence protein (EGFP) from an internal cytomegalovirus (CMV) promoter to track these cells after in vivo engraftment. ADSCs from visceral adipose tissue were transduced using a LV incorporating the Rous Sarcoma Virus (RSV) long terminal repeat (LTR) sequences and the Woodchuck hepatitis virus post-transcriptional regulatory element (WPRE) to enhance EGFP gene expression. We compared infection protocols with non-concentrated lentiviral supernatant or pellet fractions after ultracentrifugation, testing transduction efficiency, and reporter gene expression by quantitative flow cytometry at 5 and 28 days. Transduction of ADSCs with pellet after ultracentrifugation provided the highest transduction rate [flow cytometry titers: 6.5 ± 0.3 × 10(5) transduction units (TU)/mL and 20 ± 1.2 × 10(6) TU/mL at day 5 with non-concentrated lentiviral supernatant and pellet, respectively, with titer in the supernatant after ultracentrifugation remaining undetectable]. Reporter gene expression did not affect cell viability, morphology, proliferation, differentiation, self-renewal, or angiogenic activity. Furthermore, reporter gene expression did not significantly affect Fas/CD95-induced apoptosis. The in vivo implantation of transduced ADSCs into a mouse ischemic leg model resulted in efficient engraftment and angiogenesis. ADSC gene labeling using LVs is feasible and efficient, without impairment of stem cell characteristics, cell engraftment, and angiogenic activity. Such transduced ADSCs can be efficiently tracked in vitro and in vivo and may serve as vehicle for therapeutic genes.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.