ArticleGene therapy2010
Signed outside: a surface marker system for transgenic cytoplasmic proteins.
Article in Gene therapy, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 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.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
3 citing papers in PubMed, 5 citations in OpenAlex.
- CRISPR/Cas9-generated p47Scientific reports · 2017Article
- Transcytosis in the blood-cerebrospinal fluid barrier of the mouse brain with an engineered receptor/ligand system.Molecular therapy. Methods & clinical development · 2015Article
- Human miR223 promoter as a novel myelo-specific promoter for chronic granulomatous disease gene therapy.Human gene therapy methods · 2013Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
5 authors at 2 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Chronic granulomatous disease is a primary immunodeficiency, comprising five molecular defects, characterized by an impaired respiratory burst activity of myeloid cells. We are currently developing a gene therapy vector for the p47phox-deficient form of chronic granulomatous disease. Classic intracellular immunostaining of the cytoplasmic p47phox transgene product, however, interferes with respiratory burst activity. In this study we report a new system for measuring p47phox expression: A single open reading frame encoding the surface marker protein ΔLNGFR (truncated low-affinity nerve growth factor receptor) linked to the p47phox transgene by the 2A oligopeptide coexpression technology. Translation generates two discrete products: p47phox localizing to the cytoplasm and 'ΔLNGFR-2A' localizing to the cell surface. Six weeks after transplantation of transduced autologous hematopoietic stem cells into p47-/- mice, the intracellular p47phox fluorescence-activated cell sorting (FACS) signal intensities corresponded to surface ΔLNGFR staining in monocytes, B cells, T cells and Sca I+ bone marrow cells in vivo. The p47phox cleavage product restored nicotinamide adenine dinucleotide phosphate-oxidase activity in granulocytes differentiated from transduced p47phox-/- murine hematopoietic stem cells ex vivo, in murine granulocytes/monocytes in vivo, and in transduced human monocyte derived macrophages from p47phox-deficient chronic granulomatous disease patients. In conclusion, this new marker system allows highly efficient, indirect detection of cytoplasmic transgene products by FACS surface staining.
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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.