ArticleGenetic vaccines and therapy2008
Therapeutic dendritic cell vaccine preparation using tumor RNA transfection: a promising approach for the treatment of prostate cancer.
Article in Genetic vaccines and therapy, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed, 11 citations in OpenAlex.
- A suppressor of cytokine signaling 1 antagonist enhances antigen-presenting capacity and tumor cell antigen-specific cytotoxic T lymphocyte responses by human monocyte-derived dendritic cells.Clinical and vaccine immunology : CVI · 2013Article
- Cytotoxic Activity of Peripheral Blood Mononuclear Leukocytes, Activated by Interleukin-2/β-Cyclodextrin Nanocomposition against Androgen Receptor-Negative Prostate Cancers.ISRN oncology · 2011Article
- Cancer vaccines: current directions and perspectives in prostate cancer.Current opinion in molecular therapeutics · 2009Review
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundEarly prostate adenocarcinoma can be diagnosed through seric prostate-specific antigen (PSA) screenings. However, a fraction of patients progress to an incurable metastatic disease. Therefore, novel therapies for treating these patients are extremely desirable. Therapeutic vaccines based on Dendritic Cells (DCs) carrying tumor antigens have emerged as a promising strategy to initiate an immune response against tumor cells. These vaccines can be prepared using different methodologies, such as the application of tumor mRNA described in this work.
methodsMature and immature DCs were obtained in vitro by adding specific cytokines to monocyte cell cultures. RNA extracted from prostate tumor lineage (LNCAP) was introduced into these cells by electroporation and co-incubation. Transfection success was measured by immunocytochemistry of the PSA expression level in DCs.
resultsCell surface markers, including CD14, CD80, CD86, CCR7, CD11c, and CD1a, confirmed mature and immature DC phenotypes. Both cell maturation stages were successfully used for RNA introduction as shown by PSA characterization.
conclusionOur data support the use of mature and immature DCs for vaccine preparation with either RNA electroporation or RNA co-incubation. The highest efficiency, however, was observed when RNA was delivered by electroporation into mature DCs. Due to in vitro RNA transcription, this method allows small tumors to be used for DC vaccine preparation; it is therefore a promising approach for the treatment of metastatic prostate cancer.
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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.