ArticleInternational journal of clinical and experimental pathology2015
Establishment of stable multiple myeloma cell line with overexpressed PDCD5 and its proapoptosis mechanism.
Article in International journal of clinical and experimental pathology, 2015. 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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Who cites it
2 citing papers in PubMed, 2 citations in OpenAlex.
- Knockdown of caspase-activated DNase and B-cell lymphoma 2 inhibits cell proliferation and drug resistance in TP53-mutant multiple myeloma.Inflammation research : official journal of the European Histamine Research Society ... [et al.] · 2026Article
- Effects of Holothurian Glycosaminoglycan on the Sensitivity of Lung Cancer to Chemotherapy.Integrative cancer therapiesArticle
Corrections and comments
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Authors and funding
8 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
objectiveThe transfected multiple myeloma cell line showing a stable doxycycline (DOX)-induced expression of PDCD5 was established. PDCD5 overexpression in the transfected cell line was analyzed for its effect on the dexamethasone (DXM)-induced apoptosis along with a discussion on the mechanism.
methods(1) Lentiviral plasmid was used for the transfection of PDCD5 gene into the multiple myeloma cells. The screening was done by applying puromycin, and PDCD5 expression was induced by DOX. Real-time fluorescence quantitative PCR and Western Blot were performed to detect the expression levels of the target gene in the stable transfection group and the empty vector group; (2) The cell apoptosis rates of stable transfection group, blank group and empty vector group were measured by Annexin-APC/PI double staining flow cytometry; (3) Real-time fluorescence quantitative PCR and Western Blot were carried out to detect the expression levels of survivin, casepase-3 and Bcl-2 genes and proteins.
resultsPDCD5 expression was significantly increased in the stably tranfected multiple myeloma cells compared with blank group and empty vector group. The cells in the transfection group were more sensitive to DXM, and the proportion of apoptotic cells was obviously higher than that of the blank group and the empty vector group (P<0.05). Survivin and Bcl-2 were considerably downregulated in U266/PDCD5 cells and combined DXM group than in the single agent group. However, caspase-3 was significantly upregulated.
conclusionMultiple myeloma cell line transfected with endogenous PDCD5 gene was established. The endogenous PDCD5 overexpression accelerated the cell apoptosis under DXM induction. The proapoptotic action of PDCD5 gene had the effect of activating casepase-3 and downregulating survivin and Bcl-2, which further promoted the apoptosis of multiple myeloma cells.
Indexed as
Identifiers
26617773PMC4637588W2409502930What OpenQuestion holds
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.