Evidence map›Paper›PMID 31694943›Full record

ArticleJournal of virology2020

Experimental Evolution Generates Novel Oncolytic Vesicular Stomatitis Viruses with Improved Replication in Virus-Resistant Pancreatic Cancer Cells.

Sara L Seegers, Connor Frasier, Sarah Greene, Irina V Nesmelova, Valery Z Grdzelishvili

Open access · hybridAbstract read
In one paragraph

Article in Journal of virology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 32 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
32citing papers in PubMed, 1 pooled it
3.2field-weighted citation impact, top 8% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

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.

2 · The registry

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.

3 · Its place in the literature

Who cites it

32 citing papers in PubMed, 1 synthesis or guideline pooled it, 42 citations in OpenAlex.

  1. Pooled it
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  4. Oncolytic viruses: advanced strategies in cancer therapy.Signal transduction and targeted therapy · 2026
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

5 authors at 1 institution in 1 country.

Sara L SeegersDepartment of Biological Sciences, University of North Carolina at Charlotte, Charlotte, North Carolina, USA.
Connor FrasierDepartment of Biological Sciences, University of North Carolina at Charlotte, Charlotte, North Carolina, USA.
Sarah GreeneDepartment of Biological Sciences, University of North Carolina at Charlotte, Charlotte, North Carolina, USA.
Irina V NesmelovaDepartment of Physics and Optical Science, University of North Carolina at Charlotte, Charlotte, North Carolina, USA.
Valery Z GrdzelishviliDepartment of Biological Sciences, University of North Carolina at Charlotte, Charlotte, North Carolina, USA vzgrdzel@uncc.edu.
University of North Carolina at Charlotte · US

Funding

CELLULAR PATHWAYS AFFECTING ONCOLYTIC VIRUS-HOST INTERACTIONS IN CANCERR15CA195463 · NCI · UNIVERSITY OF NORTH CAROLINA CHARLOTTE · PI GRDZELISHVILI, VALERY ZURABOVICH · 2016 to 2016
$445k
Rational Oncolytic Virotherapy For Pancreatic Cancer Using Vesicular Stomatitis VirusR15CA238864 · NCI · UNIVERSITY OF NORTH CAROLINA CHARLOTTE · PI GRDZELISHVILI, VALERY ZURABOVICH · 2019 to 2019
$440k
NCI NIH HHS R15 CA195463NCI NIH HHS R15 CA238864
6 · The paper itself

Abstract

Vesicular stomatitis virus (VSV) based oncolytic viruses are promising agents against various cancers. We have shown that pancreatic ductal adenocarcinoma (PDAC) cell lines exhibit great diversity in susceptibility and permissibility to VSV. Here, using a directed evolution approach with our two previously described oncolytic VSV recombinants, VSV-p53wt and VSV-p53-CC, we generated novel oncolytic VSVs with an improved ability to replicate in virus-resistant PDAC cell lines. VSV-p53wt and VSV-p53-CC encode a VSV matrix protein (M) with a ΔM51 mutation (M-ΔM51) and one of two versions of a functional human tumor suppressor, p53, fused to a far-red fluorescent protein, eqFP650. Each virus was serially passaged 32 times (which accounts for more than 60 viral replication cycles) on either the SUIT-2 (moderately resistant to VSV) or MIA PaCa-2 (highly permissive to VSV) human PDAC cell lines. While no phenotypic changes were observed for MIA PaCa-2-passaged viruses, both SUIT-2-passaged VSV-p53wt and VSV-p53-CC showed improved replication in SUIT-2 and AsPC-1, another human PDAC cell line also moderately resistant to VSV, while remaining highly attenuated in nonmalignant cells. Surprisingly, two identical VSV glycoprotein (VSV-G) mutations, K174E and E238K, were identified in both SUIT-2-passaged viruses. Additional experiments indicated that the acquired G mutations improved VSV replication, at least in part due to improved virus attachment to SUIT-2 cells. Importantly, no mutations were found in the M-ΔM51 protein, and no deletions or mutations were found in the p53 or eqFP650 portions of virus-carried transgenes in any of the passaged viruses, demonstrating long-term genomic stability of complex VSV recombinants carrying large transgenes.

Indexed as

Carcinoma, Pancreatic DuctalCell Line, TumorGlycoproteinsHumansModels, MolecularMutationOncolytic VirotherapyOncolytic VirusesPancreatic NeoplasmsProtein ConformationRecombinant ProteinsTumor Suppressor Protein p53Vesicular StomatitisVesicular stomatitis Indiana virusViral Fusion ProteinsViral Matrix ProteinsGlycoproteinsM protein, Vesicular stomatitis virusRecombinant ProteinsTumor Suppressor Protein p53Viral Fusion ProteinsViral Matrix ProteinsViral Proteinsattachmentexperimental evolutionLDLRoncolytic virusp53pancreatic cancerpancreatic ductal adenocarcinomatransgene stabilityvesicular stomatitis virusVSV glycoprotein

Identifiers

PMID31694943
PMCPMC7000975
OpenAlexW2987401578

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

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.