Evidence map›Paper›PMID 21880161›Full record

ReviewParasitology2012

Nucleic acid transfection and transgenesis in parasitic nematodes.

James B Lok

Abstract readReview
In one paragraph

Review in Parasitology, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 26 papers.

0numbers the graph read from it
0cells of the map it votes in
26citing papers in PubMed
2.0field-weighted citation impact, top 14% 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

26 citing papers in PubMed, 42 citations in OpenAlex.

  1. Review
  2. Article
  3. Article
  4. Invade or die: behaviours and biochemical mechanisms that drive skin penetration inPhilosophical transactions of the Royal Society of London. Series B, Biological sciences · 2024
    Review
  5. Review
  6. Article
  7. Article
  8. Article
  9. Review
  10. Review
  11. Terror in the dirt: Sensory determinants of host seeking in soil-transmitted mammalian-parasitic nematodes.International journal for parasitology. Drugs and drug resistance · 2018
    Review
  12. Review
  13. Article
  14. Review
  15. Article
  16. Article
  17. Review
  18. Gas sensing in nematodes.Molecular neurobiology · 2015
    Review
  19. Article
  20. Article
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

1 author at 1 institution in 1 country.

James B LokDepartment of Pathobiology, School of Veterinary Medicine, University of Pennsylvania, 3800 Spruce Street, Philadelphia, PA 19104, USA. jlok@vet.upenn.edu
University of Pennsylvania · US

Funding

INSULIN-LIKE SIGNALING IN PARASITIC NEMATODE DEVELOPMENTR01AI050668 · NIAID · UNIVERSITY OF PENNSYLVANIA · PI HERBERT, DE'BROSKI R · 2002 to 2023
$7.1M
HUMAN STRONGYLOIDIASIS MODEL DEVELOPMENTR01AI022662 · NIAID · UNIVERSITY OF PENNSYLVANIA · PI LOK, JAMES B · 1985 to 2012
$3.7M
Molecular Genetic Tools for Parasitic HelminthsR01AI082548 · NIAID · UNIVERSITY OF PENNSYLVANIA · PI LOK, JAMES B, PEARCE, EDWARD J. · 2009 to 2013
$1.9M
NIAID NIH HHS AI22662NIAID NIH HHS AI50668NIAID NIH HHS AI82548NIAID NIH HHS R01 AI022662NIAID NIH HHS R01 AI050668NIAID NIH HHS R01 AI082548
6 · The paper itself

Abstract

Transgenesis is an essential tool for assessing gene function in any organism, and it is especially crucial for parasitic nematodes given the dwindling armamentarium of effective anthelmintics and the consequent need to validate essential molecular targets for new drugs and vaccines. Two of the major routes of gene delivery evaluated to date in parasitic nematodes, bombardment with DNA-coated microparticles and intragonadal microinjection of DNA constructs, draw upon experience with the free-living nematode Caenorhabditis elegans. Bombardment has been used to transiently transfect Ascaris suum, Brugia malayi and Litomosoides sigmodontis with both RNA and DNA. Microinjection has been used to achieve heritable transgenesis in Strongyloides stercoralis, S. ratti and Parastrongyloides trichosuri and for additional transient expression studies in B. malayi. A third route of gene delivery revisits a classic method involving DNA transfer facilitated by calcium-mediated permeabilization of recipient cells in developing B. malayi larvae and results in transgene inheritance through host and vector passage. Assembly of microinjected transgenes into multi-copy episomal arrays likely results in their transcriptional silencing in some parasitic nematodes. Methods such as transposon-mediated transgenesis that favour low-copy number chromosomal integration may remedy this impediment to establishing stable transgenic lines. In the future, stable transgenesis in parasitic nematodes could enable loss-of-function approaches by insertional mutagenesis, in situ expression of inhibitory double-stranded RNA or boosting RNAi susceptibility through heterologous expression of dsRNA processing and transport proteins.

Indexed as

Gene Transfer TechniquesTransfectionAnimalsMicroinjectionsNematodaNucleic AcidsTransgenesNucleic Acids

Identifiers

PMID21880161
PMCPMC3319118
OpenAlexW2092121993

What OpenQuestion holds

Textmetadata
LicenceTDM
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.