Evidence map›Paper›PMID 24659971›Full record

ReviewFrontiers in physiology2014

Targeting diseased tissues by pHLIP insertion at low cell surface pH.

Oleg A Andreev, Donald M Engelman, Yana K Reshetnyak

Abstract readReview
In one paragraph

Review in Frontiers in physiology, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 52 papers.

0numbers the graph read from it
0cells of the map it votes in
52citing papers in PubMed
–field-weighted citation impact
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

52 citing papers in PubMed.

  1. Article
  2. Review
  3. Review
  4. Review
  5. Arginine Residues Modulate the Membrane Interactions of pHLIP Peptides.Journal of chemical information and modeling · 2023
    Article
  6. Review
  7. Increasing the Realism ofJournal of chemical theory and computation · 2022
    Article
  8. Review
  9. CaProtein science : a publication of the Protein Society · 2022
    Article
  10. Spiers Memorial Lecture: Analysis andFaraday discussions · 2021
    Article
  11. Review
  12. Article
  13. Review
  14. Review
  15. Article
  16. Kinetics of pHLIP peptide insertion into and exit from a membrane.Proceedings of the National Academy of Sciences of the United States of America · 2020
    Article
  17. Review
  18. Review
  19. Article
  20. Mapping pH at Cancer Cell Surfaces.Molecular imaging and biology · 2019
    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

3 authors.

Oleg A AndreevDepartment of Physics, University of Rhode Island Kingston, RI, USA.
Donald M EngelmanDepartment of Molecular Biophysics and Biochemistry, Yale University New Haven, CT, USA.
Yana K ReshetnyakDepartment of Physics, University of Rhode Island Kingston, RI, USA.

Funding

TM INTERACTIONS IN MEMBRANE PROTEIN FOLDING AND FUNCTIONR01GM073857 · NIGMS · YALE UNIVERSITY · PI ANDREEV, OLEG A, ENGELMAN, DONALD M. · 2006 to 2023
$8.4M
pHLIP Nanotechnology Platform for Cancer Imaging and TherapyR01CA133890 · NCI · UNIVERSITY OF RHODE ISLAND · PI ANDREEV, OLEG A, ENGELMAN, DONALD M. · 2008 to 2012
$3.8M
New Technology for Selective Delivery of PNAs in Cancer Cells In Vitro and In VivR21CA125280 · NCI · UNIVERSITY OF RHODE ISLAND · PI ANDREEV, OLEG A · 2007 to 2008
$278k
NCI NIH HHS R01 CA133890NCI NIH HHS R21 CA125280NIGMS NIH HHS R01 GM073857
6 · The paper itself

Abstract

The discovery of the pH Low Insertion Peptides (pHLIPs®) provides an opportunity to develop imaging and drug delivery agents targeting extracellular acidity. Extracellular acidity is associated with many pathological states, such as those in cancer, ischemic stroke, neurotrauma, infection, lacerations, and others. The metabolism of cells in injured or diseased tissues often results in the acidification of the extracellular environment, so acidosis might be useful as a general marker for the imaging and treatment of diseased states if an effective targeting method can be developed. The molecular mechanism of a pHLIP peptide is based on pH-dependent membrane-associated folding. pHLIPs, being moderately hydrophobic peptides, have high affinities for cellular membranes at normal pH, but fold and insert across membranes at low pH, allowing them to sense pH at the surfaces of cells in diseased tissues, where it is the lowest. Here we discuss the main principles of pHLIP interactions with membrane lipid bilayers at neutral and low pHs, the possibility of tuning the folding and insertion pH by peptide sequence variation, and potential applications of pHLIPs for imaging, therapy and image-guided interventions.

Indexed as

drug deliveryimagingnanotechnologyuniversal health test

Identifiers

PMID24659971
PMCPMC3952044

What OpenQuestion holds

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Registered trials

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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.