Evidence map›Paper›PMID 25547808›Full record

ArticleBioconjugate chemistry2015

Dual peptide conjugation strategy for improved cellular uptake and mitochondria targeting.

Ran Lin, Pengcheng Zhang, Andrew G Cheetham, Jeremy Walston, Peter Abadir, Honggang Cui

Abstract read
In one paragraph

Article in Bioconjugate chemistry, 2015. 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
–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

26 citing papers in PubMed.

  1. Article
  2. Review
  3. Review
  4. Review
  5. Article
  6. Review
  7. Article
  8. Synthetic Molecular Evolution of Cell Penetrating Peptides.Methods in molecular biology (Clifton, N.J.) · 2022
    Article
  9. Gallic acid-mitochondria targeting sequence-HThe Korean journal of physiology & pharmacology : official journal of the Korean Physiological Society and the Korean Society of Pharmacology · 2022
    Article
  10. Cell-Penetrating Peptides.Methods in molecular biology (Clifton, N.J.) · 2022
    Article
  11. Peptide-Assisted Nucleic Acid Delivery Systems on the Rise.International journal of molecular sciences · 2021
    Review
  12. Article
  13. Article
  14. Review
  15. Review
  16. A peptide for transcellular cargo delivery: Structure-function relationship and mechanism of action.Journal of controlled release : official journal of the Controlled Release Society · 2020
    Article
  17. Review
  18. Review
  19. Review
  20. Self-assembling prodrugs.Chemical Society reviews · 2017
    Review
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

6 authors.

Ran LinDepartment of Chemical and Biomolecular Engineering, ‡Institute for NanoBioTechnology, §Division of Geriatrics Medicine and Gerontology, and ⊥Department of Oncology and Sidney Kimmel Comprehensive Cancer Center, The Johns Hopkins University , Baltimore, Maryland 21218, United States.
Pengcheng Zhang
Andrew G Cheetham
Jeremy Walston
Peter Abadir
Honggang Cui

Funding

Technological Assessment and Solutions Core - RC4P30AG021334 · NIA · JOHNS HOPKINS UNIVERSITY · PI Jeremy D Walston · 2003 to 2026
$33.2M
NIA NIH HHS P30 AG021334
6 · The paper itself

Abstract

Mitochondria are critical regulators of cellular function and survival. Delivery of therapeutic and diagnostic agents into mitochondria is a challenging task in modern pharmacology because the molecule to be delivered needs to first overcome the cell membrane barrier and then be able to actively target the intracellular organelle. Current strategy of conjugating either a cell penetrating peptide (CPP) or a subcellular targeting sequence to the molecule of interest only has limited success. We report here a dual peptide conjugation strategy to achieve effective delivery of a non-membrane-penetrating dye 5-carboxyfluorescein (5-FAM) into mitochondria through the incorporation of both a mitochondrial targeting sequence (MTS) and a CPP into one conjugated molecule. Notably, circular dichroism studies reveal that the combined use of α-helix and PPII-like secondary structures has an unexpected, synergistic contribution to the internalization of the conjugate. Our results suggest that although the use of positively charged MTS peptide allows for improved targeting of mitochondria, with MTS alone it showed poor cellular uptake. With further covalent linkage of the MTS-5-FAM conjugate to a CPP sequence (R8), the dually conjugated molecule was found to show both improved cellular uptake and effective mitochondria targeting. We believe these results offer important insight into the rational design of peptide conjugates for intracellular delivery.

Indexed as

Amino Acid SequenceCell-Penetrating PeptidesCytosolFluoresceinsHeLa CellsHumansMCF-7 CellsMitochondriaMolecular Sequence DataProtein Transport4-carboxyfluoresceinCell-Penetrating PeptidesFluoresceins

Identifiers

PMID25547808
PMCPMC4306504

What OpenQuestion holds

Textmetadata
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.