Evidence map›Paper›PMID 21348512›Full record

ArticleJournal of the American Chemical Society2011

Molecular mechanochemistry: low force switch slows enzymatic cleavage of human type I collagen monomer.

Robert J Camp, Melody Liles, John Beale, Nima Saeidi, Brendan P Flynn, Elias Moore, Shashi K Murthy, Jeffrey W Ruberti

Open access · greenAbstract read
In one paragraph

Article in Journal of the American Chemical Society, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 44 papers.

0numbers the graph read from it
0cells of the map it votes in
44citing papers in PubMed
5.8field-weighted citation impact, top 3% 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

44 citing papers in PubMed, 92 citations in OpenAlex.

  1. Article
  2. Article
  3. Collagen Mechanics.Sub-cellular biochemistry · 2026
    Review
  4. Article
  5. Article
  6. Mechanochemistry of collagen.Acta biomaterialia · 2023
    Review
  7. Article
  8. Article
  9. Article
  10. Article
  11. Tension in fibrils suppresses their enzymatic degradation - A molecular mechanism for 'use it or lose it'.Matrix biology : journal of the International Society for Matrix Biology · 2020
    Review
  12. Review
  13. Article
  14. Models of tendon development and injury.BMC biomedical engineering · 2019
    Article
  15. Article
  16. Non-enzymatic cross-linking of collagen type II fibrils is tuned via osmolality switch.Journal of orthopaedic research : official publication of the Orthopaedic Research Society · 2018
    Article
  17. Article
  18. Article
  19. Article
  20. Internal strain drives spontaneous periodic buckling in collagen and regulates remodeling.Proceedings of the National Academy of Sciences of the United States of America · 2016
    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

8 authors at 2 institutions in 2 countries.

Robert J CampDepartment of Mechanical and Industrial Engineering, Northeastern University, 360 Huntington Avenue, Boston, Massuachusetts 02115, United States.
Melody Liles
John Beale
Nima Saeidi
Brendan P Flynn
Elias Moore
Shashi K Murthy
Jeffrey W Ruberti
Northeastern University · USUniversity of Wales · GB

Funding

Investigation of Collagen as a Smart Engineering MaterialR21AR053551 · NIAMS · NORTHEASTERN UNIVERSITY · PI RUBERTI, JEFFREY W · 2006 to 2007
$375k
NIAMS NIH HHS 1 R21 AR053551-01NIAMS NIH HHS R21 AR053551
6 · The paper itself

Abstract

In vertebrate animals, fibrillar collagen accumulates, organizes, and persists in structures which resist mechanical force. This antidissipative behavior is possibly due to a mechanochemical force-switch which converts collagen from enzyme-susceptible to enzyme-resistant. Degradation experiments on native tissue and reconstituted fibrils suggest that collagen/enzyme kinetics favor the retention of loaded collagen. We used a massively parallel, single molecule, mechanochemical reaction assay to demonstrate that the effect is derivative of molecular mechanics. Tensile loads higher than 3 pN dramatically reduced (10×) the enzymatic degradation rate of recombinant human type I collagen monomers by Clostridium histolyticum compared to unloaded controls. Because bacterial collagenase accesses collagen at multiple sites and is an aggressive cleaver of the collagen triple helical domain, the results suggest that collagen molecular architecture is generally more stable when mechanically strained in tension. Thus the tensile mechanical state of collagen monomers is likely to be correlated to their longevity in tissues. Further, strain-actuated molecular stability of collagen may constitute the fundamental basis of a smart structural mechanism which enhances the ability of animals to place, retain, and load-optimize material in the path of mechanical forces.

Indexed as

Collagen Type IHumansHydrolysisKineticsCollagen Type I

Identifiers

PMID21348512
PMCPMC3299535
OpenAlexW2072413281

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.