Evidence map›Paper›PMID 22531177›Full record

ArticleNature communications2012

Stiffening hydrogels to probe short- and long-term cellular responses to dynamic mechanics.

Murat Guvendiren, Jason A Burdick

Abstract read
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In one paragraph

Article in Nature communications, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 339 papers.

0numbers the graph read from it
0cells of the map it votes in
339citing 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

339 citing papers in PubMed.

  1. Sea Cucumber-Inspired Double-Network Biopolymer Hydrogels for Programmable Soft Machines.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026
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279 more citing papers are in PubMed but not listed here.

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

2 authors.

Murat GuvendirenDepartment of Bioengineering, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA.
Jason A Burdick

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Biological processes are dynamic in nature, and growing evidence suggests that matrix stiffening is particularly decisive during development, wound healing and disease; yet, nearly all in vitro models are static. Here we introduce a step-wise approach, addition then light-mediated crosslinking, to fabricate hydrogels that stiffen (for example, ~3-30 kPa) in the presence of cells, and investigated the short-term (minutes-to-hours) and long-term (days-to-weeks) cell response to dynamic stiffening. When substrates are stiffened, adhered human mesenchymal stem cells increase their area from ~500 to 3,000 μm(2) and exhibit greater traction from ~1 to 10 kPa over a timescale of hours. For longer cultures up to 14 days, human mesenchymal stem cells selectively differentiate based on the period of culture, before or after stiffening, such that adipogenic differentiation is favoured for later stiffening, whereas osteogenic differentiation is favoured for earlier stiffening.

Indexed as

Biomechanical PhenomenaCell AdhesionCell Culture TechniquesCell MovementCells, CulturedExtracellular MatrixHumansHydrogelsMesenchymal Stem CellsTime FactorsHydrogels

Identifiers

PMID22531177

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.