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Work from the last years indicates that the extracellular matrix (ECM) plays a direct role in various cellular processes, including proliferation, migration and differentiation. Besides homeostatic processes, its regulatory function in inflammation becomes more and more evident. In inflammation, such as inflammatory bowel disease, the ECM composition is constantly remodeled, and this can result in a structuring of fistulizing disease course. Thus, tracking early ECM changes might bear the potential to predict the disease course. In this review, we provide an overview of relevant diagnostic methods, focusing on ECM changes.
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http://dx.doi.org/10.3390/biology10101024 | DOI Listing |
Proc Natl Acad Sci U S A
September 2025
Department of Bioengineering, Stanford University, Stanford, CA 94305.
Despite periods of permanent darkness and extensive ice coverage in polar environments, photosynthetic ice diatoms display a remarkable capability of living inside the ice matrix. How these organisms navigate such hostile conditions with limited light and extreme cold remains unknown. Using a custom subzero temperature microscope during an Arctic expedition, we present the finding of motility at record-low temperatures in a Eukaryotic cell.
View Article and Find Full Text PDFJ Histotechnol
September 2025
3d.FAB, Université Claude Bernard Lyon 1, CNRS, INSA, CPE-Lyon, Villeurbanne, France.
Histological preparation paraffin embedding is the gold standard method for evaluating tissue structure and composition, whether it is originated from biopsy or engineered . Quite often, deformation and shrinkage occur during the histological preparation, which are difficult to predict and qualify. The present study investigates the morphometric changes in bioprinted hydrogels composed of alginate and gelatine, common tissue engineering materials, focusing on three morphologies: full slabs, porous slabs, and porous cubes.
View Article and Find Full Text PDFInvest Ophthalmol Vis Sci
September 2025
The University of Leicester Ulverscroft Eye Unit, School of Psychology and Vision Sciences, University of Leicester, Leicester, United Kingdom.
Purpose: To define the genetic architecture of foveal morphology and explore its relevance to foveal hypoplasia (FH), a hallmark of developmental macular disorders.
Methods: We applied deep-learning algorithms to quantify foveal pit depth from central optical coherence tomography (OCT) B-scans in 61,269 UK Biobank participants. A genome-wide association study (GWAS) was conducted using REGENIE, adjusting for age, sex, height, and ancestry.
Adv Healthc Mater
September 2025
Department of Materials Science and Engineering, University of Washington, Seattle, WA, 98195, USA.
Intervertebral disc degeneration (IDD) is a major cause of low back pain (LBP), significantly affecting on global disability and healthcare costs. Traditional treatments primarily focus on symptom management rather than addressing the underlying causes, such as the decline in nucleus pulposus (NP) cells and reduced extracellular matrix (ECM) synthesis. Cell therapy shows promise by replenishing NP cells, activating resident cells, and enhancing ECM deposition.
View Article and Find Full Text PDFAdv Sci (Weinh)
September 2025
Department of Spine Surgery, The 3rd Affiliated Hospital, Sun Yat-Sen University, Guangzhou, 510630, P. R. China.
Fibrotic scarring remains a critic obstacle to axonal regeneration after spinal cord injury (SCI). Current strategies primarily concentrating on eliminating extracellular matrix (ECM) components neglect their dispensable roles in maintaining tissue integrity. Here, it is reported that the mechanical strength of an integrated hydrogel composed of hyaluronic acid-graft-dopamine and HRR peptide directs fibroblast migration, determining ECM deposition.
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