Expression data of mouse (C57BL/6) Achilles tendon samples
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ABSTRACT:
PROVIDER: PRJNA491416 | ENA |
REPOSITORIES: ENA
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Project description:We have compared the gene expression profile of rat Achilles tendon-derived stem cells in post-natal tendon development. Rat tendon stem/progenitor cells (TSPCs) were isolated at different stages of post-natal development: TSPCs-1d, TSPCs-7d and TSPCs-56d.
2015-07-10 | GSE68485 | GEO
Project description:We have compared the gene expression profile of rat Achilles tendon-derived stem cells in post-natal tendon development. Rat tendon stem/progenitor cells (TSPCs) were isolated at different stages of post-natal development: TSPCs-1d, TSPCs-7d and TSPCs-56d. TSPCs at different post-natal development stages (1d, 7d and 56d) were isolated, cultured and used for microarray analyses at passage 2. All TSPCs in this study were of isolated from more than one individual. Total RNA was extracted and fragmented biotin-tagged cRNA was hybridized to Rat Genome 230 2.0 Array.
2015-07-10 | E-GEOD-68485 | biostudies-arrayexpress
Project description:We report a single cell transcriptome atlas of Achilles tendon from 6-week-old male C57Bl/6 mice using single cell RNA sequencing.
2019-10-10 | GSE138515 | GEO
Project description:The Achilles tendon is the thickest tendon in the human body, and Achilles tendinopathy is its most prevalent disorder, often considered a consequence of overuse. While disruption to the collagen fibers represents a significant manifestation of Achilles tendinopathy, strikingly little is known about the mechanisms by which healthy tendon accumulates damage in vivo.As existing studies of tendon biomechanics and mechanobiology predominantly relied on in vitro or ex vivo experiments on isolated tissues, it is still largely unknown whether and how disruptions occur to the collagen molecules in healthy Achilles tendons following physiological activities. We reported the first RNA-seq analysis reflecting transcriptome changes in healthy rat Achilles tendons following running, providing a resource for future investigations in tendon mechanobiology and sports medicine.
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Project description:Achilles tendinopathy is often thought to be a consequence of overuse of the Cells within the Achilles tendon of healthy rats undergo a series of changes following physiologic levels of mechanical stimulation after running, and we further explored the transcriptome changes in Achilles tendon cells during post-exercise recovery. Our current experiment reveals RNA-seq analysis of the transcriptome of the rat Achilles tendon after 12 hours of rest following running.
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Project description:Tendon is a highly aligned connective tissue, in which the macro-structure consists of collagen-rich fascicles surrounded by interfascicular matrix (IFM). In a series of recent studies in equine tissue, we have demonstrated specialisation of tendon composition, structure and mechanics to achieve the tendon’s functional requirements, specifically reporting extensive specialisation of the IFM region in the energy storing superficial digital flexor tendon. We have also demonstrated loss of functional specialisms with ageing, leading to a hypothesised new paradigm for tendinopathy, focused on the importance of the IFM. However, to date, there have been no studies focused on structure-function specialisation or the IFM in functionally distinct human tendons. Here, we compare the positional anterior tibialis tendon and energy storing Achilles tendon, performing a detailed analysis of the composition and mechanical properties of both fascicle and IFM regions, to test the hypothesis that the IFM in the energy storing Achilles tendon has specialised composition and mechanical properties, and that these specialisations are lost with ageing. We demonstrate that the IFM is specialised in the energy storing Achilles tendon, with greater elasticity and fatigue resistance than in the positional anterior tibialis tendon. While there were few age-related alterations in mechanics, we did identify age-related alterations in the IFM proteome of the Achilles tendon specifically, which is predicted to be regulated by TGF-beta signalling and may be responsible for the trend towards decreased fatigue resistance observed in the Achilles IFM with ageing.
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Project description:Biomechanical stress is an underestimated factor in rheumatic diseases. In this study the influence of extra activity on gene expression is investigated in healthy mice. We used microarrays to determine the deregulation in gene expression induced by activity.
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Project description:Amniotic derived cells are ideal seed cells for regenerative medicine protocols since they conjugate a remarkable plasticity to safety properties. This study investigated the role exerted by human amniotic cells during the process of tendon healing. In particular, in the present research it has been evaluated, by microarray technique, the presence of transcriptome variations in human amniotic epithelial (hAECs) and mesenchymal (hAMCs) stem cells when xenotransplanted into the preclinical ovine model of tendon defect, compared to freshly isolated ones. This analysis allowed to understand in which way, after 28 days transplantation, hAECs and hAMCs transcripts have been affected. Total of 4 experiments.Two-condition experiment, Human amniotic stem cells xenotransplantated in a sheep achilles tendon vs.HAEC/HAMC Biological replicates: 2 Xenotrasplatations. One replicate per array.
2014-06-30 | E-GEOD-53594 | biostudies-arrayexpress