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DC Field | Value | Language |
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dc.contributor | Sistema FMUSP-HC: Faculdade de Medicina da Universidade de São Paulo (FMUSP) e Hospital das Clínicas da FMUSP | |
dc.contributor.author | BACCAM, Alexandra | |
dc.contributor.author | BENONI-SVIERCOVICHO, Alexandra | |
dc.contributor.author | ROCCHI, Marco | |
dc.contributor.author | MORESI, Viviana | |
dc.contributor.author | SEELAENDER, Marilia | |
dc.contributor.author | LI, Zhenlin | |
dc.contributor.author | ADAMO, Sergio | |
dc.contributor.author | XUE, Zhigang | |
dc.contributor.author | COLETTI, Dario | |
dc.date.accessioned | 2019-05-30T13:51:27Z | |
dc.date.available | 2019-05-30T13:51:27Z | |
dc.date.issued | 2019 | |
dc.identifier.citation | FRONTIERS IN PHYSIOLOGY, v.10, article ID 401, 9p, 2019 | |
dc.identifier.issn | 1664-042X | |
dc.identifier.uri | https://observatorio.fm.usp.br/handle/OPI/32006 | |
dc.description.abstract | Activin negatively affects muscle fibers and progenitor cells in aging (sarcopenia) and in chronic diseases characterized by severe muscle wasting (cachexia). High circulating activin levels predict poor survival in cancer patients. However, the relative impact of activin in mediating muscle atrophy and hampered homeostasis is still unknown. To directly assess the involvement of activin, and its physiological inhibitor follistatin, in cancer-induced muscle atrophy, we cultured C2C12 myotubes in the absence or in the presence of a mechanical stretching stimulus and in the absence or presence of C26 tumor-derived factors (CM), so as to mimic the mechanical stimulation of exercise and cancer cachexia, respectively. We found that CM induces activin release by myotubes, further exacerbating the negative effects of tumor-derived factors. In addition, mechanical stimulation is sufficient to counteract the adverse tumor-induced effects on muscle cells, in association with an increased follistatin/activin ratio in the cell culture medium, indicating that myotubes actively release follistatin upon stretching. Recombinant follistatin counteracts tumor effects on myotubes exclusively by rescuing fusion index, suggesting that it is only partially responsible for the stretch-mediated rescue. Therefore, besides activin, other tumor-derived factors may play a significant role in mediating muscle atrophy. In addition to increasing follistatin secretion mechanical stimulation induces additional beneficial responses in myotubes. We propose that in animal models of cancer cachexia and in cancer patients purely mechanical stimuli play an important role in mediating the rescue of the muscle homeostasis reported upon exercise. | eng |
dc.description.sponsorship | AFM [2017-20603] | |
dc.description.sponsorship | EFEM 2016 | |
dc.description.sponsorship | IBPS Action Incitative (2014) | |
dc.description.sponsorship | ANR [2013-J13R191] | |
dc.description.sponsorship | 2016 Sapienza Research projects [RM116154ECE34AF4, RM11715C78539BD8] | |
dc.language.iso | eng | |
dc.publisher | FRONTIERS MEDIA SA | eng |
dc.relation.ispartof | Frontiers in Physiology | |
dc.rights | restrictedAccess | eng |
dc.subject | skeletal muscle atrophy | eng |
dc.subject | myokines | eng |
dc.subject | mechanotransduction | eng |
dc.subject | exercise | eng |
dc.subject | C26 colon carcinoma | eng |
dc.subject | FlexCell apparatus | eng |
dc.subject.other | cancer cachexia | eng |
dc.subject.other | adipose-tissue | eng |
dc.subject.other | activin-a | eng |
dc.subject.other | muscle | eng |
dc.subject.other | exercise | eng |
dc.subject.other | myostatin | eng |
dc.subject.other | inflammation | eng |
dc.subject.other | hypertrophy | eng |
dc.subject.other | blockade | eng |
dc.subject.other | reversal | eng |
dc.title | The Mechanical Stimulation of Myotubes Counteracts the Effects of Tumor-Derived Factors Through the Modulation of the Activin/Follistatin Ratio | eng |
dc.type | article | eng |
dc.rights.holder | Copyright FRONTIERS MEDIA SA | eng |
dc.identifier.doi | 10.3389/fphys.2019.00401 | |
dc.identifier.pmid | 31068826 | |
dc.subject.wos | Physiology | eng |
dc.type.category | original article | eng |
dc.type.version | publishedVersion | eng |
hcfmusp.author.external | BACCAM, Alexandra:Sorbonne Univ, Biol Adaptat & Aging B2A, UMR8256 INSERM ERL U1164, Paris, France; Sapienza Univ Rome, Dept Anat Histol Forens & Orthoped Sci, Sect Histol, Rome, Italy; Interuniv Inst Myol, Rome, Italy | |
hcfmusp.author.external | BENONI-SVIERCOVICHO, Alexandra:Sorbonne Univ, Biol Adaptat & Aging B2A, UMR8256 INSERM ERL U1164, Paris, France; Sapienza Univ Rome, Dept Anat Histol Forens & Orthoped Sci, Sect Histol, Rome, Italy; Interuniv Inst Myol, Rome, Italy | |
hcfmusp.author.external | ROCCHI, Marco:Univ Urbino, Dept Biomol Sci, Urbino, Italy | |
hcfmusp.author.external | MORESI, Viviana:Sapienza Univ Rome, Dept Anat Histol Forens & Orthoped Sci, Sect Histol, Rome, Italy; Interuniv Inst Myol, Rome, Italy | |
hcfmusp.author.external | LI, Zhenlin:Sapienza Univ Rome, Dept Anat Histol Forens & Orthoped Sci, Sect Histol, Rome, Italy | |
hcfmusp.author.external | ADAMO, Sergio:Sorbonne Univ, Biol Adaptat & Aging B2A, UMR8256 INSERM ERL U1164, Paris, France; Interuniv Inst Myol, Rome, Italy | |
hcfmusp.author.external | XUE, Zhigang:Sapienza Univ Rome, Dept Anat Histol Forens & Orthoped Sci, Sect Histol, Rome, Italy | |
hcfmusp.author.external | COLETTI, Dario:Sorbonne Univ, Biol Adaptat & Aging B2A, UMR8256 INSERM ERL U1164, Paris, France; Sapienza Univ Rome, Dept Anat Histol Forens & Orthoped Sci, Sect Histol, Rome, Italy; Interuniv Inst Myol, Rome, Italy | |
hcfmusp.description.articlenumber | 401 | |
hcfmusp.description.volume | 10 | |
hcfmusp.origem | WOS | |
hcfmusp.origem.id | WOS:000465664400001 | |
hcfmusp.origem.id | 2-s2.0-85068208430 | |
hcfmusp.publisher.city | LAUSANNE | eng |
hcfmusp.publisher.country | SWITZERLAND | eng |
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dc.description.index | PubMed | eng |
hcfmusp.citation.scopus | 21 | - |
hcfmusp.scopus.lastupdate | 2024-03-29 | - |
Appears in Collections: | Artigos e Materiais de Revistas Científicas - LIM/26 Artigos e Materiais de Revistas Científicas - ODS/03 |
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