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Homogenates of skeletal muscle injected with snake venom inhibit myogenic differentiation in cell culture

artículo científico
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Date
2013-02
Author
Saravia Otten, Patricia
Robledo, Bárbara
Escalante Muñoz, Teresa
Bonilla, Llira
Rucavado Romero, Alexandra
Lomonte, Bruno
Hernández, Rosario
Flock, Jan-Ingmar
Gutiérrez, José María
Gastaldello, Stefano
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Abstract
Introduction: Viperid snakebite envenomings are characterized by muscle necrosis and a deficient regenerative response. Methods: Homogenates from gastrocnemius muscles of mice injected with the venom of the snake Bothrops asper or with 2 tissue-damaging toxins were added to cultures of C2C12 myogenic cells. Myoblasts proliferation and fusion were assessed. Venom was detected by immunoassay in mouse muscle during the first week after injection. Results: Homogenates from venom-injected muscle induced a drop in the number of proliferating myoblasts and a complete elimination of myotube formation. The inhibitory effect induced by homogenates from venom-injected mice was abrogated by preincubation of the homogenate with antivenom antibodies but not with control antibodies. This finding provides evidence that the effect is due to the action of venom in the tissue. Conclusions: Our observations suggest that traces of venom in muscle tissue might inhibit myotube formation and preclude a successful regenerative response.
URI
https://hdl.handle.net/10669/30080
External link to the item
10.1002/mus.23489
http://onlinelibrary.wiley.com/doi/10.1002/mus.23489/abstract
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  • Microbiología [990]



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  • Repositorios universitarios

  • Repositorio del SIBDI-UCR
  • Biblioteca Digital del CIICLA
  • Repositorio Documental Rafael Obregón Loría (CIHAC)
  • Biblioteca Digital Carlos Melendez (CIHAC)
  • Repositorio de Fotografías
  • Colección de videos de UPA-VAS
  • Sitios recomendados

  • Buscador regional de LA Referencia
  • Buscador del Open ROAR
  • Scientific Electronic Library Online (SciELO)
  • Directory of Open Access Journals (DOAJ)
  • Redalyc
  • Redes sociales

  • facebook.com/repositoriokerwa
  • @Ciencia_UCR
  • Sobre Kérwá
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Contact Us | Send Feedback
Repositorio Institucional de la Universidad de Costa Rica. Algunos derechos reservados. Este repositorio funciona con DSpace.