Your browser doesn't support javascript.
loading
Alpha- and beta-adrenergic octopamine receptors in muscle and heart are required for Drosophila exercise adaptations.
Sujkowski, Alyson; Gretzinger, Anna; Soave, Nicolette; Todi, Sokol V; Wessells, Robert.
Afiliación
  • Sujkowski A; Department of Physiology, Wayne State University School of Medicine, Detroit, Michigan, United States of America.
  • Gretzinger A; Department of Pharmacology, Wayne State University School of Medicine, Detroit, Michigan, United States of America.
  • Soave N; Department of Physiology, Wayne State University School of Medicine, Detroit, Michigan, United States of America.
  • Todi SV; Department of Pharmacology, Wayne State University School of Medicine, Detroit, Michigan, United States of America.
  • Wessells R; Department of Physiology, Wayne State University School of Medicine, Detroit, Michigan, United States of America.
PLoS Genet ; 16(6): e1008778, 2020 06.
Article en En | MEDLINE | ID: mdl-32579604
Endurance exercise has broadly protective effects across organisms, increasing metabolic fitness and reducing incidence of several age-related diseases. Drosophila has emerged as a useful model for studying changes induced by chronic endurance exercise, as exercising flies experience improvements to various aspects of fitness at the cellular, organ and organismal level. The activity of octopaminergic neurons is sufficient to induce the conserved cellular and physiological changes seen following endurance training. All 4 octopamine receptors are required in at least one target tissue, but only one, Octß1R, is required for all of them. Here, we perform tissue- and adult-specific knockdown of alpha- and beta-adrenergic octopamine receptors in several target tissues. We find that reduced expression of Octß1R in adult muscles abolishes exercise-induced improvements in endurance, climbing speed, flight, cardiac performance and fat-body catabolism in male Drosophila. Importantly, Octß1R and OAMB expression in the heart is also required cell-nonautonomously for adaptations in other tissues, such as skeletal muscles in legs and adult fat body. These findings indicate that activation of distinct octopamine receptors in skeletal and cardiac muscle are required for Drosophila exercise adaptations, and suggest that cell non-autonomous factors downstream of octopaminergic activation play a key role.
Asunto(s)

Texto completo: 1 Banco de datos: MEDLINE Asunto principal: Adaptación Fisiológica / Receptores de Neurotransmisores / Músculo Esquelético / Proteínas de Drosophila / Receptores Acoplados a Proteínas G / Vuelo Animal / Corazón / Miocardio Tipo de estudio: Prognostic_studies Límite: Animals Idioma: En Revista: PLoS Genet Asunto de la revista: GENETICA Año: 2020 Tipo del documento: Article País de afiliación: Estados Unidos

Texto completo: 1 Banco de datos: MEDLINE Asunto principal: Adaptación Fisiológica / Receptores de Neurotransmisores / Músculo Esquelético / Proteínas de Drosophila / Receptores Acoplados a Proteínas G / Vuelo Animal / Corazón / Miocardio Tipo de estudio: Prognostic_studies Límite: Animals Idioma: En Revista: PLoS Genet Asunto de la revista: GENETICA Año: 2020 Tipo del documento: Article País de afiliación: Estados Unidos