Impact of diet-induced obesity on the mouse brain phosphoproteome

Antonella Amato, Francesca Di Salvo, Marcello Filogamo, Sonya Vasto, Sonya Vasto, Peter James, Valentina Siino, Marcello Filogamo

Risultato della ricerca: Article

1 Citazione (Scopus)

Abstract

Obesity is closely associated to several diseases such as type 2 diabetes, cardiovascular disease, hepatic steatosis, airway disease, neurodegeneration, biliarydiseases and certain cancers. It is, therefore, of importance to assess the role of nutrition in disease prevention as well as its effect in the course of suchpathologies. In the present study, we addressed the impact of the exposure to different obesogenic diets in the mice brains phosphoproteome. To analyze if theobesity could be able to modify the protein pattern expression of brain neurons, obesity was induced in two different groups of mice. One group of mice was fedwith hyperglycemic diet (HGD) and the other one was fed with high-fat diet (HFD), both for 12 weeks. A control group of lean mice was fed with a standard diet(SD). Metabolic parameters were measured before sacrifice, and brains were harvested for label-free phosphoproteomic analysis. Mice brains were analyzed tofind differences, if any, in protein phosphorylation. Interestingly, the changes were independent of the obesogenic diet as no changes were detected between thetwo obese groups. Dephosphorylation of proteins involved in neuronal development (among others SYNGAP1 and PPP1R9B), in vesicle trafficking (for exampleSNAP91 and AMPH) and in cytoskeletal functions (for example, CLASP2 and GSK3B) was identified, while increased phosphorylation was detected formicrotubule proteins (such as MAP2 and MAPT). Phospho site analysis of the mouse brain proteome reveals important changes that point to a connectionbetween diet-induced obesity and impairment of neuronal functions and signaling.
Lingua originaleEnglish
pagine (da-a)102-109
Numero di pagine8
RivistaDefault journal
Volume58
Stato di pubblicazionePublished - 2018

All Science Journal Classification (ASJC) codes

  • Endocrinology, Diabetes and Metabolism
  • Biochemistry
  • Molecular Biology
  • Nutrition and Dietetics
  • Clinical Biochemistry

Cita questo

Impact of diet-induced obesity on the mouse brain phosphoproteome. / Amato, Antonella; Di Salvo, Francesca; Filogamo, Marcello; Vasto, Sonya; Vasto, Sonya; James, Peter; Siino, Valentina; Filogamo, Marcello.

In: Default journal, Vol. 58, 2018, pag. 102-109.

Risultato della ricerca: Article

Amato, Antonella ; Di Salvo, Francesca ; Filogamo, Marcello ; Vasto, Sonya ; Vasto, Sonya ; James, Peter ; Siino, Valentina ; Filogamo, Marcello. / Impact of diet-induced obesity on the mouse brain phosphoproteome. In: Default journal. 2018 ; Vol. 58. pagg. 102-109.
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abstract = "Obesity is closely associated to several diseases such as type 2 diabetes, cardiovascular disease, hepatic steatosis, airway disease, neurodegeneration, biliarydiseases and certain cancers. It is, therefore, of importance to assess the role of nutrition in disease prevention as well as its effect in the course of suchpathologies. In the present study, we addressed the impact of the exposure to different obesogenic diets in the mice brains phosphoproteome. To analyze if theobesity could be able to modify the protein pattern expression of brain neurons, obesity was induced in two different groups of mice. One group of mice was fedwith hyperglycemic diet (HGD) and the other one was fed with high-fat diet (HFD), both for 12 weeks. A control group of lean mice was fed with a standard diet(SD). Metabolic parameters were measured before sacrifice, and brains were harvested for label-free phosphoproteomic analysis. Mice brains were analyzed tofind differences, if any, in protein phosphorylation. Interestingly, the changes were independent of the obesogenic diet as no changes were detected between thetwo obese groups. Dephosphorylation of proteins involved in neuronal development (among others SYNGAP1 and PPP1R9B), in vesicle trafficking (for exampleSNAP91 and AMPH) and in cytoskeletal functions (for example, CLASP2 and GSK3B) was identified, while increased phosphorylation was detected formicrotubule proteins (such as MAP2 and MAPT). Phospho site analysis of the mouse brain proteome reveals important changes that point to a connectionbetween diet-induced obesity and impairment of neuronal functions and signaling.",
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AU - Di Salvo, Francesca

AU - Filogamo, Marcello

AU - Vasto, Sonya

AU - Vasto, Sonya

AU - James, Peter

AU - Siino, Valentina

AU - Filogamo, Marcello

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N2 - Obesity is closely associated to several diseases such as type 2 diabetes, cardiovascular disease, hepatic steatosis, airway disease, neurodegeneration, biliarydiseases and certain cancers. It is, therefore, of importance to assess the role of nutrition in disease prevention as well as its effect in the course of suchpathologies. In the present study, we addressed the impact of the exposure to different obesogenic diets in the mice brains phosphoproteome. To analyze if theobesity could be able to modify the protein pattern expression of brain neurons, obesity was induced in two different groups of mice. One group of mice was fedwith hyperglycemic diet (HGD) and the other one was fed with high-fat diet (HFD), both for 12 weeks. A control group of lean mice was fed with a standard diet(SD). Metabolic parameters were measured before sacrifice, and brains were harvested for label-free phosphoproteomic analysis. Mice brains were analyzed tofind differences, if any, in protein phosphorylation. Interestingly, the changes were independent of the obesogenic diet as no changes were detected between thetwo obese groups. Dephosphorylation of proteins involved in neuronal development (among others SYNGAP1 and PPP1R9B), in vesicle trafficking (for exampleSNAP91 and AMPH) and in cytoskeletal functions (for example, CLASP2 and GSK3B) was identified, while increased phosphorylation was detected formicrotubule proteins (such as MAP2 and MAPT). Phospho site analysis of the mouse brain proteome reveals important changes that point to a connectionbetween diet-induced obesity and impairment of neuronal functions and signaling.

AB - Obesity is closely associated to several diseases such as type 2 diabetes, cardiovascular disease, hepatic steatosis, airway disease, neurodegeneration, biliarydiseases and certain cancers. It is, therefore, of importance to assess the role of nutrition in disease prevention as well as its effect in the course of suchpathologies. In the present study, we addressed the impact of the exposure to different obesogenic diets in the mice brains phosphoproteome. To analyze if theobesity could be able to modify the protein pattern expression of brain neurons, obesity was induced in two different groups of mice. One group of mice was fedwith hyperglycemic diet (HGD) and the other one was fed with high-fat diet (HFD), both for 12 weeks. A control group of lean mice was fed with a standard diet(SD). Metabolic parameters were measured before sacrifice, and brains were harvested for label-free phosphoproteomic analysis. Mice brains were analyzed tofind differences, if any, in protein phosphorylation. Interestingly, the changes were independent of the obesogenic diet as no changes were detected between thetwo obese groups. Dephosphorylation of proteins involved in neuronal development (among others SYNGAP1 and PPP1R9B), in vesicle trafficking (for exampleSNAP91 and AMPH) and in cytoskeletal functions (for example, CLASP2 and GSK3B) was identified, while increased phosphorylation was detected formicrotubule proteins (such as MAP2 and MAPT). Phospho site analysis of the mouse brain proteome reveals important changes that point to a connectionbetween diet-induced obesity and impairment of neuronal functions and signaling.

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