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Investigation of the role of non carboxilated osteocalcin in pancreatic beta cells function in healthy, type 1 Diabetes mellitus and obese adolescents

Grant number: 13/04454-6
Support type:Regular Research Grants
Duration: December 01, 2013 - November 30, 2015
Field of knowledge:Health Sciences - Medicine
Principal researcher:Bruno Geloneze Neto
Grantee:Bruno Geloneze Neto
Home Institution: Faculdade de Ciências Médicas (FCM). Universidade Estadual de Campinas (UNICAMP). Campinas , SP, Brazil
Assoc. researchers:Bruno Geloneze Neto


Osteocalcin is a protein with a well defined function in bone tissue. Recently it was demonstrated that the circulated non carboxilated form may function as a hormone, having a positive influence in insulin production from the pancreatic beta cells and its sensitivity in peripheral tissues, and also an increase in adiponectin secretion. Thus, we hypothesized that by its association with energetic metabolism, osteocalcin is associated with insulin sensitivity acting in Metabolic Syndrome and it is altered in type 1 diabetes mellitus (DM1) and obese patients. The objective of this project is to evaluate the role of non carboxilated osteocalcin in healthy, DM1 and obese patients. Three groups of post-pubertal adolescents will be enrolled: a group of 20 individuals with DM1, 40 individuals with obesity and 40 healthy individuals. Physical, anthropometric, body composition and biochemical evaluations will be performed in all individuals and hyperglycemic clamp will be performed in a sample from the healthy control and obese group. Association and correlation among non carboxilated osteocalcin measurements, serum adiponectin and degree of beta cell function in different groups with anthropometric and body composition evaluation will be investigated. This work will contribute to the understanding of osteocalcin secretion pattern in normal and pathologic estates and its relation with the energetic metabolism. (AU)

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Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
NETO, Bruno Geloneze. The role of undercarboxylated osteocalcin in adolescent energy metabolism. 2018. Master's Dissertation.

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