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(Reference retrieved automatically from Web of Science through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

INSULIN SIGNAL DECREASE IN MUSCLE BUT NOT IN THE LIVER OF CASTRATED MALE RATS FROM CHRONIC EXPOSURE TO FLUORIDE

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Author(s):
Chiba, Fernando Yamamoto [1] ; Colombo, Natalia Helena [1] ; Shirakashi, Daisy Jaqueline [1] ; de Souza Gomes, Wendrew Douglas [1] ; Saliba Moimaz, Suzely Adas [2] ; Saliba Garbin, Clea Adas [2] ; Silva, Cristina Antoniali [1] ; Sumida, Doris Hissako [1]
Total Authors: 8
Affiliation:
[1] Univ Estadual Paulista, Dent Sch Aracatuba, Dept Basic Sci, UNESP, BR-16015050 Aracatuba, SP - Brazil
[2] Univ Estadual Paulista, Dept Child & Social Dent, Dent Sch Aracatuba, UNESP, BR-16015050 Aracatuba, SP - Brazil
Total Affiliations: 2
Document type: Journal article
Source: FLUORIDE; v. 43, n. 1, p. 25-30, JAN-MAR 2010.
Web of Science Citations: 13
Abstract

With half the animals as controls without fluoride (F) in their drinking water, 16 of 32 seven-week-old castrated male Wistar rats were administered NaF in their drinking water and F contained in food pellets (estimated total F intake: 4.0 mg F/kg bw/day). After 42 days, determinations were made of the insulin receptor substrate (pp185-IRS-1/IRS/2), tyrosine phosphorylation status, and the extent of glycemia and insulinemia. This chronic treatment with F promoted: 1) decrease in the pp185 tyrosine phosphorylation status in the muscle tissue but not in the liver; 2) increase in the plasma F level; 3) no alteration in glycemia and insulinemia; 4) an increase in insulin resistance. (AU)