The angiogenic inhibitor TNP-470 decreases caloric intake and weight gain in high-fat fed mice

Heather M. White, Anthony J. Acton, Robert Considine

Research output: Contribution to journalArticle

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Abstract

The angiogenic inhibitor TNP-470 attenuates high-fat diet-induced obesity; however, it is not clear how the compound alters energy balance to prevent weight gain. Five-week-old C57BL/6J mice were fed high-fat diet (45% energy from fat) for 6.5 weeks and treated with TNP-470 (20 mg/kg body weight; n = 7) or vehicle (saline; n = 7). Control mice (n = 8) received standard chow and sham injection. TNP-470 mice initially gained weight, but by day 5 body weight was significantly less than high-fat fed (HFF) mice and not different from that of chow-fed mice, an effect maintained to the end of the study (28.6 ± 0.6 vs. 22.4 ± 0.6 and 22.2 ± 0.5 g). Percent body fat was reduced in TNP-470 compared to HFF mice, but was greater than that of chow mice (34.0 ± 1.5, 23.9 ± 1.5, and 17.0 ± 1.4%, P < 0.05). Food intake in TNP-470-treated mice was less (P < 0.05) than that in HFF mice by day 5 of treatment (2.5 ± 0.1 vs. 2.8 ± 0.1 g/mouse/day) and remained so to the end of the study. Twenty-four hours energy expenditure was greater (P < 0.05) in TNP-470 than HFF or chow mice (7.05 ± 0.07 vs. 6.69 ± 0.08 vs. 6.79 ± 0.09 kcal/kg/h), an effect not explained by a difference in energy expended in locomotion. Despite normalization of body weight, TNP-470 mice exhibited impaired glucose tolerance (area under the curve 30,556 ± 1,918 and 29,290 ± 1,584 vs. 24,421 ± 903 for TNP, HFF, and chow fed, P < 0.05). In summary, the angiogenic inhibitor TNP-470 attenuates weight gain in HFF mice via a reduction in caloric intake and an increase in energy expenditure.

Original languageEnglish
Pages (from-to)2003-2009
Number of pages7
JournalObesity
Volume20
Issue number10
DOIs
StatePublished - Oct 2012

Fingerprint

Angiogenesis Inhibitors
Energy Intake
Weight Gain
Fats
Body Weight
High Fat Diet
Energy Metabolism
O-(chloroacetylcarbamoyl)fumagillol
Glucose Intolerance
Locomotion
Inbred C57BL Mouse
Area Under Curve
Adipose Tissue
Obesity
Eating

ASJC Scopus subject areas

  • Endocrinology
  • Medicine (miscellaneous)
  • Endocrinology, Diabetes and Metabolism
  • Nutrition and Dietetics

Cite this

The angiogenic inhibitor TNP-470 decreases caloric intake and weight gain in high-fat fed mice. / White, Heather M.; Acton, Anthony J.; Considine, Robert.

In: Obesity, Vol. 20, No. 10, 10.2012, p. 2003-2009.

Research output: Contribution to journalArticle

White, Heather M. ; Acton, Anthony J. ; Considine, Robert. / The angiogenic inhibitor TNP-470 decreases caloric intake and weight gain in high-fat fed mice. In: Obesity. 2012 ; Vol. 20, No. 10. pp. 2003-2009.
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abstract = "The angiogenic inhibitor TNP-470 attenuates high-fat diet-induced obesity; however, it is not clear how the compound alters energy balance to prevent weight gain. Five-week-old C57BL/6J mice were fed high-fat diet (45{\%} energy from fat) for 6.5 weeks and treated with TNP-470 (20 mg/kg body weight; n = 7) or vehicle (saline; n = 7). Control mice (n = 8) received standard chow and sham injection. TNP-470 mice initially gained weight, but by day 5 body weight was significantly less than high-fat fed (HFF) mice and not different from that of chow-fed mice, an effect maintained to the end of the study (28.6 ± 0.6 vs. 22.4 ± 0.6 and 22.2 ± 0.5 g). Percent body fat was reduced in TNP-470 compared to HFF mice, but was greater than that of chow mice (34.0 ± 1.5, 23.9 ± 1.5, and 17.0 ± 1.4{\%}, P < 0.05). Food intake in TNP-470-treated mice was less (P < 0.05) than that in HFF mice by day 5 of treatment (2.5 ± 0.1 vs. 2.8 ± 0.1 g/mouse/day) and remained so to the end of the study. Twenty-four hours energy expenditure was greater (P < 0.05) in TNP-470 than HFF or chow mice (7.05 ± 0.07 vs. 6.69 ± 0.08 vs. 6.79 ± 0.09 kcal/kg/h), an effect not explained by a difference in energy expended in locomotion. Despite normalization of body weight, TNP-470 mice exhibited impaired glucose tolerance (area under the curve 30,556 ± 1,918 and 29,290 ± 1,584 vs. 24,421 ± 903 for TNP, HFF, and chow fed, P < 0.05). In summary, the angiogenic inhibitor TNP-470 attenuates weight gain in HFF mice via a reduction in caloric intake and an increase in energy expenditure.",
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