920 resultados para obesity I and II
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Thesis (doctoral)--Universitat Bern.
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Thesis (doctoral)--Universitat Leipzig.
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Thesis (doctoral)--Uppsala.
I. Uber kohlenstoffreichere Zucherarten aus l- und i-Mannose ; II. Untersuchung uber i-Mannonsaure /
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Thesis (doctoral)--K. Bayer Julius-Maximilians-Universitat Wurzburg.
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Thesis (doctoral)--Friedrich-Wilhelms-Universitat zu Berlin.
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Thesis (doctoral)--Friedrich-Wilhelms-Universitat, Berlin.
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Thesis (doctoral)--Friedrich-Wilhelms-Universitat zu Berlin.
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Thesis (doctoral)--Friedrich-Wilhelms-Universitat zu Berlin.
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Thesis (doctoral)--Friedrich-Wilhelms-Universitat zu Berlin.
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Thesis (doctoral)--Friedrich-Wilhelms-Universitat zu Berlin.
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Thesis (doctoral)--Friedrich-Wilhelms-Universitat zu Berlin.
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Thesis (doctoral)--Georg-August-Universitat, Gottingen.
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Thesis (doctoral)--K. Bayer. Ludwig-Maximilians-Universitat Munchen.
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The ability of angiotensin I (Ang I) and II (Ang II) to induce directly protein degradation in skeletal muscle has been studied in murine myotubes. Angiotensin I stimulated protein degradation with a parabolic dose-response curve and with a maximal effect between 0.05 and 0.1 μM. The effect was attenuated by coincubation with the angiotensin-converting enzyme (ACE) inhibitor imidaprilat, suggesting that angiotensin I stimulated protein degradation through conversion to Ang II. Angiotensin II also stimulated protein breakdown with a similar dose-response curve, and with a maximal effect between 1 and 2.5 μM. Total protein degradation, induced by both Ang I and Ang II, was attenuated by the proteasome inhibitors lactacystin (5 μM) and MG132 (10 μM), suggesting that the effect was mediated through upregulation of the ubiquitin-proteasome proteolytic pathway. Both Ang I and Ang II stimulated an increased proteasome 'chymotrypsin-like' enzyme activity as well as an increase in protein expression of 20S proteasome α-subunits, the 19S subunits MSSI and p42, at the same concentrations as those inducing protein degradation. The effect of Ang I was attenuated by imidaprilat, confirming that it arose from conversion to Ang II. These results suggest that Ang II stimulates protein degradation in myotubes through induction of the ubiquitin-proteasome pathway. Protein degradation induced by Ang II was inhibited by insulin-like growth factor and by the polyunsaturated fatty acid, eicosapentaenoic acid. These results suggest that Ang II has the potential to cause muscle atrophy through an increase in protein degradation. The highly lipophilic ACE inhibitor imidapril (Vitor™) (30 mg kg-1) attenuated the development of weight loss in mice bearing the MAC16 tumour, suggesting that Ang II may play a role in the development of cachexia in this model. © 2005 Cancer Research.
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Just as all types of business firms are now expected to go beyond their profit-oriented activities in boosting the well-being of the community, so, too, is corporate social responsibility (CSR) expected from foodservice firms. The significance of the obesity epidemic, combined with the foodservice industry's role in the development of this epidemic, suggests that the industry has an ethical responsibility to implement CSR activities that will help reduce obesity, particularly among children. CSR should be seen as an efficient management strategy through which a firm voluntarily integrates social and environmental concerns into its business operations and its interactions with stakeholders. Although costs are associated with CSR initiatives, benefits accrue to the firm. Decisions regarding alternative CSR activities should be based on a cost-benefit analysis and calculation of the present value of the revenue stream that can be identified as resulting from the specific CSR activities. CSR initiatives should be viewed as long-term investments that will enhance the firms’ value. Key areas for foodservice firms' CSR activities include marketing practices, particularly practices impacting advertising to children and marketing that will enhance the firms’ visibility; portion-size modification; new-product development; and consistent nutrition labeling on menus.