BIBLIOGRAPHY Adams, M., Reginato, M., Shao, D., Lazar, M., and Cjatterjee (1997) Transcriptional activation <strong>by</strong> peroxisome proliferators-activated receptor γ is inhibited <strong>by</strong> phosphorylation at a consensus mitogen-activated protein kinase site. J. Biol. Chem. 272: 5128-5132 Adams, S.H. (2000) Uncoupling protein homologs: emerging views of physiological function. J. Nutr. 130:711-714. Ajuwon, K.M. and Spurlock, M.E. (2005) Adiponectin inhibits LPS-induced NFκB activation and IL-6 production and increases PPARγ2 expression in adipocytes. Am. J. <strong>Ph</strong>ysiol. Regul. Integr. Comp. <strong>Ph</strong>ysiol. 288:R1220-1225 Ajuwon, K.M. and Spurlock ME (2005) Palmitate activates the NFκB transcription factor and induces IL-6 and TNFα expression in 3T3-L1 adipocytes. J. Nutr. 135: 1841-1846 Akira, S. (1997) IL-6-regulated transcription factors. Int. J. Biochem. Cell Biol. 29:1401–1418 Bailey, S.T., Ghosh, S. (2005) 'PPAR'ting ways with inflammation. Nat. Immunol. 6:966- 967 Bassaganya-Riera, J., Hontecillas, R. and Beitz D. (2002) Chronic anti-inflammatory mechanism of conjugated linoleic acid. Clin. Nutr. 21:451-459 Basu, S., Riserus, U., Trupein, A, and Vess<strong>by</strong>, B. (2000a) <strong>Conjugated</strong> linoleic acid induces lipid peroxidation in men with abdominal obesity. Clin. Sci. 99:511-516 Basu, S., Smedman, A., and vess<strong>by</strong> B. (2000b) <strong>Conjugated</strong> linoleic acid induces lipid peroxidation in humans. FEBS Lett. 468:33-36. Belury, M. (2002) Inhibition of carcinogenesis <strong>by</strong> conjugated linoleic acid: potential mechanisms of action. J. Nutr.132: 2995-2998. 133
Berg, A.H., Lin, Y., Lisanti, M.P., and Scherer, P.E. (2004) Adipocyte differentiation induces dynamic changes in NFκB expression and activity. Am. J. <strong>Ph</strong>ysiol. Endocrinol. Metab. 287:E1178-E1188 Blankson, H., Stakkestad J., Fagertun, H., Thom, E., Wadstein, J., and Gudmundsen, O. (2000) <strong>Conjugated</strong> linoleic acid reduces body fat mass in overweight and obese humans. J. Nutr. 130: 2943-8. Bouwmeester, T., Bauch, A., Ruffner, H., Angrand, P.O., Bergamini, G., Croughton, K., Cruciat, C., Eberhard, D., Gagneur, J., Ghidelli, S., Hopf, C., Huhse, B,, Mangano, R., Michon, A.M., Schirle, M., Schlegl, J., Schwab, M., Stein, M.A., Bauer, A., Casari, G., Drewes, G., Gavin, A.C., Jackson, D.B., Joberty, G., Neubauer, G., Rick, J., Kuster, B., and Superti-Furga, G. (2004) A physical and functional map of the human TNFalpha/NF-kappa B signal transduction pathway. Nat. Cell Biol. 6:97-105 Brasaemle, D., Rubin, B., Harten, I. and Gruia-Guy, J. (2000a) Perilipin A increase triacylglycerol storage <strong>by</strong> decreasing the rate of triacylglycerol hydrolysis. J. Biol. Chem. 275: 38486-93. Brasaemle, D., Levin, D., Adler-Wailes, D., and Londos, C. (2000b) The lipolytic stimulation of 3T3-L1 adipocytes promotes the translocation of cytosolic hormone sensitive lipase to the surface of lipid storage droplets. Biochem. Biophys. Acta. 1483: 251-262. Brasaemle, D., Barber, T., Wolins, N., Serrero, G., Blanchette-Mackie, E., and Londos C. (1997) Adipose differentiation-related protein is an ubiquitously expressed lipid storage droplet-associated protein. J. Lipid Res. 38: 2249-62. Brown, J.M., Halvorsen, Y.D., Lea-Currie, R., Geigerman, C. and McIntosh, M.K. (2001) Trans-10, cis-12, but not cis-9, trans-11 conjugated linoleic acid attenuates lipogenesis in primary cultures of stromal vascular cells isolated from human adipose tissue. J. Nutr. 131: 2316-2321. Brown, J.M., Boysen, M.S., Jensen, S.S., Morrison, R.F., Storkson, J., Lea-Curre, R., Pariza, M., Mandrup, S., and McIntosh, M.K. (2003) Isomer-specific regulation of metabolism and PPARgamma signaling <strong>by</strong> CLA in human preadipocytes. J. Lipid Res. 44:1287-300. Brown, J.M. and McIntosh, M.K. (2003) <strong>Conjugated</strong> linoleic acid in humans: Regulation of adiposity and insulin sensitivity. J. Nutr. 133:3041-3046 134
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CHUNG, SOONKYU, Ph. D. Mechanisms b
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MECHANISMS BY WHICH CONJUGATED LINO
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APPROVAL PAGE This Dissertation has
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I also would like to thank The Univ
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IV. PREADIPOCYTES MEDIATE LPS-INDUC
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LIST OF FIGURES ix Page Figure 1.1.
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Figure 4.7. LPS-induced NFκB activ
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in animals and some humans (reviewe
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CLA is potentially effective in: 1)
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Anti-adipogenic Mechanisms of CLA T
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2005). Chapter II of this dissertat
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Figure 1. 2. Multiple mechanisms by
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In contrast, studies conducted in a
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activation. Similarly, Chen et al.
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Central Hypothesis and Specific Obj
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CHAPTER II TRANS-10, CIS-12 CLA INC
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of MEK/ERK signaling by trans-10, c
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Materials and Methods Materials All
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the cultures for additional 12 h. A
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precipitated with ethanol, dried, a
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or for 30 min with 10 µM isoproter
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either 30 µM cis-9, trans-11 CLA o
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dependent effects of CLA on the pho
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Rapamycin Blocks CLA’s Increase i
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Figure 2. 2. Trans-10, cis-12 CLA a
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Figure 2. 4. Trans-10, cis-12 CLA a
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Figure 2. 6. Trans-10, cis-12 CLA i
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Figure 2. 8. Trans-10, cis-12 CLA-i
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Discussion Feeding mixed CLA isomer
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in lipolysis may occur via an ERK-d
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espectively, by the MEK inhibitor U
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Furthermore, the CLA-mediated incre
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proteins. Inhibition of NFκB activ
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Sopasakis et al. 2004) and insulin
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antibodies for anti-glyceraldehydre
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pM of human insulin in the presence
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were (accession #NM000600) sense (5
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Transfection efficiency was examine
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treatment (Brown et al. 2004), we d
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myotubes (Sinha et al. 2004; Weiger
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controls was found in cytosol (Fig
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Depletion of NFκB p65 by RNAi Atte
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eports of cytokine-mediated insulin
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Figure 3. 2. Trans-10, cis-12 CLA i
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Figure 3. 4. Trans-10, cis-12 CLA a
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Figure 3. 6. Trans-10, cis-12 CLA-i
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Figure 3. 8. Specific depletion of
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