CHUNG, SOONKYU, Ph. D. Mechanisms by Which Conjugated ...

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Figure 4.1. Primary cultures of newly differentiated human adipocytes are composed of adipocytes and preadipocytes. Stromal vascular (SV) cells were isolated from human subcutaneous adipose tissue. Confluent SV cells were either induced to differentiation (+DM1) or kept in adipocyte medium (-DM1) for 12 days. A: Morphological changes observed using phase contrast microscopy (10X), B: Gene expression of preadipocyte factor-1 (Pref-1) and adipocyte specific fatty acid binding protein (aP2) using RT-PCR, C: Immunolocalization of Pref-1(green) and aP2 (red), and D: Protein expression of peroxisome proliferator activated receptor gamma (PPARγ), aP2, Pref-1, and actin using western blotting. Data shown in all panels are representative of three or four independent experiments. 109
Figure 4.2. Primary cultures of newly differentiated human adipocytes do not express markers of macrophages or myocytes. A: Differentiated cultures of human adipocytes (+DM1) were immunostained with the macrophage-specific markers CD68 or Mac-1. Differentiated U937 cells (human macrophage cell line) were used as positive controls, B: Gene expression profile of CD68 from RNA from our differentiated cultures (+DM1) compared to RNA from freshly isolated, floating human adipocytes (Floater AD), differentiated human U937 cells (U937), human muscle, and human primary hepatocytes <strong>by</strong> real time qPCR, C: Gene expression profile of the muscle marker MyoD in our differentiated cultures (+DM1) were compared to RNA from the cultures or tissues described in Panel B. Data shown in all panels are representative of at least two independent experiments. 110
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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
Page 71 and 72: pM of human insulin in the presence
Page 73 and 74: were (accession #NM000600) sense (5
Page 75 and 76: Transfection efficiency was examine
Page 77 and 78: treatment (Brown et al. 2004), we d
Page 79 and 80: myotubes (Sinha et al. 2004; Weiger
Page 81 and 82: controls was found in cytosol (Fig
Page 83 and 84: Depletion of NFκB p65 by RNAi Atte
Page 85 and 86: eports of cytokine-mediated insulin
Page 87 and 88: Figure 3. 2. Trans-10, cis-12 CLA i
Page 89 and 90: Figure 3. 4. Trans-10, cis-12 CLA a
Page 91 and 92: Figure 3. 6. Trans-10, cis-12 CLA-i
Page 93 and 94: Figure 3. 8. Specific depletion of
Page 95 and 96: Figure 3. 10. Working model: Trans-
Page 97 and 98: Based on our working model (Fig 3.1
Page 99 and 100: mRNA levels of TNF-α (Fig. 3). How
Page 101 and 102: humans (Riserus et al. 2004a), and
Page 103 and 104: most likely not impairing the diffe
Page 105 and 106: 1) decreased adipogenic gene expres
Page 107 and 108: adipocytes from WAT in inflammation
Page 109 and 110: differentiation, cultures of SV cel
Page 111 and 112: Immunoblotting and 4MUrea-SDS-PAGE
Page 113 and 114: activity was measured using the Dua
Page 115 and 116: macrophages and myocytes, respectiv
Page 117 and 118: cultures, insulin’s stimulation o
Page 119 and 120: AD90 cultures treated with LPS. Con
Page 121: Table 4.1. List of human-gene speci
Page 125 and 126: Figure 4.4 LPS induction of cytokin
Page 127 and 128: Figure 4. 6. LPS suppresses PPARγ
Page 129 and 130: Figure 4. 8. Inhibitors of NFκB at
Page 131 and 132: Discussion Adipose tissue is a sour
Page 133 and 134: To determine if non-adipocytes othe
Page 135 and 136: attenuation of insulin sensitivity
Page 137 and 138: epression of NFκB target gene expr
Page 139 and 140: EPILOGUE The “Obesity epidemic’
Page 141 and 142: Apart from our initial goal for thi
Page 143 and 144: Concerning membrane specific recept
Page 145 and 146: esearch topic I would like to exami
Page 147 and 148: Berg, A.H., Lin, Y., Lisanti, M.P.,
Page 149 and 150: Chen, C., Koh, A.J., Datta, N.S., Z
Page 151 and 152: Diradourian, C., Girard, J., and Pe
Page 153 and 154: Granlund, L., Juvet, L.K., Pedersen
Page 155 and 156: Imamura, M., Inoguchi, T., Ikuyama,
Page 157 and 158: Loscher, C.E., Draper, E., Leavy, O
Page 159 and 160: Piper, R.C., Hess, L.J., and James,
Page 161 and 162: Sinha, S., Perdomo, G., Brown, N.F.
Page 163 and 164: Vanden Berghe, W., Vermeulen, L., D
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