INVESTIGATIONS INTO HYPERLIPIDEMIA AND ITS POSSIBLE ...

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101 (Eigenvalues=0.5455; P=0.00017; Figure 13). Specifically, 90% of Miniature Schnauzers could be classified as Miniature Schnauzers, and 80% of dogs of other breeds could be classified as other breeds based on their lipoprotein profiles alone. The most important lipoprotein fractions that served as predictors were the TRLs and the LDL fraction corresponding to LDL 4 and LDL 5 (Figures 11 and 12). Miniature Schnauzers had more prominent TRL peaks than dogs of other breeds, while dogs of other breeds had more prominent LDL 4 and LDL 5 peaks. Lipoprotein profiles of dogs in Group 2B (Miniature Schnauzers with hypertriglyceridemia) Figures 14A and 14B show representative lipoprotein profiles from 2 dogs in Group 2B. Similarly to dogs in Groups 1 and 2A, HDLs were abundant and LDLs were low in this group. However, dogs of this group had prominent peaks corresponding to the TRL area. Sliced inverse regression analysis was used to predict if differences in lipoprotein profiles were present between Groups 2A and 2B, and also to test whether and which lipoprotein profiles were effective in predicting which group each dog belonged to. The SIR model showed that the group to which each dog belonged (i.e., Miniature Schnauzers with serum triglyceride concentrations versus hypertriglyceridemic Miniature Schnauzers) could be accurately predicted based on their lipoprotein profiles in 95% of cases (Eigenvalues=0.7638; P=0.000002; Figure 15).
102 Figure 11: Representative lipoprotein density profile from a healthy dog of non- Miniature Schnauzer breed (Group 1). This dog had serum triglyceride and cholesterol concentrations within the respective reference intervals. The most abundant lipoprotein fraction is HDL, mainly HDL2 and HDL3, seen at a tube coordinate between 23 mm and 31 mm. LDL fractions are present in very small amounts and are seen at a tube coordinate between 9 mm and 23 mm. The fraction of TRLs seen at a tube coordinate of 6 mm to 9 mm contains mainly chylomicrons, VLDL, and chylomicron and VLDL remnants. Triglyceride-rich lipoproteins were also found in very small amounts.
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INVESTIGATIONS INTO HYPERLIPIDEMIA
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INVESTIGATIONS INTO HYPERLIPIDEMIA
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iv was found to be useful for the s
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vi ACKNOWLEDGEMENTS I would like to
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viii TABLE OF CONTENTS Page ABSTRAC
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x LIST OF FIGURES FIGURE Page 1 Cor
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xii FIGURE Page 20 1-dimensional sl
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2 the results of these initial stud
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4 and HDL 1 concentrations and a de
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6 and, in smaller concentrations, L
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8 HDL molecules can be further subd
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10 reach the vasculature, they acqu
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12 Endocrine disease Most commonly,
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14 with varying frequencies in dogs
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16 hypercholesterolemia was found o
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18 Primary hyperlipidemia with hype
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20 Atherosclerosis Although dogs ap
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22 Dietary management Typically, th
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24 therapy when the latter fails to
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26 followed from the 1970s until to
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28 this theory, zymogen granules th
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30 be quite different, especially i
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32 Drugs As in humans, drug-induced
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34 Signalment Dogs of any age, bree
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36 erroneously direct the clinician
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38 of changes over time in serum Sp
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40 they have been shown to have a l
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42 revealed either a normal pancrea
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44 At present, a definitive diagnos
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46 factors should always be investi
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48 associated pancreatitis is much
Page 63 and 64: 50 clear whether hyperlipidemia was
Page 65 and 66: 52 hepatobiliary disease in both Mi
Page 67 and 68: 54 the reference range, while Group
Page 69 and 70: 56 ROC analysis and calculation of
Page 71 and 72: 58 Figure 3. Serum cPLI concentrati
Page 73 and 74: 60 There was no significant differe
Page 75 and 76: 62 severe (typically ≥1,000 mg/dl
Page 77 and 78: 64 gastrointestinal signs or suspec
Page 79 and 80: 66 CHAPTER III SERUM TRIGLYCERIDE C
Page 81 and 82: 68 logical assumption that a defect
Page 83 and 84: 70 pancreatitis. For the same reaso
Page 85 and 86: 72 Spec cPL concentrations were mea
Page 87 and 88: 74 were significantly more likely t
Page 89 and 90: 76 Figure 5. Comparison of serum tr
Page 91 and 92: 78 Figure 7. Comparison of serum tr
Page 93: 80 pancreatitis as it cannot be pre
Page 96 and 97: 83 Although serum cholesterol conce
Page 98 and 99: 85 Footnotes a Spec cPL ® , IDEXX
Page 100 and 101: 87 several subfractions, with diffe
Page 102 and 103: 89 Miniature Schnauzers (Group 2) T
Page 104 and 105: 91 Assays Serum triglyceride (refer
Page 106 and 107: 93 Figure 8. Custom-built fluoresce
Page 108 and 109: 95 range HDL 1 has not been accurat
Page 110 and 111: 97 mg/dL) were significantly higher
Page 112 and 113: 99 Figure 10: Serum cholesterol con
Page 116 and 117: 103 Figure 12: Representative lipop
Page 118 and 119: 105 Figures 14A and 14B: Representa
Page 120 and 121: 107 Specifically, 97% of non-hypert
Page 122 and 123: 109 The fraction of TRLs was a sign
Page 124 and 125: 111 Schnauzers without hyperlipidem
Page 126 and 127: 113 Footnotes a Roche/Hitachi MODUL
Page 128 and 129: 115 The biochemical, metabolic, and
Page 130 and 131: 117 Study design Each one of the do
Page 132 and 133: 119 Questionnaires and consent form
Page 134 and 135: 121 a target intensity of 30%, and
Page 136 and 137: 123 might affect lipid metabolism (
Page 138 and 139: 125 Figure 16. Serum triglyceride c
Page 140 and 141: 127 Figure 18. Serum Spec cPL conce
Page 142 and 143: 129 Figure 19. 1-dimensional sliced
Page 144 and 145: 131 Dogs that did not respond to th
Page 146 and 147: 133 Hypertriglyceridemia has been l
Page 148 and 149: 135 degrees. One possible explanati
Page 150 and 151: 137 Footnotes a Royal Canin Gastroi
Page 152 and 153: 139 concentrations and lipoprotein
Page 154 and 155: 141 inclusion criteria for the stud
Page 156 and 157: 143 light source j , located in a d
Page 159 and 160: 146 Serum triglyceride and choleste
Page 161 and 162: 148 Figure 22. Serum triglyceride c
Page 163 and 164: 150 Figure 24. 1-dimensional sliced
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152 Discussion The purpose of the p
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154 fraction of these dogs (about 3
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156 of lipoproteins might also have
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158 Footnotes a Roche/Hitachi MODUL
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160 the etiology of pancreatitis, b
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162 times (P=0.0343) for a serum cP
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164 peaks than dogs of other breeds
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166 19.3; 95% CI, 2.0-184.0; P=0.00
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168 4) Specific lipoprotein classes
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170 REFERENCES 1949;8:96-97. 1. Lew
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172 17. Whitney MS, Boon GD, Rebar
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174 33. Ford RB. Clinical managemen
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176 50. Nelson RW, Turnwald GH, Wil
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178 66. Williams DA, Steiner JM. Ca
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180 82. Yilmaz Z, Senturk S. Charac
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182 97. Fojo SS, Stalenhoef AF, Mar
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184 111. Lam CW, Yuen YP, Cheng WF,
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186 127. Crispin SM. Ocular manifes
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188 144. Lindsay S, Entenmann C, Ch
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190 161. Steiner JM. Canine pancrea
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192 176. Steiner JM, Teague SR, Wil
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194 191. Steiner JM. Diagnosis of p
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196 208. Talukdar R, Vege S. Recent
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198 224. Koch K, Drewelow B, Liebe
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200 241. Petrov MS, van Santvoort H
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202 258. Ewald N, Hardt PD, Kloer H
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204 274. Otvos JD, Jeyarajah EJ, Be
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206 289. Carpentier YA, Scruel O. C
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