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1、Lipoprotein Lipase (LPL) Deficiency Increases Plasma Lipid Level and Enhances Neointima Formation After Carotid Artery Injury in apoE Knock-out Mice Candidate genes in lipoprotein metabolismLusis et al Circulation. 2004Lipoprotein Lipase in the Arterial WallPentikinen et al Arterioscler Thromb Vasc
2、Biol. 2002Lipoprotein Lipase in the Arterial WallPentikinen et al Arterioscler Thromb Vasc Biol. 2002HypothesisLPL Arterial response to injuryhyperlipidemic conditions？A 1x2-mm strip of filter paper saturated with 10% FeCl3 solution was applied to the adventitial surface of the surgically exposed ca
3、rotid artery for 3.0 minutes, then removed. The surgical incision was sutured with 40 monofilament, and the animal was returned to its cage.Common carotid arteries of apoE-/-, LPL+/- (ELK)mice (A) and apoE-/-, LPL+/+ (EK)mice (B) 8 weeks after ferric chloride injuryneointima formation after carotid
4、artery injury by FeCl3 for 8 weeksELKcarotid artery stained with H&EEKnoninjuredinjuredneointima formation after carotid artery injury by FeCl3 for 8 weekscarotid artery stained with H&E ELKEKnoninjuredinjuredMean Intimal and Medial Cross-sectional Areas of EK and ELK Mice 8 Weeks after InjuryEKELK*
5、EKELKmedia2.95x10420005.98x1041000intimal4.01x10460008.15x1042000lipid deposit after carotid artery injury by FeCl3 for 8 weeksELKEKcontrol carotid artery stained with OROnoninjuredinjuredlipid deposit after carotid artery injury by FeCl3 for 8 weeksELKEKcarotid artery stained with OROnoninjuredinju
6、redlipid deposit after carotid artery injury by FeCl3 for 8 weeksELKEKcarotid artery counterstained with ORO and haematoxylininjurednoninjuredlipid deposit after carotid artery injury by FeCl3 for 8 weeksELKEKcarotid artery counterstained with ORO and haematoxylinnoninjuredinjuredMacrophage stain fo
7、r 8 weeksELKEKELKEKVon Willebrand Factor Stain for 8 weeks0 week4 weeks8 weeksELK（n=4）61.5211.09113.95.98270.1724.29EK（n=3）53.9618.1761.613.1485.079.40P value0.760.00150.0016*NS0 week4 weeks8 weeksELK(n=4)395.534.89718.740.52939.3246.67EK（n=3）239.659.77530.759.52686.0856.66P value0.0970.040.018NS* *
8、 *0 week4 weeks8 weeksELK(n=4)118.37.9164.546.10109.74.46EK(n=3)85.1917.7461.613.14109.532.90P value0.190.680.980 week4 weeks8 weeksELK17.750.7821.381.4521.752.18EK19.750.8822.630.7524.670.60P value0.140.470.32NSNSNSEKELKneointima formation after carotid artery injury by FeCl3 for 4 weekscarotid art
9、ery stained with H&E lipid deposit after carotid artery injury by FeCl3 for 4 weeksELKEKcarotid artery counterstained with ORO and haematoxylinReferenceMary Beth DeYoung, Clifford Tom, David A. Dichek, et al Plasminogen Activator Inhibitor Type 1 Increases Neointima Formation in Balloon-Injured Rat
10、Carotid Arteries. Circulation. 2001;104:1972-1977Koichi Kaikita, Agnes B. Fogo, Lijun Ma, John A. Schoenhard, Nancy J. Brown, Douglas E. Vaughan, et al Plasminogen Activator Inhibitor-1 Deficiency Prevents Hypertension and Vascular Fibrosis in Response to Long-term Nitric Oxide Synthase Inhibition.
11、Circulation. 2001;104:839-844Yanhong Zhu, Peter M. Farrehi, William P. Fay, et al Plasminogen Activator Inhibitor Type 1 Enhances Neointima Formation After Oxidative Vascular Injury in Atherosclerosis-Prone Mice. Circulation. 2001;103:3105-3110Marianne Pynn, Katrin Schfer, Stavros Konstantinides, Martin Halle, et al Exercise Training Reduces Neointimal Growth and Stabilizes Vascular Lesions Developing After Injury in Apolipoprotein EDeficient Mice Circulation. 2004;109:386-392Future WorksPAI-1LPLNeointima formation？Other Pathways？Thank You！
