Apoe-KO(2)
系統名
C57BL/6Smoc-Apoeem5Smoc
SMOC番号
NM-KO-190565
維持形態
Repository Live
遺伝子の概要
Gene Symbol
Apoe
説明
病気の予測
表現型データ
Fig1. Lipid profile biochemical markers of male Apoe-KO mice and wild-type (WT) mice under chow diet (CD) conditions (n=5 ~ 10). Under CD conditions, male Apoe-KO mice exhibit elevated levels of cholesterol (CHOL), and low-density lipoprotein cholesterol (LDL-C) compared to WT mice, while high-density lipoprotein cholesterol (HDL-C) levels are decreased.
Fig2. Oil Red O staining of aortic valve in male Apoe-KO mice and wild-type (WT) mice under chow diet (CD) conditions (n=4 ~ 6). The results indicate that no lipid accumulation was observed in the aortic valves of WT mice at 7 months of age. In contrast, all Apoe-KO mice (6/6) exhibited significant lipid accumulation in the aortic valves as early as 5 months of age, with the severity of this phenotype progressively worsening with age.
Fig3. Oil Red O staining of aorta in male Apoe-KO mice and wild-type (WT) mice under chow diet (CD) conditions(n=4 ~ 6). The results indicate that at 5 months of age, WT mice exhibit no significant lesions in the aorta, while some Apoe-KO mice (4/6) show fat accumulation near the aortic arch. By 6 to 7 months of age, all Apoe-KO mice (4/4) exhibit fat accumulation, with the severity of this phenotype progressively increasing.
Fig4. Masson staining of aortic valve in Apoe-KO mice and wild-type (WT) mice under chow diet (CD) conditions (n=3). Muscle fibers appear red, while collagen fibers are stained blue. Compared to WT mice, Apoe-KO mice exhibit increased collagen content within plaques, suggesting enhanced plaque stability.
Fig5. Representative images of aortic valve. In WT mice, no significant plaque formation, necrosis, or inflammatory cell infiltration is seen. However, in Apoe-KO mice, extensive plaque formation is observed in the aortic valve, protruding into the lumen. Numerous interwoven collagen fibers are present, along with abundant infiltration of foam cells (red arrows). A small amount of cholesterol crystals (black arrows), appearing as needle-shaped voids, are visible, accompanied by minor deposits of brown pigment (green arrows). A small number of infiltrating lymphocytes (yellow arrows) are also noted. Myocardial cells display loose and irregular arrangement. The black box indicates the location of the magnified view.
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