| Type | MGI:General | Description | at 36 to 44 months of age, mice exhibit fewer atherosclerotic lesions and atheromatous plaques compared to in Apoetm1Unc homozygotes and do not exhibit an age-related increase in lesion number, athlerosclerotic microaneurysms or periaortic vascular channels that are evident in Apoetm1Unc homozygotes |