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Pro-Angiogenesis Therapy And Aging: A Mini-Review, Charles T. Ambrose Aug 2017

Pro-Angiogenesis Therapy And Aging: A Mini-Review, Charles T. Ambrose

Microbiology, Immunology, and Molecular Genetics Faculty Publications

Apart from major illnesses and chronic afflictions, the elderly experience lesser ailments, such as muscle weakness, cold intolerance, and transient memory lapses. Physical signs in the aged include wrinkled skin and the slow healing of skin abrasions. These ailments and signs are grouped together because they may be due in part to an age-linked, waning microcirculation. A reduced capillary density (CD) throughout the body of aged people and animals has been reported in over 40 papers. The reduced CD is due in turn to declining levels of angiogenic growth factors (AGFs) throughout the body during old age, as documented in …


Capillaries, Old Age And Alzheimer’S Disease, Charles T. Ambrose Mar 2017

Capillaries, Old Age And Alzheimer’S Disease, Charles T. Ambrose

Microbiology, Immunology, and Molecular Genetics Faculty Publications

Many of the minor complaints of old age may have a common etiology and are grouped together here under the term ‘the lesser ailments of aging’ (LAA). This essay proposes that they are due in large part to an age-linked reduced microcirculation. Capillary density (CD) in the tissues is determined by levels of angiogenic growth factors (AGFs). Over 47 studies have reported a reduced CD and/or waning AGFs throughout the bodies of aging animals and people. More convincing than such a generalization are the 80 sets of data comparing these two parameters in adult vs. the aged. These data have …