Abstract: Abstract: There is a definite sequence in which body proteins are lost during starvation in order to preserve the blood glucose concentration. The late phase of starvation is characterized by increased muscle loss, an increased BUN, and an increase in hepatic and renal gluconeogenesis. Muscle tissues prefer to oxidize the BCAAs during the late phases of starvation. The brain oxidizes both glucose and branched-chain amino acids during the late phase of starvation. Intestinal mucosal cells prefer to oxidize Gln during periods of repair, and during starvation. Catabolic processes (e.g., proteolysis, lipolysis, and glycogenolysis) are generally exacerbated in cachexic animals. Death from starvation can result from azotemia, pneumonia, or hypovolemic shock. The hibernating black bear appears to remain in near perfect water and nitrogen balance, with only a modest fall in body temperature.
Publication Year: 2014
Publication Date: 2014-10-10
Language: en
Type: book-chapter
Indexed In: ['crossref']
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