Effects of glucose and fructose loading on glycogenesis in chicks infected with avian tuberculosis.

The chick was used as a rapid metabolic model to determine the fate of ingested fructose vs. glucose in noninfected chicks and in those subjected to the stress of avian tuberculosis. The chicks were crop-loaded with either a 72% fructose or glucose solution 21 and 28 days post TB inoculation and killed 2 and 4 hr after loading. In noninfected chicks, both sugars were rapidly converted to glycogen, and there was an interaction with time and the amount of glycogen formed from each sugar. Infection depressed glycogen formation from both fructose and glucose. While the total amount of glycogen formed from glucose could be directly correlated to increased liver size in the TB chicks loaded with glucose, in the chicks loaded with fructose less glycogen was formed even though liver size was increased as a result of the TB infection. The depression in glycogen formation was not related to the severity of the infection since the TB involvement was not the same in the two experiments conducted; but in both cases chicks loaded with fructose showed a greater reduction in the capacity of the liver to synthesize glycogen.
AuthorsM Chaudhuri, R L Squibb, M Solotorovsky
JournalPoultry science (Poult Sci) Vol. 59 Issue 8 Pg. 1736-41 (Aug 1980) ISSN: 0032-5791 [Print] UNITED STATES
PMID7413580 (Publication Type: Journal Article)
Chemical References
  • Liver Glycogen
  • Fructose
  • Glucose
  • Animals
  • Chickens (metabolism)
  • Fructose (metabolism)
  • Glucose (metabolism)
  • Liver Glycogen (biosynthesis, metabolism)
  • Male
  • Poultry Diseases (metabolism)
  • Tuberculosis, Avian (metabolism)

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