Seasonal changes in plasma nitrogenous compounds of the European brown bear (Ursus arctos arctos)

Annales Zoologici Fennici

Volumn 35, Issue 4, 1998, Pages 205-213

  Hissa, Raimo ^a   Puukka, Matti ^b   Hohtola, Esa ^a   Sassi, Mirja Liisa ^a   Risteli, Juha ^a  

^a UNIVERSITY OF OULU   (Finland)

^b OULU UNIVERSITY HOSPITAL   (Finland)

Author keywords

[No Author keywords available]

Indexed keywords

URSUS; URSUS ARCTOS; URSUS ARCTOS ARCTOS;

EID: 0032442080     PISSN: 0003455X     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (36)

1. Ahlquist, D. A., Nelson, R. A., Steiger, D. L., Jones, J. D. & Ellefson, R. D. 1984: Glycerol metabolism in the hibernating black bear. - J. Comp. Physiol. B155:75-79.
2. Al-Badry, K. S. & Taha, H. M. 1983: Hibernation - hypothermia and metabolism in hedgehogs. Changes in some organic components. - Comp. Biochem. Physiol. 74A: 143-148.
3. Brown, D. C., Mulhausen, R. O., Andrew, D. J. & Seal, U. S. 1971: Renal function in anesthetized dormant and active bears. - Am. J. Physiol. 220: 293-298.
4. Burtis, C. A. & Ashwood, E. R. 1994: Clinical Chemistry. - W. B. Saunders Co. Philadelphia.
5. Egan, A. R., Boda, K. & Varady, J. 1986: Regulation of nitrogen metabolism and recycling. - In: Miligan, L. P., Grovum, W. L. & Dobson, A. (eds.), Control of digestion and metabolism in ruminants: 386-402. Englewood Cliffs, Nj: Prentice-Hall.
6. Ensrud, E. R., Nelson, R. A., Alt, G., Beck, T., Matula, G. & Rogers, L. 1986: Seasonal variations in the ratio of serum urea to creatinine (U/C) in black bears. - Physiologist 29: 116.
7. Felig, P., Owen, O. E., Wahren, J. & Cahill, G. F. Jr. 1969: Amino acid metabolism in pronlonged starvation. - J. Clin. Invest. 48: 584-594.
8. Franzmann, A. W. & Schwartz, C. C. 1988: Evaluation condition of Alaskan black bears with blood profiles. - J. Wildl. Manage. 52: 63-70.
9. Halloran, D. W. & Pearson, A. M. 1972: Blood chemistry of the brown bear (Ursus arctos) from southwestern Yokon Territory, Canada. - Can. J. Zool. 50: 827-833.
10. Harlow, H. J. 1987: Urea-hydrolysis in euthermic hibernators and non-hibernators during periods of food availability and deprivation. - J. Thermal Biol. 12: 149-154.
11. Haverberg, L. N., Deckelbaum, L., Bilmazes, C., Munro, H. N. & Young, V. R. 1975: Myofibrillarprotein turnover and urinary N-methylhistidine output. - Biochem. J. 152: 503-510.
12. Hilton, F. K., Bhatnagar, K. P., Hilton, M. A., Newkirk, M. W. & Montgomery, W. D. 1990: Taurine concentrations in hearts of big brown bats (Eptesicus fuscus) during hibernation, arousal and normothermic behavior. -Comp. Biochem. Physiol. 96A: 431-433.
13. Hissa, R. 1997: Physiology of the European brown bear (Ursus arctos arctos). - Ann. Zool. Fennici 34: 267-287.
14. Hissa, R., Siekkinen, J., Hohtola, E., Saarela, S., Hakala, A. & Pudas, J. 1994: Seasonal patterns in the physiology of the European brown bear (Ursus arctos arctos) in Finland. - Comp. Biochem. Physiol. 109A: 781-791.
15. Jacobsen, J. G. & Smith, L. H. 1968: Biochemistry and physiology of taurine and taurine derivatives. - Physiol. Rev. 48: 424-511.
16. Koebel, D. A., Miers, P. G., Nelson, R. A. & Steffen, J. M. 1991: Biochemical changes in skeletal muscles of denning bears (Ursus americanus). - Comp. Biochem. Physiol. 100B: 377-380.
17. Kristofferson, R. 1963: Urea levels in blood and tissues of hibernating and non hibernating hedgehogs. - Nature 197: 402-403.
18. Kristofferson, R. & Broberg, S. 1968: Free amino acids in blood stream of hedgehogs in deep hypothermia and after spontaneous arousals. - Experientia 24: 148-150.
19. Lundberg, D. A., Nelson, R. A., Wahner, H. W. & Jones, J. D. 1976: Protein metabolism in the black bear before and during hibernation. - Mayo Clin. Proc. 51: 716-722.
20. Mason, V. C. 1984: Metabolism of nitrogenous compounds in the large gut. - Proc. Nutr. Soc. 43:45-53.
21. Meredith, M., Layman, D. H., Baker, D. H. & Nelson, R. A. 1988: Threonine metabolism in black bears. - Faseb J. Abstract 2: 7166.
22. Munro, H. N. 1970: Mammalian protein metabolism,Vol. 4: 299-386. Academic Press.
23. Nelson, R. A. 1980: Protein and fat metabolism in hibernating bears. - Fed. Proceed. 39: 2955-2958.
24. Nelson, R. A. 1987: Black bears and polar bears - still metabolic marvels. - Mayo Clin. Proc. 62: 850-853.
25. Nelson, R. A. 1989: Nitrogen turnover and its conservation in hibernation. - In: Malan, A. & Canguilhem, B. (eds.), Living in the cold: 299-307. John Libbey, Eurotext Ltd.
26. Nelson, R. A. & Jones, J. D. 1987: Leucine metabolism in the black bear. - Int. Conf. Res. Manage. 7:329-331.
27. Nelson, R. A., Beck, T. D. I. & Steiger, D. L. 1984: Ratio of serum urea to serum creatinine in wild black bears. - Science 226: 841-842.
28. Nelson, R. A., Wahner, H.W., Jones, J. D., Ellefson, R. D. & Zollman, P. E. 1973: Metabolism of bears before, during, and after winter sleep. - Am. J. Physiol. 224: 491-496.
29. Nelson, R. A., Jones, J. D., Wahner, H. W., McGill, D. B. & Code, C. F. 1975: Nitrogen metabolism in bears: urea metabolism in summer starvation and in winter sleep and role of urinary bladder in water and nitrogen conservation. - Mayo Clin. Proc. 50: 141-146.
30. Pengelley, E. T., Asmundson, S. J. & Uhlman, C. 1971: Homeostasis during hibernation in the golden-mantled ground squirrel Citellus lateralis. - Comp. Biochem. Physiol. 38A: 645-653.
31. Ramsay, M. A., Nelson, R. A. & Stirling, I. 1991: Seasonal changes in the ratio of serum urea to creatinine in feeding and fasting polar bears. - Can. J. Zool. 69: 298-302.
32. Regdeczi, E., Irons, L., Koj, A. & McFarlane, A. S. 1965: Isotopic studies of urea metabolism in rabbits. - Biochem. J. 95: 521-527.
33. Risteli, J., Elomaa, I., Niemi, S., Novamo, A. & Risteli, L. 1993: Radioimmunoassay for the pyridinoline cross-linked carboxy-terminal telopeptide of type I collagen: A new serum marker of bone collagen degradation. - Clin. Chem. 39: 635-640.
34. Searcy, R. L. 1969: Diagnostic Biochemistry. - McGraw Hill Book Co., New York.
35. Steffen, J. M., Rigler, G. L., Moore, A. K. & Riedesel, M. L. 1980: Urea recycling in active golden-mantled ground squirrels, Spermophilus lateralis. - Am. J. Physiol. 8: R168-R173.
36. Wolfe, R. R., Nelson, R. A., Wolfe, M. H. & Rogers, L. 1982: Nitrogen cycling in hibernating bears. - Proc. Soc. Mass Spectrom. 30: 426.