Aging, physical activity, insulin-like growth factor I, and body composition in Guatemalan women

American Journal of Clinical Nutrition

Volumn 66, Issue 4, 1997, Pages 874-879

  Porch, Juliet V ^b   Jain, Kamala ^b   Reilly, Andrea ^b   Valdez, Carlos ^b   Mazariegos, Manolo ^b   Ziegler, Thomas R ^b   Solomons, Noel ^b   Smith, Robert J ^a  

^a JOSLIN DIABETES CENTER   (United States)

^b NONE

Author keywords

Aging; Bioelectrical impedance analysis; Body composition; Elderly; Growth hormone; Guatemala; Insulin like growth factor I; Physical activity

Indexed keywords

SOMATOMEDIN C;

ADULT; AGED; ARTICLE; BODY COMPOSITION; BODY FAT; FEMALE; GUATEMALA; HUMAN; HUMAN EXPERIMENT; LEAN BODY WEIGHT; NORMAL HUMAN; PHYSICAL ACTIVITY; QUESTIONNAIRE;

EID: 0030763367     PISSN: 00029165     EISSN: None     Source Type: Journal    
DOI: 10.1093/ajcn/66.4.874     Document Type: Article

References (44)

1. Forbes GB. The adult decline in lean body mass. Hum Biol 1976;48:161-73.
2. Rudman D. Growth hormone, body composition and aging. J Am Geriatr Soc 1985;33:800-7.
3. Dudl RJ, Ensinck JW, Palmer HE, Williams RH. Effect of age on growth hormone secretion in man. J Clin Endocrinol Metab 1973;37:11-6.
4. Zadik Z, Chalew SA, McCarter RJ, Meistas M, Kowarski AA. The influence of age on the 24-h integrated concentration of growth hormone in normal individuals. J Clin Endocrinol Metab 1985;60:513-6.
5. Rudman D, Feller AG, Cohn L, et al. Effects of human growth hormone on body composition in elderly men. Horm Res 1991; 36(suppl 1):73-81.
6. Ho KY, Evans WS, Blizzard RM, et al. Effects of sex and age on the 24-h profile of growth hormone secretion in man: importance of endogenous concentrations. J Clin Endocrinol Metab 1987;64:51-8.
7. Rudman D, Feller AG, Nagraj HS, et al. Effects of human growth hormone in men over 60 years old. N Engl J Med 1990;323:1-6.
8. Marcus R, Butterfield G, Holloway L, et al. Effects of short-term administration of recombinant human growth hormone to elderly people. J Clin Endocrinol Metab 1990;70:519-27.
9. Holloway L, Butterfield G, Hintz RL, Gesundheit N, Marcus R. Effects of recombinant human growth hormone on metabolic indices, body composition, and bone turnover in health elderly women. J Clin Endocrinol Metab 1994;79:470-9.
10. Borst SE, Millard WJ, Lowenthal DT. Growth hormone, exercise, and aging: the future of therapy for the frail elderly. J Am Geriatr Soc 1994;42:528-35.
11. Sidney KH, Shepard RJ. Growth hormone and cortisol-age difference, effects of exercise and training. Can J Appl Sport Sci 1977;2:189-93.
12. Craig BW, Brown R, Everhart J. Effects of progressive resistance training on growth hormone and testosterone levels in young and elderly subjects. Mech Ageing Dev 1989;49:159-69.
13. Hagberg JM, Seals DR, Yerg JE, et al. Metabolic responses to exercise in young and older athletes and sedentary men. J Appl Physiol 1988;65:900-8.
14. Silverman HG, Mazzeo RS. Hormonal responses to maximal and submaximal exercise in trained and untrained men of various ages. J Gerontol A Biol Sci Med Sci 1996;51:B30-7.
15. Poehlman ET, Copeland KC. Influence of physical activity on insulin-like growth factor-I in healthy younger and older men. J Clin Endocrinol Metab 1990;71:1468-73.
16. Papadakis MA, Grady D, Tierney MG, et al. Insulin-like growth factor-1 and functional status in healthy older men. J Am Geriatr Soc 1995;43:1350-5.
17. Kelly PJ, Eisman JA, Stuart MC, et al. Somatomedin-C, physical fitness, and bone density. J Clin Endocrinol Metab 1990;70:718-23.
18. Pyka G, Taaffe DR, Marcus R. Effect of a sustained program of resistance training on the acute growth hormone response to resistance exercise in older adults. Horm Metab Res 1994;26:330-3.
19. Mazariegos M, Valdez C, Kraaij S, et al. Comparative body composition estimates for institutionalized and free-living elderly in metropolitan areas of the Republic of Guatemala. Nutr Res 1996;16:443-57.
20. Lukaski HC, Johnson PE, Bolonchuk WW, Lykken GI. Assessment of fat-free mass using bioelectrical impedance measurements of the human body. Am J Clin Nutr 1985;41:810-7.
21. 2/R) significant in predicting total body water? Am J Clin Nutr 1992;56:835-9.
22. Deurenberg P, van der Kooy K, Leenen R, Weststrate JA, Seidell JC. Sex and age specific prediction formulas for estimating body composition from bioelectrical impedance: a cross-validation study. Int J Obes 1990;15:17-25.
23. Daughaday WH, Mariz IK, Blethen SL. Inhibition of access of basic somatomedin to membrane receptors and immunobinding sites: a comparison of radioreceptor and radioimmunological somatomedin in native and acid-ethanol extracted serum. J Clin Endocrinol Metab 1987;51:781-8.
24. Deschenes MR, Kraemer WJ, Maresh CM, Crivello JF. Exercise-induced hormonal changes and their effects upon skeletal muscle tissue. Sports Med 1991;12:80-93.
25. Vanhelder W, Casey K, Goode R, Radomski W. Growth hormone regulation in two types of aerobic exercise of equal oxygen uptake. Eur J Appl Physiol 1986;55:236-9.
26. Farrel PA, Gustafson AB, Garthwaite TL, et al. Influence of endogenous opioids on the response of selected hormones to exercise in humans. J Appl Physiol 1986;61:1051-7.
27. Dore S, Brisson GR, Fournier A, Massicotte D, Peronnet F, Gareau R. HGH20k species and variability of GH responses to long-duration exercise in male cyclists fed different food supplements. Horm Metab Res 1991;23:431-4.
28. Viru A, Keralson K, Smirnova T. Stability and variability in hormonal responses to prolonged exercise. Int J Sports Med 1992;13:230-5.
29. Kraemer WJ, Gordon SW, Fleck SJ, et al. Endogenous anabolic hormonal and growth factor responses to heavy resistance exercise in males and females. Int J Sports Med 1991;12:228-35.
30. Kraemer RR, Kilgore JL, Kraemer GR, Castracane VD. Growth hormone, IGF-I, and testosterone responses to resistive exercise. Med Sci Sports Exerc 1992;24:1346-52.
31. Bunt J, Boileau R, Mahr J, Nelson R. Sex and training differences in human growth hormone levels during prolonged exercise. J Appl Physiol 1986;61:1796-801.
32. Luger A, Watschinger B, Deuster P, et al. Plasma growth hormone and prolactin responses to graded levels of acute exercise and to a lactate infusion. Neuroendocrinology 1992;56:112-7.
33. Hakkinen K, Pakarinen A, Alen M, Kauhanen H, Komi PV. Daily hormonal and neuromuscular responses to intensive strength training in one week. Int J Sports Med 1988;9:422-8.
34. Pyka G, Wiswell RA, Marcus R. Age-dependent effect of resistance exercise on growth hormone secretion in people. J Clin Endocrinol Metab 1992;75:404-7.
35. Cappon J, Brasel JA, Mohan S, Cooper DM. Effect of brief exercise on circulating insulin-like growth factor-I. J Appl Physiol 1994; 76:2490-6.
36. Kraemer WJ, Aguilera BA, Terada M, et al. Responses of IGF-I to endogenous increases in growth hormone after heavy-resistance exercise. J Appl Physiol 1995;79:1310-5.
37. Florini JR, Prinz PN, Vitiello MV, Hintz RL. Somatomedin-C levels in healthy young and old men: relationship to peak and 24-h integrated levels of growth hormone. J Gerontol 1985;40:2-7.
38. Bando H, Zhang C, Takada Y, Yamasaki R, Saito S. Impaired secretion of growth hormone-releasing hormone, growth hormone, and IGF-I in elderly men. Acta Endocrinol (Copenh) 1991;124:31-6.
39. Corpas E, Harman SM, Pineyro MA. Continuous subcutaneous infusions of growth hormone releasing hormone 1-44 for 14 days increase GH and insulin-like growth factor-I levels in old men. J Clin Endocrinol Metab 1993;76:134-8.
40. Iranmanesh A, Lizarralde G, Veldhuis KD. Age and relative adiposity are specific negative determinants of the frequency and amplitude of growth hormone secretory bursts and the half-life of endogenous GH in healthy men. J Clin Endocrinol Metab 1991;73:1081-8.
41. Shetty KR, Sutton CH, Mattson DE, Rudman D. Hyposomatomedinemia in quadriplegic men. Am J Med Sci 1993;305:95-100.
42. Weltman A, Weltman JY, Schurrer R, et al. Endurance training amplifies the pulsatile release of growth hormone: effects of training intensity. J Appl Physiol 1992;72:2188-96.
43. Hakkinen K, Pakarinen A, Alen M, Komi PV. Serum hormones during prolonged training of neuromuscular performance. Eur J Appl Physiol 1985;53:287-93.
44. Mazariegos M, Valdez C, Kraaij S, et al. A comparison of body fat estimates using anthropometry and bioelectrical impedance analysis with distinct prediction equations in elderly persons in the Republic of Guatemala. Nutrition 1996;12:168-75.