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pro vyhledávání: '"H. James Armbrecht"'
One of the hallmarks of aging is the decreased capacity to adapt to changes in the environment. In a constant, controlled environment, it is often difficult to distin guish the functioning of the young organism from that of the old. However, when s
Autor:
H. James Armbrecht
Publikováno v:
Pathy's Principles and Practice of Geriatric Medicine
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fb64055f5db38523e01388a9277cb27e
https://doi.org/10.1002/9781119952930.ch1
https://doi.org/10.1002/9781119952930.ch1
Publikováno v:
Archives of biochemistry and biophysics. 437(1)
Transepithelial transport of calcium involves uptake at the apical membrane, movement across the cell, and extrusion at the basolateral membrane. Active vitamin D metabolites regulate the latter two processes by induction of calbindin D and the plasm
Publikováno v:
Biochemical and biophysical research communications. 272(3)
Aging is associated with extensive cognitive impairments, although the biochemical and physiological basis of these deficits are unknown. As the hippocampus plays a vital role in cognitive functions, we have selected this tissue to analyze changes in
Serum Ca must be maintained at about 10 mg/100 ml for the proper function of nerve, muscle, and bone. Serum Ca is maintained through the action of vitamin D metabolites and parathyroid hormone (PTH) on intestine, kidney, and bone (DeLuca, 1988; Mingh
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::30cf4f7d31e7e06988113ddd52f1eff3
https://doi.org/10.1016/s1569-2558(08)60346-x
https://doi.org/10.1016/s1569-2558(08)60346-x
Publikováno v:
Journal of the American Geriatrics Society. 41(8)
Publikováno v:
Endocrine Function and Aging
One of the hallmarks of aging is the decreased capacity to adapt to changes in the environment. In a constant, controlled environment, it is often difficult to distin guish the functioning of the young organism from that of the old. However, when str
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::493c4a1054016dd6abcab1230d28fd6f
https://doi.org/10.1007/978-1-4612-3240-7
https://doi.org/10.1007/978-1-4612-3240-7
Publikováno v:
Endocrinology. 110:1983-1988
The purpose of this study was to examine the effects of dietary calcium (Ca), phosphorus (P), and vitamin D3 metabolites on the renal metabolism of 25-hydroxyvitamin D3 (25OHD3) to either 1,25-dihydroxyvitamin D3 [1,25-(OH)2D3] or 24,25-dihydroxyvita
Autor:
H. James Armbrecht, Leonard R. Forte
Publikováno v:
Archives of Biochemistry and Biophysics. 242:464-469
Previous studies have shown that middle aged rats do not increase renal 1,25-dihydroxyvitamin D3(1,25(OH)2D3) production in response to short-term (4 weeks) dietary vitamin D and calcium restriction. The purpose of the experiments reported here was t
Publikováno v:
Biochimica et Biophysica Acta (BBA) - Biomembranes. 944:367-373
There is a marked decrease in active Ca2+ transport by the rat small intestine with age, particularly between 2 and 12 months. Much evidence suggests that the active component of Ca2+ transport resides in the energy-dependent pumping of Ca2+ across t