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Seifert, W.F. (author), Bosma, A. (author), Brouwer, A. (author), Hendriks, H.F.J. (author), Roholl, P.J.M. (author), van Leeuwen, R.E.W. (author), de Thiel van-Ruiter, G.C.F. (author), Seifert-Bock, I. (author), Knook, D.L. (author), TNO Preventie en Gezondheid (author)
Earlier studies have shown that retinoid administration suppresses the generation of hepatic fibrosis and stimulates its regression in normal (i.e., vitamin A-sufficient) carbon tetrachloride-treated rats. This study focuses on the possible role of a marginal or deficient vitamin A status on carbon tetrachloride-induced fibrosis. This...
article 1994
document
Heijmans, B.T. (author), Westendorp, R.G.J. (author), Knook, D.L. (author), Kluft, C. (author), Slagboom, P.E. (author), Gaubius instituut TNO (author)
OBJECTIVES: We studied the contribution of putative risk genotypes at the angiotensin I-converting enzyme inhibitor (ACE D/D) and plasminogen activator inhibitor-1 (PAI-1 4G/4G) loci to all-cause and cardiovascular mortality in a population-based cohort. BACKGROUND: The ACE D/D and PAI-1 4G/4G genotypes have been consistently associated with...
article 1999
document
van Buuren, S. (author), Boshuizen, H.C. (author), Knook, D.L. (author), TNO Preventie en Gezondheid (author)
This paper studies a non-response problem in survival analysis where the occurrence of missing data in the risk factor is related to mortality. In a study to determine the influence of blood pressure on survival in the very old (85+ years), blood pressure measurements are missing in about 12.5 per cent of the sample. The available data suggest...
article 1999
document
Knook, D.L. (author), Instituut voor experimentele gerontologie TNO (author)
Highly purified suspensions of parenchymal, endothelial and Kupffer cells were prepared from the rat liver. The respective roles of these cell classes in the degradation of proteins was investigated by analysing the cellular distribution of two lysomal proteases. The specific arginine naphthylamidase activity was 2 times higher in Kupffer cells...
article 1977
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Knook, D.L. (author), Bosma, A. (author), Seifert, W.F. (author), Instituut voor Verouderings- en Vaatziekten Onderzoek TNO (author)
The relationship between vitamin A and liver fibrosis was studied with a CCl4-induced fibrosis model in rats. Depending on the time of administration, vitamin A can potentiate or reduce fibrosis: when present during CCl4-treatment parenchymal cell damage and fibrosis were enhanced, whereas vitamin A post-treatment strongly reduced fibrosis....
article 1995
document
Heijmans, B.T. (author), Kluft, C. (author), Bots, M.L. (author), Lagaay, A.M. (author), Brand, A. (author), Grobbee, D.E. (author), Knook, D.L. (author), Slagboom, P.E. (author), Gaubius Instituut TNO (author)
The genetic component of human longevity is estimated at 30%. Which genes are involved in determining human longevity, however, is largely unknown. Genes that may affect human survival are susceptibility loci for major age related pathologies. Many studies are being performed to identify such loci for cardiovascular disease, dementia and...
article 1996
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