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Articles 1 - 6 of 6
Full-Text Articles in Biochemical Phenomena, Metabolism, and Nutrition
Glucocorticoid Regulation Of Insulin Like Growth Factor Binding Protein-5 Gene Transcription In Human Osteoblasts, Xiaoying Wang
Glucocorticoid Regulation Of Insulin Like Growth Factor Binding Protein-5 Gene Transcription In Human Osteoblasts, Xiaoying Wang
Loma Linda University Electronic Theses, Dissertations & Projects
Glucocorticoids (GCs) inhibit bone formation in vivo and inhibit osteoblast proliferation and collagen synthesis in vitro. These effects may be mediated by alterations in the insulin-like growth factor (IGF) system. In the present study of normal human osteoblast-like (HOB) cells, we tested the hypothesis that dexamethasone (Dex) inhibits the expression of IGF binding protein-5 (IGFBP-5). Dex decreased IGFBP-5 mRNA levels to 54% of control after 4 hr. Dex did not modify the decay of IGFBP-5 mRNA in transcriptionally arrested osteoblast cells. Dex decreased IGFBP-5 hnRNA levels to 67% of control after 2 hr, and the activity of the human IGFBP- …
Vitamin A And Cancer, Richard M. Niles
Vitamin A And Cancer, Richard M. Niles
Biochemistry and Microbiology
Vitamin A, its physiological metabolites and synthetic derivatives (retinoids) have been shown to have protective effects against the development of certain types of cancer. In addition, pharmacological amounts of retinoids have been used with some success in the treatment of a few human tumors. The chemoprevention effect of retinoids is most likely exerted at the tumor promotion phase of carcinogenesis. Retinoids block tumor promotion by either inhibiting proliferation, inducing apoptosis, inducing differentiation, or a combination of these actions. Clinically, isotretinoin (13-cis-retinoic acid) significantly decreases the incidence of second primary tumors in patients with head and neck cancer and also reduces …
Dietary Fish Oil Sensitizes A549 Lung Xenografts To Doxorubicin Chemotherapy, W. Elaine Hardman, Mary Pat Moyer, Ivan L. Cameron
Dietary Fish Oil Sensitizes A549 Lung Xenografts To Doxorubicin Chemotherapy, W. Elaine Hardman, Mary Pat Moyer, Ivan L. Cameron
Biochemistry and Microbiology
A549 xenografts were allowed to grow in nude mice to about 5 mm in diameter, then diets were changed to modified AIN-76 diets containing 19% wt/wt. fish oil (FO) or 20% wt./wt. com oil (CO). Ten days later dietary ferric citrate (0.3% wt./dry wt.) was added and doxoribicin (DOX) treatment (3.6 mg/kg i.v. each of the 5 days for 18 days) commenced. Treatment with DOX halted the growth of tumors in the CO fed mice. However, in those mice, which consumed FO or FO with ferric citrate, treatment with DOX caused significant tumor regression.
N-Methyl-D-Aspartate Receptor Subunit Nr2b Is Widely Expressed Throughout The Rat Diencephalon: An Immunohistochemical Study, Arshad Khan, B. Stanley, Lisa Bozzetti, Christina Chin, Cyndi Stivers, Margarita Curras-Collazo
N-Methyl-D-Aspartate Receptor Subunit Nr2b Is Widely Expressed Throughout The Rat Diencephalon: An Immunohistochemical Study, Arshad Khan, B. Stanley, Lisa Bozzetti, Christina Chin, Cyndi Stivers, Margarita Curras-Collazo
Selected Works Temporary Series
No abstract provided.
N-Methyl-D-Aspartate Receptor Subunit Nr2b Is Widely Expressed Throughout The Rat Diencephalon: An Immunohistochemical Study, Khan, B. Stanley, Lisa Bozzetti, Christina Chin, Cyndi Stivers, Margarita Curras-Collazo
N-Methyl-D-Aspartate Receptor Subunit Nr2b Is Widely Expressed Throughout The Rat Diencephalon: An Immunohistochemical Study, Khan, B. Stanley, Lisa Bozzetti, Christina Chin, Cyndi Stivers, Margarita Curras-Collazo
Departmental Papers (Biology)
No abstract provided.
Investigations Of The Absorption And Metabolismof Antioxidant Flavonols, Abdul Aziz Azlina
Investigations Of The Absorption And Metabolismof Antioxidant Flavonols, Abdul Aziz Azlina
Student Works (2000-2009)
Flavonols are polyphenols, secondary plant metabolites commonly found in plants and foods of plant origin. They have widespread biological properties in the human body. The recent discovery of their potential antioxidant activities has prompted extensive research. Flavonols particularly quercetin are potent antioxidants with higher antioxidant properties than the well known antioxidant vitamins C and E. Several epidemiology studies have demonstrated a strong inverse association between flavonoid intake and risk of coronary heart disease. The association with cancer is less defined with only some studies showing an inverse association and others not. In view of their potential to act as antioxidants …