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- Ekström, J., et al.
(författare)
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Increased polyamine formation in rat salivary glands by stimulation of their autonomic nerve supply
- 1985
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Ingår i: Archives of Oral Biology. - 0003-9969. ; 30:11-12, s. 773-775
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Tidskriftsartikel (refereegranskat)abstract
- Ornithine decarboxylase (ODC), a key enzyme in polyamine biosynthesis, was measured in the three major salivary glands of rats and mice. Enzyme activity and glandular putrescine content increased after continuous stimulation of the parasympathetic or sympathetic salivary nerves for 3 h. The activity was markedly reduced in animals fasted for 24 h to decrease nervous-reflex activation of the glands. Thus ODC activity may be linked with synthesis of secretory macromolecules.
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2. |
- Jönsson, Daniel, et al.
(författare)
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Immunocytochemical demonstration of estrogen receptor beta in human periodontal ligament cells.
- 2004
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Ingår i: Archives of Oral Biology. - 1879-1506 .- 0003-9969. ; 49:1, s. 85-88
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Tidskriftsartikel (refereegranskat)abstract
- Two transcription associated estrogen receptor (ER) subtypes have been identified and named ERα and ERβ. In the present study we investigate the expression of these ER subtypes in cultured human periodontal ligament (PDL) cells by immunocytochemistry. ERβ immunoreactivity was observed in the nuclei of about 40% of the PDL cells, while no ERα immunoreactivity was detected. In human breast cancer MCF-7 cells, serving as positive controls, both ERα and ERβ immunoreactivities were demonstrated. No immunoreactivity was observed after omission of the primary antibodies. This study suggests that estrogen acts on gene transcription preferentially via ERβ in human PDL cells.
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