Although some progress has been made in describing a variety of secretory systems and some information is available regarding secretory dysfunction in disease, the cellular mechanisms involved in secretion and the molecular events that result in secretory dysfunction in disease are still poorly understood. Unfortunately, methods are not available which permit detailed studies of human salivary tissue in culture. The development of a primary cell culture system would aslo permit, in a more controlled environment, the study of salivary gland dysfunction in disease, such as in cystic fibrosis. Thus, we are proposing to develop a procedure for the culturing of salivary gland cells. Using rat submandibular and parotid cells as a model system, we plan to develop a primary culture method using floating collagen gels. Having once developed the culture procedure we plan to develop a chemically defined media in which the salivary cells will maintain their normal adult, differentiated state. The secretory capacity of the cells will be evaluated by both morphological and biochemical criteria. Light and electron microscopic evaluation combined with cytochemical and histochemical techniques and the synthetic and secretory capacity of the cells will be assessed. Once having established the cell culture procedure we intend to eventually study the secretory mechanisms in human salivary glands taken from normal patients and from patients with cystic fibrosis.

Agency
National Institute of Health (NIH)
Institute
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
Type
Research Project (R01)
Project #
2R01DK033835-04
Application #
3232238
Study Section
Oral Biology and Medicine Study Section (OBM)
Project Start
1983-09-01
Project End
1989-08-31
Budget Start
1986-09-01
Budget End
1987-08-31
Support Year
4
Fiscal Year
1986
Total Cost
Indirect Cost
Name
University of Colorado Denver
Department
Type
Schools of Dentistry/Oral Hygn
DUNS #
065391526
City
Aurora
State
CO
Country
United States
Zip Code
80045
Quissell, D O; Redman, R S; Barzen, K A et al. (1994) Effects of oxygen, insulin, and glucagon concentrations on rat submandibular acini in serum-free primary culture. In Vitro Cell Dev Biol Anim 30A:833-42
Quissell, D O; Flaitz, C M; Redman, R S et al. (1994) Primary culture of human labial salivary gland acini. In Vitro Cell Dev Biol Anim 30A:736-40
Redman, R S; Quissell, D O; Barzen, K A (1988) Effects of dexamethasone, epidermal growth factor, and retinoic acid on rat submandibular acinar-intercalated duct complexes in primary culture. In Vitro Cell Dev Biol 24:734-42