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In Vivo Gene Transfer To Salivary Glands

Gene Therapy and Therapeutics Branch, National Institute of Dental and Craniofacial Research, National Institutes of Health, GTTB/NIDCR/NIH, 10 Center Drive, MSC 1190, Bldg. 10, Room 1 N113, Bethesda, Maryland 20892

B.C. O'Connell

Gene Therapy and Therapeutics Branch, National Institute of Dental and Craniofacial Research, National Institutes of Health, GTTB/NIDCR/NIH, 10 Center Drive, MSC 1190, Bldg. 10, Room 1 N113, Bethesda, Maryland 20892

Considerable progress has occurred recently in transferring foreign genes to different tissues in vivo. Gene transfer to salivary glands has mirrored progress in the general field. Most salivary studies have utilized replication-deficient, recombinant adenoviruses as gene transfer vectors in rat models. These vectors are able to transduce almost all rat salivary epithelial cell types and lead to relatively high levels of transgene expression. Additionally, successful, though quite modest, gene transfer to salivary glands has been achieved with retroviral vectors and with different plasmid conjugates (liposomes; non-recombinant adenoviruses). Salivary gland gene transfer has been used for two potential clinical goals: (i) the repair of hypo-functional gland parenchyma, and (ii) the production of secretory transgene products for either systemic or upper gastrointestinal tract pharmaceutical use. Gene transfer can also be used as a powerful tool to alter cellular phenotype in vivo and probe cell biological questions. The current spectrum of studies demonstrates the potential broad and profound influence gene transfer can make on salivary physiology and pathophysiology.

Key Words: Salivary glands • gene transfer • recombinant viruses • therapy • therapeutics.

Critical Reviews in Oral Biology & Medicine, Vol. 10, No. 3, 276-283 (1999)
DOI: 10.1177/10454411990100030201


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