Experimental rodent models of brainstem tumors.

Q. Wu, Betty Mae Tyler, L. Sukay, L. Rhines, F. DiMeco, R. E. Clatterbuck, M. Guarnieri, Benjamin Solomon

Research output: Contribution to journalArticle

Abstract

Despite recent advances in surgical technology, resection is not an option for many brainstem tumors. Experimental models have played essential roles in examining new approaches to therapy. The objective of the present study was to generate models by determining coordinates for safe inoculation into the brainstem of mice and rats, and to establish whether the implantation of heterotopic cells would create reproducible survival curves. Morbidity and survival studies were used to map stereotactic coordinates allowing successful inoculation of tumor cells. Survival studies were used to investigate the time course of tumor growth. Tumor location was examined by light microscopy and magnetic resonance imaging. Mice survived injections of 2 microL of saline at interaural, lateral, and depth coordinates of -2.5, 1.0, and 3.5 mm and -1.5, 1.0, and 3.5 mm. Rats survived injections at interaural, lateral, and depth coordinates of -2.0, 2.0, and 7.0 mm and -3.0, 0, and 7.0 mm. Median survival of mice challenged with 5 x 10(5) EMT6 and 10(4) B16 tumor cells was 11 and 10 days, respectively. Median survival for rats challenged with 10(4) 9L and F98 cells was 14 and 13 days, respectively. The present study demonstrates a feasible approach to preparing models of brainstem tumors. Limitations of these models are discussed.

Original languageEnglish (US)
Pages (from-to)293-299
Number of pages7
JournalVeterinary Pathology
Volume39
Issue number3
StatePublished - May 2002

Fingerprint

Brain Stem Neoplasms
brain stem
Rodentia
rodents
Theoretical Models
neoplasms
Neoplasms
rats
mice
vaccination
injection
Injections
resection
magnetic resonance imaging
Brain Stem
morbidity
light microscopy
Microscopy
Magnetic Resonance Imaging
cells

ASJC Scopus subject areas

  • veterinary(all)

Cite this

Wu, Q., Tyler, B. M., Sukay, L., Rhines, L., DiMeco, F., Clatterbuck, R. E., ... Solomon, B. (2002). Experimental rodent models of brainstem tumors. Veterinary Pathology, 39(3), 293-299.

Experimental rodent models of brainstem tumors. / Wu, Q.; Tyler, Betty Mae; Sukay, L.; Rhines, L.; DiMeco, F.; Clatterbuck, R. E.; Guarnieri, M.; Solomon, Benjamin.

In: Veterinary Pathology, Vol. 39, No. 3, 05.2002, p. 293-299.

Research output: Contribution to journalArticle

Wu, Q, Tyler, BM, Sukay, L, Rhines, L, DiMeco, F, Clatterbuck, RE, Guarnieri, M & Solomon, B 2002, 'Experimental rodent models of brainstem tumors.', Veterinary Pathology, vol. 39, no. 3, pp. 293-299.
Wu Q, Tyler BM, Sukay L, Rhines L, DiMeco F, Clatterbuck RE et al. Experimental rodent models of brainstem tumors. Veterinary Pathology. 2002 May;39(3):293-299.
Wu, Q. ; Tyler, Betty Mae ; Sukay, L. ; Rhines, L. ; DiMeco, F. ; Clatterbuck, R. E. ; Guarnieri, M. ; Solomon, Benjamin. / Experimental rodent models of brainstem tumors. In: Veterinary Pathology. 2002 ; Vol. 39, No. 3. pp. 293-299.
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