𝔖 Bobbio Scriptorium
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A mouse strain difference in tumorigenesis induced by biodegradable polymers

✍ Scribed by Saifuddin Ahmed; Toshie Tsuchiya

Book ID
102872133
Publisher
John Wiley and Sons
Year
2006
Tongue
English
Weight
577 KB
Volume
79A
Category
Article
ISSN
1549-3296

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✦ Synopsis

Abstract

The use of poly‐L‐lactic acid (PLLA) surgical implants for repair of bone fractures has gained popularity in the past decade. The aim of this study was to evaluate the in vivo effect of PLLA plates on subcutaneous tissue in two mouse strains, BALB/cJ and SJL/J, which have higher and lower tumorigenicity, respectively. Gap‐junctional intercellular communication and protein expression of connexin 43 were significantly suppressed, whereas secretion of transforming growth factor‐β1 and expression of extracellular matrix, insulin‐like growth factor binding protein 3, and cysteine‐rich intestinal protein 2 were significantly increased in PLLA‐implanted BALB/cJ mice when compared with BALB/cJ controls. Finally, tumors were formed after implantation of cultured cells from the more‐tumorigenic BALB/cJ, but not SJL/J, mice into nude mice. © 2006 Wiley Periodicals, Inc. J Biomed Mater Res, 2006

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