Human Reproduction, Vol 12, 17-20, Copyright © 1997 by Oxford University Press
DS Charnock-Jones, AM Sharkey, DC Jaggers, HJ Yoo, RB Heap and SK Smith
Therapeutic interventions in reproductive biology have relied largely on
steroids and antisteroids which act to regulate gene expression in target
tissues. Whilst their use has transformed women's lives, few conceptual
advances have been made in contraceptive technology, no means identified to
improve human implantation and no new strategies developed for the
treatment of benign gynaecology. A novel alternative is direct gene
transfer to the organ of interest. As a first step to achieving this goal
in the uterus, we used reporter gene constructs to transfect mouse
endometrium in vivo and human endometrial epithelial cells in vitro. We
injected DNA-liposome complexes into the uterine lumen of mice on day 2 of
pseudopregnancy and detected reporter gene activity 2 days later. The
liposomes used were a 3:1 (w/w) mixture of
2,3-dioleyloxy-N-[2(sperminecarboxamido) ethyl]-N-N-dimethyl-1-
propanaminium trifluoroacetate and dioleoylphosphatidyl ethanolamine.
Freshly isolated human endometrial epithelial cells were successfully
transfected in vitro with similar DNA-liposome complexes. These data
suggest that endometrial gene transfer may be effective in humans. This may
lead to the development of new therapeutic agents, including
contraceptives, for the improvement of women's health.
ARTICLES
In-vivo gene transfer to the uterine endometrium
Department of Obstetrics and Gynaecology, University of Cambridge, Rosie Maternity Hospital, UK.
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