Abstract:
:The role of mesothelial cells in the intraperitoneal spread of ovarian cancer is still elusive. In particular, it is unclear whether these cells constitute a passive barrier preventing cancer cell progression or perhaps act as an active promoter of this process. In this report we show that omental human peritoneal mesothelial cells (HPMCs) stimulate adhesion and proliferation of ovarian cancer cells (A2780, OVCAR-3, SKOV-3). The latter was associated with the paracrine activity of GRO-1, IL-6, and IL-8 released to the environment by HPMCs. Furthermore, the growth dynamics of ovarian cancer xenografts produced in response to i.p. injection of ovarian cancer cells together with HPMCs was remarkably greater than for implantation of cancer cells alone. A layer of peritoneal mesothelium was consistently present in close proximity to the tumor mass in every xenograft model. In conclusion, our results indicate that HPMCs play a supporting role in the intraperitoneal invasiveness of ovarian malignancy, whose effect may be attributed to their ability to stimulate adhesion and proliferation of cancer cells.
journal_name
Cancer Lettjournal_title
Cancer lettersauthors
Mikuła-Pietrasik J,Sosińska P,Kucińska M,Murias M,Maksin K,Malińska A,Ziółkowska A,Piotrowska H,Woźniak A,Książek Kdoi
10.1016/j.canlet.2014.09.041subject
Has Abstractpub_date
2014-12-28 00:00:00pages
310-5issue
2eissn
0304-3835issn
1872-7980pii
S0304-3835(14)00582-5journal_volume
355pub_type
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