Increased numbers of spontaneous SCLC metastasis in absence of NK cells after subcutaneous inoculation of different SCLC cell lines into pfp/rag2 double knock out mice

Sodeur, Stephan; Ullrich, Sebastian; Gustke, Heike; Zangemeister-Wittke, Uwe; Schumacher, Udo (2009). Increased numbers of spontaneous SCLC metastasis in absence of NK cells after subcutaneous inoculation of different SCLC cell lines into pfp/rag2 double knock out mice. Cancer letters, 282(2), pp. 146-51. Amsterdam: Elsevier 10.1016/j.canlet.2009.03.005

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Spontaneous metastases in small cell lung cancer (SCLC) occur regularly in patients but seldom if any in conventional xenograft mouse models. To overcome this problem, SCLC cells were grafted subcutaneously onto pore forming protein and recombination activating gene 2 double knock out (pfp/rag2) mice and in severe combined immunodeficient (scid) mice. Primary tumours grew well in both mouse strains, while metastases occurred frequently in the pfp/rag2 mice and infrequently in scid mice. Hence NK cells, which are inactive in pfp/rag2 mice, play an important role in SCLC metastasis formation in xenograft models. This observation is in agreement with clinical studies, where a high NK cell number in the blood is correlated with a better prognosis of the patient.

Item Type:	Journal Article (Original Article)
Division/Institute:	04 Faculty of Medicine > Pre-clinic Human Medicine > Institute of Pharmacology
UniBE Contributor:	Zangemeister-Wittke, Uwe
ISSN:	0304-3835
Publisher:	Elsevier
Language:	English
Submitter:	Factscience Import
Date Deposited:	04 Oct 2013 15:10
Last Modified:	02 Mar 2023 23:23
Publisher DOI:	10.1016/j.canlet.2009.03.005
PubMed ID:	19349111
Web of Science ID:	000268994300003
URI:	https://boris.unibe.ch/id/eprint/30685 (FactScience: 194954)