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@ARTICLE{Singhal:154523,
author = {M. Singhal$^*$ and N. Gengenbacher$^*$ and S. La Porta$^*$
and S. Gehrs$^*$ and J. Shi$^*$ and M. Kamiyama$^*$ and D.
M. Bodenmiller and A. Fischl and B. Schieb$^*$ and E.
Besemfelder$^*$ and S. Chintharlapalli and H. Augustin$^*$},
title = {{P}reclinical validation of a novel metastasis-inhibiting
{T}ie1 function-blocking antibody.},
journal = {EMBO molecular medicine},
volume = {12},
number = {6},
issn = {1757-4684},
address = {Heidelberg},
publisher = {EMBO Press},
reportid = {DKFZ-2020-00844},
pages = {e11164},
year = {2020},
note = {DKFZ-ZMBH Alliance2020 Jun 8;12(6):e11164#EA:A190#LA:A190#},
abstract = {The angiopoietin (Ang)-Tie pathway has been intensely
pursued as candidate second-generation anti-angiogenic
target. While much of the translational work has focused on
the ligand Ang2, the clinical efficacy of Ang2-targeting
drugs is limited and failed to improve patient survival. In
turn, the orphan receptor Tie1 remains therapeutically
unexplored, although its endothelial-specific genetic
deletion has previously been shown to result in a strong
reduction in metastatic growth. Here, we report a novel Tie1
function-blocking antibody (AB-Tie1-39), which suppressed
postnatal retinal angiogenesis. During primary tumor growth,
neoadjuvant administration of AB-Tie1-39 strongly impeded
systemic metastasis. Furthermore, the administration of
AB-Tie1-39 in a perioperative therapeutic window led to a
significant survival advantage as compared to
control-IgG-treated mice. Additional in vivo experimental
metastasis and in vitro transmigration assays concurrently
revealed that AB-Tie1-39 treatment suppressed tumor cell
extravasation at secondary sites. Taken together, the data
phenocopy previous genetic work in endothelial Tie1 KO mice
and thereby validate AB-Tie1-39 as a Tie1 function-blocking
antibody. The study establishes Tie1 as a therapeutic target
for metastasis in a perioperative or neoadjuvant setting.},
cin = {A190 / HD01},
ddc = {610},
cid = {I:(DE-He78)A190-20160331 / I:(DE-He78)HD01-20160331},
pnm = {311 - Signalling pathways, cell and tumor biology
(POF3-311)},
pid = {G:(DE-HGF)POF3-311},
typ = {PUB:(DE-HGF)16},
pubmed = {pmid:32302470},
doi = {10.15252/emmm.201911164},
url = {https://inrepo02.dkfz.de/record/154523},
}