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Yoichi Ozawa

Researcher at Eisai

Publications -  75
Citations -  2053

Yoichi Ozawa is an academic researcher from Eisai. The author has contributed to research in topics: Sulfonamide & Ring (chemistry). The author has an hindex of 19, co-authored 71 publications receiving 1623 citations. Previous affiliations of Yoichi Ozawa include National Archives and Records Administration.

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Discovery of Novel Antitumor Sulfonamides Targeting G1 Phase of the Cell Cycle

TL;DR: N-(3-chloro-7-indolyl)-1,4-benzenedisulfonamide (E7070) showed significant antitumor activity against HCT116 human colon carcinoma both in vitro (IC(50) 0.11 microg/mL in cell proliferation assay) and in vivo (not only growth suppression but also a marked reduction of tumor size in nude mice).
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Eribulin mesilate suppresses experimental metastasis of breast cancer cells by reversing phenotype from epithelial–mesenchymal transition (EMT) to mesenchymal–epithelial transition (MET) states

TL;DR: Eribulin exerted significant effects on EMT/MET-related pathway components in human breast cancer cells in vitro and in vivo, consistent with a phenotypic switch from mesenchymal to epithelial states, and corresponding to observed decreases in migration and invasiveness in vitro as well as experimental metastasis in vivo.
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Lenvatinib plus anti-PD-1 antibody combination treatment activates CD8+ T cells through reduction of tumor-associated macrophage and activation of the interferon pathway.

TL;DR: It is shown that lenvatinib modulates cancer immunity in the tumor microenvironment by reducing TAMs and, when combined with PD-1 blockade, shows enhanced antitumor activity via the IFN signaling pathway.
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Eribulin mesylate reduces tumor microenvironment abnormality by vascular remodeling in preclinical human breast cancer models.

TL;DR: It is shown that eribulin induces remodeling of tumor vasculature through a novel antivascular activity in MX‐1 and MDA‐MB‐231 human breast cancer xenograft models, suggesting that Eribulin‐induced remodelling of abnormal tumor vasculation leads to a more functional microenvironment that may reduce the aggressiveness of tumors due to elimination of inner tumor hypoxia.
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Immunomodulatory activity of lenvatinib contributes to antitumor activity in the Hepa1-6 hepatocellular carcinoma model

TL;DR: Lenvatinib has immunomodulatory activity that contributes to the antitumor activity of lenvatinIB and enhances the antitUMor activity in combination treatment with anti‐PD‐1 antibody, and warrants further investigation against advanced HCC.