Intratumoral injection of inactivated Sendai virus particles elicits strong antitumor activity by enhancing local CXCL10 expression and systemic NK cell activation.

Intratumoral injection of inactivated Sendai virus particles elicits strong antitumor activity by enhancing local CXCL10 expression and systemic NK cell activation. Research Abstract Details 

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Intratumoral injection of inactivated Sendai virus particles elicits strong antitumor activity by enhancing local CXCL10 expression and systemic NK cell activation. Abstract Text:

Atsuko Fujihara,Masayuki Kurooka,Tsuneharu Miki,Yasufumi Kaneda,Atsuko Fujihara,Masayuki Kurooka,Tsuneharu Miki,Yasufumi Kaneda,

We have already demonstrated that inactivated, replication-defective Sendai virus particles (HVJ-E) have a powerful antitumor effect by both the generation of tumor-specific cytotoxic T cells and inhibition of regulatory T cell activity. Here, we report that HVJ-E also has an antitumor effect through non-T cell immunity. Microarray analysis revealed that direct injection of HVJ-E induced the expression of CXCL10 in established Renca tumors. CXCL10 was secreted by dendritic cells in the tumors after HVJ-E injection. Quantitative real-time RT-PCR and immunohistochemistry revealed that CXCR3+ cells (predominantly NK cells) infiltrated the HVJ-E-injected tumors. Moreover, HVJ-E injection caused systemic activation of NK cells and enhanced their cytotoxity against tumor cells. In an in vivo experiment, approximately 50% of tumors were eradicated by HVJ-E injection, and this activity of HVJ-E against Renca tumors was largely abolished by NK cell depletion using anti-asialo GM1 antibody. Since HVJ-E injection induced systemic antitumor immunity by enhancing or correcting the chemokine-chemokine receptor axis, it might be a potential new therapy for cancer.

Intratumoral injection of inactivated Sendai virus particles elicits strong antitumor activity by enhancing local CXCL10 expression and systemic NK cell activation. Publishing Authors By Initials

A Fujihara,M Kurooka,T Miki,Y Kaneda,A Fujihara,M Kurooka,T Miki,Y Kaneda,

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Intratumoral injection of inactivated Sendai virus particles elicits strong antitumor activity by enhancing local CXCL10 expression and systemic NK cell activation. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Cancer immunology, immunotherapy : CII

VOLUME: 57

Page Numbers: 73-84

Journal Abbreviation: Cancer Immunol. Immunother.

ISSN: 0340-7004

DAY: 30

MONTH: 06

YEAR: 2007

Intratumoral injection of inactivated Sendai virus particles elicits strong antitumor activity by enhancing local CXCL10 expression and systemic NK cell activation. Information

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LANGUAGE: eng

NlmUniqueID: 8605732

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Grant and Affiliation Information for Intratumoral injection of inactivated Sendai virus particles elicits strong antitumor activity by enhancing local CXCL10 expression and systemic NK cell activation.

AFFILIATION: Division of Gene Therapy Science, Osaka University Medical School, Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka, 565-0871, Japan, kaneday@gts.med.osaka-u.ac.jp.

Country: Germany

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MEDLINETA: Cancer Immunol Immunother

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