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The JAK2 Inhibitor AZD1480 Inhibits Hepatitis A Virus Replication in Huh7 Cells

The JAK2 Inhibitor AZD1480 Inhibits Hepatitis A Virus Replication in Huh7 Cells

Xia Jiang, Tatsuo Kanda, Shingo Nakamoto, Kengo Saito, Masato Nakamura, Shuang Wu, Yuki Haga, Reina Sasaki, Naoya Sakamoto, Hiroshi Shirasawa, Hiroaki Okamoto, Osamu Yokosuka

Biochem Biophys Res Commun. 2015 Mar 20;458(4):908-12.

PMID: 25704089

Abstract:

The JAK2 inhibitor AZD1480 has been reported to inhibit La protein expression. We previously demonstrated that the inhibition of La expression could inhibit hepatitis A virus (HAV) internal ribosomal entry-site (IRES)-mediated translation and HAV replication in vitro. In this study, we analyzed the effects of AZD1480 on HAV IRES-mediated translation and replication. HAV IRES-mediated translation in COS7-HAV-IRES cells was inhibited by 0.1-1 μM AZD1480, a dosage that did not affect cell viability. Results showed a significant reduction in intracellular HAV HA11-1299 genotype IIIA RNA levels in Huh7 cells treated with AZD1480. Furthermore, AZD1480 inhibited the expression of phosphorylated-(Tyr-705)-signal transducer and activator of transcription 3 (STAT3) and La in Huh7 cells. Therefore, we propose that AZD1480 can inhibit HAV IRES activity and HAV replication through the inhibition of the La protein.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP935666889	AZD1480		935666-88-9	Price

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