Journal: International Journal of Molecular Medicine
Article Title: Novel Hsp90 inhibitor JD-02 inhibits HSV-1 infection via the Raf/MEK/ERK signaling pathway
doi: 10.3892/ijmm.2026.5810
Figure Lengend Snippet: JD-02 inhibits HSV-1 replication by suppressing the Raf/MEK/ERK signaling pathway. (A) Western blot analysis was conducted to assess the effects of HSV-1 (MOI=0.1) infection on the protein levels of BRAF, MEK and ERK, with and without treatment using JD-02. (B) Treatment with JD-02 at the specified concentration influences the protein levels of BRAF, MEK and ERK in HaCaT cells over a 12-h period. (C and D) HaCaT cells were subjected to transfection with either N.C. siRNA or ERK siRNA for a period of 48 h. Subsequently, the cells were infected with HSV-1 (MOI=0.1) for an additional 24 h. The DNA copy number of the viral gene UL54, as well as the viral protein expression of gB, ICP0, ICP27, ERK and p-ERK were evaluated. (E) The DNA copy numbers of the viral genes UL30 , UL52 and UL54 in HaCaT cells infected with HSV-1 (MOI=0.1) and subsequently treated with either JD-02 (1 μ M) or U0126 (10 μ M) for 24 h, were quantified using reverse transcription-quantitative PCR. (F) Western blot analysis of viral proteins (gB, ICP0 and ICP27), ERK and p-ERK expression in HaCaT cell infected with HSV-1 (MOI=0.1) and treated with U0126 for indicated concentration. (G) Western blot analysis of UL30 overexpression in HaCaT cells treated with U0126. Data are presented as the mean ± SD (n=3). * P<0.05, ** P<0.01, *** P<0.01 and **** P<0.0001 compared with the HSV-1 group. HSV, Herpes Simplex Virus; MOI, multiplicity of infection; N.C., negative control; siRNA, small interfering RNA; p-, phosphorylated.
Article Snippet: These primary antibodies included ICP0 (1:1,000; cat. no. ab6513; Abcam), ICP27 (1:1,000; cat. no. ab53480; Abcam), gD (1:1,000; cat. no. ab6507; Abcam), gB (1:500; cat. no. sc-56987; Santa Cruz Biotechnology, Inc.), Raf-B (1:500; cat. no. sc-166; Santa Cruz Biotechnology, Inc.), p-BRAF (1:1,000; cat. no. 2696T; Cell Signaling Technology, Inc.), ERK (1:1,000; cat. no. 4695S; Cell Signaling Technology, Inc.), p-ERK (1:1,000; cat. no. 4370S; Cell Signaling Technology, Inc.), MEK1/2 (1:1,000; cat. no. AF6385; Affinity Biosciences), p-MEK1/2 (1:1,000; cat. no. 9154T; Cell Signaling Technology, Inc.), Flag (1:1,000; cat. no. 14793S; Cell Signaling Technology, Inc.), HA (1:1,000; cat. no. 3724S; Cell Signaling Technology, Inc.).
Techniques: Western Blot, Infection, Concentration Assay, Transfection, Expressing, Reverse Transcription, Real-time Polymerase Chain Reaction, Over Expression, Virus, Negative Control, Small Interfering RNA
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