Date published: 2026-5-30

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KSHV ORF 45 Activators

Open Reading Frame 45 (ORF45) is a viral protein encoded by the Kaposi's sarcoma-associated herpesvirus (KSHV), also known as human herpesvirus 8 (HHV-8). KSHV is the causative agent of Kaposi's sarcoma, a type of cancer that most commonly affects individuals with impaired immune systems, such as people living with HIV/AIDS.ORF45 is a tegument protein, meaning it resides in the space between the viral envelope and the capsid in mature viral particles. Tegument proteins play crucial roles in the virus life cycle, including virus assembly, virion transport, and modulation of host immune responses.

ORF45 is known to interact with several host proteins and plays a role in inhibiting the host's antiviral response. One key interaction is with the Interferon Regulatory Factor 7 (IRF7), a protein that is critical for the production of type I interferons, a group of molecules that are vital for antiviral defense. By binding to and inhibiting the activity of IRF7, ORF45 can suppress the host's interferon-mediated immune response, aiding the virus in evading the immune system.Moreover, ORF45 has been found to interact with other viral proteins, contributing to virus assembly and egress. However, the full spectrum of ORF45's functions and interactions is not completely understood.In summary, KSHV ORF45 is a viral protein that plays several roles in the virus life cycle, including immune evasion and virus assembly.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

(±)-JQ1

1268524-69-1sc-472932
sc-472932A
5 mg
25 mg
$231.00
$863.00
1
(0)

JQ1, a BET bromodomain inhibitor, may indirectly influence ORF 45 by altering transcriptional regulation in infected cells, potentially affecting viral replication.

Valproic Acid

99-66-1sc-213144
10 g
$87.00
9
(1)

Valproic Acid, a histone deacetylase inhibitor, could affect ORF 45 activity indirectly by changing gene expression patterns, influencing viral replication and host immune response.

Suberoylanilide Hydroxamic Acid

149647-78-9sc-220139
sc-220139A
100 mg
500 mg
$133.00
$275.00
37
(2)

Vorinostat, another histone deacetylase inhibitor, might influence ORF 45 by modulating the expression of genes involved in immune response and viral replication.

Disulfiram

97-77-8sc-205654
sc-205654A
50 g
100 g
$53.00
$89.00
7
(1)

Disulfiram, known for its use in alcohol dependence, can impact ORF 45 indirectly through its NF-κB inhibitory effects, potentially affecting viral replication and immune modulation.

Ivermectin

70288-86-7sc-203609
sc-203609A
100 mg
1 g
$57.00
$77.00
2
(2)

Ivermectin, an antiparasitic agent, might impact ORF 45 indirectly through its proposed inhibition of importin α/β-mediated nuclear transport, affecting viral protein function.

Curcumin

458-37-7sc-200509
sc-200509A
sc-200509B
sc-200509C
sc-200509D
sc-200509F
sc-200509E
1 g
5 g
25 g
100 g
250 g
1 kg
2.5 kg
$37.00
$69.00
$109.00
$218.00
$239.00
$879.00
$1968.00
47
(1)

Curcumin, from turmeric, could affect ORF 45 indirectly by modulating immune response pathways and cellular factors involved in viral replication.

Resveratrol

501-36-0sc-200808
sc-200808A
sc-200808B
100 mg
500 mg
5 g
$80.00
$220.00
$460.00
64
(2)

Resveratrol, a natural phenol, may influence ORF 45 activity indirectly through its effects on cellular signaling pathways and immune responses.

Chloroquine

54-05-7sc-507304
250 mg
$69.00
2
(0)

Chloroquine, an antimalarial drug, might influence ORF 45 by altering endosomal acidification, which can impact viral entry and replication processes.

hydroxychloroquine

118-42-3sc-507426
5 g
$57.00
1
(0)

Hydroxychloroquine, similar to Chloroquine, may indirectly affect ORF 45 by modulating endosomal processes and immune responses relevant to viral infection.

Azithromycin

83905-01-5sc-254949
sc-254949A
sc-254949B
sc-254949C
sc-254949D
25 mg
50 mg
500 mg
1 g
5 g
$52.00
$103.00
$260.00
$364.00
$728.00
17
(1)

Azithromycin, an antibiotic, could indirectly influence ORF 45 through its immunomodulatory effects, potentially affecting the viral lifecycle and host immune response.