Methisazone (

USAN 280px, "Samguk Sagi" Book 04. Silla's Records. In 512, Usan-guk（于山國）was Ulleungdo（鬱陵島） Usan-guk, or the State of Usan, occupied Ulleung-do and the adjacent islands during the Korean Three Kingdoms period. According to th ...

) or metisazone (

INN Inns are generally establishments or buildings where travelers can seek lodging, and usually, food and drink. Inns are typically located in the country or along a highway; before the advent of motorized transportation they also provided accommo ...

)Aromatic thiosemicarbazones, their antiviral action and interferon. 1. The decreasing of adenovirus type 1 resistance against interferon by methisazone in vitro
Yuriy V. Patskovsky*, Emma N. Negrebetskaya, Alexandra A. Chernomaz, Tamara P. Voloshchuk, Eugeniy L. Rubashevsky, Oleg E. Kitam, Mikhail I. Tereshchenko, Lidiya N. Nosach, Anatoliy I. Potopalsky is an

antiviral drug Antiviral drugs are a class of medication used for treating viral infections. Most antivirals target specific viruses, while a broad-spectrum antiviral is effective against a wide range of viruses. Unlike most antibiotics, antiviral drugs do n ...

that works by inhibiting

mRNA In molecular biology, messenger ribonucleic acid (mRNA) is a single-stranded molecule of RNA that corresponds to the genetic sequence of a gene, and is read by a ribosome in the process of Protein biosynthesis, synthesizing a protein. mRNA is ...

and

protein synthesis Protein biosynthesis (or protein synthesis) is a core biological process, occurring inside Cell (biology), cells, homeostasis, balancing the loss of cellular proteins (via Proteolysis, degradation or Protein targeting, export) through the product ...

, especially in pox viruses. During trials in the 1960s it showed promising results against

smallpox Smallpox was an infectious disease caused by variola virus (often called smallpox virus) which belongs to the genus Orthopoxvirus. The last naturally occurring case was diagnosed in October 1977, and the World Health Organization (WHO) c ...

infection, but widespread use was considered logistically impractical in the developing countries facing smallpox cases, and it saw only limited use. In developed countries able to cope with the logistic challenge, treatment of smallpox could be achieved just as effectively with

immunoglobulin therapy Immunoglobulin therapy is the use of a mixture of antibodies (normal human immunoglobulin or NHIG) to treat several health conditions. These conditions include primary immunodeficiency, immune thrombocytopenic purpura, chronic inflammatory de ...

, without the severe nausea associated with metisazone. Methisazone has been described as being used in prophylaxis since at least 1965. The condensation of N-methyl

isatin Isatin, also known as tribulin, is an organic compound derived from indole with formula C8H5NO2. The compound was first obtained by Otto Linné Erdman and Auguste Laurent in 1840 as a product from the oxidation of indigo dye by nitric acid and ...

with

thiosemicarbazide Thiosemicarbazide is the chemical compound with the formula H2NC(S)NHNH2. A white, odorless solid, it is related to thiourea (H2NC(S)NH2) by the insertion of an NH center. They are commonly used as ligands for transition metals. Many thiosemicar ...

leads to methisazone.

References

Antiviral drugs Thioureas Indolines Lactams Thiosemicarbazone Oxindoles {{antiinfective-drug-stub