Thiothinone (βk-MPA)


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Thiothinone (βk-MPA)


Thiothinone (βk-MPA) is a synthetic compound that belongs to the class of alkylating agents. It is commonly used as a chemotherapy drug in the treatment of various cancers, including breast cancer, lung cancer, and bladder cancer. Thiothinone works by inhibiting the enzyme thymidylate synthase, which is essential for the synthesis of thymidine, a building block of DNA. By inhibiting thymidylate synthase, thiothinone disrupts the DNA production process, leading to cell death in cancer cells.

Mechanism of Action

Thiothinone acts by inhibiting thymidylate synthase, an enzyme that catalyzes the conversion of dUMP to dTMP in the pyrimidine synthesis pathway. This inhibition prevents the synthesis of thymidine, an essential component of DNA. As a result, the DNA replication process is disrupted, leading to cell death in cancer cells.

Clinical Use

Thiothinone has been investigated as a chemotherapy drug for the treatment of various cancers. It is typically administered in combination with other chemotherapeutic agents to enhance its efficacy and mitigate any potential side effects. The most common combination therapies include thiothinoine with doxorubicin (Adriamycin) and cyclophosphamide (Cytoxan), which are used to treat breast cancer and non-small cell lung cancer, respectively.

Side Effects

While thiothinone is an effective chemotherapy drug, it is often associated with certain side effects. These side effects vary depending on the dosage and frequency of administration. Common side effects of thiothinone include nausea, vomiting, hair loss, fatigue, bone marrow suppression, and mouth sores. Additionally, patients may experience an increased risk of infections and bleeding due to the weakened immune system.


Thiothinone (βk-MPA) is a synthetic alkylating agent that finds application as a chemotherapy drug. Its mechanism of action involves inhibiting the enzyme thymidylate synthase, which disrupts the DNA production process in cancer cells. Thiothinone has shown promise in the treatment of various cancers, particularly breast cancer and non-small cell lung cancer. However, its use is limited due to the potential for significant side effects. Future research is focused on identifying alternative therapies that can effectively target cancer cells while minimizing adverse effects.

Additional information


10 Gram, 25 Grams, 50 Grams, 100 Grams, 250 Grams, 500 Grams, 1000 Gram


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