C0008269 - A 4-aminoquinoline with antimalarial, anti-inflammatory, and potential chemosensitization and radiosensitization activities. Although the mechanism is not well understood, chloroquine is shown to inhibit the parasitic enzyme heme polymerase that converts the toxic heme into non-toxic hemazoin, thereby resulting in the accumulation of toxic heme within the parasite. This agent may also interfere with the biosynthesis of nucleic acids. Chloroquine's potential chemosensitizing and radiosensitizing activities in cancer may be related to its inhibition of autophagy, a cellular mechanism involving lysosomal degradation that minimizes the production of reactive oxygen species (ROS) related to tumor reoxygenation and tumor exposure to chemotherapeutic agents and radiation. 2/10
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Terms, descriptions
CUI    C0008269
RussianMedical Subject Headings Russian D002738 L3375391preferred S3902884 Y ХЛОРОХИН
RussianMedical Subject Headings Russian D002738 L0896661no S1100478 Y KHLOROKHIN
RussianMedical Subject Headings Russian D002738 L1526051no S1821960 Y KHINGAMIN
RussianMedical Subject Headings Russian D002738 L3375186no S3902679 Y ХИНГАМИН
Medical Subject Headings A0038279 AT38146847 The prototypical antimalarial agent with a mechanism that is not well understood. It has also been used to treat rheumatoid arthritis, systemic lupus erythematosus, and in the systemic therapy of amebic liver abscesses.
(CPTSP) CRISP Thesaurus A0475992 AT51224448 antiamebic and antimalarial; chloroquine phosphate is also listed by USP as a suppressant of lupus erythematosus.
NCI Thesaurus A12802140 AT198106707 A 4-aminoquinoline with antimalarial, anti-inflammatory, and potential chemosensitization and radiosensitization activities. Although the mechanism is not well understood, chloroquine is shown to inhibit the parasitic enzyme heme polymerase that converts the toxic heme into non-toxic hemazoin, thereby resulting in the accumulation of toxic heme within the parasite. This agent may also interfere with the biosynthesis of nucleic acids. Chloroquine's potential chemosensitizing and radiosensitizing activities in cancer may be related to its inhibition of autophagy, a cellular mechanism involving lysosomal degradation that minimizes the production of reactive oxygen species (ROS) related to tumor reoxygenation and tumor exposure to chemotherapeutic agents and radiation.