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In contrast, only one known non-wild type species, Streptomyces peucetius subspecies caesius ATCC 27952, was initially found to be capable of producing the more widely used doxorubicin. [1] This strain was created by Arcamone et al. in 1969 by mutating a strain producing daunorubicin, but not DXR, at least in detectable quantities. [2]
Doxil has lower maximum tolerable dose (MTD) at 50 mg/m 2 every 4 weeks compared to free doxorubicin at 60 mg/m 2 every 3 weeks. [37] Despite this, the maximum cumulative dose for Doxil is still higher compared to doxorubicin due to its cardioprotective characteristics.
Currently, there are four main anthracyclines in medical use: Doxorubicin; Daunorubicin (doxorubicin precursor) Epirubicin (a doxorubicin stereoisomer) Idarubicin (a daunorubicin derivative) [17] Idarubicin is able to pass through cell membranes easier than daunorubicin and doxorubicin because it possesses less polar subunits, making it more ...
Doxorubicin, sold under the brand name Adriamycin among others, is a chemotherapy medication used to treat cancer. [10] This includes breast cancer, bladder cancer, Kaposi's sarcoma, lymphoma, and acute lymphocytic leukemia. [10] It is often used together with other chemotherapy agents. [10] Doxorubicin is given by injection into a vein. [10]
Example of uses, and other notes 7+3, also known as DA or DAC in case of daunorubicin, or IA or IAC in case of idarubicin use 7 days of Ara-C plus 3 days of an anthracycline antibiotic, either daunorubicin (DA or DAC variant) or idarubicin (IA or IAC variant) Acute myelogenous leukemia, excluding acute promyelocytic leukemia: ABVD
Among the anthracyclines, doxorubicin and daunorubicin were the first, and were obtained from the bacterium Streptomyces peucetius. [63] Derivatives of these compounds include epirubicin and idarubicin. Other clinically used drugs in the anthracycline group are pirarubicin, aclarubicin, and mitoxantrone. [64]
Use in pregnancy may harm the fetus. [2] Daunorubicin is in the anthracycline family of medication. [3] It works in part by blocking the function of topoisomerase II. [2] Daunorubicin was approved for medical use in the United States in 1979. [2] It is on the World Health Organization's List of Essential Medicines. [4]
Streptomyces isolates have yielded the majority of human, animal, and agricultural antibiotics, as well as a number of fundamental chemotherapy medicines.Streptomyces is the largest antibiotic-producing genus of Actinomycetota, producing chemotherapy, antibacterial, antifungal, antiparasitic drugs, and immunosuppressants. [1]