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Published on: October 17, 2019
[The antiblastic properties of reumycin (experimental research)]
Abstract:
The work deals with the results of study of the antineoplastic activity of a Soviet produced antineoplastic antibiotic reumycin in relation to 35 glial tumors of various degrees of malignancy in primary cultures and in heterotransplantation under the capsule of kidneys in mice. In tissue cultures 71.5% of gliomas were sensitive to reumycin, in the subcapsular test 75% of tumors proved to be reumycin sensitive with fluctuations of inhibited growth of heterotransplants within a range of 27-75%. Among the reumycin resistant tumors, the cultures of one of the glioblastomas showed stimulation of proliferation, which justifies the necessity for testing the individual sensitivity of the tumor to reumycin in each concrete patient.
Insights
Reumycin demonstrated significant antineoplastic activity against most gliomas in vitro and in vivo. Individual tumor sensitivity testing is crucial due to variable responses, including proliferation stimulation in some resistant glioblastomas.
Area of Science:
- Oncology
- Pharmacology
- Antibiotics
Context:
- Investigating the efficacy of Soviet-produced reumycin, an antineoplastic antibiotic.
- Evaluating reumycin's activity against 35 glial tumors of varying malignancy.
- Utilizing primary cultures and heterotransplantation models in mice.
Purpose:
- To assess the antineoplastic potential of reumycin against glial tumors.
- To determine the sensitivity of different glioma types to reumycin.
- To identify potential resistance mechanisms and variable responses.
Summary:
- Reumycin showed sensitivity in 71.5% of gliomas in tissue cultures.
- In vivo heterotransplantation tests revealed 75% reumycin sensitivity.
- A notable finding was proliferation stimulation in one glioblastoma culture among resistant tumors.
Impact:
- Highlights the need for personalized patient treatment strategies.
- Suggests that individual tumor sensitivity testing for reumycin is essential.
- Provides data on reumycin's efficacy and limitations in glioma treatment.
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