Inhibition of invasive properties of murine melanoma by bovine pancreatic DNase I in vitro and in vivo

Inhibition of invasive properties of murine melanoma by bovine pancreatic DNase I in vitro and in... After a long pause, the accumulation of data on the involvement of tumor-specific DNA and extracellular DNA in metastasis has again placed enzymes with deoxyribonuclease activity in the focus of the search for antitumor and antimetastatic drugs. In this work, the ability of bovine pancreatic DNase I to reduce the invasive potential of B16 melanoma has been investigated in vitro and in vivo. It was found that DNase I had a cytotoxic effect on B16 melanoma cells (IC50 ≈ 104 U/mL). At the same time, significantly lower doses of DNase I (102–103 U/mL) inhibited the migratory activity of melanoma cells in vitro, causing a decrease in the distance of cell front migration and in the area of scratch healing 48 h after the enzyme addition, as well as reducing the rate of cell migration. In mice with B16 metastatic melanoma, intramuscular administration of DNase I in the dose range of 0.12–1.20 mg/kg resulted in a two-to threefold decrease in the number of surface lung metastases and caused nonspecific antigenic immune stimulation. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Molecular Biology Springer Journals

Inhibition of invasive properties of murine melanoma by bovine pancreatic DNase I in vitro and in vivo

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Publisher
Springer Journals
Copyright
Copyright © 2017 by Pleiades Publishing, Inc.
Subject
Life Sciences; Life Sciences, general; Biochemistry, general; Human Genetics
ISSN
0026-8933
eISSN
1608-3245
D.O.I.
10.1134/S0026893317040021
Publisher site
See Article on Publisher Site

Abstract

After a long pause, the accumulation of data on the involvement of tumor-specific DNA and extracellular DNA in metastasis has again placed enzymes with deoxyribonuclease activity in the focus of the search for antitumor and antimetastatic drugs. In this work, the ability of bovine pancreatic DNase I to reduce the invasive potential of B16 melanoma has been investigated in vitro and in vivo. It was found that DNase I had a cytotoxic effect on B16 melanoma cells (IC50 ≈ 104 U/mL). At the same time, significantly lower doses of DNase I (102–103 U/mL) inhibited the migratory activity of melanoma cells in vitro, causing a decrease in the distance of cell front migration and in the area of scratch healing 48 h after the enzyme addition, as well as reducing the rate of cell migration. In mice with B16 metastatic melanoma, intramuscular administration of DNase I in the dose range of 0.12–1.20 mg/kg resulted in a two-to threefold decrease in the number of surface lung metastases and caused nonspecific antigenic immune stimulation.

Journal

Molecular BiologySpringer Journals

Published: Aug 23, 2017

References

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