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DNase is known to hold anti-tumor effects due to its ability to break down DNA. High levels of DNA are found to be in cancer patients' blood, suggesting that DNase I might be a possible treatment. There is still a lack of understanding as to why there are such high levels of ecDNA and whether or not DNase will act as an effective treatment.
Deoxyribonuclease I (usually called DNase I), is an endonuclease of the DNase family coded by the human gene DNASE1. [5] DNase I is a nuclease that cleaves DNA preferentially at phosphodiester linkages adjacent to a pyrimidine nucleotide, yielding 5'-phosphate-terminated polynucleotides with a free hydroxyl group on position 3', on average producing tetranucleotides.
At sufficient concentrations, DNase I is capable of digesting nucleosome-bound DNA to 10bp, whereas micrococcal nuclease cannot. [17] Additionally, DNase-seq is used to identify DHSs, which are regions of DNA that are hypersensitive to DNase treatment and are often indicative of regulatory regions (e.g. promoters or enhancers). [57]
Dornase alfa, sold under the brand name Pulmozyme, is used for the treatment of cystic fibrosis. [3] It is a recombinant human deoxyribonuclease I (rhDNase), an enzyme which selectively cleaves DNA. [3] Dornase alfa hydrolyzes the DNA present in sputum/mucus and reduces viscosity in the lungs, promoting improved clearance of secretions. [3]
A DNase footprinting assay [1] is a DNA footprinting technique used in molecular biology/biochemistry that detects DNA-protein interaction by leveraging the fact that a protein bound to DNA often protects it from enzymatic cleavage. This makes it possible to locate a protein binding site on a particular DNA molecule.
Deoxyribonuclease II (EC 3.1.22.1, DNase II, pancreatic DNase II, deoxyribonucleate 3'-nucleotidohydrolase, pancreatic DNase II, acid deoxyribonuclease, acid DNase) is an endonuclease that hydrolyzes phosphodiester linkages of deoxyribonucleotide in native and denatured DNA, yielding products with 3'-phosphates and 5'-hydroxyl ends, which occurs as a result of single-strand cleaving mechanism. [1]
The results of the new treatment have since been reported in the Lancet medical journal, showing the dramatic and “life-changing improvements” to vision from the gene therapy for all four ...
Anti-Deoxyribonuclease B (anti-DNase B) titres are a quantitative measure of the presence of serologic antibodies obtained from patients suspected of having a recent group A (Beta-hemolytic) streptococcus bacteria infection, from Streptococcus pyogenes.