DNMT3a

Biomarker

2 papers

  • Animals2

Latest

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JACC CardioOncology

Heart health linked to lower coronary risk in mutation carriers

A standard-deviation score increase was linked to coronary disease hazard ratios (relative event rates) of 0.74 in mutation carriers versus 0.68 in noncarriers.A standard-deviation score increase was linked to coronary disease hazard ratios (relative event rates) of 0.74 in mutation carriers versus 0.68 in noncarriers.

Cohort study of 427,295 UK Biobank participants, median 13.6-year follow-upPopulations

Limit: Coronary risk reduction from actively improving cardiovascular health scores was not measured

The Journal of Clinical Investigation

Dead-cell clearance linked to tissue repair in mice

A commentary discussed evidence that an enzyme activated during dead-cell clearance helped tissue repair as artery plaques regressed in a mouse model.A commentary discussed evidence that an enzyme activated during dead-cell clearance helped tissue repair as artery plaques regressed in a mouse model.

Study of mice with atherosclerosisMechanisms

Limit: Cardiovascular-event reduction was proposed as a therapeutic goal, rather than measured

Nature Communications

TET2 loss alters DNA copying during drug treatment in cells

Lab experiments showed that Olaparib treatment lengthened copied DNA tracts, increased DNA breaks and heightened drug sensitivity in cells lacking TET2, but not DNMT3A.Lab experiments showed that Olaparib treatment lengthened copied DNA tracts, increased DNA breaks and heightened drug sensitivity in cells lacking TET2, but not DNMT3A.

Experiments in laboratory-grown cells, against cells lacking DNMT3ATET2

Limit: The proposed sequence from damaged DNA sites to breaks remains a theoretical model

medRxiv

Blood mutations skew pooled human cancer mutation data

For one gene involved in DNA modification, 52.8% of patients flagged as carrying a mutation had no tumour-derived mutation in that gene.For one gene involved in DNA modification, 52.8% of patients flagged as carrying a mutation had no tumour-derived mutation in that gene.

Preprint: computational studyMechanisms
Nature Communications

Blood stem-cell mutations linked to serious bacterial infections

In an analysis of 889,215 people, clonal blood mutations were associated with serious bacterial infections, with a hazard ratio of 1.22.In an analysis of 889,215 people, clonal blood mutations were associated with serious bacterial infections, with a hazard ratio of 1.22.

Cohort study of 889,215 peopleMechanisms
HemaSphere

Blood-cell mutation patterns linked to cancer progression

A yearly rise of at least 7.5% in mutated gene copies’ share best predicted cancer progression among patients with unexplained low counts of certain white blood cells.A yearly rise of at least 7.5% in mutated gene copies’ share best predicted cancer progression among patients with unexplained low counts of certain white blood cells.

Cohort study of 256 peopleBiomarkers
bioRxiv

TET deficiency drives selection of aneuploid cells in mice

In mice and mouse cells, disrupting TET enzymes allowed rare pre-existing aneuploid subclones, including chromosome 17 trisomy, to dominate during rapid cellular…In mice and mouse cells, disrupting TET enzymes allowed rare pre-existing aneuploid subclones, including chromosome 17 trisomy, to dominate during rapid cellular expansion.

Preprint: experiments in miceMechanisms