Error-correcting mechanisms are very important for cells, because with all the cellular activity constantly going on, malfunctions arise all the time. But when it comes to killing cancer cells, it is in the cells' best interest ...
Jan 27, 2023
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95
The outer layer of the human brain (the cerebral cortex), characterized by its distinctive gyri and sulci (those distinctive ridges and furrows), controls cognitive and executive function, from conscious thought to speech ...
Jan 18, 2023
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151
Hunting for disease clues in the dark matter of our DNA, scientists have reconstructed the chromosomes of patients with an extremely high number of aberrations in their genome that could alter the expression of nearby genes ...
Jan 18, 2023
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19
Twenty years ago, after the human genome was first sequenced, geneticists began conducting large genome-wide association studies to identify genomic regions linked to human disease. In addition to DNA sequence, another stable ...
Jan 12, 2023
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52
Scientists have identified new genetic variants linked to heart failure, according to a study published in Nature Communications.
Jan 9, 2023
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50
Genetic mutations cause hundreds of unsolved and untreatable disorders. Among them, DNA mutations in a small percentage of cells, called mosaic mutations, are extremely difficult to detect because they exist in a tiny percentage ...
Jan 3, 2023
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59
When COVID-19 arrived in the United States, it was all hands on deck. The country's brightest scientific minds dropped whatever they were doing to join the effort against SARS-CoV-2, developing novel vaccines and treatments ...
Dec 20, 2022
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9
People vary widely in how we think and behave and in our vulnerability to disease, and that variation can be traced at least in part to our brains. Yet scientists don't know how healthy brains vary from one individual to ...
Dec 16, 2022
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5
If humans are ever going to be able to regrow damaged tissues the way lizards and fish routinely do, it will require the precise control of gene expression in time and place—otherwise you might end up with random cells ...
Dec 13, 2022
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76
Infectious diseases are some of the strongest selective pressures in human evolution, selecting for genetic variants that increase resistance to infection. In the face of a pandemic, resistance to the disease undergoes strong ...
Dec 8, 2022
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