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genetics

Light micrograph of a section through the spleen of a patient with Gaucher's disease. Small lymphocytes and large macrophage cells (Gaucher?s cells, pink, a type of white blood cell) are present. Gaucher's disease is an inherited metabolic disorder in which a fatty substance called glucocerebroside accumulates in the spleen (in macrophages), lungs, liver and bone marrow, and sometimes the brain. This is due to an absence of the enzyme glucocerebrosidase (GC). The disease appears in childhood, and some forms are fatal in the first few years. Other forms cause enlargement of the affected organs, weak and painful bones and anaemia. Some forms also cause severe nervous system damage. There is no cure, but enzyme replacement therapy using GC can relieve the symptoms. Haematoxylin-eosin saffron (HES) stain. Magnification: x400 at 24x36 mm size.

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Genes for Gaucher disease may have protected Jewish people against TB

Gaucher disease, a genetic condition that is more common in Ashkenazi Jewish people, may confer protection against tuberculosis, according to research in zebrafish

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Wine bottle and wine Glass

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Why gene variant impairing alcohol breakdown raises heart disease risk

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Electron microscope image of SARS-CoV-2 coronavirus particles

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Genetic tracking scheme for viruses could warn of dangerous outbreaks

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Genetics may influence the risk of pre-eclampsia or high blood pressure in pregnancy

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Pre-eclampsia and hypertension in pregnancy linked to 19 gene variants

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DNA

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Parasitic DNA makes us age faster - but we're not sure why

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X-ray of feet affected by gout

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Gout linked to 376 genetic variants in a study of 2.6 million people

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Visualizing inferred human ancestral lineages over time and space. Each line represents an ancestor-descendant relationship in our inferred genealogy of modern and ancient genomes. The width of a line corresponds to how many times the relationship is observed, and lines are colored on the basis of the estimated age of the ancestor.

Humans

A family tree of humanity released in 2022 shows how we're all related

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The surprising origin of sprouts, the vegetable we either love or hate

Environment

The surprising origin of sprouts, the vegetable we either love or hate

Features

Amyloid plaques forming between neurons. Beta-amyloid protein disrupting nerve cells function in a brain with Alzheimer's disease

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Alzheimer’s disease progression slowed using CRISPR technique in mice

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Genetic variants may influence the likelihood we will smoke or drink alcohol

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Thousands of genetic variants may influence smoking and alcohol use

In a study of nearly 3.4 million people, almost 4000 genetic variants were linked to how much alcohol a person drinks a week, the age some start smoking and whether they quit the habit

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Life

DNA from 2 million years ago is the oldest ever recovered

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Life

'Unselfish' genes that make plants cooperate could boost crop yields

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Life

A rat without a Y chromosome could be a glimpse of our genetic future

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Humans

The hunt for the lost ancestral language of Europe and southern Asia

Features

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