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Genetic data show mainly men migrated from the Pontic steppe to Europe 5,000 years ago

21 February, 2017 - Uppsala universitet

A new study, looking at the sex-specifically inherited X chromosome of prehistoric human remains, shows that hardly any women took part in the extensive migration from the Pontic-Caspian Steppe approximately 5,000 years ago. The great migration that brought farming practices to Europe 4,000 years earlier, on the other hand, consisted of both women and men.

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Cytotoxic immune cell in sick and healthy skin a key to understanding vitiligo

20 February, 2017 - Karolinska Institutet

With the aid of thousands of skin biopsies and over a hundred kilograms of skin, researchers at Karolinska Institutet have observed how two subgroups of immune cell behave in healthy skin. This functional dichotomy is preserved in the inflammatory diseases psoriasis and vitiligo. The study, which is published in the journal Immunity, opens the way for more targeted local treatments for patchy inflammatory skin disorders.

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Body and brain timing can be trained

20 February, 2017 - Umeå universitet

Good timing is vital in many situations of daily life, but is rarely something we consider. In a new dissertation from Umeå University, Olympia Karampela shows that our ability for timing is something that can be trained and it seems to be connected with our cognitive capacity.

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Hope for new treatment for Huntington’s disease

20 February, 2017 - Karolinska Institutet

Researchers working at Karolinska Institutet and University of Southern Denmark have managed to produce short synthetic DNA analogues – oligonucleotides – that bind direct to the gene that is mutated in Huntington’s disease and prevent the production of a protein that damages the nerve cells. The Discovery, published in the journal Nucleic Acids Research, opens the way for new approaches to treating the currently untreatable and deadly neurodegenerative disease.

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New method reduces adverse effects of rectal cancer treatment

10 February, 2017 - Karolinska Institutet

A new study from Karolinska Institutet shows that short-course preoperative radiotherapy combined with delayed surgery reduces the adverse side-effects of rectal cancer surgery without compromising its efficacy. The results are presented in the journal The Lancet Oncology.

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“Snus” users run greater risk of type 2 diabetes

6 February, 2017 - Karolinska Institutet

Consuming one or more pot of “snus” – Swedish snuff or dipping tobacco – per day increases the risk of developing type 2 diabetes by 70 per cent. This is the same risk increase as previously seen for smokers who smoke one packet of cigarettes a day. The study on the effects of snus was conducted by researchers at Karolinska Institutet and their colleagues at Umeå and Lund universities, and is published in The Journal of Internal Medicine.

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More providers of safe abortion care can save thousands of women’s lives

1 February, 2017 - Karolinska Institutet

A change in attitudes, increased knowledge and more non-physician healthcare providers trained to perform safe abortions – this is the recipe for increasing the number of caregivers offering abortion care and fighting global maternal mortality, according to a doctoral thesis from Karolinska Institutet on abortion care in India, Sweden and elsewhere. Unsafe terminations claim tens of thousands of lives, particularly in the poorer parts of the world.

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The secret of the supervolcano

25 January, 2017 - Uppsala universitet

Researchers have now found an explanation for what triggered the largest volcanic eruption witnessed by mankind. The volcano’s secret was revealed by geochemical clues hidden inside volcanic quartz crystals.

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Cell of origin affects malignancy and drug sensitivity of brain tumours

24 January, 2017 - Uppsala universitet

Patients with glioblastoma have very poor prognosis since there are no effective therapies. In a study published in Cell Reports, researchers at Uppsala University have discovered a correlation between the cell type from which the tumour originates and the growth and drug sensitivity of the tumour.