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15:32, April 26 ESCMID: New method of purifying the air with ultraviolet light could protect world from new pandemic
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08:43, April 26 Enzymes that convert different blood groups into first group are discovered
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19:41, April 25 Children’s Hospital Los Angeles and International Center of Professional Development Allergy/Immunology Conference
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17:31, April 25 JAMA: patient grew long, curly eyelashes because of chemotherapy
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11:08, April 25 Mpox epidemic declared in Republic of the Congo
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08:31, April 25 OU: quitting smoking 4 times more likely to cure laryngeal cancer
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01:20, April 25 Paralyzed man in China writes hieroglyphs using neural implants placed in his brain
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15:11, April 24 Zombie deer disease possibly linked to hunters’ deaths
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12:27, April 23 Appetite: Scientists found out the secret to the appeal of large portions of fast food
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10:33, April 23 Scientists test new approach to fighting viruses
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08:38, April 23 Ketamine may help with postpartum depression
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22:12, April 22 Unhealthy amount of sugar found in baby food products of a well-known brand
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19:41, April 22 Air pollution puts health of more than 1.6 billion workers globally at risk
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17:25, April 22 Scientists found baked goods and lack of sleep to be more dangerous than alcohol
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16:02, April 22 342 cases of measles recorded in Armenia so far in 2024
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Nature: mouth bacteria found in half of intestinal tumours
Half of patients with colorectal (colon and rectal) cancer have elevated numbers of the bacterium Fusobacterium ucleatum. A test for this microbe could be useful in screening and treating tumours, say the authors of a paper in Nature.
Fusobacterium ucleatum is commonly found in the mouth. Analysis of tumours from 200 patients showed that this bacterium in colorectal cancer can move into the colon and grow inside the tumour. This was made possible by 195 new genetic features that allowed the bacterium to survive the acidic environment of the stomach and gain a foothold in the intestine.
The microbe was found in half of the tumour samples. In addition, patients with this bacterium in their tumours had lower survival rates and responded worse to treatment.
A test for the abundance of this bacterium could be a screening tool for colorectal cancer, and could also better predict a patient's chances of cure. It is also possible that drugs aimed at killing the microbe could improve the survival rate of patients with bowel cancer.
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