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Microbe Hunters

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A fungus found on the skin and scalp of humans and animals may drive pancreatic cancer. A study published in Nature last month found that the fungus, a yeast known as Malassezia (which has also been linked to inflammatory bowel disease), can settle in the pancreas (an organ that was thought to be sterile until this decade), where fungus can proliferate 3,000 times faster than healthy tissue found in the organ. The rapid proliferation of Malassezia appears to fuel the growth of cancer tumors in the pancreas based on the study’s findings. To confirm the migration of fungi to the pancreas and its role in cancer tumor growth, scientists injected mice with fungi illuminated with a green fluorescent protein. In just minutes, the fungi travelled from the digestive tract to the pancreas. Scientists also observed that Malassezia was abundant in both mice and humans who developed pancreatic cancer. In mice,…