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Category Archives: Medicine
Semi-retired cells repair our damaged hearts
Repairing or replacing damaged cells keeps our organs in tip top working condition. For a long time, we thought that only the incredibly rare stem cells in adult organs were able to create brand new cells to replace injured ones … Continue reading
Posted in Medicine, Science
Tagged cardiomyocyte, cell cycle, damage, healing, heart, heart attack, hepatocyte, liver, myocardial infarction, nitrogen 15, proliferation, stem cell, thymidine, tissue repair
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24 hours in the life of HIV
Human immunodeficiency virus, or HIV, only emerged in humans relatively recently, yet already represents a big public health threat. When HIV enters the human body, often through sexual contact or the sharing of needles between drug users, it shows a … Continue reading
Posted in Disease, Medicine, Microorganisms, Science, Viruses
Tagged AIDS, CD4+, HIV, human immunodeficiency virus, life cycle, particle, replication, T cell, virus
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Zinc takes the sting out of jellyfish venom
For me, there are three extremely good reasons never to go to Australia – huge furry-bodied poisonous spiders, venomous lightning fast snakes and sharks with great mouthfuls of serrated teeth. After reading a recent article, I am now happy to … Continue reading
Posted in Marine, Medicine, Science
Tagged australian box jellyfish, Chironex fleckeri, cubozoan, haemoglobin, porin, posion, potassium, red blood cell, sting, tentacle, venom, zinc, zinc gluconate
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