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Tag: "killing" at biology news

Decoding protein structures helps illuminate cause of diabetes

... sharp fibers that poke holes in pancreatic cells, killing them. Though scientists already have a good idea of the healthy "before" and dangerous "after" hIAPP structures, the steps in between remain somewhat of a mystery and may hold clues to what drives the transition, says UW-Madison chemistry profes...

Female-led infanticide in wild chimpanzees

...d Pom, a mother-daughter duo who cooperated in the killing and cannibalization of at least two infant offspring of other females. In the absence of significant additional evidence for such behavior among female chimpanzees, speculation had been that female-led infanticide represented pathological behavior, o...

Dealing deadly cancers a knockout punch

...more effective than cisplatin or reovirus alone at killing melanoma cancer cells in a mouse model. The inves...s. Normal cells are not harmed. In addition to killing cancer cells directly, reovirus is believed to activate an anti-tumor immune response through the bo...

Simple home spit test to spot deadly pre-eclampsia

...sia is also a leading cause of maternal mortality, killing one woman globally every six seconds, according to the UK's Action on Pre-eclampsia (APEC). Earlier detection and intervention could save lives. Standard blood pressure and urine tests are unreliable, and there is a lot of scope for "user error", ...

Ice Age extinction claimed highly carnivorous Alaskan wolves

...her, these features suggest a wolf specialized for killing and consuming relatively large prey, and also possibly habitual scavenging,” Leonard said. Chemical analyses of the bones back up this conclusion. Carbon and nitrogen isotope values of the Alaskan wolf bones are intermediate between those of poten...

Ancient DNA traces the woolly mammoth's disappearance

...es, even if humans might have been responsible for killing off the small, terminal populations that were left.” Barnes, along with Dr. Adrian Lister of the University College London and the Natural History Museum in London and others, had earlier found evidence that bison, bears, and lions underwent major...

Study shows big power of small RNAs, not just proteins, in halting cancer

... to best engage the p53 pathway to treat cancer by killing tumor cells,” said He. ...

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