https://safirsoft.com It's not just humans who get cancer, wild mammals are also at risk
Researchers gain insight into mammalian cancer after examining 110,000 cases, but humans are not alone in this. Many different types can be infected - some more than others. By studying these species and their natural defenses (or their absence), we can learn new ways to combat disease.
New research shows a comprehensive cancer study shows that many mammals can actually develop cancer. To gain insight, the team reviewed records of 110,148 animals of 191 species who had died in the zoo. The data came from Species360, an international non-profit organization that collects and standardizes this data from zoos around the world, according to Ursulia Finch, a researcher at the Center for Environmental Research in Hungary and one of the authors. He told Ars that using the data collected by the organization, the research team can "gather information about why the animals died."

Taken in 2010. He said that because before that, the records weren't good. In addition, the team only studied animals in zoos because it is difficult to gather this kind of information from species found in nature. "Animals that get cancer in their native places are also more likely to be hunted or starve to death. They die sooner," Winch said. "You know when they died and you know why they died." The only exceptions - according to the data - are the Black Buck (a mountain goat) and the Patagonian Mara (a rodent). The data included data from 196 and 213 of those species, respectively. Advertising

But carnivores were particularly susceptible to cancer, for example, more than a quarter of cloud leopards, bat-eared foxes and wolves. Al-Ahmar died of cancer, and Vinces says there are hypotheses as to why this happened.

For example, carnivores have a different microbiome than other animal species, which can be a problem. Since a community rich in microorganisms can help you reduce cancer, carnivores, especially those in captivity, have a limited range, and a lack of physical activity can play a role as well. Like most carnivorous mammals - it can contain bacteria or other germs that can increase the risk of cancer, for example, raw meat. Cattle can carry the bovine leukemia virus, which some studies have shown can increase a person's chances of developing breast cancer. Overall, though, Finches said more research is needed.

The larger it is, the more surprising it is that the size of the animals is associated with the risk of developing cancer. Cancerous mutations usually occur when cells divide. In theory, a large, long-lived animal should have more cell division than a small animal and, therefore, should be more likely to develop cancer. According to Winches, this is observed in dogs and humans - usually the larger organs of both species are more susceptible to cancer.

However, the larger species are not particularly at risk for disease. A phenomenon called blanket paradox. According to Vincis, this is probably because this species has evolved ways to fight cancer in its genetic past. By studying the mechanisms by which these large species suppress cancer, we can find ways to combat the disease. “By studying why the incidence of disease is higher in some species, we can learn more about it in general.

“We can really study and identify the molecular mechanisms,” he said. . Nature, 2021. DOI: 10.1038/s41586-021-04224-5 (about DOIs). p>



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