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People love naughty cats


In a recent study, experts found that, in fact, the relationship between a cat and a person has a positive effect on people. One ironic reason is that some cat owners enjoy it when their pets misbehave.

Cats can be little monsters, but some people love them for that. In a new study, experts looked at the psychopathic traits of domestic cats, including arrogance, meanness and disinhibition. This behavior can be annoying if a person behaves like this, but not a domestic cat.

In total, the experts conducted 3 experiments and found that owners liked it when their cats showed disinhibition, such as jumping around carelessly, and also, oddly enough, unfriendly towards other pets.

"In fact, these behaviors tend to promote more interaction and emotional closeness with the cat owner. That pet dislike showed higher quality relationships was a little unexpected for us," said researcher Rebecca Evans from the University of Liverpool.

However, cat owners disliked all psychopathic traits in cats, including arrogance and meanness, which led to negative relationships. How the owners will perceive the naughty and chaotic behavior of cats depends on their relationship.

Another reason for such love is that the cat not only improves the life of the owner, but also helps him cope with a stressful situation. A cat exhibiting excessive negative tendencies can be very distracting to the owner. It's also worth noting that people's acceptance of cats' erratic behavior may be related to how they perceive their furry.

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Blindness gene discovered 02.08.2018

Scientists from Switzerland, Pakistan and the US have "calculated" the gene responsible for childhood blindness. All the fault - pathogenic mutations in the MARK3 gene. The scientists reported the discovery in an article published in the journal Human Molecular Genetics.

Our genome consists of 20000-25000 active genes, each of which has the potential to cause some kind of disease. To date, 4 genes have been identified that are responsible for genetic abnormalities. What to expect from the remaining 141 genes is not yet known to science. And yet, one secret has recently become less. Scientists from the University of Geneva (Switzerland), in collaboration with scientists from Pakistan and the United States, have investigated a recessive genetic "disorder" that disrupts the normal development of the eye and leads to childhood blindness.

In a new study, geneticists have turned their interest to an unknown disease that prevents the eyes from developing properly and gradually destroys them. "We found that the disorder was passed on to children from relatives. As a result, we assumed that this is a recessive genetic disease," said Stylianos Antonarakis, professor at the Faculty of Medicine at the University of Geneva. For a disorder to fall into this category, it must affect at least two children from the same family (regardless of their gender), and the parents must be healthy.

The research program involved 200 Pakistani families who met these criteria. The families were selected from Pakistan, as in this country more than 50% of marriages are between blood relatives (most often between cousins).

Scientists analyzed the genomes of each member of these blood families and identified pathogenic mutations in a previously unknown gene - MARK3. Violation of this gene is the cause of the disease. Subsequently, geneticists confirmed their results with the help of an experiment on fruit flies. They modified the same gene in flies, and as a result, the insects had undeveloped eyes and developed blindness.

In addition to MARK3, scientists have identified 30 more genes that could potentially be responsible for blindness. The discovery helps to better understand the mechanism of the disease and may provide new opportunities for personalized treatment of eye pathologies.

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