Sentences with phrase «bacteria from normal mice»

However, when the intestines of these same mice were colonized by gut bacteria from normal mice, they started to gain fat and develop insulin resistance (2, 3).

The scientists fed bacteria from normal mice to the sterile animals.

Not exact matches

By transferring part of the gut bacteria from healthy mice to diabetic mice, they are re-establishing a normal level of cathelicidin.

To test the theory, he and his colleagues analyzed bacteria in fecal samples from lab mice kept in normal 12 - hour cycles of light and darkness.

When bacteria from these «clockless» mice were transplanted into healthy animals living in normal light - dark conditions, the microbes began to show normal rhythms within a week.

Female mice and male mice that had been treated with estrogen were able to clear the bacteria from their lungs more rapidly than normal male mice.

They found that the samples from the older normal mice had the most diversity of their gut microbes, including Clostridia and Bacteroides bacteria not seen in the younger mice that were still getting their nutrition entirely from mother's milk.

But when the researchers added bacteria from 16 - day - old normal mice, the amount of C. rodentium in the guts of surviving mice went down.

Left: The gut of a mouse that received a transplant of microbes from the gut of four - day - old normal mice, and then was exposed to Salmonella, while the other received a transplant of the four - day - old mouse microbes along with added Clostridia bacteria, before being exposed to Salmonella.

With no natural gut bacteria of their own, the mice offered a unique chance to see the effects of transplanted microbes from normal mice of different ages, and to test vulnerability to infection.

Bottom Line: Bacterial load was significantly higher in pancreatic tumor samples from patients with pancreatic ductal adenocarcinoma compared with pancreatic tissue from normal individuals, and in studies using mice, eliminating certain «bad» bacteria slowed the growth of pancreatic cancer, reversed immune suppression, and upregulated the immune checkpoint protein PD1.

The reason for this response, Gordon says, was twofold: Firmicutes bacteria transplanted from the fat mice produced more of the enzymes that helped the animals extract more energy from their food, and the bacteria also manipulated the genes of the normal mice in ways that triggered the storage of fat rather than its breakdown for energy.