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Liver Bacterial Colonization in Patients with Obesity and Gut Dysbiosis.
Paiano et al., Obes Surg 2023
DOI: 10.1007/s11695-023-06989-2
Ho-ho-ho! Gather ’round, my curious elves, for a tale of the tiny creatures that dwell within us, not in the North Pole, but in the bustling metropolis of the human gut! In a land not so far away, a group of scientific sleigh riders embarked on a frosty expedition to explore the mysterious connection between the bustling city of gut microbiota, the stormy blizzards of liver inflammation, and the ever-growing snowdrifts of obesity.
These brave explorers, armed with their magical tools and a sleigh full of bariatric patients, set out to uncover whether the mischievous gut microbes were sneaking into the liver’s cozy hearth. They collected treasures like anthropometric and metabolic data, comorbidities, stool samples, and hepatic biopsies from their 23 jolly volunteers at the time of their weight-loss surgery.
Using the wondrous Ion Torrent, a new-generation sequencing platform, they peeked into the V3-16S rRNA region, a secret map to the microbial North Pole. And what did they find, you ask? In eight of the patients, a merry band of bacteria—Prevotella, Bacteroides, Streptococcus, and Dalister—were having a holiday party in both the stools and liver, while in 15 cases, the liver was a no-bacteria land.
The most intriguing finding, like a hidden present under the tree, was the significant drop in Roseburia intestinalis in the fecal samples of patients whose liver biopsies were gatecrashed by bacteria. This little microbe, known to be a guardian of the gut’s winter wonderland, was less present in those with bacterial genomes in their liver, suggesting a possible breach in the gut’s defenses.
So, my dear friends, this study, as fresh as the first snowfall, is the first to spot bacterial genomes cozying up in liver biopsies of bariatric patients. It seems that when Roseburia takes a holiday, the gut’s barrier may not be as snug as a bug in a rug, allowing those bacterial stowaways to slip into the liver.
And with that, we close our storybook, but remember, the quest to understand the tiny creatures within us continues, and may your gut be merry and your liver bright! 🎅🎄