How Good Gut Microbes Resist Inflammation

Gut commensal bacteria survive inflammation by making a simple switch to their protective coats, researchers show. When harmful microbes like salmonella infect the gut, the innate immune system produces antimicrobial peptides to kill them. But these pathogenic microbes are often similar to the commensal microbes that live in the gut—it was

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  • Author Q and A Series: Alcohol, the Microbiota, and Liver Disease

Author Q and A Series: Alcohol, the Microbiota, and Liver Disease

Chronic alcohol consumption disrupts the intestinal microbiota to reduce production of saturated long-chain fatty acids and subsequently the proportion and functions of hepatoprotective lactobacilli, Peng Chen et al report in the January issue of Gastroenterology. Dietary approaches to restore levels of saturated fatty acids in the intestine might therefore reduce ethanol-induced liver injury in patients with

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  • Probiotics for Cirrhosis?

Probiotics for Cirrhosis?

A probiotic solution significantly reduced the risk of hospitalization for hepatic encephalopathy and markers of liver disease severity in patients with cirrhosis, researchers report in the December issue of Gastroenterology. Hepatic encephalopathy develops in 50%–70% of patients with cirrhosis; fewer than 50% of these patients survive for 1 year. Rifaximin and

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  • Liver Metastases, or Syphilis?

Liver Metastases, or Syphilis?

Researchers report initially mistaking late-stage syphilis for liver metastases in the November issue of Clinical Gastroenterology and Hepatology. Irphan Gaslightwala et al describe a 59-year-old man with a history of chronic lymphocytic leukemia; 6 months of persistent fevers, chills, and night sweats; and loss of 50 pounds. A positron emission tomography–computed tomography

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  • UK Aims to Combat Antibiotic Resistant Bacteria

UK Aims to Combat Antibiotic Resistant Bacteria

The world’s first charity to fight antibiotic-resistant bacteria, formed this month in the UK, aims to raise sufficient funds (estimated at £30m) over the next 5 years to bring at least 1 new antibiotic to the market. Antibiotic Research UK (ANTRUK) has assembled a group of scientific experts from 14

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  • Does Getting Rid of H pylori Stop Gastric Cancer’s Return?

Does Getting Rid of H pylori Stop Gastric Cancer’s Return?

Eradication of Helicobacter pylori after endoscopic resection of gastric lesions doesn’t prevent later development of new stomach tumors, researchers report in the May issue of Clinical Gastroenterology and Hepatology. H pylori infection can lead to gastric atrophy, intestinal metaplasia, and dysplasia or cancer—specifically non-cardia gastric cancer. It does so by inducing inflammation

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  • Special Issue: The Gut Microbiome

Special Issue: The Gut Microbiome

Gastroenterology is proud to present a special issue devoted to ‘The Gut Microbiome in Health and Disease’. The human body contains over 10 times more microbial cells than human cells. This microbiome (the commensal, symbiotic, and pathogenic microorganisms that share our body space) maintains the health and function of many

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How Does an Antibiotic Reduce Symptoms of IBS?

Rifaximin alters the intestinal microbiota to prevent inflammation and visceral hyperalgesia in stressed rats, according to the February issue of Gastroenterology. These findings could explain the ability of this antibiotic to relieve symptoms of irritable bowel syndrome (IBS) in patients. Rifaximin is a broad-spectrum antibiotic that has been approved by

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How Can the Gut Microbiota Contribute to Liver Disease?

Microbes that reside in colons of obese individuals produce many compounds that could contribute to development of non-alcoholic fatty liver disease (NAFLD) and other complications of obesity, according to a study published in the July issue of Clinical Gastroenterology and Hepatology. Microorganisms living in the human intestine (gut microbiota) affect

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Could Intestinal Microbes Reduce Insulin Resistance?

The intestinal microbiota can be manipulated to increase insulin sensitivity in people with metabolic syndrome, according to a study published in the October issue of Gastroenterology. The trillions of microorganisms that reside in the human intestine are important regulators of metabolism. Changes in their composition and metabolic function have been

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