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Microbiota profiling using stool samples is limited in its ability to represent intestinal microbial dynamics. CRISPR-engineered bacteria can be used to acquire cellular RNAs and create a gene expression ‘memory’ during gastrointestinal transit, with the potential to capture microbial transcriptomic changes in the gastrointestinal tract without invasive sampling.
Owing to its simplicity, dextran sulfate sodium (DSS)-induced colitis is one of the most widely used mouse models of colitis. However, the severity of inflammation varies from one experiment to another. In a new study, Forster and colleagues have provided new insights into the DSS model by revealing specific microbial taxa that underlie disease variability.
New data demonstrate racial and ethnic disparities in access to prescription medications in persons with chronic liver disease in the USA. Here, we discuss potential health equity solutions that address structural and social determinants of health to mitigate liver health inequities in access to liver disease pharmacotherapies.
The liver microenvironment has a dynamic complexity that has not yet been adequately described. A new omics study sheds light on the hepatic parenchymal and immune cell heterogeneity by focusing on the spatial distribution of myeloid cells and macrophages in homeostasis and nonalcoholic fatty liver disease.
A subset of colorectal cancers arises from sessile serrated lesions. Tumorigenesis via the serrated neoplasia pathway is largely unexplored. Now, a new study suggests that this pathway is initiated by gastric metaplasia induced by damage and repair, which is triggered by disadvantageous composition of microbiota in the proximal colon.
