With the aim of proving an antibacterial composition against oral bacteria and the like capable of inducing Th1 cell proliferation or activation in an intestinal tract, the present inventors have found out that bacteria that suppress colonization and the like of the oral bacteria and the like in the intestinal tract are present in an intestinal microbiota. Moreover, the present inventors have succeeded in isolating intestinal bacteria that suppress intestinal colonization and the like of oral bacteria and the like.

Microbes expressing cholesterol oxidoreductase (COR) proteins, methods of engineering the microbes expressing COR proteins, compositions and methods of using the microbes are provided.

The disclosure relates to products and methods for treating Crohn's disease. The products relate to antibodies that inhibit native human IL-23, but do not inhibit IL-12. The disclosure also relates to methods of selecting a subject amenable to IL-23 inhibition therapy to treat Crohn's disease as well as methods of identifying a patient sub-population amenable to such treatment.

The subject matter disclosed herein is generally directed to modulation of genes and pathways that drive differentiation of LGR5+ stem cells. The methods and compositions can be used to treat diseases associated with aberrant epithelial barrier function.

The disclosure provides for methods for monitoring mucosal healing in a patient with a digestive disease, or for use in a pre-disease state, and includes intestinal as well as extra-intestinal disorders in which gut permeability is increased. The method may include establishing a baseline of the patient, treating the patient for the digestive disease or the pre-disease state, measuring gut permeability of the patient after treatment, and comparing a second total percentage of the administered dose recovered to the baseline total percentage of the administered dose recovered. Establishing the baseline may include enterally administering a first dosage of a composition comprising a fluorescent tracer, measuring a first amount of the administered dose that can be found outside the gut over a period of time, and determining a baseline total percentage of the administered dose recovered. Measuring gut permeability may include enterally administering a second dosage of the composition, measuring a second amount of the administered dose, and determining a second total percentage of the administered dose recovered.

A method for evaluating a gastrointestinal tract may include characterizing one or more disease parameters using objective measures obtained from imaging data of a gastrointestinal tract. The one or more disease parameters reflect a measure of at least one of lesions, ulcers, bleeding, stenosis, and vasculature. The method may also include using the one or more characterized disease parameters to classify a disease state.

A marker for determining a mental disease is provided. The marker can be used in an objective diagnosis of such a mental disease. The marker contains one or more enterobacteria of Bifidobacterium, Lactobacillus, Lactobacillus brevis, Lactobacillus reuteri subgroup, Lactobacillus sakei subgroup, Atopobium cluster, Bacteroides fragilis group, Enterococcus, Clostridium coccoides group, Clostridium leptum subgroup, Staphylococcus, Clostridium perfringens, and Enterobacteriaceae.

The invention relates to a method for detecting and measuring the presence of mono-nucleosomes and oligo-nucleosomes and nucleosomes that contain particular histone variants and the use of such measurements for the detection and diagnosis of disease. The invention also relates to a method of identifying histone variant biomarkers for the detection and diagnosis of disease and to biomarkers identified by said method.

A method for identifying a subject having at least an indication or predisposition for developing inflammatory bowel disease or colorectal cancer based upon the presence of Salmonella AvrA protein, nucleic acids and antibodies is provided as is a method for treating Salmonella infection-related colorectal cancer using a Wnt1 agonist.

In vitro method for determining the type and severity of a gastrointestinal disorder in a subject suspected of suffering irritable bowel syndrome (IBS), comprising the steps of a) performing an assay method for detecting the presence of γ-tryptase in a fecal sample obtained from said patient; b) measuring the concentration of γ-tryptase in said fecal sample; c) comparing said measured concentration of γ-tryptase to a first predetermined reference value; and d) assessing of said patient by assigning an increased likelihood of suffering irritable bowel syndrome (IBS) when said measured concentration of γ-tryptase is higher than said predetermined reference value, or by assigning a decreased likelihood of suffering irritable bowel syndrome (IBS) when said measured concentration of γ-tryptase is lower than said predetermined reference value.