The invention provide a mix or a nutritional compostion comprising a probiotic Lactobacillus Fermentum CECT-5716 and a n-3 fatty acid selected from the group consisting of docosahexaenoic acid (DHA) and 18:3 n-3 octadecatrienoic acid (alpha-linolenic acid); and optional a further nutrient or mineral selected from the group consisting of iron, manganese and magnesium, or combination of two of more thereof; for use in treating or preventing mastitis in a subject, preferably a pregnant or lactating woman.

The invention provide a mix or a nutritional compostion comprising a probiotic Lactobacillus Fermentum CECT-5716 and a n-3 fatty acid selected from the group consisting of docosahexaenoic acid (DHA) and 18:3 n-3 octadecatrienoic acid (alpha-linolenic acid); and optional a further nutrient or mineral selected from the group consisting of iron, manganese and magnesium, or combination of two of more thereof; for use in treating or preventing mastitis in a subject, preferably a pregnant or lactating woman.

An object of the present invention is to provide a novel composition which suppresses or improves depression. The present invention provides a composition for use in suppressing or improving depression, comprising Lactobacillus paracasei as an active ingredient. In the present invention, the depression can be a condition which occurs in daily life. The composition of the present invention can be provided as a food composition and a supplement, and can be provided to a human so that Lactobacillus paracasei is ingested in a daily amount of 1 mg or more in terms of dry cell mass or 10 to 10.sup.11 cells.

An object of the present invention is to provide a novel composition which suppresses or improves depression. The present invention provides a composition for use in suppressing or improving depression, comprising Lactobacillus paracasei as an active ingredient. In the present invention, the depression can be a condition which occurs in daily life. The composition of the present invention can be provided as a food composition and a supplement, and can be provided to a human so that Lactobacillus paracasei is ingested in a daily amount of 1 mg or more in terms of dry cell mass or 10 to 10.sup.11 cells.

The present invention provides novel use of Lactobacillus paracasei subsp. paracasei K56 in alleviation of intestinal inflammation. Lactobacillus paracasei subsp. paracasei K56 of the present invention has the deposit number CGMCC 15139 or DSM 27447. It was discovered in the present invention that the strain alone was highly efficacious at alleviating intestinal inflammation, reducing inflammatory factors IL-6 and/or TNF-α, promoting the anti-inflammatory factor IL-10, and reducing the tissue damage of colitis.

The present invention provides novel use of Lactobacillus paracasei subsp. paracasei K56 in alleviation of intestinal inflammation. Lactobacillus paracasei subsp. paracasei K56 of the present invention has the deposit number CGMCC 15139 or DSM 27447. It was discovered in the present invention that the strain alone was highly efficacious at alleviating intestinal inflammation, reducing inflammatory factors IL-6 and/or TNF-α, promoting the anti-inflammatory factor IL-10, and reducing the tissue damage of colitis.

The present disclosure relates to methods and products for reducing side effects associated with immunotherapy using immune agonist antibodies. In certain embodiments, the present disclosure provides a method of reducing one or more side effects associated with immunotherapy using an immune agonist antibody alone, or in combination with an immune checkpoint inhibitor, in a subject suffering from a cancer, the method comprising modifying the gut microbiota in the subject and thereby reducing the one or more side effects associated with the immunotherapy in the subject.

The present disclosure relates to methods and products for reducing side effects associated with immunotherapy using immune agonist antibodies. In certain embodiments, the present disclosure provides a method of reducing one or more side effects associated with immunotherapy using an immune agonist antibody alone, or in combination with an immune checkpoint inhibitor, in a subject suffering from a cancer, the method comprising modifying the gut microbiota in the subject and thereby reducing the one or more side effects associated with the immunotherapy in the subject.

The present invention aims to provide an agent for preventing or ameliorating stress disorders, which agent is highly safe and effective, causes less side effects, and can be continuously used for a long time.

One embodiment of the present invention is an agent for preventing or ameliorating stress disorders comprising, as an active ingredient, a lactic acid bacterium Lactobacillus delbrueckii subspecies lactis or a lactic acid bacterium-derived ingredient therefrom.

The present invention aims to provide an agent for preventing or ameliorating stress disorders, which agent is highly safe and effective, causes less side effects, and can be continuously used for a long time.

One embodiment of the present invention is an agent for preventing or ameliorating stress disorders comprising, as an active ingredient, a lactic acid bacterium Lactobacillus delbrueckii subspecies lactis or a lactic acid bacterium-derived ingredient therefrom.