1| Intestinal barrier function in age-dependent gut-brain interaction: dietary interventions with oat β-glucans

2| Intestinal barrier function in age-dependent gut-brain interaction: pharmacological interventions with metformin

3| Development of a microfluidic perfusion-station (gut-on-a-chip)

4| Age-dependent gut-brain interactions in mice: modulation by physical activity

5| Age-dependent impact of physical activity on gut-brain axis in humans

6| Peptidoglycan sensing molecules as brain sensors for gut-induced inflammation

7| Microbiota-gut-brain axis: Inflammatory and immune markers during aging and following interventions

8| Impact of the gut microbiome on cognitive function in middle-aged subjects. Effects of weight loss

9| Impact of the gut microbiome on cognitive function in middle-aged subjects. Effects of metformin

10| Impact of late life nutritional interventions on microbiome / cognition

11| Changes in individual BrainAGE score and brain plasticity induced by physical activity

12| Elucidation of transcriptomic signatures in preserving cognition in old age

13| Impact of microbiome-host cross-talk on decline and preservation of cognition during aging

14| Bioinformatics analysis of the gut-microbiome during aging and following late-life interventions with respect to cognitive functions

15| Impacts of nutrition communication strategies on eating behaviour – best practice models to enhance compliance and adherence to healthy nutrition in different target groups