GM2 Gangliosidosis
https://link.springer.com/article/10.1007/s11011-025-01553-6
Tay–Sachs disease (TSD) also known as GM2 gangliosidosis is a rare genetic condition in which harmful levels of a substance called GM2 ganglioside build up in the brain, leading to nerve cell damage and severe neurological symptoms. This damage is closely linked to inflammation in the brain caused by overactive immune cells. This study used a mouse model of TSD to explore a potential new way to reduce this brain inflammation by combining a special diet with an anti-inflammatory compound. The study looked at the effects of a ketogenic diet (KD), which is low in carbohydrates and high in fat. This diet encourages the body to produce ketone bodies like β-hydroxybutyrate, which are known to show anti-inflammatory and neuroprotective properties. Researchers also used a compound called PG (bis(2-carboxyethyl germanium) sesquioxide), which is responsible for blocking a pathway known to trigger inflammation in the brain. It was found that when used together, the KD and PG significantly reduced inflammation in affected areas of the brain, including the cortex and cerebellum. This was shown by a decrease in the activity of immune cells like macrophages and astrocytes, and by lower levels of inflammatory markers such as Ccl2, Ccl3, Ccl5, Cxcl10, and Gfap. These promising results suggest that by combining dietary and anti-inflammatory treatments, it may be possible to protect brain cells and slow the progression of Tay–Sachs disease. While further research is necessary, this study highlights a novel approach that could lead to more effective therapies for individuals living with TSD and related neurodegenerative conditions.