More recent keywords, such as ferroptosis (2021.01), pyroptosis (2020.97), and gut microbiota (2020.80), are highlighted on the map, while keywords like NLRP3 (2019.95), polysaccharides (2019.86), mitophagy (2019.84), NAFLD (2019.83), and osteoarthritis (2019.69) are relatively less recent. This evidence concerns the gene NLRP3 and osteoarthritis.