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June 2023
Ageing Research Reviews
DOI: https://doi.org/10.1016/j.arr.2023.101929
Abstract
Age-related loss of function brings age-related disease, and therefore it is of primary importance to search for interventions that can help minimize detrimental symptoms people deal with in old age. Fungi have always been given a great deal of attention and reverence in traditional medical practices for their ability to minimize harmful symptoms of diseases. More recently, the role of fungi in influencing healthspan and lifespan is being directly studied in the lab. To treat animal model organisms with fungi-derived molecules, extractions from different life cycle stages of fungi are performed. This includes mycelium (the vegetative stage), sporocarps (the reproductive stage), or spores (the end product of the reproductive stage), and each stage provides a variety of bioactive compounds. These bioactive compounds include glycoproteins, polysaccharides, triterpenoids, meroterpenoids, sesquiterpenoids, steroids, alkaloids, benzopyran derivatives, and benzoic acid derivatives, amongst others. In this work, we review evidence that fungal extracts from multiple species can have beneficial effects on the lifespan and healthspan of model organisms, such as C. elegans worms, D. melanogaster flies, and M. musculus mice. We cover extraction methods and lifespan effects of Ganoderma lucidum (i.e. Reishi), Lentinula edodes (i.e. Shiitake), the genus Auricularia (i.e. jelly ear mushrooms), the genera Cordyceps and Ophiocordyceps (e.g. the caterpillar fungi), Hericium erinaceus (i.e. Lion’s mane), the mold genus Monascus, and also Inonotus obliquus (i.e. Chaga), Grifola frondosa (i.e. Maitake or hen-of-the-woods), the genus Pleurotus (e.g. oyster mushrooms), and Agaricus subrufescens (i.e. the almond mushroom). We propose that further research on fungal extracts will provide a greater picture of the role fungi-derived bioactive molecules can have in developing longevity and neuroprotective medicines for humans.
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