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Review

Probiotic bacteria as modulators of cellular senescence: emerging concepts and opportunities

ORCID Icon &
Pages 335-349 | Received 09 Aug 2019, Accepted 20 Nov 2019, Published online: 10 Dec 2019

Figures & data

Figure 1. Schematic diagram depicting the role of senescent cells in driving the process of aging. Oxi-inflammatory stress contributes to the development of senescent cells which gradually accumulate and promote inflamm-aging, resulting in tissue and organ dysfunctions and pro-tumorigenic environment characteristic of aging-phenotype.

Figure 1. Schematic diagram depicting the role of senescent cells in driving the process of aging. Oxi-inflammatory stress contributes to the development of senescent cells which gradually accumulate and promote inflamm-aging, resulting in tissue and organ dysfunctions and pro-tumorigenic environment characteristic of aging-phenotype.

Figure 2. Probiotics can influence the process of senescence. The secretory metabolites of probiotic bacteria such as polyamines, SCFAs or probiotic-fermented polyphenols could affect different aspects of cell senescence including cell cycle regulators, oxi-inflammatory stress, mTOR pathway and immune activation that may delay the initiation of senescence program leading to the augmentation of healthy aging.

Figure 2. Probiotics can influence the process of senescence. The secretory metabolites of probiotic bacteria such as polyamines, SCFAs or probiotic-fermented polyphenols could affect different aspects of cell senescence including cell cycle regulators, oxi-inflammatory stress, mTOR pathway and immune activation that may delay the initiation of senescence program leading to the augmentation of healthy aging.

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