Proline

  • 3 independent labs in 3 countries
  • Funders: National Institute on Aging and others
  • 1 of 6 findings with company ties
  • Humans1
  • Model organisms1
  • Cells2

Outcomes

5

Lifespan

upin R. toruloides cells1

1 study
  1. Proline extends lifespan in R. toruloides cells.

    “whereas proline exerts effect at 2 mM.”

    Cellsunder glucose nutrimental stress2 mM

    Glucosylglycerol and proline reverse the effects of glucose on Rhodosporidium toruloides lifespan

    Archives of microbiology28 Mar 2024

DNA damage

downin human cells1

1 study
  1. Proline decreases DNA damage in human cells.

    “proline treatment also mitigates several aging hallmarks, including DNA damage, senescence-associated β-galactosidase, inflammatory cytokine expressions”

    Cellsin senescent cells

    Proline restores mitochondrial function and reverses aging hallmarks in senescent cells

    Cell reports12 Feb 2024

Senescence-associated beta-galactosidase

downin human cells1

1 study
  1. Proline decreases senescence-associated beta-galactosidase in human cells.

    “proline treatment also mitigates several aging hallmarks, including DNA damage, senescence-associated β-galactosidase, inflammatory cytokine expressions”

    Cellsin senescent cells

    Proline restores mitochondrial function and reverses aging hallmarks in senescent cells

    Cell reports12 Feb 2024

More on Senescence-associated beta-galactosidase

Mitophagy

upin human cells1

1 study
  1. Proline induces mitophagy in human cells.

    “Proline induces mitophagy by activating AMP-activated protein kinase α and upregulating Parkin expression”

    Cellsin senescent cells

    Proline restores mitochondrial function and reverses aging hallmarks in senescent cells

    Cell reports12 Feb 2024

More on Mitophagy

Mitochondrial respiratory impairment

downin human cells1

1 study
  1. Proline decreases mitochondrial respiratory impairment in human cells.

    “senescent mesenchymal stem cells manifest severe mitochondrial respiratory impairment, which is alleviated through proline supplementation”

    Cellsin senescent mesenchymal stem cells

    Proline restores mitochondrial function and reverses aging hallmarks in senescent cells

    Cell reports12 Feb 2024

Associations

1

All-cause disability-adjusted life years

downin humans1

1 study
  1. Proline is associated with all-cause disability-adjusted life years in humans (Coeff. -31.499, p = 0.010).

    “and proline (Coeff. -31.499; p = 0.010) intakes with DALYs after adjustment”

    Humansmales

    Association of dietary protein and amino acid intakes with all-cause disability-adjusted life years: cross-sectional analysis of the national health and nutrition survey in Japan

    Journal of health, population, and nutrition16 Feb 2026

Funding

1 grant since 2020

Danmarks Frie Forskningsfond

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