Branched-chain amino acid restriction

Intervention

6 papers13 findings

  • 2 independent labs in 2 countries
  • 3 findings against
  • Funders: National Institute on Aging and others
  • Animals5

Outcomes

6

Cellular senescence

downin cells2upin mice2downin mice2

2 studies
  1. Branched-chain amino acid restriction decreases cellular senescence in cells.

    “lower levels of BCAAs protecting cultured cells from antimycin-A induced senescence.”

    Cellsantimycin A-induced senescence

    Tissue-Specific Effects of Dietary Protein on Cellular Senescence Are Mediated by Branched-Chain Amino Acids

    Aging cell28 Jul 2025

  2. Branched-chain amino acid restriction increases cellular senescence in mice.

    “potentiating cellular senescence in white adipose tissue.”

    Animalswhite adipose tissue

    Tissue-Specific Effects of Dietary Protein on Cellular Senescence Are Mediated by Branched-Chain Amino Acids

    Aging cell28 Jul 2025

  3. Branched-chain amino acid restriction decreases cellular senescence in mice.

    “restriction of all three BCAAs-but not individual BCAAs-protecting from hepatic cellular senescence”

    Animalsliver

    Tissue-Specific Effects of Dietary Protein on Cellular Senescence Are Mediated by Branched-Chain Amino Acids

    Aging cell28 Jul 2025

  4. Branched-chain amino acid restriction inhibits cellular senescence in cells.

    “lower levels of BCAAs protecting cultured cells from antimycin-A induced senescence”

    Cellsantimycin-A-induced

    Tissue-specific effects of dietary protein on cellular senescence are mediated by branched-chain amino acids

    bioRxiv : the preprint server for biology16 Jan 2025Preprint

  5. Branched-chain amino acid restriction induces cellular senescence in mice.

    “potentiating cell senescence in white adipose tissue”

    Animalsrestriction of all three BCAAswhite adipose tissue

    Tissue-specific effects of dietary protein on cellular senescence are mediated by branched-chain amino acids

    bioRxiv : the preprint server for biology16 Jan 2025Preprint

  6. Branched-chain amino acid restriction inhibits cellular senescence in mice.

    “restriction of all three BCAAs - but not individual BCAAs - protecting from hepatic cellular senescence”

    Animalsrestriction of all three BCAAsliver

    Tissue-specific effects of dietary protein on cellular senescence are mediated by branched-chain amino acids

    bioRxiv : the preprint server for biology16 Jan 2025Preprint

More on Cellular senescence

Metabolic health

upin mice2

2 studies
  1. Branched-chain amino acid restriction improves metabolic health in mice.

    “reducing dietary levels of BCAAs protects male mice from the negative metabolic consequences of both normal and high protein diets.”

    Animalsnormal and high protein dietsmales

    Tissue-Specific Effects of Dietary Protein on Cellular Senescence Are Mediated by Branched-Chain Amino Acids

    Aging cell28 Jul 2025

  2. Branched-chain amino acid restriction improves metabolic health in mice.

    “reducing dietary levels of BCAAs protects male and female mice from the negative metabolic consequences of both normal and high protein diets”

    Animalsin male and female mice on normal or high protein diets

    Tissue-specific effects of dietary protein on cellular senescence are mediated by branched-chain amino acids

    bioRxiv : the preprint server for biology16 Jan 2025Preprint

Lifespan

no changein mice1upin mice1

1 study
  1. Branched-chain amino acid restriction has no effect on lifespan in mice.

    “leads to a 30% increase in lifespan and a reduction in frailty in male, but not female, wild-type mice when fed lifelong”

    Animalslifelongfemales

    Lifelong restriction of dietary branched-chain amino acids has sex-specific benefits for frailty and lifespan in mice

    Nature aging14 Jan 2021

  2. Branched-chain amino acid restriction extends lifespan in mice.

    “restricting dietary BCAAs increases the survival of two different progeroid mouse models”

    Animalsprogeroid mouse models

    Lifelong restriction of dietary branched-chain amino acids has sex-specific benefits for frailty and lifespan in mice

    Nature aging14 Jan 2021

Ovarian reserve

no changein mice1

1 study
  1. Branched-chain amino acid restriction has no effect on ovarian reserve in mice.

    “The BCAA restriction did not affect the ovarian reserve”

    Animalsovaryfour monthsfemalesn = 9

    Effects of calorie, protein, and branched chain amino acid restriction on ovarian aging in mice

    Reproductive biology30 Jan 2024

Metabolic homeostasis

upin rodents1

1 study
  1. Branched-chain amino acid restriction improves metabolic homeostasis in rodents.

    “BCAAs and leucine (Leu) restriction promote metabolic homeostasis in rodents”

    Reviewin rodents

    Dietary protein and amino acid restriction: Roles in metabolic health and aging-related diseases

    Free radical biology & medicine7 Dec 2021

Frailty

downin mice1

1 study
  1. Branched-chain amino acid restriction decreases frailty in mice.

    “delays frailty and promotes the metabolic health of wild-type C57BL/6J mice when started in midlife”

    Animals

    Lifelong restriction of dietary branched-chain amino acids has sex-specific benefits for frailty and lifespan in mice

    Nature aging14 Jan 2021

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