Nampt

Intervention

2 papers study it7 findings

Across all fields, 2 papers: none in people yet, 2 in animals

  • 2 independent labs in 2 countries
  • Funders: China Postdoctoral Science Foundation and 8 more
  • Animals2

Outcomes

7

Energy expenditure

upin mice1

1 study
  1. Nampt increases energy expenditure in mice.

    “elevation of plasma eNAMPT by NAMPT administration increases hypothalamic NAD+ levels and stimulates LMA and EE”

    Animals

    Circulating blood eNAMPT drives the circadian rhythms in locomotor activity and energy expenditure

    Nature communications

Locomotor activity

upin mice1

1 study
  1. Nampt increases locomotor activity in mice.

    “elevation of plasma eNAMPT by NAMPT administration increases hypothalamic NAD+ levels and stimulates LMA and EE”

    Animals

    Circulating blood eNAMPT drives the circadian rhythms in locomotor activity and energy expenditure

    Nature communications

Hypothalamic NAD+

upin mice1

1 study
  1. Nampt increases hypothalamic NAD+ in mice.

    “elevation of plasma eNAMPT by NAMPT administration increases hypothalamic NAD+ levels and stimulates LMA and EE”

    Animals

    Circulating blood eNAMPT drives the circadian rhythms in locomotor activity and energy expenditure

    Nature communications

More on Hypothalamic NAD+

Muscle disuse atrophy

downin O. cuniculus1

1 study
  1. Nampt prevents muscle disuse atrophy in O. cuniculus.

    “NAMPT-elevated NAD+ biosynthesis was also efficient in preventing EDL disuse atrophy by reversing mitochondrial dysfunction.”

    Animalsextensor digitorum longus disuse atrophyextensor digitorum longus

    Nicotinamide Phosphoribosyltransferase-elevated NAD⁺ biosynthesis prevents muscle disuse atrophy by reversing mitochondrial dysfunction

    Journal of cachexia, sarcopenia and muscle

More on Muscle disuse atrophy

NAD+ metabolism

upin O. cuniculus1

1 study
  1. Nampt increases NAD+ metabolism in O. cuniculus (279.9 ± 48.7 to 392.2 ± 43.2 pmol/mg).

    “and NAD+ biosynthesis (279.9 ± 48.7 to 392.2 ± 43.2 pmol/mg, P = 0.0023).”

    Animalsin acute disuse of supraspinatus musclesupraspinatus muscle

    Nicotinamide Phosphoribosyltransferase-elevated NAD⁺ biosynthesis prevents muscle disuse atrophy by reversing mitochondrial dysfunction

    Journal of cachexia, sarcopenia and muscle

More on NAD+ metabolism

Citrate synthase activity

upin O. cuniculus1

1 study
  1. Nampt increases citrate synthase activity in O. cuniculus (40.8 ± 6.3 to 50.5 ± 5.6 nmol/min/mg).

    “Disuse-induced impairment of mitochondrial function were significantly improved by NAMPT, including citrate synthase activity (40.8 ± 6.3 to 50.5 ± 5.6 nmol/min/mg, P = 0.0043)”

    Animalsin acute disuse of supraspinatus musclesupraspinatus muscle

    Nicotinamide Phosphoribosyltransferase-elevated NAD⁺ biosynthesis prevents muscle disuse atrophy by reversing mitochondrial dysfunction

    Journal of cachexia, sarcopenia and muscle

More on Citrate synthase activity

Muscle mass

upin O. cuniculus1

1 study
  1. Nampt increases muscle mass in O. cuniculus (6.17 ± 0.54 g vs 5.10 ± 0.79 g).

    “reversed by NAMPT (muscle mass 6.17 ± 0.54 g, P = 0.0033; fibre CSA, 3219.8 ± 289.4 μm2 , P = 0.0018)”

    Animalsin acute disuse of supraspinatus musclesupraspinatus muscle

    Nicotinamide Phosphoribosyltransferase-elevated NAD⁺ biosynthesis prevents muscle disuse atrophy by reversing mitochondrial dysfunction

    Journal of cachexia, sarcopenia and muscle

Funding

3 grants since 2018

Veterans AffairsNational Institute of Diabetes and Digestive and Kidney DiseasesUS$842.8kNational Institute on AgingUS$111.7k

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