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Study · In vitro (cells) · 2010

3 results

Skeletal muscle NAMPT is induced by exercise in humans.

Costford SR, Bajpeyi S, Pasarica M, Albarado DC, Thomas SC, Xie H, Church TS, Jubrias SA, Conley KE, Smith SR

American journal of physiology. Endocrinology and metabolism3 Nov 2009Cited by 218 (Europe PMC)

Summary

The text of this summary is not shown here, because the article license does not allow reuse. Read it at the source (opens in a new tab)

Text rights: Publisher copyright. Results still quote short attributed sentences.

Results from this study3

3 results from studies that gave the peptide. No result from this study comes from people.

  1. 01LabIn vitro (cells)Mechanism

    In primary human myotubes, AICAR activation of AMPK increased NAMPT mRNA approximately 3.4-fold (P < 0.05).

    In plain wordsIn cells, AICAR increased NAMPT gene expression.

    Outcome
    IncreaseNAMPT mRNA
    Study

    humann: not reported in source

    Primary human myotubes
    Outcome group
    Receptor activity and mechanism · Musculoskeletal
    Studied dose
    Dose not stated

    Measurements

    NAMPT mRNA
    ≈ 3.4 fold
    AMPK activation via AICAR

    Source sentences

    Summary
    Activation of AMPK via AICAR resulted in an approximately 3.4-fold increase in NAMPT mRNA (P < 0.05) as well as modest increases in NAMPT protein (P < 0.05) and mitochondrial content (P < 0.05).
    1 context sentence
    Summary · context
    Treatment of primary human myotubes with forskolin, a cAMP signaling pathway activator, resulted in an approximately 2.5-fold increase in NAMPT protein expression, whereas treatment with ionomycin had no effect.
  2. 02LabIn vitro (cells)Mechanism

    In primary human myotubes, AICAR produced a modest increase in NAMPT protein (P < 0.05).

    In plain wordsIn cells, AICAR modestly increased NAMPT protein.

    Outcome
    IncreaseNAMPT protein
    Study

    humann: not reported in source

    Primary human myotubes
    Outcome group
    Receptor activity and mechanism · Musculoskeletal
    Studied dose
    Dose not stated

    Source sentences

    Summary
    Activation of AMPK via AICAR resulted in an approximately 3.4-fold increase in NAMPT mRNA (P < 0.05) as well as modest increases in NAMPT protein (P < 0.05) and mitochondrial content (P < 0.05).
    1 context sentence
    Summary · context
    Treatment of primary human myotubes with forskolin, a cAMP signaling pathway activator, resulted in an approximately 2.5-fold increase in NAMPT protein expression, whereas treatment with ionomycin had no effect.
  3. 03LabIn vitro (cells)Mechanism

    In primary human myotubes, AICAR modestly increased mitochondrial content (P < 0.05).

    In plain wordsIn cells, AICAR modestly increased mitochondrial content.

    Outcome
    IncreaseMitochondrial content
    Study

    humann: not reported in source

    Primary human myotubes
    Outcome group
    Mitochondrial function · Musculoskeletal
    Studied dose
    Dose not stated

    Source sentences

    Summary
    Activation of AMPK via AICAR resulted in an approximately 3.4-fold increase in NAMPT mRNA (P < 0.05) as well as modest increases in NAMPT protein (P < 0.05) and mitochondrial content (P < 0.05).
    1 context sentence
    Summary · context
    Treatment of primary human myotubes with forskolin, a cAMP signaling pathway activator, resulted in an approximately 2.5-fold increase in NAMPT protein expression, whereas treatment with ionomycin had no effect.

AI wrote and checked these results. AI can make mistakes, so check important results against the source.

Version history

PepBank keeps every version of the data on this study. Status changes from Retraction Watch, Europe PMC and Crossref are listed with their source.

  1. Version 2Current

    21 Oct 2026, 15:58 UTC

    Study results updated

  2. Version 1

    21 Oct 2026, 12:50 UTC

    First added · source update from Europe PMC

Subjects

Terms as the source lists them.

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