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Study · In vitro (cells) · 2011

16 results

Pharmacological effects of exogenous NAD on mitochondrial bioenergetics, DNA repair, and apoptosis.

Pittelli M, Felici R, Pitozzi V, Giovannelli L, Bigagli E, Cialdai F, Romano G, Moroni F, Chiarugi A

Molecular pharmacology14 Sept 2011Cited by 100 (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 study16

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

  1. 01LabIn vitro (cells)Mechanism

    In cell lines or primary cultures, exogenous NAD increased intracellular NAD content.

    In plain wordsIn cells, exogenous NAD increased intracellular NAD content.

    Outcome
    IncreaseIntracellular NAD content
    Study

    n: not reported in source

    Cell lines or primary cultures
    Outcome group
    Mitochondrial function · Whole body
    Studied dose
    Dose not stated

    Source sentences

    Summary
    Here, we report that intracellular NAD contents increased upon exposure of cell lines or primary cultures to exogenous NAD (eNAD).
  2. 02LabIn vitro (cells)Mechanism

    In cells, NAD precursors could not reproduce the effects of exogenous NAD.

    In plain wordsIn cells, NAD precursors could not reproduce the effects of exogenous NAD.

    Outcome
    Not applicableEffects compared with NAD precursors
    Study

    n: not reported in source

    Cell lines or primary cultures
    Comparator
    NAD precursors
    Outcome group
    Mitochondrial function · Whole body
    Studied dose
    Dose not stated

    Source sentences

    Summary
    NAD precursors could not reproduce the effects of eNAD
    1 context sentence
    Summary · context
    Here, we report that intracellular NAD contents increased upon exposure of cell lines or primary cultures to exogenous NAD (eNAD).
  3. 03LabIn vitro (cells)Mechanism

    In the cell incubation medium, NAD precursors were not detected during exogenous NAD exposure.

    In plain wordsIn lab tests, NAD precursors were not detected in the medium containing exogenous NAD.

    Outcome
    Not applicableExtracellular precursor detection
    Study

    n: not reported in source

    Cell lines or primary cultures
    Outcome group
    Mitochondrial function · Whole body
    Studied dose
    Dose not stated

    Source sentences

    Summary
    NAD precursors could not reproduce the effects of eNAD, and they were not found in the incubating medium containing eNAD, thereby suggesting direct cellular eNAD uptake.
    1 context sentence
    Summary · context
    Here, we report that intracellular NAD contents increased upon exposure of cell lines or primary cultures to exogenous NAD (eNAD).
  4. 04LabIn vitro (cells)Mechanism

    In cells exposed to exogenous NAD, mitochondrial NAD increased.

    In plain wordsIn cells, exogenous NAD increased mitochondrial NAD.

    Outcome
    IncreaseMitochondrial NAD content
    Study

    n: not reported in source

    Cell lines or primary cultures
    Outcome group
    Mitochondrial function · Whole body
    Studied dose
    Dose not stated

    Source sentences

    Summary
    We found that in mitochondria of cells exposed to eNAD, NAD and NADH as well as oxygen consumption and ATP production were increased.
    1 context sentence
    Summary · context
    Here, we report that intracellular NAD contents increased upon exposure of cell lines or primary cultures to exogenous NAD (eNAD).
  5. 05LabIn vitro (cells)Mechanism

    In cells exposed to exogenous NAD, mitochondrial NADH increased.

    In plain wordsIn cells, exogenous NAD increased mitochondrial NADH.

    Outcome
    IncreaseMitochondrial NADH content
    Study

    n: not reported in source

    Cell lines or primary cultures
    Outcome group
    Mitochondrial function · Whole body
    Studied dose
    Dose not stated

    Source sentences

    Summary
    We found that in mitochondria of cells exposed to eNAD, NAD and NADH as well as oxygen consumption and ATP production were increased.
    1 context sentence
    Summary · context
    Here, we report that intracellular NAD contents increased upon exposure of cell lines or primary cultures to exogenous NAD (eNAD).
  6. 06LabIn vitro (cells)Mechanism

    In cells exposed to exogenous NAD, mitochondrial oxygen consumption increased.

    In plain wordsIn cells, exogenous NAD increased mitochondrial oxygen consumption.

    Outcome
    IncreaseMitochondrial oxygen consumption
    Study

    n: not reported in source

    Cell lines or primary cultures
    Outcome group
    Mitochondrial function · Whole body
    Studied dose
    Dose not stated

    Source sentences

    Summary
    We found that in mitochondria of cells exposed to eNAD, NAD and NADH as well as oxygen consumption and ATP production were increased.
    1 context sentence
    Summary · context
    Here, we report that intracellular NAD contents increased upon exposure of cell lines or primary cultures to exogenous NAD (eNAD).
  7. 07LabIn vitro (cells)Mechanism

    In cells exposed to exogenous NAD, mitochondrial ATP production increased.

    In plain wordsIn cells, exogenous NAD increased mitochondrial ATP production.

    Outcome
    IncreaseMitochondrial ATP production
    Study

    n: not reported in source

    Cell lines or primary cultures
    Outcome group
    Mitochondrial function · Whole body
    Studied dose
    Dose not stated

    Source sentences

    Summary
    We found that in mitochondria of cells exposed to eNAD, NAD and NADH as well as oxygen consumption and ATP production were increased.
    1 context sentence
    Summary · context
    Here, we report that intracellular NAD contents increased upon exposure of cell lines or primary cultures to exogenous NAD (eNAD).
  8. 08LabIn vitro (cells)Mechanism

    In cells, DNA repair remained unaltered during exogenous NAD exposure.

    In plain wordsIn cells, exogenous NAD did not change DNA repair.

    Outcome
    No significant changeDNA repair
    Study

    n: not reported in source

    Cell lines or primary cultures
    Outcome group
    Mitochondrial function · Whole body
    Studied dose
    Dose not stated

    Source sentences

    Summary
    Conversely, DNA repair, a well known NAD-dependent process, was unaltered upon eNAD exposure.
    1 context sentence
    Summary · context
    Here, we report that intracellular NAD contents increased upon exposure of cell lines or primary cultures to exogenous NAD (eNAD).
  9. 09LabIn vitro (cells)Efficacy outcome

    In cells, exogenous NAD conferred significant protection from staurosporine-induced apoptosis.

    In plain wordsIn cells, exogenous NAD protected against apoptosis induced by staurosporine.

    Outcome
    DecreaseStaurosporine-induced apoptosis
    Study

    n: not reported in source

    Cell lines or primary cultures
    Outcome group
    Mitochondrial function · Whole body
    Studied dose
    Dose not stated

    Source sentences

    Summary
    We also report that eNAD conferred significant cytoprotection from apoptosis triggered by staurosporine, C2-ceramide, or N-methyl-N'-nitro-N-nitrosoguanidine.
    1 context sentence
    Summary · context
    Here, we report that intracellular NAD contents increased upon exposure of cell lines or primary cultures to exogenous NAD (eNAD).
  10. 10LabIn vitro (cells)Efficacy outcome

    In cells, exogenous NAD conferred significant protection from C2-ceramide-induced apoptosis.

    In plain wordsIn cells, exogenous NAD protected against apoptosis induced by C2-ceramide.

    Outcome
    DecreaseC2-ceramide-induced apoptosis
    Study

    n: not reported in source

    Cell lines or primary cultures
    Outcome group
    Mitochondrial function · Whole body
    Studied dose
    Dose not stated

    Source sentences

    Summary
    We also report that eNAD conferred significant cytoprotection from apoptosis triggered by staurosporine, C2-ceramide, or N-methyl-N'-nitro-N-nitrosoguanidine.
    1 context sentence
    Summary · context
    Here, we report that intracellular NAD contents increased upon exposure of cell lines or primary cultures to exogenous NAD (eNAD).
  11. 11LabIn vitro (cells)Efficacy outcome

    In cells, exogenous NAD conferred significant protection from apoptosis induced by N-methyl-N'-nitro-N-nitrosoguanidine.

    In plain wordsIn cells, exogenous NAD protected against apoptosis induced by N-methyl-N'-nitro-N-nitrosoguanidine.

    Outcome
    DecreaseN-methyl-N'-nitro-N-nitrosoguanidine-induced apoptosis
    Study

    n: not reported in source

    Cell lines or primary cultures
    Outcome group
    Mitochondrial function · Whole body
    Studied dose
    Dose not stated

    Source sentences

    Summary
    We also report that eNAD conferred significant cytoprotection from apoptosis triggered by staurosporine, C2-ceramide, or N-methyl-N'-nitro-N-nitrosoguanidine.
    1 context sentence
    Summary · context
    Here, we report that intracellular NAD contents increased upon exposure of cell lines or primary cultures to exogenous NAD (eNAD).
  12. 12LabIn vitro (cells)Mechanism

    In cells, exogenous NAD reduced staurosporine-induced loss of mitochondrial membrane potential.

    In plain wordsIn cells, exogenous NAD reduced mitochondrial membrane potential loss induced by staurosporine.

    Outcome
    DecreaseMitochondrial membrane potential loss
    Study

    n: not reported in source

    Cell lines or primary cultures
    Outcome group
    Mitochondrial function · Whole body
    Studied dose
    Dose not stated

    Source sentences

    Summary
    In particular, eNAD reduced staurosporine-induced loss of mitochondrial membrane potential and ensuing caspase activation.
    1 context sentence
    Summary · context
    Here, we report that intracellular NAD contents increased upon exposure of cell lines or primary cultures to exogenous NAD (eNAD).
  13. 13LabIn vitro (cells)Mechanism

    In cells, exogenous NAD reduced caspase activation following staurosporine-induced loss of mitochondrial membrane potential.

    In plain wordsIn cells, exogenous NAD reduced caspase activation after staurosporine exposure.

    Outcome
    DecreaseCaspase activation
    Study

    n: not reported in source

    Cell lines or primary cultures
    Outcome group
    Mitochondrial function · Whole body
    Studied dose
    Dose not stated

    Source sentences

    Summary
    In particular, eNAD reduced staurosporine-induced loss of mitochondrial membrane potential and ensuing caspase activation.
    1 context sentence
    Summary · context
    Here, we report that intracellular NAD contents increased upon exposure of cell lines or primary cultures to exogenous NAD (eNAD).

Studies that did not test the peptide alone3

In this study, NAD+ (nicotinamide adenine dinucleotide) was a lab tool or a carrier, part of a mix, or the subject of a lab method. These results are not evidence about taking NAD+ (nicotinamide adenine dinucleotide).

  1. 14LabNot a test of NAD+ (nicotinamide adenine dinucleotide) aloneIn vitro (cells)Mechanism

    In cells, SIRT1 inhibition or silencing abolished protection from staurosporine provided by exogenous NAD.

    In plain wordsIn cells, SIRT1 inhibition or silencing abolished the protection from staurosporine provided by exogenous NAD.

    Outcome
    DecreaseSIRT1 dependence of staurosporine protection
    Study

    n: not reported in source

    Cell lines or primary cultures
    Outcome group
    Mitochondrial function · Whole body

    Source sentences

    Summary
    Of importance, pharmacological inhibition or silencing of the NAD-dependent enzyme SIRT1 abrogated the ability of eNAD to provide protection from staurosporine, having no effect on eNAD-dependent protection from C2-ceramide or N-methyl-N'-nitro-N-nitrosoguanidine.
    1 context sentence
    Summary · context
    Here, we report that intracellular NAD contents increased upon exposure of cell lines or primary cultures to exogenous NAD (eNAD).

    In this study, NAD+ (nicotinamide adenine dinucleotide) was a lab tool or a carrier, part of a mix, or the subject of a lab method. This result is not evidence about taking NAD+ (nicotinamide adenine dinucleotide).

  2. 15LabNot a test of NAD+ (nicotinamide adenine dinucleotide) aloneIn vitro (cells)Mechanism

    In cells, SIRT1 inhibition or silencing did not affect protection from C2-ceramide provided by exogenous NAD.

    In plain wordsIn cells, SIRT1 inhibition or silencing did not affect the protection from C2-ceramide provided by exogenous NAD.

    Outcome
    No significant changeSIRT1 dependence of C2-ceramide protection
    Study

    n: not reported in source

    Cell lines or primary cultures
    Outcome group
    Mitochondrial function · Whole body

    Source sentences

    Summary
    Of importance, pharmacological inhibition or silencing of the NAD-dependent enzyme SIRT1 abrogated the ability of eNAD to provide protection from staurosporine, having no effect on eNAD-dependent protection from C2-ceramide or N-methyl-N'-nitro-N-nitrosoguanidine.
    1 context sentence
    Summary · context
    Here, we report that intracellular NAD contents increased upon exposure of cell lines or primary cultures to exogenous NAD (eNAD).

    In this study, NAD+ (nicotinamide adenine dinucleotide) was a lab tool or a carrier, part of a mix, or the subject of a lab method. This result is not evidence about taking NAD+ (nicotinamide adenine dinucleotide).

  3. 16LabNot a test of NAD+ (nicotinamide adenine dinucleotide) aloneIn vitro (cells)Mechanism

    In cells, SIRT1 inhibition or silencing did not affect NAD-dependent protection from N-methyl-N'-nitro-N-nitrosoguanidine.

    In plain wordsIn cells, SIRT1 inhibition or silencing did not affect NAD-dependent protection from N-methyl-N'-nitro-N-nitrosoguanidine.

    Outcome
    No significant changeSIRT1 dependence of N-methyl-N'-nitro-N-nitrosoguanidine protection
    Study

    n: not reported in source

    Cell lines or primary cultures
    Outcome group
    Mitochondrial function · Whole body

    Source sentences

    Summary
    Of importance, pharmacological inhibition or silencing of the NAD-dependent enzyme SIRT1 abrogated the ability of eNAD to provide protection from staurosporine, having no effect on eNAD-dependent protection from C2-ceramide or N-methyl-N'-nitro-N-nitrosoguanidine.
    1 context sentence
    Summary · context
    Here, we report that intracellular NAD contents increased upon exposure of cell lines or primary cultures to exogenous NAD (eNAD).

    In this study, NAD+ (nicotinamide adenine dinucleotide) was a lab tool or a carrier, part of a mix, or the subject of a lab method. This result is not evidence about taking NAD+ (nicotinamide adenine dinucleotide).

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

    14 Oct 2026, 05:02 UTC

    Study results updated

  2. Version 1

    14 Oct 2026, 01:46 UTC

    First added · source update from Europe PMC

Subjects

Terms as the source lists them.

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