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Study · In vitro (cells) · rat · 1985

3 results

Vasoactive intestinal peptide increases tyrosine hydroxylase activity in normal and neoplastic rat chromaffin cell cultures.

Tischler AS, Perlman RL, Costopoulos D, Horwitz J

Neuroscience letters1 Oct 1985Cited by 26 (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)Activity measurement

    In cultured normal adult rat chromaffin cells, VIP at 10 microM increased tyrosine hydroxylase activity about 3-fold.

    In plain wordsIn rat adrenal cells in culture, a high VIP concentration raised the activity of tyrosine hydroxylase about 3-fold.

    Outcome
    IncreaseTyrosine hydroxylase activity in normal chromaffin cells
    Study

    ratn: not reported in source

    Cultured dispersed normal adult rat chromaffin cells
    Outcome group
    Receptor activity and mechanism · Endocrine and hormones
    Studied dose
    10 microMAs given in this study (rat).

    Measurements

    TH activity increase
    ≈ 3 fold
    normal chromaffin cells, VIP 10 microM

    Source sentences

    Summary
    High concentrations of VIP (10 microM) produce about 3-fold increases in TH activity in both cell types.
    1 context sentence
    Summary · context
    Vasoactive intestinal peptide (VIP) acutely increases tyrosine hydroxylase (TH) activity in cultures of dispersed normal adult rat chromaffin cells and of PC12 rat pheochromocytoma cells.
  2. 02LabIn vitro (cells)Activity measurement

    In PC12 rat pheochromocytoma cells, VIP at 10 microM increased tyrosine hydroxylase activity about 3-fold.

    In plain wordsIn rat tumour cells in culture, a high VIP concentration raised the activity of tyrosine hydroxylase about 3-fold.

    Outcome
    IncreaseTyrosine hydroxylase activity in PC12 cells
    Study

    ratn: not reported in source

    PC12 rat pheochromocytoma cells
    Outcome group
    Receptor activity and mechanism · Endocrine and hormones
    Studied dose
    10 microMAs given in this study (rat).

    Measurements

    TH activity increase
    ≈ 3 fold
    PC12 cells, VIP 10 microM

    Source sentences

    Summary
    High concentrations of VIP (10 microM) produce about 3-fold increases in TH activity in both cell types.
    1 context sentence
    Summary · context
    Vasoactive intestinal peptide (VIP) acutely increases tyrosine hydroxylase (TH) activity in cultures of dispersed normal adult rat chromaffin cells and of PC12 rat pheochromocytoma cells.
  3. 03LabIn vitro (cells)Activity measurement

    In PC12 rat pheochromocytoma cells, VIP increased the content of cyclic AMP.

    In plain wordsIn rat tumour cells in culture, VIP raised the level of the signalling molecule cAMP.

    Outcome
    IncreasecAMP content in PC12 cells
    Study

    ratn: not reported in source

    PC12 rat pheochromocytoma cells
    Outcome group
    Receptor activity and mechanism · Endocrine and hormones
    Studied dose
    Dose not stated

    Source sentences

    Summary
    VIP also increases the content of cyclic adenosine 3':5'-monophosphate (cAMP) in PC12 cells.
    1 context sentence
    Summary · context
    Vasoactive intestinal peptide (VIP) acutely increases tyrosine hydroxylase (TH) activity in cultures of dispersed normal adult rat chromaffin cells and of PC12 rat pheochromocytoma cells.

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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

    12 Oct 2026, 12:58 UTC

    Study results updated

  2. Version 1

    9 Oct 2026, 12:41 UTC

    First added · source update from Europe PMC

Subjects

Terms as the source lists them.

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