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Study · Ex vivo tissue · mouse · 1989

10 results

Thymosins alpha 1 and beta 4 potentiate the antigen-presenting capacity of macrophages.

Tzehoval E, Sztein MB, Goldstein AL

Immunopharmacology1 Sept 1989Cited by 28 (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 study10

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

  1. 01LabEx vivo tissueMechanism

    Thymosin presence during macrophage pulsing with KLH significantly enhanced lymph node cell proliferation to KLH in mice.

    In plain wordsIn mice, thymosins present during antigen pulsing raised lymph node cell growth in response to the antigen.

    Outcome
    IncreaseLymph node cell proliferation to KLH
    Study

    mousen: not reported in source

    Outcome group
    Immune response · Immune and inflammation
    Studied dose
    10(-8) to 10(-10) M · in vitroAs given in this study (mouse).

    Source sentences

    Summary
    the presence of thymosins during the pulsing of macrophages with KLH led to significantly enhanced lymph node cell proliferation responses to KLH
    2 context sentences
    Summary · context
    The concentrations of T alpha 1 and T beta 4 required for amplification were 10(-8) to 10(-10) M, well within the physiological range of activity of most peptide hormones.
    Summary · context
    Macrophage monolayers were pulsed with keyhole limpet hemocyanin (KLH) in the absence or presence of thymosins, washed and overlaid with spleen cells.
  2. 02LabEx vivo tissueMechanism

    Thymosin presence during macrophage pulsing with KLH was correlated with increased IL-2 production in lymph node cells.

    In plain wordsIn mice, thymosins present during antigen pulsing went with higher IL-2 production.

    Outcome
    IncreaseIL-2 production
    Study

    mousen: not reported in source

    Outcome group
    Immune response · Immune and inflammation
    Studied dose
    10(-8) to 10(-10) M · in vitroAs given in this study (mouse).

    Source sentences

    Summary
    the presence of thymosins during the pulsing of macrophages with KLH led to significantly enhanced lymph node cell proliferation responses to KLH was correlated to increased IL-2 production and IL-2R expression.
    2 context sentences
    Summary · context
    The concentrations of T alpha 1 and T beta 4 required for amplification were 10(-8) to 10(-10) M, well within the physiological range of activity of most peptide hormones.
    Summary · context
    Macrophage monolayers were pulsed with keyhole limpet hemocyanin (KLH) in the absence or presence of thymosins, washed and overlaid with spleen cells.
  3. 03LabEx vivo tissueMechanism

    Thymosin presence during macrophage pulsing with KLH was correlated with increased IL-2 receptor expression on lymph node cells.

    In plain wordsIn mice, thymosins present during antigen pulsing went with more IL-2 receptors on cells.

    Outcome
    IncreaseIL-2 receptor expression
    Study

    mousen: not reported in source

    Outcome group
    Immune response · Immune and inflammation
    Studied dose
    10(-8) to 10(-10) M · in vitroAs given in this study (mouse).

    Source sentences

    Summary
    the presence of thymosins during the pulsing of macrophages with KLH led to significantly enhanced lymph node cell proliferation responses to KLH was correlated to increased IL-2 production and IL-2R expression.
    2 context sentences
    Summary · context
    The concentrations of T alpha 1 and T beta 4 required for amplification were 10(-8) to 10(-10) M, well within the physiological range of activity of most peptide hormones.
    Summary · context
    Macrophage monolayers were pulsed with keyhole limpet hemocyanin (KLH) in the absence or presence of thymosins, washed and overlaid with spleen cells.
  4. 04LabEx vivo tissueMechanism

    The enhanced IL-2 secretion with thymosins was not accompanied by IL-4 production.

    In plain wordsIn mice, the thymosins raised IL-2 but did not raise IL-4 production.

    Outcome
    No significant changeIL-4 production
    Study

    mousen: not reported in source

    Outcome group
    Immune response · Immune and inflammation
    Studied dose
    10(-8) to 10(-10) M · in vitroAs given in this study (mouse).

    Source sentences

    Summary
    The observed enhancement of IL-2 secretion was not accompanied by interleukin 4 (IL-4) production.
    1 context sentence
    Summary · context
    Macrophage monolayers were pulsed with keyhole limpet hemocyanin (KLH) in the absence or presence of thymosins, washed and overlaid with spleen cells.
  5. 05LabEx vivo tissueActivity measurement

    In an in vitro macrophage-dependent T-cell proliferation system, thymosin beta‑4 augmented the antigen-presenting capacity of macrophages.

    In plain wordsIn lab tests with mouse cells, thymosin beta‑4 made macrophages better at presenting antigen to immune cells.

    Outcome
    IncreaseAntigen-presenting capacity of macrophages
    Study

    mousen: not reported in source

    KLH-pulsed macrophage-dependent T-cell proliferation system
    Comparator
    Macrophages pulsed without thymosins
    Outcome group
    Immune response · Immune and inflammation
    Studied dose
    10(-8) to 10(-10) MAs given in this study (mouse).

    Source sentences

    Summary
    Using an in vitro antigen (Ag)-specific macrophage-dependent T-cell proliferation system, we found that both thymosin alpha 1 (T alpha 1) and thymosin beta 4 (T beta 4) augment the Ag-presenting capacity of macrophages.
    2 context sentences
    Summary · context
    Macrophage monolayers were pulsed with keyhole limpet hemocyanin (KLH) in the absence or presence of thymosins, washed and overlaid with spleen cells.
    Summary · context
    The concentrations of T alpha 1 and T beta 4 required for amplification were 10(-8) to 10(-10) M, well within the physiological range of activity of most peptide hormones.
  6. 06LabEx vivo tissueActivity measurement

    Macrophages pulsed with KLH in the presence of thymosin beta‑4 led to significantly enhanced lymph node cell proliferation to KLH.

    In plain wordsIn lab tests with mouse cells, thymosin beta‑4 increased the growth of immune cells that respond to the antigen.

    Outcome
    IncreaseLymph node cell proliferation to KLH
    Study

    mousen: not reported in source

    KLH-pulsed macrophage-dependent T-cell proliferation system
    Comparator
    Macrophages pulsed without thymosins
    Outcome group
    Immune response · Immune and inflammation
    Studied dose
    10(-8) to 10(-10) MAs given in this study (mouse).

    Source sentences

    Summary
    We found that the presence of thymosins during the pulsing of macrophages with KLH led to significantly enhanced lymph node cell proliferation responses to KLH was correlated to increased IL-2 production and IL-2R expression.
    3 context sentences
    Summary · context
    Using an in vitro antigen (Ag)-specific macrophage-dependent T-cell proliferation system, we found that both thymosin alpha 1 (T alpha 1) and thymosin beta 4 (T beta 4) augment the Ag-presenting capacity of macrophages.
    Summary · context
    Macrophage monolayers were pulsed with keyhole limpet hemocyanin (KLH) in the absence or presence of thymosins, washed and overlaid with spleen cells.
    Summary · context
    The concentrations of T alpha 1 and T beta 4 required for amplification were 10(-8) to 10(-10) M, well within the physiological range of activity of most peptide hormones.
  7. 07LabEx vivo tissueActivity measurement

    Macrophages pulsed with KLH in the presence of thymosin beta‑4 led to increased IL-2 production by lymph node cells.

    In plain wordsIn lab tests with mouse cells, thymosin beta‑4 increased IL-2 production by immune cells.

    Outcome
    IncreaseIL-2 production
    Study

    mousen: not reported in source

    KLH-pulsed macrophage-dependent T-cell proliferation system
    Comparator
    Macrophages pulsed without thymosins
    Outcome group
    Immune response · Immune and inflammation
    Studied dose
    10(-8) to 10(-10) MAs given in this study (mouse).

    Source sentences

    Summary
    We found that the presence of thymosins during the pulsing of macrophages with KLH led to significantly enhanced lymph node cell proliferation responses to KLH was correlated to increased IL-2 production and IL-2R expression.
    3 context sentences
    Summary · context
    Using an in vitro antigen (Ag)-specific macrophage-dependent T-cell proliferation system, we found that both thymosin alpha 1 (T alpha 1) and thymosin beta 4 (T beta 4) augment the Ag-presenting capacity of macrophages.
    Summary · context
    Macrophage monolayers were pulsed with keyhole limpet hemocyanin (KLH) in the absence or presence of thymosins, washed and overlaid with spleen cells.
    Summary · context
    The concentrations of T alpha 1 and T beta 4 required for amplification were 10(-8) to 10(-10) M, well within the physiological range of activity of most peptide hormones.
  8. 08LabEx vivo tissueActivity measurement

    Macrophages pulsed with KLH in the presence of thymosin beta‑4 led to increased IL-2 receptor expression on lymph node cells.

    In plain wordsIn lab tests with mouse cells, thymosin beta‑4 increased IL-2 receptor levels on immune cells.

    Outcome
    IncreaseIL-2 receptor expression
    Study

    mousen: not reported in source

    KLH-pulsed macrophage-dependent T-cell proliferation system
    Comparator
    Macrophages pulsed without thymosins
    Outcome group
    Immune response · Immune and inflammation
    Studied dose
    10(-8) to 10(-10) MAs given in this study (mouse).

    Source sentences

    Summary
    We found that the presence of thymosins during the pulsing of macrophages with KLH led to significantly enhanced lymph node cell proliferation responses to KLH was correlated to increased IL-2 production and IL-2R expression.
    3 context sentences
    Summary · context
    Using an in vitro antigen (Ag)-specific macrophage-dependent T-cell proliferation system, we found that both thymosin alpha 1 (T alpha 1) and thymosin beta 4 (T beta 4) augment the Ag-presenting capacity of macrophages.
    Summary · context
    Macrophage monolayers were pulsed with keyhole limpet hemocyanin (KLH) in the absence or presence of thymosins, washed and overlaid with spleen cells.
    Summary · context
    The concentrations of T alpha 1 and T beta 4 required for amplification were 10(-8) to 10(-10) M, well within the physiological range of activity of most peptide hormones.
  9. 09LabEx vivo tissueActivity measurement

    In the macrophage antigen-presentation system, the thymosin beta‑4-enhanced IL-2 secretion was not accompanied by IL-4 production.

    In plain wordsIn lab tests with mouse cells, thymosin beta‑4 raised IL-2 but IL-4 was not produced.

    Outcome
    No significant changeIL-4 production
    Study

    mousen: not reported in source

    KLH-pulsed macrophage-dependent T-cell proliferation system
    Comparator
    Macrophages pulsed without thymosins
    Outcome group
    Immune response · Immune and inflammation
    Studied dose
    10(-8) to 10(-10) MAs given in this study (mouse).

    Source sentences

    Summary
    The observed enhancement of IL-2 secretion was not accompanied by interleukin 4 (IL-4) production.
    3 context sentences
    Summary · context
    Using an in vitro antigen (Ag)-specific macrophage-dependent T-cell proliferation system, we found that both thymosin alpha 1 (T alpha 1) and thymosin beta 4 (T beta 4) augment the Ag-presenting capacity of macrophages.
    Summary · context
    Macrophage monolayers were pulsed with keyhole limpet hemocyanin (KLH) in the absence or presence of thymosins, washed and overlaid with spleen cells.
    Summary · context
    The concentrations of T alpha 1 and T beta 4 required for amplification were 10(-8) to 10(-10) M, well within the physiological range of activity of most peptide hormones.
  10. 10LabIn vitro (cells)Mechanism

    In an in vitro macrophage and T-cell system, thymosin alpha‑1 augmented the antigen-presenting capacity of macrophages.

    In plain wordsIn lab tests with mouse cells, thymosin alpha‑1 made macrophages better at presenting antigen.

    Outcome
    IncreaseAntigen-presenting capacity of macrophages
    Study

    mousen: not reported in source

    Outcome group
    Immune response · Immune and inflammation
    Studied dose
    10(-8) to 10(-10) M · in vitroAs given in this study (mouse).

    Source sentences

    Summary
    Using an in vitro antigen (Ag)-specific macrophage-dependent T-cell proliferation system, we found that both thymosin alpha 1 (T alpha 1) and thymosin beta 4 (T beta 4) augment the Ag-presenting capacity of macrophages.
    2 context sentences
    Summary · context
    The concentrations of T alpha 1 and T beta 4 required for amplification were 10(-8) to 10(-10) M, well within the physiological range of activity of most peptide hormones.
    Summary · context
    Macrophage monolayers were pulsed with keyhole limpet hemocyanin (KLH) in the absence or presence of thymosins, washed and overlaid with spleen cells.

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 4Current

    12 Oct 2026, 18:17 UTC

    Study data updated · source update from Europe PMC

  2. Version 3

    10 Oct 2026, 08:55 UTC

    Study results updated

  3. Version 2

    9 Oct 2026, 03:03 UTC

    Study data updated · source update from Europe PMC

  4. Version 1

    9 Oct 2026, 03:02 UTC

    First added · source update from Europe PMC

Subjects

Terms as the source lists them.

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