Skip to content

Study · Measured the body's own peptide · 1987

10 results

Differential expression of the human thymosin-beta 4 gene in lymphocytes, macrophages, and granulocytes.

Gondo H, Kudo J, White JW, Barr C, Selvanayagam P, Saunders GF

Journal of immunology (Baltimore, Md. : 1950)1 Dec 1987Cited by 54 (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

No result from this study comes from a test of the peptide.

Natural levels measured6

These results measure the body's own peptide. Nobody was given the peptide. They are not evidence about taking it. They are left out of key results, evidence counts and charts.

  1. 01LabEndogenous levelEx vivo tissueMechanism

    Steady state thymosin beta‑4 mRNA levels in neoplastic B lymphocytes varied with the differentiation stage.

    In plain wordsIn human leukemia cells, the body's own thymosin beta‑4 messenger RNA differed by cell maturation stage.

    Outcome
    MixedThymosin-beta 4 mRNA across B lymphocyte differentiation stages
    Study

    humann: not reported in source

    neoplastic B lymphocytes
    Outcome group
    Gene expression · Immune and inflammation

    Source sentences

    Summary
    Northern blot analyses of different neoplastic B lymphocytes revealed that steady state levels of thymosin-beta 4 mRNA varied as a function of differentiation stage.

    This result measures the body's own Thymosin beta-4 (human). Nobody was given the peptide. It is not evidence about taking it.

  2. 02LabEndogenous levelEx vivo tissueMechanism

    Thymosin beta‑4 mRNA levels were decreased in myeloma cells, as were class II human leukocyte antigen, Fc receptor and complement receptor.

    In plain wordsIn human myeloma cells, the body's own thymosin beta‑4 messenger RNA was lower.

    Outcome
    DecreaseThymosin-beta 4 mRNA in myeloma cells
    Study

    humann: not reported in source

    myeloma cells
    Outcome group
    Gene expression · Immune and inflammation

    Source sentences

    Summary
    Thymosin-beta 4 mRNA levels were decreased in myeloma cells as are class II human leukocyte antigen, Fc receptor, and complement receptor, suggesting a relationship between thymosin-beta 4 and the immune response.

    This result measures the body's own Thymosin beta-4 (human). Nobody was given the peptide. It is not evidence about taking it.

  3. 03LabEndogenous levelEx vivo tissueMechanism

    Thymosin beta‑4 mRNA was more highly expressed in mature granulocytes than in immature blastic cells.

    In plain wordsIn human cells, the body's own thymosin beta‑4 messenger RNA was higher in mature granulocytes than in immature cells.

    Outcome
    IncreaseThymosin-beta 4 mRNA in mature granulocytes versus immature blastic cells
    Study

    humann: not reported in source

    granulocytes and blastic cells
    Comparator
    Immature blastic cells
    Outcome group
    Gene expression · Immune and inflammation

    Source sentences

    Summary
    Thymosin-beta 4 mRNA was more highly expressed in mature granulocytes than in immature blastic cells.

    This result measures the body's own Thymosin beta-4 (human). Nobody was given the peptide. It is not evidence about taking it.

  4. 04LabEndogenous levelIn vitro (cells)Mechanism

    Treatment of THP-1 monocytic cells with recombinant human interferon-lambda reduced thymosin beta‑4 mRNA levels.

    In plain wordsIn human cells, interferon-lambda lowered the body's own thymosin beta‑4 messenger RNA.

    Outcome
    DecreaseThymosin-beta 4 mRNA after interferon-lambda in THP-1 cells
    Study

    humann: not reported in source

    THP-1 monocytic cell line
    Outcome group
    Gene expression · Immune and inflammation

    Source sentences

    Summary
    Treatment of THP-1 cells, a human monocytic cell line, with recombinant human interferon-lambda reduced the levels of thymosin-beta 4 mRNA.

    This result measures the body's own Thymosin beta-4 (human). Nobody was given the peptide. It is not evidence about taking it.

  5. 05LabEndogenous levelIn vitro (cells)Mechanism

    Thymosin beta‑4 mRNA level decreased after differentiation of THP-1 cells into Ia+ macrophages.

    In plain wordsIn human cells, the body's own thymosin beta‑4 messenger RNA fell when THP-1 cells became macrophages.

    Outcome
    DecreaseThymosin-beta 4 mRNA after THP-1 differentiation into Ia+ macrophages
    Study

    humann: not reported in source

    THP-1 cells differentiated into Ia+ macrophages
    Outcome group
    Gene expression · Immune and inflammation

    Source sentences

    Summary
    Its level decreased after differentiation of THP-1 cells into Ia+ macrophages, but increased after differentiation of HL-60 cells into Ia- macrophages.

    This result measures the body's own Thymosin beta-4 (human). Nobody was given the peptide. It is not evidence about taking it.

  6. 06LabEndogenous levelIn vitro (cells)Mechanism

    Thymosin beta‑4 mRNA level increased after differentiation of HL-60 cells into Ia- macrophages.

    In plain wordsIn human cells, the body's own thymosin beta‑4 messenger RNA rose when HL-60 cells became macrophages.

    Outcome
    IncreaseThymosin-beta 4 mRNA after HL-60 differentiation into Ia- macrophages
    Study

    humann: not reported in source

    HL-60 cells differentiated into Ia- macrophages
    Outcome group
    Gene expression · Immune and inflammation

    Source sentences

    Summary
    Its level decreased after differentiation of THP-1 cells into Ia+ macrophages, but increased after differentiation of HL-60 cells into Ia- macrophages.

    This result measures the body's own Thymosin beta-4 (human). Nobody was given the peptide. It is not evidence about taking it.

Studies that did not test the peptide alone4

In this study, Thymosin beta-4 (human) 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 Thymosin beta-4 (human).

  1. 07LabNot a test of Thymosin beta-4 (human) aloneEx vivo tissueOther

    Human thymosin beta‑4 mRNA was approximately 830 nucleotides long, about 30 nucleotides larger than rat thymosin beta‑4 mRNA.

    In plain wordsIn lab tests, human thymosin beta‑4 messenger RNA was slightly longer than the rat version.

    Outcome
    Not applicableLength of human thymosin-beta 4 mRNA
    Study

    humann: not reported in source

    RNA from malignant leukocytes
    Outcome group
    Synthesis and manufacturing · Pharmacology

    Measurements

    mRNA length
    ≈ 830 nucleotides
    human thymosin-beta 4

    Source sentences

    Summary
    Human thymosin-beta 4 mRNA, approximately 830 nucleotides in length, was about 30 nucleotides larger than rat thymosin-beta 4 mRNA.

    In this study, Thymosin beta-4 (human) 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 Thymosin beta-4 (human).

  2. 08Computer modelNot a test of Thymosin beta-4 (human) aloneIn silicoOther

    Nine of 132 nucleotides differed in the coding sequences of human and rat thymosin beta‑4 (93% homology), but the deduced amino acid sequences were identical.

    In plain wordsIn sequence comparison, human and rat thymosin beta‑4 had identical amino acid sequences.

    Outcome
    Not applicableSequence conservation of thymosin-beta 4 between human and rat
    Study

    humann: not reported in source

    cDNA sequence comparison
    Outcome group
    Synthesis and manufacturing · Pharmacology

    Measurements

    nucleotide homology
    93%
    coding region, human versus rat

    Source sentences

    Summary
    Nine of 132 nucleotides were different in the coding sequences (93% homology), but the deduced amino acid sequences were identical.

    In this study, Thymosin beta-4 (human) 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 Thymosin beta-4 (human).

  3. 09Computer modelNot a test of Thymosin beta-4 (human) aloneIn silicoOther

    A human cDNA clone contained the entire coding sequence of 43 amino acid residues of thymosin beta‑4, with an initiation codon and two termination codons.

    In plain wordsIn sequence analysis, the human thymosin beta‑4 gene clone coded for 43 amino acids.

    Outcome
    Not applicableCoding sequence length of the human thymosin-beta 4 cDNA clone
    Study

    humann: not reported in source

    cDNA clone from leukocyte library
    Outcome group
    Synthesis and manufacturing · Pharmacology

    Measurements

    coding sequence length
    43 amino acid residues
    human thymosin-beta 4 cDNA clone

    Source sentences

    Summary
    This clone contained the entire coding sequence of 43 amino acid residues of thymosin-beta 4 and had an initiation codon and two termination codons.

    In this study, Thymosin beta-4 (human) 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 Thymosin beta-4 (human).

  4. 10Computer modelNot a test of Thymosin beta-4 (human) aloneIn silicoOther

    No signal peptide was found in the deduced protein sequence of human thymosin beta‑4.

    In plain wordsIn sequence analysis, no signal peptide was found in human thymosin beta‑4.

    Outcome
    Not applicableSignal peptide in the deduced human thymosin-beta 4 sequence
    Study

    humann: not reported in source

    deduced protein sequence from cDNA clone
    Outcome group
    Synthesis and manufacturing · Pharmacology

    Source sentences

    Summary
    No signal peptide was found in the deduced protein sequence.

    In this study, Thymosin beta-4 (human) 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 Thymosin beta-4 (human).

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

    13 Oct 2026, 01:52 UTC

    Study results updated

  2. Version 1

    12 Oct 2026, 18:17 UTC

    First added · source update from Europe PMC

Subjects

Terms as the source lists them.

PepBank is a research reference. Talk to a doctor before you use any peptide.