Skip to content

Study · Measured the body's own peptide · 1987

7 results

Determination of thymosin beta 4 in human blood cells and serum.

Hannappel E, van Kampen M

Journal of chromatography1 Jun 1987Cited by 92 (Europe PMC)

PMID3654821 (opens in a new tab)DOI10.1016/s0021-9673(01)85010-x (opens in a new tab)PepBankPUB-03654821
Publisher pagePubMedAsk about this study
Jump to 7 results

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 study7

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

Natural levels measured7

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 tissueOther

    In human blood, polymorphonuclear leukocytes contained 409 fg of the body's own thymosin beta‑4 per cell by HPLC.

    In plain wordsIn lab tests on human blood, the body's own thymosin beta‑4 was measured in white blood cells at 409 fg per cell.

    Peptide
    Thymosin beta-4 (human)
    Outcome
    Not applicableThymosin beta 4 content, polymorphonuclear leukocytes
    Study

    humann: not reported in source

    human blood cells, plasma and serum
    Outcome group
    Endogenous peptide levels · Whole body

    Measurements

    Thymosin beta 4 content
    409 fg per cell
    polymorphonuclear leukocytes

    Source sentences

    Summary
    The following amounts (fg per cell) were determined: polymorphonuclear leukocytes (409), mononuclear leukocytes (267) and platelets (22.3).
    1 context sentence
    Summary · context
    A simple one-step procedure for the determination of thymosin beta 4 in whole blood, various blood corpuscles, plasma and serum by reversed-phase high-performance liquid chromatography (HPLC) is described.

    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 tissueOther

    In human blood, mononuclear leukocytes contained 267 fg of the body's own thymosin beta‑4 per cell by HPLC.

    In plain wordsIn lab tests on human blood, the body's own thymosin beta‑4 was measured in mononuclear white blood cells at 267 fg per cell.

    Peptide
    Thymosin beta-4 (human)
    Outcome
    Not applicableThymosin beta 4 content, mononuclear leukocytes
    Study

    humann: not reported in source

    human blood cells, plasma and serum
    Outcome group
    Endogenous peptide levels · Whole body

    Measurements

    Thymosin beta 4 content
    267 fg per cell
    mononuclear leukocytes

    Source sentences

    Summary
    The following amounts (fg per cell) were determined: polymorphonuclear leukocytes (409), mononuclear leukocytes (267) and platelets (22.3).
    1 context sentence
    Summary · context
    A simple one-step procedure for the determination of thymosin beta 4 in whole blood, various blood corpuscles, plasma and serum by reversed-phase high-performance liquid chromatography (HPLC) is described.

    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 tissueOther

    In human blood, platelets contained 22.3 fg of the body's own thymosin beta‑4 per cell by HPLC.

    In plain wordsIn lab tests on human blood, the body's own thymosin beta‑4 was measured in platelets at 22.3 fg per cell.

    Peptide
    Thymosin beta-4 (human)
    Outcome
    Not applicableThymosin beta 4 content, platelets
    Study

    humann: not reported in source

    human blood cells, plasma and serum
    Outcome group
    Endogenous peptide levels · Whole body

    Measurements

    Thymosin beta 4 content
    22.3 fg per cell
    platelets

    Source sentences

    Summary
    The following amounts (fg per cell) were determined: polymorphonuclear leukocytes (409), mononuclear leukocytes (267) and platelets (22.3).
    1 context sentence
    Summary · context
    A simple one-step procedure for the determination of thymosin beta 4 in whole blood, various blood corpuscles, plasma and serum by reversed-phase high-performance liquid chromatography (HPLC) is described.

    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 levelEx vivo tissueOther

    In human blood, erythrocytes contained no thymosin beta‑4.

    In plain wordsIn lab tests on human blood, red blood cells contained none of the body's own thymosin beta‑4.

    Peptide
    Thymosin beta-4 (human)
    Outcome
    Not applicableThymosin beta 4 content, erythrocytes
    Study

    humann: not reported in source

    human blood cells, plasma and serum
    Outcome group
    Endogenous peptide levels · Whole body

    Source sentences

    Summary
    Erythrocytes contained no thymosin beta 4.
    1 context sentence
    Summary · context
    A simple one-step procedure for the determination of thymosin beta 4 in whole blood, various blood corpuscles, plasma and serum by reversed-phase high-performance liquid chromatography (HPLC) is described.

    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 levelEx vivo tissueOther

    The average concentration of thymosin beta‑4 in an extract of human whole blood was 16.3 micrograms/ml.

    In plain wordsIn lab tests, the body's own thymosin beta‑4 in a whole blood extract averaged 16.3 micrograms/ml.

    Peptide
    Thymosin beta-4 (human)
    Outcome
    Not applicableThymosin beta 4 concentration, whole blood extract
    Study

    humann: not reported in source

    human blood cells, plasma and serum
    Outcome group
    Endogenous peptide levels · Whole body

    Measurements

    Thymosin beta 4 concentration
    16.3 micrograms/ml
    whole blood extract

    Source sentences

    Summary
    The average concentration of thymosin beta 4 in an extract of whole blood was 16.3 micrograms/ml.
    1 context sentence
    Summary · context
    A simple one-step procedure for the determination of thymosin beta 4 in whole blood, various blood corpuscles, plasma and serum by reversed-phase high-performance liquid chromatography (HPLC) is described.

    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 levelEx vivo tissueOther

    The plasma concentration of thymosin beta‑4 was less than 1% of the whole blood extract value.

    In plain wordsIn lab tests, the body's own thymosin beta‑4 in plasma was less than 1% of the level in whole blood extract.

    Peptide
    Thymosin beta-4 (human)
    Outcome
    Not applicableThymosin beta 4 concentration, plasma
    Study

    humann: not reported in source

    human blood cells, plasma and serum
    Outcome group
    Endogenous peptide levels · Whole body

    Source sentences

    Summary
    The concentration in plasma was less than 1% of that value.
    1 context sentence
    Summary · context
    A simple one-step procedure for the determination of thymosin beta 4 in whole blood, various blood corpuscles, plasma and serum by reversed-phase high-performance liquid chromatography (HPLC) is described.

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

  7. 07LabEndogenous levelEx vivo tissueOther

    When serum stayed on the clotted blood, its thymosin beta‑4 concentration rose from 0.04 to 2.1 micrograms/ml within 24 h.

    In plain wordsIn lab tests, the body's own thymosin beta‑4 in serum left on clotted blood rose from 0.04 to 2.1 micrograms/ml within 24 hours.

    Peptide
    Thymosin beta-4 (human)
    Outcome
    IncreaseSerum thymosin beta 4 after clotting for 24 h
    Study

    humann: not reported in source

    human blood cells, plasma and serum
    Outcome group
    Endogenous peptide levels · Whole body

    Measurements

    Serum concentration at start
    0.04 micrograms/ml
    serum left on clotted blood
    Serum concentration at 24 h
    2.1 micrograms/ml
    serum left on clotted blood

    Source sentences

    Summary
    However, if serum was prepared and not immediately removed from the clotted blood, the concentration of the peptide increased from 0.04 to 2.1 micrograms/ml within 24 h.
    1 context sentence
    Summary · context
    A simple one-step procedure for the determination of thymosin beta 4 in whole blood, various blood corpuscles, plasma and serum by reversed-phase high-performance liquid chromatography (HPLC) is described.

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

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.