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Study · In vitro (cells) · 2015

14 results

Expression of thymosin beta-4 in human periodontal ligament cells and mouse periodontal tissue and its role in osteoblastic/cementoblastic differentiation.

Lee SI, Lee DW, Yun HM, Cha HJ, Bae CH, Cho ES, Kim EC

Differentiation; research in biological diversity1 Jul 2015Cited by 12 (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 study14

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

  1. 01LabIn vitro (cells)Efficacy outcome

    Tβ4 peptide promoted calcium nodule formation in periodontal ligament cells, cementoblasts and osteoblasts.

    In plain wordsIn cells, thymosin beta‑4 peptide increased calcium nodule formation.

    Outcome
    IncreaseCalcium nodule formation with Tβ4 peptide
    Study

    n: not reported in source

    hPDLCs, cementoblasts, osteoblasts
    Outcome group
    Bone and joint · Musculoskeletal
    Studied dose
    Dose not stated

    Source sentences

    Summary
    In contrast, Tβ4 activation using a Tβ4 peptide, promoted these processes by activation of Akt, p38, ERK MAPKs, and the NF-κB pathway.
    1 context sentence
    Summary · context
    The downregulation of Tβ4 expression by Tβ4 siRNA transfection inhibited osteoblastic differentiation by decreasing calcium nodule formation, alkaline phosphatase (ALP) activity, and mRNA expression of differentiation markers in hPDLCs, cementoblasts, and osteoblasts.
  2. 02LabIn vitro (cells)Efficacy outcome

    Tβ4 peptide promoted alkaline phosphatase activity in periodontal ligament cells, cementoblasts and osteoblasts.

    In plain wordsIn cells, thymosin beta‑4 peptide increased alkaline phosphatase activity.

    Outcome
    IncreaseALP activity with Tβ4 peptide
    Study

    n: not reported in source

    hPDLCs, cementoblasts, osteoblasts
    Outcome group
    Bone and joint · Musculoskeletal
    Studied dose
    Dose not stated

    Source sentences

    Summary
    In contrast, Tβ4 activation using a Tβ4 peptide, promoted these processes by activation of Akt, p38, ERK MAPKs, and the NF-κB pathway.
    1 context sentence
    Summary · context
    The downregulation of Tβ4 expression by Tβ4 siRNA transfection inhibited osteoblastic differentiation by decreasing calcium nodule formation, alkaline phosphatase (ALP) activity, and mRNA expression of differentiation markers in hPDLCs, cementoblasts, and osteoblasts.
  3. 03LabIn vitro (cells)Efficacy outcome

    Tβ4 peptide promoted mRNA expression of differentiation markers in periodontal ligament cells, cementoblasts and osteoblasts.

    In plain wordsIn cells, thymosin beta‑4 peptide increased gene activity of bone cell maturation markers.

    Outcome
    IncreaseDifferentiation marker mRNA with Tβ4 peptide
    Study

    n: not reported in source

    hPDLCs, cementoblasts, osteoblasts
    Outcome group
    Bone and joint · Musculoskeletal
    Studied dose
    Dose not stated

    Source sentences

    Summary
    In contrast, Tβ4 activation using a Tβ4 peptide, promoted these processes by activation of Akt, p38, ERK MAPKs, and the NF-κB pathway.
    1 context sentence
    Summary · context
    The downregulation of Tβ4 expression by Tβ4 siRNA transfection inhibited osteoblastic differentiation by decreasing calcium nodule formation, alkaline phosphatase (ALP) activity, and mRNA expression of differentiation markers in hPDLCs, cementoblasts, and osteoblasts.
  4. 04LabIn vitro (cells)Mechanism

    Tβ4 peptide activated Akt, p38, ERK MAPKs and the NF-κB pathway.

    In plain wordsIn cells, thymosin beta‑4 peptide switched on Akt, p38, ERK and NF-κB signaling.

    Outcome
    IncreaseAkt, p38, ERK MAPK and NF-κB pathway activation by Tβ4 peptide
    Study

    n: not reported in source

    hPDLCs, cementoblasts, osteoblasts
    Outcome group
    Bone and joint · Musculoskeletal
    Studied dose
    Dose not stated

    Source sentences

    Summary
    In contrast, Tβ4 activation using a Tβ4 peptide, promoted these processes by activation of Akt, p38, ERK MAPKs, and the NF-κB pathway.
  5. 05LabIn vitro (cells)Mechanism

    Tβ4 peptide upregulated nuclear NFATc1 in human periodontal ligament cells.

    In plain wordsIn cells, thymosin beta‑4 peptide increased nuclear NFATc1.

    Outcome
    IncreaseNuclear NFATc1 expression
    Study

    humann: not reported in source

    human periodontal ligament cells
    Outcome group
    Bone and joint · Musculoskeletal
    Studied dose
    Dose not stated

    Source sentences

    Summary
    The expression of nuclear NFATc1 was upregulated by Tβ4 peptide in hPDLCs.

Natural levels measured3

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. 06AnimalEndogenous levelAnimal study (in vivo)Mechanism

    In the developing periodontium, Tβ4 expression was higher in human periodontal ligament cells than in cementoblasts and osteoblasts.

    In plain wordsIn mice, the body's own thymosin beta‑4 was higher in periodontal ligament cells than in cementoblasts and osteoblasts.

    Outcome
    Not applicableTβ4 expression level in hPDLCs versus cementoblasts and osteoblasts
    Study

    mousen: not reported in source

    developing periodontium
    Outcome group
    Bone and joint · Musculoskeletal

    Source sentences

    Summary
    Higher Tβ4 expression was observed in hPDLCs than in cementoblasts and osteoblasts in the developing periodontium.

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

  2. 07LabEndogenous levelIn vitro (cells)Mechanism

    Tβ4 was expressed in differentiating human periodontal ligament cells and in osteoblasts of the periodontium during development and in mature tissue.

    In plain wordsIn cells and tissue, the body's own thymosin beta‑4 was present in developing and mature periodontal tissue.

    Outcome
    Not applicableTβ4 expression in differentiating hPDLCs and osteoblasts
    Study

    humann: not reported in source

    human periodontal ligament cells and periodontal tissue
    Outcome group
    Bone and joint · Musculoskeletal

    Source sentences

    Summary
    Tβ4 expression was observed in differentiating hPDLCs, osteoblasts of the periodontium during development, as well as in mature tissue.

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

  3. 08LabEndogenous levelIn vitro (cells)Mechanism

    Tβ4 mRNA and protein expression increased gradually during periodontal ligament cell differentiation.

    In plain wordsIn cells, the body's own thymosin beta‑4 rose as periodontal ligament cells matured.

    Outcome
    IncreaseTβ4 mRNA and protein expression during PDL cell differentiation
    Study

    humann: not reported in source

    human periodontal ligament cells
    Outcome group
    Bone and joint · Musculoskeletal

    Source sentences

    Summary
    The expression of Tβ4 mRNA and protein gradually increased during PDL cell differentiation.

    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 alone6

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. 09LabNot a test of Thymosin beta-4 (human) aloneIn vitro (cells)Efficacy outcome

    Tβ4 siRNA knockdown decreased calcium nodule formation in periodontal ligament cells, cementoblasts and osteoblasts.

    In plain wordsIn cells, switching off thymosin beta‑4 production reduced calcium nodule formation.

    Outcome
    DecreaseCalcium nodule formation after Tβ4 knockdown
    Study

    n: not reported in source

    hPDLCs, cementoblasts, osteoblasts
    Outcome group
    Bone and joint · Musculoskeletal

    Source sentences

    Summary
    The downregulation of Tβ4 expression by Tβ4 siRNA transfection inhibited osteoblastic differentiation by decreasing calcium nodule formation, alkaline phosphatase (ALP) activity, and mRNA expression of differentiation markers in hPDLCs, cementoblasts, and osteoblasts.

    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. 10LabNot a test of Thymosin beta-4 (human) aloneIn vitro (cells)Efficacy outcome

    Tβ4 siRNA knockdown decreased alkaline phosphatase activity in periodontal ligament cells, cementoblasts and osteoblasts.

    In plain wordsIn cells, switching off thymosin beta‑4 production lowered alkaline phosphatase activity.

    Outcome
    DecreaseALP activity after Tβ4 knockdown
    Study

    n: not reported in source

    hPDLCs, cementoblasts, osteoblasts
    Outcome group
    Bone and joint · Musculoskeletal

    Source sentences

    Summary
    The downregulation of Tβ4 expression by Tβ4 siRNA transfection inhibited osteoblastic differentiation by decreasing calcium nodule formation, alkaline phosphatase (ALP) activity, and mRNA expression of differentiation markers in hPDLCs, cementoblasts, and osteoblasts.

    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. 11LabNot a test of Thymosin beta-4 (human) aloneIn vitro (cells)Efficacy outcome

    Tβ4 siRNA knockdown decreased mRNA expression of differentiation markers in periodontal ligament cells, cementoblasts and osteoblasts.

    In plain wordsIn cells, switching off thymosin beta‑4 production lowered gene activity of bone cell maturation markers.

    Outcome
    DecreaseDifferentiation marker mRNA after Tβ4 knockdown
    Study

    n: not reported in source

    hPDLCs, cementoblasts, osteoblasts
    Outcome group
    Bone and joint · Musculoskeletal

    Source sentences

    Summary
    The downregulation of Tβ4 expression by Tβ4 siRNA transfection inhibited osteoblastic differentiation by decreasing calcium nodule formation, alkaline phosphatase (ALP) activity, and mRNA expression of differentiation markers in hPDLCs, cementoblasts, and osteoblasts.

    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. 12LabNot a test of Thymosin beta-4 (human) aloneIn vitro (cells)Efficacy outcome

    Cyclosporin A and FK506, which inhibit the calcineurin/NFATc1 pathway, attenuated Tβ4-induced osteoblastic differentiation in human periodontal ligament cells.

    In plain wordsIn cells, drugs that block the calcineurin/NFATc1 pathway weakened bone-cell maturation caused by thymosin beta‑4.

    Outcome
    DecreaseTβ4-induced osteoblastic differentiation with calcineurin/NFATc1 inhibitors
    Study

    humann: not reported in source

    human periodontal ligament cells
    Outcome group
    Bone and joint · Musculoskeletal

    Source sentences

    Summary
    Inhibition of the calcineurin/NFATc1 pathway by cyclosporin A and FK506, attenuated Tβ4-induced osteoblastic differentiation and activation of Wnt-related genes, as well as nuclear β-catenin in hPDLCs.

    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).

  5. 13LabNot a test of Thymosin beta-4 (human) aloneIn vitro (cells)Mechanism

    Cyclosporin A and FK506 attenuated Tβ4-induced activation of Wnt-related genes in human periodontal ligament cells.

    In plain wordsIn cells, drugs that block the calcineurin/NFATc1 pathway weakened Wnt gene activation caused by thymosin beta‑4.

    Outcome
    DecreaseTβ4-induced Wnt-related gene activation with calcineurin/NFATc1 inhibitors
    Study

    humann: not reported in source

    human periodontal ligament cells
    Outcome group
    Bone and joint · Musculoskeletal

    Source sentences

    Summary
    Inhibition of the calcineurin/NFATc1 pathway by cyclosporin A and FK506, attenuated Tβ4-induced osteoblastic differentiation and activation of Wnt-related genes, as well as nuclear β-catenin in hPDLCs.

    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).

  6. 14LabNot a test of Thymosin beta-4 (human) aloneIn vitro (cells)Mechanism

    Cyclosporin A and FK506 attenuated Tβ4-induced nuclear β-catenin in human periodontal ligament cells.

    In plain wordsIn cells, drugs that block the calcineurin/NFATc1 pathway lowered nuclear β-catenin raised by thymosin beta‑4.

    Outcome
    DecreaseTβ4-induced nuclear β-catenin with calcineurin/NFATc1 inhibitors
    Study

    humann: not reported in source

    human periodontal ligament cells
    Outcome group
    Bone and joint · Musculoskeletal

    Source sentences

    Summary
    Inhibition of the calcineurin/NFATc1 pathway by cyclosporin A and FK506, attenuated Tβ4-induced osteoblastic differentiation and activation of Wnt-related genes, as well as nuclear β-catenin in hPDLCs.

    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.

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