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Study · Animal study (in vivo) · mouse · 2017

9 results

Exendin-4, a Glucagonlike Peptide-1 Receptor Agonist, Attenuates Breast Cancer Growth by Inhibiting NF-κB Activation.

Iwaya C, Nomiyama T, Komatsu S, Kawanami T, Tsutsumi Y, Hamaguchi Y, Horikawa T, Yoshinaga Y, Yamashita S, Tanaka T, Terawaki Y, Tanabe M, Nabeshima K, Iwasaki A, Yanase T

Endocrinology1 Dec 2017Cited by 76 (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 study9

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

  1. 01AnimalAnimal study (in vivo)Efficacy outcome

    In athymic mice with MCF-7 xenografts, exendin‑4 reduced tumor size.

    In plain wordsIn mice with MCF-7 tumors, exendin‑4 reduced tumor size.

    Outcome
    DecreaseTumor size
    Study

    mousen: not reported in source

    MCF-7 xenograft in athymic mice
    Outcome group
    Tumor growth · Cancer
    Studied dose
    Dose not stated

    Source sentences

    Summary
    When MCF-7 cells were transplanted into athymic mice, Ex-4 decreased MCF-7 tumor size in vivo.
  2. 02AnimalAnimal study (in vivo)Efficacy outcome

    In mice with MCF-7 tumors, exendin‑4 significantly reduced tumor cell proliferation measured by Ki67 staining.

    In plain wordsIn mice with MCF-7 tumors, exendin‑4 reduced tumor cell multiplication.

    Outcome
    DecreaseTumor cell proliferation
    Study

    mousen: not reported in source

    MCF-7 xenograft in athymic mice
    Outcome group
    Tumor growth · Cancer
    Studied dose
    Dose not stated

    Source sentences

    Summary
    Ki67 immunohistochemistry revealed that breast cancer cell proliferation was significantly reduced in tumors extracted from Ex-4-treated mice.
    1 context sentence
    Summary · context
    When MCF-7 cells were transplanted into athymic mice, Ex-4 decreased MCF-7 tumor size in vivo.
  3. 03LabIn vitro (cells)Efficacy outcome

    In breast cancer cells, exendin‑4 significantly reduced cell number in a dose-dependent manner.

    In plain wordsIn cells, exendin‑4 reduced breast cancer cell numbers as the dose increased.

    Outcome
    DecreaseBreast cancer cell number
    Study

    humann: not reported in source

    breast cancer cells
    Outcome group
    Tumor growth · Cancer
    Studied dose
    0.1 to 10 nMAs given in this study (human).

    Source sentences

    Summary
    We found that 0.1 to 10 nM Ex-4 significantly decreased the number of breast cancer cells in a dose-dependent manner.
  4. 04LabIn vitro (cells)Mechanism

    In breast cancer cells, exendin‑4 did not induce apoptosis.

    In plain wordsIn cells, exendin‑4 did not induce breast cancer cell death by apoptosis.

    Outcome
    No significant changeApoptosis
    Study

    humann: not reported in source

    breast cancer cells
    Outcome group
    Tumor growth · Cancer
    Studied dose
    Dose not stated

    Source sentences

    Summary
    Although Ex-4 did not induce apoptosis, it attenuated breast cancer cell proliferation significantly and dose-dependently.
  5. 05LabIn vitro (cells)Efficacy outcome

    In breast cancer cells, exendin‑4 significantly reduced proliferation in a dose-dependent manner.

    In plain wordsIn cells, exendin‑4 reduced breast cancer cell multiplication as the dose increased.

    Outcome
    DecreaseCell proliferation
    Study

    humann: not reported in source

    breast cancer cells
    Outcome group
    Tumor growth · Cancer
    Studied dose
    Dose not stated

    Source sentences

    Summary
    Although Ex-4 did not induce apoptosis, it attenuated breast cancer cell proliferation significantly and dose-dependently.
  6. 06LabIn vitro (cells)Mechanism

    In MCF-7 cells, exendin‑4 significantly inhibited NF-κB nuclear translocation.

    In plain wordsIn cells, exendin‑4 reduced NF-κB movement into the nucleus.

    Outcome
    DecreaseNF-κB nuclear translocation
    Study

    humann: not reported in source

    MCF-7 cells
    Outcome group
    Receptor activity and mechanism · Cancer
    Studied dose
    Dose not stated

    Source sentences

    Summary
    In MCF-7 cells, Ex-4 significantly inhibited nuclear factor κB (NF-κB ) nuclear translocation and target gene expression.
  7. 07LabIn vitro (cells)Mechanism

    In MCF-7 cells, exendin‑4 significantly inhibited NF-κB target gene expression.

    In plain wordsIn cells, exendin‑4 reduced NF-κB target gene expression.

    Outcome
    DecreaseNF-κB target gene expression
    Study

    humann: not reported in source

    MCF-7 cells
    Outcome group
    Receptor activity and mechanism · Cancer
    Studied dose
    Dose not stated

    Source sentences

    Summary
    In MCF-7 cells, Ex-4 significantly inhibited nuclear factor κB (NF-κB ) nuclear translocation and target gene expression.
  8. 08LabIn vitro (cells)Mechanism

    In MCF-7 cells, exendin‑4 reduced Akt phosphorylation.

    In plain wordsIn cells, exendin‑4 reduced Akt phosphorylation.

    Outcome
    DecreaseAkt phosphorylation
    Study

    humann: not reported in source

    MCF-7 cells
    Outcome group
    Receptor activity and mechanism · Cancer
    Studied dose
    Dose not stated

    Source sentences

    Summary
    Furthermore, Ex-4 decreased both Akt and IκB phosphorylation.
    1 context sentence
    Summary · context
    In MCF-7 cells, Ex-4 significantly inhibited nuclear factor κB (NF-κB ) nuclear translocation and target gene expression.
  9. 09LabIn vitro (cells)Mechanism

    In MCF-7 cells, exendin‑4 reduced IκB phosphorylation.

    In plain wordsIn cells, exendin‑4 reduced IκB phosphorylation.

    Outcome
    DecreaseIκB phosphorylation
    Study

    humann: not reported in source

    MCF-7 cells
    Outcome group
    Receptor activity and mechanism · Cancer
    Studied dose
    Dose not stated

    Source sentences

    Summary
    Furthermore, Ex-4 decreased both Akt and IκB phosphorylation.
    1 context sentence
    Summary · context
    In MCF-7 cells, Ex-4 significantly inhibited nuclear factor κB (NF-κB ) nuclear translocation and target gene expression.

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

    22 Oct 2026, 02:26 UTC

    Study results updated

  2. Version 1

    21 Oct 2026, 18:59 UTC

    First added · source update from Europe PMC

Subjects

Terms as the source lists them.

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