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Study · In vitro (cells) · 1993

8 results

Insulin-like growth factors enhance phagocytosis by human neutrophils in vitro.

Jin GF, Guo YS, Ball C, Houston CW

Regulatory peptides1 Dec 1993Cited by 11 (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 study8

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

  1. 01LabIn vitro (cells)Activity measurement

    In human neutrophils, des(1‑3)-IGF-I significantly increased the chemiluminescence response.

    In plain wordsIn lab tests, des(1‑3)-IGF-I increased the response of human neutrophils.

    Outcome
    IncreaseChemiluminescence response
    Study

    humann: not reported in source

    Blood polymorphonuclear neutrophils
    Outcome group
    Immune response · Immune and inflammation
    Studied dose
    6.5 nM · 20 minAs given in this study (human).

    Source sentences

    Summary
    The administration of 6.5 nM of insulin-like growth factor I (IGF-I), des(1-3)-IGF-I, IGF-II or insulin to PMNs for 20 min resulted in significant increases of the CL response for all test preparations.
    1 context sentence
    Summary · context
    Polymorphonuclear neutrophils (PMNs) were isolated from human blood, and PMN phagocytosis was assessed by measuring the chemiluminescence (CL) response in the presence of ZAP (opsonized zymosin particles containing luminol).
  2. 02LabIn vitro (cells)Activity measurement

    In human neutrophils, des(1‑3)-IGF-I was the most potent chemiluminescence stimulator among the tested preparations.

    In plain wordsIn lab tests, des(1‑3)-IGF-I stimulated neutrophils more potently than IGF-I, IGF-II or insulin.

    Outcome
    IncreaseChemiluminescence stimulation potency
    Study

    humann: not reported in source

    Blood polymorphonuclear neutrophils
    Comparator
    IGF-I, IGF-II and insulin
    Outcome group
    Immune response · Immune and inflammation
    Studied dose
    Dose not stated

    Source sentences

    Summary
    Des(1-3)-IGF-I, a truncated IGF-I with low affinity binding to IGF binding proteins (IGFBPs), was the most potent CL stimulator.
    2 context sentences
    Summary · context
    The administration of 6.5 nM of insulin-like growth factor I (IGF-I), des(1-3)-IGF-I, IGF-II or insulin to PMNs for 20 min resulted in significant increases of the CL response for all test preparations.
    Summary · context
    Polymorphonuclear neutrophils (PMNs) were isolated from human blood, and PMN phagocytosis was assessed by measuring the chemiluminescence (CL) response in the presence of ZAP (opsonized zymosin particles containing luminol).

Studies that did not test the peptide alone6

In this study, IGF-1 DES (des(1-3)IGF-I) 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 IGF-1 DES (des(1-3)IGF-I).

  1. 03LabNot a test of IGF-1 DES (des(1-3)IGF-I) aloneIn vitro (cells)Activity measurement

    In human neutrophils, EGTA at 0.25 nM significantly inhibited des(1‑3)-IGF-I-evoked chemiluminescence.

    In plain wordsIn lab tests, EGTA reduced the neutrophil response evoked by des(1‑3)-IGF-I.

    Outcome
    DecreaseEGTA inhibition of evoked chemiluminescence at 0.25 nM
    Study

    humann: not reported in source

    Blood polymorphonuclear neutrophils
    Outcome group
    Immune response · Immune and inflammation

    Source sentences

    Summary
    The CL production evoked by 6.5 nM of des(1-3)-IGF-I was inhibited significantly by both 0.25 and 1.0 nM of EGTA (Ca2+ chelator), or 10 microM nifedipine (Ca2+ channel inhibitor), pertussis toxin (0.05 and 1.0 micrograms/ml) or cholera toxin (5 micrograms/ml).
    1 context sentence
    Summary · context
    Polymorphonuclear neutrophils (PMNs) were isolated from human blood, and PMN phagocytosis was assessed by measuring the chemiluminescence (CL) response in the presence of ZAP (opsonized zymosin particles containing luminol).

    In this study, IGF-1 DES (des(1-3)IGF-I) 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 IGF-1 DES (des(1-3)IGF-I).

  2. 04LabNot a test of IGF-1 DES (des(1-3)IGF-I) aloneIn vitro (cells)Activity measurement

    In human neutrophils, EGTA at 1.0 nM significantly inhibited des(1‑3)-IGF-I-evoked chemiluminescence.

    In plain wordsIn lab tests, EGTA reduced the neutrophil response evoked by des(1‑3)-IGF-I.

    Outcome
    DecreaseEGTA inhibition of evoked chemiluminescence at 1.0 nM
    Study

    humann: not reported in source

    Blood polymorphonuclear neutrophils
    Outcome group
    Immune response · Immune and inflammation

    Source sentences

    Summary
    The CL production evoked by 6.5 nM of des(1-3)-IGF-I was inhibited significantly by both 0.25 and 1.0 nM of EGTA (Ca2+ chelator), or 10 microM nifedipine (Ca2+ channel inhibitor), pertussis toxin (0.05 and 1.0 micrograms/ml) or cholera toxin (5 micrograms/ml).
    1 context sentence
    Summary · context
    Polymorphonuclear neutrophils (PMNs) were isolated from human blood, and PMN phagocytosis was assessed by measuring the chemiluminescence (CL) response in the presence of ZAP (opsonized zymosin particles containing luminol).

    In this study, IGF-1 DES (des(1-3)IGF-I) 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 IGF-1 DES (des(1-3)IGF-I).

  3. 05LabNot a test of IGF-1 DES (des(1-3)IGF-I) aloneIn vitro (cells)Activity measurement

    In human neutrophils, nifedipine significantly inhibited des(1‑3)-IGF-I-evoked chemiluminescence.

    In plain wordsIn lab tests, nifedipine reduced the neutrophil response evoked by des(1‑3)-IGF-I.

    Outcome
    DecreaseNifedipine inhibition of evoked chemiluminescence
    Study

    humann: not reported in source

    Blood polymorphonuclear neutrophils
    Outcome group
    Immune response · Immune and inflammation

    Source sentences

    Summary
    The CL production evoked by 6.5 nM of des(1-3)-IGF-I was inhibited significantly by both 0.25 and 1.0 nM of EGTA (Ca2+ chelator), or 10 microM nifedipine (Ca2+ channel inhibitor), pertussis toxin (0.05 and 1.0 micrograms/ml) or cholera toxin (5 micrograms/ml).
    1 context sentence
    Summary · context
    Polymorphonuclear neutrophils (PMNs) were isolated from human blood, and PMN phagocytosis was assessed by measuring the chemiluminescence (CL) response in the presence of ZAP (opsonized zymosin particles containing luminol).

    In this study, IGF-1 DES (des(1-3)IGF-I) 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 IGF-1 DES (des(1-3)IGF-I).

  4. 06LabNot a test of IGF-1 DES (des(1-3)IGF-I) aloneIn vitro (cells)Activity measurement

    In human neutrophils, pertussis toxin at 0.05 micrograms/ml significantly inhibited des(1‑3)-IGF-I-evoked chemiluminescence.

    In plain wordsIn lab tests, pertussis toxin reduced the neutrophil response evoked by des(1‑3)-IGF-I.

    Outcome
    DecreasePertussis toxin inhibition at 0.05 micrograms/ml
    Study

    humann: not reported in source

    Blood polymorphonuclear neutrophils
    Outcome group
    Immune response · Immune and inflammation

    Source sentences

    Summary
    The CL production evoked by 6.5 nM of des(1-3)-IGF-I was inhibited significantly by both 0.25 and 1.0 nM of EGTA (Ca2+ chelator), or 10 microM nifedipine (Ca2+ channel inhibitor), pertussis toxin (0.05 and 1.0 micrograms/ml) or cholera toxin (5 micrograms/ml).
    1 context sentence
    Summary · context
    Polymorphonuclear neutrophils (PMNs) were isolated from human blood, and PMN phagocytosis was assessed by measuring the chemiluminescence (CL) response in the presence of ZAP (opsonized zymosin particles containing luminol).

    In this study, IGF-1 DES (des(1-3)IGF-I) 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 IGF-1 DES (des(1-3)IGF-I).

  5. 07LabNot a test of IGF-1 DES (des(1-3)IGF-I) aloneIn vitro (cells)Activity measurement

    In human neutrophils, pertussis toxin at 1.0 micrograms/ml significantly inhibited des(1‑3)-IGF-I-evoked chemiluminescence.

    In plain wordsIn lab tests, pertussis toxin reduced the neutrophil response evoked by des(1‑3)-IGF-I.

    Outcome
    DecreasePertussis toxin inhibition at 1.0 micrograms/ml
    Study

    humann: not reported in source

    Blood polymorphonuclear neutrophils
    Outcome group
    Immune response · Immune and inflammation

    Source sentences

    Summary
    The CL production evoked by 6.5 nM of des(1-3)-IGF-I was inhibited significantly by both 0.25 and 1.0 nM of EGTA (Ca2+ chelator), or 10 microM nifedipine (Ca2+ channel inhibitor), pertussis toxin (0.05 and 1.0 micrograms/ml) or cholera toxin (5 micrograms/ml).
    1 context sentence
    Summary · context
    Polymorphonuclear neutrophils (PMNs) were isolated from human blood, and PMN phagocytosis was assessed by measuring the chemiluminescence (CL) response in the presence of ZAP (opsonized zymosin particles containing luminol).

    In this study, IGF-1 DES (des(1-3)IGF-I) 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 IGF-1 DES (des(1-3)IGF-I).

  6. 08LabNot a test of IGF-1 DES (des(1-3)IGF-I) aloneIn vitro (cells)Activity measurement

    In human neutrophils, cholera toxin significantly inhibited des(1‑3)-IGF-I-evoked chemiluminescence.

    In plain wordsIn lab tests, cholera toxin reduced the neutrophil response evoked by des(1‑3)-IGF-I.

    Outcome
    DecreaseCholera toxin inhibition of evoked chemiluminescence
    Study

    humann: not reported in source

    Blood polymorphonuclear neutrophils
    Outcome group
    Immune response · Immune and inflammation

    Source sentences

    Summary
    The CL production evoked by 6.5 nM of des(1-3)-IGF-I was inhibited significantly by both 0.25 and 1.0 nM of EGTA (Ca2+ chelator), or 10 microM nifedipine (Ca2+ channel inhibitor), pertussis toxin (0.05 and 1.0 micrograms/ml) or cholera toxin (5 micrograms/ml).
    1 context sentence
    Summary · context
    Polymorphonuclear neutrophils (PMNs) were isolated from human blood, and PMN phagocytosis was assessed by measuring the chemiluminescence (CL) response in the presence of ZAP (opsonized zymosin particles containing luminol).

    In this study, IGF-1 DES (des(1-3)IGF-I) 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 IGF-1 DES (des(1-3)IGF-I).

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 3Current

    21 Oct 2026, 15:58 UTC

    Study results updated

  2. Version 2

    21 Oct 2026, 13:52 UTC

    Study data updated · source update from Europe PMC

  3. Version 1

    21 Oct 2026, 12:50 UTC

    First added · source update from Europe PMC

Subjects

Terms as the source lists them.

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