ML-SYS / 2026.07NON-CLINICAL RESEARCH MATERIALSORIGIN DECLARED BY LOT

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RM-TRS / Tissue, repair and matrix signalling

Full-length Mechano Growth Factor (IGF-1Ec)

Also known as: Full-length MGF · IGF-1Ec · IGF-1 Ec splice variant

Preclinical evidenceEvidence grade C: Preclinical evidence

Grade describes the published research on the molecule. It is not a quality score, a safety score, or a release state.

What this is

Full-length IGF-1Ec contains the IGF-I core and an Ec-derived extension. Catalogs also use “MGF” for a short E-domain peptide and for PEGylated analogs, but those are different analytes.

Evidence position

Direct laboratory studies support Grade C. One analytical paper found that a marketed full-length material differed from the expected sequence, illustrating why a name alone is not enough.

What the record does not establish

Evidence for full-length IGF-1Ec cannot be transferred to the isolated E-domain peptide, PEG-MGF or IGF-1 LR3. Every supplied material needs its own sequence and lot-linked analytical record.

Sources

External database index

LIVE DATABASE INDEX / SEPARATE FROM CURATED EVIDENCE

Records below come directly from public scientific databases. They help find relevant material, but do not affect the evidence grade until they are matched to the molecule and added to the curated source list.

PUBMED / FOUND RECORDS

  1. Biological activity of the e domain of the IGF-1Ec as addressed by synthetic peptides.Hormones (Athens, Greece) / 2014 Apr-JunPMID 24776619 / DOI 10.1007/BF03401333
  2. Increased expression of IGF-1Ec with increasing colonic polyp dysplasia and colorectal cancer.Journal of cancer research and clinical oncology / 2020 NovPMID 32772171 / DOI 10.1007/s00432-020-03345-0
  3. IL-6 is associated to IGF-1Ec upregulation and Ec peptide secretion, from prostate tumors.Molecular medicine (Cambridge, Mass.) / 2018 Mar 15PMID 30134795 / DOI 10.1186/s10020-018-0003-z
  4. Insulinlike growth factor-1Ec (MGF) expression in eutopic and ectopic endometrium: characterization of the MGF E-peptide actions in vitro.Molecular medicine (Cambridge, Mass.) / 2011 Jan-FebPMID 20844834 / DOI 10.2119/molmed.2010.00043
  5. The role of the IGF-1 Ec in myoskeletal system and osteosarcoma pathophysiology.Critical reviews in oncology/hematology / 2016 DecPMID 27931832 / DOI 10.1016/j.critrevonc.2016.11.004

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