# PubMed record PMID 40550229

> PeptideScanner retained PubMed bibliographic metadata for PMID 40550229 at 2026-07-30T18:25:48.707Z. PubMed recorded a metadata revision date of 2025-07-14 and an Entrez history date of 2025-06-23. PeptideScanner associated this retained record with the identity slug amycretin. These dates describe PubMed metadata history, not the article's original publication date.

- Evidence object: `story:pubmed-pmid-40550229-amycretin:v1`
- Evidence domain: Literature metadata
- Date in source: 2025-07-14
- Source checked: 2026-07-30
- Published by PeptideScanner: 2026-08-10
- Story landing page: https://peptidescanner.com/stories/pubmed-pmid-40550229-amycretin/
- JSON record: https://peptidescanner.com/evidence/v1/objects/pubmed-pmid-40550229-amycretin-v1.json
- Content SHA-256: `08c462dddd6821901d8a3086a8d916ec386cdc337dcb30e074b206f3441942a4`

## Claims and source pins

### Headline

PubMed record PMID 40550229 ([`pubmed-observation-pmid-40550229-2025-07-14-421e98d01953`](#source-pubmed-observation-pmid-40550229-2025-07-14-421e98d01953))

### Summary

PeptideScanner retained PubMed bibliographic metadata for PMID 40550229 at 2026-07-30T18:25:48.707Z. PubMed recorded a metadata revision date of 2025-07-14 and an Entrez history date of 2025-06-23. PeptideScanner associated this retained record with the identity slug amycretin. These dates describe PubMed metadata history, not the article's original publication date. ([`pubmed-observation-pmid-40550229-2025-07-14-421e98d01953`](#source-pubmed-observation-pmid-40550229-2025-07-14-421e98d01953))

### Paragraph 1

PeptideScanner retained PubMed bibliographic metadata for PMID 40550229 at 2026-07-30T18:25:48.707Z. PubMed recorded a metadata revision date of 2025-07-14 and an Entrez history date of 2025-06-23. PeptideScanner associated this retained record with the identity slug amycretin. These dates describe PubMed metadata history, not the article's original publication date. ([`pubmed-observation-pmid-40550229-2025-07-14-421e98d01953`](#source-pubmed-observation-pmid-40550229-2025-07-14-421e98d01953))

### Paragraph 2

This page reports retained PubMed bibliographic metadata. It does not summarize the article, establish the article's publication date, or assert safety, efficacy, or scientific truth. ([`pubmed-observation-pmid-40550229-2025-07-14-421e98d01953`](#source-pubmed-observation-pmid-40550229-2025-07-14-421e98d01953))

## Sources

<a id="source-pubmed-observation-pmid-40550229-2025-07-14-421e98d01953"></a>
- **PubMed record PMID 40550229 · retained source version 1:2025-07-14:current:421e98d01953dc33ccfb0903cd3e37a8617ee738fc71df55017e50e3d495cb5a** — PubMed; class A. [Open source](https://pubmed.ncbi.nlm.nih.gov/40550229/) (`pubmed-observation-pmid-40550229-2025-07-14-421e98d01953`)

## Correction lineage

No correction is recorded for this version.

## Reporting boundaries and unknowns

PeptideScanner reproduces bounded bibliographic metadata attributed to PubMed. It does not summarize or endorse the article's findings.

- Sources outside the selected public PeptideScanner bundle may exist and are not represented by this object.
- This object does not determine whether cited records agree, corroborate one another, or establish scientific truth.
- This object does not determine safety, efficacy, causality, or suitability for any person.

Methodology: https://peptidescanner.com/methodology/
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## Suggested citation

PeptideScanner. "PubMed record PMID 40550229." Version 1, published 2026-08-10. https://peptidescanner.com/evidence/v1/objects/pubmed-pmid-40550229-amycretin-v1.json SHA-256: 08c462dddd6821901d8a3086a8d916ec386cdc337dcb30e074b206f3441942a4.