Construction of a eukaryotic expression plasmid of Humanin.
Luo. Ben-yan BY; Chen. Xiang-ming XM; Tang. Min M; Chen. Feng F; Chen. Zhi Z
Key Findings
- A pcDNA3.1(-) plasmid carrying the 100‑bp Humanin gene was successfully constructed
- The inserted gene was verified by restriction digestion and DNA sequencing
- The recombinant plasmid produced a DNA band matching a known Humanin control
Practical Outcomes
- This shows that a standard expression vector can be used to clone Humanin, which might help labs or DIY biohackers create cells that produce the peptide. However, it offers no guidance on dosing, safety, or real‑world performance, so it’s of limited immediate use for health optimization.
Summary
Researchers built a DNA plasmid that can make human cells produce the tiny protein Humanin, confirming the gene was correctly inserted and sequenced, but they didn’t test any health effects or how to use it as a supplement.
Abstract
To construct a eukaryotic expression plasmid pcDNA3.1(-)-Humanin. The recombinant plasmid pGEMEX-1-Humanin was digested with restriction endonucleases BamH I and Hind III and the Humanin gene fragments, about 100 bp length, were obtained. Then the Humanin gene fragments were inserted into eukaryotic expression vector pcDNA3.1(-) and the recombinant plasmids pcDNA3.1(-)-Humanin were identified by sequencing. Recombinant plasmid DNA successfully produced a band which had the same size as that of the Humanin positive control. The sequence of recombinant plasmids accorded with the Humnain gene sequence. A eukaryotic expression plasmid of Humanin was successfully constructed.
Study Information
pubmed
2005
10.1631/jzus.2005.b0011