PMID-35408963 – Peptides Regulating Proliferative Activity and Inflammatory Pathways in THP-1
Khavinson VKh, Linkova NS, Chervyakova NA, Dzhokhadze TA, Orekhov AN. Peptides Regulating Proliferative Activity and Inflammatory Pathways in the Monocyte/Macrophage THP-1 Cell Line. Int J Mol Sci. 2022;23(7):3820.
Quick Reference
| Property | Value |
|---|---|
| PMID | 35408963 |
| DOI | 10.3390/ijms23073820 |
| Year | 2022 |
| Journal | International Journal of Molecular Sciences |
| Study Type | In vitro |
| Evidence Level | V |
| Sample | THP-1 monocyte/macrophage cell line |
| Peptide(s) Studied | Vilon, Crystagen, Chonluten, Cardiogen, Livagen, Pancragen, Testagen, Prostamax, Cartalax, Cortagen |
Key Findings
- Multiple Khavinson short peptides were tested for effects on proliferation and inflammatory pathways in human monocyte/macrophage THP-1 cells
- Chonluten (EDG) inhibited TNF production in monocytes exposed to pro-inflammatory bacterial lipopolysaccharide (LPS)
- Crystagen (EDP) had a greater effect on the T-cell element of immunity, including increased CD3+ and CD4+ cells and normalization of CD4+/CD8+ ratio
- Different peptides showed tissue-preferential but not exclusively tissue-specific activity patterns
- Short peptides modulated expression of inflammatory cytokines and proliferative markers in a dose-dependent manner
Study Design
In vitro study using the human monocyte/macrophage THP-1 cell line. Cells were treated with various short peptide bioregulators and assessed for changes in proliferative activity, cytokine expression, and inflammatory pathway markers. LPS stimulation was used to model inflammatory conditions.
Limitations
- In vitro study only — no in vivo validation or clinical translation
- Single cell line model limits generalizability
- All authors from the Khavinson group
- Tissue specificity claims are difficult to assess in a monocyte cell line
- No independent replication
Clinical Relevance
Provides some mechanistic data on how Khavinson short peptides interact with immune cells in vitro. The anti-inflammatory effects of Chonluten and immunomodulatory effects of Crystagen are consistent with the bioregulation theory but remain at a very early preclinical stage.
Methodological Note: This study originates from the Khavinson bioregulation group (Institute of Bioregulation and Gerontology, St. Petersburg). Independent replication by Western laboratories is lacking.
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#research #in-vitro #evidence-level-V #khavinson-bioregulator