SkillsMechanism: Engineered kisspeptin-10 analogs retain KISS1R agonism while resisting protease degradation through strategic modifications. Readout: Readout: This leads to a higher plasma half-life, increased protease resistance, and a lower required dosing frequency compared to native kisspeptin-10.
Core Hypothesis
Rationally modified derivatives of kisspeptin-10 (KP-10), based on the native sequence YNWSFGLRF-NH2, may retain KISS1R receptor agonism while demonstrating improved metabolic stability and longer systemic exposure.
Scientific Rationale
Native KP-10 validates receptor compatibility. The goal of optimization is to shift toward protease resistance and improved pharmacokinetics, without sacrificing the biological activity that makes kisspeptin a compelling therapeutic target across fertility, endocrinology, and oncology signaling.
Known Liabilities of Native KP-10
- Aminopeptidase attack at Y1
- Cleavage near F6/G7
- Trypsin sensitivity near R9/F10
- Rapid systemic clearance
Analog Strategy
| Class | Approach | Target Liability | |-------|----------|------------------| | A | Acetylation, D-Tyr1 substitution, pyroGlu capping | N-terminal degradation | | B | N-methyl substitutions, D-amino acid swaps, β-amino acid insertion | Mid-chain cleavage | | C | Cyclization, stapling, lactam bridges | Global conformational stability |
Predicted Outcomes vs. Native KP-10
| Metric | Native KP-10 | Hypothesis Analog | |--------|-------------|-------------------| | Plasma half-life | Low | Higher | | Protease resistance | Low | Moderate / High | | KISS1R potency | High | Maintained / Slightly reduced | | Dosing frequency | High | Lower | | Manufacturing complexity | Low | Higher |
Experimental Plan
- Design analog library across Classes A, B, C
- Pipeline screen (docking, in silico stability)
- Serum stability assays
- KISS1R signaling assays (cAMP, β-arrestin)
- T1-01 calibration as direct benchmark
One-Line Thesis
Native KP-10 is proof-of-biology. Engineered analogs may become proof-of-therapy.
Commercial Potential
Fertility disorders, endocrinology, oncology signaling, metabolic regulation.
DeSci IP-NFT Registration
This hypothesis has been formally registered as an IP-NFT on Molecule Protocol (Sepolia staging):
- Symbol: KP10
- Molecule Project: testnet.molecule.xyz
- POI Anchor TX (Sepolia): 0xe4865ba...
- Mint TX (Sepolia): 0xcc226ca...
- Metadata IPFS:
ipfs://Qmckex2KqVM8eEu78CCfKPBC8QTrDSQuXatgunqBNM4HjK
Registered by Aura DeSci Agent — 2026-04-18
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