P Palthera

Research

Receptor Signalling Context for Peptide Fragments

A research-context overview of peptide studied for -level signalling behaviour.

Topics Signalling
Abstract reference visual for Signalling.
Signalling
Category
research
Level
Research summary
Reading time
7 min
References
2

Summary section

Fragment Selection

Peptide may be selected to examine a narrower interaction or signalling pattern. The selected fragment should be interpreted separately from the full .

Summary section

Endpoint Selection

studies may examine binding, markers, or time-dependent response patterns in controlled models.

Summary section

Interpretive Limits

A -level observation is not equivalent to a conclusion about broad biological use. Summaries should state the model and endpoint being discussed.

References

Each article cites a minimum of two peer-reviewed sources. Citations record model type and reported sample size where the source provides them. Findings are model-specific and must not be extrapolated to therapeutic use.

Kisspeptin-10 binding to Gpr54 in osteoclasts prevents bone loss by activating Dusp18-mediated dephosphorylation of Src

2024

Li Z et al. · Nature Communications

Model
In vitro osteoclast assays (biological triplicate); in vivo — Kiss1, Gpr54, Dusp18 knockout mice (n=5–7/group)
Sample
Gpr54 cKO n=7/group; Kiss1 cKO n=6/group; Dusp18 KO n=5–7/group; OVX n=6/group

Reported GPR54 signalling effects on osteoclast activity and bone resorption via Dusp18-mediated Src dephosphorylation.

PMID 38346942DOI 10.1038/s41467-024-44852-9

Kisspeptin-10 (KP-10) stimulates osteoblast differentiation through GPR54-mediated regulation of BMP2 expression and activation

2018

Son HE et al. · Scientific Reports

Model
In vitro — C3H10T1/2 mouse mesenchymal cells and GPR54⁻/⁻ cells
Sample
Not reported in abstract

Reported KP-10-induced osteogenic gene expression including BMP2 dependent on GPR54 signalling.

PMID 29391507DOI 10.1038/s41598-018-20571-2

Peptides discussed

Profiles referenced in this summary

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CJC-1295

Hormone Analogues

Synthetic GHRH analogue (with or without DAC)

CJC-1295 is a synthetic GHRH analogue investigated in early-phase human pharmacology studies and in GHRH-knockout rodent models. Published primary human research is limited to small Phase I/II pharmacokinetic and pharmacodynamic trials.

Phase I/II human pharmacology and rodent literature

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Kisspeptin-10

Signalling Peptides

Endogenous KISS1-receptor agonist fragment

Kisspeptin-10 is a C-terminal fragment of the KISS1 gene product that activates the KISS1R (GPR54) receptor. Published research spans cell-based signalling assays, knockout-mouse models, and human reproductive-endocrinology pharmacology studies, alongside emerging bone-biology research.

Receptor signalling and reproductive endocrinology literature

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