Description
CJC-1295 (No DAC)
Growth Hormone–Releasing Hormone (GHRH) Analog
CJC-1295 (No DAC), also referred to in research literature as Modified GRF (1–29), is a synthetic peptide analog of growth hormone–releasing hormone (GHRH) that lacks a Drug Affinity Complex (DAC). In laboratory and preclinical research settings, this peptide is used as a research tool to examine short-acting peptide–receptor interactions, neuroendocrine signaling dynamics, and hormone release mechanisms.
Unlike DAC-modified variants, CJC-1295 (No DAC) is characterized by rapid systemic clearance in experimental models, making it suitable for studies that require transient receptor engagement and precise temporal control of signaling events. Its structure closely resembles the active region of endogenous GHRH, allowing researchers to investigate native-like signaling behavior under controlled conditions.
CJC-1295 (No DAC) has been incorporated into experimental designs focused on GHRH receptor activation, downstream second-messenger signaling, and comparative analyses of peptide modification strategies within neuroendocrine research frameworks.
Peptide Identity and Molecular Profile
| Property | Description |
|---|---|
| Peptide Name | CJC-1295 (No DAC) |
| Alternate Name | Modified GRF (1–29) |
| Peptide Class | Synthetic peptide hormone analog |
| Amino Acid Length | 29 residues |
| Structural Characteristics | GHRH analog without albumin-binding modification |
| Molecular Weight | ~3,360 Da (may vary by synthesis and salt form) |
| Biological Target (Research Context) | GHRH receptor (GHRHR) |
Chemical and Registry Information
| Property | Value |
|---|---|
| Molecular Formula | Reported in research literature; may vary by salt form |
| CAS Number | 86168-78-7 (reported in research literature) |
| Registry Identifiers | Research designation: CJC-1295 (No DAC) |
| Synonyms | Mod GRF (1–29), GRF 1–29 analog |
| Structural Features | Linear peptide derived from GHRH active region |
Biological Pathways Studied (Preclinical Research)
In laboratory and preclinical research environments, CJC-1295 (No DAC) has been studied for its interactions with neuroendocrine signaling systems. Research focuses on molecular signaling pathways rather than physiological or clinical outcomes.
| Pathway / System | Research Context |
|---|---|
| GHRH Receptor Signaling | Studied for receptor activation and signal initiation |
| Hypothalamic–Pituitary Axis | Explored in endocrine signaling models |
| cAMP/PKA Pathway | Investigated as a downstream GHRH signaling mechanism |
| Short-Acting Peptide Kinetics | Examined for rapid receptor engagement and clearance |
| Hormone Signaling Feedback | Studied in controlled experimental systems |
Research Applications
CJC-1295 (No DAC) is commonly used in laboratory research involving:
-
GHRH receptor activation studies
-
Neuroendocrine signaling kinetics research
-
Comparative studies of peptide modification strategies
-
Short-duration peptide signaling models
-
Hormone receptor–ligand interaction assays
All applications are restricted to preclinical, in vitro, or animal research contexts.
Storage and Handling Guidelines
CJC-1295 (No DAC) should be stored under controlled laboratory conditions in a cool, dry environment and protected from light. Standard laboratory safety and peptide-handling procedures should be followed to maintain chemical stability and reproducibility.
Lyophilized Powder
CJC-1295 (No DAC) is supplied as a lyophilized powder, produced via freeze-drying to remove residual moisture while preserving peptide structure. This format supports long-term storage stability, accurate reconstitution, and consistency across experimental protocols.
Shelf Life After Reconstitution
Once reconstituted, CJC-1295 (No DAC) is no longer in its lyophilized state, and its stability is influenced by buffer composition, temperature, handling frequency, and study duration. In research settings, reconstituted peptide solutions are generally regarded as suitable for short-term experimental use, with post-reconstitution stability considered during experimental planning and data-quality assessment. Actual stability may vary depending on laboratory-specific conditions.






