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CJC-1295 with DAC is a synthetic 30-amino-acid peptide. It was originally derived from the first 29 residues of growth hormone-releasing hormone (GHRH), modified at four positions and conjugated to a Drug Affinity Complex (DAC) that binds serum albumin. Since its development in the early 2000s, CJC-1295 with DAC has been studied extensively in controlled experimental settings for its potential influence on GHRH-receptor signaling, growth hormone secretion, and IGF-1 dynamics.
Jetté L. et al. (2005).
The peptide was first developed by ConjuChem Biotechnologies as a long-acting analog of GHRH, which is otherwise cleaved within minutes in circulation. Early experiments focused on the DAC modification, a maleimidopropionyl group that covalently binds albumin and extends the compound's plasma half-life to several days. Over time, studies broadened into endocrine, metabolic, and systemic systems, where CJC-1295 with DAC consistently demonstrated properties of interest in the context of sustained growth hormone release and biological resilience.
Teichman S.L. et al. (2006).
CJC-1295 with DAC Structure

CAS #: 863288-34-0
Molecular Formula: C₁₆₅H₂₆₉N₄₇O₄₆
Molecular Weight: 3647.15 g/mol
PubChem ID: 91971820
CJC-1295 with DAC has been studied in endocrine, metabolic, pharmacokinetic, and systemic models, with reports of activity in GHRH-receptor activation, pulsatile growth hormone secretion, IGF-1 elevation, and albumin-mediated half-life extension. Research also highlights signaling roles in preclinical systems, supporting cellular integrity and pathway dynamics. Key Areas of Research:
Endocrine: GHRH receptor, GH secretion, pituitary
Metabolic: IGF-1 axis, protein synthesis, adiposity
Pharmacokinetic: Albumin binding, half-life, DPP-IV resistance
Systemic: Signaling, tissue models, pathway dynamics
Together, these findings suggest broad experimental utility for CJC-1295 with DAC across multiple biological pathways. Its activity in endocrine, metabolic, and systemic models provides a foundation for exploring diverse aspects of molecular biology. By influencing processes such as growth hormone secretion, receptor activation, and molecular signaling, CJC-1295 with DAC offers a versatile platform for research into pathway dynamics and systemic resilience within experimental settings.
Ionescu M., Frohman L.A., Journal of Clinical Endocrinology & Metabolism, 2006
References
Jetté L. et al. (2005). Identification of CJC-1295 as a long-lasting GRF analog: hGRF(1-29)-albumin bioconjugates activate the GRF receptor on the anterior pituitary in rats.
Teichman S.L. et al. (2006). Prolonged stimulation of growth hormone and insulin-like growth factor I secretion by CJC-1295 in healthy adults.
Ionescu M., Frohman L.A. (2006). Pulsatile growth hormone secretion persists during continuous stimulation by CJC-1295, a long-acting GHRH analog.
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