DSIP (Decapeptide 2-11 of Neurophysin-1)

Decapeptide 2-11 of Neurophysin-1, commonly referred to as DSIP, is a synthetic peptide derived from the brain and known for its research applications in the study of sleep regulation, circadian rhythms, and neuroendocrine mechanisms. As a research-use-only product, DSIP is provided for academic and scientific investigations only.

Research Context

DSIP was first isolated from bovine neurophysin in 1969 and has since been studied extensively in animal models for its potential effects on sleep promotion and circadian behavior. Its molecular structure consists of ten amino acids (DSIP: Asp-Asp-Ile-Glu-Pro-Asp-Lys-Pro-Pro). Research has explored its role in modulating sleep-wake cycles, stress responses, and autonomic functions, particularly in preclinical and neuroendocrine studies.

Research Overview

DSIP has been investigated primarily in rodent models due to its physiological relevance to mammalian sleep regulation. Early studies demonstrated its ability to induce transient sleep-like states when administered intracerebroventricularly (ICV), making it a valuable tool in neuroscience research. However, its effects vary depending on dose, administration route, and the experimental context. Subsequent research has expanded its application to studies of neuroendocrine signaling, circadian phase shifts, and potential interactions with other neuropeptides.

Key Research Focus Areas

• Sleep Regulation: DSIP has been studied for its ability to promote non-rapid eye movement (NREM) sleep in rodent models, particularly in relation to stress-induced sleep disruption.
• Circadian Rhythms: Investigations into its role in entrainment of sleep-wake cycles and its potential influence on circadian phase shifts under various conditions.
• Neuroendocrine Mechanisms: Studies exploring DSIP’s interaction with the hypothalamic-pituitary-adrenal (HPA) axis and its effects on stress responses.
• Autonomic Functions: Research into its impact on cardiovascular and respiratory regulation in preclinical settings.
• Behavioral Studies: Examination of its effects on behavior, including anxiety-like and depressive-like phenotypes in animal models.

Safety and Compliance

DSIP is a research chemical and is provided for use solely in laboratory settings where appropriate safety protocols are followed. Due to its potential for adverse effects in uncontrolled environments, including neurotoxic or immunomodulatory responses, it should be handled with caution. This product is not intended for human or animal therapeutic, diagnostic, or cosmetic use and should be stored according to manufacturer guidelines for peptide stability.

For research use only. Not for human or animal consumption.