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DSIP, short for Delta Sleep-Inducing Peptide, is an endogenous linear nonapeptide neuropeptide that can cross the blood-brain barrier. It is widely adopted in research projects concerning neuroendocrinology, sleep mechanisms and stress injury. Effects observed in laboratory studies are listed below:

It modulates central GABA and NMDA neurotransmitter pathways and enhances the activity of brain delta waves. In animal models, it shortens sleep onset latency, prolongs restorative deep sleep and optimizes sleep cycle architecture. Relevant experiments show no addictive properties or hangover side effects typical of sedatives. It is applicable to animal model tests for jet lag, circadian rhythm disorders and sleep disturbances.

As a stress buffer factor, it suppresses excessive secretion of ACTH and cortisol under stress and reduces overexcitation of the sympathetic nervous system. Studies on chronic anxiety and long-term stress models have verified its capacity to relieve stress-induced neural hyperactivity.

It antagonizes glutamate-mediated excitotoxicity, improves mitochondrial antioxidant capacity in brain tissue, and reduces neuronal apoptosis caused by oxidative stress, cerebral ischemia and trauma. It is used in cell and animal experiments for brain injury, stroke and neurodegeneration research.

It stimulates the secretion of growth hormone (GH) during deep sleep windows for exploring bodily tissue repair mechanisms. Meanwhile, it regulates the release of thyroid-stimulating and gonadotropic hormones, making it suitable for assays on stress-triggered endocrine imbalance.

It acts on endorphin-related pathways to raise  thresholds and exerts mild analgesic activity for pharmacological studies on chronic inflammatory  and neuropathic ; it also delivers mild anticonvulsant effects in lab trials.

Via the neuroendocrine-immune network, it mitigates stress-caused immune disorders, serving as a common tool peptide for interdisciplinary studies combining stress and immunology.

This product is for laboratory scientific research only. It shall not be used for human oral administration, injection, cosmetics, food additives or clinical therapeutic purposes.