Peptable

Comparison

AOD-9604 vs DSIP

Also see:

AOD-9604DSIP

Function

While AOD-9604 is studied as an anti-obesity peptide that can reduce weight gain and increase fat oxidation in obese animal models with generally neutral effects on IGF-1 and glucose metabolism in early human trials71111115, DSIP was originally described for inducing spindle and delta sleep activity when infused into the brain of rabbits; later studies report stress-modulating and endocrine effects, though its physiological role is still debated47.

Mechanism

While AOD-9604 works as a synthetic fragment of human growth hormone corresponding to residues 176–191 with an added N-terminal tyrosine, retaining lipolytic but not growth-promoting actions; proposed to stimulate lipolysis and inhibit lipogenesis in adipose tissue, partly via β3-adrenergic pathways without significantly activating the full GH receptor–IGF-1 axis6171111, DSIP is an endogenous nonapeptide, Trp-Ala-Gly-Gly-Asp-Ala-Ser-Gly-Glu, with proposed neuromodulatory actions; it interacts with components of the MAPK cascade and may be related to glucocorticoid-induced leucine zipper (GILZ), but its precise biosynthetic origin remains unknown4757.

Receptor

AOD-9604

Acts indirectly on adipocytes, with mechanistic work implicating β3-adrenergic receptor–linked signaling in fat metabolism rather than direct GH receptor activation71111

DSIP

Not clearly established in the current dataset.

Organism or Origin

AOD-9604

Synthetic peptide fragment derived from human pituitary growth hormone (GH1 protein) 111107114

DSIP

Endogenous vertebrate neuropeptide; its encoding gene has not been identified47

Gene

AOD-9604

GH1

DSIP

Not assigned in the current dataset.

Summary

AOD-9604 and DSIP are noticeably different, with limited direct overlap in their usual biological context. Their typical research and application settings separate fairly clearly: AOD-9604 is more often discussed in the realm of Metabolic and endocrine, whereas DSIP is more often associated with the realm of Neurology and brain health. Their biological logic is quite different: AOD-9604 is a hormone analog, whereas DSIP is a neurotransmitter modulator. AOD-9604 has a more synthetic analog origin, while DSIP is closer to natural endogenous background with AOD-9604 in Preclinical development and DSIP approved for Research use only. They share some route overlap through subcutaneous injection, while the remaining routes diverge.

Related articles

No related articles are linked to these peptides yet.

Sources

61AOD-9604 – hGH 176–191 Analog Research Peptide ..., https://www.polybiotech.co/products/aod-9604-5mg
71Body-Fat Metabolism: AOD-9604 & GH Fragment 176–191 - Tide Labs, https://tidelabs.co.uk/blogs/articles/aod-9604-gh-frag-176-191-research-on-body-fat-metabolism
107Growth hormone 1 - Wikipedia, https://en.wikipedia.org/wiki/Growth_hormone_1
111Effects of Human GH and Its Lipolytic Fragment (AOD9604) on Lipid ..., https://academic.oup.com/endo/article/142/12/5182/2988749
114GH1 growth hormone 1 GH GH-N GHN IGHD1B hGH-N, https://www.sigmaaldrich.com/US/en/genes/gh1
115Peptide Spotlight: AOD 9604 - The Wellness Lounge, https://www.akwellnesslounge.com/blog/peptide-spotlight-aod-9604
47DSIP (Delta sleep-inducing peptide), https://particlepeptides.com/en/content/12-dsip