Comparison

DSIP vs Tirzepatide

Function

While 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, Tirzepatide is approved for type 2 diabetes and obesity, producing larger HbA1c and body-weight reductions than semaglutide in head-to-head trials24.

Mechanism

While DSIP works as 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, Tirzepatide is a 39-amino-acid synthetic peptide primarily based on GIP sequence with C20 fatty diacid conjugation that acts as a dual agonist at GIP and GLP-1 receptors, enhancing glucose-dependent insulin secretion, suppressing glucagon, delaying gastric emptying, and reducing appetite24.

Length and Sequence

DSIP is 9 amino acids long, whereas Tirzepatide is longer as it has a length of 39 amino acids. DSIP is made up of a sequence of Tryptophan, Alanine, Glycine, Glycine, Aspartic acid, Alanine, Serine, Glycine, Glutamic acid. Tirzepatide is made up of a sequence of sequence data not available in the current dataset.

Receptor

DSIP

Not clearly established in the current dataset.

Tirzepatide

Glucose-dependent insulinotropic polypeptide receptor (GIPR) and GLP-1 receptor (GLP1R) 24

Organism or Origin

DSIP

Endogenous vertebrate neuropeptide; its encoding gene has not been identified47

Tirzepatide

Synthetic dual GIP/GLP-1 receptor agonist modeled on human incretin hormones2480

Gene

DSIP

Not assigned in the current dataset.

Tirzepatide

Not assigned in the current dataset.