DSIP (Delta Sleep-Inducing Peptide): Sleep Regulation Research
Delta Sleep-Inducing Peptide (DSIP) is a neuropeptide first isolated from rabbit cerebral venous blood in 1974 by the Schoenenberger-Monnier group at the University of Basel. The researchers were seeking a transferable sleep factor — a substance that could be isolated from sleeping donors and induce sleep in recipient animals — and found that infusion of […]
Tesamorelin Research Overview: From FDA-Approved Therapy to Ongoing Research
Tesamorelin research occupies a unique position among growth hormone-releasing hormone (GHRH) analogs: it is the only compound in this class to have received U.S. Food and Drug Administration (FDA) approval, granted in 2010 under the brand name Egrifta® for the reduction of excess visceral adipose tissue (VAT) in adults with HIV-associated lipodystrophy. This regulatory milestone, […]
Melanotan II: Melanocortin System and Photoprotection Research
Melanotan II (MT-II) is a cyclic synthetic analog of alpha-melanocyte-stimulating hormone (α-MSH), developed at the University of Arizona in the 1980s and 1990s by researchers seeking to understand the melanocortin receptor system and its potential therapeutic applications. Unlike its linear counterpart Melanotan I (afamelanotide), Melanotan II is a non-selective, pan-melanocortin receptor agonist — it binds […]
Research Peptide Storage and Handling: A Laboratory Best Practices Guide
Introduction Peptide storage and handling is a prerequisite for experimental integrity and reproducibility. When research peptides degrade prior to use, even the most rigorously designed study yields unreliable data — making proper storage and handling not a best practice but a scientific necessity. Temperature fluctuations, moisture exposure, inappropriate solvents, and repeated freeze-thaw cycles are among […]
Semax: Nootropic Peptide and Neuroprotection Research
Semax is a synthetic heptapeptide developed at the Institute of Molecular Genetics of the Russian Academy of Sciences, designed as a stable, CNS-active analog of the ACTH(4-10) fragment — itself a short segment of adrenocorticotropic hormone known to influence learning and memory in rodent models. Semax (Met-Glu-His-Phe-Pro-Gly-Pro, or MEHFPGP) strips away the steroidogenic activity of […]
TB-500 (Thymosin Beta-4): Tissue Repair and Regeneration Research
Thymosin Beta-4 — marketed in research contexts as TB-500 — is a 43-amino acid peptide originally isolated from bovine thymus tissue. Over several decades of preclinical investigation, it has emerged as one of the most broadly active peptides in the field of tissue repair biology. From its foundational role as the principal actin-sequestering molecule in […]
GHK-Cu: Copper Peptide Research in Skin and Tissue Remodeling
GHK-Cu — the copper(II) chelate of the tripeptide glycyl-L-histidyl-L-lysine — is one of the most extensively studied peptide compounds in skin biology and tissue repair research. First isolated from human plasma in the early 1970s, this small signaling molecule has attracted decades of scientific attention for its apparent role in orchestrating cellular repair, collagen remodeling, […]
GLP-1 Receptor Agonists: The Research Landscape
Research Use Only. The information presented here is for scientific and educational purposes. These compounds are not intended for human consumption, self-administration, or therapeutic use. Introduction Few peptide systems in modern biomedical research have attracted as much sustained scientific attention as glucagon-like peptide-1 (GLP-1). The story begins in the early 1980s, when researchers working on the […]
BPC-157: A Comprehensive Review of Current Research
BPC-157: A Comprehensive Review of Current Research Introduction BPC-157 (Body Protection Compound-157) is a synthetic pentadecapeptide derived from a partial sequence of a protein found in human gastric juice. First isolated and characterized by researchers at the University of Zagreb in the early 1990s, BPC-157 consists of 15 amino acids and has since become one […]
Growth Hormone Peptides: What Sermorelin, Ipamorelin, and Tesamorelin Are—and How They Work
This article is provided for educational and scientific discussion about peptides and endocrine physiology. It is not medical advice, and it does not recommend or instruct human use. Many compounds discussed here are investigated in research settings; tesamorelin is a notable exception with an FDA-approved prescription indication for a specific condition (covered below). (accessdata.fda.gov) Table […]