Research Compounds & Bioactive Molecules

Cerebrolysin molecular structure displayed on a black background with “The Peptide Company” branding and the label “Cerebrolysin” in orange text.

Cerebrolysin : Neurotrophic Peptide

No Comments

MixtureResearch, BDNFandNGF Signaling, and Neuroprotective Mechanisms in Neurological Models Cerebrolysin represents a highly sophisticated and extensively researched neurotrophic peptide mixture utilized in advanced neurological recovery models. The historical development of…

Decapeptide-12 molecular structure visualization with peptide chain detail on black background representing melanogenesis and tyrosinase inhibition pathways in dermatological research

Decapeptide-12 : Melanogenesis

No Comments

Inhibition, Tyrosinase Regulation, and Skin Pigmentation Research in Dermatological Models Decapeptide-12, often identified in research contexts under the trade designation Lumixyl, is a synthetic peptide sequence engineered specifically to modulate…

Noopept molecular structure rendered in 3D with silver-blue and orange atoms on a black background, labeled “The Peptide Company” at the top and “Noopept” at the bottom.

Noopept : Neuropeptide Derived

1 Comment

Cognitive Research, BDNF and NGF Modulation, and Synaptic Plasticity Mechanisms in ExperimentalModels Noopept, chemically designated as N-phenylacetyl-L-prolylglycine ethyl ester (and frequently identified in literature by its developmental code GVS-111), is…

Thymalin: Thymic Bioregulator Peptide, Immune Aging, and Epigenetic Control of Cellular Homeostasis

No Comments

Abstract & Overview Thymalin is a tissue-specific bioregulatory peptide derived from thymic tissue and classified within the broader family of cytomedins. It has been studied for its role in regulating…

Pinealon : Neuro-Specific Bioregulator Peptide, Epigenetic Modulation, and Circadian-Neuronal Homeostasis

3 Comments

Abstract & Overview Pinealon is a short synthetic bioregulatory peptide classified within the cytomedin family and studied for its regulatory effects on neuronal tissue. Derived conceptually from pineal-associated peptide fractions,…

Klotho : A Master Regulator of Longevity, Metabolism, and Cellular Resilience

No Comments

Introduction Klotho is a transmembrane protein and circulating hormone-like molecule that has emerged as one of the most significant regulators of aging biology. First identified in 1997, the Klotho gene…

Activin A: TGF-β Superfamily Signaling, SMAD2/3 Pathway Regulation, and Muscle–Fibrosis Cross-Talk

No Comments

Abstract & Overview Activin A is a dimeric protein belonging to the transforming growth factor-beta (TGF-β) superfamily and serves as a key regulator of cellular growth, differentiation, fibrosis signaling, and…

AHK-Cu : Copper Tripeptide Signaling, Extracellular Matrix Remodeling,and Tissue Regeneration Mechanisms in Dermatological Research

No Comments

AHK-Cu (Ala-His-Lys-Cu2+), also referred to as copper tripeptide-3, is a naturally occurring peptide complex that plays a pivotal role in extracellular matrix (ECM) homeostasis, angiogenesis, and tissue regeneration. Though structurally…

Myostatin (GDF-8): Muscle Growth Regulation, TGF-β Superfamily Signaling, and Anabolic Homeostasis

1 Comment

Abstract & Overview Myostatin, also known as Growth Differentiation Factor-8 (GDF-8), is a member of the transforming growth factor-beta (TGF-β) superfamily and serves as a central negative regulator of skeletal…

Ipamorelin : Secretagogue Research, GHRH Receptor Activation, and Metabolic Signaling Pathways in Laboratory Models

No Comments

Ipamorelin is a synthetic pentapeptide and a selective agonist of the ghrelin/growth hormone secretagogue receptor (GHS-R1a). Distinct from other growth hormone-releasing peptides (GHRPs) such as GHRP-6 or GHRP-2, Ipamorelin is…

Tirzepatide: Dual GIP and GLP-1 Receptor Agonism and Integrated Incretin Pathway Signaling

No Comments

Abstract & Overview Tirzepatide is a synthetic peptide engineered to simultaneously activate the glucose-dependent insulinotropic polypeptide (GIP) receptor and the glucagon-like peptide-1 (GLP-1) receptor. This dual incretin agonism represents a…

Semaglutide : GLP-1 Receptor Agonism, Incretin Signaling, and Metabolic Regulation

1 Comment

Abstract & Overview Semaglutide is a long-acting glucagon-like peptide-1 (GLP-1) receptor agonist engineered to enhance incretin signaling and support integrated metabolic regulation. As a modified peptide analog of native GLP-1,…

Decorin : TGF-β Regulation, Extracellular Matrix Signaling, and Fibrosis Modulation

1 Comment

Abstract & Overview Decorin is a small leucine-rich proteoglycan (SLRP) naturally present within the extracellular matrix (ECM), where it plays a central role in collagen organization, growth factor regulation, and…

Pnc‑27 : HDM‑2 Binding Peptide, Cancer Cell Selectivity, and Membrane Disruption Mechanisms

No Comments

Abstract & Overview Pnc‑27 is a synthetic peptide derived from the HDM‑2 binding domain of the tumor suppressor protein p53. It has been developed as a research model for studying…

Vilon : Universal Bioregulator Peptide, Cell Cycle Normalization, and Epigenetic Control of Tissue Homeostasis

4 Comments

Abstract & Overview Vilon is a short, synthetic bioregulatory peptide classified within the cytomedin family and recognized for its broad, non–tissue-restricted regulatory activity. Unlike organ-specific bioregulators that target individual tissues,…

3D molecular structure of PE-22-28, a VGF-derived neuropeptide analog studied in serotonergic and stress-response research

PE‑22‑28: Selective Neuropeptide Analog in Serotonergic and Stress‑Response Research

2 Comments

PE‑22‑28 is a synthetic peptide fragment derived from the VGF (non‑acronymic) neuropeptide precursor, which is widely expressed in the central and peripheral nervous systems.

Ovagen: Ovarian Bioregulator Peptide, Reproductive Axis Modulation, and Cellular Differentiation Research

1 Comment

Abstract & Overview Ovagen is a short bioregulatory peptide isolated and synthesized to mimic naturally occurring peptides derived from ovarian tissue. It functions as a regulatory sequence that supports the…

GHRP‑6 : Growth Hormone Secretagogue Mechanisms, Ghrelin Receptor Activation, and Cellular Metabolic Research

2 Comments

Abstract & Overview GHRP‑6 (Growth Hormone Releasing Peptide‑6) is a synthetic hexapeptide and one of the earliest members of the growth hormone secretagogue (GHS) class. It acts as a potent…

Cartalax : Cartilage-Specific Bioregulator Peptide, Chondrocyte Gene Regulation, and Connective Tissue Homeostasis

2 Comments

Abstract & Overview Cartalax is a tissue-specific bioregulatory peptide classified within the cytomedin family and studied for its regulatory influence on cartilage tissue. Derived conceptually from cartilage-associated peptide fractions, Cartalax…

Orforglipron : Oral Small-Molecule GLP-1 Receptor Agonist and Incretin Pathway Modulation

2 Comments

Abstract & Overview Orforglipron is a synthetic, non-peptide small molecule designed to activate the glucagon-like peptide‑1 (GLP‑1) receptor through oral administration. Unlike traditional incretin agonists derived from peptide backbones, Orforglipron…

FOXO4-DRI : Targeting Cellular Senescence Through p53–FOXO4 Disruption and Senolytic Research

1 Comment

Abstract & Overview FOXO4-DRI is a rationally designed peptide-based research compound developed to investigate mechanisms of cellular senescence and selective elimination of senescent cells. It is engineered to disrupt the…

GHRP‑2 : Pituitary Axis Modulation, Ghrelin Receptor Activation, and Cellular Recovery Research

4 Comments

Abstract & Overview GHRP‑2 (Growth Hormone Releasing Peptide‑2) is a synthetic hexapeptide classified within the family of growth hormone secretagogues (GHS). It is a potent agonist of the ghrelin receptor…

Ara‑290 : Erythropoietin‑Derived Peptide, Tissue Protection, and Neuropathic Repair Mechanisms

2 Comments

Abstract & Overview Ara‑290 is a synthetic 11‑amino‑acid peptide derived from the tertiary structure of erythropoietin (EPO), specifically the region associated with tissue‑protective signaling rather than hematopoiesis. It functions as…

Adipotide (Prohibitin‑Targeting Peptide): Mitochondrial Apoptosis, Angiogenesis Inhibition, and Adipose Tissue Research

1 Comment

Abstract & Overview Adipotide, also known as FTPP (Fat‑Targeted Proapoptotic Peptide), is a synthetic bifunctional peptide designed to selectively target the blood vessels that supply white adipose tissue. It operates…

ACE‑031 : Myostatin Inhibition, Muscle Hypertrophy, and Regenerative Research

1 Comment

Abstract & Overview ACE‑031 is a recombinant fusion protein that functions as a soluble activin receptor type IIB (ActRIIB) analog, designed to inhibit the biological activity of myostatin (GDF‑8) and…

B7‑33 : Relaxin Pathway Modulation and Fibrosis Regulation in Cellular Signaling Research

1 Comment

Abstract & Overview B7‑33 is a single‑chain peptide analog derived from the B‑chain of human Relaxin‑2, designed to selectively activate the Relaxin family peptide receptor 1 (RXFP1). It is being…

Azelaprag : Ghrelin Receptor (GHS‑R1a) Activation, Growth Hormone Secretagogue Signaling, and Energy Balance Research Pathways

2 Comments

Abstract & Overview Azelaprag is a small‑molecule agonist of the growth hormone secretagogue receptor type 1a (GHS‑R1a), a G‑protein–coupled receptor primarily involved in the regulation of growth hormone (GH) secretion,…

Cagrilintide : Amylin Receptor Activation, Energy Homeostasis, and Appetite Regulation in Research Models

2 Comments

Introduction Cagrilintide is a long‑acting amylin receptor agonist being studied for its effects on appetite regulation, energy balance, and metabolic homeostasis. It belongs to a class of compounds designed to…

CagriSema : Dual Amylin and GLP‑1 Receptor Research Synergy in Metabolic and Appetite Regulation Models

4 Comments

Introduction CagriSema is a combination of two research compounds—Cagrilintide, an amylin receptor agonist, and Semaglutide, a GLP‑1 receptor agonist. It represents a new generation of dual‑pathway models designed to explore…

Selank : Tuftsin-Derived Heptapeptide and Neuromodulatory Research Pathways

1 Comment

Introduction Selank is a synthetic heptapeptide derived from the endogenous immunomodulatory peptide Tuftsin. Its sequence, Thr-Lys-Pro-Arg-Pro-Gly-Pro, was engineered for enhanced stability, resistance to enzymatic degradation, and improved neuromodulatory properties. Research…

SLU‑PP‑332 : Estrogen‑Related Receptor Activation, Mitochondrial Oxidative Metabolism, and Exercise‑Mimetic Research Pathways

No Comments

Introduction SLU‑PP‑332 is a synthetic small‑molecule agonist of estrogen‑related receptors (ERRs), primarily ERRα and ERRγ, developed as a research tool to study mitochondrial oxidative metabolism and exercise‑mimetic transcriptional programs. Unlike…

Tesofensine: Monoamine Reuptake Inhibition, Metabolic Energy Regulation, and Neuroendocrine Research Mechanisms

5 Comments

Introduction Tesofensine is a synthetic tropane derivative originally investigated for neurodegenerative disorders and later studied for its impact on metabolic regulation, appetite control, and energy expenditure. It functions primarily as…

Mazdutide : Dual GLP‑1 and Glucagon Receptor Activation in Metabolic and Lipid Regulation Research

4 Comments

Introduction Mazdutide is a synthetic dual agonist designed to target both the glucagon‑like peptide‑1 (GLP‑1) receptor and the glucagon receptor (GCGR). This dual‑receptor activation model is of increasing research interest…

AICAR : AMPK Activation, Cellular Energy Sensing, and Exercise‑Mimetic Signaling in Research Models

2 Comments

Introduction 5‑Aminoimidazole‑4‑carboxamide ribonucleotide (AICAR) is a cell‑permeable adenosine analog widely used in research to study cellular energy sensing and metabolic regulation. Once inside cells, AICAR is phosphorylated to ZMP, an…

Apelin : APJ Receptor Signaling, Cardiovascular Regulation, and Metabolic Research Pathways

5 Comments

Introduction Apelin is an endogenous peptide ligand for the APJ receptor (APLNR), a G‑protein–coupled receptor widely expressed in cardiovascular, metabolic, and central nervous system tissues. Since its identification, apelin has…

Follistatin: Myostatin-Regulated Pathways and Advanced Muscle Research

4 Comments

Introduction Follistatin is a multi-domain extracellular glycoprotein studied for its regulatory influence on TGF-β superfamily ligands—most notably myostatin (GDF-8) and activin A. These ligands shape muscle growth limitation, inflammation, and…

Cardiogen: Short Peptide Bioregulator for Cardiac and Myocardial Tissue Research

6 Comments

Introduction Short peptide bioregulators—ultrashort amino acid motifs typically 2–4 residues long—are studied for their potential to influence transcriptional activity, chromatin structure, mitochondrial signaling, and overall cellular regulation within specific tissues.…

VIP (Vasoactive Intestinal Peptide): Neuroimmune Signaling, Circadian Regulation, and Systemic Research Pathways

No Comments

Introduction Vasoactive Intestinal Peptide (VIP) is a 28–amino acid neuropeptide widely distributed throughout the central nervous system, peripheral nerves, and immune tissues. Originally identified in the gastrointestinal tract, VIP is…

Oxytocin : Neuroendocrine Signaling, Social Cognition, and Systemic Regulatory Pathways in Research Models

7 Comments

Introduction Oxytocin is a nonapeptide neurohormone synthesized primarily in the hypothalamus and released through the posterior pituitary. It functions as both a hormone and a neuromodulator, with research spanning social…

ProstaMax : Short Peptide Bioregulator for Prostate Tissue Regulatory Research

5 Comments

Introduction Short peptide bioregulators—ultrashort amino acid sequences typically 2–4 residues long—are studied for their ability to influence transcriptional activity, chromatin structure, and intracellular signaling within specific tissues. ProstaMax is a…

NAD+ : Central Redox Cofactor, Cellular Energy Metabolism, and Regulatory Signaling in Research Models

2 Comments

Introduction Nicotinamide adenine dinucleotide (NAD⁺) is a ubiquitous redox cofactor essential for cellular energy metabolism, mitochondrial function, and regulatory signaling. Beyond its classical role in oxidation–reduction reactions, NAD⁺ serves as…

Kisspeptin: Hypothalamic–Pituitary–Gonadal Axis Control and Neuroendocrine Signaling in Research Models

5 Comments

Introduction Kisspeptin refers to a family of neuropeptides encoded by the KISS1 gene that play a central role in regulating the hypothalamic–pituitary–gonadal (HPG) axis. Discovered through cancer-metastasis research and later…

Humanin : Mitochondrial-Derived Peptide Signaling, Cellular Stress Resistance, and Neuroprotective Research Pathways

4 Comments

Introduction Humanin is a small mitochondrial-derived peptide (MDP) encoded within the mitochondrial genome and translated in the cytoplasm. It was originally identified in studies of neuronal survival and has since…

Hexarelin: Growth Hormone Secretagogue Signaling, Receptor Dynamics, and Tissue-Level Research Pathways

5 Comments

Introduction Hexarelin is a synthetic hexapeptide belonging to the growth hormone secretagogue (GHS) class. It is widely studied for its interaction with the growth hormone secretagogue receptor (GHS‑R1a) and its…

Glutathione: Cellular Redox Homeostasis, Antioxidant Defense, and Detoxification Pathways in Research Models

3 Comments

Introduction Glutathione (GSH) is a tripeptide composed of glutamate, cysteine, and glycine and is one of the most abundant intracellular antioxidants. It plays a central role in maintaining cellular redox…

AOD-9604

6 Comments

Overview AOD‑9604 is a 16‑amino‑acid fragment derived from the C‑terminus of growth hormone (residues 177–191 with an added N‑terminal tyrosine). It was developed to study lipid‑metabolism pathways attributed to this…

Melanotan II

No Comments

Overview Melanotan II (MT‑II) is a synthetic cyclic heptapeptide analog of α‑melanocyte‑stimulating hormone (α‑MSH). It activates melanocortin receptors, particularly MC1R on melanocytes, to increase eumelanin synthesis. Interest has centered on…

PT‑141 (Bremelanotide)

5 Comments

Overview PT‑141 (bremelanotide) is a cyclic melanocortin receptor agonist derived from α‑MSH analog chemistry. It primarily targets MC4R (with some MC3R activity) within central neural circuits involved in sexual desire…

BPC-157

No Comments

Overview BPC‑157 (Body Protection Compound‑157) is a 15‑amino acid peptide fragment derived from a naturally occurring protein found in human gastric juice. It has been extensively studied in preclinical settings…

IGF-1 LR3

7 Comments

Overview IGF‑1 LR3 (Insulin‑like Growth Factor 1 Long Arg3) is a synthetic analog of endogenous IGF‑1 with an extended half‑life due to modifications at the N‑terminus and a substitution of…

GLP-1 Pathway Peptides: Comparative Research on Semaglutide, Tirzepatide & Retatrutide

6 Comments

GLP-1 Pathway Research: Semaglutide vs Tirzepatide vs Retatrutide Educational & Research Use Only — Not Medical Advice Interest in GLP-based peptide therapies has surged in both clinical and research communities.…

TB-500 (Thymosin Beta-4 Fragment)

No Comments

Overview TB-500 is a synthetic peptide fragment derived from thymosin beta-4 (Tβ4), a naturally occurring 43-amino-acid protein found in most tissues and cell types. This peptide fragment was developed to…

GHK-Cu — Research Article

4 Comments

Independent research publication focused on peptide innovation, regenerative biology, and skin science. Overview GHK-Cu (glycyl-L-histidyl-L-lysine-copper) is a naturally occurring copper-binding tripeptide first identified in human plasma in the 1970s. It…

Tesamorelin Research Article

No Comments

Tesamorelin is a synthetic peptide analog of growth hormone–releasing hormone (GHRH), designed to enhance stability and receptor affinity. It contains 44 amino acids and mimics the native GHRH sequence responsible…

Retatrutide — Triple Agonist Research Article

No Comments

Retatrutide is an investigational multi-receptor agonist peptide designed to target three key incretin and energy-regulating pathways simultaneously: glucagon-like peptide-1 (GLP-1), glucose-dependent insulinotropic polypeptide (GIP), and glucagon receptors. By integrating agonism…

Dihexa — Neurotrophic Peptide Research Article (Educational • Research Use Only)

5 Comments

Overview Dihexa (N-hexanoic-Tyr-Ile-(6) aminohexanoic amide) is a synthetic peptide derivative of Angiotensin IV, designed to study neurotrophic and cognitive-enhancing properties. Developed by researchers at Washington State University, Dihexa was engineered…

BAM15 — Mitochondrial Uncoupler Research Article (Educational • Research Use Only)

No Comments

Overview BAM15 (N5,N6-bis(2-fluorophenyl)[1,2,5]oxadiazolo[3,4-b]pyrazine-5,6-diamine) is a synthetic small molecule identified as a mitochondrial protonophore. Originally discovered through high-throughput screening for mitochondrial modulators, BAM15 functions as a selective mitochondrial uncoupler, separating electron…

Thymosin Alpha-1 (Tα1): Immune Resilience and the Science of Thymic Restoration

3 Comments

The Forgotten Immune Regulator For decades, the thymus — the small gland behind the sternum — has been quietly training the immune system’s most specialized soldiers: T-cells. With age, chronic…

KPV: The Anti-Inflammatory Tripeptide and Cellular Repair Mechanism

4 Comments

From Inflammation to Regeneration Inflammation is the body’s first response to damage or stress — an essential defense process that, when unresolved, becomes the foundation for chronic disease and tissue…

MOTS-c: The Mitochondrial-Encoded Peptide for Metabolic Regulation and Cellular Resilience

8 Comments

A New Class of Bioactive Molecules Mitochondria are traditionally described as the “powerhouses” of the cell, responsible for ATP production and energy balance. In recent years, a new perspective has…

5-Amino-1MQ: NNMT Inhibition, NAD⁺ Regulation, and Metabolic Optimization

No Comments

A New Direction in Cellular Energy Control Cellular metabolism is shaped by a network of nutrient-sensing pathways that regulate energy production, fat storage, and mitochondrial efficiency. While much attention has…

SS-31 (Elamipretide): Mitochondrial Protection, Cardiolipin Stabilization, and Cellular Energy Restoration

5 Comments

A New Frontier in Mitochondrial Medicine Mitochondria regulate cellular energy, stress responses, redox balance, and metabolic flexibility. As these systems decline with age or metabolic stress, mitochondrial dysfunction becomes a…

LL-37: The Antimicrobial Peptide and Innate Immunity Blueprint

2 Comments

The Body’s Built-In Defense Signal Long before adaptive immunity learns to recognize specific pathogens, the body relies on a fast, powerful system known as innate immunity. At the center of…

Pancreagen: Short Peptide Bioregulator for Pancreatic Tissue Research

No Comments

Short peptide bioregulators—also known as cytomedins—are ultrashort amino acid sequences that influence gene expression, chromatin dynamics, and intracellular signaling in specific tissues. Pancragen is associated with pancreatic endocrine and exocrine…

Frag 176–191: Growth Hormone–Derived Fragment and Lipolytic Research Mechanisms

5 Comments

Introduction Frag 176–191 is a synthetic peptide representing the C-terminal region of the human growth hormone (GH) molecule. It does not activate the GH receptor and does not stimulate IGF-1…

Bronchogen: Short Peptide Bioregulator for Bronchial and Pulmonary Tissue Research

6 Comments

Introduction Short peptide bioregulators—also known as cytomedins—are ultrashort amino acid sequences studied for their role in regulating gene expression, cellular differentiation, chromatin structure, and intracellular signaling. Bronchogen is associated with…

Sermorelin: GHRH Fragment Research and Growth Hormone Pulsatility Models

8 Comments

Introduction Sermorelin is a 29-amino-acid fragment of endogenous GHRH used in research to study growth hormone (GH) pulsatility, endocrine timing, and receptor-specific signaling. It preserves the natural binding region of…

IGF-1 Analogues: LR3 and DES Structural Variations and Receptor Binding in Research Models

8 Comments

Introduction Insulin-like Growth Factor-1 (IGF-1) is a central mediator of growth hormone (GH) signaling involved in tissue growth, cellular repair, metabolic function, and proliferation. Two widely examined analogues—IGF-1 LR3 and…

CJC-1295 : GHRH Analog, DAC Conjugation, and Growth Hormone Pulsatility in Research

6 Comments

Introduction Growth hormone (GH) release is governed by a tightly regulated endocrine axis involving GHRH, somatostatin, and feedback from GH and IGF-1. CJC‑1295 represents a family of GHRH analog constructs…

Epithalon (Epitalon): Telomere Biology, Cellular Senescence, and Circadian Regulation in Research Models

No Comments

Introduction Epithalon (Epitalon) is a synthetic tetrapeptide with the sequence Ala–Glu–Asp–Gly, modeled after endogenous pineal peptides. Research explores its roles in telomere regulation, cellular senescence, circadian rhythm biology, mitochondrial signaling,…

NMN: NAD⁺ Precursor Biology, Cellular Metabolism, and Mitochondrial Research

6 Comments

Introduction NMN (nicotinamide mononucleotide) is a central intermediate in the NAD⁺ salvage pathway and is widely studied for its role in cellular metabolism, mitochondrial redox cycles, genomic maintenance, and energy…

Semax : ACTH(4–10)-Derived Heptapeptide and Neurotrophic Research Pathways

5 Comments

Introduction Semax is a synthetic heptapeptide derived from the endogenous immunomodulatory peptide Tuftsin. Its sequence, Met-Glu-His-Phe-Pro-Gly-Pro, was engineered for enhanced stability, resistance to enzymatic degradation, and improved neuromodulatory properties. Research…