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Research Hub โ€” Peptide Research Articles & Guides | Page 5

Hexagon molecule pattern
A scientific infographic, "Oxytocin & Neuronal Circuits," on a stylized side-view brain with four labeled nodes connected to a central **oxytocin receptor (OXTR)** icon: "VTA โ†’ nucleus accumbens (reward / dopamine)," "PVN (copulatory control / nitric oxide)," "VTAโ€“midbrain (social salience)," "central amygdala (fear โ€” opposite to vasopressin)."
Nootropic & Cognitive Peptides
Oxytocin and Neuronal Circuits: OXTR, Reward & Fear

Oxytocin signals through the oxytocin receptor (OXTR) across many neuronal circuits. This research-use-only reference reviews OXTR signaling, mesolimbic reward (VTA-nucleus accumbens dopamine), copulatory PVN circuits,

A scientific infographic, "CJC-1295 + Hexarelin: Two Doors to Growth Hormone." A single pituitary **somatotroph** with two membrane receptors: "GHRH receptor (CJC-1295 โ†’ cAMP/PKA)" on one side and "GHS-R1a / ghrelin receptor (Hexarelin โ†’ PLC/PKC)" on the other, both converging on **GH-vesicle release**. A synergy call-out: "GHRH 792 + Hexarelin 2,200 โ†’ combined 4,259 ยตgยทh/L (supra-additive)."
Anti-Aging & Longevity Peptides
CJC-1295 & Hexarelin: GHRH Analog + GH Secretagogue

CJC-1295 (a GHRH analog) and Hexarelin (a growth hormone secretagogue) stimulate somatotrophs through complementary pathways. This research-use-only reference reviews their GH/IGF-1 signaling, synergy, and Hexarelin’s

A scientific infographic, "Thymogen (Glu-Trp) & Immune Cells." Center: a **T-lymphocyte maturing** from an immature precursor into a functional T cell, guided by a tiny 2-bead **Glu-Trp dipeptide**. Outcome tiles: "T-cell differentiation โ†‘," "cAMP/cGMP balance," "CD4/CD8 ratio normalized," "IL-2 / interferon signaling."
Bioregulator Peptides
Thymogen (Glu-Trp) and Immune Cell Regulation

Thymogen is the L-Glu-L-Trp thymic dipeptide. This research-use-only reference reviews how it may support T-lymphocyte differentiation, shift the cAMP/cGMP balance, and how its mirror-image D-form

A scientific infographic, "Kisspeptin-10 & Neuronal Cells." Center: a hypothalamus with a **kisspeptin neuron** signaling a **GnRH neuron** via the **KISS1 receptor (GPR54)**. Four outcome tiles: "GnRH release โ†‘," "Granulosa progesterone โ†‘ (StAR; miR-1246 โ†“)," "Neuroprotection: binds amyloid-ฮฒ / ฮฑ-synuclein (GPR54-independent)," "Appetite: NPY โ†‘ / BDNF โ†“."
Nootropic & Cognitive Peptides
Kisspeptin 45-54: Hypothalamic Signaling and Neuronal Research

Kisspeptin 45-54 (kisspeptin-10) activates the GPR54/KISS1 receptor. This research-use-only reference reviews its hypothalamic GnRH signaling, granulosa steroidogenesis, and receptor-independent neuroprotection against amyloid-beta and alpha-synuclein.

PNC 27 Targets Membrane HDM 2 โ€“ Cancer Cell vs Normal Cell โ€“ Main image
Healing Peptides & Tissue Repair
PNC-27 and Tumor Cell Lines: Membrane HDM-2 & Necrosis

PNC-27 is a chimeric p53-penetratin research peptide. This research-use-only reference explains how it binds membrane HDM-2 on cancer cells to form pores and trigger p53-independent

Tesamorelin: Build Muscle ยท Burn Fat." Top-center: a pituitary gland releasing pulsed **growth hormone**. Left "ANABOLIC" panel: a muscle fiber with "IGF-1 โ†’ PI3K/Akt/mTOR โ†’ protein synthesis (+12% muscle area)." Right "CATABOLIC" panel: a shrinking **visceral fat cell** with "hormone-sensitive lipase โ†’ lipolysis (~15โ€“18% visceral fat)."
Anti-Aging & Longevity Peptides
Tesamorelin: Anabolic Growth & Catabolic Fat Signaling

Tesamorelin is a stabilized GHRH analog. This research-use-only reference explains its mechanism of action – GH and IGF-1 signaling, PI3K/Akt/mTOR muscle anabolism, and the lipolysis

Pal-AHK & the Hair Follicle." Left: a labeled cross-section of a hair follicle with the **dermal papilla** highlighted. Right: four arrow-linked outcome tiles โ€” "VEGF โ†‘ (perifollicular blood vessels)," "TGF-ฮฒ1 โ†“," "Apoptosis โ†“ (caspase-3, PARP)," "Type-I collagen โ†‘ ~300%." A small inset shows a copper ion (Cuยฒโบ) held by the peptide.
Anti-Aging & Longevity Peptides
Pal-AHK and Follicular Cells: Copper-Peptide Growth & Apoptosis

Pal-AHK is a palmitoylated copper-binding tripeptide (AHK-Cu). This research-use-only reference reviews how it may shift apoptosis regulators, raise VEGF, lower TGF-beta1, and stimulate collagen in

PE-22-28 vs Spadin. Column headers with two peptide chains (7 amino acids vs 17 amino acids). Rows shown as small bar-graph icons: TREK-1 ICโ‚…โ‚€ (0.12 nM vs 40โ€“60 nM), duration of action (23 h vs 7 h), channel selectivity (TREK-1 โœ“, TREK-2/TRAAK โœ— for both).
Nootropic & Cognitive Peptides
PE-22-28 and Nerve Cells: TREK-1 Blockade & Neuroplasticity

PE-22-28 is a spadin-derived research peptide that blocks the TREK-1 potassium channel. This research-use-only reference explains how it may disinhibit serotonergic neurons and engage BDNF

Chonluten peptide capsule vial beside a lung and bronchial illustration explaining how the Khavinson bioregulator works
Anti-Aging & Longevity Peptides
What Is Chonluten Peptide? Research, Mechanism & Uses

Chonluten (Glu-Asp-Gly) is a synthetic tripeptide from the Khavinson bioregulator series. This guide covers its structure, the cell and animal studies on bronchial tissue, what

Infographic summarizing reported Bronchogen peptide benefits for lung and bronchial health
Anti-Aging & Longevity Peptides
Bronchogen: Lung Bioregulator Research and Measurements

Bronchogen (Ala-Glu-Asp-Leu) is a synthetic tetrapeptide from the Khavinson bioregulator series. This guide covers its identity, the bronchial culture and DNA-binding studies, and the limits

Follistatin 344 peptide vial beside a skeletal muscle illustration explaining how follistatin blocks myostatin
Growth Hormone Peptides
Follistatin 315 and 344: What the Difference Is

Follistatin is a glycoprotein that binds myostatin and activin. This guide explains how follistatin-344 and follistatin-315 differ, what animal and gene-therapy studies measured, and what

All research articles

The complete library, 117 articles, grouped by type. Each one links to the listings it discusses and to the lot certificate behind each listing.

Guides: handling, testing and sourcing

Comparisons and formats

Compound research reviews (A to Z)

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