Peptide Hacker Lab Blog
New blog posts are published as standalone research guides for stronger SEO and internal linking. This page is the central feed where you can browse every post in one place.
AI Peptide Design for GPCRs: What the 2026 Benchmark Found
A critical analysis of the 2026 GPCR peptide-design benchmark, including confidence overestimation, training-set effects, sequence design, and validation limits.
MOTS-c in Sepsis-Induced Cardiomyopathy: Evidence Review (August 2026)
An August 2026 review of direct MOTS-c evidence in sepsis-induced cardiomyopathy, proposed AMPK and endothelial pathways, and translation gaps.
TE-8214 Extended Octreotide Exposure to 5.5 Days: What the 2026 Phase 1 Study Shows
A critical analysis of the 2026 TE-8214 Phase 1 study, including dual-fatty-acid albumin binding, 5.5-day half-life, IGF-1 findings, and limits.
MOTS-c Is a Mitochondrial-Encoded Host Defense Peptide: What the 2026 eLife Version Shows
A critical analysis of the 2026 MOTS-c host-defense study, including bacterial membrane effects, mouse MRSA evidence, macrophage data, and limits.
OL-RA11 Frog Peptide Linked Autophagy to Wound Repair in Mice: What the 2026 Study Shows
A critical analysis of the August 2026 OL-RA11 study, including mouse wound closure, macrophage autophagy, keratinocyte Wnt signaling, and limits.
Liraglutide Did Not Preserve Residual C-Peptide in Long-Standing Type 1 Diabetes: What a 2026 Pilot RCT Shows
A critical analysis of a new 18-person randomized trial testing liraglutide and residual beta-cell function in long-standing type 1 diabetes.
EWSR1-FLI1 Peptide Vaccine in Metastatic Ewing Sarcoma: What a 2026 Case Report Shows
A critical analysis of the August 2026 first-in-human EWSR1-FLI1 fusion-breakpoint peptide vaccine case report, its immune findings, and its limits.
Cognitive Enhancement Research Compounds Compared: Semax, Selank, and NAD+ Precursors
Compare Semax, Selank, and NAD+ precursors for cognitive enhancement research, including mechanisms, human evidence, limitations, and endpoint selection.
Growth Hormone Axis Explained: GHRH, Ghrelin, GH, and IGF-1
An evidence-based guide to the growth hormone axis, including GHRH, somatostatin, ghrelin receptor signaling, pulsatile GH release, GHR, IGF-1, and peptide secretagogues.
Metabolic Regulation and Peptide Signaling: AMPK, mTOR, and Mitochondrial Crosstalk
Explore how peptide signals interact with AMPK, mTOR, insulin, growth hormone, and mitochondrial pathways to regulate cellular and whole-body metabolism.
Peptide Pharmacokinetics and Bioavailability: Half-Life, Stability, and Absorption
Learn how peptide half-life, proteolytic stability, absorption, distribution, clearance, formulation, and assay design shape bioavailability and research interpretation.
Incretin Weight Loss and Body Composition: What the 2026 Evidence Shows
A research review of lean-mass, fat-mass, and function evidence for semaglutide, tirzepatide, liraglutide, and other incretin-based weight-loss therapies.
Peptide Receptor Desensitization and Cycling: Research Guide
Learn how peptide receptor desensitization, tolerance, and cycling are studied across GH secretagogues and related compounds. Review mechanisms, risk factors, and evidence-based protocol design considerations.
BPC-157 vs TB-500: Mechanism and Evidence Comparison
Compare BPC-157 and TB-500 mechanisms, evidence, and safety profiles. See which peptide is best for tendon, muscle, and gut repair based on research.
CJC-1295 vs Ipamorelin: GH Peptide Comparison
Compare CJC-1295 and Ipamorelin mechanisms, GH release profiles, and safety. Learn the differences between GHRH analogs and GHRPs for growth hormone research.
GHK-Cu vs BPC-157: Wound Healing Peptide Comparison
Compare GHK-Cu and BPC-157 for wound healing, tissue repair, and anti-aging. Learn how these peptides work through different mechanisms — copper binding vs systemic protection.
NAD+ vs MOTS-c: Longevity Peptide Comparison
Compare NAD+ and MOTS-c mechanisms for aging and longevity. Learn how these compounds work through different cellular pathways — NAD+ for sirtuins and MOTS-c for AMPK.
Semax vs Selank: Nootropic Peptide Comparison
Compare Semax and Selank mechanisms, evidence, and effects. Learn which nootropic peptide is better for focus, anxiety, and cognitive enhancement.