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Archive

Tag: Peptide Science

Plain-English explainers on peptide fundamentals: amino acids, structure, receptors, stability and how peptides are made.

October 11, 2026

Nrf2 and Oxidative Stress Explained

What oxidative stress actually means, how the Keap1-Nrf2 switch works, why Nrf2 controls glutathione synthesis, what happened when antioxidants and an Nrf2 activator were put into large trials, and why the GHK-Cu Nrf2 claim does not hold up.

October 11, 2026

mTOR Explained: The Cell’s Growth Switch

What mTOR is, how a soil bacterium from Easter Island led to it, the difference between mTORC1 and mTORC2, what the mouse lifespan data actually said, and why rapamycin is not the clean mTORC1 inhibitor it is often described as.

October 11, 2026

Cell-Penetrating Peptides: How Peptides Get Inside Cells

What cell-penetrating peptides are, how the Tat and penetratin discoveries happened, why the 2003 fixation artefact reset the field, why endosomal escape is still the bottleneck, and where CPPs stand today.

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