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Multi-week culture studies examining collagen, elastin, and proteoglycan gene expression often require repeat dosing of cultures across several passages, which draws down stock material more quickly than a single-endpoint assay

Chronic, uninterrupted activation can lead to pathway desensitization, the biological equivalent of diminishing returns

If you cannot remove the Pen cap, gently twist the Pen cap back and forth, and then pull the Pen cap straight off

Nguyen DX, Bos PD, Massague J

Why use BAC water instead of regular sterile water
