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We actually prefer SQ because its painless and has an established track record of effective B12 delivery, whereas IM can be painful and tends to put people off self-injecting

A study comparing existing anti-SaCas9 and anti-SpCas9 antibodies in serum and vitreous fluid from 13 patients who underwent vitrectomy surgery found that all three serum samples tested positive for SaCas9 and SpCas9, whereas only two vitreous fluid samples were positive for SaCas9, and two others for SpCas9

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Biochim Biophys Acta 1117: 120125

A 2025 study found GHK-Cu combined with minoxidil produced 35% terminal hair growth versus 18% with minoxidil alone

Example experimental endpoints: healing rate (time to closure), expression of repair markers (e.g., collagen I/III ratio), and functional recovery assays