Histochemistry of the Porcine Pilosebaceous Unit

    January 1992 in “ Acta Histochemica ”
    Uwe Wollina, Uwe Berger, Christine Stolle, Heiko Stolle, Harald Schubert, C Hipler
    TLDR Porcine and human pilosebaceous units are very similar.
    The study examined the histochemistry of the porcine pilosebaceous unit, focusing on lectin and immunoreactivity. It found that complex carbohydrates, such as mucin and biantennary Man/Gluc types, were present in various parts of the hair follicle epithelia, while sebaceous glands expressed biantennary Man/Gluc carbohydrates and GalNAc residues. Immunohistochemistry confirmed the presence of simple-type and epidermis-like keratins, with filaggrin-positive cells located in the keratinizing zone of HENLE'S layer in anagen follicles. The innermost layer of the outer hair root sheath showed staining for epidermal growth factor-receptor, keratin 10, and Ki67 antigen. The study noted minimal differences between porcine and human pilosebaceous units.
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