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    Glossary Proteases

    Proteases are enzymes that catalyze the breakdown of proteins into smaller peptides or amino acids by cleaving peptide bonds. In the context of hair loss and hair biology, proteases play a crucial role in various physiological processes, including hair follicle cycling and the regulation of hair growth. Dysregulation of protease activity can contribute to conditions such as androgenetic alopecia, where excessive proteolytic activity may lead to follicle miniaturization and hair thinning. Key distinguishing characteristics of proteases include their specificity for different peptide bonds and their classification into various families based on their catalytic mechanisms, such as serine, cysteine, and metalloproteases.

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    Research 10 of 1000+

    1. Epidermal differentiation: The role of proteases and their inhibitors European Journal of Cell Biology · 2004 · 118 citations
    2. The mRNA for Protease Nexin-1 is Expressed in Human Dermal Papilla Cells and its Level is Affected by Androgen Journal of Investigative Dermatology · 1999 · 27 citations
    3. Nagashima-Type Palmoplantar Keratosis: A Common Asian Type Caused by SERPINB7 Protease Inhibitor Deficiency Journal of Investigative Dermatology · 2014 · 24 citations
    4. Targeting host cell proteases as a potential treatment strategy to limit the spread of SARS‐CoV‐2 in the respiratory tract Pharmacology Research & Perspectives · 2020 · 15 citations
    5. The CAP1/Prss8 catalytic triad is not involved in PAR2 activation and protease nexin‐1 (PN‐1) inhibition The FASEB Journal · 2014 · 14 citations
    6. Protease activity, localization and inhibition in the human hair follicle International Journal of Cosmetic Science · 2013 · 11 citations
    7. Protease-Activated Receptor-1 (Thrombin Receptor) Is Expressed in Mesenchymal Portions of Human Hair Follicle Journal of Investigative Dermatology · 2003 · 7 citations
    8. Properties of Partially Extracted Hairs and their Degradability by Proteases Sen'i Gakkaishi · 2007
    9. An Integrated Two-Step Enzymatic Unhairing Strategy: Eliminating the Penetration Barrier via Soaking To Enhance Targeted Protease Action Industrial & Engineering Chemistry Research · 2026
    10. The mouse frizzy (<i>fr</i>) and rat ‘hairless’ (<i>fr</i><sup><i>CR</i></sup>) mutations are natural variants of protease serine S1 family member 8 (<i>Prss8</i>) Experimental Dermatology · 2010 · 28 citations
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    Community 1 of 9

    1. South Korea is debating whether hair loss should be covered by public healthcare. That alone says a lot about how we still misunderstand hair loss. Reddit · 19 Jan 2026
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