Capsaicin (CPS) is a highly selective agonist of the transient receptor potential vanilloid type 1 (TRPV1) with a nanomolar affinity. High doses or prolonged exposure to CPS induces TRPV1 defunctionalization and, although this effect is currently used for the treatment of thermal hyperalgesia in chronic pain conditions, it is responsible of detrimental effects, such as denervation of sensory fibers. The aim of the present study was to formulate CPS loaded lipid nanocarriers (CPS-LN) in order to optimize CPS release, thus preventing TRPV1 internalization and degradation.
Lipid Nanoparticle Inclusion Prevents Capsaicin-Induced TRPV1 Defunctionalization / Puglia, Carmelo; Santonocito, Debora; Bonaccorso, Angela; Musumeci, Teresa; Ruozi, Barbara; Pignatello, Rosario; Carbone, Claudia; Parenti, Carmela; Chiechio, Santina. - In: PHARMACEUTICS. - ISSN 1999-4923. - 12:4(2020), pp. E339-E339. [10.3390/pharmaceutics12040339]
Lipid Nanoparticle Inclusion Prevents Capsaicin-Induced TRPV1 Defunctionalization
Ruozi, Barbara;
2020
Abstract
Capsaicin (CPS) is a highly selective agonist of the transient receptor potential vanilloid type 1 (TRPV1) with a nanomolar affinity. High doses or prolonged exposure to CPS induces TRPV1 defunctionalization and, although this effect is currently used for the treatment of thermal hyperalgesia in chronic pain conditions, it is responsible of detrimental effects, such as denervation of sensory fibers. The aim of the present study was to formulate CPS loaded lipid nanocarriers (CPS-LN) in order to optimize CPS release, thus preventing TRPV1 internalization and degradation.
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