TY - JOUR
T1 - Pharmacological Analysis of the Anti-inflammatory and Antiallodynic Effects of Zinagrandinolide e from Zinnia grandiflora in Mice
AU - Reyes-Pérez, Valeria Itzel
AU - Granados-Soto, Vinicio
AU - Rangel-Grimaldo, Manuel
AU - Déciga-Campos, Myrna
AU - Mata, Rachel
N1 - Publisher Copyright:
© 2021 American Chemical Society. All rights reserved.
PY - 2021/3/26
Y1 - 2021/3/26
N2 - Zinagrandinolide E (1, ZGE) is an elemanolide with antinociceptive action isolated from Zinnia grandiflora (Asteraceae), valued in North México and southwestern United States for pain relief. Herein, we report the anti-inflammatory and antiallodynic action of ZGE (1) in carrageenan-induced inflammation and tactile allodynia in mice and in a neuropathic pain model in hyperglycemic mice. Local peripheral administration of ZGE (1-30 μg/paw) induced dose-dependent acute anti-inflammatory and antiallodynic effects. The anti-inflammatory effect was comparable to diclofenac (30 μg/paw). Intrathecal (i.t.) administration of ZGE (30 μg) in acute experiments did not affect carrageenan-induced inflammation but significantly reduced tactile allodynia in a dose-dependent fashion. In long-term experiments (15 or 6 days), using two different scheme treatments (pretreatment or post-treatment), ZGE (3-30 μg/paw) showed antiallodynic but not anti-inflammatory action. Local peripheral (3-30 μg/paw) or intrathecal (3-30 μg) administration of ZGE partially reversed tactile allodynia in hyperglycemic mice, better or comparable, respectively, with those of pregabalin (30 μg/paw or 30 μg i.t.). The effects were dose-dependent. According to the pharmacological tools employed, the anti-inflammatory and antiallodynic activities of ZGE are multitarget; these involve the opioidergic, serotoninergic, and GABAergic systems, as well as the NO-cGMP-ATP-sensitive K+channel signaling pathway.
AB - Zinagrandinolide E (1, ZGE) is an elemanolide with antinociceptive action isolated from Zinnia grandiflora (Asteraceae), valued in North México and southwestern United States for pain relief. Herein, we report the anti-inflammatory and antiallodynic action of ZGE (1) in carrageenan-induced inflammation and tactile allodynia in mice and in a neuropathic pain model in hyperglycemic mice. Local peripheral administration of ZGE (1-30 μg/paw) induced dose-dependent acute anti-inflammatory and antiallodynic effects. The anti-inflammatory effect was comparable to diclofenac (30 μg/paw). Intrathecal (i.t.) administration of ZGE (30 μg) in acute experiments did not affect carrageenan-induced inflammation but significantly reduced tactile allodynia in a dose-dependent fashion. In long-term experiments (15 or 6 days), using two different scheme treatments (pretreatment or post-treatment), ZGE (3-30 μg/paw) showed antiallodynic but not anti-inflammatory action. Local peripheral (3-30 μg/paw) or intrathecal (3-30 μg) administration of ZGE partially reversed tactile allodynia in hyperglycemic mice, better or comparable, respectively, with those of pregabalin (30 μg/paw or 30 μg i.t.). The effects were dose-dependent. According to the pharmacological tools employed, the anti-inflammatory and antiallodynic activities of ZGE are multitarget; these involve the opioidergic, serotoninergic, and GABAergic systems, as well as the NO-cGMP-ATP-sensitive K+channel signaling pathway.
UR - http://www.scopus.com/inward/record.url?scp=85091435912&partnerID=8YFLogxK
U2 - 10.1021/acs.jnatprod.0c00793
DO - 10.1021/acs.jnatprod.0c00793
M3 - Artículo
C2 - 32870011
AN - SCOPUS:85091435912
SN - 0163-3864
VL - 84
JO - Journal of Natural Products
JF - Journal of Natural Products
IS - 3
ER -