Novel Locally Active Estrogens Accelerate Cutaneous Wound Healing. A Preliminary Study

New 17β-estradiol (E2) derivatives 1−11 were synthesized from an estrone derivative by addition of organometallic reagents prepared from protected α,ω-alkynols and further elaboration of the addition products. The estrogenic activity of these novel compounds was determined using in vitro binding com...

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Bibliographic Details
Published in:Molecular pharmaceutics 2009-04, Vol.6 (2), p.543-556
Main Authors: Brufani, Mario, Ceccacci, Francesca, Filocamo, Luigi, Garofalo, Barbara, Joudioux, Roberta, La Bella, Angela, Leonelli, Francesca, Migneco, Luisa M, Marini Bettolo, Rinaldo, Farina, Paolo M, Ashcroft, Gillian S, Routley, Claire, Hardman, Matthew, Meda, Clara, Rando, Gianpaolo, Maggi, Adriana
Format: Article
Language:English
Subjects:
Animals
Breast Neoplasms - drug therapy
Breast Neoplasms - pathology
Estradiol - analogs & derivatives
Estradiol - chemistry
Estradiol - pharmacology
Estrogens - chemistry
Estrogens - pharmacology
Female
Humans
Mice
Mice, Inbred C57BL
Ovariectomy
Receptors, Estrogen - metabolism
Skin - drug effects
Skin - injuries
Skin - metabolism
Transcriptional Activation - drug effects
Wound Healing - drug effects
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Summary:New 17β-estradiol (E2) derivatives 1−11 were synthesized from an estrone derivative by addition of organometallic reagents prepared from protected α,ω-alkynols and further elaboration of the addition products. The estrogenic activity of these novel compounds was determined using in vitro binding competition assay and transactivation analysis. Among the E2 derivatives synthesized, compound 2 showed the highest transactivation potency and was therefore tested for its ability to modulate cutaneous wound healing in vivo. Compound 2’s ability to accelerate wound healing in ovariectomized mice and decrease the production of inflammatory molecules was comparable to that of E2. However, the activity of compound 2 was not superimposable to E2 with regard to the cells involved in the wound repairing process. When locally administered, compound 2 did not show any systemic activity on ER. This class of compounds with clear beneficial effects on wound healing and suitable for topical administration may lead to the generation of innovative drugs for an area of unmet clinical need.
ISSN:1543-8384
1543-8392
DOI:10.1021/mp800206b