Non era chiaro ma io ho sempre pensato che parlasse di uso topico per l'acne.
Dagli articoli che nel 2005 mi avevi spedito asc-j9 era considerato più potente di Hydroxyflutamide. Cmq non essendo ancora testato e non essendo un principio puramente naturale ma quasi-sintetico dubito che sia legalmente commercializzabile.
Che ne dici di resveragenetics. La FDA ha dato l'approvazione alla commercializzazione di integratori da 500mg e 1000mg di resveratrolo.
Our products harness the power of resveratrol, the “red wine molecule” that is becoming notorious in the medical field for its potential to help combat cancer, viral infections, and the effects of diabetes, as well as age-related illnesses such as Alzheimer’s and arthritis. Our R300 and R500 capsules offer the highest concentration of resveratrol currently on the market, providing dosage equal to that used in the well-known Harvard Medical School study conducted by David Sinclair. In the study, resveratrol was found to increase the lifespan of obese mice by preventing most side effects associated with high calorie diets.
E' interessante anche in relazione alle utilme informazioni circa gli inibitori dell'aromatasi. Per limitare il feedback estrogenico con l'uso di 5 alpha reductase inibitors il resveratrolo è un ottimo candidato, anche per la ingente mole di altrettanti effetti positivi sulla salute:
http://www.ncbi.nlm.nih.gov/sites/e...ez.Pubmed.Pubmed_ResultsPanel.Pubmed_RVDocSum
1: ChemMedChem. 2007 Oct 1; [Epub ahead of print] Links
Combining Computational and Biochemical Studies for a Rationale on the Anti-Aromatase Activity of Natural Polyphenols.Neves MA, Dinis TC, Colombo G, Sá E Melo ML.
Centro de Estudos Farmacêuticos, Lab. Química Farmacêutica, Faculdade de Farmácia, Universidade de Coimbra, Rua do Norte, 3000-295 Coimbra, Portugal, Fax: (+351)#8201;239#8201;827#8201;126.
Aromatase, an enzyme of the cytochrome P450 family, is a very important pharmacological target, particularly for the treatment of breast cancer. The anti-aromatase activity of a set of natural polyphenolic compounds was evaluated in vitro. Strong aromatase inhibitors including flavones, flavanones, resveratrol, and oleuropein, with activities comparable to that of the reference anti-aromatase drug aminoglutethimide, were identified. Through the application of molecular modeling techniques based on grid-independent descriptors and molecular interaction fields, the major physicochemical features associated with inhibitory activity were disclosed, and a putative virtual active site of aromatase was proposed. Docking of the inhibitors into a 3D homology model structure of the enzyme defined a common binding mode for the small molecules under investigation. The good correlation between computational and biological results provides the first rationalization of the anti-aromatase activity of polyphenolic compounds. Moreover, the information generated in this approach should be further exploited for the design of new aromatase inhibitors.
Quando me la prendo con gli AGE's è anche perché questo pattume cellulare aumenta l'espressione del TGF-BETA1, molto nocivo per i follicoli! Il resveratrolo può essere utile anche in questo senso.
http://www.ncbi.nlm.nih.gov/sites/e...ez.Pubmed.Pubmed_ResultsPanel.Pubmed_RVDocSum
Resveratrol inhibits AGEs-induced proliferation and collagen synthesis activity in vascular smooth muscle cells from stroke-prone spontaneously hypertensive rats.Mizutani K, Ikeda K, Yamori Y.
Life Science, Environmental Conservation and Development, Graduate School of Human and Environmental Studies, Kyoto University, Yosida, Nihonmatu-cho, Sakyo-ku, Kyoto, 6068501, Japan.
Advanced glycation end-products (AGEs) of plasma proteins and/or matrix proteins are candidate mediators for various vascular complications such as atherosclerosis. We previously reported a significantly larger accumulation of AGEs of the aorta in stroke-prone spontaneously hypertensive rats (SHRSP) than in age-matched Wistar-Kyoto rats (WKY). In this study, we examined the effects of AGEs on vascular smooth muscle cells (VSMC) from SHRSP and WKY rats. We also studied the in vitro effects of resveratrol (3, 4',5-trihydroxystilbene), a natural phytestrogen, on VSMC proliferation, DNA synthesis, and collagen synthesis activity in SHRSP-VSMC. AGEs accelerated the proliferation of SHRSP- or WKY-VSMC in a time- and dose-dependent manner. VSMC from SHRSP were more sensitive to AGEs than VSMC from normotensive WKY. AGEs also significantly increased DNA synthesis and prolyl hydroxylase activity, a marker for collagen synthesis, in SHRSP-VSMC. AGEs-induced increases in TGF-beta1 mRNA in SHRSP-VSMC were significantly greater than in WKY-VSMC. Resveratrol inhibited AGEs-stimulated proliferation, DNA synthesis, and prolyl hydroxylase activity in SHRSP-VSMC in a dose-dependent manner. ICI 182780, a specific estrogen receptor antagonist, partly blocked the inhibitory effects of resveratrol on AGEs-stimulated proliferation, DNA synthesis, and prolyl hydroxylase activity. Resveratrol significantly inhibited AGEs-induced TGF-beta1 mRNA increases in a dose-dependent manner. Thus, resveratrol may confer protective effects on the cardiovascular system by attenuating vascular remodeling and may be clinically useful as a safer substitute for feminizing estrogens in preventing cardiovascular disease. Copyright 2000 Academic Press.