Physiological role and clinical utility of inositols in polycystic ovary syndrome.
Identifieur interne : 000143 ( Main/Exploration ); précédent : 000142; suivant : 000144Physiological role and clinical utility of inositols in polycystic ovary syndrome.
Auteurs : Arturo Bevilacqua [Italie] ; Mariano Bizzarri [Italie]Source :
- Best practice & research. Clinical obstetrics & gynaecology [ 1532-1932 ] ; 2016.
Abstract
During the last decades, a substantial body of research has focused on the role of the two major inositol (Ins) stereoisomers, myoinositol (myoIns) and D-chiroinositol (D-chiroIns), both second messengers of insulin, in insulin-dependent processes, including polycystic ovary syndrome (PCOS). MyoIns has been shown to affect different pathways at both ovarian and non-ovarian level. On the contrary, D-chiroIns alone is unable to exert significant improvements in the ovarian cell functions, as its beneficial effects are mainly limited to the non-ovarian tissue in which it may significantly inhibit the negative cellular consequences of hyperinsulinemia. However, both Ins isomers can be positively associated in the management of PCOS patients in a ratio corresponding to their physiological plasma ratio (40:1). This appears to exert a synergistic effect according to a multi-targeted design. In this respect, new fundamental insights into the biological mechanisms displayed by Ins, as well as clinical trials based on the myoIns + D-chiroIns formulations, have already provided encouraging results.
DOI: 10.1016/j.bpobgyn.2016.03.007
PubMed: 27117028
Affiliations:
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Le document en format XML
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<front><div type="abstract" xml:lang="en">During the last decades, a substantial body of research has focused on the role of the two major inositol (Ins) stereoisomers, myoinositol (myoIns) and D-chiroinositol (D-chiroIns), both second messengers of insulin, in insulin-dependent processes, including polycystic ovary syndrome (PCOS). MyoIns has been shown to affect different pathways at both ovarian and non-ovarian level. On the contrary, D-chiroIns alone is unable to exert significant improvements in the ovarian cell functions, as its beneficial effects are mainly limited to the non-ovarian tissue in which it may significantly inhibit the negative cellular consequences of hyperinsulinemia. However, both Ins isomers can be positively associated in the management of PCOS patients in a ratio corresponding to their physiological plasma ratio (40:1). This appears to exert a synergistic effect according to a multi-targeted design. In this respect, new fundamental insights into the biological mechanisms displayed by Ins, as well as clinical trials based on the myoIns + D-chiroIns formulations, have already provided encouraging results.</div>
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