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Androgen Excess in Women: Proteomic and Metabolomic Approaches
María Insenser1, Héctor F Escobar-Morreale2
1Diabetes Obesity and Human Reproduction Research Group, Department of Endocrinology and Nutrition, Hospital Universitario Ramón y Cajal and Universidad de Alcalá, Centro de Investigación Biomédica en Red Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM), Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), Madrid, Spain.
Abstract:
Most research efforts addressing the pathophysiology of polycystic ovary syndrome (PCOS) applied targeted approaches focusing on specific genes and/or proteins that were selected on the basis of previous knowledge about their putative roles in metabolic and signalling pathways. On the contrary, the use of nontargeted approaches is not constricted by previous knowledge on the issue and offers the potential advantage of revealing novel associations with unexpected molecules that might lead to new mechanistic explanations for the etiology and the pathophysiology of PCOS. To date, several "omics" approaches have been applied to create a holistic picture complementing the information generated by genetic studies. Proteomics and metabolomics have the potential advantage over genomics of integrating genetic and epigenetic influences, thereby facilitating interpretation of the molecular mechanisms and pathways involved in the pathogenesis of PCOS. This chapter summarizes recent advances provided by proteomic and metabolomic studies addressing PCOS and aims to offer a critical yet balanced review of the studies published to date.
Insights
Nontargeted "omics" approaches, like proteomics and metabolomics, offer new insights into polycystic ovary syndrome (PCOS) pathophysiology. These methods reveal novel molecular associations, advancing our understanding beyond targeted gene studies.
Area of Science:
- Reproductive Endocrinology
- Metabolomics
- Proteomics
Background:
- Traditional PCOS research uses targeted approaches focusing on known genes/proteins.
- Nontargeted "omics" methods provide a holistic view, identifying novel molecular players.
- Genomics alone does not capture epigenetic and environmental influences on PCOS.
Purpose of the Study:
- To review recent advances in proteomic and metabolomic studies of PCOS.
- To critically evaluate the contribution of "omics" to understanding PCOS etiology and pathophysiology.
- To highlight the potential of "omics" in discovering new mechanistic explanations for PCOS.
Main Methods:
- Review of published proteomic and metabolomic studies on PCOS.
- Analysis of "omics" data for novel associations with PCOS pathophysiology.
- Integration of "omics" findings with genetic and epigenetic data.
Main Results:
- Proteomics and metabolomics reveal unexpected molecular associations in PCOS.
- "Omics" approaches complement genetic studies by integrating multiple influences.
- These methods facilitate the interpretation of complex molecular mechanisms in PCOS pathogenesis.
Conclusions:
- Nontargeted "omics" are crucial for uncovering novel insights into PCOS.
- Proteomics and metabolomics offer a more comprehensive understanding of PCOS than targeted methods.
- "Omics" research holds promise for identifying new therapeutic targets for PCOS.
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