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Proteomic profiles in hyperandrogenic syndromes

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Abstract

Background: Polycystic ovary syndrome (PCOS) and congenital adrenal hyperplasia (CAH) represent the most common causes of hyperandrogenism. Although the etiopathogeneses of these syndromes are different, they share many clinical and biochemical signs, such as hirsutism, acne, and chronic anovulation. Experimental data have shown that peripheral T-lymphocytes function as molecular sensors, being able to record molecular signals either at staminal and mature cell levels, or hormones at systemic levels. Methods: Twenty PCOS women and 10 CAH with 21-hydroxylase deficiency, aged between 18–35 yr, were studied. T-cells purified from all patients and 20 healthy donors have been analyzed by 2-dimensional gel electrophoresis. Silver-stained proteomic map of each patient was compared with a control map obtained by pooling protein samples of the 20 healthy subjects. Results: Spots of interest were identified by peptide mass fingerprint. Computer analysis evidenced several peptidic spots significantly modulated in all patients examined. Some proteins were modulated in both syndromes, others only in PCOS or in CAH. These proteins are involved in many physiological processes as the functional state of immune system, the regulation of the cytoskeleton structure, the oxidative stress, the coagulation process, and the insulin resistance. Conclusion: Identification of the physiological function of these proteins could help to understand ethiopathogenetic mechanisms of hyperandrogenic syndromes and its complications.

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Authors and Affiliations

  1. Chair of Endocrinology, II Faculty of Medicine, Sapienza University of Rome, Italy

    S. Misiti MD, A. Stigliano MD, S. Michienzi, L. Cerquetti, N. Argese & V. Toscano

  2. Research Center Ospedale San Pietro FBF, Italy

    S. Misiti MD, A. Stigliano MD, S. Michienzi, L. Cerquetti, B. Bucci, N. Argese, E. Brunetti & V. Toscano

  3. DIMA Centro Diagnostica Molecolare Avanzata, II Faculty of Medicine, Sapienza University of Rome, S. Andrea Hospital, Rome, Italy

    M. Borro, G. Gentile & M. Simmaco

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  1. S. Misiti MD
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  2. A. Stigliano MD
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  3. M. Borro
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  4. G. Gentile
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  5. S. Michienzi
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  6. L. Cerquetti
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  11. V. Toscano
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Correspondence to S. Misiti MD or A. Stigliano MD.

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SM and AS gave equal contribution to this work

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Misiti, S., Stigliano, A., Borro, M. et al. Proteomic profiles in hyperandrogenic syndromes. J Endocrinol Invest 33, 156–164 (2010). https://doi.org/10.1007/BF03346575

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