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Role of microRNAs in Gynecological Pathology

GILABERT-ESTELLES, J ; BRAZA-BOÏLS, A ; RAMON, L. A ; ZORIO, E ; MEDINA, P ; ESPANA, F ; ESTELLES, A

Current medicinal chemistry, 2012-05, Vol.19 (15), p.2406-2413 [Periódico revisado por pares]

Oak Park, IL: Bentham Science Publishers Ltd

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  • Título:
    Role of microRNAs in Gynecological Pathology
  • Autor: GILABERT-ESTELLES, J ; BRAZA-BOÏLS, A ; RAMON, L. A ; ZORIO, E ; MEDINA, P ; ESPANA, F ; ESTELLES, A
  • Assuntos: Animal tumors. Experimental tumors ; Biological and medical sciences ; Biomarkers, Tumor - genetics ; Biomarkers, Tumor - metabolism ; Experimental genital and mammary tumors ; Female ; Gene Expression Profiling ; Gene Expression Regulation, Neoplastic ; Genital Diseases, Female - genetics ; Genital Diseases, Female - metabolism ; Genital Diseases, Female - pathology ; Genital Neoplasms, Female - genetics ; Genital Neoplasms, Female - metabolism ; Genital Neoplasms, Female - pathology ; Gynecology ; Gynecology. Andrology. Obstetrics ; Humans ; Mammary gland diseases ; Medical sciences ; MicroRNAs - genetics ; MicroRNAs - metabolism ; Tumors
  • É parte de: Current medicinal chemistry, 2012-05, Vol.19 (15), p.2406-2413
  • Notas: ObjectType-Article-2
    SourceType-Scholarly Journals-1
    ObjectType-Feature-3
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    ObjectType-Review-1
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  • Descrição: microRNAs (miRNAs) are 21-22 nucleotide non-coding RNAs that regulate gene expression and play fundamental roles in biological processes. These small molecules bind to target mRNAs, leading to translational repression and/or mRNA degradation. Aberrant miRNA expression is associated with several human diseases such as cancer, cardiovascular disorders, inflammatory diseases and gynecological pathology. The present article reviews the role of miRNAs in four gynecological disorders that affect the ovary or the uterus, one benign and frequent disease (endometriosis) that is classified as a tumor-like lesion and three malignant gynecological diseases (endometrial, cervical and ovarian cancers). Endometriosis, defined as the presence of endometrium outside the uterus, is one of the most frequent benign gynecological diseases. Similarly to tumor metastasis, endometriotic implants require neovascularization to proliferate, invade the extracellular matrix and establish an endometriotic lesion. Despite its high prevalence and incapacitating symptoms, the exact pathogenic mechanism of endometriosis remains unsolved. A relationship between endometriosis and gynecological cancer, especially ovarian cancer, has been reported. Endometriosis is a multifactorial and polygenic disease, and emerging data provide evidence that a dysregulation of miRNA expression may be involved. miRNAs appear to be potent regulators of gene expression in endometriosis, raising the prospect of using miRNAs as biomarkers and therapeutic tools in this disease. In cancer, miRNAs have an important role as regulatory molecules, acting as oncogenes (oncomiRs) or tumor suppressors. Endometrial cancer is one of the most frequent gynecological malignancies in the developed countries. Cervical cancer, also one of the most common cancers in women, is associated with high-risk human papillomaviruses although this infection alone may not be enough to induce the malignant transformation. Ovarian cancer is the fifth leading cause of all cancer-related deaths among women. Over 80% of cases are diagnosed at an advanced stage, with a reduced five-year survival rate. Recent studies have shown that miRNAs are aberrantly expressed in different human cancer types, including endometrial, cervical and ovarian cancer, and that specific dysregulated miRNAs may act as biomarkers of patients’ outcome. Recently, miRNAs have been detected in serum and plasma, and circulating miRNA expression profiles have now been associated with a range of different tumor types. Their accessibility in peripheral blood and stability given the fact that miRNAs circulate confined within exosomes, make researchers foster hope in their role as emerging biomarkers of cancer and other disorders. The development of therapies that might block the expression or mimic the functions of miRNAs could represent new therapeutic strategies for any of the aforementioned gynecological disorders.
  • Editor: Oak Park, IL: Bentham Science Publishers Ltd
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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