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1.
Hormones (Athens) ; 18(4): 409-415, 2019 Dec.
Artículo en Inglés | MEDLINE | ID: mdl-31637660

RESUMEN

PURPOSE: Previous studies have suggested that deletion of Foxo3a, FoxL2, PTEN, p27, and AMH leads to early exhaustion of the primordial follicle pool and premature ovarian insufficiency (POI) in transgenic mice. Our aim was to assess for the first time, to our knowledge, messenger RNA (mRNA) expression of these genes and AMHR2 in human ovarian tissue from women with POI. We hypothesized that these genes would be underexpressed in POI women compared with healthy controls. METHODS: mRNA levels were evaluated by quantitative reverse transcription-polymerase chain reaction and real-time polymerase chain reaction in cortical ovarian tissue obtained by laparoscopy from Caucasian Greek women with POI (n = 5) and healthy women with normal menstruation (n = 6). Morphological analysis of the ovarian biopsies was also performed to assess the presence of primordial or other types of growing follicles. RESULTS: Ovarian tissue from POI patients showed lower Foxo3a, FoxL2, and p27 mRNA expression compared with controls (p = 0.017, p = 0.017, and p = 0.030, respectively). mRNA expression of AMH, PTEN, and AMHR2 was reduced in ovarian biopsies from POI patients as well. However, these differences were not statistically significant (p = 0.143, p = 0.247, and p = 0.662, respectively). Morphological analysis showed complete lack of follicular structures in all POI biopsies. CONCLUSIONS: Our findings suggest a possible role of Foxo3a, FoxL2, and p27 in the pathogenesis of human POI, which may prove to be of great diagnostic-therapeutic value. Further larger studies are needed to identify a similar pattern for AMH, PTEN, and AMHR2 and to investigate gene expression at a protein level.


Asunto(s)
Inhibidor p27 de las Quinasas Dependientes de la Ciclina/metabolismo , Proteína Forkhead Box L2/metabolismo , Proteína Forkhead Box O3/metabolismo , Insuficiencia Ovárica Primaria/metabolismo , ARN Mensajero/metabolismo , Adulto , Inhibidor p27 de las Quinasas Dependientes de la Ciclina/genética , Femenino , Proteína Forkhead Box L2/genética , Proteína Forkhead Box O3/genética , Regulación de la Expresión Génica , Humanos , ARN Mensajero/genética , Adulto Joven
2.
Cancer Prev Res (Phila) ; 12(10): 701-710, 2019 10.
Artículo en Inglés | MEDLINE | ID: mdl-31427275

RESUMEN

Self-sampling for human papillomavirus (HPV) testing is an alternative to physician sampling particularly for cervical cancer screening nonattenders. The GRECOSELF study is a nationwide observational cross-sectional study aiming to suggest a way to implement HPV-DNA testing in conjunction with self-sampling for cervical cancer screening in Greece, utilizing a midwifery network. Women residing in remote areas of Greece were approached by midwives, of a nationwide network, and were provided with a self-collection kit (dry swab) for cervicovaginal sampling and asked to answer a questionnaire about their cervical cancer screening history. Each sample was tested for high-risk (hr) HPV with the Cobas HPV test. HrHPV-Positive women were referred to undergo colposcopy and, if needed, treatment according to colposcopy/biopsy results. Between May 2016 and November 2018, 13,111 women were recruited. Of these, 12,787 women gave valid answers in the study questionnaire and had valid HPV-DNA results; hrHPV prevalence was 8.3%; high-grade cervical/vaginal disease or cancer prevalence was 0.6%. HrHPV positivity rate decreased with age from 20.7% for women aged 25-29 years to 5.1% for women aged 50-60 years. Positive predictive value for hrHPV testing and for HPV16/18 genotyping ranged from 5.0% to 11.6% and from 11.8% to 27.0%, respectively, in different age groups. Compliance to colposcopy referral rate ranged from 68.6% (for women 25-29) to 76.3% (for women 40-49). For women residing in remote areas of Greece, the detection of hrHPV DNA with the Cobas HPV test, on self-collected cervicovaginal samples using dry cotton swabs, which are provided by visiting midwives, is a promising method for cervical cancer secondary prevention.


Asunto(s)
Pruebas de ADN del Papillomavirus Humano , Tamizaje Masivo/organización & administración , Partería/organización & administración , Infecciones por Papillomavirus/diagnóstico , Manejo de Especímenes/métodos , Displasia del Cuello del Útero/diagnóstico , Neoplasias del Cuello Uterino/diagnóstico , Adolescente , Adulto , Anciano , Colposcopía/estadística & datos numéricos , Redes Comunitarias/organización & administración , Redes Comunitarias/normas , Estudios Transversales , ADN Viral/análisis , ADN Viral/genética , Autoevaluación Diagnóstica , Detección Precoz del Cáncer/métodos , Detección Precoz del Cáncer/normas , Detección Precoz del Cáncer/estadística & datos numéricos , Femenino , Grecia/epidemiología , Pruebas de ADN del Papillomavirus Humano/métodos , Pruebas de ADN del Papillomavirus Humano/normas , Pruebas de ADN del Papillomavirus Humano/estadística & datos numéricos , Humanos , Ciencia de la Implementación , Tamizaje Masivo/métodos , Tamizaje Masivo/normas , Persona de Mediana Edad , Partería/métodos , Enfermeras Obstetrices/organización & administración , Enfermeras Obstetrices/normas , Enfermeras Obstetrices/estadística & datos numéricos , Rol de la Enfermera , Papillomaviridae/genética , Papillomaviridae/aislamiento & purificación , Infecciones por Papillomavirus/complicaciones , Infecciones por Papillomavirus/epidemiología , Infecciones por Papillomavirus/patología , Población Rural/estadística & datos numéricos , Manejo de Especímenes/normas , Manejo de Especímenes/estadística & datos numéricos , Neoplasias del Cuello Uterino/epidemiología , Neoplasias del Cuello Uterino/etiología , Frotis Vaginal/métodos , Frotis Vaginal/estadística & datos numéricos , Adulto Joven , Displasia del Cuello del Útero/epidemiología , Displasia del Cuello del Útero/etiología
3.
Hormones (Athens) ; 18(4): 537-538, 2019 12.
Artículo en Inglés | MEDLINE | ID: mdl-31912384

RESUMEN

The original version of this article, published 21 October 2019, unfortunately contained a mistake. The presentation of Fig. 1 was incorrect. The corrected figure is given below.

4.
Obstet Gynecol Surv ; 70(3): 183-95, 2015 Mar.
Artículo en Inglés | MEDLINE | ID: mdl-25769433

RESUMEN

IMPORTANCE: Ovarian endometrioma is the most common form of endometriosis. Laparoscopy is frequently chosen for its treatment because medical treatment alone is inadequate. However, the role of laparoscopic treatment of ovarian endometriomas has been challenged by evidence questioning the benefits of surgery, especially in cases of young or infertile women. Other therapeutic modalities include expectant management, medical therapy, and, in cases of infertility, ovulation induction and assisted reproductive technology. None of these treatments offer cure of endometriosis. OBJECTIVE: The objective of this study was to present data concerning the current management of endometrioma. Benefits and complications after treatment and the impact on in vitro fertilization outcome are also highlighted. EVIDENCE ACQUISITION: An extensive literature search (PubMed) and Cochrane Library review up to December 2013 were performed using the following keywords: "endometrioma," "cystectomy," "infertility," "IVF," "malignant transformation," "management," and "recurrence." RESULTS: There is a lack of data from randomized trials to inform the optimal management of endometriomas with respect to pain relief, recurrence, and fertility. CONCLUSIONS AND RELEVANCE: Further studies are needed to determine the optimal management of endometrioma. Currently, there is no evidence that surgical management improves the fertility of women with endometrioma.


Asunto(s)
Endometriosis/terapia , Enfermedades del Ovario/terapia , Endometriosis/complicaciones , Femenino , Fertilización In Vitro , Humanos , Infertilidad Femenina/terapia , Recurrencia Local de Neoplasia , Enfermedades del Ovario/complicaciones , Resultado del Tratamiento
5.
Arch Gynecol Obstet ; 281(6): 1045-9, 2010 Jun.
Artículo en Inglés | MEDLINE | ID: mdl-20012307

RESUMEN

PURPOSE: The aim of the present study was to determine the prevalence and association of the G972S polymorphism of the insulin receptor substrate-1 gene (IRS-1 G972S SNP) with polycystic ovary syndrome (PCOS) and insulin resistance-related traits in a distinct phenotypic group of lean PCOS women with biochemical hyperandrogenemia, excluding obesity, which is considered to be an aggravating parameter of insulin resistance. METHODS: The study included 162 women with PCOS and 122 regularly menstruating, ovulatory women as controls. Physical measurements included weight, height, fat-free mass, fat mass, systolic and diastolic blood pressure and resting heart rate. Biochemical parameters included the serum testosterone, free testosterone, androstenedione, total cholesterol, triglycerides, HDL and LDL cholesterol and glucose levels. Insulin resistance was assessed by determining fasting insulin levels, fasting glucose levels, the fasting glucose/insulin ratio, as well as the HOMA and QUICKI indexes. All DNA samples were genotyped by a PCR-restriction fragment length polymorphism (RLFP) assay. RESULTS: No association of the genotype frequencies of the G972S polymorphism in insulin receptor substrate-1 gene (IRS-1 G972S SNP) with PCOS phenotype and insulin resistance was detected. CONCLUSION: The G972S polymorphism of the IRS-1 gene should not be viewed as major contributor to the development of PCOS or as a causative variant for insulin resistance.


Asunto(s)
Proteínas Sustrato del Receptor de Insulina/genética , Resistencia a la Insulina/genética , Síndrome del Ovario Poliquístico/genética , Adolescente , Adulto , Femenino , Genotipo , Grecia , Humanos , Hiperandrogenismo/sangre , Fenotipo , Síndrome del Ovario Poliquístico/sangre , Polimorfismo Genético , Delgadez , Adulto Joven
6.
Eur J Obstet Gynecol Reprod Biol ; 144(1): 8-14, 2009 May.
Artículo en Inglés | MEDLINE | ID: mdl-19251351

RESUMEN

Hemangiomas of the umbilical cord are extremely rare benign vascular tumors, not always detected prenatally. They have been associated with increased alpha-fetoprotein (AFP), hydramnios, congenital anomalies, and increased perinatal mortality. Impaired umbilical circulation has been proposed as the predisposing factor for fetal compromise. We report a case of an antenatally detected umbilical cord hemangioma with one artery crossing the tumor, and we reviewed the literature. Close surveillance with Doppler flow studies of the umbilical vessels were carried out throughout the pregnancy. All indices were normal, except from the intra-tumoral part of the umbilical artery under discussion that showed increasing resistance from 32 weeks onwards. Our review confirmed the reported association with increased AFP and hydramnios. The placental end of the cord was the preferred site of location, and the umbilical artery the commonest vessel of origin. Association with cutaneous vascular malformations, and single umbilical artery were assessed.


Asunto(s)
Hemangioma/diagnóstico por imagen , Cordón Umbilical , Neoplasias Vasculares/diagnóstico por imagen , Adulto , Anomalías Congénitas/etiología , Femenino , Hemangioma/complicaciones , Humanos , Polihidramnios/etiología , Embarazo , Ultrasonografía Doppler , Arterias Umbilicales/diagnóstico por imagen , Neoplasias Vasculares/complicaciones , alfa-Fetoproteínas/metabolismo
7.
Early Hum Dev ; 83(3): 191-7, 2007 Mar.
Artículo en Inglés | MEDLINE | ID: mdl-16860496

RESUMEN

OBJECTIVES: To verify the effect of vibroacoustic stimulation on biophysical profile score, with a prospective randomised study. STUDY DESIGN: All women with singleton pregnancy, gestational age >or=30 weeks, intact membranes and biophysical profile score

Asunto(s)
Estimulación Acústica , Enfermedades Fetales/prevención & control , Monitoreo Fetal/métodos , Feto/fisiología , Hipoxia/prevención & control , Resultado del Embarazo , Vibración , Femenino , Humanos , Embarazo , Estudios Prospectivos
8.
J Biomed Mater Res B Appl Biomater ; 72(2): 368-72, 2005 Feb 15.
Artículo en Inglés | MEDLINE | ID: mdl-15578649

RESUMEN

Our objective was to evaluate the effectiveness of a late or emergency (salvage) cerclage after tissue reinforcement with Pelvicol natural implant, in preventing premature rupture of the fetal membranes and advancing pregnancy prolongation. A flat sheet of Pelvicol, a sterile acellular natural (porcine) implant was used in an emergency cerclage to reinforce the thin tissues of a widely dilated cervix in a 24 weeks' twin gestation with prolapsed unruptured membranes, without contractions, placental abruption, or intrauterine infection. The gestation was extended to 38 weeks without any complications. Two live healthy newborns were delivered by elective cesarean section due to a nonvertex/vertex presentation. The implant was found to be attached almost unaltered firmly on the outer surface of the membrane sac just opposite to the internal os. It seems that Pelvicol is safe and apparently protects by clothing the thinned, soft, and weak wall of a significantly dilated uterine cervix and the bulging or protruding gestational membranes. It also reinforces and strengthens the tissue thickness and resistance, rendering more accurate and safe the otherwise delicate and risky late cerclage. The technique gives hopes that it can help in pregnancy prolongation.


Asunto(s)
Bioprótesis , Cerclaje Cervical/métodos , Trasplante de Piel/métodos , Adulto , Colágeno , Elastina , Femenino , Humanos , Embarazo , Complicaciones del Embarazo/prevención & control , Complicaciones del Embarazo/cirugía , Resultado del Embarazo , Implantación de Prótesis , Terapia Recuperativa/métodos
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