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1.
Int J Mol Sci ; 18(2)2017 Feb 02.
Artículo en Inglés | MEDLINE | ID: mdl-28157160

RESUMEN

Human MLH3 (hMLH3) gene has been suggested to play a role in the DNA mismatch repair mechanism, while it may also be associated with abnormal spermatogenesis and subsequently male infertility. The aim of the present study was to investigate possible relationships between the single nucleotide polymorphism (SNP) rs175080 in the MLH3 gene of males and the embryological results in couples undergoing intracytoplasmatic sperm injection-embryo transfer (ICSI-ET) treatments. A total of 132 men volunteered for the study and gave written informed consent. All couples were subjected to ICSI-ET treatments in the years 2010 to 2012. The couples were divided into three groups according to the genotype of their husbands: the wild type GG (n = 28), the heterozygotic type GA (n = 72) and the mutant type AA (n = 32). Significantly lower sperm concentration and progressive motility were observed in the AA group as compared to the other two groups (Concentration: 14.57 ± 4.9 mil/mL in AA, 38.3 ± 5.4 mil/mL in GA and 41.03 ± 6.8 mil/mL in GG, p < 0.05, mean ± standard error of the mean-SEM). However, significantly better embryological results (mean score of embryo quality-MSEQ) were found in the AA (8.12 ± 0.5) and the GA group (7.36 ± 0.4) as compared to the GG group (5.82 ± 0.7), (p < 0.05). Clinical pregnancy rate was significantly higher in the AA genotype group (43.8%) and the GA group (30.6%) than in the GG group (14.3%), (p < 0.05). Live birth rate was not different. It is suggested for the first time that the deteriorating effect of the mutant type on sperm characteristics does not impact on embryo development after fertilization in vitro.


Asunto(s)
Transferencia de Embrión , Proteínas MutL/genética , Polimorfismo de Nucleótido Simple , Inyecciones de Esperma Intracitoplasmáticas , Adulto , Alelos , Femenino , Fertilización In Vitro , Genotipo , Humanos , Masculino , Embarazo , Índice de Embarazo , Análisis de Semen
3.
Arch Gynecol Obstet ; 293(2): 317-28, 2016 Feb.
Artículo en Inglés | MEDLINE | ID: mdl-26112355

RESUMEN

BACKGROUND: The amount of stress experienced by both the mother and fetus during labor and delivery varies considerably and is likely to be different in primiparous and multiparous women as well as in those who receive analgesia during labor and those who do not receive. OBJECTIVE: In this study, we explored relations between stress during birth experience and lactogenesis of 100 women, who experienced vaginal delivery in Department of Obstetrics and Gynecology of University Hospital of Alexandroupolis. METHOD: Stress hormones (cortisol and glucose) were measured in serum (cord and maternal blood) immediately after delivery. Moreover, breast-feeding frequency on day 4, the time when the subjects first felt fullness in the breasts, milk volume on day 4 postpartum and duration of labor were recorded. Also, we recorded maternal exhaustion score during labor and positive and negative affects, posttraumatic stress score and mother-infant bonding rate, with the use of questionnaires. RESULTS: There were significant intercorrelations among the outcome variables. Mothers who experienced pain, exhaustion and negative feelings in a stressful and long labor had delayed onset of lactation. CONCLUSIONS: These results indicate that primiparity, long labor, stress to the mother and fetus during labor and delivery, negative affects and high score of posttraumatic stress are risk factors for delayed lactogenesis.


Asunto(s)
Lactancia Materna , Hidrocortisona/sangre , Trastornos de la Lactancia/etiología , Lactancia/fisiología , Madres/psicología , Estrés Psicológico/complicaciones , Adulto , Glucemia/análisis , Parto Obstétrico , Femenino , Edad Gestacional , Grecia , Humanos , Lactante , Recién Nacido , Trabajo de Parto/fisiología , Trabajo de Parto/psicología , Lactancia/psicología , Masculino , Paridad , Periodo Posparto , Embarazo , Factores de Riesgo , Encuestas y Cuestionarios , Factores de Tiempo
4.
J Assist Reprod Genet ; 32(12): 1795-9, 2015 Dec.
Artículo en Inglés | MEDLINE | ID: mdl-26520453

RESUMEN

PURPOSE: MLH3, a MutL homolog protein in mammals playing a role in DNA mismatch repair, is associated with spermatogenesis and male infertility. The purpose of the present study was to investigate the association of the single-nucleotide polymorphism (SNP), rs 175080 in the MLH3 gene, with sperm parameters in a Greek population. METHODS: The study included 300 men of couples undergoing in vitro fertilization/intracytoplasmic sperm injection-embryo transfer (IVF/ICSI-ET) treatments (years 2011-2013). Genomic DNA was extracted from 300 peripheral blood samples, and conventional quantitative real-time PCR was performed for genotyping. Of them, 122 were from men used as "controls" and 178 from men used as "cases." Allocation to the two groups was based on sperm concentrations (≥15 and <15 million/ml, respectively). Serum FSH, LH, estradiol, testosterone, and prolactin concentrations as well as sperm parameters were compared between three genotypes (GG, GA, and AA). Furthermore, the frequencies of these three genotypes were compared between "cases" and "controls." RESULTS: Anthropometric parameters and hormonal values did not differ significantly between the three genotypes. Significantly lower sperm concentrations were found in men with the AA genotype as compared to men with the GG and GA genotypes (p < 0.001). The AA genotype had the lower progressive motility values as compared to the other two genotypes (p < 0.05). Also, there was a significantly different distribution of the frequencies of the three genotypes between "cases" and "controls" (p < 0.001). CONCLUSIONS: It is suggested that the studied SNP in the MLH3 gene may be linked to oligozoospermia in Caucasian men of a certain area.


Asunto(s)
Proteínas Portadoras/genética , Infertilidad Masculina/genética , Polimorfismo de Nucleótido Simple , Adulto , Estudios de Asociación Genética , Genotipo , Humanos , Masculino , Proteínas MutL , Oligospermia/genética , Análisis de Semen
5.
Clin Endocrinol (Oxf) ; 83(3): 377-83, 2015 Sep.
Artículo en Inglés | MEDLINE | ID: mdl-25649331

RESUMEN

OBJECTIVE: It has been reported that the positive feedback mechanism of oestrogens and progesterone is preserved, although attenuated, in late postmenopausal years. Whether this is also true for the positive feedback effect of oestrogens alone has not been investigated. DESIGN: Prospective intervention study. PATIENTS: Thirty healthy postmenopausal women. MEASUREMENTS: The women were divided into three groups according to the years since menopause (group I: 2-8 years, group II: 9-17 years, group III: 18-25 years). They were studied during a period of 41 days. Two acute experiments (EP) of exogenous oestradiol, given via skin patches, were performed from days 1 to 7 (EP1) and from days 35 to 41 (EP2) to induce an LH surge. Between the two experiments (days 7-34), oestradiol was given at the dose of 100 µg every 3 days, while oral progesterone was added from day 21 to day 34 in order to simulate a luteal phase. Blood samples were taken every 6 h during EP1 and EP2 as well as on days 8, 13, 20, 21, 27 and 34. FSH, LH, oestradiol and progesterone were measured in all blood samples. RESULTS: An LH surge occurred as a result of the oestradiol positive feedback mechanism in group I and in group II, in both EP1 and EP2. Peak LH values during the surge were significantly lower in group II than in group I in both experiments. None of the patients in group III displayed an LH surge. CONCLUSIONS: These results demonstrate for the first time a gradual attenuation of the pituitary response to oestrogenic provocation over a certain period following the menopause, with complete abolition after 20 years. It is suggested that the reserves of pituitary gonadotrophs diminish with age.


Asunto(s)
Estrógenos/farmacología , Retroalimentación Fisiológica/efectos de los fármacos , Fase Luteínica/efectos de los fármacos , Posmenopausia/efectos de los fármacos , Anciano , Esquema de Medicación , Estradiol/administración & dosificación , Estradiol/sangre , Estradiol/farmacología , Estrógenos/administración & dosificación , Estrógenos/sangre , Retroalimentación Fisiológica/fisiología , Femenino , Hormona Folículo Estimulante/sangre , Humanos , Fase Luteínica/sangre , Fase Luteínica/fisiología , Hormona Luteinizante/sangre , Persona de Mediana Edad , Posmenopausia/sangre , Posmenopausia/fisiología , Progesterona/administración & dosificación , Progesterona/sangre , Progesterona/farmacología , Progestinas/administración & dosificación , Progestinas/sangre , Progestinas/farmacología , Estudios Prospectivos , Factores de Tiempo
6.
Clin Endocrinol (Oxf) ; 80(3): 439-43, 2014 Mar.
Artículo en Inglés | MEDLINE | ID: mdl-23909480

RESUMEN

OBJECTIVE: Oestradiol sensitizes the pituitary to GnRH, while gonadotrophin surge attenuating factor (GnSAF) may oppose this action. Using the LH response to GnRH during treatment with FSH as an in vivo bioassay for GnSAF, we tested the hypothesis that the augmented LH response to GnRH in the late follicular phase is related to reduced production of GnSAF from the ovulatory follicle. DESIGN: Prospective intervention study. PATIENTS: Ten healthy, normally cycling women. MEASUREMENTS: The LH response to 10 µg GnRH i.v. (ΔLH) was investigated on days 2 and 3 and on days v (follicle size 16-17 mm) and v + 1 of cycle 1 (control) and cycle 2. On days 2 and v, a single s.c. injection of either normal saline (cycle 1) or 450 IU recombinant FSH (cycle 2) was given after the end of the GnRH experiment. RESULTS: FSH injection increased both serum oestradiol and inhibin B. In cycle 1, ΔLH remained unchanged from days 2 to 3 but increased significantly from days v to v + 1. In contrast, in cycle 2, ΔLH decreased significantly from days 2 to 3 (P < 0·05) and showed a nonsignificant increase from day v to day v + 1. The percentage difference in ΔLH between cycle 1 and cycle 2 was similar on days 3 (-66·9 ± 17·5%) and v + 1 (-65·2 ± 3·6%). CONCLUSIONS: These results suggest that during the follicular phase of the menstrual cycle, GnSAF is produced by small antral follicles, while the contribution of the ovulatory follicle is minimal.


Asunto(s)
Fase Folicular/efectos de los fármacos , Hormona Liberadora de Gonadotropina/farmacología , Hormona Luteinizante/metabolismo , Ovario/efectos de los fármacos , Ovario/metabolismo , Adulto , Tamaño de la Célula/efectos de los fármacos , Estradiol/sangre , Femenino , Hormona Folículo Estimulante/sangre , Fase Folicular/sangre , Humanos , Inhibinas/sangre , Folículo Ovárico/citología , Folículo Ovárico/efectos de los fármacos , Progesterona/sangre , Adulto Joven
7.
J Matern Fetal Neonatal Med ; 25(3): 222-5, 2012 Mar.
Artículo en Inglés | MEDLINE | ID: mdl-21615230

RESUMEN

OBJECTIVE: Fetal ovarian cysts are intra-abdominal structures frequently diagnosed prenatally, tending to present as isolated unilateral lesions in normal fetuses in the third trimester. These cysts may present with complications and their diameter and echogenicity are the main criteria for establishing their prognosis. Spontaneous regression of fetal ovarian cysts is very usual. In the present study, we present our clinical experience on fetal ovarian cyst surveillance and treatment, as well as a review of the literature in the same field. MATERIAL AND METHOD: In this study, we reviewed pre- and postnatal medical records and ultrasonography of 16 fetuses that were diagnosed with ovarian cysts, in Obstetrics Department of University Hospital of Alexandroupolis, between January 2000 and April 2010. We have also reviewed the available literature about fetal ovarian cysts. RESULTS: In a total of 16 cases, postnatal surgery was performed in one infant due to ovarian cyst torsion. In the remaining 15 cases, cysts regressed completely in two fetuses during pregnancy and all the rest of the cysts, including four complex ones, resolved spontaneously after birth. CONCLUSIONS: When fetal ovarian cysts are detected, they should be followed up by serial ultrasonographic examinations. The majority of them will regress spontaneously in a period of 12 months after birth, independent of their sonographic findings. Only symptomatic cysts or cysts with a diameter >5 cm, which do not regress or enlarge, should be treated.


Asunto(s)
Feto/anomalías , Quistes Ováricos/diagnóstico por imagen , Femenino , Humanos , Quistes Ováricos/cirugía , Embarazo , Pronóstico , Estudios Retrospectivos , Ultrasonografía Prenatal
8.
Ann Acad Med Singap ; 40(2): 80-3, 2011 Feb.
Artículo en Inglés | MEDLINE | ID: mdl-21468461

RESUMEN

INTRODUCTION: Peritoneal washing cytology and imprint cytology of pelvic lymph nodes samples were used to evaluate the rapid cytologic detection of peritoneal and retroperitoneal spread of endometrial cancer. MATERIALS AND METHODS: We undertook a study on 194 endometrial cancer patients who underwent primary treatment in the Gynecologic Clinic, Democritus University of Thrace. All patients were subjected to peritoneal washing (PW) cytology and imprint cytology performed on lymph node sampling. The cytologic specimens were stained by May-Grünwald Giemsa (MGG) and Haematoxylin eosin (HE) techniques. Cell-blocks prepared from peritoneal washings (PWs) and the lymph node samples were sent for histologic examination. The cytologic fi ndings were correlated to histologic results. RESULTS: Rapid intraoperative cytology provides a useful diagnostic technique for the assessment of endometrial cancer spread. HE and MGG stain presented different values of sensitivity and specifi city in the detection of peritoneal and retroperitoneal spread of endometrial cancer. CONCLUSION: Cytologic assessment of intraperitoneal and retroperitoneal spread of endometrial cancer is a rapid, intraoperative procedure, which provides the surgeon with useful information regarding the stage of the disease and the subsequent therapeutic approach.


Asunto(s)
Neoplasias Endometriales/patología , Neoplasias Peritoneales/secundario , Peritoneo/citología , Citodiagnóstico , Neoplasias Endometriales/diagnóstico , Eosina Amarillenta-(YS) , Femenino , Grecia , Humanos , Periodo Intraoperatorio , Ganglios Linfáticos/citología , Ganglios Linfáticos/patología , Azul de Metileno , Neoplasias Peritoneales/diagnóstico , Neoplasias Peritoneales/patología , Peritoneo/patología , Factores de Tiempo
9.
Arch Gynecol Obstet ; 283(2): 261-6, 2011 Feb.
Artículo en Inglés | MEDLINE | ID: mdl-20683604

RESUMEN

BACKGROUND: Endometrial carcinoma is the most distressing cause of abnormal vaginal bleeding. The intention of clinical management in the case of postmenopausal bleeding is to achieve an accurate diagnosis without overinvestigation. METHOD: We studied the available literature on the diagnostic evaluation of postmenopausal women with vaginal bleeding, accentuating the most important aspects on this topic: the accuracy of sonography and endometrial biopsy in predicting endometrial hyperplasia and endometrial carcinoma. RESULTS: The accuracy of the above tests in predicting endometrial hyperplasia and endometrial carcinoma is a subject of continuing debate. Μοreover, in the last decades, there has been an explosion of publications indicating that ultrasound may be useful in predicting endometrial pathology. CONCLUSION: Since advanced endometrial carcinoma has been known to occur in cases without noticeable endometrial thickness on ultrasound, the clinician should beware of the diagnostic evaluation of postmenopausal women with vaginal bleeding.


Asunto(s)
Biopsia con Aguja , Hiperplasia Endometrial/diagnóstico , Neoplasias Endometriales/diagnóstico , Endometrio/patología , Posmenopausia , Hemorragia Uterina/etiología , Hiperplasia Endometrial/complicaciones , Hiperplasia Endometrial/diagnóstico por imagen , Neoplasias Endometriales/complicaciones , Neoplasias Endometriales/diagnóstico por imagen , Femenino , Humanos , Valor Predictivo de las Pruebas , Sensibilidad y Especificidad , Ultrasonografía
10.
J Matern Fetal Neonatal Med ; 24(1): 32-6, 2011 Jan.
Artículo en Inglés | MEDLINE | ID: mdl-20569162

RESUMEN

Arthrogryposis Multiplex Congenital (AMC) is a group of muscular, neurologic and connective tissue disorders, characterized by multiple severe joint contractures and decreased mobility. The incidence of this condition is 1/3000 births while the etiology is variable. Prenatal assessment of arthrogryposis has focused primarily on diminished fetal movement and the presence of joint contractures or skeletal deformities. These findings may not become evident until after 16-18 weeks' gestational age, subsequently, early prenatal diagnosis is difficult. Nowadays, modern ultrasound techniques and special sonographic markers help the clinicians with the prenatal detection of arthrogryposis in every gestational trimester.


Asunto(s)
Artrogriposis/diagnóstico por imagen , Femenino , Humanos , Embarazo , Ultrasonografía Prenatal
11.
J Matern Fetal Neonatal Med ; 24(5): 668-72, 2011 May.
Artículo en Inglés | MEDLINE | ID: mdl-20923275

RESUMEN

Turner's syndrome is characterized by an ovarian failure which occurs in most cases before puberty and leads to infertility. In less than 10% of women with Turner syndrome, puberty may occur and spontaneous pregnancies is possible but with a high risk of fetal loss, chromosomal and congenital abnormalities. We present the case of a 33-year-old woman with a mosaic Turner's syndrome karyotype 45,X/47,XXX who conceived spontaneously and had two successful pregnancies. Short stature was the only manifestation of Turner's syndrome. In the present report, we reviewed the available literature on the fertility of women with Turner's syndrome and the phenotypic effects of mosaicism for a 47,XXX cell line in Turner's syndrome.


Asunto(s)
Fertilidad , Mosaicismo , Embarazo , Síndrome de Turner/fisiopatología , Adulto , Cromosomas Humanos X , Femenino , Retardo del Crecimiento Fetal , Humanos , Pronóstico , Trisomía , Síndrome de Turner/diagnóstico
12.
Minim Invasive Ther Allied Technol ; 20(3): 155-9, 2011 May.
Artículo en Inglés | MEDLINE | ID: mdl-21082900

RESUMEN

We performed an evaluation of ultrasound-guided transvaginal aspiration of ovarian cysts as a viable alternative to surgery in 104 reproductive and 17 postmenopausal women. One-hundred and twenty-one patients with a simple >4 cm diameter ovarian cyst, with a benign appearance on ultrasound as well as on clinical and blood examination, underwent transvaginal fine needle aspiration of the cyst under ultrasonographic control. One-hundred and four patients were of reproductive age and 12 were postmenopausal. Sixty women who were of reproductive age and in which OCP treatment was not contraindicated followed a six-month therapy with oral contraceptives after the intervention. In the group of patients of reproductive age under OCP treatment the cyst persisted in nine of the 60 women (recurrence rate 15%). In the other group of patients of reproductive age,under no OCP treatment, the recurrence rate was 47% (21 of the 44 women). In the group of postmenopausal patients, the cyst persisted in ten out of 17 cases (recurrence rate 58,9%). Transvaginal aspiration of ovarian cysts is a reliable alternative to surgery with many advantages such as excellent tolerance, low risk and cost of complications and recurrence. The OCP treatment after aspiration seems to increase the success rate of expectant management.


Asunto(s)
Biopsia con Aguja/métodos , Anticonceptivos Orales/uso terapéutico , Quistes Ováricos/terapia , Adolescente , Adulto , Factores de Edad , Anciano , Biopsia con Aguja/efectos adversos , Terapia Combinada , Femenino , Estudios de Seguimiento , Humanos , Persona de Mediana Edad , Quistes Ováricos/diagnóstico por imagen , Quistes Ováricos/patología , Recurrencia , Estudios Retrospectivos , Resultado del Tratamiento , Ultrasonografía Intervencional/métodos , Vagina , Adulto Joven
13.
Minim Invasive Ther Allied Technol ; 20(3): 185-8, 2011 May.
Artículo en Inglés | MEDLINE | ID: mdl-21082903

RESUMEN

The aim of the present study was to compare the efficacy of CO(2) laser with that of ultrasonic scalpel in cervical conization in terms of intraoperative and postoperative outcome. One-hundred and two patients were submitted to cervical conization by ultrasonically activated scalpel, while 97 patients were submitted to cervical conization by use of CO(2) laser. Comparison of mean estimated blood loss, mean operative time and mean cone volume between the two groups was performed with Student t test. Postoperative complications were compared by x(2) test. There was no statistical significance regarding the mean operating time, mean blood loss, mean cone volume and postoperative complications in the two methods. However, thermal artifacts at the cone margins were minimal in the harmonic group (2/102 cones, 1.96%), while in the laser group they were considerably more (18/97 cones, 18.5%) (p < 0.05). Conization using the harmonic scalpel is as safe and effective as the CO(2) laser procedure. It is cheaper, produces less smoke, better visual field and less thermal artifacts in the cone margins. It is a reliable method that overcomes most problems associated with the CO(2) laser, as well as the other conventional conization procedures.


Asunto(s)
Cuello del Útero/cirugía , Conización/métodos , Láseres de Gas/uso terapéutico , Terapia por Ultrasonido/métodos , Adulto , Pérdida de Sangre Quirúrgica , Cuello del Útero/patología , Conización/efectos adversos , Femenino , Humanos , Láseres de Gas/efectos adversos , Complicaciones Posoperatorias/epidemiología , Instrumentos Quirúrgicos , Factores de Tiempo , Resultado del Tratamiento , Terapia por Ultrasonido/efectos adversos
14.
Arch Gynecol Obstet ; 282(3): 293-300, 2010 Sep.
Artículo en Inglés | MEDLINE | ID: mdl-20502905

RESUMEN

Uterine sarcomas are rare and aggressive gynaecologic malignancies with poor prognosis, arising from myometrial or endometrial tissue. These rare cancers can be aggressive, and account for a greatly disproportionate amount of deaths from uterine cancers. The histological uterine sarcomas classification includes carcinosarcomas (malignant mesodermal mixed tumors), accounting for 40% of cases, leiomyosarcomas (40%) and endometrial stromal sarcomas (10-15%). Each group of these tumors presents differences in diagnosis, prognostic factors, treatment, and outcome. Uterine leiomyosarcomas typically affects women in their sixth decade of life, presenting with atypical symptoms such as abnormal uterine bleeding and abdominal pain. The optimal treatment of uterine leiomyosarcomas is surgery, including total abdominal hysterectomy and bilateral salpingooophorectomy. The aim of this study was to conduct a systematic review of the literature regarding the standard surgical procedure of uterine leiomyosarcomas and investigate whether lymphadenectomy affects the 5-year DSS, as well as other relevant clinical outcomes, in women with uterine leiomyosarcomas. For this purpose, MEDLINE, EMBASE, and the Cochrane Library databases were reviewed, and a critical account of the management strategies of these tumors is presented.


Asunto(s)
Carcinosarcoma/cirugía , Leiomiosarcoma/cirugía , Escisión del Ganglio Linfático , Neoplasias Uterinas/cirugía , Carcinosarcoma/patología , Femenino , Humanos , Histerectomía , Leiomiosarcoma/patología , Estadificación de Neoplasias , Análisis de Supervivencia , Neoplasias Uterinas/patología
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