Abstract：
OBJECTIVE:To evaluate the effects of tumor necrosis factor-alpha (TNF-alpha) on porcine oocyte maturation, spindle dynamics, and chromosome alignment. DESIGN:Controlled, prospective study. SETTING:University hospital and IVF research laboratory. ANIMAL(S):Ovaries collected from slaughtered prepubertal gilts. MAIN OUTCOME MEASURE(S):Oocyte maturation rate and cytoskeleton distribution. MATERIALS AND METHOD(S): Immature porcine oocytes (GV) were exposed to TNF-alpha at a concentration of 0 (as a control), 1, 5, 10, 100, 200, or 600 ng/mL in M199 medium. Oocytes were cultured for 24 hours to the pre-MI stage or 44 hours to the MII stage. After in vitro maturation for 44 hours, the rates of GV oocytes reaching MII stage were assessed, and MII oocytes were fixed for further examination of the cytoskeleton and the chromosomal distribution. RESULT(S):The TNF-alpha concentration at 5 ng/mL decreased the porcine oocyte maturation rate compared with the control after culture for 44 hours, whereas exposure to 10 or 100 ng/mL TNF-alpha resulted in a significant increase in the frequency of defective spindles or abnormal microfilament distribution. Exposed to 200 ng/mL, TNF-alpha caused a significantly higher abnormality rate of chromosome alignment when compared with the controls. CONCLUSION(S):Exposure of porcine oocytes to an elevated TNF-alpha concentration clearly caused a reduction in their maturation from GV stage to MII stage and increased the proportion of oocytes with abnormal chromosome alignment and cytoskeleton structure.
journal_name
Fertil Steriljournal_title
Fertility and sterilityauthors
Ma CH,Yan LY,Qiao J,Sha W,Li L,Chen Y,Sun QYdoi
10.1016/j.fertnstert.2009.01.131subject
Has Abstractpub_date
2010-02-01 00:00:00pages
920-6issue
3eissn
0015-0282issn
1556-5653pii
S0015-0282(09)00257-Xjournal_volume
93pub_type
杂志文章abstract：OBJECTIVE:To report a case of a gonadotroph adenoma diagnosed after a dramatic increase in estradiol level and ovarian hyperstimulation in response to a gonadotropin-releasing hormone agonist. DESIGN:Case report. SETTING:Outpatient practice and university hospital. PATIENT(S):A 35-year-old woman who presented with i...
journal_title：Fertility and sterility
pub_type： 杂志文章
doi：10.1016/s0015-0282(02)04342-x
更新日期：2002-12-01 00:00:00
abstract：OBJECTIVE:To describe the molecular, cytogenetic, immunohistochemical, and endocrinologic characteristics of a young 46,XY female with persistent müllerian structures and germ cell tumors in dysgenetic gonads. DESIGN:Descriptive case study. SETTING:Mackay Memorial Hospital and National Yang-Ming University, Taipei, T...
journal_title：Fertility and sterility
pub_type： 杂志文章
doi：10.1016/s0015-0282(99)00169-7
更新日期：1999-07-01 00:00:00
abstract：OBJECTIVE:To observe the ultrastructure of human oocytes at different maturity stages and morphologies before and after in vitro maturation. DESIGN:Case report. SETTING:University-based center for human reproduction. PATIENT(S):A 28-year-old patient with polycystic ovary syndrome undergoing IVM/IVF-ET treatment. IN...
journal_title：Fertility and sterility
pub_type： 杂志文章
doi：10.1016/j.fertnstert.2009.02.010
更新日期：2009-07-01 00:00:00
abstract：:An improved knowledge of cryopreservation of primate embryos will have important research and clinical application. Fifty-six 4- to 8-cell in vitro fertilized embryos were frozen in HEPES-buffered Tyrode's solution containing 1.5 M dimethylsulfoxide (DMSO) and cooled at the rate of 0.3 degrees C/minute to -39 degrees ...
journal_title：Fertility and sterility
pub_type： 杂志文章
doi：10.1016/s0015-0282(16)49225-3
更新日期：1986-03-01 00:00:00
abstract：:This study was done to measure the bioactivity of luteinizing hormone (LH) in follicular fluid (FF) and to correlate this and other hormonal values with oocyte maturity in the spontaneous cycle. Twenty follicles (greater than 18 mm) from 18 ovulatory patients were obtained, and FF, according to oocyte maturity, was di...
journal_title：Fertility and sterility
pub_type： 杂志文章
doi：10.1016/s0015-0282(16)49213-7
更新日期：1986-03-01 00:00:00
abstract：OBJECTIVE:To determine the effects of dietary carrots and retinoic acid on P secretion in the in vitro perfused rabbit ovary. DESIGN:Controlled experiment. SETTING:Laboratory. SUBJECTS:Sexually mature New Zealand white rabbits. INTERVENTION(S):Experiments were done in vitro using an isolated rabbit ovarian perfusio...
journal_title：Fertility and sterility
pub_type： 杂志文章
doi：10.1016/s0015-0282(97)81529-4
更新日期：1997-08-01 00:00:00
abstract：OBJECTIVE:To evaluate the effects of conjugated equine estrogens, medroxyprogesterone acetate (MPA), conjugated equine estrogens combined with MPA, tamoxifen, and soybean estrogens on vaginal cytology in surgically postmenopausal cynomolgus macaques (Macaca fascicularis). DESIGN:Randomized long-term experimental trial...
journal_title：Fertility and sterility
pub_type： 杂志文章
doi：
更新日期：1996-05-01 00:00:00
abstract：OBJECTIVE:To map the changes in messenger RNA (mRNA) and protein abundance during the window of implantation in specifically endometrial stromal and glandular epithelial cells obtained using laser microdissection microscopy (LDM). DESIGN:Endometrial samples were collected from two menstrual cycles at 2 and 7 days afte...
journal_title：Fertility and sterility
pub_type： 杂志文章
doi：10.1016/j.fertnstert.2012.03.007
更新日期：2012-06-01 00:00:00
abstract：OBJECTIVE:To determine whether cryptorchidism associated with azoospermia or oligozoospermia may be due to microdeletions of the Y chromosome. DESIGN:Controlled clinical study. SETTINGS:Division of Medical Genetics and the Andrology Centre, Department of Obstetrics and Gynecology, University Medical Center, Ljubljana...
journal_title：Fertility and sterility
pub_type： 杂志文章
doi：10.1016/s0015-0282(03)00375-3
更新日期：2003-06-01 00:00:00
abstract：:Ultrasonic monitoring of ovarian follicles and estimation of serum estradiol were carried out in 12 patients with clomiphene therapy, in 5 patients with gonadotropin therapy, and in 7 normal controls. The average diameter of preovulatory follicles in normal controls was 12,8 mm; in ovulation induction groups it was 2 ...
journal_title：Fertility and sterility
pub_type： 杂志文章
doi：10.1016/s0015-0282(16)44055-0
更新日期：1979-06-01 00:00:00
abstract：:Transferrin and somatomedin C receptors (TFr and SMCr) were studied in human ovaries by immunostaining using monoclonal antisera. The oocyte of evoluting follicles was intensely positive for both types of receptors, but this positivity decreases in large follicles. An evident positivity for both TFr and SMCr was shown...
journal_title：Fertility and sterility
pub_type： 杂志文章
doi：10.1016/s0015-0282(16)59533-8
更新日期：1987-11-01 00:00:00
abstract：:During an 18-month period 219 couples and 3 single women were counseled concerning private, non-agency adoption. Ninety-seven clients adopted privately a total of 105 babies. Thirty-one other couples are still actively pursuing adoption, 39 are no longer pursuing adoption, 13 became pregnant, 9 adopted through an agen...
journal_title：Fertility and sterility
pub_type： 杂志文章
doi：10.1016/s0015-0282(16)46164-9
更新日期：1982-04-01 00:00:00
abstract：OBJECTIVE:To compare the efficacy of two antiandrogens, spironolactone and flutamide, in the treatment of hirsutism. PATIENTS, PARTICIPANTS:Twenty women with idiopathic hirsutism were randomized to receive either flutamide or spironolactone. DESIGN:Twenty hirsute women were recruited from patients presenting to the h...
journal_title：Fertility and sterility
pub_type： 临床试验,杂志文章,随机对照试验
doi：
更新日期：1994-04-01 00:00:00
abstract：OBJECTIVE:To investigate the effects of estrogen (E) alone or with cyclic, continuous, or interrupted P regimens on bone density in an aged rat model. DESIGN:Randomized controlled trial. ANIMALS:Twenty 12-month-old female Sprague-Dawley rats were sham operated (intact control) and 100 were ovariectomized (OVX). INTE...
journal_title：Fertility and sterility
pub_type： 杂志文章
doi：
更新日期：1995-03-01 00:00:00
abstract：:Fifty patients have been sterilized laparoscopically using a plastic tubal (Bleier) clip having a "snap-shut" mechanism. Initial assessment indicates that the method is simple in principle but there are limitations, including the bulky dimensions of the applicator, absence of a safety-catch mechanism, and faults in th...
journal_title：Fertility and sterility
pub_type： 杂志文章
doi：10.1016/s0015-0282(16)44111-7
更新日期：1979-07-01 00:00:00
abstract：OBJECTIVE:To determine CA-125 levels in cervical mucus (CM) during the menstrual cycle and their relationship to gonadal steroids and ovulation. DESIGN:Prospective study. SETTING:Two academic tertiary referral centers. PARTICIPANTS:Thirteen women with a normal fertility work-up. INTERVENTIONS:CA-125 and protein con...
journal_title：Fertility and sterility
pub_type： 杂志文章
doi：10.1016/s0015-0282(16)56694-1
更新日期：1994-05-01 00:00:00
abstract：:Rhesus monkeys immunized with the beta-subunit of ovine luteinizing hormone (oLHbeta) developed circulating antibodies which cross-reacted strongly with rhesus monkey chorionic gonadotropin. Normal ovulatory cycles continued, but the fertility of immunized monkeys as compared with that of controls was significantly re...
journal_title：Fertility and sterility
pub_type： 杂志文章
doi：
更新日期：1979-02-01 00:00:00
abstract：:Hypoxia downregulated the concentration of endostatin in the culture media of human endometrial stromal cells but did not affect the messenger (m)RNA expression of collagen XVIII. Both mRNA and protein expression of vascular endothelial growth factor were upregulated in a hypoxic condition. ...
journal_title：Fertility and sterility
pub_type： 杂志文章
doi：10.1016/j.fertnstert.2004.03.032
更新日期：2004-09-01 00:00:00
abstract：OBJECTIVE:To determine if mutations in NELF, a gene isolated from migratory GnRH neurons, cause normosmic idiopathic hypogonadotropic hypogonadism (IHH) and Kallmann syndrome (KS). DESIGN:Molecular analysis correlated with phenotype. SETTING:Academic medical center. PATIENT(S):A total of 168 IHH/KS patients as well ...
journal_title：Fertility and sterility
pub_type： 杂志文章
doi：10.1016/j.fertnstert.2011.01.010
更新日期：2011-04-01 00:00:00
abstract：OBJECTIVE:To evaluate the effects of a prolonged duration of gonadotropin-releasing hormone agonist (GnRH-a) in pituitary down-regulation for controlled ovarian hyperstimulation (COH) on the live-birth rate in nonendometriotic women undergoing in vitro fertilization and embryo transfer (IVF-ET). DESIGN:Retrospective c...
journal_title：Fertility and sterility
pub_type： 杂志文章
doi：10.1016/j.fertnstert.2014.03.030
更新日期：2014-07-01 00:00:00
abstract：OBJECTIVE:To determine the effect of sperm manipulation before intracytoplasmic sperm injection (ICSI) on fertilization rates. DESIGN:Three methods of sperm manipulation before direct ICSI were compared in two sibling oocyte trials. SETTING:In vitro fertilization unit within a teaching hospital. PATIENTS:Patients un...
journal_title：Fertility and sterility
pub_type： 杂志文章
doi：10.1016/s0015-0282(16)57988-6
更新日期：1995-12-01 00:00:00
abstract：OBJECTIVE:To characterize and contrast protamine levels, chromatin decondensation, chromosome aneuploidy rates, and functional ability of round-headed sperm from two brothers with round-headed sperm syndrome. DESIGN:Analysis of semen samples from siblings with round-headed sperm syndrome and comparison with semen of f...
journal_title：Fertility and sterility
pub_type： 杂志文章
doi：10.1016/s0015-0282(98)00498-1
更新日期：1999-03-01 00:00:00
abstract：OBJECTIVE:To compare final embryo disposition between patients and donor oocyte recipients. DESIGN:Retrospective study. SETTING:Private infertility practice. PATIENT(S):Patients undergoing IVF with embryo cryopreservation. INTERVENTION(S):None. MAIN OUTCOME MEASURE(S):Final cryopreserved embryo disposition. RESUL...
journal_title：Fertility and sterility
pub_type： 杂志文章
doi：10.1016/j.fertnstert.2010.08.002
更新日期：2011-03-01 00:00:00
abstract：:To understand the mechanism of action of danazol, the binding of danazol to multiple classes of intracellular steroid binding proteins was studied in the human uterine endometrium. Danazol bound to endometrial receptors for estrogen, progesterone, and androgen and seemed to bind to endometrial intracellular corticoste...
journal_title：Fertility and sterility
pub_type： 杂志文章
doi：10.1016/s0015-0282(16)47840-4
更新日期：1984-05-01 00:00:00
abstract：:The results of reinsemination of 150 morphologically mature oocytes that failed to fertilize within 15 to 20 hours after initial insemination were evaluated. Only 41 oocytes (27.3%) were fertilized after reinsemination, which is significantly lower than the percentage obtained after initial insemination (74%). However...
journal_title：Fertility and sterility
pub_type： 杂志文章
doi：10.1016/s0015-0282(16)49097-7
更新日期：1986-01-01 00:00:00
abstract：OBJECTIVE:To describe the treatments of a patient using the laparoscopic Davydov's method for Mayer-Rokitansky-Küster-Hauser (MRKH) syndrome and ureteral reimplantation for hydronephrosis and hydroureter. DESIGN:Surgical video article. A consent form from the patient was obtained as appropriate; the nature of the stud...
journal_title：Fertility and sterility
pub_type： 杂志文章
doi：10.1016/j.fertnstert.2020.08.1433
更新日期：2020-10-14 00:00:00
abstract：OBJECTIVE:To assess the clinical value of bisulfite polymerase chain reaction Luminex (BPL), an automated, high-throughput procedure for the detection of alterations in DNA methylation. DESIGN:Experimental prospective study. SETTING:University research laboratory and private in vitro fertilization (IVF) clinic. PATI...
journal_title：Fertility and sterility
pub_type： 临床试验,杂志文章
doi：10.1016/j.fertnstert.2010.06.076
更新日期：2011-01-01 00:00:00
abstract：OBJECTIVE:To report a child with Beckwith-Wiedemann syndrome (BWS) born after assisted reproductive technology (ART) to an HIV serodiscordant couple. DESIGN:Case report. SETTING:Academic medical center. PATIENT(S):A child with BWS born after ART to an HIV serodiscordant couple. INTERVENTION(S):Assisted reproductive...
journal_title：Fertility and sterility
pub_type： 杂志文章
doi：10.1016/j.fertnstert.2011.04.030
更新日期：2011-07-01 00:00:00
abstract：OBJECTIVE:To evaluate the effects of a coculture with human endometrial cells on the function of spermatozoa from samples obtained from infertile couples. DESIGN:In a prospective study, human spermatozoa selected by swim-up from fresh samples were cultured on human endometrial feeder layers. Thereafter, their viabilit...
journal_title：Fertility and sterility
pub_type： 杂志文章
doi：10.1016/s0015-0282(16)56469-3
更新日期：1994-01-01 00:00:00
abstract：OBJECTIVE:To compare the semen quality and hormonal status between patients with testicular cancer and normal versus increased serum levels of beta-hCG. DESIGN:Retrospective study. SETTING:Academic research environment. PATIENT(S):All 203 patients with testicular cancer who required chemotherapy in the period 1995-2...
journal_title：Fertility and sterility
pub_type： 杂志文章
doi：10.1016/j.fertnstert.2008.03.016
更新日期：2009-06-01 00:00:00
