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Results 501 - 550 of 734
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Tan L - - 2001
Moraxella osloensis, a gram-negative bacterium, is associated with Phasmarhabditis hermaphrodita, a nematode parasite of slugs. This bacterium-feeding nematode has potential for the biological control of slugs, especially the grey garden slug, Deroceras reticulatum. Infective juveniles of P. hermaphrodita invade the shell cavity of the slug, develop into self-fertilizing hermaphrodites, and ...
Yan R T - - 2001
cNSCL1 encodes a bHLH transcription factor and is specifically expressed in the developing nervous system. We used a replication-competent retrovirus to drive misexpression of cNSCL1 in chick embryos. We found that cNSCL1 misexpression was embryonic lethal and the embryos exhibited gross abnormalities. Many skeletal bones were abnormal and some were ...
Kausche A - - 2001
To analyze the birth weights and sex ratio of infants born as a result of blastocyst transfer and compare them with data resulting from the transfer of early-cleavage stage embryos. Retrospective analysis. Monash IVF (private in vitro fertilization clinic). One hundred twenty-five infertile patients who became pregnant after IVF procedures ...
Saillenfait A M - - 2001
The present study was conducted to further characterize the embryotoxic effects mono-n-butyl phthalate, a major metabolite of the plasticizer di-n-butyl phthalate, and evaluate its role in the developmental toxicity of di-n-butyl phthalate. The embryotoxic effects of mono-n-butyl phthalate were compared to those of the parent compound di-n-butyl phthalate after a ...
Kaunitz A M - - 2001
Lunelle, an injectable estrogen/progestin contraceptive, is administered on a monthly basis and is now available as the first monthly injectable in the United States. International and US clinical trials have established its safety and confirmed its contraceptive efficacy. Fertility returns rapidly after discontinuation of injections. Studies have noted a high ...
Porzio P - - 2001
There are many indications for an intravenous excretory urogram. However, where intravenous access is not available, the intraosseous route to the circulation may be an alternative. We found that safe and diagnostic excretory urograms could be obtained in rabbits following the injection of different contrast media via the intraosseous route. ...
Liang F Q - - 2001
Photoreceptors in retinitis pigmentosa (RP), a group of inherited retinal degenerative diseases, die through apoptosis. Since melatonin protects against neuronal apoptotic death, we tested its ability to slow photoreceptor degeneration in the rds/rds mouse, an animal model for RP. Shortly after birth, rds/rds mice were given daily i.p. injections of ...
Arav A - - 2001
An inexpensive and convenient method of collecting large number of oocytes for in vitro procedures is by aspiration of follicles visible on the surface of isolated ovary. This method yielded only moderate numbers of oocytes per ovary, and it was found that the yield could be improved by slicing the ...
Cohen J S - - 2001
BACKGROUND: Sildenafil (Viagra) has been linked to 240 deaths (128 verified, 112 unverified) reported to the Food and Drug Administration (FDA) during 7.5 months of availability, and to 522 reported deaths after 13 months of availability. To date, no updated information about FDA-reported deaths has emerged, and no comparative analyses ...
Loutradis D - - 2001
OBJECTIVE: To report two cases of live births after intracytoplasmic sperm injection (ICSI) in two women who were seronegative for human immunodeficiency virus type 1 (HIV-1) after the use of processed semen from their seropositive husbands. DESIGN: Case reports. SETTING: University hospital IVF center. PATIENT(S): Two HIV-1 seropositive men and ...
Barrionuevo M J - - 2000
PROBLEM: Using an IVF model, the goal of the study was to investigate the relationship between follicular fluid (ff) NO and IL-1beta levels, as well as their correlation with fertilization of mature oocytes and embryo cleavage rates. METHOD OF STUDY: Follicular fluid was collected from 17 patients at the time ...
Randerson J - - 2000
To a maternally transmitted parasite, male hosts are evolutionary prison cells. This is because passage into the next host generation is only possible via egg cytoplasm and not sperm. However, these parasites have come up with a neat array of evolutionary tricks to make the best of their custodial sentence.
Schramm R D - - 2000
Although strategies for in-vitro maturation of oocytes from rodents and domestic species have been relatively successful, application of these techniques to primates has not met with similar success. Currently, evaluation of the developmental capacity of oocytes following fertilization is the only reliable means to assess cytoplasmic maturation. Although rhesus monkey ...
Anniballo R - - 2000
In patients with non-obstructive azoospermia, testicular sperm extraction (TESE) is a method of choice to recover spermatozoa as a male therapeutic approach in intracytoplasmic sperm injection (ICSI) programmes. However, the efficacy of TESE in this indication is burdened by a frequent failure of sperm recovery, which renders useless both the ...
Brogliatti G M - - 2000
Ultrasound-guided transvaginal follicle aspiration has been described as a noninvasive and repeatable procedure for oocyte collection in several species, but its use has not been described for any of the members of the family, Camelidae. A study was designed to determine the feasibility of an ultrasound-guided transvaginal approach for oocyte ...
Yap C - - 2000
The physiology of oocyte development, maturation, and selection forms the basis for understanding ovarian follicle dynamics, reproductive function and ovulation induction. The number of ovarian follicles with which women are invested from birth and the rate of decline determine their reproductive lifespan. The processes of atresia and apoptosis constantly deplete ...
- - 2000
This multicentre, double-blind, double-dummy, randomized, parallel-group study compared the efficacy and safety of recombinant human chorionic gonadotrophin (rHCG) (Ovidrel((R))) and urinary HCG (uHCG) (Profasi((R))) for inducing final follicular maturation and early luteinization in women undergoing ovulation induction for assisted reproduction treatment. Following long down-regulation and stimulation with recombinant human FSH ...
Corvo M L - - 2000
PURPOSE: We are exploring liposomal delivery with the aim to change the pharmacokinetics and biodistribution of SOD to increase its therapeutic activity. From a practical point of view, a convenient route of administration would be the subcutaneous (s.c.) route. Liposomal size has been shown to be the most important factor ...
Wennerholm U B - - 2000
The aim of this study was to report the outcome of all clinical pregnancies obtained after intracytoplasmic sperm injection (ICSI) performed during a 5 year period at two fertility clinics, with special reference to delivery outcome associated with different sperm origin and quality and the transfer of fresh or frozen-thawed ...
Dewerchin M - - 2000
Mice with a total deficiency in blood coagulation Factor X (FX) were generated by targeted replacement of an 18-kb fragment of the FX gene, comprising all exons encoding the mature FX protein, with a neo(r) cassette. The genotype distribution among the offspring from heterozygous breeding pairs suggested that FX deficiency ...
Chang S P - - 2000
Poor responders to controlled ovarian hyperstimulation (COH) present a clinical challenge for in vitro fertilization (IVF) and embryo transfer. The failure of IVF for the treatment of severe male-factor infertility can now be overcome by intracytoplasmic sperm injection (ICSI). The infertile couple documented in this case report came to our ...
Seror P - - 1999
OBJECTIVES: The principal aims of this study were to determine the frequency of sepsis after local corticosteroid injection (SALCSI), to compare the results with those of the literature and to determine the main factors leading to a decrease in the frequency of SALCSI. METHODS: A retrospective study was conducted among ...
Gardner R L - - 1999
Although overall polarity is discernable morphologically in both the growing and mature oocyte in mammals, it is typically relatively inconspicuous in the zygote. Furthermore, the conceptus exhibits an essentially radial organization during cleavage which was long held to persist until the primitive streak forms at the onset of gastrulation. This ...
Ménézo Y J - - 1999
OBJECTIVE: To analyze the birth weights and sex ratio of infants born after blastocyst transfer. DESIGN: Retrospective analysis. SETTING: Three infertility clinics. PATIENT(S): Patients admitted for IVF with blastocyst transfer. INTERVENTION: None. MAIN OUTCOME MEASURE(S): Birth weights and sex ratio of infants born after blastocyst transfer. RESULT(S): Statistically significantly more ...
Loft A - - 1999
This national cohort study included all clinical pregnancies obtained after intracytoplasmic sperm injection (ICSI) registered in Denmark between January 1994 and July 1997 at five public and eight private fertility clinics. Laboratory and clinical data were obtained from the fertility clinics. The couples answered a questionnaire regarding the pregnancy and ...
Hinrichs K - - 1999
A nonovulating, hormone-treated mare was used successfully as an oocyte recipient. The mare's ovarian activity was suppressed using progesterone and estrogen treatment. This treatment was stopped, then estrogen was administered for 3 d prior to the transfer. An oocyte was recovered from the follicle of a donor mare and was ...
Keen J E - - 1999
OBJECTIVE: To evaluate the breeding soundness examination procedure in plains bison bulls. DESIGN: Multiyear (1993 through 1997) cross-sectional clinical procedure evaluation. ANIMALS: Two hundred thirty-four 28- to 30-month-old bison bulls at Custer State Park. PROCEDURE: Breeding soundness examinations were performed on all bison bulls using 1992 Society for Theriogenology guidelines ...
Ezeh U I - - 1999
Although testicular biopsy for sperm extraction is a procedure with a potential for complications, sperm retrieval is successful in 30-70% of patients with non-obstructive azoospermia. In order to predict the probability of retrieving at least one testicular spermatozoon we conducted a prospective study of a set of variables in 40 ...
Boone W R - - 1999
In the near future, 6 of 8 bear species will face extinction mainly because of loss of their natural habitat. This loss of habitat will ultimately require some of these bears to be maintained in zoos and wildlife preserves in the hope of conserving genetic diversity. If the giant panda ...
- - 1999
Kim J K - - 1999
This study deals with the morphological degenerations of normal and atretic follicles based on artificially induced radiation apoptosis. ICR strain of 3 week-old female mice were whole body irradiated with 8.3 Gy and sacrificed by cervical dislocation. Ovaries were collected at 0 h, 6 h, 12 h, 1 d, 2 ...
Silva P D - - 1998
OBJECTIVE: To investigate whether gamete intrafallopian transfer (GIFT) may be a cost-effective alternative to donor oocyte procedures in women 40 and older with good ovarian reserve. STUDY DESIGN: Retrospective review of records at an infertility clinic in a large multispecialty group practice. Twenty two consecutive women aged 40 and older ...
Lang I M - - 1998
The objectives of this study were to identify and to characterize the pharyngoesophageal inhibitory reflex (PEIR) in an animal model. Thirty-one cats (2.4-5.0 kg) were anesthetized using alpha-chloralose (45 mg/kg ip), and esophageal peristalsis was recorded manometrically. Secondary peristalsis was activated by rapid air injection (8-20 ml) at midesophagus or ...
Kara A - - 1998
The acute onset of cyanosis in an infant is an alarming development. We report an infant who became cyanotic after injection of prilocaine. Prilocaine is a local anesthetic that is widely used in clinical practice, but usage in infancy easily causes methemoglobinemia. Acquired methemoglobinemia occurs in individuals exposed to an ...
Aytoz A - - 1998
OBJECTIVE: To describe the outcome of pregnancies obtained after intracytoplasmic sperm injection (ICSI) and the impact of the origin and quality of sperm used on this outcome. DESIGN: Retrospective analysis. SETTING: A tertiary referral center for assisted reproduction. PATIENT(S): Pregnant patients conceived after microinjection of ejaculated sperm (n=1,427), epididymal sperm ...
Robert L L - - 1998
The effect of Bacillus sphaericus, at various concentrations, on hatching of phlebotomine sand fly eggs was examined using laboratory bioassays. Aqueous suspensions of B. sphaericus, strain 2362, inhibited hatching of eggs of Phlebotomus duboscqi and Sergentomyia schwetzi by 95% at concentrations as low as 0.05 and 0.11 mg/cm2, respectively. In ...
Quiroga R - - 1998
This study evaluated the performance, acceptability, and appropriateness of a new, single-use, prefilled injection device called UniJect for an outreach immunization application. Between April and June 1995, UniJect devices were used by 36 traditional birth attendants to administer tetanus toxoid injections to 2,240 pregnant women during routine, antenatal home visits ...
Roepstorff A - - 1998
Paired samples of faeces and blood were collected from weaners (W), fatteners (F), lactating sows (S) and piglets (P) in 20 Danish sow herds. The samples were examined by a McMaster technique for Ascaris suum eggs and an indirect ELISA for anti-A. suum IgG. The coprological and serological results were ...
Vidarsson G - - 1998
Streptococcus pneumoniae is a major respiratory pathogen of infants, children, and the elderly. Polysaccharide vaccines have been useful in adult populations but do not elicit protective immunity in infants and young children. To enhance their immunogenicity, vaccines of pneumococcal polysaccharides conjugated to proteins are being developed. In this study antibody ...
Suda T - - 1998
Thirty fertilized chicken eggs preincubated for 0, 7, and 10 days on earth (10 eggs each) were flown in the space shuttle "Endeavour" and further incubated for 7 days under microgravity. Twenty out of 30 eggs (nine out of ten 10-day-old eggs; 10 out of ten 7-day-old eggs; 1 out ...
Aslam I - - 1998
During 1995 and 1996 the first spermatid pregnancies were announced with both round spermatid (ROSI) and elongated spermatid (ELSI) injections. These publications were flanked by live births from ROSI in a number of animal species, with resulting offspring appearing normal, healthy and fertile. However, the live births in humans heralded ...
Cody M M - - 1998
Research is ongoing to develop improved birth control methods and additional contraceptive methods to increase reproductive choices for both men and women. To date, limited male contraceptive choices are available. Immunocontraceptives, injectables, implants, and pills are in developmental stages to become future male contraceptive options. Researchers are pursuing several new ...
Hearn C M - - 1998
The effects of the prolactin inhibiting drug, cabergoline, on pregnant and lactating marsupials were investigated in four species from three diverse families: the tammar wallaby, Macropus eugenii, the quokka, Setonix brachyurus, the brushtail possum, Trichosurus vulpecula, and the fat-tailed dunnart, Sminthopsis crassicaudata. In tammar wallabies, 20 micrograms cabergoline kg-1 injected ...
Latham V H - - 1998
For decades it has been assumed that in order to insert macromolecules into the embryo blastocoel for numerous experimental purposes, microinjection was required. Microinjection, however, can be only performed on a few embryos at a time, thus precluding many studies that could involve large populations of embryos. Laser scanning confocal ...
Lagos R - - 1998
BACKGROUND: In recent years additional parenteral vaccines have been recommended for routine immunization of infants in the US and elsewhere. The ability to administer multiple vaccines as a single injection without unacceptably increasing reactogenicity or decreasing immunogenicity of any component would offer many practical advantages. METHODS: A randomized, open, controlled ...
Songsasen N - - 1998
The objective of this study was to determine the viability and fertility of mouse spermatozoa obtained at various postmortem intervals. Male mice were euthanized, and the bodies were kept at approximately 22 degrees C for up to 24 hr. The epididymides were removed and spermatozoa were allowed to swim out ...
Yang X - - 1998
Since bovine in vitro fertilization became possible in the early 80s, a lot of effort has been done to clarify the mechanisms of what seems more and more one of the crucial steps in this procedure, being oocyte maturation. Undoubtedly, many biological factors act together to prepare the immature oocyte ...
Fanchin R - - 1998
OBJECTIVE: Our purpose was to assess the possible relationship between human embryo growth rates and sexual differentiation. STUDY DESIGN: We analyzed 142 conceptional in vitro fertilization and embryo transfer cycles undertaken in 137 women (151 embryos transferred) in which each embryo transferred led to a gestational sac. Embryos were sorted ...
Zwaan J - - 1997
A 4-month-old infant received an accidental intraocular injection of methylprednisolone while undergoing penetrating keratoplasty for congenital, hereditary endothelial dystrophy. This was not discovered until 4 months later, at which time the intraocular pressure (IOP) was increasing and an early cataract was forming. A lensectomy and vitrectomy were performed when the ...
Kurinczuk J J - - 1997
OBJECTIVE: To test the hypothesis that liveborn infants conceived by intracytoplasmic sperm injection are at an increased risk of having a major birth defect. DESIGN: Reclassification of the birth defects reported in infants born after intracytoplasmic sperm injection in Belgium and comparison with prevalence estimated in Western Australian population by ...
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