sperm banks

..We aim to evaluate feasibility of offering newly diagnosed patients the opportunity to bank sperm and, to determine the beliefs and decision-making processes of patients and their parents who considered sperm banking...

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..These experiments demonstrated the feasibility of using a very simple and inexpensive method to achieve artificial insemination and cryopreservation of semen in endangered pheasant species...

..To assist workers in this area, a series of recommendations as to current best practice are made, based upon conclusions from risk analyses using currently available information...

..Gene banks can play an important role in conserving genetic diversity within livestock breeds over time, and may support industry in the future when needed...

..Assisted reproductive technologies have led to successful pregnancies and deliveries using sperm harvested from the epididymis and/or testis of infertile men...

..In addition, information on infertility needs to be given to families early in the diagnostic phase to provide them with an opportunity to ask questions...

..Further research is necessary to understand the mechanism(s) responsible for this variability. This may also assist clinicians utilize semen samples with optimum semen quality in ART procedures...

..05, P > 0.05). CONCLUSIONS: It was indicated that freezing-thawing after 24 h would be helpful to the screening of semen donors in batches for donor insemination of human sperm bank...

..Individuals must enter into agreements with a true understanding of the contained provisions...

..Similar sperm qualities in men with and without cancer were found. Patient and physician awareness and early referral for sperm banking are essential in preserving fertility potential in men with malignancies...

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..In practice, the amplitude of this expected effect is not well known and the statistical power of time-to-pregnancy studies to detect it has not been explored...

..The objective of this article is to review current criteria for semen cryopreservation and its usefulness as a method for preservation of fertility in patients with cancer...

..More in-depth research needs to be carried out on the quality of sperm salvaged at different times of the year in order to confirm these findings...

..However, combining semen with embryos could decrease costs, allowing for the conservation of more breeds, and specific strategies for semen use could decrease the level of relationships in the reconstructed breed...

..These results indicated that the freezing system for epididymal sperm used in the present study gives appropriate information for banking the genetic resources of wild felid species...

..In conclusion, human sperm can survive very long-term storage, which is pertinent information for clinicians referring boys and young men for sperm banking before chemotherapy...

..The practical approach to gaining consent that we are using seems a logical and practical method to help early adolescent patients to store spermatozoa...

..The rate of semen sample use for assisted reproduction techniques is similar to international data (5%). At present, semen cryopreservation is possible only in about 20 Italian centers...

..Current stocks made possible the restoration of more than 96% of the initial genome. This project also provided technical solutions to resolve some of the health problems frequently encountered for gene preservation in poultry...

..The goal of this study was to survey oncologists in three different practice settings to determine their knowledge, attitudes, and practices regarding referring patients to bank sperm before cancer treatment...

..Some donors would be willing to be approached for information or contact even if they did not register. The findings indicate important policy and practice messages about the ongoing needs of donors...

To evaluate variability in donor semen quality between seven commercial donor sperm banks, within sperm banks, and between intracervical insemination and intrauterine insemination.

..Inheritance mode appeared to influence decisions to remove donors from sperm banks; however, no clear consensus was noted...

..For men undergoing treatment likely to destroy testicular function, the development of sperm banks to store cryopreserved sperm offers the hope of future fatherhood...

..The data support the use of TEST + glycerol as an acceptable cryopreservation media of Asian elephant semen for the establishment of sperm banks.

..Reduction desired by individual donors can be obtained by means of mutual agreements between sperm banks and donors...

..There is a need for multidisciplinary protocols for oncology centres and sperm banks, so that the timely informing of patients is guaranteed, responsibilities are recorded--with appropriate ..

..Our findings are also highly relevant to the development of cod mariculture and for aiding in conservation efforts of this very important marine species...

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..The objective of this study was to determine the effect of the duration of cryostorage in liquid nitrogen on the sperm cells' progressive motility concentration (PMC) in a large study group...

..The role of the nurse in the education of families and facilitating the sperm banking process will be described...

..testing, processing, preservation, storage and distribution of human cells and tissues made it obligatory for sperm banks to set up quality control systems to ensure, among other goals, the satisfactory control of all procedures ..

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..17), whereas the percentage of motile cells was lower (P=.009) after long-term (9-13 years) compared with short-term (1-5 years) storage. Density gradient isolation reduced the difference in sperm motility between the two groups...

..We recommend the routine use of sperm banks in the cases of men who still wish to have children and who will undergo therapy with (131)I activities of 14 ..

..To investigate the relationship of seasonal variation with pre- and post-thaw semen parameters as well as the cryosurgical of human spermatozoa...

..Lack of knowledge regarding sperm banking could be limiting nurses' willingness to introduce the topic, and education regarding cryopreservation may improve their knowledge and practice...

..001). As far as is known, this is the first report ona sperm preparation technique concentrating spermatozoa unaffected in terms of DNA damage. The special chambers most probably select for sperm motility and/or maturity...

..The authors describe the clinical application of semen cryostorage, survival of micro-organism during cryostorage procedures and the risk of cross-contamination...

..Further prospective studies are required to validate cryopreservation of oocytes and ovarian tissue, in-vitro maturation of oocytes and new vitrification techniques and to identify any long-term sequelae of slow freezing of embryos...

..Among them, few attend for fertility monitoring or agree to sperm disposal where fertility recovers. Sperm banks are therefore burdened by long-term storage of samples that may not be needed for conception, with implications ..

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..To extend the analysis of the proteome of human spermatozoa and establish a 2-D gel electrophoresis (2-DE) reference map of human spermatozoal proteins in a pH range of 3.5-9.0...

..This paper uses material gained through consultation with the eleven largest UK sperm banks and 94 male teenage cancer survivors, to discuss the associated legal and ethical dilemmas, including those ..

..To assess the use rate and assisted reproductive technologies (ART) outcome of the cryopreserved semen of cancer patients with an average follow-up of 7 years (range, 2-23 years)...

..Innovative approaches by a diverse group of scientists along with advances in computer science, biophysics, cell biology, instrumentation, and applied reproductive physiology provided the basis for commercializing sexed semen in cattle...

..e., high), rather than a direct effect of an existing malignancy...

..To determine which genetic tests are being performed on sperm donor applicants in the United States...

To assess the level of openness in U.S. gamete donation policies across fertility clinics, egg donation agencies, and sperm banks.

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..This review aims to outline the many challenges associated with these requests...

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..To review the literature and answer questions about semen quality in young cancer patients before and after therapy and the importance of sperm cryopreservation...

..The purpose of this review is to summarise the current state of knowledge in the area of assisted reproduction technologies and gene banking for the conservation of amphibians...

..The unintended consequence in which genetic diseases are unwittingly transmitted to offspring is an underrecognized public health issue not previously prioritized by US Food and Drug Administration guidelines...

..We determined the prevalence of requests for postmortem sperm procurement and the degree to which procurement is performed by those working in the field of infertility...

..The lifelong well-being of the child created must be the prime consideration in any reform of the law...

..The aim of this study was to compare 2 different density gradient preparations for sperm separation in respect to sperm recovery, motility, motion parameters and clinical outcome after intrauterine insemination...

..However, sperm concentration and morphologically normal spermatozoa are not assessed accurately by SQA in minke whales...

..The present study was conducted to evaluate seasonal variability in the quality of pre- and post-thaw semen parameters among sperm bank donors...

..To examine the outcome of assisted reproduction techniques (ART) using cryopreserved semen from patients with cancer...

..This review explores the possibilities offered by assisted reproduction and molecular biology techniques to HIV and/or HCV serodiscordant couples by which they may conceive children with the minimum risk...

..NO produced in the swim-up group was significantly lower than the PureSperm group, and the PureSperm group was lower than the semen treated with cryoprotectant group. Best semen quality was achieved due to the decreased NO production...

..It is very important for it to have a biosocial approach: there must be an unrelenting battle against pseudoscientific ideas and attempts to use the recent advances in Biology for reactionary, antihuman purposes...

..The following types of sperm banks were assessed: (1) a "Wild Bank" consisting of sperm (i.e...

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..Clinics also reported a shortage of both oocyte and semen donors from specific ethnic groups...

..To evaluate the SQA IIB (Sperm Quality Analyzer; MES-Medical Electronic Systems, Migdal Haemek, Israel), sperm analyzer that claims to read the three main sperm indices through algorithmic means and without a microscope...

..This leads to the ironic claim that seeking a deaf child could actually mitigate the conditions of disability within the family...

..The cuts method may be more practical on certain occasions, but care must be taken in order to achieve rapid extension of the sample and to avoid contamination in order to improve sample condition...

..Almost all of the deposits exhibited adequate quality at all times during storage. Consequently, 21-year permanent frozen storage in liquid nitrogen is safe regarding aspects of spermatology...

..CONCLUSION: We can identify the difference between sperm of donors and the suspected sperm of donors, and sperm of donors and the peripheral blood of their offspring exactly by DNA fingerprinting...

..CONCLUSION: Most adolescent cancer patients who have been offered fertility preservation are able to bank sperm. Younger patients may be helped by the provision of high quality information and more open discussion of the technique...

..Previous experiences with patients and donors, as well as different cultural viewpoints in northern and southern Europe, are presented...

..An association between advancing donor age and increased frequency of numerical and structural chromosome abnormalities has been reported in spermatozoa of normal men...

..Gonadal tissue cryopreservation and transplantation should be considered experimental in humans for the present time until greater evidence regarding efficacy and safety is accrued...

..To evaluate the predictive value of a sperm maturation test using the hyaluronan-binding assay (HBA) for freezability potential; and to determine the effect of freezing-thawing on HBA results...

..Studies of fertility in men treated for testicular cancer have mainly addressed serum follicle-stimulating hormone levels and sperm parameters. We assessed post-treatment paternity among long-term survivors of testicular cancer...

..Although both are associated with high rates of infertility, sperm banking (SB) remains underutilized by both diagnostic groups. Reasons for this remain elusive...

..To evaluate the relationship between sperm pathology and cancer diagnosis, determine the mortality rate, and evaluate the outcomes of the use of frozen sperm from the sperm bank...

..The goal of this study was to survey male patients aged 14 to 40 years at diagnosis and recently treated in two cancer centers to determine their knowledge, attitudes, and experiences regarding cancer-related infertility and sperm banking...

..In conclusion, we propose that fertility clinics should be compelled to review their cryopreservation procedures, not just because of new legislation or indeed fear of litigation but by a moral obligation...

..In addition, we will conduct 50 semi-structured, qualitative phone interviews with survivors diagnosed under age 45, to better identify and characterize concerns of this young, at-risk group. ..

..Although the causes of these problems are known, and brief counseling is often effective at resolving them, few women have access to such information or services. ..

..In the second quarter of 2005 a working group of around 20 will meet to draft a manuscript on proposed clinical guidelines on reproduction and cancer, for submission to a relevant, peer-reviewed journal. ..

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..These studies will establish the causal relationship between the activin system and normal and abnormal follicle function. ..

..These studies will establish the causal relationship between the inhibin system and normal and abnormal follicle function and lead toward a more complete understanding of key regulating protein in the ovarian-pituitary axis. ..