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Sperm in Medical News

Sperm Cell Insights May Aid Stem Cell Research

... Scientists spot proteins that help sperm revert to stem cell state THURSDAY, ... that play a major role in reverting adult sperm cells back into stem cells have been identified ... redirection of stem cells on the way to becoming sperm cells back to stem cells. The study, published ...

Unlocking the key to human fertility

... at the University of Bradford, have found that sperm writes a DNA signature that can only be ... DNA packaging 'signature' in mammalian sperm that may be essential for successful ... proceed normally. Notably, disturbances in human sperm DNA packaging are known to cause male infertility ...

California Cryobank Introduces Celebrity Look-a-Likes for Sperm Donors

... ANGELES, July 28 /PRNewswire/ -- Interested in a sperm donor who resembles your favorite actor, athlete, ... California Cryobank (CCB) , the nation's leading sperm bank, now offers a celebrity Donor Look-a-Likes ... a three generation family medical history, and a sperm count/quality in the top 10-15% of the entire ...

UB start-up provides innovative digital sperm analysis to infertile couples worldwide

... reproduction. Burkman provided sophisticated sperm evaluation services at Women & Children's ... the past 20 years, Burkman has developed unique sperm fertility tests, including special methods for ... of vigorous swimming patterns and binding of sperm to the cover of human eggs. She has focused ...

Male Fertility Supplement Improves Sperm Quality & Motility in Clinical Study

... Study results showed marked improvement in sperm parameters, particularly with respect to the overall number of normally shaped, motile sperm in the ejaculate. ... Study results showed marked improvement in sperm parameters, particularly with respect to the ...

New technique could save cancer patients' fertility

... cancer treatment. Men are able to freeze their sperm for later use before they begin ... is to collect her eggs, fertilize them with sperm and freeze the resulting embryos. However, this ... contained to mature, fertilized them with mouse sperm and implanted them into female mice to establish ...

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Sperm in Medical Technology

Cordex Signs European Development Partnership for ATPotent(TM) Sperm Motility Drug

... vitro (outside of the human body) treatment of sperm in conjunction with intrauterine insemination ... (ATP) for improving human and animal sperm motility and fertilization capacity. ... due to asthenozoospermia (i.e., low or lack of sperm motility). Cordex will have access to the ...

Soyfoods Do Not Impact Sperm Count

... -- Headlines claiming "soy products lower sperm count" do not tell the whole story. The small ... soy isoflavone intakes were unrelated to total sperm count, ejaculate volume, sperm motility, or sperm morphology" which are the important measures ...

Molecular Biometrics Hires Denny Sakkas, PhD Renowned Yale Embryologist and International Thought-Leader, as Chief Scientific Officer; Opening U.S. Research Facility

... candidates are diagnostic tests used to evaluate embryos, oocytes and sperm viability for in vitro fertilization (IVF). Molecular Biometrics also ... tools in the areas of infertility (to determine viability of embryos, sperm and oocytes used in IVF), maternal fetal medicine (to monitor the health ...

New Data Supports Significant Economic and Clinical Value of MENOPUR(R) in IVF

... Hormone. Efficacy and safety of highly purified menotropin versus recombinant follicle-stimulating hormone in in vitro fertilization/intracytoplasmic sperm injection cycles: a randomized, comparative trial. Fertil Steril 2002; 78(3): 520-528 4. Andersen AN, et al. Clinical outcome following ...

deCODE and SGENE Consortium Discover Deletions in the Human Genome Linked to Risk of Schizophrenia

... normal sequence of the genome that can arise spontaneously during the recombination or reshuffling of the genome that takes place in the creation of sperm and eggs. The deletions reported in today's study are located on chromosomes 1q21, 15q11 and 15q13, and confer, respectively, 3, 15 and 12 times ...

New Research Just Released: Women Can Now Safely Postpone Motherhood Until Time Is Right

... providing individualized, innovative solutions for reproductive challenges and infertility, specializing in in vitro fertilization, intracytoplasmic sperm injection and other assisted reproductive technologies. For information, visit http://www.ivf.com . ...
Sperm in Medical Products

BD Cell-Tak™ Cell and Tissue Adhesive

Description:... microinjection, immunohistochemistry, and establishing primary cells in culture. BD Cell-Tak Cell and Tissue Adhesive has been used successfully with sperm cells, T47D human breast cancer cells, and ....
Company:BD Diagnostic Systems

Quantum

Description:... The Quantum performs centrifugal blood cell separations, urine separations, and sperm cell washing. 24 place angle head, variable speed, and automatic braking system, calibrated variable ....
Company:Vulcon Technologies
Sperm in Medical Dictionary

Birth Control

... of all U.S. For women, using a diaphragm or sperm icide for birth control can lead to UTIs by ... . The term sterility is restricted to lack of sperm production or inability to ovulate. Surgical ... of the vas deferens to prevent the passing of sperm . Used as a form of birth control . ...

Caffeine

... . " Caffeine is thought to stimulate sperm , but whether it improves pregnancy rates has ... " cannabis , nicotine and alcohol all affect sperm quality, because they've been shown to cause DNA damage to the sperm . - Caffeine blocks the breakdown of ...

Cervical

... to a diaphragm . It can be used without any sperm icidal cream or jelly because it fits very tightly over the cervix preventing the sperm from swimming to the egg. Cervical cancer ... ... Clean diaphragm s, cervical caps, and sperm icide applicators after use. Use condoms ...

Coitus

... immunologic conditions (male and or female anti sperm antibodies), cervical factors (anti sperm antibodies, decreased cervical mucous), male ... coitus . Requires only one small application of sperm icide inside the cap at time of insertion. The ...

Conception

... Conception : 1. The union of the sperm and the ovum . Synonymous with fertilization . ... ... Conception The union of egg and sperm to form a fetus . Corticosteroids A class of ... too frequently can seriously depress the sperm count. One common mis conception is that a ...

Condoms

... are less likely to break. Those that contain a sperm icide may provide increased protection from ... , contraceptive diaphragm , cervical cap, sperm aticidal jellies, foams and suppositories, and ... birth control method. Unlubricated condoms or sperm icidal condoms increase irritation and help ...

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Sperm in Biological News

Spread your sperm the smart way

... Attractive males release fewer sperm per mating to maximise their chances of producing ... mate with many different males. Each male's sperm competes with that of other males in a process ... means it is optimal for him to contribute fewer sperm per mating. Although this reduces fertility per ...

Size did matter

... The mystery of giant sperm present in some living animal groups today has ... fossilised evidence for reproduction using giant sperm in a group of small aquatic crustaceans, called ... Since modern ostracods still produce giant sperm and manoeuvre them with the same organs as 100 ...

Mothers give interloper's offspring a head start in life

... infertile. "Because females can often store sperm for several weeks, they may typically only ... laid eggs." Even if females obtain a mix of sperm before laying, it is possible that the sperm from extra-pair males is more successful in ...

American Chemical Society Weekly PressPac -- April 8, 2009

... RELEASE Solving the mystery of what puts sperm "in the mood" Journal of Proteome Research ... of key biochemical changes that put sperm "in the mood" for fertilization. Their study, ... Platt and colleagues note in the new study that sperm cannot fertilize an egg immediately after ...

Small RNAs can play critical roles in male infertility/contraception

... indicate that the X chromosome in developing sperm cells encodes numerous tiny ribonucleic acids ... roles in chromosome inactivation and also in sperm formation. "The sex chromosome ... role of these small RNA species in the control of sperm production. Worldwide, one in nine couples in ...

Gene discovery could lead to male contraceptive

... models that lack the CATSPER1 gene reveal how sperm is affected when the protein is missing or ... These studies show that CATSPER1 mutations affect sperm motility, specifically the very vigorous hyperactive motion the sperm uses when it is entering the egg during ...

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Sperm in Biological Technology

Gender-Selection Technique Embraced for Hopeful Parents

... The Ericsson method is based on manipulation of sperm -- not an embryo. According to the developer, ... sorting," which allows embryologists to choose sperm with X- or Y- bearing chromosomes that provide ... of determining the correct gender. The selected sperm is then used to create the embryo through in ...

IVF Baby Born From 21-Year-Old Frozen Sperm, Ties World Record

... Charlotte new dad, 38, froze sperm at 16 before chemotherapy that cured his leukemia ... fertilization (IVF) at their laboratory with sperm frozen for 21 years, which they believe ties the world record for the longest-frozen sperm used to create a baby with IVF. Chris ...

New sperm shaker to improve IVF success

... method for testing the quality of a sperm before it is used in IVF and increase the chances ... a way of chemically 'fingerprinting' individual sperm to give an indication of quality. Scientists can then consider whether the sperm is healthy enough to be used to fertilise an egg ...

A Scientific Milestone: Sex of Dolphin at SeaWorld San Diego Determined Prior to Conception

... necessary to sort and freeze sperm. sperm sexing by flow cytometry utilizes a technology ... modified the technology to separate dolphin sperm that carry a female-producing X chromosome from sperm that carry a male-producing Y chromosome. ...

Duska Therapeutics Provides Program Update and Reports Third Quarter 2008 Financial Results

... medium designed to enhance sperm motility and reduce the failure rates of in ... use of ATP for improving human and animal sperm motility. Male factor infertility is ... U.S. Asthenozoospermia, or lack of or low sperm motility, is a common cause of human male ...

The Pittsburgh Life Sciences Greenhouse Invests $100,000 in ParentPlus

... to fertility clinics as the medium used in sperm preparation for IntraUterine Insemination (IUI) ... popular press. It is ParentPlus' belief that sperm from many subfertile men should be the target of ... is a problem, to use IUI with spousal sperm to fulfill their dream of a having a baby. Hence, ...

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Sperm in Biological Products

Sperm viability Fluorometric (green) Assay Kit, LIVE/DEAD® from Molecular Probes (Invitrogen)

Description:... LIVE/DEAD® sperm Viability Kit *200-1000 ...
Company:Molecular Probes (Invitrogen)

Benzonase from Sigma-Aldrich

Description:... in 50% glycerol containing 20 mM Tris HCl, pH 8.0, 2 mM MgCl 2 , and 20 mM NaCl Preparation Unit Definition: One unit will digest sonicated herring sperm DNA to acid-soluble oligonucleotides equivalent to a ΔA 260 of 1.0 in 30 min at pH 8.0 at 37 C (reaction volume 2.625 ml). Assay: SDS-PAGE ...
Company:Sigma-Aldrich

Acetyl-Histone H3 Immunoprecipitation (ChIP) Assay Kit from Upstate

Description:... Kit Components: Anti-Acetylated Histone H3 Salmon sperm DNA/Protein A Agarose All necessary buffers. ...
Company:Upstate
Sperm in Biological Definition

Acrosome

... In sperm cells of many higher animals, the acrosome ... the ovum . Acrosome reaction When the sperm comes in contact with ZP3 in the zona pellucida, ... cell, and digestive enzymes are released from the sperm to digest the zona pellucida and give access to ...

Acrosome

... In sperm cells of many higher animals, the acrosome ... the ovum . Acrosome reaction When the sperm comes in contact with ZP3 in the zona pellucida, ... cell, and digestive enzymes are released from the sperm to digest the zona pellucida and give access to ...

Capacitation

... oocyte . This step is a biochemical event; the sperm move normally and look mature prior to ... tract . In vitro , capacitation can occur in sperm that have either undergone ejaculation or have ... (October 9, 1996). Current research into sperm capacitation: An Essay on Visconti, et al. ...

Ploidy

... chromosomes from each parent), though sex cells ( sperm and oocytes ) are haploid. In contrast, ... one homologue, resulting in haploid germ cells ( sperm and ovum ). Diploid Diploid cells ... the female develops from fertilized eggs: the sperm provides a second set of chromosomes when it ...

Edward's syndrome

... occurring before conception , when egg and sperm cells are made. A healthy egg or sperm cell contains 23 individual chromosomes - one to ... 46 chromosome cell. However, sometimes egg and sperm cells are left with 24 (or more) chromosomes. It ...

Ploidy

... chromosomes from each parent), though sex cells ( sperm and oocytes ) are haploid. In contrast, ... one homologue, resulting in haploid germ cells ( sperm and ovum ). Diploid Diploid cells ... the female develops from fertilized eggs: the sperm provides a second set of chromosomes when it ...

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Sperm in Biological Dictionary

Zona pellucida

... the mammalian ovum; can be penetrated by one sperm in the fertilization process; usually remains ... ... THE ZONA PELLUCIDA : ... Binding of sperm to the zona pellucida is a receptor-ligand ... zona pellucida protein that serves as a sperm receptor also stimulates ... The zona ...

Vitelline membrane

... fibers, with protein receptors needed for sperm binding, binding to sperm plasma membrane receptors. The ... coat/ vitelline layer. ... Thus, any additional sperm are released from the vitelline membrane and ...

Vas deferens

... male anatomy of some species; they transport sperm from the epididymis in anticipation of ... deferens - The 2 muscular tubes that carry sperm from the testicle and ... The male ... vas deferens is a coiled duct that conveys sperm from the epididymis to the ... A duplicate ...

Spermatogenesis

... during spermatogenesis . 5. Mutants that affect sperm meiosis ... Spermatogenesis is the process that creates sperm from initially ... The period of ... Spermatogenesis is the process of producing sperm with half the number of ... This part of ...

Sperm cells

... The term sperm is derived from the Greek word (σπέρμα) sperma ... a marked difference in the size of ... A sperm , from the ancient Greek word σπέρμα (seed) and ζῷον (living being) and more commonly known as a sperm cell, is the haploid cell that is the male ...

Sperm

... The term sperm is derived from the Greek word (σπέρμα) sperma ... marked difference in the size of ... The sperm whale, Physeter macrocephalus, is a species ... ... It is one of three living species in the sperm whale family. ... ...

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(Date:8/22/2014)... 2014 The rising numbers of teen drug ... in Asheville, NC. For many years, countless lives have been ... difference in the community a new helpline was established to ... in North Carolina who are seeking to overcome their addiction ... at (828) 348-5762, parents and their teens can speak immediately ...
(Date:8/22/2014)... 22, 2014 Dealing with a drug or ... the addict is a child. Adolescent substance abuse has been ... long time. But a new helpline is now providing a ... youth rehab for something like a teen drug addiction ... to help make a positive impact in the community. By ...
(Date:8/22/2014)... CA (PRWEB) August 22, 2014 Dr Murray ... for this snoring cure. , In the October 2014 issue ... of Dr Grossan about his method of treating snoring, and ... quotes Dr Grossan: "Nearly half of all adults snore occasionally, ... This is because air passages in the back of ...
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(Date:8/20/2014)... LAKE CITY Researchers at Huntsman Cancer Institute (HCI) at ... forms of the gene that encodes BCR-ABL, the unregulated ... According to the American Cancer Society, nearly 6,000 new ... Drugs already in use, called tyrosine kinase inhibitors (TKIs), ... They do not cure CML but control it in ...
(Date:8/20/2014)... State University, the Wellcome Trust Sanger Institute and the ... Mycobacterium pinnipedii from skeletons found in Peru ... is a relative of the TB bacterium that affects ... These researchers assume that seals carried the pathogens from ... lions was unexpected" comments Sebastien Gagneux, from the Swiss ...
(Date:8/20/2014)... Bay Area Lyme Foundation, which aims to make Lyme ... new research published in an upcoming issue of the ... . The findings show that ticks that carry ... year, making the threat of Lyme disease year-round. The ... Public Health (CDPH) Vector-borne Disease Section and University of ...
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