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Sperm in Medical News

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

LOS ANGELES, July 28 /PRNewswire/ -- Interested in a sperm donor who resembles your favorite actor, athlete, or musician? California Cryobank (CCB) , the nation's leading sperm bank, now offers a celebrity Donor Look-a-Likes feature, which allows clients to view online photos of c...

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

BUFFALO, N.Y. -- Couples struggling with fertility problems have a new option for assessing their ability to have a child with the start-up of a new Buffalo-based company called LifeCell Dx, Inc. (LCDX). The company was founded by Lani J. Burkman, Ph.D., a reproductive physiologist in the Depar...

Male Fertility Supplement Improves Sperm Quality & Motility in Clinical Study

A clinical study for the male fertility supplement, FertilAid for Men, was recently presented at the American Society of Andrology's annual meeting. Study results showed marked improvement in sperm parameters, particularly with respect to the overall number of normally shaped, motile sperm in the...

Human sperm created from embryonic stem cells

Human sperm have been created using embryonic stem cells for the first time in a scientific development which will lead researchers to a better understanding of the causes of infertility. Researchers led by Professor Karim Nayernia at Newcastle University and the NorthEast England Stem Cell In...

New Study Shows Daily Sex Can Increase Sperm Count

New research reported at this week's meeting of the European Society of Human Reproduction found that men with a history of fertility problems can improve their sperm count by having sex every day. According to Genie James, M.M.Sc., Executive Director of The Natural Hormone Institute, "Envir...

Daily sex helps to reduce sperm DNA damage and improve fertility

Amsterdam, The Netherlands: Daily sex (or ejaculating daily) for seven days improves men's sperm quality by reducing the amount of DNA damage, according to an Australian study presented today (Tuesday) to the 25th annual meeting of the European Society of Human Reproduction and Embryology in Amste...

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Sperm in Medical Technology

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

Technology Intended to Improve Outcome of Intrauterine Insemination and In Vitro Fertilization Procedures LA JOLLA, Calif., June 22 /PRNewswire-FirstCall/ -- Cordex Pharma, Inc. (OTC Bulletin Board: CDXP) announced today that it has entered into an agreement with Clinical Trials International...

Soyfoods Do Not Impact Sperm Count

WASHINGTON, July 24 /PRNewswire-USNewswire/ -- Headlines claiming "soy products lower sperm count" do not tell the whole story. The small scale, preliminary study that Dr. Jorge Chavarro, published online in Human Reproduction, is based on recollected intake of soyfoods and not on specific die...

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 stimula...

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

...e 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 great...

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

...n 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 . ...

Duska Therapeutics Licenses Portfolio of Heart Failure Drugs From Duke and Johns Hopkins

...ment and diagnosis of certain cardiac arrhythmias, treatment of heart failure, treatment of chronic obstructive pulmonary disorder, and improvement of sperm motility. For more information, visit http://www.duskatherapeutics.com . Forward-looking Statements This press release contains forward-looking s...
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 neutrophils....
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 speed....
Company:Vulcon Technologies
Sperm in Medical Dictionary

Sperm

He finds that sperm tails contain the same types of odor-binding proteins that noses do. ... explain a lot about the awesome interaction of sperm meets egg. ... A radical overhaul of sperm donation services is needed to address the critical shortage of sperm donors in the UK, say two f...

Vasectomy

... When the vasectomy is complete, sperm can no longer exit the body through the penis. .....rth control. ... Are there immune reactions to sperm after a vasectomy ? ... Information about v...croscope magnification, almost routinely restores sperm to semen. The "no-scalpel vasectomy " techni...

Varicocele

... Comprehensive overview covers symptoms, causes, treatment of this possible ... Varicocele ... However, a varicocele in one testicle can affect sperm production ... varicocele ( ) n. A varicose condition of veins of the spermatic cord or the ... Varicocele is an abnormal enlargement of the ...

Vas deferens

...Vas deferens - The 2 muscular tubes that carry sperm from the testicle and ... vas n. Anatomy. ,...ose off the tubes ( vas deferens ) that deliver sperm from the testes; it is usually performed as a mea...pedia.com ... The vas deferens , which carries sperm from the testicles ... Vas Deferens . The ...

Testosterone

...sterone testing has come of age as increased testing for androgen ... Testosterone is the principal androgen in men and is required for normal sperm production. ... In males, the testes produce most of the circulating testosterone . ... Testosterone levels are used to assess: Early or lat...

Testis

...cended testis is in the inguinal canal, hormonal therapy is ... Testis , also called testicle, one of a pair of male sex glands that produce sperm cells. ... In man the testis is an oval organ about 5 cm (about 2 in) long. ... Testis . Article View ... In man the testis is an oval or...
Sperm in Biological News

Spread your sperm the smart way

Attractive males release fewer sperm per mating to maximise their chances of producing offspring across a range of females, according to a new paper on the evolution of ejaculation strategies. The findings by researchers at UCL (University College London) and the University of Oxford suggest that,...

The egg makes sure that sperm don't get too old

In contrast to women, men are fertile throughout life, but research at the Sahlgrenska Academy, University of Gothenburg, Sweden, has now shown that a fertilising sperm can get help from the egg to rejuvenate. The result is an important step towards future stem cell therapy. The risk of chromos...

CSHL scientists discover how 'companion' cells to sperm protect them from genetic damage

Cold Spring Harbor, N.Y. In plant pollen grains, sperm cells, which carry the genetic material to be passed on to progeny, are cocooned within larger "companion" cells that are called pollen vegetative cells. These companions provide sperm with energy and nourishment, and push them towards their...

Proteins in sperm unlock understanding of male infertility says new study

Proteins found in sperm are central to understanding male infertility and could be used to determine new diagnostic methods and fertility treatments according to a paper published by the journal Molecular and Cellular Proteomics (MCP). The article demonstrates how proteomics, a relatively new fi...

Low sperm count may be associated with prenatal testosterone excess

Exposure to an excess of sexual steroids, like testosterone, during fetal development may be a potential risk factor for low sperm count and motility, according to a new study accepted for publication in Endocrinology, a journal of The Endocrine Society. "The majority of disorders affecting s...

Unique study shows oil, gas seismic work not affecting Gulf sperm whales

HOUSTON, Aug. 21, 2008 Noise can be irritating and possibly harmful for everything from mice to humans and maybe even 60-foot whales in the Gulf of Mexico. In recent years, there has been concern that man-made noise may be a cause of stress for dolphins, whales and other marine mammals, bu...

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Sperm in Biological Technology

New sperm shaker to improve IVF success

Scientists have developed a ground-breaking method for testing the quality of a sperm before it is used in IVF and increase the chances of conception. Researchers at the University of Edinburgh, funded by the EPSRC (Engineering and Physical Sciences Research Council), have created a way of chem...

Tethered to chip, energy supply that drives sperm could power 'nanobot'

Washington, D.C. -- The biological pathway that powers sperm to swim long distances could be harnessed to nanotech devices, releasing drugs or performing mechanical functions inside the body, according to a presentation at the American Society for Cell Biologys 47th Annual meeting. The work b...

Microbix Sales Grow 22% For Nine Months

...nued. "Microbix' recent discoveries should provide a more cost-effective platform for semen sexing and significantly improve yields and quality of the sperm produced compared to the current commercial sexing technology. With this new technological advantage, the Company is entering discussions with interes...

Transposagen Creates a Rat Model of the Human Immune System

...posagen's goal is to produce 30,000 unique knockout rat lines to represent each gene in the rat genome. Transposagen is also creating a cryo-preserved sperm repository and a tissue bank from all of the knockout rats it produces. About Transposagen Biopharmaceuticals: Transposagen Biopharmaceutic...

Microbix Files First Patent Applications On Novel Technology Platform For Large Semen Sexing Market

...ogy. Microbix' recent discoveries should provide a more cost-effective platform for semen sexing and significantly improve yields and quality of the sperm produced compared to the current commercial sexing technology. Both are critical market factors that Microbix believes will allow the company to eff...

Schering-Plough Announces Phase II and III Data for Corifollitropin Alfa

...f fertilization procedure (in-vitro fertilization (IVF) or intracytoplasmic sperm injection (ICSI), number of embryos transferred (single or double), or day ...re are many causes of infertility including problems with the production of sperm or eggs, with the fallopian tubes or the uterus, endometriosis, frequent mi...
Sperm in Biological Products

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

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

Benzonase from Sigma-Aldrich

Description:...on 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

Sperm

Schematic diagram of a sperm cell, showing the (1) acrosome , (2) cell membrane , (3) nucleus , (4) mitochondria , and (5) flagellum (tail) A sperm cell , or spermatozoon ( pl. spermatozoa ) (in Greek : sperm = semen and zoon = alive), is the haploid cell that is the ...

Acrosome

... In sperm cells of many higher animals, the acrosome deve...ring 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 th...

Acrosome

... In sperm cells of many higher animals, the acrosome deve...ring 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 th...

Capacitation

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

Cell growth

...ploid amount of DNA, 2N . Using this notation for counting chromosomes we say that human somatic cells have 46 chromosomes (2N = 46) while human sperm and eggs have 23 chromosomes (N = 23). Humans have 23 distinct types of chromosomes, the 22 autosomes and the special category of sex chromosome...

Chromatin

...tion. There are three levels of chromatin organization: nucleosome - "beads on a string" 30 nm condensed chromatin fiber chromosome sperm chromatin is an exception to the above. During spermiogenesis , the male germ cell 's chromatin is remodelled into a more tightly packaged, compact...
Sperm in Biological Dictionary

Sperm

The term sperm is derived from the Greek word (σπέρμα) sperma and refers to the male reproductive cells. In the types of sexual reproduction known as anisogamy and oogamy, there is a marked difference in the size of the... The sperm whale, Physeter macrocephalus, is a species of mari...

Zona pellucida

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

Vitelline membrane

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

Vas deferens

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

Uropod

...ences structure of crustaceans ( in crustacean (arthropod): Appendages; ...crabs and crayfish the first two pairs in the male are modified to help in sperm transfer during mating. The last pair of abdominal limbs is frequently different from the others and is... Morphology of a crayfish: edible freshw...

Testes

... organ or body system. ... Testes : The male reproductive glands where sperm are produced. ... Detailed information on undescended testes , includi...o egg-shaped male reproductive organs located in the scrotum. They produce sperm and the male hormone, testosterone. ... Gray, Henry. 1918. Anatomy of t...

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