Reanalysis Of International Data Finds Sharp Decline In Sperm Density
...s that included men who hadconceived only after an infertility workup. While the results of their analyses also showed a significant decline insperm density, it was the rate of the decline, particularly in Westerncountries, that was most surprising. "We observed a decrease of about 1.5million sperm per mil...Chlamydia Vaccine Developed At UMass
...the disease chlamydia, the leading cause of female infertility in this country. A patent for the vaccine has been granted based on work by microbiology professor A. Bruce MacDonald, who died last September, and his colleague, Elizabeth Stuart, a lecturer in microbiology. The work was done in conjunction with Jud...Women Younger Than 30 Need To Be Screened For Chlamydia
...Chlamydiatrachomatis infection would vastly reduce infertility and the costly medicalcomplications of this sexual...ges the upper genital tract in women, resulting in infertility andpotentially fatal ectopic pregnancy. Results of the study appear in the Feb. 15 issue of A...Age-Based Screening Is Cost-Effective Method To Control Chlamydial Infection
...lamydialinfection, has emerged as a major cause of infertility among women ofchildbearing age. Genital chlamydia...s, and damageto their fallopian tubes resulting in infertility can occur silently over timeif the infection remains undiagnosed and not treated," said author Thoma...... of Medicine. Successful infertility treatment depends on the ability to manipulate precisely the essential hormones involved, which requires their clear identification. Infertility specialists strive for a single birth, considering anythi......nsight into the molecular glitchthat causes a male infertility syndrome. Men with the infertility syndrome haveimmature sperm that are developmentally interrupted at the same stage ofcreation as was...Duke Study Helps Explain How Cells Divvy Up Genes During Reproduction
...mosomes can end up in each egg. This can result in infertility or syndromessuch as Down's, in which a child has an extra copy of chromosome 21. The scientists hope these experimental models will give clues to whysome women have multiple miscarriages, and why, as women age, more of their eggshave the wron...Could A 'Vaccine' Made From Our Own Cells Work Against HIV?
... mice against Chlamydia, abacterium that can cause infertility in women. The same approach might even workagainst HIV. Until now, vaccines have been notoriously unsuccessful at stimulatingimmune responses in the mucous membranes ofthe body, the route through whichHIV, Chlamydia and other sexually transmi...Rapid Population Growth Is Still A Problem
...e now assumed by the United Nations: a modest rise infertility to a level somewhat below replacement, with large population declinesunlikely. Different Policies For Each Demographic Condition Policy implications for both conditions, sizable population growth in developingcountries and below-replacement levels ...Wisconsin Scientists Culture Elusive Embryonic Stem Cells
... importantclinical consequences for birth defects, infertility and pregnancy loss, saidThomson. Moreover, a more complete understanding of normal development willultimately allow the prevention or treatment of abnormal human development. The most likely immediate application of human embryonic stem cell technolo...First Derivation Of Human Embryonic Stem Cells Reported In Science
...ith potential applications toward the treatment of infertility and premature pregnancy loss, and the diagnosis and prevention of birth defects. Finally, hES cells open the door to a new field of research -- the genomics of human developmental biology. Until now, early genetic events in human embryology have b...LSU Ag Center Program Focuses On Helping Animals Reproduce; Graduates Assist Humans, As Well
...der Godke and is nowlaboratory director of a human infertility clinic in Dallas, Texas. She is an example of graduates working with humans instead of farmanimals. "Many of the techniques I learned in working with animals also apply tohumans," said Kim Morgan, who earned her master's degree in t......auses adrenalinsufficiency, absence of puberty and infertility in boys. To date, no women have been identified with this condition, probablybecause of infertility of males with the AHC mutation. Until now, it wasimpossible to determine the role of AHC in female s......ease (PID). Thelong term effects of PID, including infertility and ectopic or tubalpregnancies, can be painful, costly and life-threatening. Shafer is professor of pediatrics and associate director of the adolescentmedicine at UCSF. Her co-authors are Robert H. Pantell, MD, professor and chiefof the division of ...LSU Ag Center Brucellosis Specialist May Help Stem Bison Controversy
... disease, thedisease causes spontaneous abortions, infertility and lowered milk production. It can also spread to humans, where it's called undulant fever. "In most instances the only sign of infection in cattle is reproductivefailure due to abortions, thus the disease is usually considered a femaledisea...Cystic fibrosis gene undetected in screening of infertile men
...and in vitro fertilization have given many menwith infertility an opportunity to father children, which they could not havedone 20 years ago," says Jarvi. "But we're now finding out that we may beputting some of these children at a higher risk of being born with cysticfibrosis." The routine CFTR screening panel...Newly discovered gene family may regulate important biological processes
...nding may lead to breakthrough treatments for male infertility and cancer. The scientists cloned the gene, Morc, in both mouse and human cells. It is foundonly in the testis, but similar proteins also are in other tissues in all themulti-cellular organisms tested, including zebrafish, nematodes, slime mold andpl...Fathers pass infertility to sons
... incontrast, might elect to avoid transmitting the infertility by using donor spermor by adopting, and others could decide to have only daughters by geneticallytesting the fertilized embryos to determine their sex and only having femaleembryos implanted, " said Page. Page cautioned that genetic engineering of s...... and foals and may someday help addressproblems of infertility in humans. Dee L. Cross, a Clemson Universityanima...ggesting that it could be used to treatproblems of infertility in humans, as well as to increase the reproductionrate in horses and other livestock. The Fo......ls can be collected by using embryos remainingfrom infertility procedures after the embryo's progenitors have decided they donot wish to preserve them and have given full and informed consent for the useof these embryos for research purposes. The study also recommends that intellectual property regimes for stem ...