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Popular Articles

Environmental Factors Instruct Lineage Choice Of Blood Progenitor Cells
The research team led by Dr. Timm Schroeder, stem cell researcher at Helmholtz Zentrum MÃønchen, has developed a new bioimaging method for observing the differentiation of hematopoietic progenitor cells (HPC) at the single-cell level. With this method the researchers were able to prove for the first time that not only cell-intrinsic mechanisms, but also external environmental factors such as growth factors can control HPC lineage choice directly. The findings, published in the current issue of the prestigious journal Science, provide an essential building block for understanding the molecular mechanisms of hematopoiesis and are an important prerequisite for optimizing therapeutic stem cell applications.

Identification Of Genes That Influence Start Of Menstruation
Researchers from the Peninsula Medical School, along with collaborators from research institutions across Europe and the United States, have for the first time identified two genes that are involved in determining when girls begin menstruation. The work will be published in Nature Genetics this weekend.
News of the day
It's Official: No Senate Vote On Health Reform Before Recess
Senate Majority Leader Harry Reid Thursday said the Senate will be unable to pass health care reform before it leaves for its August recess, which will likely result in changes to the shape of the final bill, The Washington Post reports.
Medical Devices

Cook Medical Introduces The Guardia™ Pro Protective Embryo Transfer Catheter

The Guardia Pro Protective Embryo Transfer Catheter is uniquely engineered to protect and guide embryos through cervical mucus and blood and to eliminate the need for cervical flushing or aspiration prior to transfer. The Guardia Pro"s outer sheath protects the embryo through entry and then opens in petals to further advance the inner transfer catheter allowing placement of the embryo in the uterine cavity. Additionally, the transfer catheter also incorporates Cook"s Microvol™ technology that decreases the volume of fluid required for embryo transfer helping lessen the likelihood of embryo migration and allowing more accurate embryo placement. Introduced at the European Society of Human Reproduction and Embryology (ESHRE), the Guardia Pro Embryo Transfer Catheter is Cook"s newest addition to its extensive portfolio of products for assisted reproductive technology (A.R.T). For more than 25 years, Cook Medical has provided infertility and reproductive specialists with innovative products to meet the needs of each individual patient. Christina Annç©, Vice President of Cook Medical"s women"s health strategic business unit, said, "The launch of the Guardia Pro is an important step forward for the industry and for those undergoing IVF. Our unique product creates a greater opportunity for successful embryo implantation. We are committed to simplifying procedures for patients and clinicians and with this device we hope to improve the process of embryo transfer." Cook also recently launched CookARTLab.com , a website for A.R.T. professionals. The site features the industry"s first interactive video tour of an A.R.T. lab. Visitors to the site can view a real-world demonstration of ovum collection, sperm injection, embryo culture and embryo transfer, with guidance on how to optimize each step for improved pregnancy rates. The website also features a knowledge base with up-to-the minute links to the most current published research in A.R.T.; a discussion forum that allows professionals to exchange information and experiences; and a news center posting upcoming industry events - making the Cook site a centralized re on breaking research and best practices for fertility and reproductive specialists. Cook Medical


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