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tag tourrette s syndrome developmental biology

The Role of Mom’s Microbes During Pregnancy
Carolyn A. Thomson and Kathy D. McCoy | Aug 1, 2021 | 10+ min read
Bacteria in the gut influence the production of antibodies and themselves secrete metabolites. In a pregnant woman, these compounds may influence immune development of her fetus.
An illustration of green bacteria floating above neutral-colored intestinal villi
The Inside Guide: The Gut Microbiome’s Role in Host Evolution
Catherine Offord | Jul 1, 2021 | 10+ min read
Bacteria that live in the digestive tracts of animals may influence the adaptive trajectories of their hosts.
An illustration of flowers in the shape of the female reproductive tract
Uterus Transplants Hit the Clinic
Jef Akst | Aug 1, 2021 | 10+ min read
With human research trials resulting in dozens of successful deliveries in the US and abroad, doctors move toward offering the surgery clinically, while working to learn all they can about uterine and transplant biology from the still-rare procedure.
A Living Legacy
Megan Scudellari | Jan 13, 2010 | 10 min read
A Living Legacy At the birthplace of stem cell research, the next generation of scientists continues to advance the field. By Megan Scudellari In Toronto’s downtown Discovery District, world-class stem cell researchers populate the buildings like athletes at the Olympics. On University Avenue, Andras Nagy, a renowned innovator in induced pluripotent stem (iPS) cells, works at the Samuel Lunenfeld Research Institute, housed within the towering Mount Sin
Epigenetics: Genome, Meet Your Environment
Leslie Pray | Jul 4, 2004 | 10+ min read
©Mehau Kulyk/Photo Researchers, IncToward the end of World War II, a German-imposed food embargo in western Holland – a densely populated area already suffering from scarce food supplies, ruined agricultural lands, and the onset of an unusually harsh winter – led to the death by starvation of some 30,000 people. Detailed birth records collected during that so-called Dutch Hunger Winter have provided scientists with useful data for analyzing the long-term health effects of prenat
Alternative Splicing Goes Mainstream
Sam Jaffe | Dec 14, 2003 | 10 min read
In eukaryotic genetics, the one-gene/one-protein concept has, for the most part, breathed its last. Researchers have rallied behind mechanisms such as alternative splicing, which may allow a lowly 30,000-gene genome to produce the dizzying variety of proteins that some believe is necessary to produce beings as complex as humans. Alternative splicing--the post-transcriptional editing process that can result in various mRNAs--was previously seen as an interesting but relatively uncommon sidesh
Preimplantation Genetic Diagnosis: The Next Big Thing?
Ricki Lewis | Nov 12, 2000 | 9 min read
Courtesy of David Hill, ART Reproductive Center Inc.Two separated blastomeres subjected to FISH analysis to check the chromosomes. In early October, preimplantation genetic diagnosis (PGD) made headlines when a Colorado couple used assisted reproductive technology (ART) to have a baby named Adam, whose umbilical cord stem cells could cure his six-year-old sister Molly's Fanconi anemia.1 When Adam Nash was a ball of blastomere cells, researchers at the Reproductive Genetics Institute at Illinois
Light Microscopy Enables Scientists to Peer Inside Cells In Real Time
Holly Ahern | Jan 21, 1996 | 9 min read
Although the laws of physics dictate how much an object can be magnified and still clearly seen, scientists continue to expand their view of the microscopic world beyond the cellular level. New light microscopy methods and technology have made it possible for scientists to view previously undetectable tiny structures inside of cells, and to examine such objects in real time as cells carry out their activities. "New microscopy techniques, particularly those involving fluorescence microscopy and

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