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tag in vitro fertilization ivf ecology immunology

Week in Review: March 7–11
Tracy Vence | Mar 10, 2016 | 1 min read
Resensitizing drug-resistant bacteria; MYC and immune response to cancer; mite-virus-bee ecology; epigenetics of IVF embryo sex; Zika and birth defects; p-value best practices
3d rendered medically accurate illustration of a human embryo anatomy
The Ephemeral Life of the Placenta
Danielle Gerhard, PhD | Dec 4, 2023 | 10+ min read
Recent advances in modeling the human placenta, the least understood organ, may inform placental disorders like preeclampsia.
Preimplantation Genetic Diagnosis
Philip Hunter | Jun 20, 2004 | 6 min read
FISHING FOR A HEALTHY BABY:Courtesy of the Reproductive Science Center of the San Francisco Bay Area, http://www.rscbayarea.comMulticolor Fluorescence in Situ Hybridization (FISH) can detect chromosomal abnormalities, such as aneuploidy, in cells removed from a developing embryo.Fast improving techniques for detecting genetic and chromosomal abnormalities via preimplantation genetic diagnosis (PGD) may boost the success rate of in vitro fertilization (IVF). Some clinics report a twofold to three
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.
NIH loosens stem cell consent rules
Elie Dolgin | Jul 5, 2009 | 3 min read
Final rules for human embryonic stem (ES) cell research, announced this afternoon (July 6) by the National Institutes of Health, require strict documentation detailing voluntary donation of embryos leftover from in-vitro fertilization procedures, but they also contain a mechanism for approving individual cell lines that don't meet the letter of the law but still adhere to the spirit of informed consent. Human embryonic stem cellsImage: Wikimedia/PLoSThe draft guidelines proposed in April expli
Top Technical Advances 2016
Kerry Grens | Dec 15, 2016 | 4 min read
The year’s most impressive achievements include methods to watch translation in cells, trace cell fates, avoid mitochondrial mutations, edit DNA, and build antibiotics from scratch.
"Big Cross" Lands Sticklebacks in the Spotlight
David Secko | Nov 7, 2004 | 5 min read
Marine threespine sticklebacks haven't morphologically changed in an estimated 10 million years, but their freshwater offshoots show no signs of slowing down. These 5-cm-long, freshwater fish have undergone a recent evolutionary change, variably losing their calcified body armor and retractable pelvic and dorsal spines. Remarkably, isolated marine and freshwater sticklebacks can be hybridized in the laboratory, a fact that is allowing researchers to analyze the genetics behind their natural dive
Surpassing the Law of Averages
Jeffrey M. Perkel | Sep 1, 2009 | 7 min read
By Jeffrey M. Perkel Surpassing the Law of Averages How to expose the behaviors of genes, RNA, proteins, and metabolites in single cells. By necessity or convenience, almost everything we know about biochemistry and molecular biology derives from bulk behavior: From gene regulation to Michaelis-Menten kinetics, we understand biology in terms of what the “average” cell in a population does. But, as Jonathan Weissman of the University of Califo
More than Sperm Support
Jef Akst | Jan 27, 2014 | 4 min read
Male mice lacking seminal vesicles father fewer offspring, and their sons suffer from abnormal metabolism into adulthood.
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

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