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Etienne Geoffroy Saint-Hilaire (1772-1844)
Etienne Geoffroy Saint-Hilaire, commonly known as Geoffroy, studied animals, their anatomy and their embryos, and teratogens at the National Museum of Natural History in Paris, France in the eighteenth and nineteenth centuries. Geoffroy also helped develop several specialized fields in the life sciences, including experimental embryology. In his efforts to experimentally demonstrate the theory of recapitulation, Geoffroy developed techniques to intervene in the growth of embryos to see whether they would develop into different kinds of organisms.
Zidovudine or Azidothymidine (AZT)
In 1964, Jerome Horwitz synthesized the drug zidovudine, commonly abbreviated ZDV, otherwise known as azidothymidine, or AZT, at Wayne State University School of Medicine in Detroit, Michigan. Horwitz and his colleagues originally developed zidovudine to treat cancers caused by retroviruses. In 1983, Nobel Prize in Physiology or Medicine recipients Françoise Barré-Sinoussi and Luc Montagnier discovered a new retrovirus, the human immunodeficiency virus, or HIV, at the Pasteur Institute in Paris, France.
“Does Air Pollution Play a Role in Infertility?: a Systematic Review” (2017), by Julie Carré, Nicolas Gatimel, Jessika Moreau, Jean Parinaud and Roger Léandri
In 2017, Julie Carré, Nicolas Gatimel, Jessika Moreau, Jean Parinaud, and Roger Léandri published “Does Air Pollution Play a Role in Infertility?: a Systematic Review,” hereafter “Does Air Pollution Play a Role,” in the journal Environmental Health. The authors completed a systematic literature review to investigate the effects of air pollutants on fertility in exposed populations.
Subject: Publications, Reproduction
The ‘Kangaroo-Method’ for Treating Low Birth Weight Babies in a Developing Country” (1994), by Nils Bergman and Agneta Jürisoo
In the 1994 article “The ‘Kangaroo-Method’ for Treating Low Birth Weight Babies in a Developing Country,” authors Nils Bergman and Agneta Jürisoo evaluate the effectiveness of the Kangaroo Care method in treating low birth weight infants at Manama Mission Hospital in Gwanda, Zimbabwe. Low birth weight infants face many medical complications. In developing countries, where the prevalence of low birth weight infants is highest, there is limited access to the technology or skilled personnel required to keep those infants alive.
“Survival of Mouse Embryos Frozen to -196 ° and -269 °C” (1972), by David Whittingham, Stanley Leibo, and Peter Mazur
In 1972, David Whittingham, Stanley Leibo, and Peter Mazur published the paper, “Survival of Mouse Embryos Frozen to -196 ° and -269 °C,” hereafter, “Survival of Mouse Embryos,” in the journal Science. The study marked one of the first times that researchers had successfully cryopreserved, or preserved and stored by freezing, a mammalian embryo and later transferred that embryo to a live mouse who gave birth to viable offspring. Previously, scientists had only been successful cryopreserving single cells, like red blood cells.
Subject: Experiments, Publications
Andrew Zachary Fire (1959- )
Andrew Zachary Fire is a professor at Stanford University and Nobel Laureate. Fire worked at the Carnegie Institution of Washington's Department of Embryology in Baltimore, Maryland, with colleague Craig Mello, where they discovered that RNA molecules could be used to turn off or knock out the expression of genes. Fire and Mello called the process RNA interference (RNAi), and won the Nobel Prize in Physiology or Medicine in 2006 for their discovery.
Planned Parenthood Center of Tucson (1950-1977)
Established in 1950, the Planned Parenthood Center of Tucson provided Arizona women with family planning resources until 1977, when it expanded to locations outside of Tucson and became Planned Parenthood of Southern Arizona. The Planned Parenthood Center of Tucson was formed after the Clinica Para Madres, the first birth control clinic in Arizona, merged with the national organization Planned Parenthood Federation of America.
Subject: Organizations, Reproduction, Outreach
Joseph Needham (1900-1995)
Joseph Needham was an embryologist and biochemist who is most noted in science for his studies on induction in developing embryos. Needham worked with Conrad Hal Waddington to attempt to identify the compound responsible for the organizer's activity. Although he was not successful in discovering the chemical, he and Waddington learned much about the organizer. Needham was a meticulous writer, writing reviews and books about contemporary research.
“Improving Women’s Health”: Section 3509 of the Affordable Care Act of 2010
In 2010, US Congress enacted section 3509 of the Patient Protection and Affordable Care Act or ACA, to target issues relating to women’s health. The ACA, signed into law by US President Barack Obama, aimed to increase people’s access to high-quality healthcare in the United States.
The Source-Sink Model
The source-sink model, first proposed by biologist Francis Crick in 1970, is a theoretical system for how morphogens distribute themselves across small fields of early embryonic cells. A morphogen is a substance that determines the fate and phenotype of a group of cells through a concentration gradient of itself across that group. Crick’s theory has been experimentally confirmed with several morphogens, most notably with the protein bicoid , the first discovered morphogen. The model provides a theoretical structure for the understanding of some features of early embryonic development.
Jane Marion Oppenheimer (1911-1966)
Jane Marion Oppenheimer, embryologist and historian of science and medicine, was born on 19 September 1911 in Philadelphia, Pennsylvania, to Sylvia Stern and James H. Oppenheimer. After studying zoology at Bryn Mawr College, Oppenheimer received her AB degree in 1932. Oppenheimer received her PhD in embryology at Yale University in 1935 and worked as a research fellow from 1935-1936. While at Yale she was influenced by the work of Ross Granville Harrison and John Spangler Nicholas, the latter of whom was Oppenheimer's PhD advisor.
HeLa Cell Line
The HeLa cell line was the first immortal human cell line that George Otto Gey, Margaret Gey, and Mary Kucibek first isolated from Henrietta Lacks and developed at The Johns Hopkins Hospital in Baltimore, Maryland, in 1951. An immortal human cell line is a cluster of cells that continuously multiply on their own outside of the human from which they originated. Scientists use immortal human cell lines in their research to investigate how cells function in humans.
Subject: Technologies, Experiments, People, Ethics
Prenatal Care (1913), by Mary Mills West
Prenatal Care is an educational booklet written by Mary Mills West of the US Children’s Bureau and published by the US Government Printing Office in 1913. The Bureau distributed West’s booklets in response to their field studies on infant mortality, which found that lack of access to accurate health and hygiene information put women and infants at greater than normal risk of death or disease. In Prenatal Care, West offers advice on nutrition, exercise, and personal hygiene during pregnancy and describes the processes of labor and birth.
Subject: Outreach, Publications
"Altruism and the Origin of the Worker Caste" from The Ants (1990), by Bert Hölldobler and Edward Osborne Wilson
In 'Altruism and the Origin of the Worker Caste,' Bert Hölldobler and Edward Osborne Wilson explore the evolutionary origins of worker ants. 'Altruism and the Origin of the Worker Caste' is the fourth chapter of Hölldobler and Wilson's book, The Ants, which was published by The Belknap Press of Harvard University in Cambridge, Massachusetts, in 1990. In 'Altruism and the Origin of the Worker Caste,' Hölldobler and Wilson evaluate various explanations for how a non-reproductive caste of ant evolved.
Menstrupedia Comic: The Friendly Guide to Periods for Girls (2014), by Aditi Gupta, Tuhin Paul, and Rajat Mittal
Menstrupedia published the comic book Menstrupedia Comic: The Friendly Guide to Periods for Girls, hereafter Menstrupedia Comic, in July 2014 in India. Aditi Gupta, the founder of Menstrupedia and a women’s health activist, wrote Menstrupedia Comic while studying at the National Institute of Design in Gujarat, India, in 2013. Gupta worked alongside her husband, graphic designer Tuhin Paul, who provided the illustrations for the book. According to Menstrupedia, misconceptions and taboo surrounding menstruation in India prompted Gupta to develop the book.
Subject: Publications, Reproduction, Outreach
Ernest Everett Just (1883-1941)
Ernest Everett Just was an early twentieth century American experimental embryologist involved in research at the Marine Biological Laboratory (MBL) at Woods Hole, Massachusetts, and the Stazione Zoologica in Naples, Italy. Just was known for simple but elegant experiments that supported the "fertilizing" theory of Frank R. Lillie and served as an antagonist to Jacques Loeb's work with artificial parthenogenesis.
The Southern Gastric-Brooding Frog
The Southern Gastric-Brooding Frog (Rheobatrachus silus) was an aquatic frog that lived in south-east Australia. In 2002, the International Union for Conservation of Nature Red List declared the frog extinct, although no wild specimens had been reported since 1981. As the common name alludes to, the R.
Nicole Marthe Le Douarin (1930- )
Nicole Marthe Le Douarin was one of the first progressive female pioneers of developmental and embryological research. Some of her most notable and ground-breaking work involves grafting quail and chicken embryos together in order to study the developmental fate of each contributing embryo. Le Douarin was born in Brittany, France, on 20 August 1930. As an only child she was inspired by her mother, a school teacher at the time, to develop a passion for learning.
Rosalyn Sussman Yalow (1921-2011)
Rosalyn Sussman Yalow co-developed the radioimmunoassay (RIA), a method used to measure minute biological compounds that cause immune systems to produce antibodies. Yalow and research partner Solomon A. Berson developed the RIA in the early 1950s at the Bronx Veterans Administration (VA) Hospital, in New York City, New York. Yalow and Berson's methods expanded scientific research, particularly in the medical field, and contributed to medical diagnostics. For this achievement, Yalow received the Nobel Prize in Physiology or Medicine in 1977.
Ricardo Hector Asch (1947- )
Ricardo Hector Asch was born 26 October 1947 in Buenos Aires, Argentina, to a lawyer and French professor, Bertha, and a doctor and professor of surgery, Miguel. Asch's middle-class family lived among the largest Jewish community in Latin America, where a majority of males were professionals. After his graduation from National College No. 3 Mariano Moreno in Buenos Aires, Asch worked as a teaching assistant in human reproduction and embryology at the University of Buenos Aires School of Medicine where he received his medical degree in 1971.
"Health Status of Vietnam Veterans III. Reproductive Outcomes and Child Health" (1988), by the US Centers for Disease Control
In 1988, the US Centers for Disease Control published 'Health Status of Vietnam Veterans III. Reproductive Outcomes and Child Health,' which summarized part of the results of the Vietnam Experience Study commissioned by US Congress to assess the health of US Vietnam veterans. They published the article in the Journal of the American Medical Association. The most heavily used herbicide in the Vietnam, Agent Orange, had previously been found to contain a contaminant linked to birth defects in rats.
Stanley Cohen (1922- )
Stanley Cohen is a biochemist who participated in the discovery of nerve growth factor (NGF) and epidermal growth factor (EGF). He shared the 1986 Nobel Prize in Physiology or Medicine with Rita Levi-Montalcini for their work on the discovery of growth factors. His work led to the discovery of many other growth factors and their roles in development.
Studies in Spermatogenesis (1905), by Nettie Maria Stevens
Studies in Spermatogenesis is a two volume book written by Nettie Maria Stevens, and published by the Carnegie Institution of Washington in 1905 and 1906. In the books Stevens explains the research she conducted on chromosomal sex determination in the sperm and egg cells of insect species while at Bryn Mawr College, near Philadelphia, Pennsylvania. Studies in Spermatogenesis described early examples of chromosomal XY sex-determination.
Recombinant Gonadotropins Used in Fertility Treatments
First manufactured in 1988 by Serono laboratories, recombinant gonadotropins are synthetic hormones that can stimulate egg production in women for use in fertility treatments. Recombinant gonadotropins are artificially created using recombinant DNA technology, a technology that joins together DNA from different organisms. In vertebrates, naturally-occurring gonadotropins regulate the growth and function of the gonads, known as testes in males and ovaries in females.
Subject: Technologies, Reproduction
Marshall Henry Klaus (1927–2017)
Marshall Henry Klaus was a scientist and pediatrician who studied maternal-infant bonding in the twentieth century in the United States. Maternal-infant bonding is the psychological and chemical attachment between mother and infant. Klaus cofounded DONA International, an organization that trains birthing aides, called doulas, to provide physical and emotional support to laboring mothers. He also studied the differences between the layouts and quality of care provided in nurseries and birthing centers in different countries and compared them to those found in the United States.