Sandra Carson
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Sandra Ann Carson, M.D., is the principal innovator of the first artificial human ovary. This innovation was reported in the ''Journal of Assisted Reproduction and Genetics'', and recognized by ''
Time Time is the continued sequence of existence and events that occurs in an apparently irreversible succession from the past, through the present, into the future. It is a component quantity of various measurements used to sequence events, to ...
'' magazine as one of the top 10 medical breakthroughs in 2010. In this work, Carson, et al. introduced
theca cells In biology, a theca (plural thecae) is a sheath or a covering. Botany In botany, the theca is related to plant's flower anatomy. The theca of an angiosperm consists of a pair of microsporangia that are adjacent to each other and share a commo ...
donated by reproductive-age patients into "3-D Petri dishes" designed to resemble the sponge-like cells of a human ovary. In the lab, the cell types interacted with one another and functioned for all intents and purposes like a real ovary, even successfully maturing a human egg from its earliest stages in the follicle to a fully developed form. To build the ovary, honeycombs of theca cells were formed, one of two key types in the
ovary The ovary is an organ in the female reproductive system that produces an ovum. When released, this travels down the fallopian tube into the uterus, where it may become fertilized by a sperm. There is an ovary () found on each side of the body. ...
, donated by reproductive-age patients at
Women & Infants Hospital of Rhode Island Women & Infants Hospital of Rhode Island is a women and infants' hospital in Providence, Rhode Island. It is the primary teaching hospital in obstetrics, gynecology, and newborn pediatrics of the Warren Alpert Medical School at Brown University. ...
. Together with human egg cells, donated
granulosa cells A granulosa cell or follicular cell is a somatic cell of the sex cord that is closely associated with the developing female gamete (called an oocyte or egg) in the ovary of mammals. Structure and function In the primordial ovarian follicle, and l ...
were inserted into the honeycomb shape the theca cells formed. In days, the theca cells enveloped the granulosa and eggs, mimicking a real ovary. Clinically, the artificial ovary could play a significant role in the future, eventually yielding new
infertility Infertility is the inability of a person, animal or plant to reproduce by natural means. It is usually not the natural state of a healthy adult, except notably among certain eusocial species (mostly haplodiploid insects). It is the normal state ...
treatments for women by preserving the fertility of cancer patients, for example: immature eggs could be salvaged and frozen before
chemotherapy Chemotherapy (often abbreviated to chemo and sometimes CTX or CTx) is a type of cancer treatment that uses one or more anti-cancer drugs (chemotherapeutic agents or alkylating agents) as part of a standardized chemotherapy regimen. Chemotherap ...
or radiation, and then matured outside the patient in the artificial ovary. In parallel with this effort and a scientific first, Carson co-directed a research team by extracting information about
gene expression Gene expression is the process by which information from a gene is used in the synthesis of a functional gene product that enables it to produce end products, protein or non-coding RNA, and ultimately affect a phenotype, as the final effect. The ...
from fertile human egg cells without hurting them. In this work the team was able to sequence the transcribed genetic material, or
mRNA In molecular biology, messenger ribonucleic acid (mRNA) is a single-stranded molecule of RNA that corresponds to the genetic sequence of a gene, and is read by a ribosome in the process of Protein biosynthesis, synthesizing a protein. mRNA is ...
, in egg cells, in smaller structures pinched off from them called polar bodies. Polar bodies are nonfunctional and incapable of being fertilized. This new technique could ultimately give parents and doctors a preview of which eggs are likely to make the most viable
embryos An embryo is an initial stage of development of a multicellular organism. In organisms that reproduce sexually, embryonic development is the part of the life cycle that begins just after fertilization of the female egg cell by the male sper ...
.


Education

Carson earned her medical degree from Northwestern University Medical School. She is a diplomate of the American Board of Obstetrics and Gynecology with sub-specialty certification in reproductive endocrinology and infertility.


Career

Carson has more than three decades of experience as a scientist, clinician, and teacher, much of which has focused on the field of reproductive endocrinology. Carson has served as the chair of REI Board of the American Board of Obstetrics and Gynecology (ABOG) and chair of the US Food and Drug Administration (FDA) Advisory Committee for Reproductive Health Drugs. She currently serves as editor-in-chief of ''Sexuality, Reproduction and Menopause''. Carson most recently served as Vice President of Education with the
American Congress of Obstetricians and Gynecologists The American College of Obstetricians and Gynecologists (ACOG) is a professional association of physicians specializing in obstetrics and gynecology in the United States. Several Latin American countries are also represented within Districts of ...
(ACOG) and is an Adjunct Professor of Obstetrics and Gynecology at
Warren Alpert Medical School The Warren Alpert Medical School (formerly known as Brown Medical School, previously known as Brown University School of Medicine) is the medical school of Brown University, located in Providence, Rhode Island. Originally established in 1811, it ...
of
Brown University Brown University is a private research university in Providence, Rhode Island. Brown is the seventh-oldest institution of higher education in the United States, founded in 1764 as the College in the English Colony of Rhode Island and Providenc ...
, where she served as Director of the Division of Reproductive Endocrinology and Infertility from 2007-2014.


Public awareness

Dr. Carson serves as a news consultant for various television networks and contributor for print publications including: CBS,
CNN CNN (Cable News Network) is a multinational cable news channel headquartered in Atlanta, Georgia, U.S. Founded in 1980 by American media proprietor Ted Turner and Reese Schonfeld as a 24-hour cable news channel, and presently owned by the M ...
,
ABC ABC are the first three letters of the Latin script known as the alphabet. ABC or abc may also refer to: Arts, entertainment, and media Broadcasting * American Broadcasting Company, a commercial U.S. TV broadcaster ** Disney–ABC Television ...
, NBC, ''
20/20 Visual acuity (VA) commonly refers to the clarity of vision, but technically rates an examinee's ability to recognize small details with precision. Visual acuity is dependent on optical and neural factors, i.e. (1) the sharpness of the retinal ...
'', ''
Time Time is the continued sequence of existence and events that occurs in an apparently irreversible succession from the past, through the present, into the future. It is a component quantity of various measurements used to sequence events, to ...
'' magazine, ''
Parents A parent is a caregiver of the offspring in their own species. In humans, a parent is the caretaker of a child (where "child" refers to offspring, not necessarily age). A ''biological parent'' is a person whose gamete resulted in a child, a male t ...
'' magazine, and ''
Mademoiselle Mademoiselle (abbreviated as ''Mlle'' or ''M'') may refer to: * Mademoiselle (title), the French-language equivalent of the title "miss" Film and television * ''Mademoiselle'' (1966 film), a French-British drama directed by Tony Richardson * '' ...
''.


References

{{DEFAULTSORT:Carson, Sandra Living people American obstetricians Brown University faculty Feinberg School of Medicine alumni Year of birth missing (living people)