This thesis answers the following question: How does the history of cervical cancer show that prevention helps reduce rates of cancer-related deaths among women? By studying the history of cervical cancer, people can understand how a cancer that was once one of the top killers of women in the US has declined to become one of the lowest through the establishment of and effective communication of early prevention and diagnostics, both among the general public and within the medical community itself. This thesis is organized based on key episodes which were pertinent to the history of cervical cancer, primarily within the United States and Europe.
To address the progression of immune-related constraints on organ transplantation, the first part of this thesis contains a historical analysis tracing early transplant motivations and the events that led to the discoveries broadly related to tolerance, rejection, and compatibility. Despite the advancement of those concepts over time, this early history shows that immunosuppression was one of the earliest limiting barriers to successful organ transplantation, and remains one of the most significant technical challenges. Then, the second part of this thesis determines the extent at which interspecies blastocyst complementation could satisfy modern technical limitations of organ transplantation.
In 2006, United States pharmaceutical company Merck released the Gardasil vaccination series, which protected recipients against four strains of Human Papillomaviruses, or HPV. HPV is a sexually transmitted infection which may be asymptomatic or cause symptoms such as genital warts, and is linked to cervical, vaginal, vulvar, anal, penile, head, neck, and face cancers. In 2006, based on research conducted by researchers Ian Frazer and Jian Zhou in the 1990s, Merck released a four-strain version of Gardasil, which protected boys and girls aged nine and older against the major HPV strains HPV-6, HPV-11, HPV-16, and HPV-18. In 2014, Merck released Gardasil 9, a nine-strain version that protected from the original four HPV strains plus strains HPV-31, HPV-33, HPV-45, and HPV-58. Gardasil is a preventative measure and reduces the risk of contracting HPV and HPV-related cancers by up to ninety-seven percent.
On 20 August 2007, in Frazer v. Schlegel, the United States Court of Appeals for the Federal Circuit decided that researchers Ian Frazer and Jian Zhou owned the rights to the vaccine patent for Human Papillomavirus, or HPV, instead of a research team led by Richard Schlegel. Frazer v. Schlegel reversed the decision that the Board of Patent Appeals and Interferences had previously made, awarding the patent to Schlegel on the basis that Frazer’s patent application contained inaccurate science. However, once appealed, the Federal Circuit judges found Frazer’s science to be accurate, granting him rights to the vaccine patent. In 2006, the US Food and Drug Administration, or FDA, approved the first HPV vaccine, which has since been effective in protecting women from cervical cancer by up to ninety-seven percent if they were vaccinated before contracting HPV. The Circuit’s decision gave Frazer ownership of the patent for the HPV vaccine, which physicians have administered over 120 million doses of to people in the US.
In March 2006, scientists from Ghana and the UK Karen Edmond, Charles Zandoh, Maria Quigley, Seeba Amenga-Etego, Seth Oqusi-Agyei, and Betty Kirkwood published their findings that early, consistent breastfeeding habits for mothers in Ghana resulted in better survival outcomes for their infants. The authors communicated those results in the paper “Delayed Breastfeeding Initiation Increases Risk of Neonatal Mortality,” or “Delayed Breastfeeding,” published in The American Academy of Pediatrics. “Delayed Breastfeeding” was one of the first studies to examine the connection between early, consistent breastfeeding habits and infant survival. The information detailed in “Delayed Breastfeeding” supported and helped promote the World Health Organization’s 2015 Breastfeeding Advocacy Initiative, which revealed the risks associated with avoiding breastfeeding for both mothers and infants in countries around the world.
From 1936 to 1945, the Women’s Field Army, hereafter the WFA, educated women in the US on the early symptoms, prevention, and treatment of reproductive cancers. The WFA was a women-led volunteer organization and a branch of, what was then called, the American Society for the Control of Cancer, or ASCC. The WFA, headquartered in New York City, New York, recruited hundreds of thousands of women volunteers across the country. They distributed pamphlets, showed movies, and participated in other grassroots efforts to foster an understanding of reproductive cancers, namely breast and cervical cancer, among other women. The Women’s Field Army aided in reducing the number of cancer-related deaths by spreading cancer prevention awareness and teaching women about their reproductive health and the early detection of cancer, which was one of the first widespread educational resources about reproductive cancers for women.
In 2015, biologist Helena D. Zomer and colleagues published the review article “Mesenchymal and Induced Pluripotent Stem Cells: General Insights and Clinical Perspectives” or “Mesenchymal and Induced Pluripotent Stem Cells” in Stem Cells and Cloning: Advances and Applications. The authors reviewed the biology of three types of pluripotent stem cells, embryonic stem cells, or ESCs, mesenchymal stem cells, or MSCs, and induced pluripotent stem cells, or iPS cells. Pluripotent stem cells are a special cell type that can give rise to other types of cells and are essential for development. The authors describe the strengths and weaknesses of each type of stem cell for regenerative medicine applications. They state that both MSC and iPS types of stem cells have the potential to regenerate tissues among many other therapeutic possibilities. In their article, Zomer and colleagues review the potential for MSCs and iPS cells to reshape the field of regenerative and personal medicine.
Walter Schiller studied the causes of diseases in the US and Austria in the early twentieth century and in 1928, invented the Schiller test, or a way to diagnose early cervical cancer in women. Cervical cancer is the uncontrollable division of cells in the cervix, or lower part of the uterus. While living in Austria until his emigration to escape the Nazis in 1937, Schiller concluded that there was a form of cervical cancer, later named carcinoma in situ, that physicians could detect earlier than when tumors start to appear. To determine whether women exhibited that early form of cancer, Schiller stained women’s cervixes with a type of iodine that would stain healthy cervical tissue and not cancerous cervical tissue. Cervical cancer is more deadly to women when it is caught later in its progression, and was difficult to detect in Schiller's time. Schiller’s research enabled physicians to diagnose cervical cancer early, helping women receive treatment quicker and ultimately helping to popularize annual diagnostic exams in the US.