OU Medicine Live Chat: ABCs of Cancer


Friday, May 8th at 10 a.m. 

We’ve all heard the term, but do you really know what cancer is?

Cancer is an abnormal growth of cells. Cancer cells rapidly reproduce despite restriction of space, nutrients, or signals sent from the body to stop reproduction. Cancer cells are often shaped differently from healthy cells, do not function properly, and can spread to many areas of the body.

OU Medicine Live Chat: Striking Back at Stroke

striking back at stroke

Friday, May 1st at 10 a.m. 

Each year, stroke claims 130,000 lives in the United States. That’s one death every four minutes in this country.

Stroke is a cardiovascular disease that affects the arteries leading to and within the brain. It occurs when a blood vessel that carries oxygen and nutrients to the brain is either blocked by a clot or bursts. When this happens, part of the brain cannot get the blood and oxygen it needs, so that part of the brain starts to die. Each year, 795,000 Americans suffer stroke.

Shining a New Light on Ovarian Cancer Treatment

Thursday, April 23, 2015, 1 p.m.

New $1.5 Million Grant Funds Research Aimed at Better Treatment with Fewer Side Effects

A new $1.5 million grant to researchers at the Stephenson Cancer Center at the University of Oklahoma Health Sciences Center will advance work focused on an illuminating new treatment for ovarian cancer.

OU Medicine Live Chat: Prenatal Tests: What Do They Mean?


Friday, April 24th at 10 a.m.

No prenatal test can guarantee a woman that her baby will be perfect, but gene testing can reassure some while preparing others for the birth of a child with serious medical problems.

When a woman has had five miscarriages and one of her two children is born with birth defects, she needs some answers, especially when she discovers she is pregnant again.

Melanoma's Achilles Heel

April 22, 2015 

OU team assists in research focused on promising new cancer-fighting approach

We get vaccinated to keep from getting sick. Now, new research shows vaccines may prove powerful in the fight against cancer too.

The vaccines, in this instance, are personalized for each patient, designed to generate a powerful immune response against unique mutations in his or her own melanoma tumor cells. Figuring out which mutations to target fell to a team of researchers at the University of Oklahoma Health Sciences Center, headed by William Hildebrand, Ph.D., a member of the Stephenson Cancer Center and George Lynn Cross Research Professor of Microbiology and Immunology at the OU College of Medicine. 

The work started with colleagues in St. Louis who used genomics to find genetic mutations within the cells of the tumor but not in the patient’s healthy cells. They uncovered thousands of cancer mutations. 

melanoma-vaccine-research-for-webThat’s where the OU researchers stepped in. Hildebrand and other OU researchers zeroed in on proteins unique to melanoma cells that would betray the cancer cells very existence.  

“This is a different approach that says we know what is specific to your particular tumor. That’s what we are going to target,” Hildebrand explained.  “But if you have all of these mutations in the DNA of your tumor, which of these mutations can we target?  Which of these mutations reveals itself on the surface of a tumor cell so you can focus the immune response to it with a vaccine, in this instance?”

Using specific tests and computer algorithms, Hildebrand’s team was able to predict and test which of the many mutations in the tumor cells would provide the best vaccine targets.

With the targets developed at the OU Health Sciences Center, co-investigators at Washington University used immunotherapy techniques to create a customized vaccine for each patient – much like a personalized smart-missile system inside the body.  Early data reveals a revved up immune response to the tumor cells. More study is needed, but researchers believe the approach and the results are promising.

“This is an early generation of this research,” Hildebrand said.  “We are going to get better and better at finding this population of targets and then selecting the specific targets to address the tumor.”

Hildebrand added that it’s an approach that may also work for other types of tumors. 

About the Stephenson Cancer Center
Oklahoma’s only comprehensive academic cancer center, the Stephenson Cancer Center at the University of Oklahoma is a nationally noted leader in research and patient care. The Stephenson Cancer Center annually ranks among the top five cancer centers in the nation for patients participating in National Cancer Institute-sponsored clinical trials, and it is one of 30 designated lead centers nationally in the Institute’s National Clinical Trials Network. In collaboration with the Oklahoma Tobacco Settlement Endowment Trust, the Stephenson Cancer Center is decreasing the burden of cancer in Oklahoma by supporting innovative laboratory, clinical and populations-based research. The Stephenson Cancer Center has 200 research members who are conducting over 100 cancer research projects at institutions across Oklahoma. This research is supported by $31.1 million in annual funding from the National Cancer Institute, the American Cancer Society and other sponsors.
About the University of Oklahoma Health Sciences Center
An internationally prominent faculty, state-of-the-art facilities and new technology combine to make the University of Oklahoma Health Sciences Center a leader in education, research and patient care. One of only four comprehensive academic health centers in the nation with seven professional colleges – Allied Health, Dentistry, Medicine, Nursing, Pharmacy, Public Health and Graduate Studies – the OU Health Sciences Center serves approximately 4,000 students in more than 70 undergraduate and graduate degree programs on campuses in Oklahoma City and Tulsa.
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