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Targeted treatment for ovarian cancer discovered

Date:
February 19, 2014
Source:
Women & Infants Hospital
Summary:
Researchers have developed a biologic drug that would prevent the production of a protein known to allow ovarian cancer cells to grow aggressively while being resistant to chemotherapy. This would improve treatment and survival rates for some women. "This is a tremendous discovery and could mean the difference between life or death for some women with ovarian cancer. This research is ground-breaking in the area of ovarian cancer." says one chief of obstetrics and gynecology.

Researchers at Women & Infants Hospital of Rhode Island have developed a biologic drug that would prevent the production of a protein known to allow ovarian cancer cells to grow aggressively while being resistant to chemotherapy. This would improve treatment and survival rates for some women.

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The work coming out of the molecular therapeutic laboratory directed by Richard G. Moore, MD, entitled "HE4 (WFDC2) gene overexpression promotes ovarian tumor growth" was recently published in the international science journal Scientific Reports, a Nature publishing group.

"We have known that the protein HE4 is present in women who have ovarian cancer," says Moore, who created the Risk of Ovarian Malignancy Algorithm (ROMA) to determine if a pelvic mass is cancerous based on the levels of HE4 and another protein. "What no one knew was why the protein is there or what activates it."

The WFCD2 gene produces a "messenger RNA" that encodes for the HE4 protein, not only imparting an aggressiveness to the tumor, enabling it to grow quickly, but also conveying a resistance to chemotherapy drugs used to treat the tumor.

"It plays a part in allowing the cancer to grow without restriction," Moore says. "We have determined that HE4 plays a part in allowing ovarian cells to become cancer cells, giving them the ability to grow and resist chemo."

Once they identified the function of the protein, Moore's research team was able to design a biologic drug that can prevent the messenger RNA gene from creating HE4. The novel biologic has been tested in cell and animal models, and the results are that the cancer does not grow as aggressively and responds to chemotherapy.

"We would give this biologic -- which has minimal side effects -- to any patient we identify through a blood test as producing HE4," he says, adding that oncologists have recognized that women with high levels of HE4 do not respond to treatment and their survival rates are lower. "This would be an individualized treatment that could increase survival rates of some women with ovarian cancer."

Moore and his team will continue testing the biologic drug, preparing for clinical trials in humans.

"This is a tremendous discovery and could mean the difference between life or death for some women with ovarian cancer," says Maureen G. Phipps, MD, MPH, chief of obstetrics and gynecology at Women & Infants. "Dr. Moore's research is ground-breaking in the area of ovarian cancer, and it's all happening in his laboratory in the Knowledge District of Providence."


Story Source:

The above story is based on materials provided by Women & Infants Hospital. Note: Materials may be edited for content and length.


Journal Reference:

  1. Richard G. Moore, Emily K. Hill, Timothy Horan, Naohiro Yano, KyuKwang Kim, Shannon MacLaughlan, Geralyn Lambert-Messerlian, YiTang Don Tseng, James F. Padbury, M. Craig Miller, Thilo S. Lange, Rakesh K. Singh. HE4 (WFDC2) gene overexpression promotes ovarian tumor growth. Scientific Reports, 2014; 4 DOI: 10.1038/srep03574

Cite This Page:

Women & Infants Hospital. "Targeted treatment for ovarian cancer discovered." ScienceDaily. ScienceDaily, 19 February 2014. <www.sciencedaily.com/releases/2014/02/140219102327.htm>.
Women & Infants Hospital. (2014, February 19). Targeted treatment for ovarian cancer discovered. ScienceDaily. Retrieved October 25, 2014 from www.sciencedaily.com/releases/2014/02/140219102327.htm
Women & Infants Hospital. "Targeted treatment for ovarian cancer discovered." ScienceDaily. www.sciencedaily.com/releases/2014/02/140219102327.htm (accessed October 25, 2014).

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