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FDA approves Gilead Sciences drug for three cancers

July 23, 2014 1:22 pm | by The Associated Press | News | Comments

The U.S. Food and Drug Administration on Wednesday approved a new cancer drug from Gilead Sciences Inc. to treat three types of blood cancer. Regulators approved the drug for patients with forms of chronic lymphocytic leukemia, follicular lymphoma and small lymphocytic lymphoma. The cancers affect an estimated 200,000 patients in the U.S., according to Gilead.

Scientists map one of the most important proteins in life—and cancer

July 21, 2014 9:26 am | News | Comments

In the U.K., researchers have revealed the...

Researchers uncover new cancer cell vulnerability

July 18, 2014 9:59 am | News | Comments

Yale School of Medicine and Yale Cancer Center researchers have uncovered a genetic...

Self-assembling nanoparticle could improve MRI cancer scanning

July 16, 2014 8:44 am | News | Comments

Scientists have designed a new self-assembling...

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Skin gel stops breast cancer growth without dangerous side effects

July 15, 2014 1:47 pm | by Marla Paul, Northwestern Univ. | News | Comments

Tamoxifen is an oral drug that is used for breast cancer prevention and as therapy for non-invasive breast cancer and invasive cancer. Seema Khan, a professor of surgery at Northwestern Univ., has found that is tamoxifen is used in gel form, it reduces the growth of cancer cells while minimizing dangerous side effects such as blood clots and uterine cancer.

Capturing cancer: A powerful, new technique for early diagnosis

July 15, 2014 8:28 am | by Richard Harth, Arizona State Univ. Biodesign Institute | News | Comments

Despite impressive medical strides, cancer remains a leading killer and overwhelming burden to healthcare systems, causing well over a half million fatalities per year with a projected cost of $174 billion by 2020, according to the National Cancer Institute. Reducing the human and economic toll will require diagnosis and intervention at early stages of illness, when the best prognosis for a cure exists.

DNA origami nano-tool provides important clue to cancer

July 7, 2014 9:26 am | News | Comments

Researchers in Sweden have headed a study that provides new knowledge about the EphA2 receptor, which is significant in several forms of cancer. The researchers employed the method of DNA origami, in which a DNA molecule is shaped into a nanostructure, and used these structures to test theories about cell signalling.

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Non-invasive advanced image analysis could lead to better patient care

July 2, 2014 3:40 pm | News | Comments

Obtaining evidence of genetic changes to make a cancer diagnosis usually requires a biopsy, which can be problematic for sensitive regions of the body such as the lungs. Based on recent review of patients with lung cancer, researchers have found that scanning the tumor cells with quantitative computed tomography based texture analysis (QTA) determines (with 90% accuracy) whether the patient's tumor had a cancer-causing gene mutation.

Scientists find potential new use for cancer drug

June 27, 2014 7:19 am | News | Comments

Scientists working to make gene therapy a reality have solved a major hurdle: how to bypass a blood stem cell’s natural defenses and efficiently insert disease-fighting genes into the cell’s genome. In a new study, a team of researchers report that the drug rapamycin, which is commonly used to slow cancer growth, enables delivery of a therapeutic dose of genes to blood stem cells while preserving stem cell function.

3-D mammogram scans may find more breast cancer

June 24, 2014 5:22 pm | by Lindsey Tanner - AP Medical Writer - Associated Press | News | Comments

3-D mammograms may be better at finding cancer than regular scans, a large study suggests, although whether that means saving more lives isn't known. The study involved almost half a million breast scans, with more than one-third of them using relatively new 3-D imaging along with conventional scans. The rest used regular mammograms alone.

Delivering drugs on cue

June 24, 2014 7:43 am | News | Comments

Current drug delivery systems used to administer chemotherapy to cancer patients typically release a constant dose of the drug over time, but a new study challenges this "slow and steady" approach and offers a novel way to locally deliver the drugs "on demand," as reported in the Proceedings of the National Academy of Sciences.

Breathalyzer test may detect deadliest cancer

June 18, 2014 4:04 pm | News | Comments

Lung cancer causes more deaths in the U.S. than the next three most common cancers combined, and the main reason is poor detection methods. A new device developed by a team of Israeli, American and British cancer researchers may turn the tide by both accurately detecting lung cancer and identifying its stage of progression. The breathalyzer test is embedded with a "NaNose" nanotech chip to literally "sniff out" cancer tumors.

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Nanoshell shields foreign enzymes used to starve cancer cells from immune system

June 17, 2014 11:24 am | News | Comments

Nanoengineers at UC San Diego have developed a nanoshell to protect foreign enzymes used to starve cancer cells as part of chemotherapy. Enzymes are naturally smart machines that are responsible for many complex functions and chemical reactions in biology. However, despite their huge potential, their use in medicine has been limited by the immune system, which is designed to attack foreign intruders.

New study aims to rapidly test lung cancer drugs

June 16, 2014 2:16 pm | by Marilynn Marchione - AP Chief Medical Writer - Associated Press | News | Comments

A bold new way to test cancer drugs started Monday. Like a medical version of speed dating, doctors will sort through multiple experimental drugs and match patients to the one most likely to succeed based on each person's unique tumor gene profile. Five drug companies, the government, private foundations and advocacy groups are taking part.

Antibodies from the desert act as guides to disease cells

June 13, 2014 8:19 am | News | Comments

Researchers have developed nanoparticles that not only bypass the body’s defence system, but also find their way to the diseased cells. The procedure uses fragments from a particular type of antibody that only occurs in camels and llamas. The small particles were even successful under conditions which are very similar to the situation within potential patients’ bodies.

Study: Red meat possibly linked to breast cancer

June 11, 2014 9:22 am | by Maria Cheng - AP Medical Writer - Associated Press | News | Comments

Women who often indulge their cravings for hamburgers, steaks and other red meat may have a slightly higher risk of breast cancer, a new study suggests. Doctors have long warned that a diet loaded with red meat is linked to cancers including those of the colon and pancreas, but there has been less evidence for its role in breast cancer.

Scientists reveal details of calcium “safety valve” in cells

June 9, 2014 8:18 am | by Karen McNulty Walsh, Brookhaven National Laboratory | News | Comments

Sometimes a cell has to die—when it's done with its job or inflicted with injury that could otherwise harm an organism. Conversely, cells that refuse to die when expected can lead to cancer. So scientists interested in fighting cancer have been keenly interested in learning the details of "programmed cell death." They want to understand what happens when this process goes awry and identify new targets for anticancer drugs.

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New clues to why older women are more vulnerable to breast cancer

June 6, 2014 10:56 am | by Dan Krotz, Lawrence Berkeley National Laboratory | News | Comments

Scientists from Lawrence Berkeley National Laboratory have gained more insights into why older women are more susceptible to breast cancer. They found that as women age, the cells responsible for maintaining healthy breast tissue stop responding to their immediate surroundings, including mechanical cues that should prompt them to suppress nearby tumors.

Short nanotubes target pancreatic cancer

June 6, 2014 10:45 am | by Mike Williams, Rice Univ. | News | Comments

Short, customized carbon nanotubes have the potential to deliver drugs to pancreatic cancer cells and destroy them from within, according to researchers at Rice Univ. and the Univ. of Texas MD Anderson Cancer Center. Pristine nanotubes produced through a new process developed at Rice can be modified to carry drugs to tumors through gaps in blood-vessel walls that larger particles cannot fit through.

Tech Aids Cancer Research

June 4, 2014 2:32 pm | by Lindsay Hock, Managing Editor | Thermo Fisher Scientific | Articles | Comments

Cancer is a group of diseases characterized by uncontrolled growth and spread of abnormal cells. The disease can be caused by both external and internal factors; and, if the spread isn’t controlled, it can result in death. The annual cancer statistics report from the American Cancer Society estimates there will be 1,885,540 new cancer cases and 585,720 cancer deaths in the U.S. for 2014.

“Quadrapeutics” works in preclinical study of hard-to-treat tumors

June 2, 2014 7:52 am | Videos | Comments

The first preclinical study of a new Rice Univ.-developed anticancer technology found that a novel combination of existing clinical treatments can instantaneously detect and kill only cancer cells without harming surrounding normal organs. The research reports that Rice’s “quadrapeutics” technology was 17 times more efficient than conventional chemoradiation therapy against aggressive, drug-resistant head and neck tumors.

Cancer, bioelectrical signals and the microbiome connected

May 28, 2014 8:37 am | by Kim Thurler, Tufts Univ. | News | Comments

Developmental biologists at Tufts Univ., using a tadpole model, have shown that bioelectrical signals from distant cells control the incidence of tumors arising from cancer-causing genes and that this process is impacted by levels of a common fatty acid produced by bacteria found in the tadpole and also in humans. 

“Nanodaisies” deliver drug cocktail to cancer cells

May 28, 2014 8:16 am | by Matt Shipman, News Services, North Carolina State Univ. | News | Comments

Biomedical engineering researchers have developed daisy-shaped, nanoscale structures that are made predominantly of anticancer drugs and are capable of introducing a “cocktail” of multiple drugs into cancer cells. The researchers are all part the joint biomedical engineering program at North Carolina State Univ. and the Univ. of North Carolina at Chapel Hill.

How the anticancer drug Taxol works

May 23, 2014 8:08 am | by Lynn Yarris, Lawrence Berkeley National Laboratory | News | Comments

A pathway to the design of even more effective versions of the powerful anticancer drug Taxol has been opened with the most detailed look ever at the assembly and disassembly of microtubules, tiny fibers of tubulin protein that form the cytoskeletons of living cells and play a crucial role in mitosis.

Chemists discover structure of cancer drug candidate

May 20, 2014 7:43 am | News | Comments

Chemists at The Scripps Research Institute have determined the correct structure of a highly promising anticancer compound approved by the U.S. Food and Drug Administration for clinical trials in cancer patients. The new report, published in Angewandte Chemie, focuses on a compound called TIC10.

Ultra-sensitive nanochip detects cancer early

May 19, 2014 1:02 pm | News | Comments

A new  “lab-on-a-chip” platform developed at the Institute of Photonic Sciences in Spain is capable of detecting detect very low concentrations of protein cancer markers, enabling diagnoses of the disease in its earliest stages. The device, just a few square centimeters in size, uses recent advances in plasmonics, nano-fabrication, microfluids and surface chemistry.

Herpes-loaded stem cells used to kill brain tumors

May 16, 2014 2:09 pm | News | Comments

Harvard Stem Cell Institute scientists have a potential solution for how to more effectively kill tumor cells using cancer-killing viruses. The investigators report that trapping virus-loaded stem cells in a gel and applying them to tumors significantly improved survival in mice with glioblastoma multiforme, the most common brain tumor in human adults and also the most difficult to treat.

Going beyond the surface

May 16, 2014 8:00 am | by Cory Nealon, Univ. of Buffalo | News | Comments

Photodynamic therapy (PDT) is an effective treatment for easily accessible tumors such as oral and skin cancer. But the procedure, which uses lasers to activate special drugs called photosensitizing agents, isn’t adept at fighting cancer deep inside the body. That could change because of a new technology that could bring PDT into areas of the body which were previously inaccessible.

The Bright Side of Fluorescence

May 14, 2014 8:49 am | by Takeharu Nagai, PhD, Osaka Univ., Japan | Photometrics | Articles | Comments

Fluorescent proteins have helped researchers open doors to countless molecular imaging applications and deepened our understanding of biological processes. Without fluorescence, advancements in oncology, drug discovery and any field that requires single-cell to whole-body imaging would be substantially limited.

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