Sentences with phrase «tumor cells»

This means there is no microscopic signs of tumor cells in the tissue submitted for analysis.

The fat stored in your body can produce estrogen (which can also lead to breast cancer) or proteins that cause inflammation and insulin resistance, resulting in tumor cell growth.

The first stage of the trial, which involved an analysis of circulating tumor cells from a single blood draw of several dozen patients, has demonstrated strong potential.

Similarly, it may be possible to identify and validate new targets for drugs that would selectively kill tumor cells with a particular molecular context.

The primary cause of death from breast cancer is the spread of tumor cells from the breast to other organs in the body.

The researchers found that the injected DNA was taken up and expressed by tumor cells in four of the five patients.

In many cases cancers can be diagnosed by withdrawing a sample of tumor cells with a small needle, while in other cases a surgical biopsy may be performed.

For some cancer patients, viruses engineered to zero in on tumor cells work like a wonder drug.

The authors studied a standard panel of 60 established human tumor cell lines representing nine different human cancers, as well as several specimens of human primary ovarian cancer.

The findings, which come thanks to new insights about how tumor cells communicate with their environment, may also bring physicians closer to the goal of more personalized medicine.

The protein is also essential for tumor cells to remain alive and multiply.

This provided the first evidence that genes injected directly into human tumor cells can take hold, function and stimulate the immune system without toxicity.

Red or orange vegetables and fruits are rich sources of beta - carotene which are effective in reducing the growth of estrogen receptor positive and negative breast tumor cells.

For instance, imaging could be used in new cancer treatments in which the patient's own immune system is employed to target tumor cells.

For cancer patients, things go from bad to worse when tumor cells escape into the bloodstream.

The connection between tumor cells and nerves opens many new questions but also sheds light on some longstanding cancer pathology observations.

However, that could be because only tumor cells containing certain proteins that make them especially mobile are affected in this way.

Since then, numerous studies have addressed the effects of these compounds against tumor cells in vitro, in vivo and in first clinical studies [3, 4].

This is like a guided missile acting within tumor cells and activating the immune system cells that kill them.

They may also draw the attention of cells belonging to the innate immune system, such as natural killer cells, which can destroy tumor cells.

These modifications contribute to a tumor's ability to grow indefinitely, as well as making tumor cells drug resistant and capable of surviving treatments intended to kill them.

However, the mechanisms by which tumor cells interact to enhance the spread of cancer remained unclear.

Using newly developed software, researchers have shown that genes and molecular processes in breast cancer tumor cells are tightly linked to genes and processes in blood cells, including immune system cells.

That increased tendency to be mobile aids in the escape from, for example, the lungs and allows tumor cells to survive travel through the bloodstream and dock at organs throughout the body.

As a result of these mutations, tumor cells grow faster, thus potentially leading to the quicker development of cancer.

They also found that more of the drug was available to attack tumor cells.

Capture experiments were also performed on whole blood samples, and the capture efficiency was in a high range of 81 - 95 %, at different tumor cell concentrations.

DNA mutations cause tumor cells to grow out of control, but they also generate variety that enables organisms to adapt to their environments and evolve.

The process binds an originally inactive form of drug chemotherapy, with an enzyme, to prostate cancer - specific proteins on tumor cell surfaces and detects the drug's absorption into the tumor.

Images show tumor cells in a mouse brain at different days.

While these mutations do not directly relate to the development or progression of a tumor, they can reveal its lineage — how individual tumor cells are related to each other.

Just as no two people possess the same genetic makeup, a recent study has shown that no two single tumor cells in breast cancer patients have an identical genome.

If tumor cells are found in this blood sample, that would mean the patient is not responding to the cancer treatment.

Researchers found no evidence that mouse tumor cells develop resistance to the drugs.

Individual profiles based on the analysis of each patient's tumor cells revealed clinically relevant information that could be used to prioritize the drugs most likely to be effective in these cases.

That is, they are rich in blood vessels to supply the nutrients that the fast - growing tumor cells require.

Much of the research into tumor cell migration, however, has represented the tissue as a solid gel.

Nearly all of the cancer cells died as a result, but a residual population of tumor cells survived and became dormant.

Even after tumor cells were introduced to the vaccinated mice, all the test mice survived for at least two months, and 87 percent did not develop any tumors.

Like tumor cells, fetal cells are foreign to the body.

Today his company is developing a new cancer vaccine technology that teaches immune cells how to recognize and remove tumor cells.

The tumors are actually filling up with T cells, so if you biopsy them you find there are no living tumor cells in there.

However, tumor cells frequently have either too few or too many chromosomes, leading to the incorrect expression of a number of genes.

In contrast to other cultured cells, such tumor cells can divide indefinitely and a cell line can therefore be cultured for many years.

In humans, this mutation hyper - activates tumor cell growth, telling cancer cells to grow continuously.

This could give doctors a way to perform «personalized medicine» in which they test various treatment options against a patient's own tumor cells.

If enough heat is conducted, tumor cells near the tubes begin to shrink and die.

The number of extracted tumor cells allows conclusions to be drawn with respect to the success of therapy and the future course of the disease.