Sentences with phrase «types of tumors which»

Tumors such as the case of several benign types of tumors which are referred to as being encapsulated, are candidates for a surgical approach.
He says older cats do better than younger ones with this type of tumor which BTW has grown thru her scull.

Not exact matches

We're also making progress on our liquid biopsy program since our last update, including the recently announced collaboration with Memorial Sloan Kettering Cancer Center, which is focused on furthering the basic understanding of the biology of circulating tumor DNA, or ctDNA, in different cancer types.
Researchers from the University of Southampton have discovered a potential way of stopping one of the most aggressive types of brain tumor from spreading, which could lead the way to better patient survival.
One advantage of this method is that it only activates a certain type of immune cell, the dendritic cell or T - cell, and only in one part of the body, near the draining lymph nodes or tumor, which helps cut down on the system - wide side effects often seen with chemotherapy.
Frequent, low - dose chemotherapy regimens avoid this effect and may therefore be more effective at treating certain types of breast and pancreatic cancer, according to the murine study «Metronomic chemotherapy prevents therapy - induced stromal activation and induction of tumor - initiating cells,» which will be published online November 23 in The Journal of Experimental Medicine.
Consider Cushing's disease, in which any of several types of tumors produce astronomically high glucocorticoid levels.
«Each tumor type may acquire a unique set of capabilities that may provide tumor - specific growth and survival advantages, which may need to be determined for each kind of cancer.
Using tumor samples from a patient, they do lab tests to determine which substances can first make the different types of cancer cells uniform and then effectively kill them.
For each patient, the suitable combination treatment could then be designed, which, in the first step, would turn the variety of different tumor cells into a mass of cancer cells of the same type.
The study looked for two of the most common types of brain tumors — gliomas, which are often malignant, and meningiomas, which are more often benign — in people ages 20 to 79 in Denmark, Finland, Norway and Sweden between 1974 and 2003.
«If we can define which types of mutations and changes are the critical events driving tumor growth, we will be better equipped to identify the most appropriate treatments for individual cancers.»
Second, we believe the vaccine may be particularly beneficial for a group of patients with the HLA - A2 type, which suggests that as we move forward, there may be advantages in targeting this population,» said John Yu, MD, vice chair of the Department of Neurosurgery, director of surgical neuro - oncology, medical director of the Brain Tumor Center and neurosurgical director of the Gamma Knife Program at Cedars - Sinai.
In this rewriting of the textbooks, a tumor is not just a clump of aberrant cells; it also includes a support system, a tumor microenvironment, which encompasses a multitude of varying immune cell types and crisscrossing chemical signals, along with a network of blood vessels.
Philip Laipis of the University of Florida, who has also observed tumors in AAV vector - treated mice, agrees, at least for studies using a similarly high dose of AAV to target liver cells, which are more likely than other cell types to take up the AAV vector.
The researchers next will turn to analyzing the presence of myoferlin in samples from numerous human tumor types available in an Ohio State tissue bank, which will allow them to compare protein levels in tumors to clinical outcomes for the patients who provided the samples.
Through their analysis, the researchers determined the genetic alterations found in both the primary tumors and the metastases frequently were a type of genetic abnormality called a copy number alteration, which is when sections of DNA are repeated (i.e. duplicated).
In the new study, scientists built upon previous discoveries that a safe, non-reproducing vaccine strain of T. gondii could cure mice of several types of solid tumors, and identified which parasite proteins and which immunological pathways are required to break immune tolerance.
These are two pathways that are very commonly mutated in human tumors, and we try to understand where those pathways are mutated, which type of tumors, what are the mutations that co-occur with mutations in those pathways; and try to understand, if we try to inhibit those pathways, what can we expect in patients.
The researchers also note that more investigation is needed to fully understand all the mechanisms by which HOXC10 mediates cell proliferation and death, and the roles it may play in different types of tumors.
The mean age of the K: B fusion population was 7.4 years old, compared to 15.2 years old in the non-K: B population; 73 percent of the K: B PAs were found in the cerebellum, whereas 78 percent of the non-K: B PAs were found elsewhere; and non-K: B PAs were much more likely associated with co-occurrence of the disease Type 1 Neurofibromatosis, which can lead to the formation of additional tumors.
Scientists at Cedars - Sinai have developed a new way to identify which prostate cancer patients are likely to develop aggressive types of the disease even if their tumors at first appear to be lower risk.
In a study published today in the British Medical Journal, an international team led by Imperial College London and KU Leuven, Belgium describe a new test, called ADNEX, which can discriminate between benign and malignant tumors, and identify different types of malignant tumor, with a high level of accuracy.
«New tumor analysis method identifies high - risk prostate cancer: Cancer cells» genetic pathways show which patients are likely to develop aggressive types of the disease.»
Tumors are home to diverse immune cell types, some of which remain much less explored than T cells and could also control cancer progression» says Mikael Pittet, PhD, director of the Cancer Immunology Program in the MGH Center for Systems Biology and senior author of the Science paper.
Massachusetts General Hospital (MGH) investigators have identified a way in which a type of lung cancer co-opts a portion of the immune system to increase tumor progression.
«This aspect of the research is one of the most intriguing findings to come out of the TCGA program, which has been looking at more than 30 tumor types over the past decade.»
Low doses of aspirin, an anti-platelet drug, have been shown to reduce the risk of some types of gastrointestinal cancers, but the process by which aspirin hampers tumor growth has been unclear.
Using all the existing data that was available, Andrechek, along with MSU doctoral student Daniel Hollern, analyzed 1,172 mouse mammary tumor samples from 26 different preclinical models and was able to compile one of the largest databases to show which strains of mice were best suited to study a particular type of human breast cancer.
She estimates that about 50 percent of women with ovarian cancer have tumors with this type of tumor and would qualify for the trial, which needs about $ 2 million in philanthropic funding before it could begin.
In the Dec. 1 issue of Science, the team from the MGH Center for Systems Biology describes a «crosstalk» between lung tumors and bone marrow, which leads to the generation of a type of immune cell that travels to the tumor and promotes its progression.
Two case studies provide an important potential new avenue for treatment of these types of tumors, which are resistant to traditional radiation therapies and difficult to manage even with surgery, the current standard of care.
There are different types of glioma, classified according to an established system based on which cell type the tumor arises from.
Cells of the latter cancer types contain many DNA mutations, which are thought to make distinctive «neoantigens» that help the patient's immune system recognize and attack tumors, and make the cancer cells» «microenvironment» hospitable to tumor - fighting T cells.
The circuit, which can be customized to respond to different types of tumor, is based on the simple AND gates used in electronics.
By analyzing a dataset of human immune cells stimulated with interferon — a signaling protein created in response to pathogens or tumor cells — the team could precisely identify which genes were switched on in each of 13 responding cell types.
Different cell types exhibit characteristic patterns of DNA methylation which enable scientists to draw conclusions about a tumor's cellular origin.
Stereotactic body radiation is a newer type of radiation therapy which delivers higher doses of radiation to the tumor but spares the surrounding tissue.
The new test, which examines cancer - related DNA and proteins in the blood, yielded a positive result about 70 % of the time across eight common cancer types in more than 1000 patients whose tumors had not yet spread.
The tumor cells were all undifferentiated and hence provided a homogeneous peripheral field, in contrast to the cells of the normal limb bud, which were destined to differentiate into many types of tissue.
Interestingly, p21 - deficient mice did not develop T - cell lymphomas, which is one of the most common tumor types in p53 - null mice (36, 37, 38).
NCT02650986), which is open to adult patients with various types of advanced cancer whose tumors express NY - ESO - 1, or other clinical trials available at Roswell Park, please call 1 -800-ROSWELL (1-800-767-9355) or send an e-mail inquiry to [email protected].
These networks determine which type of medulloblastoma a tumor becomes.
It is interesting to note that p21 - deficient mice did not develop T - cell lymphomas, which is one of the most common tumor types in p53 - null and p19ARF - null mice (36, 37, 38, 42, 43).
«But we know that tumors generally develop from a single cell or a small number of cells of a specific cell type, which is one of the major determinants of the characteristics of tumor cells,» explains postdoctoral researcher and co-author Dinorah Friedmann - Morvinski.
Dr. Eng and team create scoring system to facilitate identifying individuals to be referred to PTEN gene testing Researchers have discovered a method for more precise identification of individuals who should undergo testing for genetic mutations of the tumor suppressor gene PTEN, which associates with a variety of conditions including several types of cancers.
Recent studies have described a subpopulation of cancer cells within tumors termed «cancer stem cells» (CSCs), which have stem - like properties such as self - renewal and the ability to differentiate into multiple cancer cell types [1 — 7].
Interestingly, when parental d42m1 sarcoma cells were transplanted into wild - type mice, around 20 % of recipients developed «escape» tumors which evaded immune destruction and progressed (escape clones).
Recent studies have described a subpopulation of cancer stem cells (CSC) within tumors, which have stem - like properties such as self - renewal and the ability to differentiate into multiple cell types.
The knowledge about how this cancer form arises and develops is still limited but new results from a research team led by Lene Uhrbom, Uppsala University / SciLifeLab, shows that disease progress and the malignancy are affected by the cell type from which the tumor originates as well as the age of the patient.
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