Sentences with phrase «involved in tumor»

Interestingly, the density of the bone that was not involved in the tumor remained very good.
But then, in 2006, researchers in Canada working with breast - cancer cells found that metformin increased the activity of an enzyme involved in tumor suppression, suggesting that the drug might fight cancer by working directly on cancer cells.
Miller said that other proteins anchored to the cell surface in a similar fashion are known to play roles in cell proliferation, suggesting a possible mechanism for how HYAL2 might be involved in tumor formation.
The data allowed the researchers to generate personalized genome - scale metabolic models for cancer patients to identify key genes involved in tumor growth.
Many cancers are still difficult to treat and development of drugs exploiting new pathways and mechanisms involved in tumor initiation and malignant growth is of high priority [1].
TKM - 080301 targets a specific gene called polo - like kinase 1 (PLK1), which codes for a protein involved in tumor cell growth.
«RNAi therapies are a unique approach to cancer treatment as they have the potential to «turn off» the genes» coding for proteins involved in cancer cell division,» said Ramesh K. Ramanathan, M.D., medical director of the Virginia G. Piper Cancer Center Clinical Trials Program at Scottsdale Healthcare and deputy director of the Clinical Translational Research Division of the Translational Genomics Research Institute (TGen) in Phoenix, Ariz. «Using a lipid nanoparticle, the RNAi drug can be delivered to a cancer cell to block the expression of specific proteins involved in tumor growth.»
Of note, several proteins involved in the tumor necrosis factor, or TNF, pathway increased in activity during the induction and execution phases.
Recent active research in miRNA identified a series of this type of molecules that are involved in tumor progression in various tumors as oncogenes and tumor suppressors (8, 9).
Understanding this in stem cells could further understanding on how these proteins are involved in tumor growth.
«Our work paves the way to discovering many more of these unusual RNAs and how they contribute to cancer, which could reveal new mechanisms and druggable pathways involved in tumor progression.»
Based on their results, Lu and her colleagues argue that the best strategy in such cases might be to use drug combinations that target multiple, parallel pathways involved in tumor development and maintenance.
Although BRCA1's role in tumor initiation is well known, the fact that it also seems to be involved in tumor progression comes as a surprise, says Eliot Rosen, a molecular biologist at Georgetown University in Washington, D.C.
«That implies that the mu - opioid receptor is somehow involved in tumor progression.»
Each factor involved in the tumor response — whether it is the speed with which chemotherapeutic drugs reach the tissue or the degree to which cells signal each other to grow — is characterized by a mathematical equation that captures its essence.

Not exact matches

Cancer: Flaxseed may protect against breast cancer, prostate cancer, and colon cancer by inhibiting tumor growth and blocking enzymes that are involved in the spread of tumor cells.
Revving up the immune system to combat a wide variety of tumor types may take cancer therapy in a new direction, says Khaled Barakat, a computational scientist at the University of Alberta in Canada, who was not involved in the study.
This additional information will help in the next steps of the research, which involve more detailed study of the PD - 1 at different points in its pathway and with different viral or tumor loads.
«Different mechanisms are involved in these two tumors, but they arrive at the same place,» Venneti says.
Several studies have supported a role for cancer stem cells in the aggressive brain tumors called glioblastoma, but those studies involved inducing human tumors to grow in mice, and as such their relevance to cancer in humans has been questioned.
Kuang is also involved in efforts to model various aspects of tumor growth and management as part of ASU's efforts on cancer research.
The theory that cancer progression involves the acquisition by tumor cells of features similar to those of stem cells has gained strength in the scientific community.
EDD1 is an E3 ubiquitin ligase involved in degrading cellular proteins, while TIP60 act as a tumor suppressor protein, and can both be found in the human body.
«It suggests there's a common mechanism in both species for susceptibility to tumor progression that may involve subversion of the host immune response.
For example, genes involved in suppressing tumor formation are turned off via epigenetic mechanisms, and genes involved in rapid growth and replication are turned on too high.
«Studies like the current one involving rhabdomyosarcoma are giving us a close - up look at the way cancer evolves in response to treatment,» said study co-author Richard K. Wilson, Ph.D., director of The Genome Institute at Washington University School of Medicine in St. Louis, where scientists have extensive expertise analyzing tumor recurrence using whole - genome sequencing.
Indeed, after Siddle added a squirt of interferon - gamma — a chemical messenger that activates numerous genes involved in producing MHC antigens — to cells cultured from devil tumors, the MHC genes functioned normally again, and the tumor cells» identity cards showed up, plain as day.
When researchers screened a library of more than 200 drugs and related compounds for activity against embryonal subtype tumor cells from three patients, the most promising results involved drugs that increased oxidative stress in tumor cells.
Different classes of MHC molecules exist and are involved in immunity against pathogens and tumor cells as well as the formation of immune tolerance to self - antigens.
The latter, presented by Eric Lander of the Broad Institute in Cambridge, Massachusetts, would systematically sequence tumor samples for mutations involved in cancer to speed up the search for new drugs and diagnostics.
Up until now, the removal of bowel tumors in the lesser pelvis (rectal cancers) involved a major, generally invasive operation.
«These findings reveal a unique fulvestrant signaling process involving the increased regulation of hsa - miR - 765 that suppresses the HMGA1 protein as part of the mechanism underlying the tumor suppressor action in prostate cancer.
They found that miR - 21 is degraded in a process that involves PAPD5, an enzyme known to be a tumor suppressor.
That pathway was already known to be involved in generating colorectal tumors.
Scientists knew Apc was involved in stifling tumor formation because most colon cancers find a way to turn the gene off.
In earlier studies involving animal models and human cancer cell lines, researchers found that breast cancer spreads when three specific cells are in direct contact: an endothelial cell (a type of cell that lines the blood vessels), a perivascular macrophage (a type of immune cell found near blood vessels), and a tumor cell that produces high levels of Mena, a protein that enhances a cancer cell's ability to spreaIn earlier studies involving animal models and human cancer cell lines, researchers found that breast cancer spreads when three specific cells are in direct contact: an endothelial cell (a type of cell that lines the blood vessels), a perivascular macrophage (a type of immune cell found near blood vessels), and a tumor cell that produces high levels of Mena, a protein that enhances a cancer cell's ability to spreain direct contact: an endothelial cell (a type of cell that lines the blood vessels), a perivascular macrophage (a type of immune cell found near blood vessels), and a tumor cell that produces high levels of Mena, a protein that enhances a cancer cell's ability to spread.
The tumors in Sand's lab might be explained by the high dose, the fact that the mice were newborns, and the type of mouse, suggests Kay, who was involved with a past clinical trial administering AAV to the liver to treat hemophilia.
Purushotham points out, «The feasibility of intraoperative CLI as shown in this study, in combination with the wide applicability of F -18-FDG across a range of solid cancers, provides a stepping stone for clinical evaluation of this technology in other solid cancer types that also experience incomplete tumor resection due to close or involved margins.»
When the researchers examined the cells and molecules involved in chronic contact allergy in mice, they identified several that already had been linked to tumor development.
In laboratory studies, daratumumab caused the targeted killing of CD38 - carrying tumor cells by several distinct and potent mechanisms, including some that involve the immune system.
The researchers determined that the children with otulipenia might respond to drugs that turned off tumor necrosis factor, a chemical messenger involved in systemic inflammation.
The minimally invasive test could reduce the need for the sometimes painful and risky procedures involved in sampling tumors, particularly those that reside deep within the body.
While in only the first months after treatment for tumors involving both vocal cords, the youth's voice has returned to near normal for a young man of his age.
Another important aspect of the green - light KTP laser approach, Zeitels adds, is that biopsy and treatment of patients whose cancer involves a single vocal cord usually can be accomplished in the same procedure, whereas radiotherapy requires a prior biopsy to determine the extent and location of the tumor, followed by daily radiation treatments over approximately six weeks.
This image shows a researcher measuring a tumor on one of the DFTD infected Tasmanian devils involved in the trial.
In experiments involving mice injected with human GBM cells, the scientists also demonstrated that if either PTEN or DAXX were eliminated, then tumor growth occurred.
miR - 184 is known to suppress tumor development by regulating a variety of genes involved in cancer growth, while SND1 has been shown to play a significant role in the development of breast, colon, prostate and liver cancers.
Both Tsigelny and Kurzrock agreed that this finding is an excellent example of the power of collaboration between SDSC and the Moores Cancer Center, and that such modeling needed to be studied across tumors and with multiple different genes involved in cancer.
In a retrospective case study involving published data on p53, an important tumor suppressor protein, the team showed that this new resource called the Knowledge Integration Toolkit (KnIT) is an important first step in that direction, accurately predicting the existence of proteins that modify p53 — proteins that were subsequently found to do just thaIn a retrospective case study involving published data on p53, an important tumor suppressor protein, the team showed that this new resource called the Knowledge Integration Toolkit (KnIT) is an important first step in that direction, accurately predicting the existence of proteins that modify p53 — proteins that were subsequently found to do just thain that direction, accurately predicting the existence of proteins that modify p53 — proteins that were subsequently found to do just that.
Drugs like fluorouracil, oxaliplatin and irinotecan work by mimicking and damaging DNA molecules, or inhibiting enzymes involved in cell and DNA replication, slowing the uncontrolled growth of tumor cells.
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