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Tumor in Biological News

The way you eat may affect your risk for breast cancer

... of serum factors that are involved in tumor development would possibly provide a way to ... provided greater protection from mammary tumor development than did the same overall degree of ... methods chronic and intermittent and tumor development beginning in 10-week old female mice ...

La Jolla Institute discovers novel tumor suppressor

... have discovered its previously unknown role as a tumor suppressor that may be important in ... function that no one knew it had -- as a tumor suppressor," said the La Jolla Institute's ... disease. The team determined that tumor production hinged on the PLC-beta 3's ability to ...

Nanoparticle-delivered 'suicide' genes slowed ovarian tumor growth

... ovarian cancer that has promise for targeting tumor cells and leaving healthy cells healthy," said ... of this technique, the researchers measured tumor volume before and after treatment. They found ... lifespan by nearly four weeks and suppressed tumor growth more effectively, and with minimal ...

A crystal ball for brain cancer?

... Survival rates drop even lower if the tumor returns. Conventional therapies produce little ... only 8 to 15 percent of patients survive without tumor growth six months after treatment. The UCLA ... the team saw requires an understanding of how the tumor creates an independent blood supply. Cancer ...

Study shows cancer vaccines led to long-term survival for patients with metastatic melanoma

... from Self-Renewing, Proliferating Autologous tumor Cells as Patient-Specific Anti-Tumor Vaccines in ... the patient's immune system to react against tumor stem cells or early progenitor cells that can ... observed following vaccination with irradiated tumor cells in 48 melanoma patients in a previous trial ...

Cancer's distinctive pattern of gene expression could aid early screening and prevention

... variety of cancers and blood disorders. Because tumor cells that result from aberrant changes shed ... Georgia Cancer Coalition Scholar. "Every single tumor that anybody has looked at has aberrant change in ... lot of things we don't know," Dr. Shi says. "A tumor is not only gaining methylation in certain areas ...

UCLA researchers discover new molecular pathway for targeting cancer, disease

... to the researchers. How LXR was able to inhibit tumor cell growth by impeding the Hh pathway was ... as to how we might be able to intervene with tumor formation," said Farhad Parhami, a professor of ... Hh signaling pathway is an important regulator of tumor formation, and these findings suggest that LXR ...

'Normal' cells far from cancer give nanosignals of trouble

... some distance from a malignant or premalignant tumor undergo molecular and other kinds of abnormal ... alterations occurred at some distance from the tumor and, importantly, could be identified by ... only in cancer cells but in cells far from the tumor site and are the same in at least three different ...

Dogs, humans, put heads together to find cure for brain cancer

... of four adult brain tumors -may not be as key for tumor formation as previously thought, and they've ... They believed that the deletion of NF2, with its tumor suppressing abilities, could trigger tumor growth. In looking at genetic changes across ...

Colorectal cancer

... genes that are disregulated both in the primary tumor and in its metastases. In the future, their ... when single cells break off from the primary tumor and spread to other body regions via the blood ... seldom feels pain or shows other symptoms, the tumor is frequently not discovered until it has already ...

Tumor suppressor gene in flies may provide insights for human brain tumors

... PP2A (protein phosphatase 2A) suppresses brain tumor formation and controls the balance of ... function. Instead, they effectively grew into a tumor mass. Dr. Wang's previous work had identified a protein kinase called Polo as a tumor suppressor. Because phosphatases like PP2A ...

Caltech researchers explore how cells reconcile mixed messages in decisions about growth

... a protein called E-cadherin, which is a tumor suppressor protein that promotes adhesion of one ... as a sort of switch that, when present, prevents tumor formation and, when absent, results in cell ... inhibition to promote unbridled cell division and tumor growth. "This tunability of the threshold ...

Research uncovers clues to virus-cancer link

... herpesvirus (KSHV) is not only present in every tumor cell, but that the cells also transcribe ... miRNA biomarkers accurately identify stages of tumor progression. They found that certain miRNAs were ... the cancer's growth. More aggressive tumor stages expressed higher levels of KSHV miRNA. ...

UCLA cancer researchers develop model that may help identify cancer stem cells

... for decades. In one theory, all the cells of a tumor are the same, with an equal capacity to divide ... theory holds that only a few, select cells from a tumor have the ability to initiate a new tumor - the cancer stem cells. In the last decade, ...

Tips from the American Journal of Pathology

... patients with poor clinical outcome. In addition, tumor onset in mice was accelerated in the absence of ... Caveolin-1 may therefore function as a tumor suppressor in the stromal microenvironment and ... stromal Cav-1 functions to directly suppress tumor growth, and uncovering the factors which regulate ...

LSUHSC research describes function of key protein in cancer spread

... . During the transition from a localized tumor to metastatic disease, cancer cells acquire the ... at distant points in the body. "Because tumor metastasis leads to a poor prognosis and ... and invasion processes that occur during tumor metastasis. The research team focused on the ...

Tumor growth and chemo response may be predicted by mathematical model

... molecular and cellular levels could shed light on tumor development and lead to better treatments. ... at Houston, demonstrated the predictability of tumor growth in brain cancer and chemotherapy response ... developed by Cristini's lab works by defining tumor biologic and molecular properties relating to ...

Computer model predicts brain tumor growth and evolution

... mass, and it has allowed researchers to recreate tumor growth in a computer. Through subsequent ... brain tumors, or "gliomas," and can now watch tumor growth on a computer screen. Creating such a ... a number of equations describing the process of tumor evolution and growth. The master computational ...

MIT’s implantable device offers continuous cancer monitoring

... are accurate but only offer a snapshot of the tumor at a single moment in time. Monitoring a tumor for weeks or months after the biopsy, tracking ... reported that their device successfully tracked a tumor marker in mice for one month. The work is ...

From cars to cancer: UH professor employs auto industry tools for tumor therapy

... therapy. "We aim to better understand tumor deformations using geometric and statistical ... is used to collect information with respect to tumor size, location and volume," he said. "But the CT ... and they may be "too good to be true." "A tumor shrinks as it responds to the treatment," Dong ...

Hebrew University researchers neutralize tumor growth in embryonic stem cell therapy

... the researchers analyzed the genetic basis of tumor formation from human embryonic stem cells and ... of the cells could minimize the chances of tumor formation, but the researchers caution that a ... to address the major safety concerns regarding tumor formation by human embryonic stem cells. ...

Lithium may help radiation target cancer, spare healthy tissue

... DNA repair in healthy cells but not in brain tumor cells. The findings suggest that lithium ... damage is unclear. Radiation kills tumor cells by damaging their DNA, but it can also ... the mechanisms of DNA repair in normal cells and tumor cells, suspected that lithium might affect how ...

New early detection studies of lung cancer in non-smokers launched today

... non-smokers with lung cancer have different tumor tissue structure, gene mutations, and demographic ... the EDRN. The NCI-EDRN will fund most of the tumor studies, and the Canary Foundation will provide ... Analysis of Lung Cancer Cell Lines (PI: Hanash) tumor biomarker discovery: Biomarker Discovery for Lung ...

Publication sets guidelines across cancer therapies: Ensuring the best in patient management

... level. In the past, collecting information about tumor response in a structured and meaningful format ... of the various techniques developed to monitor tumor response to these drugs have proven to be ... shown to improve response assessment in several tumor types, such as lymphoma, and a variety of ...

A longer lasting tumor blocker

... studies in mice show that when treatment stops, tumor growth rapidly resumes. Now, Yoshiaki Kubota and ... a different molecule, called M-CSF, suppressed tumor growth even after treatment was stopped. ... Three weeks of anti-VEGF treatment suppressed tumor growth but, similar to other recent reports, the ...

Microparticle immune response modifier shows broad effects against recurrent or metastatic cancer

... showed that MIS416 significantly inhibited tumor growth and the formation of metastases when ... When administered as an adjunct to localized tumor irradiation, MIS416 also demonstrated synergistic ... the reintroduction of previously harvested tumor antigens. This successful induction of adaptive ...

Peregrine's PS-targeting antibodies highlighted in AACR Annual Meeting studies

... selectively destroy the blood vessels supporting tumor growth and spread and also to reverse the ability ... facilitate an important cytokine shift in the tumor environment that subsequently encourages multiple ... that in vitro, anti-PS antibodies stimulate the tumor microenvironment to recruit monocytes and other ...

TGen researchers discover possible way to block the spread of deadly brain tumors

... time to survive. "Controlling the actions of tumor cells by regulating NHERF-1 implicates it as a ... as a 'molecular switch' that regulates the GBM tumor cell's ability to migrate or divide,'' said Dr. ... surgically and ensure that all of the invading tumor cells are gone, even when surgery is followed by ...

SIRT1 takes down tumors

... protein SIRT1. By speeding the destruction of the tumor promoter c-Myc, SIRT1 curbs cell division. The ... chops off acetyl groups, which can inactivate the tumor suppressor p53. Yuan et al. determined SIRT1's ... its breakdown. To test SIRT1's effects on tumor growth, the researchers implanted cancerous cells ...

UNC study: Scientists identify chemical compound that may stop deadly brain tumors

... how a particular gene mutation contributes to tumor growth. The findings and potential treatment apply to a type of brain tumor called secondary glioblastoma multiforme (GBM). ... of the journal Science . In experiments with tumor cells, the researchers reversed the effects of a ...

How tumor cells move

... which inhibits the movement and spread of tumor cells in laboratory tests. When the factor's ... Focus on particularly aggressive cancers tumor cells are extremely mobile and "adept" at ... Robert Grosse. "If there is too little SCAI in tumor cells, then b1-integrin is overactive, so to ...

Novel lung cancer vaccine shows promise in fighting early-stage lung cancer

... immune system to identify and attack specific tumor cells is showing new promise for the treatment of ... ultimately die of lung cancer. "Adding the tumor vaccine to surgery has the potential to boost the ... chemotherapy treatment either because of their tumor stage or other co-morbidities such as their age ...

Fluorescent cancer cells to guide brain surgeons

... normal brain tissue and, in addition, individual tumor cells can form satellites in surrounding tissue. Therefore, it is almost impossible to remove the tumor tissue completely by surgery. Yet, radical surgical removal of the tumor would substantially improve the prognosis of ...

UC Davis researchers identify a protein that may help breast cancer spread, beat cancer drugs

... release of breast cancer cells from the primary tumor and then inhibiting their death." Muc4 is ... now preparing to test metastasizing breast cancer tumor cells for the overexpression of Muc4. "If we ... is also expressed in pancreatic, lung and ovarian tumor cells. "Muc4 is likely a central cellular ...

Skin cancer study uncovers new tumor suppressor gene

... have identified a gene that suppresses tumor growth in melanoma, the deadliest form of skin ... and other key enzymes play a functional role in tumor growth and spread of the disease. tumor suppressor genes encode proteins that normally ...

Mayo Clinic researchers discover and manipulate molecular interplay that moves cancer cells

... new insight into mechanisms that allow invasive tumor cells to move, researchers at the Mayo Clinic ... kinase D1 (PKD1) is key to the ability of a tumor cell to "remodel" its structure, enabling it to ... The researchers found that if PKD1 is active, tumor cells cannot move, a finding they say explains ...

Gorilla gets MRI at Bronx Zoo

... Wildlife Conservation Society thanks The Brain tumor Foundation and its "Road To Early Detection" ... seek out a neurological diagnosis. The Brain tumor Foundation responded to WCS's request for ... signs. "Thanks to the generosity of The Brain tumor Foundation, we were able to perform an MRI of ...

New drug agent knocks out multiple enzymes in cancer pathway

... that is about 200 times more active in killing tumor cells than similar drugs used in recent clinical ... design drugs to inhibit cell survival pathways in tumor cells, focusing on a protein called Ras since ... that would inhibit multiple enzymes in the tumor cell survival pathway, rather than just one, an ...

Molecular fingerprints point the way to earlier cancer diagnosis and more targeted treatment

... have the tools in hand to really say that this tumor will spread to other organs or not." says the ... confidence that what you are stating about the tumor is true. Our goal is to develop such a panel and ... including sarcosine, linked to increased tumor progression. A total of 89 metabolites were ...

Lombardi research: Monoclonal antibodies primed to become potent immune weapons against cancer

... they have appeared to primarily work by forcing tumor related receptors to shut down pro-growth ... that is short-lasting and which directly kills tumor cells, and a long-lasting "memory" response that ... "This one-two punch would anticipate how the tumor changes over time and cut off the cancer's escape ...
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