Peter Hofland, PhD's Blog Posts Tagged 'protein' (27)

European Commission Gives Conditional Marketing Authorization to Crizotinib for the Treatment of Adults with Previously Treated ALK-Positive Advanced Non-Small Cell Lung Cancer

The European Commission has given conditional marketing authorization for crizotinib (Xalkori®, Pfizer)in the European Union (EU) for the treatment of adults with previously treated anaplastic lymphoma kinase (ALK)-positive advanced non-small cell lung cancer (NSCLC). This ALK gene abnormality causes cancer development and growth. About 1% to 7% of those with NSCLC have the ALK gene abnormality. Patients with this form of lung cancer…

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Added by Peter Hofland, PhD on October 24, 2012 at 2:00pm — No Comments

Researchers Find Pathway Driving Cancer Signals: Protein May Represent a Switch to Turn Off B cell Lymphoma

Researchers studying the molecular signals that drive a specific type of lymphoma have discovered a key biological pathway leading to this type of cancer. Cancerous cells have been described as being "addicted" to certain oncogenes or cancer-causing genes, and the new research may lay the groundwork for breaking that addiction and effectively treating aggressive types of B cell lymphoma.



B cell lymphomas, which occur both in children and adults, are cancers that…

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Added by Peter Hofland, PhD on May 7, 2012 at 12:00am — No Comments

Oncolytics Biotech and NCIC CTG Sign Agreement for Randomized Phase II Study in Colorectal Cancer

Earlier today, Oncolytics Biotech Inc, a Calgary-based biotechnology company focused on the development of oncolytic viruses as potential cancer therapeutics, and NCIC Clinical Trials Group (CTG) at Queen's University in Kingston, Ontario, announced that they will collaborate in a randomized Phase II study of Reolysin® in patients with advanced or metastatic colorectal cancer.



This trial is a…

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Added by Peter Hofland, PhD on May 3, 2012 at 10:00am — No Comments

DNA-targeting Molecule for Gene Correction, Gene Therapy and Gene Modification Show Promise as a Potential Therapy

Researchers at Fred Hutchinson Cancer Research Center have solved the three-dimensional structure of a newly discovered type of gene-targeting protein that has shown to be useful as a DNA-targeting molecule for gene correction, gene therapy and gene modification. The findings are published online in Science Expresson January 5,…

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Added by Peter Hofland, PhD on February 5, 2012 at 4:30pm — No Comments

Study Shows Erythropoietin May be Involved in Origin and Spread of Cancer

Researchers at Karolinska Institutet have demonstrated that a growth hormone, PDGF-BB, and the blood protein EPO are involved in the development of cancer tumours and that they combine to help the tumours proliferate in the body. These new preclinical findings offer new potential for inhibiting tumour growth and bypassing problems of resistance that exist with many drugs in current use. The results are published in the scientific journal…

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Added by Peter Hofland, PhD on December 5, 2011 at 5:30pm — No Comments

Study Finds Potential Therapy for Radiation Sickness

Researchers have found the identification of a safe, effective treatment to mitigate toxicity after extensive radiation exposure to be challenging. Today, only a limited number of investigational drug candidates have emerged. However, according to a study led by scientists from Dana-Farber Cancer Institute and Children's Hospital Boston, a combination of two…

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Added by Peter Hofland, PhD on November 23, 2011 at 5:00pm — No Comments

Predicting the Effectiveness of Chemotherapy Agents - Researchers Rewrites Old Theory of Why Thereapies Works

Challenging a half-century-old theory about why chemotherapy agents target cancer, scientists at Dana-Farber Cancer Institute have devised a test that can predict how effective the drugs will be by determining whether a patient’s tumor cells are already “primed” for death.



In a study published online by the journal Science on October 27, 2011…

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Added by Peter Hofland, PhD on October 27, 2011 at 5:00pm — No Comments

Genetic Difference Could Explain Higher Rates of Prostate Cancer and Mortality in African-American Men

Genetic differences in prostate cells seem to be a root cause of the prostate cancer disparities between African-American men and white men, according to findings presented at the Fourth AACR Conference on The Science of Cancer Health Disparities, held in Washington DC, September 18-21, 2011.



Prostate cancer is the second most common cancer among U.S. men, with occurrences and mortality rates higher in African-American men compared to white men. “There are…

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Added by Peter Hofland, PhD on September 20, 2011 at 11:00am — No Comments

Merkel Cell Polyomavirus Responsible for Rare Skin Cancer - Narrowing Possible Treatments

Scientists at the University of Pittsburgh Cancer Institute have begun to uncover how the virus that causes most Merkel cell carcinoma (MCC) – a rare and aggressive skin cancer – operates, meaning that a rational chemotherapeutic target for this cancer could be developed in the near future.



Patrick Moore, M.D., M.P.H., an American Cancer Society…

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Added by Peter Hofland, PhD on September 15, 2011 at 11:00am — No Comments

Study Shows Definitive Proof of COTI-2 Target and Single Agent Effectiveness

Results a recent clinical trial confirm that COTI-2, a novel small molecule that acts by inhibiting Akt/PKB (Protein kinase B) phosphorylation leading to caspase-9 activation in cancer cells resulting in tumor cell death, is a promising new targeted therapy candidate. The trial clearly demonstrated that COTI-2 can significantly inhibit the growth of cancer cells that over express Akt/Akt2, which is a key component of the PI3K/Akt/mTOR

signaling pathway and is involved in cell…
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Added by Peter Hofland, PhD on August 16, 2011 at 9:30am — No Comments

Scientists Identify Essential Signaling Molecule Guiding Balanced T Cell Differentiation

Researchers at St. Jude Children's Hospital have identified a signaling molecule that functions like a factory supervisor to ensure that the right mix of specialized T cells is available to fight infections and guard against autoimmune disease.



The research also showed the molecule, phosphatase MKP-1, is an important regulator of immune balance. Working in laboratory cell lines and mice with specially… Continue

Added by Peter Hofland, PhD on July 22, 2011 at 8:30am — No Comments

Algorithm Helps Researchers Find Genetic Mistakes Fueling Cancer - Advancing Understanding

An unique and dramatically better computer tool for finding the genetic missteps that fuel cancer has been developed by a team of researchers of the St. Jude Children's Research Hospital in colaboration with Washington University Pediatric Cancer Genome Project investigators.



Researchers are using… Continue

Added by Peter Hofland, PhD on June 12, 2011 at 10:00am — No Comments

Abraxane in Combination with Carboplatin Significantly Improves Overall Response in NSCLC

Final Phase III data from clinical trial with Abraxane® (paclitaxel albumin-bound particles for injectable suspension developed by Celgene Biopharmaceuticals) in combination with carboplatin in patients with advanced non-small cell lung cancer (NSCLC)shows significantly improved overall response rate for patients receiving the drug combination.



The…

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Added by Peter Hofland, PhD on June 6, 2011 at 11:00am — No Comments

Scientists Discover Novel Drug Target for Squamous Cell Carcinoma

Researchers at the Fred Hutchinson Cancer Research Center have discovered a new drug target for squamous cell carcinoma – the second most common form of skin cancer. Scientists in the laboratory of Valeri Vasioukhin, Ph.D., have found that a protein called alpha-catenin acts as a tumor suppressor and they also have unlocked the mechanism by which this protein controls cell proliferation.



The findings by… Continue

Added by Peter Hofland, PhD on May 19, 2011 at 3:30pm — No Comments

Investigational Personalized Medicine Showed Promising Phase II Results in Lung Cancer

Final results from a randomized, multicenter, double-blind Phase II study with MetMAb, Genentech's investigational personalized medicine, in people with previously treated advanced non-small cell lung cancer (NSCLC)seems to indicate that the treatment may offer a beneficial treatment.



MetMAb is a unique monovalent or one-armed investigational antibody designed to target Met, a protein (or receptor) associated… Continue

Added by Peter Hofland, PhD on May 18, 2011 at 9:00pm — No Comments

Researchers Discovers Key to Fighting Drug-Resistant Leukemia

Doctors who treat children with acute lymphoblastic leukemia, the most common form of childhood cancer, are often baffled at how sometimes the cancer cells survive their best efforts and the most powerful modern cancer drugs.



Now a team of scientists led by researchers at the University of California, San Francisco (UCSF) have uncovered the basis for this drug resistance: BCL6, a protein that leukemia cells… Continue

Added by Peter Hofland, PhD on May 18, 2011 at 6:30pm — No Comments

Genetic Mutation May Help Cancer Resist Steroid Treatment And Lead to Relapsed ALL in Young Patients

Research led by scientists at the St. Jude Children's Research Hospital, an internationally recognized for its pioneering research and treatment of children with cancer, helped identify the gene as a potential marker of relapse risk and involved the most comprehensive search yet for genomic changes in relapsed childhood acute lymphoblastic leukemia (ALL).



Despite dramatically improved survival rates for… Continue

Added by Peter Hofland, PhD on March 9, 2011 at 10:00am — No Comments

Tumor Suppressor p53 Launches miR-200c to Reverse Epithelial-to-mesenchymal Transition Vital to Metastasis

Like a bounty hunter returning escapees to custody, a cancer-fighting gene converts organ cells that change into highly mobile stem cells back to their original, stationary state, researchers report online at Nature Cell Biology.



This newly discovered activity of the p53 gene offers a potential avenue of attack on breast cancer stem cells thought to play a central role in… Continue

Added by Peter Hofland, PhD on February 25, 2011 at 12:30pm — No Comments

German Research Shows How a Novel Mechanism in Inflammatory Hypercoagulation and Tumor Invasion has Broad Medical Implications

Thrombin is a key protease involved in blood coagulation, complement activation, inflammation, angiogenesis, and tumor invasion. Although induced in many (patho-)physiological conditions, the underlying mechanisms controlling prothrombin expression remained enigmatic.



Presented in the journal Molecular Cell, a new study provides insight how prothrombin expression is regulated… Continue

Added by Peter Hofland, PhD on February 17, 2011 at 10:30pm — No Comments

Breaking the Blood-Brain Barrier: Targeted Particle Fools Brain's Guardian to Reach Tumors

A targeted delivery combination selectively crosses the tight barrier that protects the brain from the bloodstream to home in on and bind to brain tumors, a research team led by scientists from The University of Texas MD Anderson Cancer Center reported in the January issue of the Journal of Clinical Investigation.



In experiments with…

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Added by Peter Hofland, PhD on February 1, 2011 at 4:30pm — No Comments

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