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CytRx Drug Candidate INNO-206 Results In Ovarian Tumor Shrinkage In Animal Trials
CytRx Corporation (NASDAQ: CYTR), a biopharmaceutical research and development company engaged in the development of high-value human therapeutics, announced that results demonstrating that its cancer drug candidate INNO-206 caused statistically significant tumor shrinkage in an animal model of ovarian cancer have been accepted for publication in the peer-reviewed journal Investigational New Drugs. The manuscript based on this animal trial, "INNO-206, the (6-maleimidocaproyl hydrazone derivative of doxorubicin), shows superior antitumor efficacy compared to doxorubicin in different tumor xenograft models and in an orthotopic pancreas carcinoma model," was made available ahead of journal printing in electronic format in the January 8, 2009 on-line issue of Investigational New Drugs.
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Schizophrenia: A Genetic Basis
Schizophrenia is a severely debilitating psychiatric disease that is thought to have its roots in the development of the nervous system; however, major breakthroughs linking its genetics to diagnosis, prognosis and treatment are still unrealized. Jill Morris, PhD assistant professor of Pediatrics at Northwestern University"s Feinberg School of Medicine and a researcher in the Human Molecular Genetics Program of Children"s Memorial Research Center studies a gene that is involved in susceptibility to schizophrenia, Disc1 (Disrupted-In-Schizophrenia 1). Two recent publications by Morris and colleagues focus on the role of Disc1 in development, particularly the migration of cells to their proper location in the brain and subsequent differentiation into their intended fate. During development, cells need to properly migrate to their final destination in order to develop into the appropriate cell-type, integrate into the corresponding network of cells and function properly. Disruption of cell migration can lead to inappropriate cell development and function, resulting in disease.
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Genetic Factors May Predict Depression In Heart Disease Patients
Individuals with heart disease are twice as likely to suffer from depression as the general population, an association the medical community has largely been unable to explain. Now, a new study by researchers at The Miriam Hospital, in conjunction with The Montrçİal Heart Institute, University of Montrçİal and McGill University, reveals there may be genetic variations that contribute to depression in heart disease patients.
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Molecular Machinery Related To Stem Cell Fate Revealed By Xie Lab

The Stowers Institute"s Xie Lab has revealed how the BAM protein affects germline stem cell differentiation and how it is involved in regulating the quality of stem cells through intercellular competition. The work was published by PNAS Early Edition. Maintaining the proper balance between stem cell self-renewal and differentiation is critical for normal homeostasis. An imbalance between the two can lead to tissue degeneration and to the development of tumors. It has long been known that the BAM protein is necessary for germline stem cell differentiation, but the specific molecular mechanism underlying BAM function had remained a mystery until now. Examining the fruit fly ovary, the Xie Lab established that BAM controls stem cell differentiation and competition by interfering with the function of the protein translation initiation factor eIF4A. EIF4A and BAM antagonize each other to regulate the balance between self-renewal and differentiation by promoting proper expression of E-cadherin - a molecule crucial to the stem cell"s ability to attach to its microenvironment (its niche). "Our studies contribute to the understanding of stem cell fate control," said Run Shen, Ph.D., Postdoctoral Research Associate in the Xie Lab and lead author on the paper. "Many protein translation initiation factors have been reported to be unregulated in different human cancer tissues, so our study may help to understand how translational initiation factors participate in stem cell misregulation and the development of tumors." "Our studies have established the role of BAM as a protein translational repressor using biochemical and genetic tests," said Ting Xie, Ph.D., Investigator and senior author on the paper. "Translational control is very important in regulating gene expression. Many genes critical for stem cell development in the fruit fly germline are suggested to be translational regulators, but their exact roles have not been carefully studied. The knowledge generated by this work and the tests we have developed give us great advantage in tackling many additional questions." Ting Xie, Ph.D., Investigator, also is a Professor in the Department of Anatomy & Cell Biology at The University of Kansas School of Medicine. Marie Jennings Stowers Institute for Medical Research


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