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Apoptosis & Cell Death Research
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Drug design in 3D
Scientists in Dr. Nicholas Cosford’s laboratory are using computer programs to break down 3D images of known protein structures to find chemical fragments that might bind the protein in real life -- precursors of new medicines.
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FLIP-ing the cell death switch
Dr. Guy Salvesen and collaborators at St. Jude Children’s Research Hospital determine what makes caspase-8 – the double agent of apoptosis enzymes – promote cell death or cell survival.
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The life and times of Bcl-2
Sanford-Burnham scientists have developed four drugs now undergoing clinical trials to treat cancer, that target Bcl-2, the first known protein that prevents cell death.
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Studying apoptosis and cell death
Researchers in the Apoptosis and Cell Death Research Program investigate the fundamental molecular mechanisms that control cell death and survival. Research in this program brings together the talents of molecular and cellular biologists, protein biochemists, peptide chemists, structural biologists, computational biologists and more—in a highly interactive way. Discoveries by scientists in this program have led to the development of DNA-based and small molecule-based therapeutics that target anti-death genes and proteins in cancer cells, making them easier to kill with conventional chemotherapy.
Research in the Apoptosis and Cell Death Program helps increase our understanding of human health and identifies new drugs targets for cancer and neurodegenerative diseases.
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The human body contains cells with different life expectancies. Some, like white blood cells and skin cells, are programmed to rapidly die and be replaced by new cells. Others, such as nerve cells in the brain, are programmed to survive the lifetime of the individual and are seldom replaced. The naturally occurring turnover of cells in the body is called programmed cell death, or apoptosis.
All cells are endowed with this genetic program for self-destruction in order to balance cell production with cell loss.
How our research helps improve health
Defects in apoptosis occur commonly in disease—it is estimated that defects in the program controlling cell lifespan are implicated in over half of the major medical illnesses for which there or no cures or prevention strategies. Too much cell death can result in untimely brain cell death (as in neurodegenerative conditions like Alzheimer’s disease), while too little cell death contributes to the cell accumulation seen in tumors.
Research - Cancer - Apoptosis: How Our Research Helps |
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Non-apoptotic role of BID in inflammation and innate immunity.
Yeretssian G, Correa RG, Doiron K, Fitzgerald P, Dillon CP, Green DR, Reed JC, Saleh M
Nature. 2011 Jun 2;474(7349):96-9. Epub 2011 May 8.
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Catalytic activity of the caspase-8-FLIP(L) complex inhibits RIPK3-dependent necrosis.
Oberst A, Dillon CP, Weinlich R, McCormick LL, Fitzgerald P, Pop C, Hakem R, Salvesen GS, Green DR
Nature. 2011 Mar 17;471(7338):363-7. Epub 2011 Mar 2.
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Design and synthesis of an orally active metabotropic glutamate receptor subtype-2 (mGluR2) positive allosteric modulator (PAM) that decreases cocaine self-administration in rats.
Dhanya RP, Sidique S, Sheffler DJ, Nickols HH, Herath A, Yang L, Dahl R, Ardecky R, Semenova S, Markou A, Conn PJ, Cosford ND
J Med Chem. 2011 Jan 13;54(1):342-53. Epub 2010 Dec 14.
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Discovery of a viral NLR homolog that inhibits the inflammasome.
Gregory SM, Davis BK, West JA, Taxman DJ, Matsuzawa S, Reed JC, Ting JP, Damania B
Science. 2011 Jan 21;331(6015):330-4.
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Activation and specificity of human caspase-10.
Wachmann K, Pop C, van Raam BJ, Drag M, Mace PD, Snipas SJ, Zmasek C, Schwarzenbacher R, Salvesen GS, Riedl SJ
Biochemistry. 2010 Sep 28;49(38):8307-15.
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Expression, refolding, and initial structural characterization of the Y. pestis Ail outer membrane protein in lipids.
Plesniak LA, Mahalakshmi R, Rypien C, Yang Y, Racic J, Marassi FM
Biochim Biophys Acta. 2011 Jan;1808(1):482-9. Epub 2010 Sep 29.
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Research - Cancer - Apoptosis: Recent Publications |
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