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INIZIO_TESTO_DA_INDICIZZARE

Fund for investing in fundamental research

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Research Units
  • Universita' degli Studi di ROMA "Tor Vergata"
    Dip. BIOLOGIA , ROMA (RM)
  • Istituto superiore di sanita' (ISS)
    Ultrastrutture , ROMA (RM)
  • Universita' degli Studi di ROMA "Tor Vergata"
    Dip. BIOLOGIA , ROMA (RM)
  • ISTITUTO EUROPEO DI ONCOLOGIA
    Dipartimento di Oncologia Sperimentale , MILANO (MI)
  • Consiglio nazionale delle ricerche (CNR)
    Istituto di Neurobiologia e Medicina Molecolare , ROMA (RM)
  • IRCCS "L. SPALLANZANI"
    Unit¿ di monitoraggio terapie antivirali e antineoplastiche , ROMA (RM)
  • Universita' degli Studi di ROMA "Tor Vergata"
    Dip. MEDICINA SPERIMENTALE E SCIENZE BIOCHIMICHE , ROMA (RM)
Similar FIRB:
Scientific and education field classification
International Patent Classification
  • CHEMISTRY; METALLURGY
    • BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
      • MICRO-ORGANISMS OR ENZYMES; COMPOSITIONS THEREOF (biocides, pest repellants or attractants, or plant growth regulators, containing micro-organisms, viruses, microbial fungi, enzymes, fermentates or substances produced by or extracted from micro-organisms or animal material A01N63/00; food compositions A21, A23; medicinal preparations A61K; chemical aspects of, or use of materials for, bandages, dressings, absorbent pads or surgical articles A61L; fertilisers C05); PROPAGATING, PRESERVING OR MAINTAINING MICRO-ORGANISMS (preservation of living parts of humans or animals A01N1/02); MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA (micro-biological testing media C12Q)
Geographical classification
Bibliografia
Adrain C, Martin SJ. The mitochondrial apoptosome: a killer unleashed by the cytochrome seas. Trends Biochem Sci. 2001 26:390-7
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Ciriolo MR, et al. Role of the electrostatic loop of Cu,Zn superoxide dismutase in the copper uptake process. Eur J Biochem. 2001;268:737-42
Ciriolo MR, et al. Cu,Zn-superoxide dismutase-dependent apoptosis induced by nitric oxide in neuronal cells. J Biol Chem. 2000 18;275:5065-72
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De Laurenzi V, Melino G. Evolution of functions within the p53/p63/p73 family. Ann N Y Acad Sci. 2000;926:90-100
De Laurenzi V, Melino G. Gene disruption of tissue transglutaminase. Mol Cell Biol. 2001;21:148-55
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Fortin A, et al. APAF1 is a key transcriptional target for p53 in the regulation of neuronal cell death. J Cell Biol
Garaci E, et al. Nerve growth factor is an autocrine factor essential for the survival of macrophages infected with HIV. Proc Natl Acad Sci U S A. 1999;96:14013-8
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Henson PM, et al. The phosphatidylserine receptor: a crucial molecular switch? Nat Rev Mol Cell Biol. 2001;2:627-33
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Ho MK, Wong YH.G(z) signaling: emerging divergence from G(i) signaling. Oncogene. 2001;20:1615-25
Huang Z. Bcl-2 family proteins as targets for anticancer drug design. Oncogene. 2000;19:6627-31
Hughes RE, Olson JM. Therapeutic opportunities in polyglutamine disease. Nat Med. 2001;7:419-23
Iannicola C, et al. Early alterations in gene expression and cell morphology in a mouse model of Huntington's disease. J Neurochem. 2000;75:830-9
Jiang M, et al. p53 binds the nuclear matrix in normal cells: binding involves the proline-rich domain of p53 and increases following genotoxic stress. Oncogene. 2001;20:5449-58
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Leist M, Jaattela M. Four deaths and a funeral: from caspases to alternative mechanisms. Nat Rev Mol Cell Biol. 2001;2:589-98
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Keywords
apoptosis; cell cycle; neurodegeneration; infection and immunology; tumour cells; reactive oxygen species

Apoptotic mechanisms and their implications in human diseases

Università degli Studi di Roma "Tor Vergata"
Abstract
The goal of this proposal is to expand the knowledge of the regulatory mechanisms of cell death by apoptosis and to apply this information to the understanding of human diseases. We will develop new animal and cellular models for the study of diseases in which cell death appears to be impaired. The proposing group directed by Prof. Rotilio contains different laboratories with well known experience in the field that have been collaborating with each others for years. Moreover, these units will use different technological resources already available in the different laboratories, such as mass spectrometry, NMR, gene-chip, electronic and confocal microscopy. The control of cell death, as all fundamental biological processes, is exerted by the formation of effectors proteins complexes. Although some of these basic control complexes have been already characterised (i.e. apoptosome, DISC) the knowledge of their regulation and their fine effects on the cell death processes is not yet established. The final goal of this proposal is therefore to characterise the apoptosis-specific effector protein complexes and to study their regulation under pathological conditions. The proposal encompasses 6 workpackages.
The first workpackage will study the potential mechanisms by which oxidants can modulate the apoptotic pathway. In particular it will be focused on the role of redox systems in the regulation of apoptotic signalling. We will also study the importance of redox systems in>>>

Principal Investigator
GIUSEPPE ROTILIO, Universita' degli Studi di ROMA "Tor Vergata"
Research Goal
The goal of this proposal is to expand the knowledge on the regulatory mechanisms of cell death by apoptosis and to apply this informations to the understanding of some human diseases. Our goal is to transfer basic knowledge to the development of new animal and cellular models for the study of disease in which cell death appears to be impaired.
The objectives and expected results for each work package presented are summarized below.

WP 1
This research program will study the chemical mechanisms underlying the reversible oxidation of apoptotic effectors and targets using membrane permeable and impermeable redox agents. We will characterize the processes involved in redox signalling in the induction and execution phases of apoptosis determining whether reversible oxidative reaction are alterated under pathological conditions such as cancer and neurodegeneration. We will analyse the effects of ROS and NO as second messengers and other reducing/oxidizing molecules able to modify the intracellular oxidoriductive environment (GSSG, diamide, allyl disulfide, GSH ethyl ester, N-acetyl cysteine) on cell cycle progression and apoptotic program. We will study both the role of NO on the balance between differentiation and cell death and the molecular mechanisms through which NO exerts its effects. In particular, we will focus our studies on the regulation of mitochondrial function by NO. These studies will be performed on cells of different origin and on>>>

Timescale
36 months