WO1993024660A1 - Method for inhibition of viral morphogenesis - Google Patents
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- WO1993024660A1 WO1993024660A1 PCT/US1993/005247 US9305247W WO9324660A1 WO 1993024660 A1 WO1993024660 A1 WO 1993024660A1 US 9305247 W US9305247 W US 9305247W WO 9324660 A1 WO9324660 A1 WO 9324660A1
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Definitions
- the invention is directed to inhibiting viral morphogenesis and viral infection.
- it concerns effecting such inhibition by inhibiting the prenylation or post prenylation reactions of a viral protein.
- prenylation because the hydrophobic residue is derived from isoprenoid precursors.
- the prenyl residue is known to attach to the sulfhydryl group of a cysteine which has been shown in a number of membrane-associated proteins to be contained in a "CXXX"
- SEQ ID NO:l box at the carboxy terminus of the substrate protein.
- one such membrane-associated protein has been shown to be the protein product of the ras oncogene. Summaries of these reactions conferring hydrophobic properties on membrane proteins, including prenylation, have appeared by Hoffman, M., Science (1991) 154:650-651, and by Gibbs, J.B., Cell (1991) £5:1-4.
- prenylation is a first step in a series of further reactions which modify the carboxy terminus of prenylated proteins. These prenylation initiated, or post-prenylation reactions include carboxymethylation and proteolysis.
- the CXXX (SEQ ID NO: 1) box contains aliphatic residues in the second and third positions and a leucine, serine, methionine, cysteine or alanine in the terminal position.
- the box itself is relatively hydrophobic.
- prenylation of a viral protein is necessary for the morphogenesis of hepatitis delta virus (HDV) .
- HDV hepatitis delta virus
- Prenylation, or prenylation-initiated modification, of this relatively hydrophilic CXXX (SEQ ID NO:l) box and corresponding CXXX (SEQ ID NO:l) boxes (hydrophilic or otherwise) or other cysteine-containing sequences near the C-terminus of proteins in other virions are suitable targets for antiviral strategies.
- HAV hepatitis A virus
- HCV hepatitis C virus
- CMV herpes simplex virus
- VZV varicella-zoster virus
- influenza virus plant viruses such as tobacco mosaic satellite virus (TMSV) and barley stripe mosaic virus (BSMV)
- TMSV tobacco mosaic satellite virus
- BSMV barley stripe mosaic virus
- HBV hepatitis B virus
- HMV-1 human immunodeficiency virus-1
- the invention provides methods to interfere with viral morphogenesis, production, release or uncoating both in vitro and in vivo .
- Agents which interfere with the prenylation of, or the post-prenylation reactions of, at least one viral protein are provided to infected cells to halt the viral infection.
- Such cells may be in culture or may be contained in an animal or plant subject.
- the invention is directed to a method to inhibit viral morphogenesis, production, release or uncoating which method comprises effectively interfering with the prenylation of,»or the post-prenylation reactions of, at least one viral protein.
- the invention is directed to an assay method for screening candidate drugs for their ability to inhibit prenylation.
- the invention is directed to a method for treating viral infection by administering an agent effective to inhibit prenylation of, or the post- prenylation reactions of, a viral protein.
- the viral protein is the large delta antigen of the hepatitis D virus, core antigen of HBV, or the nef protein of HIV.
- Figures 1A and IB are photocopies of immunoblots of proteins obtained by lysis of viral-infected cells expressing viral proteins and treated with tritiated mevalonate.
- Figures 2A and 2B are photocopies of immunoblots of proteins derived from lysates of cells containing wild type or mutant viral proteins and labeled with tritiated proline or mevalonate.
- Figures 3A, 3B, 3C and 3D are photocopies of immunoblots of various cell supernatants containing viral proteins.
- Figure 4 is a diagrammatic representation of the progress of HDV morphogenesis.
- Hepatitis delta virus (HDV) infections cause both acute and chronic liver disease and can be fatal (1, 2) .
- This RNA virus contains a 1.7 kb single-stranded circular genome and delta antigen, the only known HDV-encoded protein. These elements are encapsulated by a lipid envelope in which hepatitis B virus surface antigens are embedded (3) , which explains why HDV infections occur only in the presence of an accompanying HBV infection (4, 5) .
- Two isoforms of delta antigen exist in infected livers and serum (6, 7) .
- delta antigen This heterogeneity arises from a unidirectional mutation- at a single nucleotide in the termination codon for delta antigen (codon 196: UAG ⁇ UGG) , which occurs during replication (8) .
- delta antigen codon 196: UAG ⁇ UGG
- small delta antigen is 195 amino acids long
- large delta antigen is identical in sequence except that it contains an additional 19 amino acids at its COOH terminus.
- both forms of delta antigen contain the same RNA genome binding domain (9) , they have dramatically different effects on genome replication.
- the small form is required for replication, whereas the large form is a potent trans- dominant inhibitor (10, 11) .
- the last four amino acids of large delta antigen are
- Cys-Arg-Pro-Gln-COOH SEQ ID NO:2 .
- This COOH-terminal configuration termed a CXXX (SEQ ID NO:l) box (where C is cysteine and X is any amino acid) , has been implicated as a substrate for prenyltransferases that add to the cysteine 15 (farnesyl) or 20 (geranylgeranyl) carbon moieties derived from mevalonic acid (12-14) .
- the resulting hydrophobic modification may aid in membrane association of the derivatized protein, as suggested for p21 Ras (15, 16) and lamin B (12, 17) .
- virions also contain suitable target sequences for prenylation. These sequences are near the carboxy terminus of the viral protein targeted, and may be in the form of CXXX (SEQ ID N0:1) boxes, but the cysteine may also be closer to the C-terminus, including a position as the C-terminal amino acid, as is the case of the core antigen of hepatitis B virus (HBV) and the nef gene product of HIV-l.
- HBV hepatitis B virus
- nef gene product of HIV-l To determine whether large delta antigen is a substrate for prenylation, we labeled three cell lines, SAG, LAG, and
- GP4F cells are a derivative of NIH 3T3 cells (18) .
- SAG (19) and LAG (20) cells are derivatives of GP4F cells that stably express the small and large delta antigens, respectively.
- Fig. 1A to detect steady-state amounts of small and large delta antigen.
- the -lysates were also subjected to immunoprecipitation with an antibody to the delta antigens (anti-delta) , SDS polyacrylamide gel electrophoresis (SDS- PAGE) , and fluorography (Fig. IB) .
- anti-delta an antibody to the delta antigens
- SDS- PAGE SDS polyacrylamide gel electrophoresis
- Fig. IB fluorography
- large delta antigen is shown to be prenylated in cultured cells.
- RIPA buffer [50 mM Tris (pH 7.5), 150 mM NaCl, 1% NP-40,
- translation reactions contained small delta antigen mRNA (lane 1) ; large delta antigen mRNA (lane 2) ; water (lane 3) ; or large delta antigen (Cys 211 ⁇ Ser) ⁇ 20) mRNA (lane 4) .
- a portion (20 ⁇ l) of each reaction was added to 1 ml of RIPA buffer, immunoprecipitated with a- ⁇ Ag, and analyzed as described (Fig. 1) .
- Both the small and the large antigens were labeled with 3 [ H]proline (Fig. 2A) , whereas only the large isoform was
- HBV surface antigen (HBsAg) was expressed transiently in COS-7 cells together with small or large delta antigen.
- Virus-like particles consisting of delta antigen packaged into HBsAg-containing envelopes were analyzed by immunoprecipitation of clarified media supernatants with an antibody to HBsAg (anti-HBs) .
- Fig. 3 shows particle formation with large delta antigen and HBsAg.
- COS-7 cells were transiently transfected with the following plasmids: SV24H, which expresses HBV surface antigen ⁇ 31) , and SVLAg, which expresses small delta antigen (25) (lane 1) ; SV24H and SVL-large, which expresses large delta antigen ⁇ 20) (lane 2) ; and calcium phosphate precipitate without DNA (lane 3) .
- COS-7 cells were transfected with SV24H and SVL-large (lane 4) ; SV24H and SVL-large (Ser 211) ⁇ 20) (lane 5) ; and calcium phosphate precipitate without DNA (lane 6) .
- HBsAg-containing particles were immunoprecipitated from 2-ml aliquots of clarified media supernatants with anti-HBs ⁇ 31) and subjected to immunoblot (with ⁇ - ⁇ Ag) and chemiluminescence analyses as described (Fig. 1) .
- the transfected cells were harvested in cell lysis buffer [50 mM Tris (pH 8.8) , 2% SDSl with protease inhibitors (20) , and aliquots subjected to protein immunoblot and chemiluminescence analyses. Molecular size markers are shown at the left (in kD) .
- the ability of large, but not small, delta antigen to be prenylated and packaged into virus particles further highlights the significance of the mutation-induced heterogeneity at the termination codon of the small delta antigen.
- S genomes (encoding the small antigen) mutate to L genomes (encoding the large antigen) .
- At least two effects attributable to this mutation can be distinguished (see Fig. 4) .
- Fig. 4 shows the regulatory switch of S genomes to L genomes.
- S genomes encoding the small delta antigen mutate to L genomes, which encode the large delta antigen. This single base mutation has two effects on the COOH- terminus of delta antigen.
- the first is to change the nature of the COOH-terminal amino acid; Pro (P) , which enhances genome replication ⁇ 20) , is replaced by Gin (Q) , resulting in inhibition of genome replication.
- the second effect is the creation of a target prenylation site (CRPQ) (SEQ ID NO:3) , C, cysteine; R, arginine; P, proline; Q, glutamine.
- the first effect is the conversion of an enhancer of genome replication (small delta antigen) into a potent trans-dominant inhibitor (large delta antigen) (10, 11) .
- This dramatic difference in function appears to be determined solely by the nature of the COOH-terminal amino acid with proline being sufficient to confer enhancer activity (11, 25) .
- the second effect is the addition of a CXXX (SEQ ID NO:l) box to delta antigen, which allows the protein to be prenylated and presumably promotes its incorporation into HBsAg-containing particles.
- the combined effects of the switch from production of small to large delta antigen thus appear to have two roles : to suppress further genome replication and to promote the onset of packaging and virion morphogenesis.
- L genomes require a source of small delta antigen for replication (19, 29) but, once replicated, produce a potent trans-dominant inhibitor of further replication, a therapeutically administered L genome DIP could be specific for infected cells, as well as possess an inherent shut-off mechanism (11) . If the L genome also contained the Cys 211 to Ser mutation, it could encode a delta antigen that not only inhibits replication but also affects packaging.
- new approaches to antiviral therapy and inhibition of viral morphogenesis focus on inhibition of the prenylation of, or post-prenylation reactions of, at least one viral protein.
- This may be effected by contacting cells infected with the target virus with an effective amount of an agent which inhibits the prenylation of, or post-prenylatio • reactions of, at least one viral protein.
- agents include inhibitors of formation of the prenyl groups which are derivative of the mevalonate synthesis pathway.
- Other agents include decoys for the target sequence for prenylation, including small peptides, including tetrapeptides and other compounds which mimic the surroundings of the cysteine residue to be prenylated. For example, Reiss, Y.
- cysteine residue to be prenylated is generally found at the carboxy terminus of the target protein; although the most common target sequence involves a CXXX (SEQ ID NO:l) box, cysteines positioned closer to the C-terminus may also be targeted; thus, the relevant peptides may include those of the form XCXX, XXCX, and XXXC (SEQ ID NO:4, SEQ ID NO:5, and SEQ ID NO:6) .
- Other agents include derivatives and mimics of prenyl groups themselves.
- suitable agents include inhibitors of the prenyltransferase enzymes and of enzymes that catalyze post-prenylation reactions.
- the present invention also provides a method to screen candidate drugs as prenylation inhibitors by taking advantage of the requirement for prenylation in order to effect secretion of certain prenylated proteins.
- the assay can be conducted in a direct and simple manner.
- Cells that secrete, or that have been modified to secrete, a first protein whose secretion is dependent on prenylation are used as the experimental cells.
- a second protein which does not depend on prenylation for secretion is used as a control .
- This control protein may be secreted by the same or different host cells as the first protein.
- the candidate drug is applied to cells that secrete both proteins, or to matched sets of cells that secrete each.
- Secretion can readily be assessed by assaying the cell supernatants for the presence or absence of the first and second secreted proteins- using, for example, routine ELISA assays. Successful candidate drugs will not inhibit the secretion of the control protein, but will inhibit the secretion of the protein in the test sample wherein prenylation is required for secretion.
- the large delta antigen of HDV is a viral protein for which prenylation is a prerequisite for secretion. Thus, this protein forms, itself a key part of a useful test system for the assay. Cells that are modified to secrete a protein for which prenylation is not required can be used as controls. If large delta antigen is used as the test protein, it is advantageous to use HBsAg as the control protein in the same cell since HBsAg is also required for secretion of delta antigen.
- the foregoing assay requires that the inhibitor interfere with the prenylation system for large delta antigen or for any other prenylation-controlled secreted protein used in the assay.
- a range of prenyl transferases and prenyl groups is known to apply to various proteins for which prenylation inhibitors are required or sought. Some of these proteins are not secreted, whether they are prenylated or not; one such example is the protein product of the ras oncogene.
- the assay system described can be employed to screen for inhibitors of prenylation in these nonsecreted proteins by providing the target "CXXX” (SEQ ID NO:l) box characteristic of the nonsecreted protein in place of the corresponding "CXXX” (SEQ ID NO:l) box of the secreted one.
- the resulting chimeric protein will exhibit the prenylation characteristics of the imported "CXXX” (SEQ ID NO:l) box characteristic of the nonsecreted protein, but retain the ability of the host secreted protein to be passed to the supernatant for assay.
- the range of target proteins for which prenylation inhibitors are sought by use of the assay can be expanded to nonsecreted proteins.
- Prenylation inhibitors identified by one of the variations of the above described assay are expected to find use not only in the inhibition of viruses, but also in other processes or disease states -- including but not limited to cancer -- in which a prenylated protein is found to be involved.
- prenylation of viral proteins is a prerequisite for additional post-prenylation reactions of the proteins such as proteolysis and carboxymethylation.
- the essential sequence of steps can be interfered with at the most convenient point for the viral protein in question.
- Additional viral proteins subject to prenylation can be obtained by screening amino acid sequence data banks for viral proteins which contain a "CXXX" (SEQ ID NO:l) box at the C-terminus.
- CXXX SEQ ID NO:l
- An illustrative list of such proteins includes, for example, specific proteins of HAV, HCV, HSV, CMV, VZV, influenza virus, plant viruses such as tobacco mosaic satellite virus and barley stripe mosaic virus, core antigen of hepatitis B virus and the nef gene product of HIV I, as set forth above.
- prenylation targets can be validated in a manner similar to that described above by providing labeled mevalonic acid to cells infected with or containing the appropriate viruses or viral gene products, and assessing the prenylation status of the viral proteins obtained using incorporation of label as the criterion. Furthermore, the role of prenylation in the morphogenesis of the respective virions, and its suitability as a target for anti-viral therapy, can also be validated in a manner similar to that described above.
- suitable host cells are used to culture the virus, and the agents used in inhibiting prenylation o ⁇ : post prenylation reactions added to the medium.
- the agent used for the prenylation inhibition is generally introduced as a pharmaceutical formulation. Suitable formulations depending on the nature of the agent chosen may be found in Remington's Pharmaceutical Sciences, latest edition, Mack Publishing Co., Easton, PA.
- the routes of administration include standard such routes, including administration by injection, oral administration, and transmucosal and transdermal administration. The choice of formulation will depend on the route of administration as well as the agent chosen. Suitable mixtures of agents can also be used as active ingredients.
- formulations which are capable of conducting the active ingredients into plant cells are used as carriers.
- SAG cells are identical to GAG cells.
- J.M.W. is a recipient of an NIH grant and J.S.G. was supported by the Medical Engineer Training Program.
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Priority Applications (10)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DK93914329T DK0672192T3 (en) | 1992-05-29 | 1993-06-01 | Method for inhibiting viral morphogenesis |
AU44032/93A AU673841B2 (en) | 1992-05-29 | 1993-06-01 | Method for inhibition of viral morphogenesis |
DE69326777T DE69326777T2 (en) | 1992-05-29 | 1993-06-01 | METHOD FOR INHIBITING VIRAL MORPHOGENESIS |
CA2136958A CA2136958C (en) | 1992-05-29 | 1993-06-01 | Method for inhibition of viral morphogenesis |
JP6500860A JPH08502162A (en) | 1992-05-29 | 1993-06-01 | Virus morphogenesis inhibition method |
EP93914329A EP0672192B1 (en) | 1992-05-29 | 1993-06-01 | Method for inhibition of viral morphogenesis |
US08/347,448 US5876920A (en) | 1992-05-29 | 1993-06-01 | Methods for identifying anti viral agents and viruses that can be inhibited by such agents based on viral protein phenylation |
GR990403324T GR3032237T3 (en) | 1992-05-29 | 1999-12-22 | Method for inhibition of viral morphogenesis. |
US11/000,691 US20060040259A1 (en) | 1992-05-29 | 2004-11-30 | Method for inhibition of viral infection |
US11/894,365 US20080214471A1 (en) | 1992-05-29 | 2007-08-20 | Method for inhibition of viral infection |
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US07/890,754 US5503973A (en) | 1992-05-29 | 1992-05-29 | Method for inhibition of viral morphogenesis |
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US09/028,655 Continuation US6159939A (en) | 1992-05-29 | 1998-02-24 | Method for inhibition of viral morphogenesis |
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AT (1) | ATE185487T1 (en) |
AU (1) | AU673841B2 (en) |
CA (1) | CA2136958C (en) |
DE (1) | DE69326777T2 (en) |
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Cited By (8)
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WO1997031641A1 (en) * | 1996-02-29 | 1997-09-04 | Duke University | Method of treating hepatitis delta virus infection |
WO1997043437A2 (en) * | 1996-05-15 | 1997-11-20 | The University Of Sheffield | Isopentenyl pyrophosphate isomerase (ipi) and/or prenyl transferase inhibitors |
EP0910385A1 (en) * | 1996-04-15 | 1999-04-28 | The Trustees Of The University Of Pennsylvania | Sensitization of cells to radiation and chemotherapy |
WO2004071503A1 (en) * | 2003-02-12 | 2004-08-26 | Chugai Seiyaku Kabushiki Kaisha | Remedy for viral disease |
WO2004096194A2 (en) * | 2003-04-30 | 2004-11-11 | Consejo Superior De Investigaciones Cientificas | Prevention of hiv-1 infection by inhibition of rho-mediated reorganization and/or content alteration of cell membrane raft domains |
JP2006232852A (en) * | 2003-02-12 | 2006-09-07 | Chugai Pharmaceut Co Ltd | Remedy for viral disease |
CN100502853C (en) * | 2003-02-12 | 2009-06-24 | 中外制药株式会社 | Remedy for virus disease |
US9592277B2 (en) | 2004-04-14 | 2017-03-14 | Avirid, Inc. | Compositions with modified nucleases targeted to viral nucleic acids and methods of use for prevention and treatment of viral diseases |
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US20030181355A1 (en) * | 1992-05-29 | 2003-09-25 | Glenn Jeffrey S. | Method for inhibition of viral infection |
US5503973A (en) * | 1992-05-29 | 1996-04-02 | The Regents Of The University Of California | Method for inhibition of viral morphogenesis |
US6627610B1 (en) | 1992-05-29 | 2003-09-30 | Jeffrey Glenn | Method for inhibition of viral morphogenesis |
RU2346933C2 (en) | 2003-07-09 | 2009-02-20 | Чугаи Сейяку Кабусики Кайся | Compound with anti-hcv effect and method of its obtainment |
JP2012520884A (en) | 2009-03-18 | 2012-09-10 | ザ ボード オブ トラスティーズ オブ ザ リランド スタンフォード ジュニア ユニバーシティー | Methods and compositions for treating flaviviridae viral infections |
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SE463851B (en) * | 1988-09-02 | 1991-02-04 | Amsu Ltd | COMPOSITION FOR TREATMENT OF ERECT DYSFUNCTION THROUGH URETRA |
US5043268A (en) * | 1990-05-04 | 1991-08-27 | The Trustees Of Princeton University | Substrates and inhibitors for prenyl cysteine methyltransferase enzymes |
US6627610B1 (en) * | 1992-05-29 | 2003-09-30 | Jeffrey Glenn | Method for inhibition of viral morphogenesis |
US6159939A (en) * | 1995-06-23 | 2000-12-12 | Glenn; Jeffrey | Method for inhibition of viral morphogenesis |
US20030181355A1 (en) * | 1992-05-29 | 2003-09-25 | Glenn Jeffrey S. | Method for inhibition of viral infection |
US5503973A (en) * | 1992-05-29 | 1996-04-02 | The Regents Of The University Of California | Method for inhibition of viral morphogenesis |
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US5738985A (en) * | 1993-04-02 | 1998-04-14 | Ribogene, Inc. | Method for selective inactivation of viral replication |
US5741511A (en) * | 1995-04-12 | 1998-04-21 | Sam Yang Co., Ltd. | Transdermal drug delivery device for treating erectile dysfunction |
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US5736154A (en) * | 1996-03-11 | 1998-04-07 | Fuisz Technologies Ltd. | Transdermal delivery system |
US6015877A (en) * | 1996-03-14 | 2000-01-18 | President And Fellows Of Harvard College | Compounds for inhibition of proteolysis |
CA2262517A1 (en) * | 1996-08-07 | 1998-02-12 | The Regents Of The University Of California | Afc1 and rce1:isoprenylated caax processing enzymes |
WO1998056924A1 (en) * | 1997-06-11 | 1998-12-17 | New York University | Prenylcysteine carboxyl methyltransferase, dna encoding same, and a method of screening for inhibitors thereof |
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US6197801B1 (en) * | 1998-01-14 | 2001-03-06 | Usa Doctors Products, Inc. | Injectable pharmaceutical composition for treatment and reversal of erectile dysfunction |
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- 1992-05-29 US US07/890,754 patent/US5503973A/en not_active Expired - Lifetime
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1993
- 1993-06-01 AU AU44032/93A patent/AU673841B2/en not_active Ceased
- 1993-06-01 EP EP93914329A patent/EP0672192B1/en not_active Expired - Lifetime
- 1993-06-01 DE DE69326777T patent/DE69326777T2/en not_active Expired - Lifetime
- 1993-06-01 CA CA2136958A patent/CA2136958C/en not_active Expired - Fee Related
- 1993-06-01 AT AT93914329T patent/ATE185487T1/en not_active IP Right Cessation
- 1993-06-01 DK DK93914329T patent/DK0672192T3/en active
- 1993-06-01 JP JP6500860A patent/JPH08502162A/en active Pending
- 1993-06-01 ES ES93914329T patent/ES2139660T3/en not_active Expired - Lifetime
- 1993-06-01 US US08/347,448 patent/US5876920A/en not_active Expired - Lifetime
- 1993-06-01 WO PCT/US1993/005247 patent/WO1993024660A1/en active IP Right Grant
-
1999
- 1999-12-22 GR GR990403324T patent/GR3032237T3/en unknown
-
2004
- 2004-11-17 JP JP2004332825A patent/JP4286764B2/en not_active Expired - Fee Related
-
2007
- 2007-08-20 US US11/894,365 patent/US20080214471A1/en not_active Abandoned
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WO1997031641A1 (en) * | 1996-02-29 | 1997-09-04 | Duke University | Method of treating hepatitis delta virus infection |
EP0910385A1 (en) * | 1996-04-15 | 1999-04-28 | The Trustees Of The University Of Pennsylvania | Sensitization of cells to radiation and chemotherapy |
EP0910385A4 (en) * | 1996-04-15 | 1999-12-22 | Univ Pennsylvania | Sensitization of cells to radiation and chemotherapy |
WO1997043437A2 (en) * | 1996-05-15 | 1997-11-20 | The University Of Sheffield | Isopentenyl pyrophosphate isomerase (ipi) and/or prenyl transferase inhibitors |
WO1997043437A3 (en) * | 1996-05-15 | 1998-02-26 | Univ Sheffield | Isopentenyl pyrophosphate isomerase (ipi) and/or prenyl transferase inhibitors |
CN100502853C (en) * | 2003-02-12 | 2009-06-24 | 中外制药株式会社 | Remedy for virus disease |
JP2006232852A (en) * | 2003-02-12 | 2006-09-07 | Chugai Pharmaceut Co Ltd | Remedy for viral disease |
WO2004071503A1 (en) * | 2003-02-12 | 2004-08-26 | Chugai Seiyaku Kabushiki Kaisha | Remedy for viral disease |
US7776918B2 (en) | 2003-02-12 | 2010-08-17 | Chugai Seiyaku Kabushiki Kaisha | Remedy for viral disease |
WO2004096194A2 (en) * | 2003-04-30 | 2004-11-11 | Consejo Superior De Investigaciones Cientificas | Prevention of hiv-1 infection by inhibition of rho-mediated reorganization and/or content alteration of cell membrane raft domains |
WO2004096194A3 (en) * | 2003-04-30 | 2005-05-06 | Consejo Superior Investigacion | Prevention of hiv-1 infection by inhibition of rho-mediated reorganization and/or content alteration of cell membrane raft domains |
US9592277B2 (en) | 2004-04-14 | 2017-03-14 | Avirid, Inc. | Compositions with modified nucleases targeted to viral nucleic acids and methods of use for prevention and treatment of viral diseases |
US10335372B2 (en) | 2004-04-14 | 2019-07-02 | Jacob G. Appelbaum | Compositions with modified nucleases targeted to viral nucleic acids and methods of use for prevention and treatment of viral diseases |
Also Published As
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DE69326777T2 (en) | 2000-03-09 |
JPH08502162A (en) | 1996-03-12 |
DK0672192T3 (en) | 1999-12-27 |
JP4286764B2 (en) | 2009-07-01 |
EP0672192A1 (en) | 1995-09-20 |
EP0672192B1 (en) | 1999-10-13 |
ES2139660T3 (en) | 2000-02-16 |
US20080214471A1 (en) | 2008-09-04 |
JP2005124577A (en) | 2005-05-19 |
DE69326777D1 (en) | 1999-11-18 |
US5503973A (en) | 1996-04-02 |
AU4403293A (en) | 1993-12-30 |
ATE185487T1 (en) | 1999-10-15 |
CA2136958C (en) | 2011-03-22 |
AU673841B2 (en) | 1996-11-28 |
US5876920A (en) | 1999-03-02 |
CA2136958A1 (en) | 1993-12-09 |
GR3032237T3 (en) | 2000-04-27 |
EP0672192A4 (en) | 1996-04-17 |
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