ES2535681T3 - Nuevos complejos Tat, y vacunas que los comprenden - Google Patents

Nuevos complejos Tat, y vacunas que los comprenden Download PDF

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ES2535681T3
ES2535681T3 ES05729962.0T ES05729962T ES2535681T3 ES 2535681 T3 ES2535681 T3 ES 2535681T3 ES 05729962 T ES05729962 T ES 05729962T ES 2535681 T3 ES2535681 T3 ES 2535681T3
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tat
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vaccines
residues
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Barbara Ensoli
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Istituto Superiore di Sanita ISS
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    • C07K14/005Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from viruses
    • C07K14/08RNA viruses
    • C07K14/15Retroviridae, e.g. bovine leukaemia virus, feline leukaemia virus human T-cell leukaemia-lymphoma virus
    • C07K14/155Lentiviridae, e.g. human immunodeficiency virus [HIV], visna-maedi virus or equine infectious anaemia virus
    • C07K14/16HIV-1 ; HIV-2
    • AHUMAN NECESSITIES
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    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K38/00Medicinal preparations containing peptides
    • A61K38/16Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
    • A61K38/17Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
    • A61K38/177Receptors; Cell surface antigens; Cell surface determinants
    • A61K38/1774Immunoglobulin superfamily (e.g. CD2, CD4, CD8, ICAM molecules, B7 molecules, Fc-receptors, MHC-molecules)
    • AHUMAN NECESSITIES
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    • A61K39/21Retroviridae, e.g. equine infectious anemia virus
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    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
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    • A61P31/12Antivirals
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    • A61P31/00Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
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    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K14/00Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
    • C07K14/005Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from viruses
    • C07K14/08RNA viruses
    • C07K14/15Retroviridae, e.g. bovine leukaemia virus, feline leukaemia virus human T-cell leukaemia-lymphoma virus
    • C07K14/155Lentiviridae, e.g. human immunodeficiency virus [HIV], visna-maedi virus or equine infectious anaemia virus
    • C07K14/16HIV-1 ; HIV-2
    • C07K14/162HIV-1 ; HIV-2 env, e.g. gp160, gp110/120, gp41, V3, peptid T, CD4-Binding site
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    • C07K14/005Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from viruses
    • C07K14/08RNA viruses
    • C07K14/15Retroviridae, e.g. bovine leukaemia virus, feline leukaemia virus human T-cell leukaemia-lymphoma virus
    • C07K14/155Lentiviridae, e.g. human immunodeficiency virus [HIV], visna-maedi virus or equine infectious anaemia virus
    • C07K14/16HIV-1 ; HIV-2
    • C07K14/163Regulatory proteins, e.g. tat, nef, rev, vif, vpu, vpr, vpt, vpx
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    • C07K14/70514CD4
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    • C07K16/00Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies
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    • C07K16/10Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from viruses from RNA viruses
    • C07K16/1036Retroviridae, e.g. leukemia viruses
    • C07K16/1045Lentiviridae, e.g. HIV, FIV, SIV
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    • C07K16/10Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from viruses from RNA viruses
    • C07K16/1036Retroviridae, e.g. leukemia viruses
    • C07K16/1045Lentiviridae, e.g. HIV, FIV, SIV
    • C07K16/1072Regulatory proteins, e.g. tat, rev, vpt
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    • C07KPEPTIDES
    • C07K16/00Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies
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    • C07K16/28Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants
    • C07K16/2866Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants against receptors for cytokines, lymphokines, interferons
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    • A61K39/00Medicinal preparations containing antigens or antibodies
    • A61K2039/57Medicinal preparations containing antigens or antibodies characterised by the type of response, e.g. Th1, Th2
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
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    • A61K2039/622Medicinal preparations containing antigens or antibodies characterised by the link between antigen and carrier non-covalent binding
    • AHUMAN NECESSITIES
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    • C12N2740/00011Details
    • C12N2740/10011Retroviridae
    • C12N2740/16011Human Immunodeficiency Virus, HIV
    • C12N2740/16111Human Immunodeficiency Virus, HIV concerning HIV env
    • C12N2740/16122New viral proteins or individual genes, new structural or functional aspects of known viral proteins or genes
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    • C12N2740/16011Human Immunodeficiency Virus, HIV
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    • C12N2740/00011Details
    • C12N2740/10011Retroviridae
    • C12N2740/16011Human Immunodeficiency Virus, HIV
    • C12N2740/16311Human Immunodeficiency Virus, HIV concerning HIV regulatory proteins
    • C12N2740/16334Use of virus or viral component as vaccine, e.g. live-attenuated or inactivated virus, VLP, viral protein
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2469/00Immunoassays for the detection of microorganisms
    • G01N2469/20Detection of antibodies in sample from host which are directed against antigens from microorganisms

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  • Health & Medical Sciences (AREA)
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  • Virology (AREA)
  • Organic Chemistry (AREA)
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  • Proteomics, Peptides & Aminoacids (AREA)
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  • Peptides Or Proteins (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)

Abstract

Un complejo que comprende primer y segundo péptidos, comprendiendo el primer péptido el bucle V3 de la gp120, y en donde el bucle V3 está unido a una región de unión en el segundo péptido, comprendiendo el segundo péptido dicha región de unión, región que comprende al menos los restos 21-40 y 46-58 de Tat (SEC ID NO 1), o al menos dichos restos con una mutación puntual adicional, con lo que Cys 22 de Tat es sustituido por glicina, siendo dicha Tat mutante en Cys22 capaz de unirse a una región en la gp120 que comprende los restos 301-419 de la gp120 (SEC ID NO. 2).

Description

imagen1
imagen2
imagen3
imagen4
imagen5
imagen6
imagen7
5
10
15
20
25
30
35
E05729962
27-04-2015
mostraban una unión dependiente de la dosis del péptido del bucle V3 a Tat inmovilizada (Tabla Ibis).
TABLA 1
Anticuerpos
Revestimiento
Incubación anti-Tat anti-V3
ninguno
tampón 0,132 DO 0,15 DO
ninguno
Tat 0,431 DO 0,122 DO
V3 (500 ng)
tampón 0,277 DO 3 DO
V3 (500 ng)
Tat 1 DO 3 DO
TABLA 1 bis Pocillos revestidos con Tat (100 ng) y bloqueados con albúminas de suero bovino (BSA) (100 imagen8g)
Cantidades del péptido del bucle V3 (ng)
0 50 100 200 500
Anticuerpo anti V3
0,119 DO 0,181 DO 0,285 DO 0,435 DO 0,787 DO
Anticuerpo anti TAT
1,438 DO 1,545 DO 1,51 DO 1,515 DO 1,567 DO
Pocillos revestidos con BSA (BSA) (100 imagen9g) Anticuerpo anti V3 0,103 DO 0,124 DO 0,148 DO 0,142 DO 0,179 DO
EJEMPLO 3
Tat es reconocida por anticuerpos dirigidos contra el correceptor CCR5 de VIH
Dado que el bucle V3 de la gp120 parece ser el determinante fundamental para la elección del correceptor y la utilización por cepas de VIH, se realizaron experimentos para determinar si la capacidad de Tat de unirse al péptido V3 se debía a mimetismo por Tat de moléculas del correceptor. Con este fin, se usaron anticuerpos monoclonales dirigidos contra los principales correceptores de VIH-1 (CCR5 y CXCR4) (Pharmingen) en un ensayo ELISA para determinar si podían reconocer Tat, o péptidos de Tat que constan de secuencias de y/o dominios estructurales y funcionales de Tat específicos. Se sabe que estos anticuerpos monoclonales reconocen epítopos conformacionales presentes en correceptores de VIH-1 (Lee B et al., J Biol. Chem., 1999; Baribaud F et al., J Virol. 2001). Por consiguiente, cualquier reconocimiento de Tat por estos anticuerpos indicaría que Tat comparte similitud estructural con el correceptor relevante.
Se revistieron placas de ELISA con Tat nativa o uno de los siguientes péptidos de Tat (la región o regiones a las que corresponden esencialmente estos péptidos se indica entre paréntesis):
Tat (1-20) (dominio N-terminal);
Tat (21-40) (región rica en cisteína -dominio de transactivación);
Tat (36-50) (región del núcleo);
Tat (46-60) (región básica -señal de localización nuclear);
Tat (56-70) (región rica en glutamina);
Tat (65-80) (secuencia RGD);
Tat (73-86) (secuencia RGD);
Tat (83-102) (dominio C-terminal); y
Tat (21-58) (cisteína, núcleo y regiones básicas).
Se usaron anticuerpos monoclonales anti-CCR5 o anti CXCR4 para la etapa de detección. El anti-CCR5 reconocía específicamente la proteína Tat nativa recombinante, el péptido de Tat (21-58) y, aunque con una menor eficiencia, el péptido de Tat (46-60). Los resultados se muestran en la tabla 2, a continuación. En contraste, no se observó ningún reconocimiento con los anticuerpos dirigidos contra CXCR4.
TABLA 2
Revestimiento
Anticuerpos
anti-CCR5
anti-CXCR4 CTR isot. anti-Tat
Tat
1,452 0,085 0,081 3,000
Tat 1-20
0,000 0,000 0,006 3,000
Tat 21-40
0,000 0,133 0,082 0,1
Tat 36-50
0,000 0,000 0,000 0,000
Tat 46-60
0,466 0,000 0,063 0,000
Tat 56-70
0,147 0,000 0,000 0,75
9
imagen10
imagen11
imagen12

Claims (1)

  1. imagen1
ES05729962.0T 2004-03-11 2005-03-11 Nuevos complejos Tat, y vacunas que los comprenden Active ES2535681T3 (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB0405480.5A GB0405480D0 (en) 2004-03-11 2004-03-11 Novel tat complexes,and vaccines comprising them
GB0405480 2004-03-11
PCT/EP2005/003043 WO2005090391A1 (en) 2004-03-11 2005-03-11 Novel tat complexes, and vaccines comprising them

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ES2535681T3 true ES2535681T3 (es) 2015-05-13

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US (1) US9969780B1 (es)
EP (1) EP1723169B1 (es)
JP (1) JP4714213B2 (es)
CN (1) CN1930184B (es)
AU (1) AU2005223352B2 (es)
CA (1) CA2556080C (es)
DK (1) DK1723169T3 (es)
ES (1) ES2535681T3 (es)
GB (1) GB0405480D0 (es)
IL (1) IL177223A (es)
NZ (1) NZ549082A (es)
RU (1) RU2432356C2 (es)
WO (1) WO2005090391A1 (es)

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EP2001508A2 (en) * 2006-03-28 2008-12-17 Novartis Ag Covalently-linked complexes of hiv tat and env proteins
CA2647942A1 (en) 2006-03-31 2007-11-08 Novartis Ag Combined mucosal and parenteral immunization against hiv
US7943140B2 (en) 2006-08-14 2011-05-17 Thymon, Llc Compositions and methods for the treatment and prophylaxis of multiple strains and subtypes of HIV-1
CA2697370A1 (en) * 2007-08-24 2009-03-05 Novartis Ag Hiv env proteins with modifications in the v3 loop
GB201004656D0 (en) 2010-03-19 2010-05-05 Ensoli Barbara Immune therapy
WO2023038462A1 (ko) * 2021-09-10 2023-03-16 연세대학교 산학협력단 Tat 펩타이드 변이체를 유효성분으로 포함하는 대사질환의 예방 또는 치료용 조성물

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EP0567643A4 (en) 1991-01-16 1995-07-19 Yoshitomi Pharmaceutical PYRIDINE COMPOUND USED AS A SELECTIVE DRUG AND NEW PYRIDINE COMPOUND.
PL211762B1 (pl) * 2000-01-31 2012-06-29 Smithkline Beecham Biolog Zastosowanie białka fuzyjnego zawierającego białka HIV Tat i HIV Nef lub polinukleotyd kodujący takie białko, białka lub polinukleotydu HIV gp120, białka lub polinukleotydu SIV Nef, adiuwanta indukującego TH1 zawierającego monofosforylolipid A lub jego pochodną i adiuwanta saponinowego oraz kompozycja szczepionki
JP2001286284A (ja) 2000-04-05 2001-10-16 Nobuo Sato 腫瘍特異抗原を用いた腫瘍の遺伝子診断剤・遺伝子治療剤およびプロトンポンプ阻害剤の抗腫瘍治療剤としての新規応用
WO2002080917A1 (en) 2001-04-06 2002-10-17 Forskarpatent I Uppsala Ab Novel use of proton pump inhibitors
GB0110431D0 (en) * 2001-04-27 2001-06-20 Glaxosmithkline Biolog Sa Novel compounds
WO2003009812A2 (en) * 2001-07-25 2003-02-06 New York University Use of glycosylceramides as adjuvants for vaccines against infections and cancer
EP1279404A1 (en) 2001-07-26 2003-01-29 Istituto Superiore di Sanità Use of HIV-1 tat, fragments or derivatives thereof, to target or to activate antigen-presenting cells, to deliver cargo molecules for vaccination or to treat other diseases
JP2003277262A (ja) 2002-03-18 2003-10-02 ▲寛▼治 ▲高▼田 ランソプラゾールのバイオアベイラビリティ改善技術
EP1431306A1 (en) 2002-12-19 2004-06-23 Creabilis Therapeutics s.r.l. A mechanism for hiv-1 entry into host cells and peptides inhibiting this mechanism
GB0225786D0 (en) 2002-11-05 2002-12-11 Glaxo Group Ltd Vaccine
GB0323840D0 (en) 2003-10-10 2003-11-12 Ist Superiore Sanita Vaccines

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CA2556080A1 (en) 2005-09-29
CN1930184A (zh) 2007-03-14
CA2556080C (en) 2016-05-10
CN1930184B (zh) 2012-11-28
EP1723169A1 (en) 2006-11-22
RU2006129097A (ru) 2008-02-20
WO2005090391A1 (en) 2005-09-29
IL177223A (en) 2015-10-29
NZ549082A (en) 2009-11-27
EP1723169B1 (en) 2015-01-07
JP4714213B2 (ja) 2011-06-29
DK1723169T3 (en) 2015-04-20
GB0405480D0 (en) 2004-04-21
US9969780B1 (en) 2018-05-15
AU2005223352B2 (en) 2010-05-20
RU2432356C2 (ru) 2011-10-27
AU2005223352A1 (en) 2005-09-29
JP2007535500A (ja) 2007-12-06
IL177223A0 (en) 2006-12-10

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