ES2553415T3 - Método de pronóstico de la enfermedad intestinal inflamatoria - Google Patents
Método de pronóstico de la enfermedad intestinal inflamatoria Download PDFInfo
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- ES2553415T3 ES2553415T3 ES10713793.7T ES10713793T ES2553415T3 ES 2553415 T3 ES2553415 T3 ES 2553415T3 ES 10713793 T ES10713793 T ES 10713793T ES 2553415 T3 ES2553415 T3 ES 2553415T3
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Abstract
Método para ayudar en el pronóstico de la enfermedad de Crohn (EC) en un individuo diagnosticado de EC, comprendiendo dicho método: (a) analizar una muestra obtenida de dicho individuo para determinar la presencia, el nivel o el genotipo de una combinación de marcadores séricos y marcadores genéticos, en el que dichos marcadores séricos comprenden inmunoglobulina A anti-Saccharomyces cerevisiae (IgAAASC), inmunoglobulina G anti-Saccharomyces cerevisiae (IgG-AASC), un anticuerpo anti-proteína C de la membrana externa (anti-OmpC), un anticuerpo anti-CBir-1, un anticuerpo anti-I2 y un anticuerpo perinuclear anti-neutrófilo citoplasmático (ANACp) y en el que dichos marcadores genéticos comprenden PSN8 (R702W), PSN12 (G908R) y PSN13 (3020InsC) en el gen NOD2, (b) aplicar un análisis de cuartiles a dichos marcadores séricos con el fin de obtener una puntuación de suma de cuartiles (PSC) para dicho individuo mediante: (b1) la conversión del nivel de los marcadores séricos IgA-AASC, IgG-AASC, anti-OmpC, un anticuerpo anti- CBir-1 y un anticuerpo anti-I2 en una puntuación de cuartil, (b2) la conversión del estado del marcador sérico ANACp en una puntuación de cuartil invertida, en la que un estatus positivo de este marcador se convierte en un "1" y un estatus negativo de este marcador se convierte en un "4", y (b3) sumar dicha puntuación de cuartiles para cada uno de dichos marcadores séricos, y (c) ayudar en el pronóstico de la EC mediante la determinación del riesgo de que dicho individuo desarrolle una complicación de EC durante el tiempo, seleccionando dicha complicación de EC de entre el grupo que consiste de enfermedad estenosante interna, enfermedad penetrante interna y una combinación de las mismas, en la que dicho riesgo se determina comparando dicho PSC y el genotipo de dichos marcadores genéticos para dicho individuo con un modelo serogenético que proporciona una probabilidad acumulada de desarrollo de una complicación de EC durante el tiempo, en el que dicho modelo serogenético se deriva mediante la aplicación de un análisis de regresión logística a las puntuaciones de suma de cuartiles obtenidas de la presencia o nivel de dichos marcadores séricos y el genotipo de dichos marcadores genéticos determinado en una cohorte retrospectiva con resultados conocidos de EC.
Description
La Tabla 1A proporciona una lista ejemplar de genes de EII, CU y EC, en la que el genotipado para la presencia o ausencia de una o más variantes alélicas (por ejemplo PSN) en el mismo resulta útil en los métodos diagnósticos y pronósticos. La Tabla 1B proporciona marcadores genéticos ejemplares adicionales y PSN correspondientes que
5 pueden genotiparse de acuerdo con los métodos diagnósticos y pronósticos de la EII. Las Tablas 1C-1E proporcionan marcadores genéticos ejemplares adicionales de EII, CU y EC y los PSN correspondientes que pueden genotiparse de acuerdo con los métodos diagnósticos y pronósticos descritos en la presente memoria.
Tabla 1A. Genes de EII, EC y CU
- Genes de EII (EC y CU)
- Genes de EII colónica Genes de CU Genes de EC
- IL23R
- Regiones HLA ECM1 NOD2
- IL12B/p40
- IL10 ATG16L1
- JAK2
- IFNg IRGM
- STAT3
- IL22 NLRP3
- NKX2.3
- IL26 5p13/PTGER4
- 3p21/MST1
- OTUD3 PTPN2
- CCNY
- PLA2G2E TNFSF15 (TL1A)
- IL18RAP
- ARPC2 IBD5/5q31
- LYRM4
- ZNF365
- CDKAL4
- PTPN22
- TNFRSF6B
- CCR6
- PSMG1
- LRRK2
- ICOSLG
- ITLN1
- ORMDL3
Tabla 1B. Genes de EII, EC y CU y PSN
- Gen
- PSN
- NOD2/CARD15
- rs2066847
- IL23R
- rs11465804
- ATG16L1
- rs3828309
- MST1
- rs3197999
- PTGER4
- rs4613763
- IRGM
- rs11747270
- TNFSF15
- rs4263839
- ZNF365
- rs10995271
- NKX2-3
- rs11190140
- PTPN2
- rs2542151
- PTPN22
- rs2476601
- ITLN1
- rs2274910
- IL12B
- rs10045431
- CDKAL1
- rs6908425
- CCR6
- rs2301436
- JAK2
- rs10758669
- C11orf30
- rs7927894
- LRRK2, MUC19
- rs11175593
- ORMDL3
- rs2872507
- STAT3
- rs744166
- ICOSLG
- rs762421
- GCKR
- rs780094
- BTNL2, SLC26A3, HLA-DRB1, HLA-DQA1
- rs3763313
- PUS10
- rs13003464
- CCL2, CCL7
- rs991804
- LYRM4
- rs12529198
- SLC22A23
- rs17309827
- IL18RAP
- rs917997
- IL12RB2
- rs7546245
- IL12RB1
- rs374326
- CD3D
- rs3212262
- CD3G
- rs3212262
- CD247
- rs704853
28
transcrito primario (un ARNmi-pri) es procesado para formar una estructura corta de tallo-bucle denominada pre-ARNmi y finalmente en un ARNmi maduro funcional. Las moléculas de ARNmi maduras son parcial o completamente complementarias a una o más moléculas de ARN mensajero (ARNm) y su función principal es regular negativamente la expresión génica. La identificación de los ARNmi se describe en, por ejemplo, Lagos
5 Quintana et al., Science 294:853-858; Lau et al., Science 294:858-862, y Lee et al., Science 294:862-864.
Los ARNmi de mamífero habitualmente son complementarios a un sitio en la RNT 3' de la secuencia diana de ARNm. La hibridación del ARNmi con el ARNm diana inhibe la traducción en proteínas mediante el bloqueo de la maquinaria de traducción en proteínas o facilita la escisión y degradación del ARNm diana mediante un proceso
10 similar a la interferencia de ARN (ARNi). Los ARNmi también pueden focalizar la metilación de sitios genómicos que corresponden a ARNm diana.
Se da a conocer que el marcador pronóstico de EII comprende por lo menos una secuencia de ARNmi (por ejemplo pre-ARNmi o ARNmi maduro). Se da a conocer que la secuencia de ARNmi presenta como diana la expresión de 15 cualquiera de los marcadores bioquímicos, séricos o genéticos indicados en la presente memoria, por ejemplo citoquinas, factores de crecimiento, proteínas de fase aguda, apolipoproteínas, defensinas, cadherinas, o cualquiera de los genes indicados en las Tablas 1A-1E (por ejemplo NOD2). Generalmente, la presencia o el nivel de la secuencia de ARNmi de interés se detecta en la muestra de un individuo y se incluye en el perfil de marcadores pronósticos para ayudar en el pronóstico de la EII y en la predicción de la respuesta a la terapia. Las secuencias
20 ejemplares de ARNmi adecuadas para la detección como marcadores diagnósticos y/o pronósticos se listan en la Tabla 2.
Tabla 2
- Gen diana
- Nombres de ARNmi diana (nº de acceso)
- Proteína C reactiva (PCR)
- hsa-miR-142-5p (MIMAT0000433); hsa-miR-939 (MIMAT0004982); hsa-miR
- 323-5p (MIMAT0004696); hsa-miR-550* (MIMAT0003257); hsa-miR-920
- (MIMAT0004970); hsa-miR-7 (MIMAT0000252); hsa-miR-424
- (MIMAT0001341); hsa-miR-135a* (MIMAT0004595); hsa-miR130b*
- (MIMAT0004680); hsa-miR-503 (MIMAT0002874); hsa-miR-16
- (MIMAT0000069); hsa-miR15b (MIMAT0000417); hsa-miR-20b*
- (MIMAT0004752); hsa-miR-30c-1* (MIMAT0004674); hsamiR-578
- (MIMAT0003243); hsa-miR-195 (MIMAT0000461); hsa-miR-141*
- (MIMAT0004598); hsamiR-220c (MIMAT0004915); hsa-miR-362-5p
- (MIMAT0000705); hsa-miR-30c-2* (MIMAT0004550); hsa-miR-186
- (MIMAT0000456); hsa-miR-497 (MIMAT0002820); hsa-miR-15a
- (MIMAT0000068); hsa-miR-873 (MIMAT0004953); hsa-miR-657
- (MIMAT0003335); hsa-miR-10a (MIMAT0000253); hsa-miR-379*
- (MIMAT0004690); hsa-miR-371-5p (MIMAT0004687); hsa-miR-150
- (MIMAT0000451); hsa-miR-890 (MIMAT0004912); hsa-miR-518f
- (MIMAT0002842); hsa-miR-624 (MIMAT0004807); hsa-miR-518a-3p
- (MIMAT0002863); hsa-miR-517* (MIMAT0002851); hsa-miR943
- (MIMAT0004986); hsa-miR-27a (MIMAT0000084); hsa-miR-27b
- (MIMAT0000419); hsa-miR500 (MIMAT0004773); hsa-miR-30a*
- (MIMAT0000088); hsa-miR-30d* (MIMAT0004551); hsa-miR411*
- (MIMAT0004813); hsa-miR-27b (MIMAT0000419); hsa-miR-518d-3p
- (MIMAT0002864); hsamiR-518e (MIMAT0002861); hsa-miR-10b
- (MIMAT0000254); hsa-miR-551b (MIMAT0003233); hsamiR-518c
- (MIMAT0002848); hsa-miR-934 (MIMAT0004977); hsa-miR-200c*
- (MIMAT0004657); hsa-miR-542-5p (MIMAT0003340); hsa-miR-299-5p
- (MIMAT0002890); hsa-miR-299-3p (MIMAT0000687)
- Amiloide A sérico (AAS)
- hsa-miR-339-5p (MIMAT0000764); hsa-miR-660 (MIMAT0003338); hsa-miR
- 18a* (MIMAT0002891); hsa-miR-125b (MIMAT0000423); hsa-miR-125a-5p
- (MIMAT0000443); hsa-miR937 (MIMAT0004980); hsa-miR-874
- (MIMAT0004911); hsa-miR-502-5p (MIMAT0002873); hsamiR-526b
- (MIMAT0002835); hsa-miR-339-3p (MIMAT0004702); hsa-miR-643
- (MIMAT0003313); hsa-miR-496 (MIMAT0002818)
- β defensina-1 (DEFB1)
- hsa-miR-186* (MIMAT0004612); hsa-miR-548d-5p (MIMAT0004812); hsa
- miR-202 (MIMAT0002811); hsa-miR-548b-5p (MIMAT0004798); hsa-miR-198
- (MIMAT0000228); hsa-miR186 (MIMAT0000456); hsa-miR-335
- (MIMAT0000765); hsa-miR-223* (MIMAT0004570); hsa-miR196b
- (MIMAT0001080); hsa-miR-653 (MIMAT0003328); hsa-miR-668
- (MIMAT0003881)
- β defensina-2 (DEFB2)
- hsa-miR-593 (MIMAT0004802); hsa-miR-299-5p (MIMAT0002890); hsa-miR518c* (MIMAT0002847); hsa-miR-511 (MIMAT0002808); hsa-miR-646 (MIMAT0003316); hsa-miR-129-3p (MIMAT0004605); hsa-miR-767-5p
34
- (MIMAT0003882); hsa-miR-129* (MIMAT0004548); hsamiR-588 (MIMAT0003255); hsa-miR-187 (MIMAT0000262)
- Factor de crecimiento
- hsa-miR-625 (MIMAT0003294); hsa-miR-29a* (MIMAT0004503); hsa-miR
- epidérmico (FCE)
- 499-5p (MIMAT0002870); hsa-miR-335* (MIMAT0004703); hsa-miR-17*
- (MIMAT0000071); hsa-miR-199b-5p (MIMAT0000263); hsa-miR-7-2*
- (MIMAT0004554); hsa-miR-134 (MIMAT0000447); hsa-miR-890
- (MIMAT0004912); hsa-miR-93* (MIMAT0004509); hsa-miR-7-1*
- (MIMAT0004553); hsa-miR-302b* (MIMAT0000714); hsa-miR-548c-3p
- (MIMAT0003285); hsa-miR-135b* (MIMAT0004698); hsa-miR-19b-2*
- (MIMAT0004492); hsa-miR-200a (MIMAT0000682); hsa-miR-26b
- (MIMAT0000083); hsamiR-199a-5p (MIMAT0000231); hsa-miR-632
- (MIMAT0003302); hsa-miR-644 (MIMAT0003314); hsa-miR-142-3p
- (MIMAT0000434); hsa-miR-518c (MIMAT0002848); hsa-miR-369-5p
- (MIMAT0001621)
- TWEAK
- hsa-miR-620 (MIMAT0003289); hsa-miR-939 (MIMAT0004982); hsa-miR-498
- (MIMAT0002824); hsa-miR-452* (MIMAT0001636); hsa-miR-623
- (MIMAT0003292); hsa-miR-21* (MIMAT0004494); hsa-miR-886-3p
- (MIMAT0004906); hsa-miR-423-5p (MIMAT0004748); hsa-miR-609
- (MIMAT0003277); hsa-miR-27b* (MIMAT0004588); hsa-miR-222
- (MIMAT0000279); hsa-miR-619 (MIMAT0003288); hsa-miR-585
- (MIMAT0003250); hsa-miR-221 (MIMAT0000278); hsa-miR-654-3p
- (MIMAT0004814); hsa-miR-524-3p (MIMAT0002850); hsa-miR-199b-5p
- (MIMAT0000263); hsa-miR-566 (MIMAT0003230); hsa-miR-525-3p
- (MIMAT0002839); hsa-miR-598 (MIMAT0003266); hsa-miR-887
- (MIMAT0004951); hsa-miR-551a (MIMAT0003214); hsa-miR-585
- (MIMAT0003250)
- IL-1β
- hsa-miR-888 (MIMAT0004916); hsa-miR-616* (MIMAT0003284); hsa-miR
- 548d-3p (MIMAT0003323); hsa-miR-211 (MIMAT0000268); hsa-miR-587
- (MIMAT0003253); hsa-miR-296-3p (MIMAT0004679); hsa-miR-548b-3p
- (MIMAT0003254); hsa-miR-595 (MIMAT0003263); hsa-miR-204
- (MIMAT0000265); hsa-miR-578 (MIMAT0003243); hsa-miR-208
- (MIMAT0000241); hsa-miR-208b (MIMAT0004960); hsa-miR-330-5p
- (MIMAT0004693); hsa-miR-26b* (MIMAT0004500); hsa-miR-495
- (MIMAT0002817); hsa-miR-616 (MIMAT0004805); hsa-miR-590-5p
- (MIMAT0003258); hsa-miR-943 (MIMAT0004986); hsa-miR-135a*
- (MIMAT0004595); hsamiR-361-5p (MIMAT0000703); hsa-miR-299-3p
- (MIMAT0000687); hsa-miR-603 (MIMAT0003271); hsa-miR-518e
- (MIMAT0002861); hsa-miR-556-3p (MIMAT0004793)
- IL-6
- hsa-miR-548b-5p (MIMAT0004798); hsa-miR-335* (MIMAT0004703); hsa
- miR-126* (MIMAT0000444); hsa-miR-376b (MIMAT0002172); hsa-miR-146a*
- (MIMAT0004608); hsa-miR571 (MIMAT0003236); hsa-miR-153
- (MIMAT0000439); hsa-miR-760 (MIMAT0004957); hsa-miR106a*
- (MIMAT0004517); hsa-miR-371-5p (MIMAT0004687); hsa-miR-376a
- (MIMAT0000729); hsamiR-144 (MIMAT0000436); hsa-miR-518c*
- (MIMAT0002847); hsa-miR-548d-5p (MIMAT0004812); hsa-miR-365
- (MIMAT0000710); hsa-miR-548c-5p (MIMAT0004806); hsa-miR-587
- (MIMAT0003253); hsa-miR-33a* (MIMAT0004506); hsa-miR-574-3p
- (MIMAT0003239); hsa-miR568 (MIMAT0003232); hsalet-7i (MIMAT0000415);
- hsa-miR-148b* (MIMAT0004699); hsa-miR-655 (MIMAT0003331); hsa-miR
- 548a-5p (MIMAT0004803); hsa-miR-148a* (MIMAT0004549); hsa-miR613
- (MIMAT0003281); hsa-miR-146b-3p (MIMAT0004766); hsa-miR-149
- (MIMAT0000450); hsamiR-217 (MIMAT0000274); hsa-miR-196b
- (MIMAT0001080); hsa-miR-22* (MIMAT0004495); hsamiR-137
- (MIMAT0000429); hsa-miR-498 (MIMAT0002824); hsalet-7g
- (MIMAT0000414); hsa-miR155 (MIMAT0000646); hsa-miR-383
- (MIMAT0000738); hsa-miR-576-3p (MIMAT0004796); hsamiR-183*
- (MIMAT0004560); hsa-miR-555 (MIMAT0003219); hsa-miR-589
- (MIMAT0004799); hsamiR-338-5p (MIMAT0004701); hsa-miR-522
- (MIMAT0002868); hsa-miR-643 (MIMAT0003313); hsa-miR-369-3p
- (MIMAT0000721); hsa-miR-552 (MIMAT0003215); hsa-miR-499-5p
- (MIMAT0002870); hsa-miR-137 (MIMAT0000429); hsa-miR-338-5p
- (MIMAT0004701); hsa-miR374b (MIMAT0004955); hsa-miR-376c
- (MIMAT0000720); hsa-miR-588 (MIMAT0003255); hsa-miR212
- (MIMAT0000269); hsa-miR-132 (MIMAT0000426)
- Cadherina-E
- hsa-miR-143* (MIMAT0004599); hsa-miR-544 (MIMAT0003164); hsa-miR
35
- Anti-I2 (replegado)
- Secuencia bacteriana I2 de Pseudomonas fluorescens
- PRC
- Proteína C reactiva
- AAS
- Amiloide A sérico
- FCE
- Factor de crecimiento epidérmico
- MAC-V1
- Molécula 1 de adhesión celular vascular
- MAC-I1
- Molécula 1 de adhesión celular intracelular
- NOD2
- Dominio de oligomerización de unión a nucleótidos 2
- rs5743293 PSN13 -(3020insC)
- rs2066845 PSN12 -(G908R)
- rs2066844 PSN8 -(R702W)
En el presente ejemplo, se estudiaron 1.172 muestras de múltiples instituciones. Cada placa presentaba 5 a 6 calibradores/estándares. El protocolo de pronóstico comprendía análisis de proteínas séricas y de genotipado. Todos los ensayos para anti-OmpC, anti-I2, IgG-AASC, IgA-AASC, CBir1 y ANAC se llevaron a cabo a dos
5 diluciones del suero (1:100 y 1:200). Se determinaron los niveles de los anticuerpos y se expresaron los resultados como unidades de ELISA (UE/ml), que son relativos a un estándar que se deriva de una agrupación de sueros de pacientes con enfermedad bien caracterizada.
El nivel del analito en las muestras desconocidas se determinó utilizando por lo menos los dos estándares más 10 próximos. El CV para los duplicados se fijó en 15%.
El análisis de genotipado incluía tres polimorfismos de un solo nucleótido (PSN) de NOD2/CARD15: rs5743293 PSN13 -(3020insC); rs2066845 PSN12 -(G908R) y rs2066844SNP8 -(R702W).
15 La figura 16 ilustra una curva de calibración ejemplar para I2. La figura 17 ilustra una curva de calibración ejemplar para I2 con estándares. La figura 18 muestra las tendencias de los estándares utilizando una curva de calibración nominal.
En determinados aspectos, basándose en el número de marcadores elevados, se evalúa el riesgo de cada paciente
20 de complicaciones y cirugía. En determinados aspectos, se mide y analiza un panel de biomarcadores (séricos, genéticos y proteicos). En un aspecto, se utilizan doce biomarcadores y por lo menos uno, por lo menos dos, por lo menos tres, por lo menos cuatro, por lo menos cinco, por lo menos seis, por lo menos siete, por lo menos ocho, por lo menos nueve, por lo menos diez, por lo menos once o por lo menos doce marcadores. En un aspecto, cada biomarcador se considera elevado en el caso de que sea superior a la mediana.
25 Se da a conocer que se calcula el número de marcadores elevados y todos los marcadores contribuyen igualmente. Los marcadores pueden ser una media ponderada, o pueden ser una puntuación de análisis de cuartiles (por ejemplo PSC), un análisis de percentiles, o en determinados casos, se pondera la interacción entre determinados marcadores (sinergia).
30 Tabla 15. Tablas de contingencia -Complicaciones
- NoCo mp.
- Co mp . No Co mp. Co mp . Valor de P de la prueba exacta de Fisher NoC omp. Co mp . No Co mp. Co mp . Valor de P de la prueba exacta de Fisher
- IgA-AA SC
- B aj as 295 25 1 54 % 46 % 0,0000 AA S Ba ja s 260 30 2 46 % 54 % 0,0001
- Al ta s
- 156 39 0 29 % 71 % Alt as 196 36 6 35 % 65 %
- No Comp .
- Co mp . No Co mp. Co mp . No Com p. Co mp . No Co mp. Co mp .
- IgG-AA SC
- B aj as 297 27 1 52 % 48 % 0,0000 MAI C1 Ba ja s 258 30 3 46 % 54 % 0,0004
- Al ta s
- 166 40 2 29 % 71 % Alt as 199 36 2 35 % 65 %
- No Comp
- Co mp No Co Co mp No Com Co mp No Co Co mp
65
- .
- .
- mp. . p. . mp.
- .
- CBir 1
- B aj as 271 27 0 50 % 50 % 0,0000 MA CV 1 Ba ja s 259 29 2 47 % 53 % 0,0000
- Al ta s
- 174 36 8 32 % 68 % Alt as 189 36 3 34 % 66 %
- No Comp .
- Co mp . No Co mp. Co mp . No Com p. Co mp . No Co mp. Co mp .
- Om pC
- B aj as 251 25 3 50 % 50 % 0,0000 FC E Ba ja s 251 30 9 45 % 55 % 0,0074
- Al ta s
- 154 35 1 30 % 70 % Alt as 206 35 4 37 % 63 %
- No Comp .
- Co mp . No Co mp. Co mp . No Com p. Co mp . No Co mp. Co mp .
- 12
- B aj as 219 26 8 45 % 55 % 0,0159 PC R Ba ja s 256 31 1 45 % 55 % 0,0025
- Al ta s
- 181 30 6 37 % 63 % 0,0000 AA S Alt as 205 36 2 36 % 64 %
En la Tabla 15 se muestran diez marcadores. Para cada marcador se dividen las muestras en superiores e inferiores a la mediana ("Altas" y "Bajas"). Cada muestra se clasificó también como con complicaciones (por ejemplo fenotipo/comportamiento de enfermedad estenosante, penetrante) o sin complicaciones. Para cada marcador se
5 muestran los recuentos de muestras en una tabla 2x2 (bajas vs. altas y complicaciones vs. sin compl.). Para los diez marcadores la población con niveles "Altos" presentó un porcentaje significativamente más alto de personas con complicaciones que la población con niveles "Bajos" de marcador, tal como muestran los porcentajes que pueden leerse directamente a la derecha de los recuentos de cada marcador. Se muestra la significancia estadística; todos los valores son <0,05.
10 Table 16. Tablas de contingencia -Cirugía
- No ciru gía
- Ciru g. No ciru gía Ciru g. Valo r de P de la prue ba exac ta de Fish er No ciru gía Ciru g. No ciru gía Ciru g. Valo r de P de la prue ba exac ta de Fish er
- IgA-AAS C
- Baj as 329 217 60% 40 % 0,00 00 AAS Baj as 251 311 45% 55 % 0,40 21
- Alta s
- 182 364 33% 67 % Alta s 266 296 47% 53 %
- No ciru gía
- Ciru g. No ciru gía Ciru g. No ciru gía Ciru g. No ciru gía Ciru g.
- IgG-AAS C
- Baj as 337 231 59% 41 % 0,00 00 MAI C1 Baj as 255 306 45% 55 % 0,76 46
- Alta s
- 188 380 33% 67 % Alta s 261 300 47% 53 %
66
- Sin ciru gía
- Ciru g. Sin ciru gía Ciru g. No ciru gía Ciru g. No ciru gía Ciru g.
- CBir 1
- Baj as 277 264 51% 49 % 0,00 23 MAC V1 Baj as 271 280 49% 51 % 0,03 45
- Alta s
- 227 315 42% 58 % Alta s 236 316 43% 57 %
- Sin ciru gía
- Ciru g. Sin ciru gía Ciru g. No ciru gía Ciru g. No ciru gía Ciru g.
- Om pC
- Baj as 287 217 57% 43 % 0,00 00 FCE Baj as 231 329 41% 59 % 0,00 12
- Alta s
- 174 331 34% 66 % Alta s 286 274 51% 49 %
- Sin ciru gía
- Ciru g. Sin ciru gía Ciru g. No ciru gía Ciru g. No ciru gía Ciru g.
- I2
- Baj as 234 253 48% 52 % 0,27 46 PCR Baj as 254 313 45% 55 % 0,43 86
- Alta s
- 216 271 44% 56 % Alta s 268 299 47% 53 %
En la Tabla 16, anteriormente, se muestran diez marcadores. Para cada marcador se dividen las muestras en superiores e inferiores a la mediana ("Altas" y "Bajas"). En ésta las muestras se clasifican como sometidas a cirugía
o no, y no con complicaciones o sin complicaciones (tal como en la Tabla 15). Seis de diez marcadores mostraban significancia, es decir, IgA-AASC, IgG-AASC, anti-CBir1, anti-OmpC, MACV1 y FCE.
Tabla 17. Bajas/Altas=inferiores/superiores a la mediana de la población de EC
- Número Elevado
- Porcentaje de complicaciones Recuento Porcentaje del recuento
- 0
- 6% 16 2%
- 1
- 38% 37 5%
- 2
- 39% 88 12%
- 3
- 33% 92 12%
- 4
- 62% 132 18%
- 5
- 66% 138 19%
- 6
- 73% 106 14%
- 7
- 78% 81 11%
- 8
- 80% 45 6%
- 9
- 90% 10 1%
- Total:
- 745
En la Tabla 17 los marcadores se consideran "todos simultáneamente" en lugar de individualmente. Los marcadores
10 eran los siguientes: IgA-AASC, IgG-AASC, anti-CBir1, anti-OmpC, anti-I2, MACV1, MAIC, AAS y FCE. Cada uno de dichos nueve marcadores se clasificó como "bajo" o "alto" (frente a la mediana) para cada muestra. Además, se sumó el número de marcadores que eran "altos" para cada muestra. Es decir, el número de marcadores elevados, que fueron 0-9 (ya que se incluyeron nueve marcadores en total en el presente ejemplo). Finalmente, para cada subgrupo de muestras (muestras con 0, 1, 2... 9 marcadores elevados), se muestra el porcentaje que presentó
15 complicaciones. La figura 19 proporciona una ilustración gráfica del porcentaje de complicaciones basado en el número de marcadores elevados.
Tabla 18. Cirugía -nº de marcadores elevados (de entre 9)
- Número Elevado
- Porcentaje Cirugía Recuento Porcentaje del recuento
- 0
- 44% 16 2%
- 1
- 32% 37 5%
- 2
- 40% 88 12%
- 3
- 41% 92 12%
- 4
- 57% 132 18%
- 5
- 51% 138 19%
- 6
- 64% 106 14%
- 7
- 62% 81 11%
67
La Tabla 20 muestra cuántas personas presentaban mutaciones de NOD2. Para tres sitios dentro del gen NOD2 (PSN8, PSN12 y PSN13), lo anterior muestra cuántas muestras presentaba cero, una o dos mutaciones. Las tablas sugieren que, debido a que hay pocas personas con 2 mutaciones, es mejor agruparlas en "cero mutaciones" o "una
o dos" mutaciones.
- Prueb a exact a de Fishe r
- Prueb a exact a de Fishe r
- PSN8
- Sin com p. Com p. Sin com p. Com p. valor de P PSN1 2, 13 Sin com p. Com p. Sin com p. Com p. valor de P
- Peso
- 100 149 40% 60% 0,858 Wt 106 138 43% 57% 0,070
- 1+ Mut
- 15 21 42% 58% 1 Mut 11 27 29% 71%
- 2+ Mut
- 4 14 22% 78%
- Prueb a exact a de Fishe r
- PSN1 2
- Sin com p. Com p. Sin com p. Com p. valor de P Prueb a exact
69
- a de Fishe r
- Peso
- 109 161 40% 60% 1 PSN8, 12, 13 Sin com p. Com p. Sin com p. Com p. valor de P
- 1+ Mut
- 12 19 39% 61% Peso 85 108 44% 56% 0,039
- 1 Mut
- 26 41 39% 61%
- 2+ Mut
- 4 19 17% 83%
- Prueb a exact a de Fishe r
- PSN1 3
- Sin com p. Com p. Sin com p. Com p. valor de P
- Peso
- 115 153 43% 57% 0,008
- 1+ Mut
- 6 27 18% 82%
La Tabla 21 muestra tablas 2x2, (a la izquierda) divide a las personas en "cero mutaciones" y "una o dos mutaciones". Para cada uno de dichos grupos se dividieron las personas en "Presentaron complicaciones" o "No presentaron complicaciones". Sólo PSN13 fue significativo. Para PSN13, entre las personas con mutación en PSN13, un porcentaje mayor presentó complicaciones (82%) que la población sin mutaciones en PSN13 (de ellos, sólo 57% presentó complicaciones).
Tabla 22. Cirugía -NOD2
- Prueba exacta de Fisher
- Prueba exacta de Fisher
- PS N8
- No ciru g. Ciru gía No ciru g. Ciru gía valor de P PSN 12, 13 No cirug . Ciru gía No cirug . Ciru gía valor de P
- Pes o
- 82 167 33 % 67 % 0,574 Pes o 87 157 36% 64% 0,006
- 1+ Mut
- 10 26 28 % 72 % 1 Mut 8 30 21% 79%
- 2+ Mut
- 1 17 6% 94%
- Prueba exacta de Fisher
- PS N12
- No ciru g. Ciru gía No ciru g. Ciru gía valor de P Prueba exacta de Fisher
- Pes o
- 89 181 33 % 67 % 0,310 PSN 8, 12, 13 No cirug . Ciru gía No cirug . Ciru gía valor de P
- 1+ Mut
- 7 24 23 % 77 % Pes o 73 120 38% 62% 0,005
- 1 Mut
- 17 50 25% 75%
- 2+ Mut
- 2 21 9% 91%
- PS N13
- No ciru g. Ciru gía No ciru g. Ciru gía valor de P
70
Además, la presencia de dos mutaciones (cross PSN8, 12 y 13, incluyendo tanto las heterocigóticas como las homocigóticas) se trató como un caso especial con un riesgo fijo altamente elevado (99%).
5 Mediante la utilización de este modelo de mutación (para muestras con mutaciones PSN13), la figura 33 muestra las probabilidades predichas por el modelo para un abanico de valores de PSC y duración.
10 La escala de PSC va de 6 a 24, y no un más convencional 1 a 10. Además, la interpretación de una puntuación de PSC dada es diferente para pacientes con y sin mutaciones PSN13. Se construyó una única escala común de riesgo con valores entre 1 y 10.
15 La tabla a continuación muestra cómo se llevó a cabo lo anterior. La probabilidad de un fenotipo de complicación dentro de los diez años de duración se toma como referencia. El número de la escala estandarizada es simplemente el primer dígito (el situado más a la izquierda) de la probabilidad. La escala resultante presenta valores del modelo sérico comprendidos entre 1 y 9 y valores serogenéticos comprendidos entre 6 y 10. (La puntuación de 10 se reserva para las dobles mutaciones, no mostrada).
20 Tabla 53: Escala de riesgo estandarizada
- Escala estandarizada
- PSC de regresión sérica Prob. año 10 PSC serogenético Prob. mut. año 10
- 1
- QSS 6 16%
- 1
- QSS 7 19%
- 2
- QSS 8 23%
- 2
- QSS 9 27%
- 3
- QSS 10 32%
- 3
- QSS 11 36%
- 4
- QSS 12 42%
- 4
- QSS 13 47%
- 5
- QSS 14 53%
- 5
- QSS 15 58%
- 6
- QSS 16 63% QSS 6 64%
- 6
- QSS 17 68% QSS 7 69%
- 7
- QSS 18 73% QSS 8 73%
- 7
- QSS 19 77% QSS 9 77%
- 8
- QSS 20 80% QSS 10 80%
- 8
- QSS 21 84% QSS 11 84%
- 8
- QSS 22 86% QSS 12 86%
- 8
- QSS 23 89% QSS 13 89%
- 9
- QSS 24 91% QSS 14 91%
- 9
- QSS 15 92%
- 9
- QSS 16 94%
- 9
- QSS 17 95%
- 9
- QSS 18 96%
- 9
- QSS 19 97%
- 9
- QSS 20 97%
Tabla 53 (continuación)
- 9
- QSS 21 98%
- 9
- QSS 22 98%
- 9
- QSS 23 98%
- 9
- QSS 24 99%
- 25
- VI. VALIDACIÓN DE ALGORITMOS
- 85
Claims (1)
-
imagen1 imagen2
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-
2010
- 2010-04-13 NZ NZ595471A patent/NZ595471A/en not_active IP Right Cessation
- 2010-04-13 ES ES10713793.7T patent/ES2553415T3/es active Active
- 2010-04-13 EP EP15157904.2A patent/EP2960342A1/en not_active Withdrawn
- 2010-04-13 CA CA2758531A patent/CA2758531C/en active Active
- 2010-04-13 WO PCT/US2010/030934 patent/WO2010120814A1/en not_active Ceased
- 2010-04-13 EP EP10713793.7A patent/EP2419529B1/en active Active
- 2010-04-13 BR BRPI1013560A patent/BRPI1013560A2/pt not_active Application Discontinuation
- 2010-04-13 NZ NZ619527A patent/NZ619527A/en not_active IP Right Cessation
- 2010-04-13 AU AU2010236568A patent/AU2010236568B2/en not_active Ceased
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| EP2419529B1 (en) | 2015-05-20 |
| EP2960342A1 (en) | 2015-12-30 |
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| US9732385B2 (en) | 2017-08-15 |
| NZ595471A (en) | 2014-01-31 |
| AU2010236568A1 (en) | 2011-11-03 |
| CA2758531C (en) | 2018-11-13 |
| IL215619A (en) | 2016-02-29 |
| AU2010236568B2 (en) | 2015-08-27 |
| BRPI1013560A2 (pt) | 2018-06-19 |
| IL240082A0 (en) | 2015-08-31 |
| EP2419529A1 (en) | 2012-02-22 |
| NZ619527A (en) | 2015-06-26 |
| WO2010120814A1 (en) | 2010-10-21 |
| US20110045476A1 (en) | 2011-02-24 |
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