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c_corpus

Id Subject Object Predicate Lexical cue
T1 14-20 UBERON:0027368 denotes matrix
T2 14-39 D020782 denotes matrix metalloproteinases
T4 50-60 CHEBI:35222 denotes inhibitors
T5 77-84 D012172 denotes retinal
T6 77-84 CHEBI:17898 denotes retinal
T7 77-84 D012172 denotes retinal
T8 77-84 CHEBI:15035 denotes retinal
T9 77-84 CHEBI:45487 denotes retinal
T12 85-112 D015427 denotes ischemia-reperfusion injury
T13 85-112 D015427 denotes ischemia-reperfusion injury
T16 116-120 10118 denotes rats
T17 116-120 10116 denotes rats
T18 116-120 D051381 denotes rats
T19 129-147 D045726 denotes metalloproteinases
T20 149-153 D020782 denotes MMPs
T22 159-173 8031 denotes endopeptidases
T21 159-173 D010450 denotes endopeptidases
T24 191-211 GO:0031012 denotes extracellular matrix
T25 205-211 UBERON:0027368 denotes matrix
T26 213-216 PR:Q13201 denotes ECM
T28 213-216 PR:000010492 denotes ECM
T27 213-216 UBERON:4000022 denotes ECM
T29 242-254 GO:0009405 denotes pathogenesis
T30 258-265 D012172 denotes retinal
T31 258-265 CHEBI:17898 denotes retinal
T32 258-265 D012172 denotes retinal
T33 258-265 CHEBI:15035 denotes retinal
T34 258-265 CHEBI:45487 denotes retinal
T35 258-278 D012162 denotes retinal degeneration
T36 258-278 D012162 denotes retinal degeneration
T37 290-296 UBERON:0000479 denotes tissue
T38 297-307 CHEBI:35222 denotes inhibitors
T39 311-329 D045726 denotes metalloproteinases
T40 423-427 D020782 denotes MMPs
T41 429-432 CHEBI:340824 denotes MMP
T44 429-432 CHEBI:59761 denotes MMP
T45 429-434 PR:P08253 denotes MMP-2
T46 429-434 Q9GLE5 denotes MMP-2
T47 429-434 P08253 denotes MMP-2
T48 429-434 Q90611 denotes MMP-2
T50 429-434 PR:Q8MPP3 denotes MMP-2
T51 429-434 P33436 denotes MMP-2
T52 429-434 PR:Q90611 denotes MMP-2
T53 429-434 PR:P33436 denotes MMP-2
T54 429-434 PR:000010479 denotes MMP-2
T55 429-434 PR:P33434 denotes MMP-2
T56 429-434 P33434 denotes MMP-2
T57 429-434 P50757 denotes MMP-2
T49 429-434 GO:0004228 denotes MMP-2
T58 439-442 CHEBI:340824 denotes MMP
T61 439-442 CHEBI:59761 denotes MMP
T62 439-444 PR:P50282 denotes MMP-9
T63 439-444 PR:P14780 denotes MMP-9
T64 439-444 P14780 denotes MMP-9
T65 439-444 PR:P41245 denotes MMP-9
T66 439-444 P41246 denotes MMP-9
T67 439-444 P41245 denotes MMP-9
T68 439-444 PR:P52176 denotes MMP-9
T69 439-444 P50282 denotes MMP-9
T71 439-444 PR:000010491 denotes MMP-9
T72 439-444 P52176 denotes MMP-9
T73 439-444 O18733 denotes MMP-9
T70 439-444 GO:0004229 denotes MMP-9
T74 464-474 CHEBI:35222 denotes inhibitors
T79 476-482 P81546 denotes TIMP-1
T80 476-482 O02722 denotes TIMP-1
T81 476-482 P49061 denotes TIMP-1
T82 476-482 P50122 denotes TIMP-1
T83 476-482 P20614 denotes TIMP-1
T84 476-482 P12032 denotes TIMP-1
T85 476-482 P35624 denotes TIMP-1
T86 476-482 P20414 denotes TIMP-1
T87 476-482 Q95KL9 denotes TIMP-1
T88 476-482 Q5RC60 denotes TIMP-1
T89 476-482 PR:P30120 denotes TIMP-1
T90 476-482 P30120 denotes TIMP-1
T91 476-482 PR:000016352 denotes TIMP-1
T93 476-482 PR:P12032 denotes TIMP-1
T94 476-482 PR:P01033 denotes TIMP-1
T95 476-482 P01033 denotes TIMP-1
T92 476-482 D019715 denotes TIMP-1
T100 487-493 PR:P16035 denotes TIMP-2
T101 487-493 PR:000016353 denotes TIMP-2
T102 487-493 O42146 denotes TIMP-2
T103 487-493 Q9TRZ7 denotes TIMP-2
T104 487-493 Q9TTY1 denotes TIMP-2
T105 487-493 Q60453 denotes TIMP-2
T106 487-493 P16035 denotes TIMP-2
T108 487-493 P25785 denotes TIMP-2
T109 487-493 P16368 denotes TIMP-2
T110 487-493 O77717 denotes TIMP-2
T111 487-493 PR:P25785 denotes TIMP-2
T112 487-493 P30121 denotes TIMP-2
T113 487-493 Q9WUC6 denotes TIMP-2
T114 487-493 PR:P30121 denotes TIMP-2
T115 487-493 PR:O42146 denotes TIMP-2
T107 487-493 D019716 denotes TIMP-2
T116 514-521 D012172 denotes retinal
T117 514-521 CHEBI:17898 denotes retinal
T118 514-521 D012172 denotes retinal
T119 514-521 CHEBI:15035 denotes retinal
T120 514-521 CHEBI:45487 denotes retinal
T123 522-549 D015427 denotes ischemia-reperfusion injury
T124 522-549 D015427 denotes ischemia-reperfusion injury
T127 551-558 D012172 denotes Retinal
T128 551-558 CHEBI:17898 denotes Retinal
T129 551-558 D012172 denotes Retinal
T130 551-558 CHEBI:15035 denotes Retinal
T131 551-558 CHEBI:45487 denotes Retinal
T134 559-586 D015427 denotes ischemia-reperfusion injury
T135 559-586 D015427 denotes ischemia-reperfusion injury
T138 609-614 UBERON:0007023 denotes adult
T139 615-619 10118 denotes rats
T140 615-619 10116 denotes rats
T141 615-619 D051381 denotes rats
T142 662-670 D007511 denotes ischemia
T143 662-670 D007511 denotes ischemia
T145 738-741 PR:P63003-1 denotes rat
T146 738-741 PR:Q2G0B1 denotes rat
T147 738-741 PR:Q8VHJ4 denotes rat
T144 738-741 10116 denotes rat
T148 738-741 D051381 denotes rat
T149 764-771 D012172 denotes Retinal
T150 764-771 CHEBI:17898 denotes Retinal
T151 764-771 D012172 denotes Retinal
T152 764-771 CHEBI:15035 denotes Retinal
T153 764-771 CHEBI:45487 denotes Retinal
T154 839-842 CHEBI:340824 denotes MMP
T157 839-842 CHEBI:59761 denotes MMP
T158 839-844 PR:P08253 denotes MMP-2
T159 839-844 Q9GLE5 denotes MMP-2
T160 839-844 P08253 denotes MMP-2
T161 839-844 Q90611 denotes MMP-2
T163 839-844 PR:Q8MPP3 denotes MMP-2
T164 839-844 P33436 denotes MMP-2
T165 839-844 PR:Q90611 denotes MMP-2
T166 839-844 PR:P33436 denotes MMP-2
T167 839-844 PR:000010479 denotes MMP-2
T168 839-844 PR:P33434 denotes MMP-2
T169 839-844 P33434 denotes MMP-2
T170 839-844 P50757 denotes MMP-2
T162 839-844 GO:0004228 denotes MMP-2
T175 864-870 P81546 denotes TIMP-1
T176 864-870 O02722 denotes TIMP-1
T177 864-870 P49061 denotes TIMP-1
T178 864-870 P50122 denotes TIMP-1
T179 864-870 P20614 denotes TIMP-1
T180 864-870 P12032 denotes TIMP-1
T181 864-870 P35624 denotes TIMP-1
T182 864-870 P20414 denotes TIMP-1
T183 864-870 Q95KL9 denotes TIMP-1
T184 864-870 Q5RC60 denotes TIMP-1
T185 864-870 PR:P30120 denotes TIMP-1
T186 864-870 P30120 denotes TIMP-1
T187 864-870 PR:000016352 denotes TIMP-1
T189 864-870 PR:P12032 denotes TIMP-1
T190 864-870 PR:P01033 denotes TIMP-1
T191 864-870 P01033 denotes TIMP-1
T188 864-870 D019715 denotes TIMP-1
T196 875-881 PR:P16035 denotes TIMP-2
T197 875-881 PR:000016353 denotes TIMP-2
T198 875-881 O42146 denotes TIMP-2
T199 875-881 Q9TRZ7 denotes TIMP-2
T200 875-881 Q9TTY1 denotes TIMP-2
T201 875-881 Q60453 denotes TIMP-2
T202 875-881 P16035 denotes TIMP-2
T204 875-881 P25785 denotes TIMP-2
T205 875-881 P16368 denotes TIMP-2
T206 875-881 O77717 denotes TIMP-2
T207 875-881 PR:P25785 denotes TIMP-2
T208 875-881 P30121 denotes TIMP-2
T209 875-881 Q9WUC6 denotes TIMP-2
T210 875-881 PR:P30121 denotes TIMP-2
T211 875-881 PR:O42146 denotes TIMP-2
T203 875-881 D019716 denotes TIMP-2
T212 898-905 SO:0001031 denotes reverse
T216 922-929 PR:000000001 denotes protein
T214 922-929 CHEBI:36080 denotes protein
T215 922-929 CHEBI:11122 denotes protein
T217 922-929 SO:0000104 denotes protein
T213 922-929 GO:0003675 denotes protein
T218 1052-1055 CHEBI:340824 denotes MMP
T221 1052-1055 CHEBI:59761 denotes MMP
T222 1052-1057 PR:P50282 denotes MMP-9
T223 1052-1057 PR:P14780 denotes MMP-9
T224 1052-1057 P14780 denotes MMP-9
T225 1052-1057 PR:P41245 denotes MMP-9
T226 1052-1057 P41246 denotes MMP-9
T227 1052-1057 P41245 denotes MMP-9
T228 1052-1057 PR:P52176 denotes MMP-9
T229 1052-1057 P50282 denotes MMP-9
T231 1052-1057 PR:000010491 denotes MMP-9
T232 1052-1057 P52176 denotes MMP-9
T233 1052-1057 O18733 denotes MMP-9
T230 1052-1057 GO:0004229 denotes MMP-9
T234 1065-1071 UBERON:0000966 denotes retina
T235 1114-1122 C069860 denotes ProMMP-2
T239 1175-1183 C120487 denotes ProMMP-9
T257 1376-1383 D012172 denotes retinal
T258 1376-1383 CHEBI:17898 denotes retinal
T259 1376-1383 D012172 denotes retinal
T260 1376-1383 CHEBI:15035 denotes retinal
T261 1376-1383 CHEBI:45487 denotes retinal
T262 1429-1433 D004492 denotes EDTA
T263 1429-1433 CHEBI:42191 denotes EDTA
T264 1429-1433 CHEBI:64755 denotes EDTA
T265 1429-1433 D004492 denotes EDTA
T266 1497-1526 C010024 denotes 4-aminophenylmercuric acetate
T267 1497-1526 C010024 denotes 4-aminophenylmercuric acetate
T269 1519-1526 164 denotes acetate
T271 1528-1532 PR:P54672 denotes APMA
T272 1620-1623 CHEBI:340824 denotes MMP
T275 1620-1623 CHEBI:59761 denotes MMP
T276 1620-1625 PR:P08253 denotes MMP-2
T277 1620-1625 Q9GLE5 denotes MMP-2
T278 1620-1625 P08253 denotes MMP-2
T279 1620-1625 Q90611 denotes MMP-2
T281 1620-1625 PR:Q8MPP3 denotes MMP-2
T282 1620-1625 P33436 denotes MMP-2
T283 1620-1625 PR:Q90611 denotes MMP-2
T284 1620-1625 PR:P33436 denotes MMP-2
T285 1620-1625 PR:000010479 denotes MMP-2
T286 1620-1625 PR:P33434 denotes MMP-2
T287 1620-1625 P33434 denotes MMP-2
T288 1620-1625 P50757 denotes MMP-2
T280 1620-1625 GO:0004228 denotes MMP-2
T292 1657-1664 PR:000000001 denotes protein
T289 1657-1664 GO:0003675 denotes protein
T293 1657-1664 SO:0000104 denotes protein
T290 1657-1664 CHEBI:36080 denotes protein
T291 1657-1664 CHEBI:11122 denotes protein
T298 1724-1730 P81546 denotes TIMP-1
T299 1724-1730 O02722 denotes TIMP-1
T300 1724-1730 P49061 denotes TIMP-1
T301 1724-1730 P50122 denotes TIMP-1
T302 1724-1730 P20614 denotes TIMP-1
T303 1724-1730 P12032 denotes TIMP-1
T304 1724-1730 P35624 denotes TIMP-1
T305 1724-1730 P20414 denotes TIMP-1
T306 1724-1730 Q95KL9 denotes TIMP-1
T307 1724-1730 Q5RC60 denotes TIMP-1
T308 1724-1730 PR:P30120 denotes TIMP-1
T309 1724-1730 P30120 denotes TIMP-1
T310 1724-1730 PR:000016352 denotes TIMP-1
T312 1724-1730 PR:P12032 denotes TIMP-1
T313 1724-1730 PR:P01033 denotes TIMP-1
T314 1724-1730 P01033 denotes TIMP-1
T311 1724-1730 D019715 denotes TIMP-1
T319 1735-1741 PR:P16035 denotes TIMP-2
T320 1735-1741 PR:000016353 denotes TIMP-2
T321 1735-1741 O42146 denotes TIMP-2
T322 1735-1741 Q9TRZ7 denotes TIMP-2
T323 1735-1741 Q9TTY1 denotes TIMP-2
T324 1735-1741 Q60453 denotes TIMP-2
T325 1735-1741 P16035 denotes TIMP-2
T327 1735-1741 P25785 denotes TIMP-2
T328 1735-1741 P16368 denotes TIMP-2
T329 1735-1741 O77717 denotes TIMP-2
T330 1735-1741 PR:P25785 denotes TIMP-2
T331 1735-1741 P30121 denotes TIMP-2
T332 1735-1741 Q9WUC6 denotes TIMP-2
T333 1735-1741 PR:P30121 denotes TIMP-2
T334 1735-1741 PR:O42146 denotes TIMP-2
T326 1735-1741 D019716 denotes TIMP-2
T338 1742-1749 PR:000000001 denotes protein
T335 1742-1749 GO:0003675 denotes protein
T339 1742-1749 SO:0000104 denotes protein
T336 1742-1749 CHEBI:36080 denotes protein
T337 1742-1749 CHEBI:11122 denotes protein
T343 1763-1770 PR:000000001 denotes protein
T340 1763-1770 GO:0003675 denotes protein
T344 1763-1770 SO:0000104 denotes protein
T341 1763-1770 CHEBI:36080 denotes protein
T342 1763-1770 CHEBI:11122 denotes protein
T345 1793-1800 SO:0001031 denotes reverse
T346 1849-1852 CHEBI:340824 denotes MMP
T349 1849-1852 CHEBI:59761 denotes MMP
T350 1849-1854 PR:P50282 denotes MMP-9
T351 1849-1854 PR:P14780 denotes MMP-9
T352 1849-1854 P14780 denotes MMP-9
T353 1849-1854 PR:P41245 denotes MMP-9
T354 1849-1854 P41246 denotes MMP-9
T355 1849-1854 P41245 denotes MMP-9
T356 1849-1854 PR:P52176 denotes MMP-9
T357 1849-1854 P50282 denotes MMP-9
T359 1849-1854 PR:000010491 denotes MMP-9
T360 1849-1854 P52176 denotes MMP-9
T361 1849-1854 O18733 denotes MMP-9
T358 1849-1854 GO:0004229 denotes MMP-9
T362 1879-1885 UBERON:0000966 denotes retina
T363 1940-1943 CHEBI:340824 denotes MMP
T366 1940-1943 CHEBI:59761 denotes MMP
T367 1940-1945 PR:P50282 denotes MMP-9
T368 1940-1945 PR:P14780 denotes MMP-9
T369 1940-1945 P14780 denotes MMP-9
T370 1940-1945 PR:P41245 denotes MMP-9
T371 1940-1945 P41246 denotes MMP-9
T372 1940-1945 P41245 denotes MMP-9
T373 1940-1945 PR:P52176 denotes MMP-9
T374 1940-1945 P50282 denotes MMP-9
T376 1940-1945 PR:000010491 denotes MMP-9
T377 1940-1945 P52176 denotes MMP-9
T378 1940-1945 O18733 denotes MMP-9
T375 1940-1945 GO:0004229 denotes MMP-9
T380 1994-1997 PR:P63003-1 denotes rat
T381 1994-1997 PR:Q2G0B1 denotes rat
T382 1994-1997 PR:Q8VHJ4 denotes rat
T379 1994-1997 10116 denotes rat
T383 1994-1997 D051381 denotes rat
T384 1998-2004 UBERON:0000966 denotes retina
T386 2073-2081 C069860 denotes ProMMP-2
T387 2086-2094 C120487 denotes ProMMP-9
T388 2149-2159 CHEBI:35222 denotes inhibitors
T393 2161-2167 P81546 denotes TIMP-1
T394 2161-2167 O02722 denotes TIMP-1
T395 2161-2167 P49061 denotes TIMP-1
T396 2161-2167 P50122 denotes TIMP-1
T397 2161-2167 P20614 denotes TIMP-1
T398 2161-2167 P12032 denotes TIMP-1
T399 2161-2167 P35624 denotes TIMP-1
T400 2161-2167 P20414 denotes TIMP-1
T401 2161-2167 Q95KL9 denotes TIMP-1
T402 2161-2167 Q5RC60 denotes TIMP-1
T403 2161-2167 PR:P30120 denotes TIMP-1
T404 2161-2167 P30120 denotes TIMP-1
T405 2161-2167 PR:000016352 denotes TIMP-1
T407 2161-2167 PR:P12032 denotes TIMP-1
T408 2161-2167 PR:P01033 denotes TIMP-1
T409 2161-2167 P01033 denotes TIMP-1
T406 2161-2167 D019715 denotes TIMP-1
T414 2172-2178 PR:P16035 denotes TIMP-2
T415 2172-2178 PR:000016353 denotes TIMP-2
T416 2172-2178 O42146 denotes TIMP-2
T417 2172-2178 Q9TRZ7 denotes TIMP-2
T418 2172-2178 Q9TTY1 denotes TIMP-2
T419 2172-2178 Q60453 denotes TIMP-2
T420 2172-2178 P16035 denotes TIMP-2
T422 2172-2178 P25785 denotes TIMP-2
T423 2172-2178 P16368 denotes TIMP-2
T424 2172-2178 O77717 denotes TIMP-2
T425 2172-2178 PR:P25785 denotes TIMP-2
T426 2172-2178 P30121 denotes TIMP-2
T427 2172-2178 Q9WUC6 denotes TIMP-2
T428 2172-2178 PR:P30121 denotes TIMP-2
T429 2172-2178 PR:O42146 denotes TIMP-2
T421 2172-2178 D019716 denotes TIMP-2
T430 2222-2228 UBERON:0000966 denotes retina
T431 2243-2247 10118 denotes rats
T432 2243-2247 10116 denotes rats
T433 2243-2247 D051381 denotes rats
T434 2276-2279 CHEBI:340824 denotes MMP
T437 2276-2279 CHEBI:59761 denotes MMP
T438 2276-2281 PR:P08253 denotes MMP-2
T439 2276-2281 Q9GLE5 denotes MMP-2
T440 2276-2281 P08253 denotes MMP-2
T441 2276-2281 Q90611 denotes MMP-2
T443 2276-2281 PR:Q8MPP3 denotes MMP-2
T444 2276-2281 P33436 denotes MMP-2
T445 2276-2281 PR:Q90611 denotes MMP-2
T446 2276-2281 PR:P33436 denotes MMP-2
T447 2276-2281 PR:000010479 denotes MMP-2
T448 2276-2281 PR:P33434 denotes MMP-2
T449 2276-2281 P33434 denotes MMP-2
T450 2276-2281 P50757 denotes MMP-2
T442 2276-2281 GO:0004228 denotes MMP-2
T451 2286-2289 CHEBI:340824 denotes MMP
T454 2286-2289 CHEBI:59761 denotes MMP
T455 2286-2291 PR:P50282 denotes MMP-9
T456 2286-2291 PR:P14780 denotes MMP-9
T457 2286-2291 P14780 denotes MMP-9
T458 2286-2291 PR:P41245 denotes MMP-9
T459 2286-2291 P41246 denotes MMP-9
T460 2286-2291 P41245 denotes MMP-9
T461 2286-2291 PR:P52176 denotes MMP-9
T462 2286-2291 P50282 denotes MMP-9
T464 2286-2291 PR:000010491 denotes MMP-9
T465 2286-2291 P52176 denotes MMP-9
T466 2286-2291 O18733 denotes MMP-9
T463 2286-2291 GO:0004229 denotes MMP-9
T467 2344-2351 D012172 denotes retinal
T468 2344-2351 CHEBI:17898 denotes retinal
T469 2344-2351 D012172 denotes retinal
T470 2344-2351 CHEBI:15035 denotes retinal
T471 2344-2351 CHEBI:45487 denotes retinal

PubmedHPO

Id Subject Object Predicate Lexical cue
T1 258-278 HP_0000546 denotes retinal degeneration

UseCases_ArguminSci_Discourse

Id Subject Object Predicate Lexical cue
T1 0-121 DRI_Background denotes Expression of matrix metalloproteinases and their inhibitors in experimental retinal ischemia-reperfusion injury in rats.
T2 122-338 DRI_Approach denotes Matrix metalloproteinases (MMPs) are endopeptidases that degrade the extracellular matrix (ECM) and are involved in the pathogenesis of retinal degeneration along with tissue inhibitors of metalloproteinases (TIMPs).
T3 339-550 DRI_Background denotes The present study examined the expression and activation of two specific members of MMPs (MMP-2 and MMP-9) and their related inhibitors (TIMP-1 and TIMP-2) in an experimental retinal ischemia-reperfusion injury.
T4 551-643 DRI_Background denotes Retinal ischemia-reperfusion injury (RIRI) was induced in adult rats with a ligation method.
T5 644-763 DRI_Background denotes After one hour of ischemia and a varied reperfusion time (0, 3, 6, 12, 24, 48 and 76 hr), the rat eyes were enucleated.
T6 764-847 DRI_Background denotes Retinal extracts underwent zymographic analysis to measure the activity of MMP-2/9.
T7 848-917 DRI_Background denotes The activity of TIMP-1 and TIMP-2 was measured by reverse zymography.
T8 918-965 DRI_Background denotes The protein level was examined by Western blot.
T9 966-1083 DRI_Background denotes Immunohistochemistry analysis was undertaken to assess the anatomical distribution of MMP-9 in the retina after RIRI.
T10 1084-1174 DRI_Background denotes The gelatinolytic activity of ProMMP-2 (72 kDa) was increased markedly at 6 hr after RIRI.
T11 1175-1338 DRI_Approach denotes ProMMP-9 (92 kDa) was not detected in the control specimens, while it appeared at 3 hr, increased markedly at 6 hr, and reached maximal levels at 24 hr after RIRI.
T12 1339-1602 DRI_Background denotes The gelatinolytic activity found ian retinal extracts was shown to be inhibited by 10 m M EDTA and activated in vitro by a known metalloproteinase activator (4-aminophenylmercuric acetate (APMA)), indicating that these enzymes were of the metalloproteinase class.
T13 1603-1694 DRI_Background denotes By western blot, MMP-2/9 levels increased parallel to protein activity level in zymography.
T14 1695-1829 DRI_Background denotes No corresponding increase in TIMP-1 and TIMP-2 protein activity and protein level was detected by reverse zymography and western blot.
T15 1830-1925 DRI_Background denotes Elevated levels of MMP-9 and its distribution in retina were confirmed by immunohistochemistry.
T16 1926-2057 DRI_Background denotes Expression of MMP-9 was detected in the inner and outer segments of rat retina, and the level becomes stronger at 24 hr after RIRI.
T17 2058-2248 DRI_Background denotes In this study, ProMMP-2 and ProMMP-9 were expressed and increased significantly, but their inhibitors (TIMP-1 and TIMP-2) remained relatively unaltered in ischemic retina after RIRI in rats.
T18 2249-2368 DRI_Challenge denotes These results suggest that MMP-2 and MMP-9 may play an important role in the pathomechanism of retinal ischemic injury.

PubMed_ArguminSci

Id Subject Object Predicate Lexical cue
T1 122-338 DRI_Approach denotes Matrix metalloproteinases (MMPs) are endopeptidases that degrade the extracellular matrix (ECM) and are involved in the pathogenesis of retinal degeneration along with tissue inhibitors of metalloproteinases (TIMPs).
T2 339-550 DRI_Background denotes The present study examined the expression and activation of two specific members of MMPs (MMP-2 and MMP-9) and their related inhibitors (TIMP-1 and TIMP-2) in an experimental retinal ischemia-reperfusion injury.
T3 551-643 DRI_Background denotes Retinal ischemia-reperfusion injury (RIRI) was induced in adult rats with a ligation method.
T4 644-763 DRI_Background denotes After one hour of ischemia and a varied reperfusion time (0, 3, 6, 12, 24, 48 and 76 hr), the rat eyes were enucleated.
T5 764-847 DRI_Background denotes Retinal extracts underwent zymographic analysis to measure the activity of MMP-2/9.
T6 848-917 DRI_Background denotes The activity of TIMP-1 and TIMP-2 was measured by reverse zymography.
T7 918-965 DRI_Background denotes The protein level was examined by Western blot.
T8 966-1083 DRI_Background denotes Immunohistochemistry analysis was undertaken to assess the anatomical distribution of MMP-9 in the retina after RIRI.
T9 1084-1174 DRI_Background denotes The gelatinolytic activity of ProMMP-2 (72 kDa) was increased markedly at 6 hr after RIRI.
T10 1175-1338 DRI_Approach denotes ProMMP-9 (92 kDa) was not detected in the control specimens, while it appeared at 3 hr, increased markedly at 6 hr, and reached maximal levels at 24 hr after RIRI.
T11 1339-1602 DRI_Background denotes The gelatinolytic activity found ian retinal extracts was shown to be inhibited by 10 m M EDTA and activated in vitro by a known metalloproteinase activator (4-aminophenylmercuric acetate (APMA)), indicating that these enzymes were of the metalloproteinase class.
T12 1603-1694 DRI_Background denotes By western blot, MMP-2/9 levels increased parallel to protein activity level in zymography.
T13 1695-1829 DRI_Background denotes No corresponding increase in TIMP-1 and TIMP-2 protein activity and protein level was detected by reverse zymography and western blot.
T14 1830-1925 DRI_Background denotes Elevated levels of MMP-9 and its distribution in retina were confirmed by immunohistochemistry.
T15 1926-2057 DRI_Background denotes Expression of MMP-9 was detected in the inner and outer segments of rat retina, and the level becomes stronger at 24 hr after RIRI.
T16 2058-2248 DRI_Background denotes In this study, ProMMP-2 and ProMMP-9 were expressed and increased significantly, but their inhibitors (TIMP-1 and TIMP-2) remained relatively unaltered in ischemic retina after RIRI in rats.
T17 2249-2368 DRI_Challenge denotes These results suggest that MMP-2 and MMP-9 may play an important role in the pathomechanism of retinal ischemic injury.