<i>Smad7</i> Is Highly Expressed in Human Degenerative Discs and Participates in IL-1<i>β</i>-Induced Apoptosis of Rat AF Cells via the Mitochondria Pathway

<div>The expression of <i>Smad7</i> in human degenerative and non-degenerative intervertebral discs. (a) qRT-PCR assays to detect the mRNA expression of <i>SMAD7</i> in human degenerative and nondegenerative intervertebral discs. (b) Western blotting assays to detect the protein expression of <i>SMAD7</i> in human degenerative and nondegenerative intervertebral discs. <svg height="10.2124pt" id="M21" style="vertical-align:-3.42943pt" version="1.1" viewbox="-0.0498162 -6.78297 7.83752 10.2124" width="7.83752pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M570 304C570 398 525 448 414 448C385 448 343 445 312 434L329 511L321 518C297 504 262 482 244 460L233 411C195 397 159 381 128 358L135 332C160 347 189 360 224 373L111 -147C97 -210 84 -218 17 -231L13 -257L254 -247L259 -218L233 -216C183 -212 177 -202 189 -142L218 -1C238 -10 266 -12 283 -12C351 3 429 48 483 105C543 168 570 242 570 304ZM482 289C482 161 380 33 304 33C278 33 248 51 233 69L303 396C326 400 352 403 369 403C428 403 482 380 482 289Z"></path></g></svg> values less than 0.05 were considered statistically significant. NP: nucleus pulposus; AF: annulus fibrosus; EP: endplate; <span class="nowrap"><svg height="13.806pt" id="M22" style="vertical-align:-3.429399pt" version="1.1" viewbox="-0.0498162 -10.3766 206.692 13.806" width="206.692pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.0091,0,0,-0.0091,0,-5.741)"><path d="M486 158C486 177 478 202 466 220C413 228 386 236 336 262C386 288 413 297 466 304C478 323 486 347 485 366C470 376 444 381 422 380C389 338 368 319 321 288C323 345 329 372 349 422C339 442 322 461 305 470C289 461 271 442 262 422C281 372 287 345 290 288C243 319 222 338 189 380C167 381 142 376 125 366C125 347 133 322 145 304C198 296 225 288 275 262C225 236 198 227 145 220C133 201 125 177 126 158C141 148 167 143 189 144C222 186 243 205 290 236C288 179 282 152 262 102C272 82 289 63 306 54C322 63 340 82 350 102C330 152 324 179 321 236C368 205 390 186 422 144C444 143 470 148 486 158Z"></path></g><g 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-12 169 -12C221 -11 288 15 342 59C403 109 431 165 431 225C431 308 366 395 238 395C212 395 165 379 127 364L153 550Z"></path></g></svg>.</span> All experiments were performed at least three times.</div>

Oxidative Medicine and Cellular Longevity

fig1

Figure 1

Figure 1: <i>Smad7</i> Is Highly Expressed in Human Degenerative Discs and Participates in IL-1<i>β</i>-Induced Apoptosis of Rat AF Cells via the Mitochondria Pathway 

Figure 1 | Smad7 Is Highly Expressed in Human Degenerative Discs and Participates in IL-1β-Induced Apoptosis of Rat AF Cells via the Mitochondria Pathway 