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Table 1 Changes in gene expression of neuropeptides, cytokines and in optical density of tenocyte viability after triamcinolone acetonide treatment at seven time points (0, 1, 3, 5, 24, 48, 72 hours)

From: Effects of corticosteroid on the expressions of neuropeptide and cytokine mRNA and on tenocyte viability in lateral epicondylitis

 

No TAA

After TAA treatment

Statistical significance (p)*

0 hr

1 hrs

3 hrs

5 hrs

24 hrs

48 hrs

72 hrs

SP

1.000

0.527± 0.154

0.881 ±0.326

0.652 ±0.246

0.412±0.166

0.527 ±0.189

0.696 ±0.235

0.0078

CGRP

1.000

1.119± 0.336

1.197 ±0.308

0.958 ±0.312

0.359 ±0.153

0.268 ±0.161

0.330 ±0.164

< 0.0001

IL-1α

1.000

1.183 ±0.35

0.342 ±0.168

0.185± 0.091

0.210 ±0.166

0.107± 0.114

0.053 ±0.027

< 0.0001

TGF-β

1.000

1.108 ±0.225

1.132 ±0.219

1.186±0.249

1.015±0.198

0.859 ±0.234

0.772 ±0.228

0.0187

Tenocyte viability

0.582

0.491± 0.038

0.502 ±0.041

0.467 ±0.049

0.405 ±0.042

0.353 ±0.033

0.306 ±0.021

< 0.0001

  1. The values are given either as mean ± SD.
  2. SP = Substance P.
  3. CGRP = Calcitonin gene related peptide.
  4. IL-1α = Interleukin-1α.
  5. TGF-β = Tumor growth factor-β.
  6. TAA = Triamcinolone acetonide.
  7. *Repeated measures ANOVA.