AI Summary & Key Takeaways
AI InsightIt was found that CHAD and HIF-1α gene expressions and HIF-1α and COL2A1 gene expressions affected cellproliferation.CONCLUSION: Cell culture setups are of paramount importance because they may influence the pattern of changes in the geneexpressions of the cells used in these setups.
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Özet
AIM: To determine the gene expression patterns of nucleus pulposus (NP) in cell cultures obtained from degenerated or intacttissues.MATERIAL and METHODS: Whereas 12 of the cases were diagnosed with lumbar disc herniation and had undergone lumbarmicrodiscectomy, 12 cases had undergone traumatic intervertebral discectomy and corpectomy, along with discectomy after spinaltrauma. NP-specific markers and gene expressions of the reagents of the extracellular matrix in the experimental setup were testedat the 0th, 24th, and 48th hours by quantitative reverse transcriptase polymerase chain reaction (qRT-PCR). Visual evaluations weresimultaneously made in all samples using invert and fluorescence microscopy. Vitality and proliferation analyses were evaluatedby UV spectrophotometer. As a method of statistical evaluation, Spearman was used for categorical variants, and the Pearsoncorrelation was used for variants with numerical and plain distribution.RESULTS: No association was found either between the tissue type and times (r=0.000; p=1.000) or between the region that thetissue was obtained from and hypoxia transcription factor-1 alpha (HIF-1α) gene expression (r=0.098; p=0.245). There was nocorrelation between cell proliferation and chondroadherin (CHAD) expression or between type II collagen (COL2A1) and CHADgene expressions. It was found that CHAD and HIF-1α gene expressions and HIF-1α and COL2A1 gene expressions affected cellproliferation.CONCLUSION: Cell culture setups are of paramount importance because they may influence the pattern of changes in the geneexpressions of the cells used in these setups.