Comparison of glutathion-s-transferase A-4 expression values between lumbar spinal canal stenosis and lumbar discal hernia patients

Aim: To compare the glutathione s-transferase α-4 (GSTA4) isoenzymes expression values in patients with lumbar spinal canalstenosis (LSCS) due to ligamentum flavum (LF) hypertrophy with patients no evidence of LF hypertrophy.Material and Methods: 27 LF specimens were obtained from patients with LSCS and 27 LF specimens were obtained from patientswith lumbar discal hernia (LDH). Firstly these LF samples were analyzed histologically to identify the fibrosis and elastin degradationvalues. Then GSTA4 isoenzyme values were measured and compared.Results: The mean LF thickness was significantly higher in the LSCS group than in the LDH group (6.72±0.86 and 3.1±0.7 mm,respectively, p

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