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Fig. 1 | Respiratory Research

Fig. 1

From: Is the purinergic pathway involved in the pathology of COPD? Decreased lung CD39 expression at initial stages of COPD

Fig. 1

NTPDase1/CD39 Gene Expression in Human Lung Tissue Samples. Relative mRNA levels of CD39 analyzed in the COPD (n = 15), NOS (n = 13) and NS (n = 11) groups, normalized to 18 S mRNA levels and expressed as fold changes. Data are expressed as median ± rank. *Significantly different from NS and NOS (P < 0.05). Abbreviations: NTPDase1, nucleoside triphosphate diphosphohydrolase-1; COPD, Chronic obstructive pulmonary disease; NOS, Non-obstructed smokers; NS, Never smoker

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