Fig. 4
From: Pathway analysis of smoking-induced changes in buccal mucosal gene expression
![Fig. 4](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs43042-022-00268-y/MediaObjects/43042_2022_268_Fig4_HTML.png)
Top upstream regulators predicted by Ingenuity Pathway Analysis in smoker buccal mucosa. A positive z score indicates activation, while a negative z score indicates inhibition