SERPINA4 and hyperkeratosis lenticularis perstans: Our results indicated that plasma KAL levels were significantly higher in HLP subjects compared to healthy control and positively correlated with TG, free fatty acid (FFA), total cholesterol (TC), low-density lipoprotein cholesterol (LDL-C), and negatively correlated with high-density lipoprotein cholesterol (HDL-C) (Fig. 1a-b, supplementary Fig. 1b-e).