In the case of cervical cancer, studies have shown that several antioxidants, such as reduced glutathione, GPx, glutathione-S-transferase, SOD and antioxidant vitamins (vitamin E, vitamin C, lutein, beta-carotene, lycopene and zeaxanthin), are reduced in the circulation of cervical cancer patients [249,250]. Here, HPGDS is linked to cervical cancer.