pyloriinfection, and the presence of protein antibodies because current contamination markers (CIMs) indicates the infection; the appearance of band C indicates the blood included IgG antibodies. == Statistical analysis == Data access was performed using EpiData version three or more. 1 to create a data lender, and logic checks were then performed. of patients with Hp infection were significantly higher than those of patients without Hp infection (P < 0. 001), and the PG I/PG II ratio was negatively correlated with total cholesterol (r=-0. 61) and triglycerides (r=-0. 56) levels. However , there was no significant difference in hypertension severity by Hp contamination status or PG I/PG II ratio. Interestingly, the PG I/PG II ratio was significantly lower in patients with hypertensive nephropathy or hypertensive retinopathy than in patients without these symptoms (P ME0328 < 0. 05). The areas under the receiver-operating characteristic curve were 0. 77 and 0. 83 in the diagnosis of nephropathy ME0328 and retinopathy, respectively. These findings indicate that the PG I/PG II ratio is lower in individuals with hypertensive nephropathy and hypertensive retinopathy. Thus, the detection of the PG I/PG II ratio may be valuable intended for diagnostic screening for hypertensive organ damage. Keywords: Pepsinogen, Helicobacter pylori, hypertension == Introduction == Pepsinogens (PG), the precursors to the gastric protease pepsin, are categorized into 2 types based on their immunogenicity and biochemical properties. The first type (PG I) comprises subgroups 1-5, which have the same immunogenicity and are solely secreted by fundic gland. The second type (PG II) comprises subgroups 6-7, which are mainly secreted by pyloric glands and proximal duodenal mucosa. Pepsinogen is converted to pepsin through contact with hydrochloric acid or existing active pepsin in the gastric cavity. The active enzyme after that decomposes proteins into fat, peptones, and a small number of peptides [1]. The serum PG level is closely correlated with the degree of infection withHelicobacter pylori(H. pylori) in the digestive tract. WhenH. pyloriinfection occurs, the serum PG I/PG II ratio decreases, but the ratio Rabbit polyclonal to DCP2 increases after the bacterium is eradicated [2-4]. H. pyloriinfection is also associated with liver and cardiovascular diseases [5-7], and influences blood lipid metabolism as well as contributing to peripheral vascular disease and atherosclerosis [8, 9]. Similarly, pepsinogens have been associated with cardiovascular disease, and some evidence also supports a link between PG I/PG II ratio and glucose levels [10, 11]. Despite these links with cardiovascular and metabolic diseases, no data exist to indicate whetherH. pyloriinfection is associated with hypertension, a condition commonly associated with both cardiovascular disease and type 2 diabetes. Therefore , the current study explored the change in the PG I/PG II ratio in the context ofH. pyloriinfection in hypertension patients, thus providing a theoretical basis for the screening or auxiliary examination of hypertension or complications of hypertension. == Participants and methods == == Participants == For this prospective study, 396 hypertension patients who also received treatment in the Second Clinical Medical College, Henan University of Traditional Chinese Medicine were recruited between December 2011 and December 2013. Of them, 213 cases were males and 183 cases were females, and the mean age was 57. 9610. 054 years. Hypertension was diagnosed according to the diagnostic criteria in the 2010 Chinese Hypertension Prevention Guideline. Patients with a history of radical treatment forH. pyloriinfection, history of gastrectomy, or with metabolic disorders, infectious diseases, or tumors were excluded. Participants heights and weights were recorded intended for determination of body mass index (BMI). Blood pressure was also recorded. Venous blood ME0328 was collected from almost all fasting participants in the morning intended for analysis of blood chemistry and pepsinogens. Participants were also clinically examined for hypertensive renal disease, judged because present damage to kidney function, urinary albumin excretion price > 20 g/min, or renal insufficiency. To assess participants intended for retinopathy, almost all participants underwent mydriasis via eucatropine, with subsequent direct ophthalmoscopy and slit lamp microscopy. Ocular fundus lesions caused by factors involving metabolic disorders or diseases of eyes themselves were ruled out. All participants were examined by the same experienced ophthalmologist. This study was approved by the Hospital Ethics Committee, ME0328 and informed consent was obtained from each participant. == Blood chemistry == Peripheral blood (5 mL) was drawn from each subject. Three mL of peripheral blood were centrifuged at 1300 g for 5 minutes at 4C. Enzymatic guides (Sigma-Aldrich, St Louis, MO, USA) had been used to determine serum triglycerides, total lipid disorders, and thick lipoprotein. A latex-enhanced immunoturbidimetry kit to measure pepsinogen I and pepsinogen 2 was acquired from Sangon Biotech (Shanghai, China). A great Olympus AU5400 fully auto biochemical analyzer (Japan) utilized according to the makers instructions. == Diagnosis of Helcobacter pylori condition == Colloidal gold, a solid-phase roundabout immune chromatographic technique, utilized to diagnoseH. pyloriinfection in serum sample. The products had been manufactured by CHALAND Biotech (Hangzhou) Co. Limited. When condition is present, theH. pyloriantigens persist with the antibodies of the.
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