The aim of this study is to analyse the efficacy rate of folate for the treatment of hyperhomocysteinaemia (HHcy) and to explore how folate metabolism-related gene polymorphisms change its efficacy. This study also explored the effects of gene-gene and gene-environment interactions on the efficacy of folate. A prospective cohort study enrolling HHcy patients was performed. The subjects were treated with oral folate (5 mg/d) for 90 d. We analysed the efficacy rate of folate for the treatment of HHcy by measuring homocysteine (Hcy) levels after treatment. Unconditioned logistic regression was conducted to analyse the association between SNP and the efficacy of folic acid therapy for HHcy. The efficacy rate of folate therapy for HHcy was 56·41 %. The MTHFR rs1801133 CT genotype, TT genotype and T allele; the MTHFR rs1801131 AC genotype, CC genotype and C allele; the MTRR rs1801394 GA genotype, GG genotype and G allele; and the MTRR rs162036 AG genotype and AG+GG genotypes were associated with the efficacy of folic acid therapy for HHcy (P<0·05). No association was seen between other SNP and the efficacy of folic acid. The optimal model of gene-gene interactions was a two-factor interaction model including rs1801133 and rs1801394. The optimal model of gene-environment interaction was a three-factor interaction model including history of hypertension, history of CHD and rs1801133. Folate supplementation can effectively decrease Hcy level. However, almost half of HHcy patients failed to reach the normal range. The efficacy of folate therapy may be genetically regulated.
Background: Benign prostate hyperplasia (BPH) is the most common disease among aging males, but no reports have addressed the prevalence of BPH in Zhengzhou. Therefore, we aimed to understand the prevalence of BPH in men aged 40 years or older in Zhengzhou's rural areas through a cross-sectional study and analyzed the correlation with epidemiologic factors and the heritability of the disease. Materials and Methods:A multistage sampling method was used to randomly select male respondents in Zhengzhou's rural areas. Men who were 40 years of age or older and their first-degree relatives were subjected to the International Prostate Symptom Score (IPSS) and related examinations. Heritability was calculated according to the prevalence of the first-degree relatives in the case and control groups.Results: The prevalence of BPH was 10.04%. Its prevalence increased with age, from 2.17% in men aged 40-44 years to 31.11% in men aged 80 years or older. The average volume of the prostate was 17.16 ± 7.96 mL, and the average IPSS was 5.89 ± 5.91. The analysis of the correlation between the associated risk factors and BPH revealed that prostatitis and a history of prostatic hyperplasia were significant factors. Obesity, smoking, drinking, diabetes, and hypertension were not correlated with BPH. Of the 94 first-degree relatives of the cases, 53 had BPH (56.38%); of the 106 first-degree relatives of the controls, five had BPH (4.72%). Heritability appeared to account for 40.48% of BPH cases.The heritability of incomplete emptying, frequency, intermittency, urgency, weak stream, straining, and nocturia was 43. 28, 71.37, 9.67, 5.67, 2.70, 53.36, and 19.12%, respectively. Conclusion:The total prevalence of BPH in men aged 40 years or older in Zhengzhou's rural areas was 10.04%, and the heritability of prostatic hyperplasia was 40.48%. K E Y W O R D Sbenign prostatic hyperplasia, heritability, LUTS, prevalence, rural
The public health interventions to mitigate coronavirus disease 2019 could also potentially reduce the global activity of influenza. However, this strategy's impact on other common infectious diseases is unknown. We collected data of 10 respiratory infectious (RI) diseases, influenza-like illnesses (ILIs), and seven gastrointestinal infectious (GI) diseases during 2015-2020 in China and applied two proportional tests to check the differences in the yearly incidence and mortality, and case-fatality rates (CFRs) over the years 2015-2020. The results showed that the overall RI activity decreased by 7.47%, from 181.64 in 2015-2019 to 168.08 per 100 000 in 2020 (p < 0.001); however, the incidence of influenza was seen to have a 16.08% escalation (p < 0.001). In contrast, the average weekly ILI percentage and positive influenza virus rate decreased by 6.25% and 61.94%, respectively, in 2020 compared to the previous 5 years (all p < 0.001). The overall incidence of GI decreased by 45.28%, from 253.73 in 2015-2019 to 138.84 in 2020 per 100 000 (p < 0.001), and with the greatest decline seen in hand, foot, and mouth disease (HFMD) (64.66%; p < 0.001). The mortality and CFRs from RI increased by 128.49% and 146.95%, respectively, in 2020, compared to 2015-2019 (p < 0.001). However, the mortality rates and CFRs of seven GI decreased by 70.56% and 46.12%, respectively (p < 0.001). In conclusion, China's COVID-19 elimination/containment strategy is very effective in reducing the incidence rates of RI and GI, and ILI activity, as well as the mortality and CFRs of GI diseases.
No risk assessment tools for the efficacy of folic acid treatment for hyperhomocysteinaemia (HHcy) have been developed. We aimed to use two common genetic risk score (GRS) methods to construct prediction models for the efficacy of folic acid therapy on HHcy, and the best gene–environment prediction model was screened out. A prospective cohort study enrolling 638 HHcy patients was performed. We used a logistic regression model to estimate the associations of two GRS methods with the efficacy. Performances were compared using area under the receiver operating characteristic curve (AUC). The simple count genetic risk score (SC-GRS) and weighted genetic risk score (wGRS) were found to be independently associated with the efficacy of folic acid treatment for HHcy. Using the SC-GRS, per risk allele increased with a 1·46-fold increased failure risk (P < 0·001) after adjustment for traditional risk factors, including age, sex, BMI, smoking, alcohol consumption, history of diabetes, history of hypertension, history of hyperlipidaemia, history of stroke and history of CHD. When used the wGRS, the association was strengthened (OR = 2·08, P < 0·001). Addition of the SC-GRS and wGRS to the traditional risk model significantly improved the predictive ability by AUC (0·859). A precise gene–environment predictive model with good performance was developed for predicting the treatment failure rate of folic acid therapy for HHcy.
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