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Objective To analyze the characteristics of chronic hepatitis B (CHB) complicated with non-alcoholic fatty liver disease (NAFLD), and to provide countermeasures for the prevention of NAFLD. Methods A total of 348 patients with CHB admitted to our hospital from June 2018 to June 2021 were randomly selected and divided into experimental group (CHB combined with NAFLD, n=195) and control group (CHB, n=153) according to whether they had NAFLD or not. Basic data such as age, sex, BMI (kg/m2), history of diabetes, history of hypertension, and history of alcohol consumption were collected. Serum indexes such as liver function (AST, ALT, GGT, ALP, ALB), blood lipid (TG, ldl-c), fasting blood glucose (FBG) and virological indexes such as hepatitis B virus (HBV DNA) were collected. Results A total of 348 CHB patients were included in the study, including 195 (56.03%) patients with NAFLD. The high NAFLD incidence age was between 30 and 45 years old (163 cases, 46.84%). The incidence of NAFLD in male (131 cases, 70.81%) was significantly higher than that in female (64 cases, 39.26%) (χ2=35.005, P2=10.625, χ2=20.238, P45 years (χ2=2.005, P>0.05). There were no significant differences in the history of hypertension, ALT and ALP between the two groups (P>0.05). The differences in age, sex, BMI, history of diabetes, history of alcohol consumption, AST, TG, TG, FBG and FBG between the two groups were statistically different (P<0.05). Logistic regression analysis showed that increased BMI, AST, FBG and LDL were independent risk factors for NAFLD in CHB patients (P<0.05). Conclusions CHB with NAFLD often has glucolipid metabolic disorder, which is related to increased body mass index and AST. It is suggested that we should strengthen the health management of patients with high blood pressure, diabetes, overweight, and obesity, guide patient to balance their diet, adjust their diet structure, control their body weight and glycolipid abnormalities, adjust body fat, reduce blood pressure by drugs, and control blood sugar in a timely manner, and maintain a healthy lifestyle.
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Objective:To analyze the body composition of breast cancer patients and the changes with age; to compare the incidence of obesity in breast cancer patients with different diagnostic criteria; To understand the relationship between body mass index (BMI) and body composition; to investigate the incidence of sarcopenia and its relationship with obesity in breast cancer patients.Methods:The bioelectrical impedance technique was used to analyze the body composition of 1 187 female breast cancer patients before surgery.Results:There was a statistically significant difference between different age groups of breast cancer patients with various body composition indicators ( F values were 3.767-32.627, P < 0.01), and the incidence of obesity and sarcopenia was different in different age groups ( χ2 value was 20.819, P < 0.01). The obesity detection rate of different diagnostic methods was different. The obesity rate diagnosed by body fat percentage (PBF) was the highest. 28.14% (334/1 187) of breast cancer patients were diagnosed as "invisible obesity", which refers to normal or low BMI but excessive PBF. BMI was positively correlated with all body composition indicators ( r values were 0.137-0.954, P < 0.01), and moderately correlated with PBF and skeletal muscle mass ( r values were 0.761, 0.534, P < 0.01). The incidence of sarcopenia in breast cancer patients was 8.26% (98/1 187). 8.78% (64/1 187) of the patients with normal BMI were diagnosed as Sarcopenia. Among patients with excess PBF and excess visceral fat area, 6.70% (47/1 187) and 5.98% (15/1 187) were diagnosed with sarcopenia, respectively. Conclusion:The incidence of PBF obesity in breast cancer patients is high, and some patients have sarcopenia, which is not good for prognosis. Bioelectrical impedance technology can accurately assess the body composition of patients, and can find "invisible obesity" and sarcopenia that cannot be diagnosed by BMI, which is worthy of further promotion and application in clinical practice.
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Objective To investigate the serum levels of advanced oxidation protein products (AOPP) in patients with chronic obstructive pulmonary disease (COPD) as well as explore the relevance of its clinical significance AOPP and COPD.Methods Fifty-four patients with mild/moderate COPD (COPD group) were enrolled in this study,who were treated in the No.100th Hospital of the Chinese People's Liberation Army from Apr.2011 to Nov.2013.Thirty healthy volunteers (control group) at same period were selected as control group and the general condition of two groups were matched.AOPP,superoxide dismutase(SOD) and malondialdehyde (MDA) levels were measured.Results The serum AOPP,MDA and SOD in control group were (45.78 ± 12.54) μmol/L,(2.96 ± 0.55) μmol/L and (78.40 ± 8.37) kU/L respectively.And its were (68.93 ± 10.62) μmol/L,(6.07 ± 2.44) μmol/L and (53.66 ± 5.99) kU/L respectively in COPD group.The differences were statistically significant (t =-8.57,-9.14,14.38 ; All P values were less than 0.01).The serum AOPP,MDA and SOD in mild COPD group were (65.56 ±9.65) μmol/L,(4.21 ± 1.83) μmol/L and (62.97 ± 6.28) kU/L respectively,and (71.79 ± 11.37) μmol/L,(7.43 ± 3.12) μmol/L and (41.25 ± 5.89) kU/L respectively in moderate CODP group.The differences were statistically significant (t =-2.17,-4.80,13.00; P ＜ 0.05 or P ＜ 0.01).Conclusion The increased levels of serum AOPP is important pathological changes in patients with COPD,which may be involved in the occurrence and development of COPD,and is the reaction of oxidative stress injury in patients with COPD early sensitive indicator.
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Codon usage bias is an important characteristic of genetic information transfer in organisms. Analysis of codon usage bias of different species is important for understanding the rules on genetic information transfer. The previous method for analysis of codon usage bias is mainly based on genomic data. However, this method is greatly limited, because the genome sequences of higher organisms are still not available up to now. In this study, we found that we could obtain the same optimal codons of Ganoderma lucidum (Curtis: Fr.) P. Karst based on its whole genomic data or large-scale transcriptomic data from its liquid-cultured hyphae, primordium and fruiting body, separately. This result indicated the feasibility to understand the codon usage bias based on the large-scale transcriptomic data. By calculating the proportion of rare codons of Escherichia coli and Saccharomyces cerevisiae in 26 terpene synthases (TS) of G. lucidum, we found that the rare codons of S. cerevisiae have a higher proportion in TS genes, while the rare codons of E. coli have relatively lower, suggesting that the TS genes of G. lucidum are possibly more difficult to be expressed in S. cerevisiae than in E. coli. Chemical synthesis of TS genes according to the yeast optimal codons will be an effective way to solve the problem on the mismatch of gene codon bias between the foreign genes and the host strain.
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Synthetic biology of traditional Chinese medicine (TCM) is a new and developing subject based on the research of secondary metabolite biosynthesis for nature products. The early development of synthetic biology focused on the screening and modification of parts or devices, and establishment of standardized device libraries. Panax notoginseng (Burk.) F.H.Chen is one of the most famous medicinal plants in Panax species. Triterpene saponins have important pharmacological activities in P. notoginseng. Squalene epoxidase (SE) has been considered as a key rate-limiting enzyme in biosynthetic pathways of triterpene saponins and phytosterols. SE acts as one of necessary devices for biosynthesis of triterpene saponins and phytosterols in vitro via synthetic biology approach. Here we cloned two genes encoding squalene epoxidase (PnSE1 and PnSE2) and analyzed the predict amino acid sequences by bioinformatic analysis. Further, we detected the gene expression profiling in different organs and the expression level of SEs in leaves elicited by methyl jasmonate (MeJA) treatment in 4-year-old P notoginseng using real-time quantitative PCR (real-time PCR). The study will provide a foundation for discovery and modification of devices in previous research by TCM synthetic biology. PnSE1 and PnSE2 encoded predicted proteins of 537 and 545 amino acids, respectively. Two amino acid sequences predicted from PnSEs shared strong similarity (79%), but were highly divergent in N-terminal regions (the first 70 amino acids). The genes expression profiling detected by real-time PCR, PnSE1 mRNA abundantly accumulated in all organs, especially in flower. PnSE2 was only weakly expressed and preferentially in flower. MeJA treatment enhanced the accumulation of PnSEI mRNA expression level in leaves, while there is no obvious enhancement of PnSE2 in same condition. Results indicated that the gene expressions of PnSE1 and PnSE2 were differently transcribed in four organs, and two PnSEs differently responded to MeJA stimuli. It was strongly suggested that PnSEs play different roles in secondary metabolite biosynthesis in P. notoginseng. PnSE1 might be involved in triterpenoid biosynthesis and PnSE2 might be involved in phytosterol biosynthesis.