Subjects: Mathematics >> Mathematics （General） Subjects: Information Science and Systems Science >> Information Security Technology submitted time 2023-02-18
Abstract： Constructing linear codes with few weights is an important research topic in coding and cryptography theory. The weight hierarchy of code also has basic theoretical significance in coding theory, and plays an important role in secret communications. In this paper, a class of 3-weight and a class of 4-weight binary linear codes are constructed, and their weight distributions and weight hierarchies are determined by exponential sum theory.
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Subjects: Medicine, Pharmacy >> Preclinical Medicine submitted time 2017-12-27 Cooperative journals: 《南方医科大学学报》
Abstract： Objective To identify potential markers for predicting invasion, metastasis, and prognosis of gastric adenocarcinoma (GAC). Methods The expressions of Slug, ZEB1 and KISS-1 were detected immunohistochemically in 261 GAC tissues and 80 normal gastric tissues. Results The positivity rates of Slug, ZEB1, and KISS-1 in gastric tissues were 2.5%, 1.3%, and 87.5%, respectively, significantly different from the rates of 62.1%, 28.4%, and 41.1% in GAC tissues (P<0.05). The expression level of Slug was significantly correlated with the depth of invasion, lymph node metastasis, and pTNM stages; the positivity rates of both ZEB1 and KISS-1 were significantly correlated with the tumor grade, depth of invasion, lymph node metastasis and pTNM stages. Slug expression was positively correlated with ZEB1 expression, and KISS-1 expression was inversely correlated with Slug and ZEB1 expressions. Kaplan-Meier analysis showed that the overall survival time of patients with positive expressions of Slug and ZEB1 was significantly shorter than that of the negative patients, and the survival time of patients positive for KISS-1 was significantly longer than the negative patients. COX multivariate analysis showed that positive Slug, ZEB1 and KISS-1 protein expressions and pTNM stages were independent prognostic factors of GAC (P<0.05). Conclusion The abnormal expressions of Slug, ZEB1 and KISS-1 may contribute to the tumorigenesis of GAC and are related with lymph node metastasis, pTNM stages, and prognosis of GAC. The combined detection of Slug, ZEB1, and KISS-1 expression has an important value in predicting the progression and prognosis of GAC.
Subjects: Medicine, Pharmacy >> Preclinical Medicine submitted time 2017-12-21 Cooperative journals: 《南方医科大学学报》
Abstract： Objective To assess the effect of Guifu Dihuang Wan (GFDHW) in the treatment of yang deficiency and explore the underlying molecular mechanism. Methods Sixty-two participants without diseases were randomized into control group (n= 31) and experimental group (n=31) and were given lifestyle intervention additional GFDHW treatment for a month. NMR technology was used for metabonomics analysis. Results Intervention with GFDHW resulted in significantly decreased conversion scores of yang deficiency in the experimental group compared with the control group (P<0.005). The concentrations of lactate, valine, proline, arginine and 3-hydroxybutyrate were increased in the plasma of yang-deficient subjects after lifestyle intervention. GFDHW treatment with lifestyle intervention significantly increased the concentrations of lactate, valine, proline, arginine and 3-hydroxybutyrate and also the levels of alanine, glutamine, alpha glucose, isoleucine, betaine and propylene glycol. Conclusion GFDHW treatment improves yang deficiency possibly by increasing the concentrations of alanine, glutamine, alpha glucose, isoleucine, betaine and propylene glycol and promoting energy metabolism of the body.
Subjects: Medicine, Pharmacy >> Preclinical Medicine submitted time 2017-12-07 Cooperative journals: 《南方医科大学学报》
Abstract： Objective To explore the relationship between the occurrence of sub-health and health promotion lifestyle in Guangdong province to provide epidemiological evidences for prevention of sub-health. Methods A 1:1 nested case-control study was carried out involving 133 cases from the cohort study paired with 133 control case matched for gender and age. Results The univariate conditional logistic regression model showed no significant association of marital status, education level, or body mass index with the occurrence of sub-health, but a significant correlation was found between lifestyle and sub-health with an odd ratio of 5.90 (95% CI: 3.12-11.16, P=0.000). Analysis of the multivariate conditional logistic regression model on the 6 subscales of health promotion lifestyle showed that stress management was significantly correlated with the occurrence of sub-health with an odd ratio of 4.00 (95% CI: 1.54-10.40, P=0.004). Conclusion A unhealthy lifestyle, especially in terms of stress management, is the major risk factor contributing to the occurrence of sub-health.
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