Application of classical formula in treatment of diabetes / 中国中药杂志

The application of classical formula in the treatment of diabetes has a long history. Zhang Zhongjing set up a special chapter on consumptive thirst in Synopsis of the Golden Chamber,listing Baihu Jia Renshen Decoction for exuberant heat in the lung and stomach,dual deficiency of Qi and Yin syndrome,and Shenqi Pills for kidney Qi deficiency syndrome. However,the clinical application is not limited to them. In this study,formulas of Huanglian,Dahuang,Chaihu,Gualougen,Lingzhu,Huangqi and Dihuang are listed as the main therapeutic methods for diabetes mellitus,with effects in clearing heat,dredging the bowels and purging turbid,clearing depression and dispersing knots,nourishing Yin and quenching thirst,invigorating spleen and draining dampness,supplementing Qi and tonifying deficiency,nourishing Yin and tonifying kidney,which have the advantages for the treatment of diabetes and its complications. Based on accurate differentiation of symptoms and signs,consideration shall be given to both " of diseases and syndromes",while emphasis shall be given to the " main symptoms",so as to flexibly apply classical formula and expand the scope of application.

Anti-breast cancer mechanism of flavonoids / 中国中药杂志

Flavonoids are a kind of ubiquitous natural products in plants and essential active ingredients of many medicinal plants. They have the characteristics of broad biological activity, high efficiency and low toxicity, with good prevention and cure effects on various types of tumors. Breast cancer is the commonest cancer disease and the main cause of cancer death in women worldwide. In China, the morbidity and mortality are still on the rise. Flavonoids can inhibit the occurrence and development of breast cancer in various aspects. The main mechanisms include the inhibition of aerobic glycolysis, the promotion of apoptosis, the retardation of cell cycle, the suppression of invasion and migration, the induction of DNA damage, and the inhibition of aromatase and microtubule production. Due to its chemical structure similar to estrogen, flavonoids have unique advantages in the prevention and treatment of breast cancer. In this paper, studies on anti-breast cancer of flavonoids in recent years were reviewed, which could provide reference for further studies.

Diatoms Distribution in Ningbo Three-river Watershed during Summer / 法医学杂志

OBJECTIVES@#To explore the species, quantity and distribution of diatoms in Ningbo three-river watershed during summer and to provide scientific basis for forensic examination of drowning cases in the waters of Ningbo.@*METHODS@#Water samples were collected in July and August of 2015. Fourteen water sampling points were selected from the Yao River, the Fenghua River and the Yong River. The morphological features of diatom species and dominant diatoms were distinguished by microscope.@*RESULTS@#A total of 16 species of diatoms were detected in the Yao River, the Fenghua River and the Yong River. Melosira was the dominant species in the Yao River, and the quantity and richness were higher than in other rivers. The richness of Cyclotella in the Yong River was higher than in other rivers. The richness of Pinnularia and Licmophora were higher in the Fenghua River than in the Yao River and the Yong River.@*CONCLUSIONS@#The species and proportion of diatom is different in each river. Database of the species and relative composition for the diatoms in corresponding river is established, which may provide data support for forensic examination of drowning cases in Ningbo three-river watershed.

Contribution of Zhenjiu jiayi jing (A-B classic of acupuncture and moxibustion) to surface anatomy / 中国针灸

The knowledge of surface anatomy in the ancient classic Zhenjiu Jiayi Jing (A-B Classic of Acupuncture and Moxibustion) is expounded in this article through comprehensive reading of the book and study of surface anatomy. The description and application of body surface landmarks,recording of the length of skeleton at the surface of the body,location of the viscera,palpation on arteries at the surface of the body and dynamic selection of acupoints are studied as well,which provide basis for locating and selecting of acupoints.

Survey an knowledge, attitude, practice related to contraception among college students in Beijing / 中华流行病学杂志

Objective To understand the current status and relative factors on knowledge, attitude, practice to contraception among college students in Beijing and to provide evidence for developing aimed contraceptive service and education in colleges. Methods Quantitative surveys were employed, questionnaire was conducted anonymously among 12 450 unmarried college students under informed consent. Results Among 12 129 students, acknowledgement of contraceptive knowledge among females was superior to males in college(P=0.000). Rates on the favor for unmarried sexual practice and 'sexual liberation' were 81.9% and 60.2% for males, comparing to 74.8% and 54.3% for females respectively. The prevalence rates for masturbation were 74.3% for males and 24.9% for females respectively. 18.4% of the male and 10.5% of the female students had ever experienced unmarried sexual intercourse. Among those students who had sexual experiences, 29.4% of the males had made their sex partners pregnant and 23.1% of the female students had experienced unexpected pregnancy. Statistical significance was found between males and females (P=0.000) in terms of attitudes and behaviors. 51.3% of the male and female students took contraceptive measures during the episode of first sexual intercourse. The excuses for not taking any measures would include: sexual intercourse happened incidentally, not interested in using condom, only one sexual experience would not cause pregnancy, etc. Conclusion The prevalence of unmarried sexual intercourse among college students had been rising. Among those who had experienced unmarried sexual intercourse, the rate of taking contraceptive measures was low and the incidence of unexpected pregnancy was high. It is urgent to strengthen the education and service programs on contraception among college students.

Correlation of the content and expression of urokinase plasminogen activator with asthenospermia in rat models / 中华男科学杂志

<p><b>OBJECTIVE</b>To investigate the content and expression of the urokinase plasminogen activator (uPA) in the ornidazole-induced asthenospermia animal model, and to probe the mechanism of ornidazole inducing asthenospermia and the possibility of using uPA for the prevention and treatment of asthenospermia.</p><p><b>METHODS</b>Forty-eight male rats were equally randomized into 5 medication groups (1 d, 5 d, 10 d, 15 d and 20 d) and a blank control group, and ornidazole (200 mg/kg) was given intragastrically every day to the former five while 0.5% carboxymethylcellulose Na (CMC-Na) to the latter for 20 successive days. Then the rats were sacrificed by intraperitoneal injection of pentobarbital at 1, 5, 10, 15 and 20 days respectively and the epididymides and testes harvested. The integrity of the sperm cell membrane was detected by hypoosmotic swelling experiments, the uPA expression in the testicular and epididymal tissues dynamically observed by immunohistochemistry and the level of uPA mRNA in the testis determined by RT-PCR.</p><p><b>RESULTS</b>The integrity of the sperm cell membrane was reduced at 10 days and remained low till the end of the medication, but with no statistic significance. Compared with the blank controls, the uPA expression and mRNA content in the testicular and epididymal tissues showed no conspicuous difference in the 1 d and 5 d groups, decreased insignificantly in the 10 d group, but significantly in the 15 d and 20 d groups (P < 0.05).</p><p><b>CONCLUSION</b>The defect of sperm cell membrane and decrease of sperm motility go in parallel with the reduced expression and content of uPA, which may be one of the factors for the development of asthenospermia.</p>

Urokinase-type plasminogen activator improves the reproductive function of male rats / 中华男科学杂志

<p><b>OBJECTIVE</b>To investigate the effects of urokinase-type plasminogen activator (uPA) on the reproductive function of the male rats with ornidazole-induced infertility.</p><p><b>METHODS</b>Fifty 10-12 weeks old adult male Sprague-Dawley rats were randomly divided into five groups: low-dosage uPA (330 IU/[kg x d]), mid-dosage uPA (1000 IU/[kg x d]), high-dosage uPA (3000 IU/[kg x d]), ornidazole (400 mg/[kg x d]) and control (0.5% Carboxymethylcellulose solution). The ornidazole group was treated by gastric gavage, and the rats in the uPA groups given both ornidazole by gastric gavage and uPA by intraperitoneal injection at the same time. All the rats were treated for 20 days consecutively, followed by copulation experiment. The rats were sacrificed and the reproductive system explored.</p><p><b>RESULTS</b>The percentage of motile sperm and the number of embryos in the high-dosage uPA group increased significantly (P < 0.01) compared with the ornidazole group.</p><p><b>CONCLUSION</b>uPA can antagonize ornidazole-induced infertility in male rats. The effect might be attributed to the improvement of sperm motile function by uPA.</p>

Effect of ornidazole on sperm in rats and its mechanism of action / 中华男科学杂志

<p><b>OBJECTIVE</b>To explore the reductive effect of ornidazole on sperm motility in rats and its mechanism of action.</p><p><b>METHODS</b>Twenty rats were randomly divided into three groups, a low dosage group (LD group, n = 5), a high dosage group (HD group, n = 8) and a normal control group (n = 7). Ornidazole (200 mg/kg, 400 mg/kg) was given to the LD and HD groups, and 0.5% carboxymethylcellulose sodium (CMC) administered to the normal control, all for 20 consecutive days. Immediately after, sperm density, motility and the morphological changes of the testis and epidiclymis were measured, and the concentrations of lactate dehydrogenase (LDH), alpha-glycosidase, malondialdehyde (MDA) and fructose in the testis and epididymis tissues were monitored.</p><p><b>RESULTS</b>Compared with the normal control, there were no obvious changes in sperm density (P > 0.05), but a significant decrease in sperm motility in the LD and HD groups (P < 0.01), and the concentration of LDH obviously declined (P < 0.01) while that of MDA distinctly increased in the HD group (P < 0.05).</p><p><b>CONCLUSION</b>Spermatogenic cells could be damaged by the increase of inhibiting MDA, while sperm motility could be decreased by inhibiting energetic transferase or non-protein substance in the epididymis. This might be one of the mechanisms of ornidazole on weak sperm models in rats.</p>