Objective:To detect the modulation of the Th1/Th2 bias by the EtOH ext. of roasted perilla seed(RPS) in the anaphylaxis mice model.Methods:The mice were divided randomly into 5 groups, namely 1.28, 0.64 and 0.32 g/kg EtOH ext.of RPS group, anaphylaxis model and normal control. All the mice except for the normal control were sensitized by immunized intraperitoneally on days 0 and 5 with chicken OVA. The cytokine profile including IFN-?, TNF-?, IL-2, IL-4, IL-5 in serum of all the mice were evaluated by FCM.Results:The IFN-?/IL-4 ratio was decreased from 3.93 in the anaphylaxis mice model to 0.87 in the normal control group. The mice in 0.32, 0.64 and 1.28 g/kg EtOH ext of RPS group displayed a down-regulation for serum IL-4 and TNF-? levels and showed increased levels of IFN-? with the correspondent IFN-?/IL-4 ratio of 1.92, 2.85 and 3.14.Conclusion:The EtOH ext. of roasted perilla seed can modulate the Th1/Th2 bias in a dose-dependent manner.

Objective Motility is an important physiological characteristic of a mature sperm.Nerve growth factor(NGF) is a protein essential for the development,maintenance and survival of the peripheral and central nervous systems.NGF and its receptors TrkA and p75 are widely expressed in the testis,accessory reproductive organ,and the epididymal sperms.In the present study,we investigated the role of NGF on human sperm motility.Methods Use 0.1,1 and 10 μmol/L concentrations of NGF,on sperm motility study to investigate the optimal concentration.Use CASA to detect Sperm motility changes every 10 minutes in an hour after 10 μmol/L NGF was added to the semen.Results The parameters of sperm motility increased after NGF incubation had significant difference, in particular,VAP,VSL,VCL,BCF and LIN mean were significantly increased more than 32%.MAD,STR,ALH and WOB mean had no notable difference.Furthermore,NGF promotes the sperm motility in a time- and dose- dependent manner.In addition,the enhancement of NGF on sperm motility was more stronger than those of sperm culture medium.Conclusion Our findings suggest that NGF plays a promoted role in human sperm motility.

Objective: To probe and reveal the brain tomic and the wise sharpening action of Fuyuanbunao Granules and Its toxicity and side effect. Methods: The effects of Fuyuanbunao Granules on the memory acquisition disturbance induced by pentobarbital sodium or anisodine, the memory consolidation disturbance induced by sodium nitrite, and the memory repetition disturbance induced by alcohol were observed. Meanwhile, the acute toxicity test was done. Results: The granules could obriously improve the memory disturbance induced by the factors obove, and the improvement effect varied with the dose. The effects of larger dose groups were more obvious. There were no death of animals or toxicity and sile effect in test. Conclusion:Fuyuanbunao Granules maybe have the cholinergic acction. It can promote the aerobic metabolism, improve the cerebral anoxia and the inhibited state of center nervous system. It has low toxicity and can be used in clinical application.

The main clinical symptoms of Parkinson's disease (PD) are resting tremor, muscle rigidity, bradykinesia, and so on. There is no effective treatment for PD yet, and dyskinesia symptoms affect the life qualities of PD patients. The therapy used for reinforcing kidney and activating blood circulation in treatment of PD can achieve good clinical effects.

Real-time fluorescent quantitative PCR was used to examine PGC-1α mRNA expression in brown adipose tissue and skeletal muscle of rats. The results showed that the expression levels of PGC-1α mRNA in brown adipose tissue and skeletal muscle of obese rats were lower than those of the normal ones (all P<0.01). After high dose glucocorticoid treatment, the levels of PGC-1α mRNA expression in brown adipose tissue and skeletal muscle, both in normal and obese rats, were decreased significantly.

OBJECTIVE:To study the technical conditions and parameters of DiaionHP-20 macroporous adsorption resin for the purification of the anti-PMOP(primary Type I osteoporosis) active fraction from Camellia semiserrata seed.METHODS: With the elution ratios and purity of total flavonoids and polyphenol from Camellia semiserrata as indexes,the technical parameters of DiaionHP-20 macroporous adsorption resin including the adsorption quantity,the loading sample,the elution concentration and volume of alcohol were investigated.RESULTS: The adsorption quantity of DiaionHP-20 macroporous resin on total flavonoids and polyphenol were 59.5 mg?g-1 and 23.9 mg?g-1 respectively.The optimal technical conditions were as follows:the quantity of drug was 10.5 times that of resin;water-soluble foreign substance was washed off with distilled water weighing 3 times the weight of resin,and total flavonoids and polyphenol were eluted using 25% ethanol weighing 13.5 times the weight of resin.CONCLUSION:DiaionHP-20 macroporous resin had good purification effects on total flavonoids and polyphenol from Camellia semiserrata seeds.The process is simple,low cost,and suitable for lavge-scale production.

Objective To observe the molecular mechanism of adaptive response of the kidney and skeleton and brain issues in the high altitude hypoxia; To discuss the unity of yin and yang oscillation relationship of kidney and brain marrow.Methods SPF KM mice were randomly divided into control group and model group according to random number table method. Mice in the model group were exposed to high altitude hypoxia cabin for successive 21 d. On the 22nd day, mice got out of the cabin and their body weight was measured, and then they were put to death through eyeball blood sampling. The activities of lactic LDH and Na+-K+-ATPase in brain tissue were detected by spectrophotometric colorimetry. The PFK activities of brain and skeletal muscle were detected by ELISA. Meanwhile the contents of EPO and EPOR in the kidney were measured by ELISA. The mRNA expressions of HIF-1α and AQP-4 in brain were assessed by RT-PCR. At the same time, the protein expressions of HIF-1α and AQP-1 in brain and the protein expression of Mb in skeletal muscle were detected by Western blot.Results Compared with the normal group, the LDH and PFK in brain tissue and the content of EPO in kidney tissue were all raised in the model group(P<0.05). Meanwhile the mRNA expressions of HIF-1α and AQP-4 and the protein expressions of HIF-1α and AQP-1 in brain were all increased in the mice from the model group; the activities of PFK and the protein expression of Mb in skeletal muscle were also raised in the model group. But the activity of Na+-K+-ATPase in brain tissue and the content of EPOR in kidney tissue both decreased in the model group (P<0.05,P<0.01).Conclusion Adaptive response and the unity of yin and yang oscillation relationship between kidney, skeleton and brain tissue happen in high altitude hypoxia.

Objective:The study seeks to explore the factors influencing the psychological status and sleep quality of medical workers amid the ongoing COVID-19 pandemic, in order to provide data sources and theoretical basis for the development of relevant psychological intervention programs.Methods:Employing the convenience sampling method, general information questionnaire (age, gender, marital status, educational background, job status, etc.), Generalized Anxiety Disorder-7 and Patient Health Questionnaire, epidemic stress index scale, and sleep quality questionnaire were distributed to medical staff between February 18 and April 3, 2020, using the PEM mental health care platform of by ZhongShengKaiXin for medical staff issued. Descriptive, single factor, and correlation analyses, as well as multiple linear regression analysis were used to analyze the data.Results:Overall, 24, 845 questionnaires were collected from 23 provinces, of which 24, 687 were valid, with a recovery rate of 99.36%. The findings showed that the proportion of medical personnel with symptoms of anxiety and depression was 50.58% and 51.37%, respectively; 16.11% had poor or very poor anti-stress ability; and 71.78% reported poor or very poor sleep quality. There was a positive correlation between anxiety, depression, anti-stress ability, and sleep quality ( P<0.05). Anxiety was positively correlated with depression, stress tolerance, and sleep quality( r=0.787, 0.667, and 0.486, all P<0.001); depression was positively correlated with stress tolerance and sleep quality ( r=0.709 and 0.586, both P<0.001); and stress tolerance was positively correlated with sleep quality ( r=0.452, P<0.001). Multiple linear regression analysis results showed that age, gender, marital status, educational background, professional title, job status, and participation influenced the anxiety levels of medical personnel in the backdrop of the pandemic ( P<0.001). Depression levels of medical staff were influenced by gender, educational background, job position, and participation ( P<0.001), while gender, marital status, educational background, job position, and participation influenced the stress tolerance levels ( P<0.001). The sleep quality of medical workers was influenced by age, gender, job position, participation in the fight against the pandemic, and professional title ( P<0.001). Conclusions:Amid the ongoing COVID-19 pandemic, medical staff reported poor mental health status and sleep quality, which can be attributed to diverse factors. The research findings can be useful for assisting medical staff to strengthen their self-cognition, while also providing certain psychological counseling data and theoretical basis for management departments.

Objective To investigate the prevalence rate of metabolic syndrome (MS) and its related diseases in Bengbu community residents. Methods 3246 residents aged from 25 to 74 years were chosen through cluster random sampling method, including 1459 males and 1787 females. MS and its related diseases were examined. Results (1) The prevalence rate and standardized rate of MS was 20. 5% and 16.0%, respectively, which reached higher level all over China. The prevalence rate of male and female was 22. 9% and 18. 6%, respectively. The highest prevalence rate occurred in presenium patients. (2)The prevalences of various metabolic diseases were increased with aging except for overweigh/obesity and MS (P<0.01). The prevalence of various metabolic diseases was 1 times higher in elderly patients than that in young patients, and the prevalence rate of MS in male and female increased to 2.8 times and 2.7 times, respectively. The prevalence rate of type 2 diabetes mellitus increased biggest, male to 7.9 times and female to 12.8 times compared with the original level. (3) The multiple components clustering rate of MS was high, only 33.8% of individuals had no metabolic disorder. Conclusions The prevalence rates of MS and its related diseases are high in Bengbu community residents. It is necessary to take comprehensive measures to prevent and control MS in community.

The biomimetic strategy of using the cell membrane-coated nanoparticles can retain the physical and chemical properties of the nanoparticles and show the biological characteristics of the source cell membrane, which can further enhance the role of the nanodrug in tumor treatment. A hybrid cell membrane is the fusion of two or more different types of cell membranes. A hybrid cell membrane can endow nanoparticles with multiple biofunctions derived from the source cells compared with a single cell membrane. Hybrid cell membranes provide a foundation to stimulate extensive research into multifunctional biomimetic nano-drug delivery system (NDDS), which is expected to broaden the application of biomimetic nanotechnology in drug delivery systems. In this review paper, the types of hybrid cell membrane used to construct nano-drug delivery systems, the preparation and characterization methods, and cancer treatment research progress in recent years were reviewed.