Objective To study the effects of anatoxin-a (ANTX-A) on the activity of ATPase in PC12 cells.Methods PC12 cells were activated by different concentrations of ANTX-A stimulation for an hour or 10-7 mol/L ANTX-A for different time.PC12 cells were desensitized using twice incubation method.The activities of Na+-K+-ATPase and Ca2+-ATPase were determined by colorimetry method.Results 10-9,10-8,10-7 mol/L ANTX-A activated PC12 cells for an hour and 10-7 mol/L ANTX-A activated PC12 cells for 30,60,120 min,the activity of Na+-K+-ATPase in PC12 cells,in all of the cases,showed an reduction tendency,the activity of Ca2+-ATPase decreased significantly in different activation situation compared to the control group(P

Objective To explore the correlations of expressions of gastric mucosa water channel aquaporin AQP3 and AQP4 and different gastritis types. Methods The gastric mucosa was mounted under gastroscope. The types of gastric mucosa pathology and activity were tested by the common pathohistology. The expressions of AQP3 and AQP4 were determined by immunohistology. Results The expressions of AQP3 and AQP4 of chronic superficial gastritis were significantly higher than those in the non-gastritis group and chronic atrophic gastritis group (P < 0.01), especially in the activity period of chronic superficial gastritis. The expressions of AQP3 and AQP4 of chronic atrophic gastritis group were reduced when compared to those in the non-gastritis group, in spite of no statistical differences between them. While compared to the non-gastritis group , the expression of AQP3 of chronic atrophic gastritis group during the active stage was remarkably decreased (P < 0.05). Conclusion The expressions of AQP3 and AQP4 of gastric mucosa in chronic gastritis in various pathological types are different. AQP3 and AQP4 may be the targeted point , which could be used for the differential diagnosis and treatment of chronic gastritis of different pathological types.

Objective To investigate the clinical effects of endoscopic sphincterotomy (EST) or endoscopic retro-grade cholangiopancreatography (ERCP) and laparoscopic common bile duct exploration (LCBDE) combined with la-paroscopic treatment of gallbladder and common bile duct stones. Methods 80 patients suffered cholecystolithiasis with choledocholithiasis were selected from June 2013 to June 2015. According to surgical method, patients were di-vided into EST + LC group (38 cases) and LCBDE + LC + ERCP group (42 cases). Clinical data, treatment effects, postoperative complications rate related indicators of liver function were compared between the two groups. Results The maximum diameter of stones, diameter of common bile duct and the number of stones in LCBDE + LC + ERCP group were significantly longer and larger than EST + LC group, the differences were statistically significant ( <0.05). Compared with EST + LC group, single success rate of ERCP + LC + LCBDE group was higher, operative time was shorter, but its operation cost was higher, the differences were statistically significant ( < 0.05). The suc-cess rate, rate of conversion to laparotomy and hospital stay between the two groups showed no significant difference ( > 0.05). Postoperative complication rate of ERCP + LC + LCBDE was 21.42 %(9/42), and postoperative compli-cation rate of EST+ LC was 26.32 % (9/42), the difference between the two groups were not clear ( > 0.05). The serum direct bilirubin, alanine aminotransferase and aspartate aminotransferase in the two groups were increased slightly after one day of operation, and those indexes returned to normal levels after three days of operation. Conclusion The operation methods of LCBDE+LC+ERCP and EST+ LC are both effective treatment for compli-cated choledocholithiasis. The success rate of LCBDE+LC+ERCP is higher, the operative time is shorter, which is good for larger stones.

Objective To analyze the influencing factors of deep vein thrombosis (DVT ) in the patients with abdominal trau‐ma .Methods A total of 200 cases of patients with abdominal trauma in our hospital from June 2014 to June 2015 were selected and performed the color Doppler ultrasonography for determining whether DVT occurring .The clinical data were retrospectively ana‐lyzed .The influencing factors of DVT occurrence in the patients with abdominal trauma were analyzed .Results Among 200 cases of abdominal trauma ,56 cases appeared the symptoms and signs of muscular pressing pain ,swelling pain ,positive Homans sign ,su‐perficial varicose and skin temperature decrease within 7 d after abdominal trauma ,60 cases were diagnosed as DVT by color Doppler ultrasonography .The multivariate Logistic regression analysis results showed that advanced age ,high cholesterol level ,high D‐dimer level ,high blood urea nitrogen level ,complicating hypertension ,complicating diabetes ,complicating hyperlipidemia ,surgical history at preoperative 1 month ,lower abdominal trauma ,high score of trauma ,bedridden time more than 3 d and infection were the independent risk factors of DVT occurrence in abdominal trauma patients (P<0 .05) .Conclusion Clinic should perform the color Doppler ultrasound screening in the abdominal trauma patients with risk factors of DVT ,which is conducive to early discovery and early treatment of DVT .

Objective To investigate the changes of the neuron-specific enolase(NSE) and soluble intercellar adhesion molecule-1(CAM-1) in serum and cerebrospinal fluid(CSF) in the patients with viral encephhalites (VE). Methods The levels of NSE and sICAM-1 in serum and CSF were determined before and after treatment using ELISA in 58 patients with VE and 20 normal persons. Results The levels of NSE and sICAM-1 in serum before treatment were obviously higher than those of control group, and their differences were significant (P0.05). Conclusions NSE and sICAM-1 may contribute to pathologic course in infection of VE and the levels of NSE and sICAM-1 in serum and CSF may serve as markers of differential diagnosis and clinical significance.

Objective · To survey the willingness to enroll in nursing homes among the elders in Shanghai and explore its predictors. Methods · A field survey was performed to collect data from 641 elders aged 60 years old and above in six community health centers in Shanghai. Sociodemographic variables, willingness to use nursing home, perceived barriers and perceived benefits were measured. Results · The questionnaire is with good structural validity and good intrinsic reliability. KMO index, P value of Bartlett's test of sphericity, and the range of Cronbach's α coefficients were 0.862, 0.000,and 0.739-0.824, respectively. Among the respondents, 46% were willing to enroll in a nursing home in this survey. Age had significant influence on their willingness (P=0.045). After adjusting for age, the multivariate Logistic regression analysis showed that shame (OR=0.76, 95% CI=0.62-0.94), adaptability (OR=0.61, 95% CI=0.50-0.74) and perceived benefits (OR=1.63, 95% CI=1.32-2.03) were related to willingness (P<0.05).Conclusion · Elders in Shanghai have a relatively high level of willingness to enroll in nursing homes, especially the elders aged from 60 to 69. Shame and adaptability of elders, and the services provided by nursing homes were the predictors of the elders' willingness.

Under the current situation of the rapid development of brain-like artificial intelligence and the increasingly complex electromagnetic environment, the most bionic and anti-interference spiking neural network has shown great potential in computing speed, real-time information processing, and spatiotemporal data processing. Spiking neural network is the core part of brain-like artificial intelligence, which realizes brain-like computing by simulating the structure of biological neural network and the way of information transmission. This article first summarizes the advantages and disadvantages of the five models, and analyzes the characteristics of several network topologies. Then, it summarizes the spiking neural network algorithms. The unsupervised learning based on spike timing dependent plasticity (STDP) rules and four types of supervised learning algorithms are analyzed. Finally, the research on brain-like neuromorphic chips at home and abroad are reviewed. This paper aims to provide learning ideas and research directions for new colleagues in the field of spiking neural network.
Algorithms ; Artificial Intelligence ; Brain ; Neural Networks, Computer

Objective To analyze the educational characteristics of physical therapy in universities of United States, and provide reference for the international development of rehabilitation therapy education in China.Methods Based on the data collected from the official websites of three universities in the United States and the databases at home and abroad, combined with the author's learning experience, the characteristics of physical therapy education in universities of United States in detail was analyzed.Results Characteristics of physical therapy education in universities of United States had strict accreditation system, course objectives oriented by practicing competence, comprehensive curriculum plan, educational concept of student-centered, high level of teaching informatization, diversified teaching and learning evaluation system, which conformed to the goal of rehabilitation competency of World Health Organization.Conclusion Physical therapy education in United States has remarkable characteristics and a well-developed system, which has certain reference value for China.

Objective To observe the effects of dual-task motor training on motor and balance function for stroke patients. Methods From January, 2016 to June, 2017, 30 patients with stroke were assigned randomly into control group (n = 15) and treatment group (n = 15). Both groups accepted routine physical therapy, the control group accepted anti-gravity treadmill training, while the treatment group accepted dual-task training with anti-gravity treadmill, for four weeks. They were measured with balance training and evaluation system, and assessed with Fugl-Meyer Assessment-lower extremity (FMA-L), Berg Balance Scale (BBS) and modified Barthel Index (MBI), before and after treatment. Results The range of swaying on X axial (Rx) and Y axial (Ry), as well as rectangle area (RecArea) decreased after treatment in the treatment group (t > 4.719, P < 0.001), while RecArea decreased in the control group (t = 5.069, P < 0.001). Ry and RecArea were less in the treatment group than in the control group (t > 2.288, P < 0.05). The scores of FMA-L, BBS and MBI improved after treatment in both groups (t > 7.316, P < 0.001), and improved more in the treatment group than in the control group (t > 2.322, P < 0.05). Conclusion The dual-task training via anti-gravity treadmill may improve motor and balance function in stroke patients, and promote the activities of daily living.