BACKGROUND:Osteoporosis caused by diabetes melitus as common secondary osteoporosis has been paid more and more attention recently. Zoledronic acid serves as a novel drug for osteoporosis, and its effect on osteoblasts in vivo remains unclear. OBJECTIVE:To investigate the changes of the expression of bone morphogenetic protein 2 andNoggin in the femur of type 1 diabetes melitus rats and the effect of zoledronic acid on them. METHODS:Models of type 1 diabetes melitus were established by intraperitoneal injection of streptozotocin in 130 Wistar rats. 3 days later, rats with blood sugar > 16.7 mmol/L for three consecutive times were considered as successful models, 120 in total. These models were randomly divided into model, prevention and treatment groups. Rats in the prevention and treatment groups were intravenously administered zoledronic acid (0.1 mg/kg) on the day of modeling and 2 weeks after model establishment. An additional 40 rats were injected with citrate buffer solution as control group. RESULTS AND CONCLUSION: Compared with the control group, femur bone mineral density, serum alkaline phosphatase levels, and femur bone morphogenetic protein 2 mRNA expression levels were significantly lower in the model group (P < 0.05), butNoggin mRNA expression significantly increased (P < 0.05). Compared with the model group, bone mineral density and bone morphogenetic protein 2 mRNA expression levels were significantly higher in the prevention and treatment groups (P < 0.05), butNoggin mRNA expression significantly lower (P < 0.05), and serum alkaline phosphatase levels gradualy restored. These results indicated that the bone metabolic disturbance occurs in early stage in rats with type 1 diabetes melitus. Zoledronic acid can promote bone formation, increase bone density, and improve bone metabolism.

Objective To investigate the effect of luxS inactivation on the oxidative stress of Streptococcus mutans and perform preliminary analysis of potential mechanism.Methods Strains were grown to mid-logarithmic phase and divided into three groups,one was used as control and inoculated into normal TPY medium,and the other two groups were experimental groups,and there were separately inoculated into TPY containing 58.8 mmol/L hydrogen peroxideor TPY containing 58.8 mmol/L hydrogen peroxide and 0.1 mmol/L 2,2'-dipyridyl.The survival rate of strain was calculated at 0.5,1,and 2 h.All the data were statistically analyzed.Results Compared with the control group,the survival rate of luxS mutation was always higher than standard strain at all pre-determined time inexperimental groups (P＜0.05),and compared with experimental group without iron chelator,the survival rate of strains was not raised with the added of iron chelator (P＞0.05).Conclusion luxS gene is involved in oxidative stress tolerance of Streptococcus mutans,and the oxidative stress tolerance is not achieved by avoiding the toxic effects of the Fenton reaction

With constant development and application of new generation information technology such as big data, cloud computing and Internet of Things, traditional management style and thought patterns of TCM are being changed. It is particularly important to introduce information security into budget management of TCM projects. This article discussed security factors in TCM budget monitoring platform, organized key contents of information security construction, built information security model for monitoring platform, and analyzed security strategies for the construction of TCM budget monitoring platform, with a purpose to guarantee effective implementation of budget information management measures of TCM projects.

Objective To investigate the aerosolized livability,aerosolized quantity and aerosol particle diameter,etc. of phage D29. Methods Phage D29 aerosol was produced in the aerosol test cabinet in negative pressure laboratory. TSI3321 aerodynamic particle sizer spectrometer was used for detecting the diameter of the aerosol particle. Bioaerosol particle median diameter was tested with Anderson six grade microorganism sampler. The aerosolized livability and quantity of phage D29 were determined by the variations of the concentrations and quantities of phage D29 before and after aerosolization.Results The aerodynamic diameter of phage D29 aerosol was 0.872 μm. Bioaerosol particle median diameter was 2.21 μm. The livability after aerosolization for 5,15,30,45,and 60 min were 89.78％,77.19％,48.86％,33.99％,30.12％,respectively. The aerosolized quantity of phage D29 was 232 μl/min. Conclusion The characters of the aerosolized livability,aerosolized quantity and aerosol particle diameter of phage D29 were thought to be suitable for further research into aerosol inhalation treatment of Mycobacterium tuberculosis infection in animals.

Adult ; Castleman Disease ; Humans ; Male ; Nasopharyngeal Diseases

Cervical nodal metastases are common in patients with head and neck cancers. Early assessment is important for treatment planning and prognosis. Ultrasound has been widely used in the evaluation of neck lymph nodes, with common parameters including location, size, shape, boundary, hilus, echogenicity, vascular pattern, and resistance index. The diagnostic accuracy has been dramatically improved along with the introduction of new techniques including contrast-enhanced ultrasound, elastography, and ultrasound-guided fine needle aspiration biopsy. Neck ultrasound has became an important tool in preoperative assessment and postoperative follow-up for patients with head and neck cancers.
Head and Neck Neoplasms ; pathology ; Humans ; Lymph Nodes ; diagnostic imaging ; pathology ; Lymphatic Metastasis ; diagnostic imaging ; pathology ; Neck ; diagnostic imaging ; pathology ; Ultrasonography

A strain was separeted from the Yueqing bay using pine pollen baiting.The vegetative thallus of the separated strain is oval and unincleate.It possesses a cell wall composed of many compact layers of closely pressed scales, which can be resolved where the cell wall is disrupted.The radiating branched extensions of the thallus, the ectoplasmic net, emerges from the sagenogenetosome.Asexual reproduction is by conversion of the vegetative thallus to many biflagellate zoospores, during which tetrads of cells are formed.It was identified with Schizochytrium sp.based on the features mentioned above.

Objective To investigate the value of contrast-enhanced ultrasonography (CEUS) in the diagnosis of tuberculous mesenteric lymphadenitis by analyzing its enhancement pattern. Methods The conventional ultrasound and contrast-enhanced ultrasound images of 62 patients with tuberculous mesenteric lymphadenitis confirmed by needle core biopsy or surgery were retrospectively analyzed. The location, size, shape, internal echo and posterior enhancement of mesenteric lymph nodes were recorded. All cases were divided into two groups:the maximum diameter of the lymph node≤20 mm and the maximum diameter of the lymph node >20 mm, and the patterns of enhancement in two groups were analyzed. Results The conventional ultrasound of 62 cases with tuberculous mesenteric lymph nodes showed enlargement. And the echogenicity was hypoechoic or heterogeneity, containing punctate or clusters of calcification in 19 cases (30.6%). After CEUS, there were three forms of enhancements:rim enhancement in 29 cases (46.8%);inhomogeneous enhancement in 21cases (33.9%);non-enhancement in 12 cases (19.3%). Rim enhancement was more common in the≤20 mm group, while inhomogeneous enhancement was more common in the lymph nodes>20 mm. There was statistically significant difference of the enhancement type between the≤20 mm group and the>20 mm group (χ2=6.782, P=0.034). Conclusions Most of tuberculous mesenteric lymph nodes showed rim and inhomogeneous enhancement in CEUS, and the sizes of mesenteric lymph node tuberculosis influenced the CEUS enhancement patterns. CEUS may provide useful information for the diagnosis of the tuberculous mesenteric lymph node.

OBJECTIVE To discuss the clinical traits,pathogenesis and traditional Chinese medicine(TCM) stepwise treatments of the patients who suffered from pulmonary infection after kidney transplantation.METHODS Because of patients after kidney transplantation easily suffered from pulmonary infection,which was characterized by non-typical symptoms,concealment and varity.In the aspects of the pathogenesis of this disease,the principal aspect of which was the weakened body resistance(kidney deficiency)and the secondary incidental was affected pathogenic factor(heat,toxin,stasis brewing in the lungs),viz weaken healthy qi and excessive pathogenic factor.Hence during the clinical treatment we should attach importance to regulate entire faculty condition.Considering the acute attack stage and restoration stage,we would differently inflict therapies of clearing heat,resolving toxin,quickening the blood,supplementing the kidney and nourishing yin,clearing heat and moistening the lung and so on,according to differentiation of symptoms and signs,in which way we could give attention to both the root and tip.RESULTS The TCM stepwise therapy of pulmonary infection after kidney transplantation had the characteristics of high efficacy,few side reactions and stable long-term curative effects.CONCLUSIONS The TCM therapy of pulmonary infection after kidney transplantation has more potentiality and predominance,which deserves further study.

OBJECTIVE To discuss the characteristics and risk factors of nosocomial infection inpatients with chronic kidney disease.METHODS The data from chronic kidney disease(CKD) patients retrospectively analyzed.RESULTS The nosocomial infection rate of CKD patients was 14.73%,urinary tract was the most comun site,The main-pathogens were Gram-negative bacteria,and then Gram-positive bacteria and fungii.The patients with diabetic nephropathy,lupus nephritis,aging,lower glomerular filtration rate,hypoproteinemia,anemia,and long time duration were easy to get nosocomial infection.CONCLUSIONS Nosocomial infection in CKD patients is related to underlying diseases,age,kidney function,serum albumin level,hemoglobin level,duration time in the hospital.