Sarcopenia and osteoporosis are two common diseases with adverse effects on the health of the elderly and share many characteristics.As target organs of the two diseases,muscles and bones are closely connected,not only in anatomy and physiology,but also in pathophysiological processes.Initially,mechanical stimulation was conducted to explain the relationship between muscle and bone at the macroscopic level.Currently,research is increasingly focused at the cellular and molecular levels.Both muscle and bone tissues can secrete a number of growth factors,cytokines,polypeptides,and so on.Myokines include fibroblast growth factor-2 (FGF-2),myostatin,irisin,insulinlike growth factor-1 (IGF-1),interleukins,musclin,among others.Osteokines comprise osteocalcin,fibroblast growth factor-23,IGF-1,vascular endothelial growth factor,etc.In this review,we summarize the roles of myokines and osteokines in muscle-bone interactions.

Objective To evaluate the serum Krebs von den Lungen (KL)-6 for the diagnosis of interstitial lung disease (ILD) associated with connective tissue diseases (CTD) and its lung-CT subtypes.Methods Seventy-five CTD patients were employed for this study,44 CTD with ILD and 31 ILD without ILD.The 44 CTD patients with ILD were further divided into different subgroups based on lung-CT imaging and clinical indexes.The enzyme-linked immune sorbent assay (ELISA) was used to measure the serum KL-6 level.For those data that was abnormally distributed,the differences between groups was compared with independent samples nonparametric tests.Results The level of serum KL-6 in the CTD with ILD was significantly higher than that without ILD [(1 118±877) U/ml vs (253±144) U/ml] (Z=-6.047,P＜0.01).By using a criterion of 500 U/ml,our data suggested that the serum KL-6 level was useful for the ILD-CTD diagnosis;the sensitivity,specificity,positive and negative predictive values were 72.7％,87.1％,88.9％ and 69.2％,respectively.The serum KL-6 level,however,showed no statistical differences between ILD subtypes,i.e.,usual interstitial pneumonia (UIP),nonspecific interstitial pneumonia (NSIP) and indeterminate [(1 104±843) U/ml,(1 242±1 039) U/ml,(815±400) U/ml,respectively] (x2=0.35,P=0.84).Our data further showed that the KL-6 level was significantly higher in CTD-ILD patients with intensive lung lesions than those with limited lung lesions [(1 910±918) U/ml vs (459±268) U/ml] (Z=-4.364,P＜0.01).In addition,the KL-6 level was significantly higher in active ILDs than in inactive ILDs[(1 478±917) U/ml vs (598±475) U/ml] (Z=-3.915,P＜0.01).Conclusion The serum KL-6 is a valuable biomarker for CTD-ILD diagnosis and even for the assessment of the extent and activity of lung damage.

Objective To describe the status of nurse work engagement and to explore the relationship between work engagement and work-related flow experience.The study results provided the basis for how the nurse managers stimulate enthusiasm of nurses and let them devote themselves to work.Methods A convenience sample of 127 nurses from one major hospitals in Beijing city was recruited.Work Engagement Scale and Work-related Flow Experience Questionnaire were used in this study.Results The scores of work engagement were (3.18±0.59),at moderate level.Age,education level and professional titles were the influential factors of nurses' work engagement.The scores of work-related flow experience were (3.48±0.45),at moderate level.The scores of clear goals,focus on tasks,balance of skills and challenges were the top three dimensions of the work-related Flow Experience Questionnaire.Except for the two dimensions,the integration of action and awareness and the weakening of self-awareness,other dimensions of the work-related flow experience appeared statistically significant correlation to the scores of work engagement (P＜0.05 or P＜0.01).Most were moderate positive correlations.Conclusions Both the work engagement and the work-related flow experience are at moderate level.The nurse managers needed to take active measures to enable nurses to have more positive experiences and happiness,so as to enhance nursing work input,to improve quality of care and job satisfaction.

ObjectiveTo investigate the correlation between the level of resistin and the insulin resistance(IR) and the incorporation of microamount albuminuria(MA) of type 2 diabetes mellitus (T2DM).MethodsTwo hundred and twenty T2DM patients and 40 normal subjects (control group) were enrolled in this study.Two hundred and twenty T2DM patients were divided into 4 groups,IR group (group A,79 cases),non-IR group (group B,48 cases),IR complicating MA group (group C,51 cases),non-IR complicating MA group(group D,42 cases).The fasting serum resistin was measured by enzyme-linked immunosorbant assay (ELISA),and the fasting plasma glucose (FPG),glycosylated hemoglobin (HbA1c),fasting insulin (FINS) was also determined.ResultsThe level of fasting serum resistin in group A,B,C and D was higher than that in control group [(33.45 ± 1.37),(23.36 ± 1.47),(44.45 ± 1.39),(37.45 ±1.57) μ g/L vs.( 17.44 ± 1.26 ) μ g/L],and there was significant difference among 5 groups (P ＜ 0.01 ).The level of fasting serum resistin in group A was higher than that in group B (P ＜ 0.01 ),and the level of fasting serum resistin in group C was higher than that in group D (P ＜ 0.01 ).The level of fasting serum resistin was both higher in group C and D than that in goup A and B (P＜ 0.01 ).Correlation analysis showed the fasting serum resistin was positively correlated with body mass index(BMI),FPG,HbA1c and FINS in group A(r =0.35,0.46,0.37,0.49,P ＜0.05),and the fasting serum resistin was positively correlated with HbA1c,BMI,systolic blood pressure and diastolic blood pressure in group C(r =0.45,0.32,0.37,0.29,P ＜ 0.05 ).ConclusionsSerum resistin may participate in the process of IR and the formation of MA.It may become one of the diagnostic standard of the IR and one of the important index to estimate the MA.

Objective:To study the clinical features and treatment outcome of AIDS associated oral candidiasis.Methods:The clinical data of 31 cases with AIDSassociated oral candidiasis from 201209 to 201303 were studied retrospectively,including general data,clinical features,oral manifestation,CD4 cell count,opportunistic infections,and antifungal therapy outcome,etc.Results:CD4cell count ＜200 cell/μl was found in 30 cases,AIDSrelated multiple opportunistic infection was observed in 29 cases.30 cases hadpseudomembranous candidiasis,1 cases had erythematous candidiasis and 2 cases had pseudomembranous candidiasis with angular candidiasis.After antifungal treatment,the lesion of 8 cases reduced,that of 23 cases disappeared completely,lesion relapse after drugwithdrawal happened in 3 cases.Conclusion:AIDSassociated oral candidiasis was more common in AIDS patients with CD4 ＜200cells/μl,the main clinical form is pseudomembranous type,and with multiple opportunistic infections.The antifungal treatment is effective for the patients.

Objective To investigate the effect of vascular tortuosity and bending radius on the new type knitting stents (LVIS stent ) releasing on the cavernous sinus segment of internal carotid artery. Methods From December 2015 to January 2016,31 consecutive patients with wide-neckedaneurysm treated with LVIS stents and the proximal end of the stent released in the cavernous segment at the Department of Neurosurgery,Changhai Hospital,the Second Military Medical University were enrolled. According to whether the stents completely adhered to the walls or not after the first release,they were divided into two groups:a satisfactorily release group (n =23 )or an unsatisfactorily release group (n =8 ). The differences of vascular tortuosity and bending radius of the 2 groups were compared.Results Thevascular tortuosities of the satisfactorily release group and the unsatisfactorily release group were 118° ± 23° and 147° ± 19° respectively. There was significant difference (P=0. 028). The vascular bending radii were 3. 4 ± 0. 7 mm and 2. 8 ± 0. 7 mm respectively. There was significant difference (P=0. 042). The mean vascular tortuosity was larger and the mean vascular bending radius was smaller in the unsatisfactorily release group. Conclusions The greater the vascular tortuosity,the smaller the vascular bending radius may be connected with the unsatisfactorily release in the LVIS stent. The evaluation of vascular tortuosity is conductive to the guidance of the stent release technique before stent implantation.

Oligosaccharides are one of the essential physiological constituents of glycoproteins and glycolipids on mammalian cell surfaces and microbial metabolites. They have considerable potential as therapeutics but are only now slowly assuming this important role. One of the reasons for their slow development has been the considerable difficulty in synthesizing oligosaccharides on the scale necessary for their clinical evaluation. Classical chemical and enzymatic methods both have limitations in synthesizing large-scale oligosaccharides. In recent years, the rapid progress on molecular biotechnology has promoted the development of retaining glycosidases in oligosaccharides synthesis, which led to the production of a novel class of enzymatic activities termed the glycosynthases. These new enzymes are retaining glycosidase mutants in which the catalytic nucleophile has been converted to a non-nucleophilic residue,synthesizing oligosaccharides in high yields ( the highest yields reach 99%) without any hydrolysis. Furthermore thioglycoligases and thioglycosynthases have been developed subsequently in the past three years. Glycosynthases can be screened in high-throughput assay by the two-plasmid system and the yeast three-hybid system respectively. Their activity can be significantly enhanced by substituting alternative residues for nucleophile, additional random mutations and optimizing reaction conditions. Their regioselectivity can be modified through changes in receptors.

Objective To explore how does chymase affect diabetic cardiomyopathy by investigating the gene expression of chymase and the relationship between the gene expression of chymase and the angiotensin Ⅱ in the cardiomyopathy of streptozotocin-induced diabetic hamasters. Methods Diabetic hamsters were induced by intraperitoneal injection of STZ 40 mg/kg once a day for 3 days. After stabilization of diabetic state for 18 weeks, the myocardial ultrastructure was observed with electron microscope and pathologic changes were observed by light microscopy. Immunohistochemistry was used to measure the level of expression of type Ⅰ and type Ⅲ collagen in diabetic and normal hamster hearts. Level of blood glucose, lipoprotein was determined using biocehemical methods. Apoptosis of cardiomyocyte was measured using TUNEL methods. Radioimmunuoassay method was used to determine the level of angiotensin Ⅱ. RT-PCR was used to determine chymase gene expression (corrected by?-actin). ResultsComparing with the control group, levels of serum glucose, TG, TC, LDL in DM group were much higher. Concentrations of collagen Ⅰ, Ⅲ and angiotensin Ⅱ [(95.8?16.0)?g/kg tissue vs (51.1?20.8)?g/kg tissue] in myocardial tissue in DM group were much higher than those in control group. RT-PCR result showed: Comparing with the control group, the mRNA expression of chymase in DM group was promoted significantly (0.810?0.026 vs 0.490?0.087). Conclusion In diabetic hamsters, the gene expression of chymase were much higher than thatin the control group, accompanying higher level of Angiotensin Ⅱ, higher levels of expression of collagen Ⅰ and Ⅲ. This result suggests that chymase plays an important role in the diabetic cardiomyopathy by promoting the activity of chymase.

Objective To assess the reliability and validity of the effect evaluation index system for health education of coronary heart disease.Methods A total of 306 patients with coronary heart disease in four third-grade and A-level hospitals extacted by convenient sampling method were surveyed.Project analysis,exploratory factor analysis,correlation analysis and so on were applied to analyze and select items.Then the Cronbach's alpha coefficient,test-retest reliability,and content validity of the scale were tested.Then the original system was modified and the eventual system was formed.Results The scale was consisted of 8 first-dimensions and 35 indexes.The Cronbach's α of the total system was 0.832,and the α of subscales were from 0.629 to 0.882.The test-retest reliability of the total system was 0.966,and the testretest reliability of subscales were from 0.848 to 0.942.The S-CVI/Ave of system was 0.99,and the S-CVI/UA of indexes was 0.91.The Pearson correlation coefficient of the indexes with their dimensions were from 0.574 to 0.916,which were higher than the coefficient of the indexes with other dimensions.Factor analysis supported the eight-factor structure of the system,which could explain 65.61％ of the total variance and the factor loading of each index were from 0.430 to 0.938.Conclusions The system is reliable and valid,and can provide a unified reference standard for effect evaluation of health education of coronary heart disease.

Objective To establish a scientific,standard and comprehensive effect evaluation index system for health education of coronary heart disease.Methods Based on KABP (knowledge,attitude,belief,practice,KABP) model of health education,the effect evaluation index system for health education of coronary heart disease was formulated by documentary analysis,qualitative research,questionnaire survey,Delphi method,and analytic hierarchy process.Results The authoritative coefficient,determination coefficient and familiarity coefficient was 0.89,0.91,0.86,respectively.The coordination coefficients of the first-dimension and the second-dimension were 0.295 and 0.302,respectively.The index system consisted of 6 first-dimensions,45 second-dimensions.The weight coefficient of health knowledge,health belief,health behavior,physical signs,quality of life,and satisfaction degree of health education was 0.153 8,0.153 8,0.366 1,0.086 3,0.153 8,0.086 3,respectively.Conclusions The effect evaluation index system for health education of coronary heart disease is reliable and valid,which can provide a quantitative basis for effect evaluation of health education.