OBJECTIVE To seek the effective dynamic air disinfector for hospitals,and investigate the effects of JBL nano-meter dynamic air disinfector.METHODS Choosing four different hospitals,using JBL nano-meter dynamic air disinfector device to collect,compare and analyze the data under a human being movement environment or a vacant environment on the basis of the air sampling method taken from Hospital Disinfection Technology Standard(in 2002 edition) issued by the Ministry of Health.RESULTS When all four hospitals using JBL nano-meter dynamic air disinfectors,the average air bacterium-killing rate in a human being movement environment reached 80.35%,which was obviously better than other similar devices.CONCLUSIONS JBL nano-meter dynamic air disinfector not only has very good function of removing the unusual odors,but has excellent active air disinfection effect.Meanwhile,the device can be installed conveniently.It is regarded as one of the best hospital air disinfection devices.

Objective:To investigate the difference of CD3+CD4+and CD3+CD8+T cells between patients with advanced small cell lung cancer and with non-small cell lung cancer, and provide available reference for treatment.Methods: Peripheral blood was taken from 65 patients with advanced lung cancer which was included 14 cases of small cell lung cancer and 51 cases of non-small cell lung cancer, 20 cases normal controls.The expression of CD3+CD4+ and CD3+CD8+ on lymphocytes was analyzed with flow cytometry.Results:We found that the percentage of CD3+CD4+T cells in small cell and non-small cell lung cancer patients were both much less than that of normal controls.There was no significant variation in the percentage of CD3+CD8+T cells between advanced lung cancer patients and normal controls.CD4+/CD8+in patients with advanced small cell lung cancer were a lot less than those in normal controls.Conclusion:Both of the percentage of CD3+CD4+T cells in small cell and non-small cell advanced lung cancer patients were significantly decreased than that in normal controls.Patients who attacked with advanced lung cancer were severely injured in cellular immunity.

Mutagenesis of several male contraceptives in sperm bead anomalies was investigated. Results show that glycosides of tripterygium wilfordii hook (GTW) and its monomer T13, microwave induce sperm head anomalies. However, gossypol and monomer T4 and GTW do not induce sperm head anomalies. Adult male mice and rats were given orally GTW, monomer T4, T13 and gossypol. These chemical agents were delivered in 1% methylcellulose. Result indicated that frequency of abnormal sperm heads in GTW, T13 groups were significantly increased, while frequency of abnormal sperm heads in T4 and gossypol-treated animals were similar to that of normal controls. When male mice were exposed to microwaves of 0.5 kW for 1-2 min, for five weeks abnormal shape of spermatozoa could be found.

Objective To investigate the perioperative risk of deep vein thrombosis (DVT) in patients with hepatic cirrhosis that underwent total hip arthroplasty (THA), and to evaluate the safety and feasibility of individualized anti-coagulation treatment.Methods There were 25 patients complicating hepatic cirrhosis that underwent THA (from Jan.to Dec.2014), including 17 males and 8 females, aged 57.9t9.2 years.The primary causes of THA were avascular necrosis of the femoral head (eighteen cases) and osteoarthritis of the hip (seven cases).Low molecular weight heparin (LMWH) was applied for anti-coagulation treatment.Parameters of hepatic function and coagulation function of THA cases (randomized thirty cases, from Jan.2008 to Dec.2008) without hepatic cirrhosis were used as reference for monitoring.For the cases of massive blood loss or upper gastrointestinal hemorrhage, a LMWH administration pause and an administration of fresh frozen plasma and clotting factors were performed in order to maintain a hemorrage/coagulation balance.The clinical outcome of the hip joint was evaluated and complications were treated.A subsequent follow-up was also carried out after perioperative period.Results All cases received successful surgeries and followed up.The follow-up duration was 34± 15.7 months.The preoperative Harris hip score was 32.4± 10.2 points, while the most recent follow-up score was 82.9±6.1 points, which was statistically significant.Dislocation, periprosthetic fracture and periprosthetic infection were absent.All cases received individualized anti-coagulation treatments during peripoerative period.A hemorrage/coagulation balance was achieved.The dynamic parameter curves did not present excessive deviation from reference.One case encountered intermuscular hematoma of the lower limbs 48 hours postoperatively, which was solved by a LMWH pause and administration of fresh frozen plasma and clotting factors.One case suffered upper gastrointestinal hemorrhage five days postoperatively, which was controlled by a LMWH pause and the administration of somatostatin and proton pump inhibitor.Jaundic got worse in one case three days postoperatively but got relieved after treatment.Overt blood loss was 686t141.8 ml.Perioperative death, hepatic failure, hepatic encephalopath, hepatorenal syndrome were absent.No DVT was observed.Conclusion There are risks of DVT in patients of hepatic cirrhosis.Individualized anti-coagulation treatment is needed during perioperative period of THA.

Objective To learn the clinical manifestations and pathogenic situation of hand foot and mouth disease (HFMD) in Changchun children's hospital from 2009 to 2010.Methods We collected the faeces specimen and oropharyngeal swabs of 1 862 children patients who consulted in Changchun children's hospital from May 2009 to Nov 2010.The enterovirus 71 ( EV71 ) and Coxsackie virus A16 (CoxA16) of 1 514 faeces specimens were amplified with RT-PCR,and 530 oropharyngeal swabs' virus were isolated with rhabdomyosarcoma cell.Results The total HFMD patients were 1 175 in 2010,687 in 2009.The rate of serious patients was 6.26％ (43/687) in 2009,and 16.51％ ( 194/1 175 ) in 2010.The season of peak incidence in 2009 was June,and in 2010 were June,July and August.The gender distribution was 1 241 males and 621females.The average age of HFMD patients was ( 28.32 ± 15.22 ) months.And the distribution in city and countryside was 1:1.05.Total of 1 862 cases ( 100％ ) had rash,55.69％ ( 1 037/1 862) had fever,6.07％(113/1 862) had neurologic symptom and 1.41％ (26/1 862) had vomiting when the patients admitted in our hospital.And there were 547 cases ( 29.41％ ) emerging myocardium injury,548 cases (29.43％ ) emerging neurologic complications and 82 cases (4.39％ ) emerging respiratory complications during treatment.There were 166 positive with positive rate 31.32％ in virus isolation.The positive rate of EV71 and CoxA16 were 9.62％ and 10.57 in 2009,and 32.52％ and 39.53％ in 2010.Conclusion There were more HFMD patients in 2010 than 2009,and the proportion of serious patients was increased too.In summer and autumn,we should pay more attention to HFMD for fever children.HFMD could damage digestive system,respiratory system,circulatory system and nervous system.The nervous system of serious patients is more likely to be damaged.The pathogens of HFMD are diversity,but mainly are EV71 and CoxA16,and the pathogen of serious patients is mostly EV71.

Objective:To study the change in serum fibroblast growth factor 21(FGF21)level and its correlation with liver functions in elderly patients with hepatitis B virus(HBV)-related cirrhosis.Methods:A total of 150 elderly patients with HBV infection admitted to Beijing Ditan Hospital and China-Japan Friendship Hospital from January 2019 to December 2020 were selected and divided into chronic hepatitis B(CHB)group(n=70)and HBV-related cirrhosis group(n=80). Healthy subjects were selected as the control group(n=50). Serum FGF21 was determined by ELISA method.Clinical data, clinical laboratory indicators and FGF21 as a core parameter of this study were collected and compared among control group, CHB group, HBV-related cirrhosis group.The correlations of FGF21 level with several liver function indexes were analyzed by Pearson correlation analysis.Results:The levels of total bilirubin(TBil)and total biliary acid(TBA)were significantly higher in HBV-related cirrhosis group than in CHB group.The levels of aspartate transaminase(AST), alanine transaminase(ALT), glutamyl transpeptadase(GGT), serum albumin, cholinesterase, FGF21 and HBV-DNA were significantly lower in HBV-related cirrhosis group than in CHB group(all P<0.05). The levels of serum FGF21 were(108.6 ± 7.3)ng/L, (92.5 ± 7.6)ng/L and(75.8 ± 6.3)ng/L in Child-Pugh A, B and C patients, respectively.The level of FGF21 was statistically significantly decreased with the increase of Child-Pugh grading( F=18.290, P=0.000). Serum FGF21 level was positively correlated with AST, ALT, TBil, cholin-esterase and albumin levels( r=0.652, 0.579, 0.609, 0.558, 0.613, all P<0.05). Conclusions:The level of serum FGF21 is significantly decreased in elderly patients with HBV-related cirrhosis, and is positively correlated with liver function indexes.

Objective To explore the effect of improving clinical practice ability of nursing undergraduates via double evaluation.Methods From September 2015 to May 2016, 61 nursing undergraduates enrolled in 2012 to Guangzhou University of Chinese Medicine were selected by convenience sampling method and divided randomly according to their student number into experimental group (30 cases) and control group (31 cases). According to the double evaluation method adopted in the experimental group, clinical teaching scheme was modified dynamically. In the control group, clinical teaching was conducted according to clinical teaching scheme made by the university, with OSCE and evaluation form of clinical practice ability as tools for observer and self evaluation.Results Within the experimental group, both scores of observer evaluation in OSCE and scores of self evaluation in clinical practice behavior showed a trend of going up in phases (P<0.05). In comparison of observer evaluation in OSCE at the 9th month, scores of the experimental group were all higher than those in the control group in all dimensions except writing of nursing documents (P<0.05). In comparison of self evaluation in clinical practice behavior at the 9th month, scores of the experimental group were all higher than those in the control group in all dimensions except communication ability, slightly lower (P<0.05).Conclusions With the double evaluation method adopted, dynamically modified clinical teaching scheme according to phases can obviously improve clinical practice ability of nursing students.

Objective To determine the levels of plasma M-CSF in cervical cancer patients and cervical intraepitheliai neoplasia(CIN)patients,and to discuss the diagnostic utility of M-CSF in the development of cervi-cal cancer. Methods Forty-nine cases of cervical cancer,60 cases of CIN and 40 healthy controls were selected from June 2014 to June 2016. Plasma levels of M-CSF and SCC-Ag were determined by using ELISA and MEIA, respectively. Results Significantly different concentrations of M-CSF and SCC-Ag were observed in patients with cervical cancer compared to the healthy controls and CIN patients(P<0.01,respectively). Significant difference in plasma M-CSF level between the healthy controls and benign lesion patients were also found(P<0.05).However, no significant difference in SCC-Ag was found between the healthy controls and benign lesion patients. SCC-Ag combined M-CSF could obviously increase the detection rate of cervical cancer,without increasing the false posi-tive rate. The level of M-CSF in patients with cervical cancer and high grade of CIN reduced to the normal level, with significant difference before and after surgery(P<0.05).Meanwhile,the level of SCCAg in CIN patients was significantly reduced before and after surgery(P<0.05).Conclusions This study suggests the potential utility of M-CSF as a good candidate for a serum marker of cervical cancer,as well as benign lesions of this organ(CIN), and M-CSF may also be use to predict the outcome of CIN.

Amino Acid Sequence ; Genes, Bacterial ; Hydrogen Peroxide ; pharmacology ; Molecular Sequence Data ; Mutation ; genetics ; Mycobacterium ; drug effects ; genetics ; growth & development ; Peptides ; chemistry ; metabolism ; Stress, Physiological ; drug effects

Autophagy is an evolutionarily conserved cellular process which degrades intracellular contents. The Atg17-Atg31-Atg29 complex plays a key role in autophagy induction by various stimuli. In yeast, autophagy occurs with autophagosome formation at a special site near the vacuole named the pre-autophagosomal structure (PAS). The Atg17-Atg31-Atg29 complex forms a scaffold for PAS organization, and recruits other autophagy-related (Atg) proteins to the PAS. Here, we show that Atg31 is a phosphorylated protein. The phosphorylation sites on Atg31 were identified by mass spectrometry. Analysis of mutants in which the phosphorylated amino acids were replaced by alanine, either individually or in various combinations, identified S174 as the functional phosphorylation site. An S174A mutant showed a similar degree of autophagy impairment as an Atg31 deletion mutant. S174 phosphorylation is required for autophagy induced by various autophagy stimuli such as nitrogen starvation and rapamycin treatment. Mass spectrometry analysis showed that S174 is phosphorylated constitutively, and expression of a phosphorylation-mimic mutant (S174D) in the Atg31 deletion strain restores autophagy. In the S174A mutant, Atg9-positive vesicles accumulate at the PAS. Thus, S174 phosphorylation is required for formation of autophagosomes, possibly by facilitating the recycling of Atg9 from the PAS. Our data demonstrate the role of phosphorylation of Atg31 in autophagy.
Alanine ; chemistry ; metabolism ; Amino Acid Motifs ; Aspartic Acid ; chemistry ; metabolism ; Autophagy ; genetics ; Autophagy-Related Proteins ; Carrier Proteins ; chemistry ; metabolism ; Gene Expression Regulation, Fungal ; Membrane Proteins ; chemistry ; metabolism ; Models, Molecular ; Molecular Sequence Data ; Nitrogen ; deficiency ; Phagosomes ; chemistry ; drug effects ; metabolism ; Phosphorylation ; Protein Transport ; Saccharomyces cerevisiae ; drug effects ; genetics ; metabolism ; Saccharomyces cerevisiae Proteins ; chemistry ; genetics ; metabolism ; Serine ; chemistry ; metabolism ; Signal Transduction ; Sirolimus ; pharmacology