Novel aminopropyl-functionalized periodic mesoporous organosilicas (APMO) were successfully prepared by co-condensation of 1,2-bis (triethoxysilyl) ethane (BTSE) and 3-aminopropyltriethoxysilane (APTES) with the template of cationic surfactants cetyltrimethylammonium chlorine (C_(18)TAC) in basic medium.With the characterization measurements of powder X-ray diffraction (XRD),FT-IR and scanning electron microscopy (SEM) so on,APMO had such advantages as good monodisperse microshperes,uniformly orderd mesopore and large specific surface areas.These mesoporous materials were directly considered to be the chromatographic stationary phases and analyzed by HPLC evaluation.During the research,the as-prepared APMO column had better permeability and three polycyclic aromatic compounds realized separation.In addition,the as-prepared APMO column had certain advantages in fast analysis.

Parathyroid carcinoma is a rare sporadic disease.Clinical manifestations include hypercalcemia,increased urinary calcium and urinary calculus,osteoporosis,and pathologic fracture.While this patient complained of pollakiuria,urgency,and painful urination,thus might lead to misdiagnosis or missing of diagnosis of parathyroid carcinoma.This article is herewith presented to call attention to discovery,diagnosis,and treatment of parathyroid carcinoma.

Objective To study the expression of intermediate-conductance-Ca~(2+)-activated K~+ (IKCa1)channels in endometrial cancer and its role in regulating proliferation of endometrial cancer cells. Methods Western blot and RT-PCR were used to examine the expression of IKCa1 channels in 13 normal endometrial specimens and 25 endometrial cancer specimens;and RNA interference(RNAi),[ ~3H ] thymidine incorporation,and inhibitor of IKCa1 channel were used to explore the role of IKCa1 channels in regulation of proliferation of endometrial cancer cells HEC-1A.Results The expression rate and level of IKCa1 mRNA in endometrial carcinoma(84%,0.89?0.52)were higher than in normal endometria(8%, 0.14?0.12;P

BACKGROUND: Cardiopulmonary resuscitation (CPR) is a kind of emergency treatment for cardiopulmonary arrest, and chest compression is the most important and necessary part of CPR. The American Heart Association published the new Guidelines for Cardiopulmonary Resuscitation and Emergency Cardiovascular Care in 2010 and demanded for better performance of chest compression practice, especially in compression depth and rate. The current study was to explore the relationship of quality indexes of chest compression and to identify the key points in chest compression training and practice.METHODS: Totally 219 healthcare workers accepted chest compression training by using Laerdal ACLS advanced life support resuscitation model. The quality indexes of chest compression, including compression hands placement, compression rate, compression depth, and chest wall recoil as well as self-reported fatigue time were monitored by the Laerdal Computer Skills and Reporting System.RESULTS: The quality of chest compression was related to the gender of the compressor. The indexes in males, including self-reported fatigue time, the accuracy of compression depth and the compression rate, the accuracy of compression rate, were higher than those in females. However, the accuracy of chest recoil was higher in females than in males. The quality indexes of chest compression were correlated with each other. The self-reported fatigue time was related to all the indexes except the compression rate.CONCLUSION: It is necessary to offer CPR training courses regularly. In clinical practice, it might be better to change the practitioner before fatigue, especially for females or weak practitioners. In training projects, more attention should be paid to the control of compression rate, in order to delay the fatigue, guarantee enough compression depth and improve the quality of chest compression.

Objective To investigate a method for the purification of the N?terminal peptide fragment(NT)of the myocardial calcium channel Cav1.2,and characterize its interaction with calmodulin(CaM). Methods EscherichiacoliBL?21 cells were transformed with plasmid pGEX?6p?3/NT harboring the NT?GST fusion gene. The cells harboring pGEX?6p?3/NT were cultured and protein expression was induced with isopropyl?β?D?thiogalactoside(IPTG). Then,the GST?NT fusion protein was purified by using glutathione Sepharose 4B(GS?4B)beads. GST was cleaved off with the PreScission protease,and SDS?PAGE was performed to detect the purity and relative molecular weight of the purified peptide. Further, GST pull?down assay was performed to characterize the interaction of the NT peptide with CaM. Results SDS?PAGE analysis showed that the NT peptide was successfully purified,with high purity. Results of the GST pull?down assay showed that the NT peptide could interact with CaM. Conclusion This study establishes a method for the purification of the NT peptide and lays the foundation for further research on the interaction partners and biological functions of NT.

BackgroundSweep pattern visual evoked potential(SPVEP) acuity,as an objective detective technique of visual function,can be used to measure visual acuity in children and uncooperative adults.Recent studies have shown that the amplitude-logarithm of the visual angle (A-LogVA) function regression method was more accurate than the amplitude-spatial frequency (A-SP)function regression method in evaluating SPVEP acuity.Objective This study was to explore the clinical use of SPVEP acuity in visual developing children and compare the evaluating the SPVEP acuity of children between A-SP function regression method and A-LogVA function regression method.Methods Twenty-six eyes of 26 asthenopic children with age range of 3-12 years and 31 age-matched normal children were enrolled in this study.SPVEP acuity was recorded with GT-2000 NV ( GUOTE MEDICAL APPARATUS LTD,China) using sinusoidally modulated horizontal gratings of 10 different spatial frequencies from 0.99 to 12.89 cpd as stimulus.The responses were averaged and displayed through discrete Fourier transformations (DFT) on the monitor display.SPVEP acuity was estimated by using both the SPVEP A-SP function regression method and the SPVEP A-LogVA function regression method.The LogMAR chart was used to acquire LogMAR visual acuity.ResultsIn the normal group,the correlation coefficient between LogMAR visual acuity and acuity calculated by the A-SP function regression method was 0.600 (P＜0.01).The correlation coefficient between LogMAR visual acuity and acuity calculated by the A-LogVA function regression method was 0.733 ( P＜0.01 ).The ANOVA of the LogMAR acuity and the SPVEP acuity calculated from the A-SP function regression method and A-LogVA function regression method were 113.173 (P＜0.01 ),which indicated that there were significant difference among all of subjects.The differences of the mean values of LogMAR visual acuity and the SPVEP acuity calculated from the A-SP function regression method and A-LogVA function regression method were respectively 0.40±0.02,0.26 ±0.02 and 0.14 ± 0.02.In the amblyopia group,the correlation coefficient between LogMAR visual acuity and acuity calculated by the A-SP function regression method was 0.134 (P =0.515 ).The correlation coefficient between LogMAR visual acuity and acuity calculated by the A-LogVA function regression method was 0.456 ( P＜0.05 ).The ANOVA of the LogMAR acuity and the SPVEP acuity calculated from the A-SP function regression method and A-LogVA function regression method were 3.433 (P＜0.05),indicating that there were significant difference among all of subjects.The differences of the mean values of LogMAR visual acuity and the SPVEP acuity calculated from the A-SP function regression method and A-LogVA function regression method were 0.07±0.05,0.12±0.05 and 0.05 ±0.01 respectively.Conclusions SPVEP can evaluate the visual acuity in children,although SPVEP acuity may overestimate or underestimate acuity in comparison with different LogMAR visual acuities.The amplitude-LogVA function regression method is more accurate in extrapolating SPVEP acuity.

Objective To determine the expression of HPV16/18,31/33 DNA and p53,p21~(WAF1) and MDM2 proteins in invasive squamous cell carcinoma of cervix (ISCC)and to indicate the significance of them in the occurrence and development of ISCC.Methods Using tissue microarray,in situ hybridization (ISH) and immunohistochemical method,we detected the expression of HPV16/18,31/33 and investigate the expres- sion of p53,p21~(WAF1),MDM2 and proteins in ISCC,CIN and NCE.Results was analysed by SPSS vision 12.5. Results The positive expression rate of HPV16/18,p53,p21~(WAF1),MDM2 in ISCC was markedly higher than in CIN and NCE.We found the difference between HPV31/33 and lymph node transfer.Significant relation- ship was observed between p53 protein expression and histological grade and lymph node metastasis of the cancer.There was positive correlation between the expression of p21~(WAF1) protein and the depth of invasion(P

Cytokine release syndrome (CRS),a common adverse drug reaction in chimeric antigen receptor T cell therapy (CAR-T),is a newly immune anti-cancer regime,which modifies T cells extracted from patients into CAR-T cells through genetic engineering and then gives CAR-T back to patients for cancer control.CRS is widely concerned due to its high incidence and life-threatening risk.Studies have shown that elevated levels of interleukin 6 (IL-6) and other cytokines in vivo are the major causes of CRS,but very few IL-6 targeted drugs are currently available to control CRS.Therefore,in order to get a better control of CRS in CAR-T clinical treatment,this review will summarize some agents with IL-6 as the target and their applications reported in CRS management.

Objective To explore the effect of septoplasty or in combination with outfracture of the inferior turbinate in patients with nasal septum deviation on the airflow field and the nasal airway structure.Methods Six patients with nasal septum deviation underwent spiral CT imaging scans before surgery and during the follow-up.The 3D finite element meshes of the nasal airway were developed from the above CT scans.Given three preconditions,the nasal airflow fields were described by the Navier-Stokes and continuity equations at the inspiratory flow rate of 12 L/ min. The whole airflow patterns were obtained and then compared with the airflow filed and airway structure changes before and after surgery.SPSS 12.0 software was used to analyze the data.Results Before surgery,area of the common airway and the middle and ventral medial regions in the concave side were (1.61 ± 0.18),(0.40 ± 0.10),(0.40 ± 0.14) cm2 respectively,and those of convex side were (1.30 ±0.18),(0.33 ±0.05),(0.36 ±0.10) cm2 respectively.The differences between both sides were of no statistical significance (Z value was 1.782,1.363,0.526 respectively,all P ＞ 0.05).Airflow of the above airways were (361 ± 68),(131 ± 25),(100 ±28) ml respectively in concave side and (178 ± 33),(59 ± 26),(59 ± 18) ml respectively in convex side, which differences were significant statistically (Z value were 2.207,2.201,2.201respectively,all P ＜ 0.05＝.The inferior turbinate in concave side [(0.93 ± 0.10) cm] was statistically (Z=2.214,P＜0.05＝ bigger than that in convex side[(0.58 ±0.12)cm] before surgery.The airflow fields were in disorder in both ill-airways.After surgery,area of the common airway was (2.55 ±0.44) cm2in concave side and (2.20 ± 0.72)cm2 in convex side respectively,and area of the middle and ventral medial regions in the convex side were (0.58 ± 0.13),(0.81 ± 0.26)em2 respectively,which differences were of significance statistically when comparing to areas before surgery (Z value were 2.201,2.201,2.201,2.201,P ＜0.05＝.The airflow passed through nasal airway orderly in both sides.But the thickness of inferior turbinate was (0.73 ±0.08)cm in concave side after surgery,which difference was significant statistically in comparison to that before surgery (Z = 2.264,P ＜ 0.05＝.Consequently,nasal resistance decreased from (0.41 ± 0.03) k Pa · L- 1 · s - 1 to (0.16 ± 0.01) kPa · L -1 · s - 1 after surgery,the difience was significantly(Z = -2.207,P = 0.027).Conclusion Septoplasty or in combination with outfracture of the inferior turbinate,followed by the self-adaptation consecutively,could improve the airway and breathing capacity of the nose.

OBJECTIVETo explore cytological parameters that may identify the primary sites of metastatic adenocarcinomas in serous fluid.

METHODSSerous fluid specimens from 89 cases of metastatic adenocarcinomas (40 metastatic adenocarcinomas of lung, 6 metastatic adenocarcinomas of breast, 21 metastatic ovary adenocarcinomas, 22 metastatic gastrointestinal and pancreatic adenocarcinomas) were studied by using multiple morphologic parameters. Immunocytochemical S-P method was used to detect the expression of CA125, CA199, SPB and TTF-1 in 75 cases.

RESULTSMetastatic adenocarcinomas of different primary sites displayed certain different morphologic features, including the total amount of tumor cells, size of clusters, ratio of clusters over single cells, configuration of tumor clusters and the background of the smear. Cell clusters of small to medium sizes represented 95% and 100% in the metastatic adenocarcinomas of lung and breast, respectively. Most of the ovarian metastatic adenocarcinomas (85.7%) presented some large cell clusters and larger amount of cells, whereas certain metastatic gastrointestinal and pancreatic adenocarcinomas (45.5%) presented smaller number of cells and predominantly to be single cell in distribution (40.9%). Psammoma bodies were found in metastatic adenocarcinomas of lung and ovary. SPB and TTF-1 expression supported the diagnosis of adenocarcinoma of pulmonary origin. CA125 expression supported an ovarian origin. Although CA199 was seen in all groups of metastatic adenocarcinomas, nevertheless, its appearance in tumor cells in ascitic fluid specimens supported gastrointestinal and pancreatic origins.

CONCLUSIONMorpho-logic features of the cytological smear, immunohistochemical staining and clinical history are equally important in determining the primary sites of metastatic adenocarcinomas in serous fluid.

Adenocarcinoma ; metabolism ; secondary ; Ascitic Fluid ; metabolism ; pathology ; Breast Neoplasms ; metabolism ; pathology ; Colonic Neoplasms ; metabolism ; pathology ; Female ; Humans ; Lung Neoplasms ; metabolism ; pathology ; Male ; Nuclear Proteins ; metabolism ; Ovarian Neoplasms ; metabolism ; pathology ; Pancreatic Neoplasms ; metabolism ; pathology ; Pleural Effusion, Malignant ; metabolism ; pathology ; Proteins ; metabolism ; Stomach Neoplasms ; metabolism ; pathology ; Thyroid Nuclear Factor 1 ; Transcription Factors ; metabolism