Adult ; Female ; Genotype ; Humans ; Male ; Middle Aged ; Phenotype ; Thrombophilia ; genetics ; Thrombosis ; Young Adult

Objective to investigate the outcome and EP treatment outcome of small‐cell lung cancer (SCLC) patients with different hyponatraemia .Methods This retrospective study analyzed the relationship between the serum sodium ,serum osmolality , urine sodium ,urine osmolality and survival time of 51 patients .Moreover ,we analyzed the survival time and chemotherapy outcome of SCLC patients in hypovolaemic and euvolaemic hyponatraemia .Results The data indicated that the serum sodium and osmolality correlated with the survival time positively ,and the pearson correlation coefficient are 0 .48 [95% CI:(0 .23 to 0 .67)]and 0 .61 [95% CI:(0 .40 to 0 .76)] ,respectively .urine sodium and osmolality correlated with survival time negatively ,and the pearson corre‐lation coefficient are -0 .6 [95% CI:(-0 .75 to -0 .38)] and‐0 .31 [95% CI:(-0 .54 to -0 .04)] ,respectively .Etoposide plus cisplatin treatment showed less effectiveness to the SCLC patients in euvolaemic hyponatraemia (29 .17% VS .66 .7% ,P<0 .05) , and the survival time of SCLC patients in euvolaemic hyponatraemia is shorter (33 .3% VS .92 .6% ,P<0 .05) .Conclusion Euvol‐aemic hyponatraemia could be a risk factor for poor outcome in SCLC .

Objective To study feasibility in extraction of calcific sign within pulmonary nodules with pattern classification.Meth-ods 49 cases with pulmonary nodules (benign in 16 and malignant in 33)confirmed by pathology or clinical follow-up were included in this study and all cases underwent chest CT examinations.CT images were interpreted double-blind by two associate chief radiolo-gists to draw a conclusion that there were any calcification within pulmonary nodules.Meanwhile,the calcifications in the regions of interest(ROI)on CT images were estimated with extraction of the sign of gray value,geometric and lung markings in ROI,and based on pattern classification algorithm at supporting vector machine(SVM).Results According to the results assessed by senior radiologists for classification within pulmonary nodules,the area under ROC curve was 0.95 which was extracted by automatic pat-tern classification algorithm,the extraction performance was stable(k=1),and was goodness fit with visual observation by doctors (k=0.939).Conclusion The ability of automatic pattern classification in detecting calcification within pulmonary nodules is about the same as that of visual assessment by senior doctors.

Objective:To establish a multidrug resistant human salivary gland adenoid cystic carcinoma cell line.Methods:Human salivary gland adenoid cystic carcinoma cell line ACC-2 was treated by 24-hour-exposure to high dose of Bleomycin(BLM)(20 ?g/ml).Drug sensitivity was evaluated by MTT assay.Cell counting was employed to make the growth curve and to calculate the cell doubling time.Flow cytometry(FCM) was used to study the cell cycle distribution and apoptosis.The colony formation ability was also observed.Results:Multidrug resistant cell line of human salivary gland adenoid cystic carcinoma was established and named ACC-2/BLM.After 10 times repeated exposure to BLM,the resistance index(RI) to BLM,5-Fluorouracil(5-FU),Cisplatin(CDDP),Cyclophosphamide(CTX),Vincristine(VCR) were 7.299,1.03,2.15,1.114 and 5.96 respectively.Compared with ACC-2,the proliferation potential of ACC-2/BLM cells was decreased.The ACC-2 apoptosis cells were much more than ACC-2/BLM cells after 9-day-treatment by BLM at 60 ?g/ml.Conclusion:ACC-2/BLM cell line has multidrug resistant characteristics.

Objective To study the possible role of bone morphogenetic protein 7(BMP 7) in the TGF ?1 induced tubular epithelial myofibroblast transdifferentiation (TEMT) of cultured renal tubular epithelial cells. Methods The normal rat kidney tubular epithelial cell line (HK 2) was cultured for three days on plastic plates in the presence or absence of recombinant TGF ?1 and BMP 7. The alterations in the phenotype were assessed by phase contrast microscopy. Transdifferentiation of tubular cells into myofibroblasts was assessed by immunofluorescence, with monoantibodies to alpha smooth muscle actin (? SMA), vimentin and cytokeratin respectively. The expression of ? SMA of HK 2 cells was measured by flowcytometry. The expression of ? SMA mRNA of HK 2 cells was assessed with reverse transcriptase polymerase chain reaction (RT PCR). Results Treatment of HK 2 cells with BMP 7(50 and 100 ng/ml) for 24～48 hours increased cellular proliferation. The culture of HK 2 cells in the presence of TGF ?1 induced a clear fibroblast like morphology, a loss of the epithelial marker cytokeratin and de novo expression of ? SMA and vimentin. Immunofluorescence staining showed the addition of various concentrations of BMP 7 to subconfluent cells for 24 and 48 hours, and the expression of ? SMA and vimentin was decreased. There was an increase in the percentage of cells expressing ? SMA with TGF ?1, which was completed inhibited by an addition of BMP 7(P

OBJECTIVETo study the surgical management of enophthalmos after severe malar maxillary complex fracture.

METHODSThe X-ray and CT examination were performed before operation to diagnose the orbital fracture and intraorbital tissue displacement. The fractured orbital rim was repositioned intraoperatively, followed by implantation of shaped titanium mesh to rebuild the orbital floor. The Medpor was inserted above the titanium mesh to correct the enophthalmos.

RESULTSFrom Sept. 2007 to Jan. 2009, 6 cases of enophthalmos after severe malar-maxillary complex fracture were treated. The enophthalmos was corrected or improved obviously in all the patients.

CONCLUSIONSThe enophthalmos after severe malar-maxillary complex fracture can be corrected or obviously improved. Shaped titanium mesh can be used to rebuild the orbital floor with the Medpor to reconstruct the intraorbital tissue volume.

Adolescent ; Adult ; Enophthalmos ; etiology ; surgery ; Female ; Follow-Up Studies ; Humans ; Male ; Maxillary Fractures ; complications ; Middle Aged ; Orbit ; surgery ; Polyethylenes ; Surgical Mesh ; Titanium ; Treatment Outcome ; Young Adult ; Zygomatic Fractures ; complications

A glucose biosensor was fabricated from a glucose oxidasE-immobilized by chitosan and oxygen electrode. The effects of concentration of chitosan(0.3%), enzyme loading(0.8 mg), pH 7.0, phosphate buffer concentration(300 mmol/L), and temperature 25 ℃ for the response of the biosensor were investigated. The glucose biosensor has a linear response range of 0.016-1.10 mmol/L with a detection limit of 8.0 μmol/L(S/N=3). The response time was less than 60 s. The biosensor showed extremely good stability with a shelf-life of at least 3 months. The biosensor exhibited good repeatable response to a 0.25 mmol/L glucose olution with a relative standard deviation of 2.5%(n=10). The precision of fabrication of the biosensors using four different membranes was good with a RSD of 4.7%. Some common potential components in sample such as niacinamide, vitamin B6, vitamin B12, vitamin E, Ca2+, Mg2+, K+ and Zn2+ showed no interferences on the response of the glucose biosensor. The biosensor was successfully applied to determine the glucose in commercial beverage samples.

AIM:To observe the structural basis of ocular motility abnormalities in patients with congenital fibrosis of the extraocular muscles type Ⅰ ( CFEOM Ⅰ) due to missense mutations in the developmental kinesin KIF21A using high - resolution magnetic resonance imaging ( MRI) .
METHODS: Totally 11 affected individuals reported KIF21A mutations were correlated with MRI studies demonstrating extraocular muscles ( EOMs ) size, location, contractility, and innervation. EOMs and the motor nerve in the orbits were imaged with T1 weighted in a triplanar scan using a dual-phased coils with 2. 0mm thick. Motor nerves were imaged at the brainstem using head coils and 3D-FIESTA with 0. 6-mm thick.
RESULTS: Patients with CFEOM Ⅰ exhibited different degrees of hypoplasia of oculomotor nerve, the abducens nerve and the trochlear nerve were also affected, of which 8 cases of orbital section could see the signal of abnormal nerve dominated by oculomotor nerve to lateral rectus. The both sides of six EOMS in all patients exhibited variable atrophy and abnormal bright internal signal on T1 imaging, particularly severe for the superior rectus and levator muscles.
CONCLUSION: High - resolution MRI can directly demonstrate pathology of motor nerves,affected EOMs, and ‘Pulley' hypoplasia caused by CFEOM Ⅰ due to mutations in KIF21A,and these findings suggest that the neuronal hypoplasia is the etiological factor of CFEOM.

Objective To investigate the effect of lamivudine (LAM) on serum interferon (IFN)-γ and interleukin (IL)-4 levels in patients with chronic hepatitis B(CHB). Methods Serum IFN-γ and IL-4 levels were measured with enzyme-linked immunosorbent assay (ELISA) in 66 CHB patients at baseline and 3, 6, 9 and 12 months after LAM treatment respectively. And 20 healthy volunteers served as healthy control. The comparision of pretreatment and post-treatment was done using t test and numberation data were analyzed by non parametric rank sum test. Results In HBeAg positive patients, the serum level of IFN-γ was (21.03±4.44) ng/L in complete response group, which was higher than partial response group [(13.85±3.92) ng/L] and non-response group [(10.63± 3.11) ng/L] (t=7.56,t=11.87, both P<0.01). Take that IFN-γ is 15.66 ng/L as boundry patients with high baseline IFN-γ level showed much higher complete response rate (31.0% vs 8.7%, x2 =8.391, P<0.01) and lower non-response rate (13.8% vs 52.2%,x2=4. 256, P<0.01) than those with low baseline IFN-γ levels. After LAM treatment, the IFN-γ/IL-4 ratios in complete response patients were approximate or even higher than those in healthy group, whereas the IFN-γ/ IL-4 ratios of patients with partial response and non response were lower than those in healthy group. In HBeAg negative patients, the IFN-γ/IL-4 ratios increased slowly but didn't reach the same levels of healthy group. Conclusions It is suggested that LAM treatment can increase IFN-γ release and reduce IL-4 release in CHB patients. The response type to LAM therapy is associated with the recovery of T helper cell (Th) 1/Th2 balance post-treatment and pretreatment IFN-γ levels.

The rabies virus (RABV) is an enveloped RNA virus. It mainly damages the central nervous system and causes anencephaly in mammals and humans. There is now compelling evidence that enveloped virions released from infected cells can carry many host proteins, some of which may play an important part in viral replication. Several host proteins have been reported to be incorporated into RABV particles. However, a systematic study to reveal the proteomics of RABV particles has not been conducted. In the present study, after virus culture and purification by sucrose density gradient ultracentrifugation, a proteomics approach was used to analyze the protein composition of purified RABV particles to understand the molecular mechanisms of virus-cell interactions. Fifty host proteins, along with five virus-encoded structural proteins, were identified in purified RABV particles. These proteins could be classified into ten categories according to function: intracellular trafficking (14%), molecular chaperone (12%), cytoskeletal (24%), signal transduction (8%), transcription regulation (12%), calcium ion-binding (6%), enzyme binding (6%), metabolic process (2%), ubiquitin (2%) and other (14%). Of these, four proteins (beta-actin, p-tubulin, Cofilin, Hsc70) were validated by western blotting to be present in purified RABV particles. This novel study of the composition of host proteins in RABV particles may aid investigation of the mechanism of RABV replication.
Animals ; Humans ; Molecular Sequence Data ; Proteomics ; Rabies ; genetics ; metabolism ; virology ; Rabies virus ; chemistry ; genetics ; metabolism ; Viral Proteins ; analysis ; chemistry ; genetics ; metabolism ; Virion ; chemistry ; genetics ; metabolism