Objective To analyze the semen quality in the outpatients from 3 male infertile clinics of Foshan city.Methods The semen from 1 865 outpatients with male infertility was detected and analyzed routinely by the CASA technology in strict accordance with the WHO operation technical specifications.The outpatients were divided into the normal group,mild,moderate and severe as-thenospermia groups according to the sperm vitality.Results There were 524 (28.1%)cases of abnormal sperm concentration,826 (44.3%)cases of abnormal sperm viability,985 (52.8%)cases of abnormal sperm motility,713 cases (38.2%)of teratosperm and 652 (35.0%)cases of leukocytospermia in all outpatients;the motion parameters were decreased along with the decrease of activity in each group,in which,the 6 indicators of VSL,VAP,VCL,LIN,STR and WOB were significantly lower than those in the normal activity group with statistical differences(P <0.05),furthermore,the sperm vitality had staitstcally significant differences among the mild,moderate and severe asthenospermia groups (P <0.05).Conclusion In the routine parameter indicators,the sort order of the percentage of abnormal results in turn were sperm motility、sperm viability、sperm deformity rate、semen WBC、sperm concentra-tion、semen liquefaction time、semen pH.With reduced sperm motility,the sperm motion parameters of VSL,VCL,VAP,LIN,STR and WOB were decreased,the results of each group were significantly lowered (P <0.05).

Objective To apply fluorescence-activated cell sorting (FACS) and magnetic activated cell sorting (MACS) in sorting natural killer (NK) cells from human peripheral blood. The efficiency of these two methods were compared so that the basic conditions for the further study on the lower proportion of peripheral blood cells could be created. Methods Twenty cases of normal peripheral blood and 3 cases of post-hematopoietic stem cell transplantation (post-HSCT) were collected and NK cell were sorted by FACS and MACS. Results Before sorting the normal peripheral blood, the proportion of the NK cell in the leukocyte was (12.86±3.62) %, the purity of NK cell was up to (96.15±2.03) % and the recovery was (95.08±2.16) %after sorting by FACS, the purity was up to (93.35±3.61) % and the recovery was (94.11±3.01) % by MACS.And before sorting the post-HSCT peripheral blood, the proportion of the NK cell in the leukocyte was (11.01±2.08) %, the purity of NK cell was up to (96.22±2.16) % and the recovery was (95.27±1.18) % after sorting by FACS. The purity was up to (90.98±1.94) % and the recovery was (94.54±3.52) % by MACS. Thereis difference in purity of NK cell (t = 5.925, P ＜0.05), while no difference in rate of recovery between 2methods (t = 0.789, P ＞0.05). Conclusion FACS is more efficient, rapidly and easily than MACS in sorting NK cell, especially for post-HSCT cases.

Objective To assess the prevalence of Personality Diagnostic Questionnaire (PDQ)personality deviations in patients referred for functional dyspepsia (FD) with reliable and universal psychological measures, and to explore the relationship between co-occurring PDQ-personality deviations and functional dyspepsia. Methods The sample comprised 246 patients referred for functional dyspepsia. Four groups were divided according to their patterns of gastrointestinal symptoms: the FD group, FD with refluxlike symptom group(FD + RS group), FD with irritable bowel syndrome group( FD + IBS group), and FD with reflux-like symptom and irritable bowel syndrome group ( FD + RS + IBS group). Participants were assessed with the Personality Diagnostic Questionnaire for DSM-Ⅳ ( PDQ-4 ) to evaluate the presence of personality deviations. Results Overall 65% patients scored positive for any personality deviation, male and female alike. Cluster C (anxious/fearful) personality was most commonly found in FD patients (142 patients, 57.7% ). The FD + IBS group and the FD + RS +IBS group had significantly higher total PDQ scores than the FD group (23.39 ± 8. 77 and 24. 22 ± 10. 97 vs 18.98 ± 11.88, P ＜ 0. 05, respectively),indicating that FD patients with greater level of personality deviations tend to report other symptoms involving the esophagus and lower gastrointestinal tract. Reflux-like symptom without actual pathological acid regurgitation indicated cluster A (odd/eccentric) personality deviations. Conclusions The current study shows personality deviations are common in patients referred for functional dyspepsia. Negative emotions,maladaptive coping, and lack of social support, may strongly influence their healthcare-seeking behavior.There is no single personality type specific for some kind of gastrointestinal symptom. But FD patients with personality deviations tend to report other symptoms involving the esophagus and lower gastrointestinal tract.

Objective To establish a scientific and objective indicator system for nursing quality evaluation according to nursing works of neonatal surgical department. Methods To establish the indicator system based on the three- dimension quality structure. Literature retrieval, expert interview and Delphi expert enquiry were used to filter and improve indicators. Analytic hierarchy process was used to determine the index weight and check the consistency. Results The quality indicator system included three levels. There were 3 indicators in level one, 14 indicators in level two and 70 indicators in level three. Experts coefficient was 0.867, mean of importance values of two rounds were 3.83-5.00 and 4.08-5.00 , Kendall coordination coefficients were 0.292(P<0.01) and 0.301(P<0.01). Conclusions The nursing quality evaluation indicator system has high reliability and it can be used for guiding continuous improvement of nursing in neonatal surgical department.

BACKGROUND:Porous poly(3-hydroxybutyrate-co-4-hydroxybutyrate)/calcium metaphosphate composite membranes prepared previously is too thick and uneven in holes.
OBJECTIVE:To prepare the thin even porous poly(3-hydroxybutyrate-co-4-hydroxybutyrate)/calcium metaphosphate composite membrane, and to evaluate the cytocompatibility and differentiation capacity.
METHODS:Porous and nonporous, thin and even poly(3-hydroxybutyrate-co-4-hydroxybutyrate)/calcium metaphosphate composite membranes were prepared by phase separation method. Its thickness and weight loss rate were determined. Human bone marrow mesenchymal stem cel s were cocultured with porous and nonporous poly(3-hydroxybutyrate-co-4-hydroxybutyrate)/calcium metaphosphate composite membranes for 7 days. Ultrastructure of composite membranes was observed under the scanning electron microscopy. Surface markers of the bone marrow mesenchymal stem cel s on the composite membranes were analyzed using flow cytometry.
RESULTS AND CONCLUSION:The thickness of the porous and nonporous composite membranes was (0.041 ± 0.005) mm and (0.058±0.004) mm. Weight loss rates of porous and nonporous composite membranes were respectively 19.93%and 7.64%at 24 hours. Calcium metaphosphate particles were evenly distributed in porous and nonporous composite membrane. Cel s spread entirely, showing spindle shape. Calcium metaphosphate particles were evenly distributed in porous composite membrane. Pore in porous composite membranes was also uniformly distributed, and pore size was about 2-8μm. Cel s spread entirely, showing polygonal shape with multiple tentacles. The tentacles of some cel s entered into the scaffold. CD105, CD90, CD44, CD29 and CD73 expression was detected in porous and nonporous composite membranes. There was no significant difference in cel-positive rate. Poly(3-hydroxybutyrate-co-4-hydroxybutyrate)/calcium metaphosphate composite membranes prepared in this study has good biocompatibility and could not promote cel differentiation.

BACKGROUND:Calcium metaphosphate has excel ent biocompatibility, degradability, and cel affinity. Human bone marrow mesenchymal stem cel s can grow and proliferate in the pores of the porous calcium metaphosphate, but less is known about calcium metaphosphate nanoparticles.
OBJECTIVE:To prepare calcium metaphosphate nanoparticles, and to analyze the effect of calcium metaphosphate nanoparticles at different concentrations on apoptosis of human bone marrow mesenchymal stem cel s by flow cytometry.
METHODS:The calcium metaphosphate nanoparticles were prepared by wet bal mil ing. Scanning electron microscopy and transmission electron microscopy were used to observe the morphology of the calcium metaphosphate nanoparticles, and the crystal structure of nanoparticles was analyzed by X-ray diffraction. Calcium metaphosphate nanoparticles were mixed in the CYAGON Oricel TM basal medium, and the concentrations of calcium metaphosphate nanoparticles in the medium were 10, 1, 0.1 mg/L. Human bone marrow mesenchymal stem cel s were cultured for 7 days in the above-mentioned media, and apoptosis of human bone marrow mesenchymal stem cel s was analyzed by flow cytometry.
RESULTS AND CONCLUSION:Calcium metaphosphate nanoparticles were successful y prepared by wet bal mil ing, irregular in shape, and the mean diameter was 10-30 nm. X-ray diffraction results showed the crystal structure of nonaparticles was mainlyβ-Ca(PO3)2. The cel ratio of G0/G1 phase and G2/M phase in 10 mg/L group was obviously higher than that in 1, 0.1 mg/L groups (P<0.01). The cel apoptosis rates during the early, middle, late stages in 10 mg/L group were obviously higher than those in 1, 0.1 mg/L groups (P<0.01), and the total cel apoptosis was also significantly increased in 10 mg/L group (P<0.01). These findings indicate that human bone marrow mesenchymal stem cel s proliferation can be inhibited by calcium metaphosphate nanoparticles, and apoptosis rate is increased significantly when the concentration of calcium metaphosphate nanoparticles increases from 1 mg/L to 10 mg/L.

Objective To explore the efficacy and safety of HAA regimen (homoharringtonine,cytarabine and aclarubicin) in the treatment of 150 newly diagnosed adult acute myeloid leukemia (AML).Methods All patients entered the study from May 1999 to June 2008 were treated with HAA regimen. Coxsurvival analysis was used to estimate the survival rate and differences between M1/M2 and M4/M5 were compared with 2-sided log-rank test. Results Out of the 150 patients, 121 (81%) achieved complete remission (CR). After the first course, CR rate was 68%. The CR rates of 97%, 84% and 38% were achieved in patients with favorable, intermediate and unfavorable cytogenetics, respectively. For the patients with CR, the median follow-up time was 16.5 ( 1.5-100.5 ) months, and the estimated 3-year survival rate was 45%. The estimated 3-year relapse free survival rate was 52% for the 121 patients with CR.Conclusions HAA regimen may be an efficacious and safe regimen with a good toleration in the induction therapy for newly diagnosed AML, and a high CR rate could be achieved with only one or two courses.

OBJECTIVETo investigate the association of desmoplakin with the distribution and function of Nav1.5 by RNA silencing technology in HL-1 cells.

METHODSHL-1 cells with desmoplakin expression suppression by RNA silencing were examined for desmoplakin and Nav1.5 protein expressions by Western blotting, and the distribution and co-location of desmoplakin and Nav1.5 protein were detected by immunofluorescence staining. Patch-clamp recording was applied to analyze the changes in whole-cell sodium current after desmoplakin silencing.

RESULTSCompared with the untreated group and negative control group, the cells with desmoplakin silencing showed obviously reduced expressions of desmoplakin and Nav1.5 proteins. Co-localization of desmoplakin and Nav1.5 was detected at cell-cell contact in untreated and control conditions, and desmoplakin expression silencing induced a drastic redistribution of Nav1.5 with decreased peak current density (156.3∓6.2 vs 41.8∓3.1, n=6, P<0.05), a shift in voltage dependence of steady-state inactivation (-42 mV vs -61 mV, n=5, P<0.05), and prolonged time of recovery from inactivation.

CONCLUSIONDesmoplakin silencing caused redistribution of Nav1.5 protein and also changes in its electrophysiological properties in HL-1 cells.

Animals ; Cell Line ; Desmoplakins ; genetics ; metabolism ; Gene Silencing ; Mice ; Mutation ; Myocytes, Cardiac ; metabolism ; NAV1.5 Voltage-Gated Sodium Channel ; metabolism

Objective: To analyze the prognostic significance of TP53, Bcl-2, Bcl-6, Myc proteins expression by immunohistochemical method (IHC) in diffuse large B cell Lymphoma (DLBCL) . Methods: Clinical and pathologic data of 223 patients with DLBCL hospitalized in Zhejiang First Hospital from March 2009 to June 2015 were retrospectively analyzed. Results: The 223 cases, a median age of 56 years old with a male predominance, had shown a 39.0% of TP53 positive expression, 38.6% of Myc, 69.1% of Bcl-2, 56.5% of Bcl-6, and 22.7% of Myc/Bcl-2 double expression. According to Hans’ classification, 27.4% were GCB and 72.6% were non-GCB. With a median follow-up of 38 (2-97) months, the 3 and 5 years survival rates were 70% and 66% , respectively. By multivariate analysis, TP53 over-expression and Myc/Bcl-2 double expression were independently associated with poor outcomes. 3-year and 5-year overall survival were 59% and 57% for patients with TP53 positive, 77% and 71% for patients with TP53 negative expression. Patients with non-GCB subtype receiving chemotherapy combined with rituximab had a higher OS than those without rituximab. But rituximab did not improve the prognosis of patients with TP53 positive. Conclusion Myc/Bcl-2 double expression and TP53 over-expression are poor prognosis for DLBCL patients. Patients with Myc/Bcl-2 double expression have shorter OS. Patients with non-GCB subtype who received chemotherapy combined with rituximab have a better OS than those without rituximab. But rituximab does not improve the prognosis of patients with TP53 positive.

OBJECTIVETo evaluate the efficacy and safety of the HAA regimen (homoharringtonine,cytarabine and aclarubicin)as salvage chemotherapy in the treatment of refractory/relapsed acute myeloid leukemia (AML).

METHODSWe retrospectively analyzed 64 patients with refractory/relapsed AML who received the HAA regimen as salvage chemotherapy. The complete remission (CR)rate was analyzed. Kaplan-Meier method was used to estimate overall survival (OS) and relapse free survival (RFS), and the differences were compared by Log-rank test.

RESULTSThe overall CR rate was 70.1%, and 67.1% of the patients attained CR after the first induction course. The early death rate was 0. The median follow-up time was 61 (range:6-120) months. The estimated 3-year OS rate was 46.8% and the estimated 3-year RFS rate was 42.8%. The CR rates of patients with favorable/intermediate and unfavorable cytogenetics were 76.4% and 33.3%, respectively. The 3-year OS of favorable/intermediate and unfavorable group were 53.7% and 10.0%, respectively. The median survival time of unfavorable group was only 8 months. The side effects associated with the HAA regimen were tolerable, in which the most common toxicities were myelosuppression and infection.

CONCLUSIONHAA regimen is associated with a higher rate of CR and longer-term survival and its toxicity can be tolerated. The regimen is suitable for refractory/relapsed AML patients with favorable or intermediate risk .

Aclarubicin ; analogs & derivatives ; therapeutic use ; Antineoplastic Combined Chemotherapy Protocols ; Cytarabine ; therapeutic use ; Harringtonines ; therapeutic use ; Humans ; Leukemia, Myeloid, Acute ; drug therapy ; Recurrence ; Remission Induction ; Retrospective Studies ; Salvage Therapy ; Survival Rate