Objective To investigate the role of genistein (Gen) in the expression of connective tissue growth factor (CTGF) induced by parathyroid hormone (PTH) in human renal tubular epithelia cells. Methods Real-time PCR, Western blotting and reporter gene assay were employed to detect the role of Gen in PTH-induced CTGF expression in HK-2 cells. The activity of NF-κB was measured by EMSA to investigate the mechanism by which PTH induced CTGF expression in HK-2 cells. Inhibitors of NF-κB signaling pathway were used to ascertain which signal pathway was involved. Results HK-2 cells had basic amount of CTGF mRNA and protein, which, however, increased significantly after treatment with PTH, and the luciferase activity increased to a higher level as compared with control group after treatment with 10-10 mol/L PTH for 12 h (1.89±0.08 vs 0.99±0.03, P＜0.01). Gen decreased the expressions of CTGF mRNA and protein induced by PTH in dose-dependent manner. The NF-κB of nucleus was inactivation without PTH, while the activity of NF-κB significantly increased after exposed to PTH, with the maximal response of PTH at a concentration of 10-10 mol/L and the best stimulating time at 30 minute. The NF-κB inhibitor PDTC reduced the increase of CTGF transcript levels in response to PTH stimulation. Gen blunted PTH-mediated NF-κB activation. Conclusion Gen inhibits CTGF expression induced by PTH through bloking NF-κB signaling pathway in human renal tubular epithelial cells.

Objective To investigate the effect of polyphenol of salvia miltiorrhiza polyphenols combined with collagen sponge in the treatment of diabetic foot.Methods A total of 115 patients with type 2 diabetic foot were randomly divided into treatment group (55 cases) and control group (60 cases).Salvia miltiorrhiza polyphenols and collagen sponge treatment group were treated with conventional treatment plus type 2 diabetes treatment of salvia miltiorrhiza polyphenol combined with collagen sponge;4 weeks as a treatment course, observation of 8 weeks, ulcer and other adverse reactions were recorded and compared.Results After 4 weeks of treatment, 17 cases (30.91%) with 30% or more reduction in foot ulcer area in treatment group,33 cases (60.00%) after 6 weeks treatment and the number of cases with 30% or more reduction in foot ulcer area,49 cases (89.09%) after 8 weeks of treatment, and the number of cases and the proportion of cases with 30% or more decrease of ulcer area in the control group after 4, 6 and 8 weeks were 12(20.00%), 22 (36.67%) and 39 (65.00%).There was no statistical difference between the two groups for the healing time of foot ulcer at three time points.After 8 weeks of treatment, the cure rate was 38.18% in salvia miltiorrhiza polyphenol combined with collagen sponge group. The effective rate was 50.91% and 45.00% for the two groups, the difference was not statistically significant; while the total effective rate was also significantly higher(89.09% vs.65.00%,P<0.01).Conclusion Salvia miltiorrhiza polyphenol combined with collagen sponge has a good effect on diabetic foot treatment, especially it can improve the cure rate, which is superior to the routine therapy.

Objective: To develop a model for rapid and non-destructive determination of amoxilcillin sodium and sulbactam sodium for injection using the analysis of near infrared diffuse reflectance spectroscopy (NIR) and chemometrics.Methods: Totally 41 batches of commercial samples and 20 batches of laboratory samples were analyzed by NIR and the legal methods.The first derivative and vector normalization were selected as the preprocessing methods and 8 720-5 446 cm-1 was selected as the frequency range.Results: The quantitative model was constructed based on 16 batches of commercial samples and 15 batches of laboratory samples (0.75 g) and the content ranged from 4.45% to 61.82% for amoxilcillin and 15.75% to 30.25% for sulbactam.The root mean square errors of cross validation (RMSECV), determination coefficients (R 2) and root mean square errors of prediction (RMSEP) respectively was 0.858 , 0.998 1 and 0.936 for amoxilcillin, and respectively was 0.541 , 0.988 1 and 0.423 for sulbactam.The model was tested based on 5 batches of commercial samples and 5 batches of laboratory samples (0.75 g) and the results well met with those of the legal methods with difference ≤ 1.5 %.The model also applied in 10 batches of commercial samples (1.5 g) and 2 batches of samples from the other manufacturers.Conclusion: The non-destructive quantitative NIR methods are accurate with good reproducibility, and applicable for the rapid analysis of amoxilcillin sodium and sulbactam sodium for injection.

Objective:To explore the distribution of pelvic lymph node (PLN) metastasis and the correlative dangerous factors in early cervical cancer patients.Methods:The medical records of 508 patients who underwent extensive hysterectomy and lymphadenectomy for International Federation of Gynecology and Obstetrics (FIGO) stage Ⅰb-Ⅱb cervical cancer in Guizhou Provincial People`s Hospital were reviewed retrospectively.Results:There were 278 patients with stage Ⅰb cervical cancer, 204 patients with stage Ⅱa cervical cancer and 26 patients with stage Ⅱb cervical cancer; the positive rate of lymph node metastasis was 16.7%(85/508), and obturator lymph node metastasis was the most common (56.6%); there were 19 patients with bilateral lymph node metastasis, accounting for 22.35%(19/85); lymph node metastasis occurred 104 times (two times for bilateral simultaneous transfer), and jumping lymph node metastasis accounted for 37.5%(39/104); common iliac lymph node metastasis accounted for 18.3%(19/104). The metastasis rate of patients with stage Ⅱa and Ⅱb (including parametrial, lymph node, ovarian and oviduct metastasis) was higher than that of patients with stage Ⅰb, and the odd ratio ( OR) was 2.30 and 2.48 respectively ( P<0.05); the metastasis rate of patients with moderately differentiated tumors was significantly higher than that of patients with well differentiated and poorly differentiated tumors ( P<0.05). There was no significant difference in the positive rate of pelvic lymph node metastasis among patients with different ages and histological types ( P>0.05); the positive rate of pelvic lymph node metastasis in patients with stage Ⅱa and Ⅱb was higher than that in patients with stage Ⅰb with statistically significant difference ( P<0.05); the positive rate of pelvic lymph node metastasis in patients with moderately differentiated tumors was higher than that in patients with well differentiated and poorly differentiated tumors, with statistically significant difference ( P<0.05). Conclusions:Obturator lymph node metastasis is the most common in cervical cancer. The risk of lymph node metastasis is increased in patients with stage Ⅱa or moderately differentiated tumors. Jumping metastasis is also a common way of metastasis, which suggests that standard and complete lymph node resection is an important measure to ensure the curative effect.

Objective To explore the relationship between the renal dysfunction rate and metabolic syndrome(MS),stratified by age. Methods People took part in physical check-up in a certain tertiary hospital from March 2010 to September 2012,were enrolled in this study. Estimated glomerular filtration rate(eGFR),-a renal dysfunction indicator,was calculated by modified MDRD equation[<60 ml/min(1.73 m2)]. Associations between the renal dysfunction rate and factors as age,gender and MS traits,were assessed by stratified analysis. Results Eligible data from 75 469 subjects were used. The prevalence rates of renal dysfunctions appeared to be 0.05%,0.20%,1.68%in 18 to 44 year-olds(youth),45 to 59 year-olds(middle)and 60 year-olds or above(old),respectively. Participants with MS showed a significantly higher risk than those without,in the elderly only(P<0.05)but not in the other 2 groups(P>0.05). Participants with 2 components of MS in middle-aged, 3 or 5 components of MS in the elderly showed a significantly high incidence (P<0.05),but no significant differences seen in other subgroups(P>0.05). Increasing trend was not seen in all the 3 groups(P>0.05). Elevated blood pressure(BP+)in youth and middle-aged groups,decreased high density lipoprotein(HDL-C)in middle-aged and elderly groups and elevated fasting plasma glucose (FPG+)in elderly group could all cause the abnormality rate of eGFR which showed significantly high incidence rates in the subgroup analysis(P<0.05). The maximum of population attributable risk proportion (PAR%) was 41.91% in youth when having elevated BP. Relationship between renal dysfunction rate and triglyeride(TG)/obesity was not identified. Conclusion The prevalence of renal dysfunction was found low,in Xuzhou. The incidence was not associated with the numbers but might relate to the nature of certain components of MS. Increased BP showed both short-term and mid-term effects. Decreased HDL-C,however,indicated both mid-term and long-term effects. The elevated FPG only appeared long-term effects. Increased TG and obesity did not show significant effects in these observed samples. PAR%of increased BP seemed to be the most important factors which might lead to renal dysfunction.

Objective: To establish a liquid chromatography-tandem mass spectrometry (LC/MS/MS) method for the determination of microcystin-LR (MC-LR) in drinking water, investigate its removal efficiency during tap water advanced treatment process and analyze its degradation products in the tap water. Methods: Two parallel water samples were collected from each point of tap water advanced treatment process in September 2015, November 2015 and January 2016, respectively, and treated by mixing, filtration, concentration, elution, nitrogen blow and re-dissolvement. The samples were analyzed by LC/MS/MS to determine the MC-LR concentration and its removal efficiency during treatment process. The combination of actual water enrichment (including source water enrichment of 50 times and 1 500 times concentrated, finished water enrichment of 50 times and 2 500 times concentrated) and laboratory simulated water (including the mixture of MC-LR and liquid chlorine in the mass ratio of 1∶10, 1∶20, 1∶100 and 1∶1 000, respectively) were used to qualitative analyze the MC-LR degradation products by Orbitrap mass spectrometry. Results: The linearity of MC-LR ranged from 2 to 200 μg/L with the detection limit of 0.007 9 μg/L and the limit of quantification of 0.026 3 μg/L. The recovery rate of MC-LR from different contration in drinking water were from 94.88%-101.47%. The intra-day precision was 2.51%-7.93% and the intra-day precision was 3.24%-8.41%. The average concentration of MC-LR in source water was (0.631±0.262) μg/L, 94.0% of which can be removed by ozone exposure while the concentrate was (0.038±0.016) μg/L, biological pre-treatment and chlorination. The remaining can hardly be removed by sand filtration, ozone exposure, activated carbon, ultrafiltration and other processes. The MC-LR average concentration in the finished water maintained at about (0.036±0.016) μg/L. Degradation products including hydroxy-microcystin, methyl-hydroxy-microcystin, methyl-microcystin were identified in the laboratory simulated water of the mixture of MC-LR and liquid chlorine in the mass ratio of 1∶10. Conclusion The established MC-LR detection method can be well applied to the monitoring of MC-LR in drinking water due to its simple pre-treatment process and good methodological validation parameters. The degradation products of treatment processes was different.

Objective:To explore the risk factors for peripherally inserted central catheter (PICC) related bloodstream infections in elderly acute leukemia patients during chemotherapy, and construct and validate relevant predictive models.Methods:This study selected 291 patients from the First Affiliated Hospital of Zhengzhou University from January 2019 to December 2020 as the modeling group, and 277 patients from January 2021 to December 2022 as the validation group. Multivariate Logistic regression was used to determine the risk factors for PICC related bloodstream infections during chemotherapy in elderly acute leukemia patients, and a prediction model was constructed and validated based on the analysis results.Results:The incidence of PICC related bloodstream infections in the modeling group was 8.2% (24/291). Multivariate Logistic regression analysis showed that chemotherapy frequency, single catheterization puncture frequency, whether catheterization maintenance frequency was standardized, and catheterization retention time were risk factors for PICC related bloodstream infections in elderly acute leukemia patients during chemotherapy. Based on this result, a prediction model was constructed, and the area under the receiver operating characteristic curve ( AUC) of the modeling group's prediction model was 0.798 [95% CI (0.734, 0.869) ], while the AUC of the validation group's prediction model was 0.745 [95% CI (0.712, 0.844) ]. The calibration curves of the modeling and validation groups showed that the prediction model had high predictive performance. Conclusions:A prediction model for PICC related bloodstream infections in elderly acute leukemia patients during chemotherapy is constructed based on the results of multiple factor analysis, and the predictive performance of the model is verified. Nursing staff can quantify the risk of PICC related bloodstream infections in patients based on this prediction model and implement targeted nursing measures.

Objective To investigate the efficacy and safety of maintenance treatment with low-dose decitabine after allogeneic stem cell transplantation (allo-HSCT) for high-risk acute lymphoblastic leukemia (ALL). Methods The data of 10 patients with high-risk ALL who received maintenance therapy with low-dose decitabine after allo-HSCT in the First Affiliated Hospital of Zhengzhou University from July 2016 to March 2018 was collected. The incidence of post-transplant relapse and graft-versus-host disease (GVHD) and the safety of the treatment protocol were analyzed. The cumulative incidence of relapse (CIR) rate, disease-free survival (DFS) rate and overall survival (OS) rate were estimated by Kaplan-Meier method. Results Two patients relapsed and the median relapse time of these 10 patients was 575 days after transplantation. The 1-year CIR, OS and DSF rates were 16.7%, 100.0% and 83.3%, respectively. At the end of follow-up, the DFS time after transplantation of 2 patients with p53 mutation were 23 months and 11 months, respectively. There was no induction or alleviation of GVHD caused by decitabine treatment. Nine patients developed grade Ⅰ-Ⅱmyelosuppression. Three patients had unexplained thrombocytopenia after transplantation and their platelet counts recovered after decitabine treatment. Conclusion Maintenance therapy with low-dose decitabine has low hematologic toxicity without increasing GVHD, which could be a maintenance treatment option to prevent relapse after transplantation for patients with high-risk ALL.

Objective To study the attention dysfunction of postoperative glioma patients.Methods Attention network test (ANT),digital span (DS),color trail test Ⅱ (CTT Ⅱ) and stroop test (ST) were used to detect the characteristics of attention function of 45 postoperative glioma patients,admitted to our hospital from January 2010 to January 2012 and 18 healthy controls.The relations of attention dysfunction with tumor localization,malignancy and postoperative recovery time were analyzed.Results As compared with that in the control group,orientation network dysfunction was detected in parietal lobe tumor group,with significant difference (P＜0.05); as compared with patients with low grade rumors (grade Ⅰ-Ⅱ),the patients with high grade tumors (grade Ⅲ-Ⅳ) had significantly lower scores in backward recite test,longer time in digital color connection test and higher word color naming interference value,enjoying significant differences (P＜0.05).No significant relation was observed between postoperative recovery time and attention impairment (P＞0.05); Conclusion The frontal and parietal lobe glioma patients suffer attention dysfunction and the high-grade glioma patients have more seriously impairment in attention,attention switching effect and selective attention ability than the low-grade ones.

Objective To explore the effects of individualized nursing intervention on quality of life in patients with hypertensive cerebral hemorrhage. Methods A total of 100 patients with hypertensive cerebral hemorrhage treated in in our hospital from March to August 2014 were selected and divided into control group and observation group, with 50 patients in each group. The patients of control group were given the routine specialist care measures, while the patients of observation group were additionally received personalized care interventions on the basis of routine care measures. We created a profile for each patient and carried out the related lectures plan, rehabilitation guidance, psychological support, extended care interventions and other interventions. The quality of life and satisfaction degree of nursing interventions in two groups were compared at six months after discharging. Results Both groups increased in quality of life after the interventions with observation group were higher than those of the control group (P<0. 05). The satisfaction degree of patients to nurses and doctors before and after interventions were 84. 62% and 82. 05% in control group, they were 97. 87% and 95. 74% in the observation group, which were higher than those of the control group (P<0. 05). Conclusions Personalized nursing intervention can improve the quality of life in patients with hypertensive cerebral hemorrhage, and improve patients'satisfaction to nursing care, so the measure is worthy of promotion.