Objective To investigate the role of klotho protein in the pathogenesis of hypertension. Methods We collected blood samples of 104 patients with hypertension and 61 people without hypertension admitted to our hospital between March and June 2009. Klotho protein and nitric oxide (NO) in blood serum were detected by ELISA and nitro-reductase methods. Results Klotho protein absorbance and NO were lower in hypertension group than in non-hypertension group (P

Objective To investigate the association between psychological stress and oxidative damage in TNM stage Ⅲ patients with poorly differentiated gastric adenecarcinoma (GA). Methods One hundred and six patients with newly diagnosed poorly differentiated GA were assessed using the Hamilton Depression Rating Scale (HAMD), Zung Self-rating Depression Scale (SDS), Zung Self-rating Anxiety Scale (SAS), Symptom Checklist 90 (SCL-90), activities of daily living (ADL) and other multiple-item qnestionnaires. Oxidative-stress-related parameters in serum and the expression of DNA repair genes were monitored during a pretreatment period. Results The patients were divided into depression and nondepression groups (Groups A and B, respectively) based on a HAMD score cutoff of 20. The mean SDS, SAS, SCL-90, ADL and passive coping scores were higher in Group A, whereas social support and quality of life were lower. Serum total antioxidant capacity, eatalase, superoxide dismutuse concentrations and anti-superoxide anion capacity (A-ASC) were significantly decreased in Group A, whereas serum malondialdehyde (MDA) and 8-hydroxy-deoxyguanosine (8-OHdG) levels were significantly increased. Pearson correlation analysis revealed that depression was pesitively correlated with MDA, SAS, SCL-90 and ADL, but negatively correlated with A-ASC. Furthermore, real-time PCR revealed that the expression levels of hOGG1 and APEX1 were increased in Group A. Conclusion Psychological stress might be related to impaired antioxidant system in patients with GA, and it presents the first evidence of the involvement of oxidative DNA damage in the pathogenesis of depression.

AIM:This study was performed to investigate the feasibility and efficiency of exogenous mesenchymal stem cells(MSCs) transplantation on post-infarction ventricular remodeling and heart function in rats and compare the effects between adult rat MSCs and neonate rat MSCs transplantation.METHODS:1-2 hours after left coronary artery ligation,MSCs cultured in ex vivo,marked with BrdU,were injected directly into the border of infarcts in exogenous rats.6 weeks after transplantation,rat' heart function,ventricular remodeling and pathological results were measured.RESULTS:MSCs transplantation decreased LV end-diastolic diameter and end-systolic diameter,limited LV chamber dilatation and reduced collagen content significantly.The numbers of blood vessels and cardiomyocytes were increased.BrdU-labelled MSCs with oval nucleus were widely distributed.There were no significant difference between adult rat MSCs and neonate rat MSCs transplanted groups.CONCLUSION:MSCs can survive and home in exogenous host infarct hearts without addition of any immunosuppressant.MSCs transplantation has benificial effects on remodeling processes and contributes to improvement of cardiac function,which may be related with the reduction of the amount of the collagen,promotion of myogenesis and angiogenesis.

Type Ⅱ transmembrane serine proteases 4 (TMPRSS4) is a novel type Ⅱ transmembrane serine protease.Present study showed that its expression was related with tumor invasion and metastasis,although its oncogenic significance and molecular mechanisms are still unknown.In this review,the author try to introduce its structure,biological function and mechanism in tumor invasion and metastasis.

Objective To detect the expression of survivin mRNA in cervical cancer cell lines using molecular beacon imaging technology. Methods Human cervical cancer cells (HeLa and SiHa) and human fetal lung fibroblast HFL-I were cultured in vitro. After adding 100 nmol/L survivin mRNA molecular beacon, the fluorescent signals were observed under fluorescent microscope. The expressions of survivin in cervical cancer cells and HFL-I cell were examined by immunocytochemical streptravidin-biothin peroxidase (SP) assay at the same time. Results Two kinds of survivin mRNA molecular beacon, with different color fluorescence, had strong fluorescent signal in cervical cancer cell lines, and the signal in SiHa cell line was stronger, but these signals were not found in HFL-I ; Immunocytochemical staining of positive survivin was located in the cytoplasm of cervical cancer cell lines HeLa and SiHa, whereas, no expression of survivin was detected in HFL-I cell line. Conclusion The technology of molecular beacon imaging can be used to detect the expression of survivin mRNA in viable cells successfully, and may provide a new approach to the diagnosis of early stage cervical cancer and the following-up in the clinic.

Different harvest times of Isatidis Folium had a significant effect on the yield and the quality of Isatidis Radix and Isatidis Folium. The harvest could increase the yield of Isatidis Folium, but reduce the yield of Isatidis Radix, the quality of Isatidis Radix and Isatidis Folium. One, two and three harvests of the Isatidis Folium reduced the yield of Isatidis Radix as 18.3%, 58.6%, 67.4% and increased the yield of the Folium as 107.3%, 86.3% and 116.6%. Ethanol-soluble extract of Isatidis Radix was 42.50%, 42.24%, 31.77%, which were 1.19%, 1.79%, 26.13% lower than those of the control, respectively. The water-soluble extract, indirubin, indigo content reduced with increase of the harvest times. Indirubin contents with two or three times harvests were higher than that of the control, but the content of water-soluble extract, ethanol-soluble extract, indigo were lower than those of the control.
Agriculture ; methods ; Desert Climate ; Drugs, Chinese Herbal ; chemistry ; metabolism ; Indigo Carmine ; Indoles ; metabolism ; Isatis ; metabolism ; Plant Leaves ; chemistry ; metabolism ; Plant Roots ; chemistry ; metabolism ; Quality Control ; Time Factors

OBJECTIVETo investigate the significance of the determination of IL-8 and TNF-alpha in prostatic secretions in the evaluation of chronic prostatitis.

METHODSIL-8 and TNF-alpha levels in EPS were evaluated by ELISA in 90 men: controls (n = 12), CBP (n = 12), CPPS IIIA (n=38), CPPS IIIB (n=28). And the difference was analyzed between CBP or CPPS IIIA and CPPS IIIB or controls.

RESULTSIL-8 and TNF-alpha levels in EPS were higher in men with CBP [(10967.5 +/- 3477.7) pg/ml, (84.1 +/- 54.7) pg/ml] or CPPS IIIA [(9268.4 +/- 2034.6) pg/ml and (32.6 +/- 18.6) pg/ml], but lower in men with CPPS IIIB [(2726.1 +/- 277.5) pg/ml, (12.6 +/- 7.1) pg/ml] or controls [(2800.0 +/- 320.2) pg/ml and (12.9 +/- 10.1) pg/ml] respectively. There was significant difference between CBP or CPPS IIIA and CPPS IIIB or controls (P < 0.01).

CONCLUSIONIL-8 and TNF-alpha are elevated in the EPS of the men with CBP and CPPS IIIA, and provide a novel means for the identification and characterization of chronic nonbacterial prostatitis/chronic pelvic pain syndrome. The cut-points for IL-8 and TNF-alpha to discriminate CBP or CPPS IIIA from CPPS IIIB or controls need further investigation.

Adult ; Aged ; Body Fluids ; chemistry ; Case-Control Studies ; Chronic Disease ; Enzyme-Linked Immunosorbent Assay ; Humans ; Interleukin-8 ; secretion ; Leukocyte Count ; Male ; Middle Aged ; Prostatitis ; diagnosis ; physiopathology ; Tumor Necrosis Factor-alpha ; secretion

Objective: To investigate the expression and clinical significance of sphingosine-1-phosphate transporter 2 (spinster homolog 2, SPNS2) in colorectal cancer. Methods: Colorectal cancer and adjacent normal tissues were collected from 133 patients undergoing colorectal cancer resection in Anhui Provincial Hospital from January 2010 to June 2013. The expression of SPNS2 protein was detected by immunohistochemistry. RT-qPCR was performed on the cancer tissues and adjacent normal tissues of 29 patients with colorectal cancer from February 2018 to June 2018. The relationship between the expression of SPNS2 in cancer tissues and clinicopathological features of colorectal cancer patients was analyzed using χ2test. The relationship between the expression of SPNS2 and prognosis of patients with colorectal cancer was analyzed based on univariate and multivariate analysis. Results: Immunohistochemistry results indicated that the expression of SPNS2 in colorectal cancer tissues was higher than that in adjacent normal tissues (81.20% vs. 22.60%, χ2=69.136, P<0.001). The results of RT-qPCR indicated that the expression of SPNS2 mRNA in colorectal cancer tissues was significantly higher than that in the corresponding adjacent normal tissues (t=3.974, P<0.001). The overexpression of SPNS2 protein was closely related to tumor differentiation, lymph node metastasis (pN), tumor size, and depth of invasion (Tx); this difference was statistically significant (P<0.001). The survival time of patients with negative SPNS2 expression was significantly longer than that of patients with positive expression (χ2=13.080, P<0.001). Univariate and Cox multivariate analyses showed that abnormal expression of SPNS2 affects the overall survival of colorectal cancer patients and is an independent influencing factor for patient prognosis. Conclusions: The positive expression of SPNS2 in colorectal cancer is related to the occurrence and development of colorectal cancer. SPNS2 can be used as a new colorectal tumor marker to evaluate the prognosis of patients, monitor the invasion and metastasis of postoperative tumors, and serve as a new target for diagnosis and treatment.

Objective:To analyze the changes of T cell immunoglobulin- and mucin-domain-containing molecule-3 (TIM-3) in serum of patients with liver cancer and its diagnostic value.Methods:From March 2021 to May 2021, 37 patients with viral hepatitis type B (hepatitis B group) , 44 patients with liver cirrhosis (liver cirrhosis group) and 27 patients with liver cancer (liver cancer group) were selected in the Second Affiliated Hospital of Air Force Medical University, and 35 healthy subjects who underwent physical examination during the same period were selected as the healthy control group. The serum alpha fetoprotein (AFP) , liver function indexes and TIM-3 levels were detected, and the differences among groups were analyzed. The correlations between TIM-3 and AFP and liver function indexes were analyzed by Spearman correlation. Receiver operating characteristic (ROC) curve was used to analyze the diagnostic value of TIM-3 in liver cancer.Results:There was a statistically significant difference in AFP among the hepatitis B group, liver cirrhosis group and liver cancer group ( χ2=11.75, P=0.003) . There were statistically significant differences in total bilirubin ( χ2=22.85, P<0.001) , direct bilirubin ( χ2=25.90, P<0.001) , indirect bilirubin ( χ2=19.92, P<0.001) , alanine aminotransferase ( χ2=36.64, P<0.001) , aspertate aminotransferase ( χ2=26.26, P<0.001) , aspertate aminotransferase/alanine aminotransferase ( χ2=34.67, P<0.001) and total bile acid ( χ2=13.10, P<0.001) among the hepatitis B group, liver cirrhosis group and liver cancer group. The serum levels of TIM-3 in the healthy control group, hepatitis B group, liver cirrhosis group and liver cancer group were 11.1 (4.2, 14.4) ng/ml, 12.7 (4.3, 23.9) ng/ml, 11.4 (3.4, 17.0) ng/ml and 15.7 (10.5, 21.2) ng/ml, with a statistically significant difference ( χ2=11.85, P=0.008) . There were statistically significant differences between the liver cancer group and healthy control group and liver cirrhosis group (both P<0.05) . Spearman correlation analysis showed that TIM-3 had no correlation with AFP in the four groups ( r=0.05, P=0.791; r=0.18, P=0.497; r=0.03, P=0.883; r=0.24, P=0.396) . There were correlations between serum TIM-3 and total protein in the healthy control group ( r=0.36, P=0.036) , serum TIM-3 and globulin in the hepatitis B group ( r=0.35, P=0.034) , and serum TIM-3 and total bile acid in the liver cancer group ( r=0.46, P=0.017) . ROC curve analysis showed that the sensitivity of serum TIM-3 for the diagnosis of liver cancer was 48.10%, and the specificity was 91.43%, when taking healthy subjects as the control group. The sensitivity of serum TIM-3 for the diagnosis of liver cancer was 96.30%, and the specificity was 41.77%, when taking healthy subjects and liver cirrhosis patients as the control group. The sensitivity of serum TIM-3 for the diagnosis of liver cancer was 96.30%, and the specificity was 40.52%, when taking healthy subjects, hepatitis B patients and liver cirrhosis patients as the control group. Conclusion:The serum level of TIM-3 in patients with liver cancer is significantly increased, which has certain diagnostic value for liver cancer, and can be used as a diagnostic marker and potential therapeutic target for liver cancer patients.

BACKGROUND:As the incidence of spinal cord injury increases with the years and axon regeneration after spinal cord injury was very difficult.How to promote the recovery from spinal cord injury and improve the transplantation efficiency of stem cells and other therapeutic cells after spinal cord injury has been the focus of clinical and scientific research. OBJECTIVE:To establish the efficient transplantation and replacement of mouse spinal cord microglia in the spinal cord injury model. METHODS:CX3CR1 creER-/+::LSL-BDNF-/+-tdTomato mice,CX3CR1+/GFP mice,β-actin GFP mice and C57 BL/6J wild-type mice at 8-10 weeks of age were selected.According to the requirements of the experiment,they were randomly divided into six groups.(1)Sham operation group:eight C57 BL/6J wild-type mice were used when only the lamina was removed without injury.(2)Spinal cord contusion injury group:eight C57 BL/6J wild-type mice were used.(3)Spinal cord crush injury group:eight C57 BL/6J wild-type mice were used.(4)Conjoined symbiotic spinal cord strike injury group:β-actin GFP mice with green fluorescent blood were surgically stitched together with C57 BL/6J wild-type mice,using eight β-actin GFP mice and eight C57 BL/6J wild-type mice.(5)Mr BMT-X Ray group(using PLX5622 to eliminate the spinal microglia and bone marrow transplantation with X-ray radiation):Bone marrow cells from four CX3CR1 creER-/+::LSL-BDNF-/+-tdTomato mice were extracted and transplanted into eight C57 BL/6J wild-type mice for spinal cord injury modeling.(6)Mr BMT-Busulfan group(using PLX5622 to eliminate the spinal microglia and bone marrow transplantation with Busulfan):Bone marrow cells from four CX3CR1+/GFP mice were transplanted into eight C57 BL/6J wild-type mice.The percentage of cell transplantation replacement in this group was observed,and the spinal cord injury model was not established in this group.The sham operation group,spinal cord contusion injury group and spinal cord crush injury group were sampled by perfusion on day 14 after spinal cord injury.The conjoined symbiotic spinal cord strike injury group was sampled by perfusion on day 7 after spinal cord injury.Mr BMT-X Ray group was sampled by perfusion on day 28 after spinal cord injury.Mr BMT-Busulfan group was sampled by perfusion on day 28 after transplantation.The sampling site was a 1.2 cm long spinal cord with the T10 segment as the center.In the Mr BMT-X Ray group and Mr BMT-Busulfan group,additional mouse brain tissue was retained to see if it would lead to brain transplantation and replacement.The number and proportion of transplanted and replaced cells in the damaged area were measured using transgenic mice,symbiosis and immunofluorescence. RESULTS AND CONCLUSION:Compared with the traditional peripheral blood transplantation(9.8%)of mice in the conjoined symbiotic spinal cord strike injury group,the new transplantation methods,Mr BMT-X Ray and Mr BMT-Busulfan,could greatly improve the proportion of spinal microglia transplantation and replacement,which could reach 84.8%and 95.6%,respectively.The difference was significant(P<0.05).The results showed that Mr BMT-X Ray and Mr BMT-Busulfan could achieve efficient replacement of spinal microglia cells,and could improve the problems of low cell transplantation efficiency,few survival numbers and unclear differentiation of the traditional cell transplantation methods.In addition,Mr BMT-X Ray can only replace the microglia in the spinal cord,while Mr BMT-Busulfan could avoid brain inflammation and injury caused by X-ray radiation transplantation.