Objective To analyze the correlation between quantitative evaluation of high-resolution CT (HRCT) and pulmonary function tests (PFT) in chronic obstructive pulmonary disease (COPD), and evaluate the characteristics of PFT in different CT phenotypes of COPD. Methods 65 patients with COPD underwent CT chest scan and PFT. The dimensions of subsubsegmental apical bronchi of right upper lobes were measured , which included the following parameters:airway wall thickness (T), total airway diameter (D), and pulmonary artery (PA), ratio of airway wall thickness and pulmonary artery (T/PA), thickness diameter ratio (TDR), percentage of wall area (WA%) and percentage of airway luminal area (Ai%). The percentage of total lung area occupied by low attenuation area (LAA%) was measured by lung density software. The relationship between the measurements and PFT parameters were analyzed. Patients were classified into three phenotypes based on the presence of emphysema or bronchial wall thickening evaluated by HRCT. Phenotype A: without or with little emphysema (LAA% < 25%), with or without bronchial wall thickening; Phenotype E: emphysema without bronchial wall thickening (LAA%≥25%, T/PA < 30%); Phenotype M: emphysema with bronchial wall thickening (LAA%≥25%, T/PA≥30%). The characteristics of different CT phenotypes were analyzed. Results LAA% had a good correlation with PFT parameters. PA, T/PA, WA% and Ai% also had correlation with PFT parameters. There was 53 patients of Phenotype A, 12 patients of Phenotype M. PA, T/PA, LAA%and PFT were different in two groups. Conclusions LAA%and airway quantitative measurements in HRCT have certain correlation with PFT parameters. Patients with different CT phenotypes differs in PFT parameters , which can provide reference for clinical diagnosis and treatment.

ObjectiveTo explore the migration, effect on axon growth of olfactory ensheathing cells (OECs) transplanted in contused spinal cord of rats. Methods8 adult female rats were induced spinal cord contusion at T10 cord by NYU impactor (H=25 mm), and received OECs transplantation in 1 mm rostral and caudal to injury site，or injury site. Other 4 adult female rats were uncovered the spinal cord at T8-10 cord, and injected GFP+OECs at T10 cord. 1 week after transplantation, all animals were executed and the T8-11 cord (15 mm long) contained the entire injury site were observed for the migration of OECs and immunostained for neurofilament (NF) and myelin basic protein (MBP). ResultsThe OECs injected in injury site largely migrate longitudinally and laterally from the injection site, OECs injected in 1 mm rostral and caudal to injury site of contused spinal cord, migrate longitudinally and laterally from the injection site to the injury site in white and gray matter, and some along the central canal. OECs injected in normal spinal cord migrated longitudinally and laterally from injection site, too. The transplanted OECs expressed a little NF and MBP. ConclusionThe transplanted OECs are able to migrate in spinal cord and promote axon regeneration and remyelination.

Objective To investigate the role of Th17 cells and related cytokines in Helicobacter pylori(H.pylori) infection.Methods To establish a mouse model of H.pyloriinfectious gastritis.Meanwhile,a treatment group and control group were set up.The histological changes in the gastric mucosa were observed and scored under light microscopy;The expression of IL-17 and IL-23 mRNAs as well as protein in gastric tissue was detected by RT-PCR and ELISA,respectively;Th17 cells in mice splenocyte were evaluated using the flow cytometry (FCM) method.Results We found significantly higher levels of IL-17 and IL-23 protein and mRNA levels in supernatant of gastric tissue homogenates of infection group as compared to controls and Th17 cells in spleen from mice of H.pylori infection group were all obviously higher than that of control group;IL-17 mRNA,IL-23 mRNA and the ratio of Th17 cells in mice splenocyte of H.pylori infection group mice increased gradually with the time prolonged;The levels of both mRNA and protein levels of IL-17and IL-23 decreased significantly in the treatment group compared with pre-treatment;There was a positive correlation between IL-17 and IL-23 expression levels of mice gastric mucosa and gastric inflammation degree.Conclusion H.pylori infection induced the immune response of Th17 cells;The levels of IL-17 and IL-23 increased in gastric mucosa of mice after H.pyloriinfection;The degree of H.pylori-infected mice gastric inflammation was positive correlation with the levels of IL-17 and IL-23 of gastric mucosa.

Objective:To evaluate the efficacy and safety of cytoreductive surgery (CRS) in conjunction with hyperthermic intra-peritoneal chemotherapy (HIPEC) for treating patients with peritoneal carcinomatosis (PC) from colorectal cancer (CRC). Methods:A total of 62 CRC patients with complication of PC were divided into the CRS group, namely, Group One (n=29, CRS and systemic adju-vant chemotherapy) and the CRS+HIPEC group, namely, Group Two (n=33, CRS+HIPEC). The primary end point of the study was overall survival (OS) and the secondary end point was serious adverse events (SAE). Results:Patients' clinicopathologic characteris-tics, peritoneal carcinomatosis index, and completeness of cytoreduction therapy were well balanced and comparable between the two groups. The median follow-up was 41.9 mo (6.5 mo to 110.0 mo) in Group One and 32.0 mo (10.5 mo to 95.9 mo) in Group Two. The median OS was 8.5 mo (95%CI:4.9 mo to 12.1 mo) in Group One and 14.5 mo (95%CI:11.9 mo to 17.1 mo) in Group Two (P=0.007). Within 30 days after the surgery, SAE occurred in 3 of the 29 patients in Group One, and 9 of the 33 patients in Group Two (P=0.126). Multivariate analysis revealed that HIPEC, CC0-1 score, and chemotherapy over six cycles were the independent factors for OS improvement. Conclusion:The CRS+HIPEC method improves the OS of patients with PC from CRC, suggesting an acceptable safety.

Objective To explore the effect of olfactory ensheathing cell (OEC) transplantation combined with walking training on neurofunction recovery in rats after spinal cord contusion. Methods Forty adult female rats aged (75 ± 1 ) days were subjected to experimental spinal cord contusion at the T10 level using a New York University impactor at a height of 25 mm. They were then divided into 4 groups: ( 1 ) an OEC transplantation combined with walking training (OEC-walking training) group, (2) an OEC transplantation (OEC) group, (3) a walking training combined with Dulbecco's modified Eagle medium injection (DMEM) (walking training-DMEM) group, and (4) aDMEM injection (SCI-DMEM) group. The OEC transplants and DMEM injections were performed 2 weeks post-injury. Walking training began at the 7th day post-injury and consisted of daily sessions (once daily, 5 days a week for 10 weeks) of quadrupedal treadmill training, starting from 15 min and gradually increasing to 30 min daily, at speeds starting from 3 m/min and gradually increasing in accordance to the condition of the rats. Locomotor function recovery of the rats' hindlimbs was evaluated weekly using the Basso, Beattie and Bresnahan (BBB) locomotor rating scale.The expression of tyrosine hydroxylase ( TH ) was detected in the injured region of the lumbar spinal cord. Results The BBB scores of rats in the OEC-walking training group and the walking training-DMEM group improved significantly from the 4th week post-injury compared to the SCI-DMEM injection group. Rats in the OEC transplantation group had a significant improvement in BBB scores at the 5th to 8th weeks post-injury. At the end of the 11th week post-injury, the average BBB scores were 13.14 ± 0.24 in the OEC-walking training group, 11. 64 ± 0.56 in the OEC transplantation group, 12.29 ±0.64 in the walking training-DMEM group and 11.07 ± 0.84 in the SCI-DMEM group.The OEC-walking training group scored significantly higher than the other 3 groups. Although the number of TH-positive neurons in the lumbar spinal cord was not significantly different among the groups, the morphology of TH-positiveneurons in the OEC-walking training group and the walking training-DMEM group was different from those in the OEC transplantation group and the SCI-DMEM group. Conclusions OEC transplantation combined with walking training can effectively promote the functional recovery of the hindlimb. The plasticity of the descending TH system and of motoneurons of the ventral horn of the lumbar spinal cord might mediate the changes.

Objective To study the expression of c -Met protein in gastrointestinal stromal tumor(GIST) and to evaluate its clinicopathological significance.Methods The immunohistochemical technique,EnVision method was used to evaluate the expression of c -Met in 105 cases of GISTs.Results c -Met protein positive rate in GISTs was 9.52%(10 /105),its expression rate was significantly higher in GISTs with >10 /50HPF mitotic activity(P <0.05).c -Met protein expression rate was higher in GISTs which >5cm,moderate or high -risk,or mass located outside the stomach,but the difference was not statistically significant(P >0.05 ).Conclusion c -Met protein expression may related with risk of GISTs.We think that c -Met is worthy of further study for its potential usage as a evaluation indicators of GISTs clinicobiological behavior.

Objective To analyze the correlation between emphysema extent measured by high resolution computed tomography (HRCT) and pulmonary function tests, symptom score in patients with chronic obstructive pulmonary disease ( COPD ) , and to study the value of HRCT in the emphysema quantification in the clinical evaluation of COPD patients. Methods 78 patients with stable COPD were recruited to take the HRCT scan , and emphysema extent was qualified by measuring the proportion of low attenuation area in the whole lung (LAA%). Correlations between LAA% and indices of pulmonary function test, bronchial dilation test, mMRC scale, CAT score and six minutes walking distance (6MWD) were assessed. Results LAA% was negatively correlated with FEV1/FVC and DLCO%pred, and the correlation coefficients were -0.759 and -0.589 (P <0.01), respectively. LAA% was positively related to mMRC score (r = 0.342, P < 0.01), and negatively asso-ciated with 6MWD (r = -0.365,P< 0.01). There was no association between LAA% and indices of bronchodila-tion test (⊿FVC, ⊿FVC%, ⊿FEV1, ⊿FEV1%) (P > 0.05). Conclusions The severity of emphysema measured by HRCT is well correlated with the clinical symptoms , pulmonary function tests and exercise capacity in COPD patients. It can be used to diagnose emphysema early and to evaluate the severity of the disease com-prehensively. Thus, the risk factors of COPD can be controlled and the prognosis of the patients can be im-proved.

OBJECTIVETo study the expression of fascin-1 protein in breast cancer and to evaluate its correlation with clinicopathologic features of the tumor.

METHODSImmunohistochemical EnVision method was performed to evaluate the expression of fascin-1 in 23 cases of normal breast tissues, 69 cases of benign breast lesions, 58 cases of usual ductal hyperplasia (UDH), 61 cases of ductal carcinoma in situ (DCIS) and 221 cases of breast cancer from March 2007 to December 2011.

RESULTSFascin-1 protein expression rates in normal breast tissues, benign breast lesions, UDH, DCIS and breast cancer were 100.0% (23/23), 89.9% (62/69), 13.8% (8/58), 19.7% (12/61), and 42.1% (93/221), respectively. Fascin-1 expression in normal breast tissues and benign breast lesions was significantly higher than those in UDH, DCIS and breast cancer (P < 0.01); Fascin-1 expression in breast cancer was significantly higher than those in UDH and DCIS (P < 0.01). There was a tendency of increased fascin-1 expression in DCIS compared to UDH, but the difference was not statistically significant (P > 0.05). Fascin-1 positive rates in patients with DCIS grade III (26.8%, 11/41) was significantly higher than that in patients with DCIS grade I-II (1/20, P < 0.05). Fascin-1 protein expression in breast cancer increased with increasing histologic grade and clinical stage (P < 0.01). Fascin-1 protein expression was also significantly higher in tumors with negative estrogen receptor (ER) and progestone receptor (PR) status and > 3 axillary lymph node metastases compared to tumors that were ER and PR positive and ≤ 3 axillary lymph node metastases (P < 0.01 and P < 0.05, respectively). Logistic regression analysis showed that fascin-1 expression correlated positively with high clinical stage (OR = 1.568, 95% CI = 1.029-2.387, P < 0.05) , but negatively with ER expression (OR = 0.149, 95% CI = 0.079-0.281, P < 0.01) .

CONCLUSIONSFascin-1 is highly expressed in normal breast tissues and benign breast lesions, suggesting that it may be a biological marker of mature mammary ductal epithelium. Fascin-1 protein expression shows a significantly increasing trend from UDH, DCIS to invasive breast cancer, suggesting that fascin-1 plays an important role in breast carcinogenesis and may be a potential target for therapy.

Axilla ; Breast ; metabolism ; pathology ; Breast Neoplasms ; metabolism ; pathology ; Carcinoma in Situ ; metabolism ; pathology ; Carcinoma, Ductal, Breast ; metabolism ; pathology ; Carrier Proteins ; metabolism ; Estrogen Receptor alpha ; metabolism ; Female ; Humans ; Hyperplasia ; metabolism ; Lymph Nodes ; metabolism ; Lymphatic Metastasis ; Microfilament Proteins ; metabolism ; Receptors, Estrogen ; metabolism

Objective To observe the Th17 and regulatory T cells(Tr) equilibrium state as well as their changes of tuberculosis patients in six-month's anti-Tuberculosis treatment.Methods Select thirty-two tuberculosis patients received anti-Tuberculosis treatment while thirty-two healthy volunteers as controls.Flow cytometry was used to analyze Th17 and Tr cells in venous blood at the time of pre-therapy,3th,6th month.Results The ratio of Th17 cells in CD4 cells in tuberculosis patients and volunteers were (1.10±0.39)％,(2.50±1.03) ％,(3.90±1.34) ％,(4.50±1.52)％,respectively; the ratio of Tr cells were (9.17±3.26)％,(6.85±2.73)％,(5.46±1.69)％,(4.35±0.86)％,respectively.Conclusion Tuberculosis could make Th17 cells and Tr cells lost their balance,but the immune equilibrium state may gradually recover after anti-tuberculosis.The change of the amount of immune cells was likely to be the reference indexes to observe the progress of tuberculosis and the treatment effect of anti-tuberculosis.

Objective To explore the expression and correlation of Fascin-1 and epidermal growth factor receptor (EGFR) in hormone receptor-positive breast cancer.Methods The immunohistochemical technique,EnVision method,was used to evaluate the expression of Fascin-1 and EGFR in 294 cases of hormone receptor-positive breast cancer,which contains 290 cases of estrogen receptor (ER) positive and 244 cases of progestrone receptor (PR) positive.According to ER,PR,Epidermal growth factor receptor 2 (HER2),and Ki-67 status,all cases of hormone receptor-positive breast cancer were categorized into 2 subtypes:160 cases of luminal A and 134 cases of luminal B.Results Fascin-1 and EGFR protein positive rates in hormone receptor-positive breast cancer was 13.9％ (41/294) and 30.6％ (90/294),respectively.Fascin-1 positive rate was significantly higher in EGFR positive cases (30.0％,27/90) than in EGFR negative cases (6.9％,14/204) (x2 =27.857,P =0.000).In the ER positive and PR positive cases,Fascin-1 positive rates were both significantly higher in EGFR positive cases than in EGFR negative cases (x2 =29.23,P =0.000;x2 =27.596,P =0.000,respectively).In the Luminal A and Luminal B subtype,Fascin-1 positive rates were also both significantly higher in EGFR positive cases than in EGFR negative cases (x2 =23.247,P=0.000;x2 =5.325,P=0.021,respectively).Conclusions EGFR signal pathway may positive regulate Fascin-1 expression in hormone receptor-positive breast cancer.