0 05).CD 34 , CD 31 and F VIII of the average counts of microvessels were (69 5?15 7), (65 3?14 5) and(58 3?16 3) respectively in the NSCLC with metastasis and (44 3?14 3), (40 5?12 6) and (36 5?15 8) respectively in those without metastasis,there was a significant difference (P

BACKGROUND:Recent studies have shown that adipose-derivedmesenchymal stem cells (ADMSCs) not only have multilineage differentiation potential, but also exert an important role in blood sugar balance and hormone production.OBJECTIVE:To observe the differentiation potential of human ADMSCs (hADMSCs) into functional islet-like cells and the therapeutic effect of hADMSCs transplantation in diabetic rats.METHODS:PDX-1 gene was transfected into hADMSCs by adenovirus. Cell differentiation and insulin secretion were identified and detected by dithizone staining and ELISA, respectively. Twenty male Sprague-Dawley rats were randomly divided into control group (n=4), diabetes group (n=8) and transplantation group (n=8). Rats in the latter two groups were subjected to making diabetic models by 65 mg/kg streptozotocin injection. Afterwards, rats in the transplantation group were given PDX-1 transfected ADMSCs via the tail vein.RESULTS AND CONCLUSION:At 15 days after transfection, the number of insulin positive cells and insulin secretion were both increased significantly (P < 0.05). Fasting glucose levels in the transplantation group decreased significantly (P < 0.05), while the body weight increased significantly (P < 0.05). In the diabetic group, the fasting glucose level still maintained at a high level, and the body weight of rats was significantly decreased. These results implicated that PDX-1 gene could induce hADMSCs differentiating into functional islet-like cells. PDX-1 transfected ADMSCs transplantation is effective in treating diabetic rats, but the mechanism needs further study.

Objective: To probe into the relation of nutritional status with serum lipids levels in children. Methods: The levels of serum lipids, dietary intakes and physical indices were investigated for 316 children aged 7～11 years in Beijing Chao Yang District. Results: 36.21% of energy was from fat. Of 60.1% children the daily intakes of cholesterol were equal to or more than 300 mg. The intakes of cholesterol were positively associated with TC and apoB levels. Energy percentage from carbohydrate was also positively related with HDL C level. On the other hand, the levels of TC, HDL C and apoAI in cholesterol high intake group were more than control group. The TC, TG, LDL C, apoB and Lp(a) levels in overweight/obese children were more than normal and underweight children, and the lipids levels increased with overweight degree. In boys the waist hip ratios were positively associated with TC, TG, LDL C and apoB levels, negatively with HDL C level. Conclusion: Overweight/obesity (especially abdominal obesity) and unreasonable diet were related closely with dyslipidemia in children. It could be used in early diagnosis for high risk children of dyslipidemia.

ObjectiveTo explore puncture point and angle of skin for unipedicular vertebroplasty by imaging measurement and combining clinical practice in order to pr vide reference for clinical work.MethodsCT images of thoracic and lumbar vertebrae of imaged with multislice helical CT were random chosen.From high to low position vertebrae of easy fracture T6 to -L5,its angle between vertebraI pedfcle stalk line and 1/3 of vertebraI body stalk line fore and median of point of intersection was measured.The angle of sternocostal joints route was also measured.At the same time the distance between site of skin puncture and spinous process was measured.ResultsThe angle between the thoracic vertebraI pedicle and sagittal section was (28.2 ± 3.8) °,the lateral distance of the spinous process was ( 31.6 ± 5.4) mm.The angle of thoracic vertebraI pedicle lateral route was (35 ± 3.4) °,the distance was ( 55.2 ± 5.3 ) mm.In the lumbar vertebrae pedicle route,the angle of L1 -L4 was (29.3 ± 5.6 ) °,the distance was (38.4 ± 4.5 )mm.Ls was (39.2 ± 3.3) °,the distance was ( 71.6 ± 6.2) mm.Combining clinical practice,the lateral distance of the spinous process in thoracic vertebraIpedicle route,the best puncture point was 30 mm,in thoracic vertebraI pedicle lateral route it was 40 mm,in L1-L4 it was 45 mm,in L5 it was 60 mm.ConclusionsThe unipedicular vertebroplasty can be performed rapidly,accurately and safely,and it reduces complications,cost and time.

To establish the quality standard for Zhike Xiaoyan Zhitong lotion. Methods: Phellodendri chinensis Cor-tex, Angelicae sinensis Radix and Astragali Radix in the preparation were identified by TLC. The content of berberine hydrochloride, the effective component in Phellodendri chinensis Cortex, was determined by HPLC with the chromatographic conditions as follows: an Agilent 5 TC-C18 column (250 mm × 4. 6 mm, 5 μm) was used, the mobile phase was acetonitrile-0. 05 mol·L-1 potassium dihydro-gen phosphate (30∶70) with the flow rate of 1. 0 ml·min-1 , the detection wavelength was 265 nm, and the column temperature was at 30 ℃. Results:The spots of Phellodendri chinensis Cortex, Angelicae sinensis Radix and Astragali Radix in Zhike Xiaoyan Zhitong lotion on TLC were clear with strong specificity and without any interference from the negative controls. There was a good linear rela-tionship for berberine hydrochloride within the range of 0. 029-3. 628 μg(r=0. 999 9), and the average recovery was 97. 83% (RSD=2. 05%, n=6). Conclusion:The qualitative and quantitative methods are accurate, reliable and repeatable, which can effectively control the inherent quality of Zhike Xiaoyan Zhitong lotion.

Objective To study CT numbers correction of kilo?voltage cone?beam CT (KV?CBCT) images for dose calculation. Method Aligning the CBCT images with plan CT images, then obtain the background scatter by subtracting CT images from CBCT images. The background scatter is then processed by low?pass filter. The final CBCT images are acquired by subtracting the background scatter from the raw CBCT. KV?CBCT images of Catphan600 phantom and four patients with pelvic tumors were obtained with the linac?integrated CBCT system. The CBCT images were modified to correct the CT numbers. Finally, compare HU numbers between corrected CBCT and planning CT by paired T test. Evaluate the image quality and accuracy of dose calculation of the modified CBCT images. Results The proposed method reduces the artifacts of CBCT images significantly. The differences of CT numbers were 232 HU, 89 HU, 29 HU and 66 HU for air, fat, muscle and femoral head between CT and CBCT respectively (P= 0?? 39,0?? 66,0?? 59,1).The differences of CT numbers between CT and CBCT was reduced to within 5 HU. And the error of dose calculation with corrected CBCT images was within 2%. Conclusions The CT numbers of corrected CBCT are similar with plan CT images and dose calculations based on the modified CBCT show good agreement with plan CT.

Objective To explore the value of manganese-enhanced MRI in locating the rat visual nuclei.Methods The visual nuclei of thirty-six rats were located by 3 different ways including individual MEMRI locating (group A,n= 1 6),anatomical atlas locating (group B,n=1 6)and direct puncture by using the data obtained in MEMRI (group C,n=4).After unilateral intra-vitreal injection of MnCL2 (30 mmol/L×3 μL)in group A,the brain MRI was performed 24 h later.The location coordinate of lateral geniculate nucleus (LGN) and superior colliculus (SC)were recorded individually.The nuclei injections (3% fluorogold solution,1 μL)were performed by using different location coordinate in groups A and B.The rat’s retinas were examined under fluorescence microscope 5 days later,and the results were compared between the two groups.After brain nucleus puncture injection (30 mmol/L MnCL2 solution,0.5 μL),MRI was performed 1 h later in group C.Results The success rate was 93.8% (1 5/1 6)in group A,and 65.5% (10/1 6)in group B.The difference between groups was statistically significant (P<0.05).All the injection locations of C group were agreed with atlas.Conclusion MEMRI in the visual nucleus stereotactic can improve the accuracy of location.

Objective To evaluate the safety and efficacy of magnetic resonance-guided focused ultrasound surgery (MRgFUS) in treatment of symptomatic uterine leiomyoma among Chinese reproductive age women.Methods From April 2010 to April 2012,80 premenopausal women with symptomatic leiomyoma volunteered to participate in this prospective study in Department of Outpatient of Peking Union Medical College Hospital.Among 23 reproductive aged patients with size of uterus less than 16th gestational weeks,2.5 to 10 cm of diameter of myoma,less than 10 myomas and expressing symptoms clearly were treated by MRgFUS.Treatment data,non-perfused volume ratio (NPVR) and adverse events were recorded.After treatment,patients were followed up at 1 week,1,3,6,12 and 24 months,respectively.Patients at initial screening and each time of the follow-up filled out uterine fibroid symptoms quality of life (UFS-QOL),which include symptoms severity score (SSS) and health-related quality of life (HRQL).The volumes of leiomyoma and uterine were evaluated on MRI before and after the treatment (at 6 and 12 months,respectively).Before operation,routine blood test were performed on all patients,anemia patients at 3 months and 1 year after treatment were checked with blood test.Results (1) Treatment data and adverse events:the mean therapeutic temperature was (69 ± 7) ℃,the mean treatment time was (144 ±62) min,the mean NPVR was (62 ±23)％.Adverse events included mild erythema(1/23),abdominal cramp(8/23),vaginal discharge (5/23),and leg numbness (4/23).(2) The rate of secondary surgery:one patient was treated by myoectomy and hysterectomy within one year following up and 4 patients chose surgical treatment during the second-year follow-up.(3) Volume change:the volumes of leiomyoma before the treatment and 6,12 months after the treatment are 75.6 (P25 =43.8,P75 =128.9),52.3 (P25 =23.8,P75 =111.2),45.9 (P25 =26.3,P75 =71.7) cm3,respectively; and the volumes of uterine before the treatment and 6,12 months after the treatment are 270.0 (P25 =208.4,P75 =390.3),216.4 (P25 =151.1,P75 =290.0),200.0 (P25 =149.1,P75 =267.6) cm3,respectively.Both leiomyoma and uterine volumes decreased significantly after treatments (P ＜ 0.01).(4) UFS-QOL change:the symptoms severity score (SSS) before the treatment and 3,12 months after the treatment are (34 13),(22 ± 11),(19 ± 12),which decreased significantly (P ＜ 0.01).The health-related quality of life (HRQL) before the treatment and 3,12 months after the treatment are (74 ± 15),(82 ± 13),(89 ± 10),which increased dramatically (P ＜0.01).(5) Hemoglobin(HGB) change:eleven patients suffered from anemia before treatments,the mean HGB before treatment was (87 ±6) g/L and were (106 ± 14) g/L 3 months after treatment,(112 ± 10) g/L 12 months after treatment.The HGB was increased significantly after treatments (P＜0.01).Conclusions MRgFUS is a safe and effective non-invasive management for symptomatic uterine leiomyoma in short-term follow up.But there is additional treatment ratio after MRgFUS.

Background Researches showed that transforming growth factor-β2 (TGF-β2) promotes the activity of human Tenon capsular fibroblasts (TFs),which plays a role in the scarring of filtering blebs after antiglaucoma surgery.However,its mechanism is not fully clear.Lysyl oxidases (LOXs) are important extracellular matrix proteases which can catalyze the cross-linking of collagen and elastin.Investigating the impact of TGF-β2 on the expression of LOXs has a great significance for the understanding of the pathogenesis of filtering bleb scarring and its prevention.Objective This study was to investigate the effect of TGF-β2 on the expression of LOXs in cultured human TFs.Methods The TFs at 4-8 generations were divided into normal control group and different concentrations of TGF-β2 treated-groups,and 100,200,400,800 μ1 of TGF-β2 with the final concentration of 2,4,8 and 16 ng/ml was added into the medium to treat human TFs respectively for 24 hours.The LOXs in the cells were detected by Western blot to determine the optimal dose of TGF-β2.The 4 ng/ml TGF-β2(200 μ1) was used to treat human TFs for 6,12,24 and 48 hours respectively,and the change of LOXs expression in the cells over time was assayed by Western blot.The expression and distribution of LOX protein in the normal cells and TGF-β2-treated cells was detected by using immunofluorescence technique.This study was approved by Daping Hospital of Third Military Medical University Ethic Commission.The guardians of the patients who offered the specimen knew the purpose of the study and signed informed consent.Results Western blot assay showed that the expressions of LOX,LOXL1,LOXL2,LOXL3 and LOXL4 in the cells were gradually elevated from the normal control group and 2,4,8,16 ng/ml TGF-β2-treated groups,showing significant differences among the groups (F =37.338,13.438,31.067,11.767,15.167,all at P＜0.01).The expression of LOXL2 protein in the cells was 0.68±0.07,1.09±0.10,1.32±0.07,1.50± 0.06 and 1.89±0.12 in the normal control group and 6-,12-,24-and 48-hour groups respectively after 4 ng/ml TGF-β2 treatment,with a significant increase over time (F =82.832,P=0.000).The expression of LOX was weak in the normal cultured TFs,while the fluorescence intensity of LOX expression was evidently enhanced in the cytoplasm of the cells in the TGF-β2-treated group.Conclusions TGF-β2 upregulates the expressions of LOXs in human TFs in a dose-and time-dependent manner,which probably offers a basis for the further study on the prevention of filtering bleb scarring after glaucoma surgery.

Objective To compare the planned radiation dose and the actual dose received after 125I radioactive seeds implantation supported by coplanar template (CPT) in lung cancer patients with mediastinal node metastases 4R,and to evaluate the clinical efficacy.Methods Totally 32 patients with lung cancer with mediastinal lymph node metastases 4R who had been diagnosed via cellular pathology studies were selected from January 2008 to December 2014.The mediastinal lymph node metastases were treated by CPT-assisted 125I radioactive seed implantation.Digital imaging and communications in medicine (DICOM) data were acquired by chest CT scan before implantation,brachytherapy radiation treatment planning system (BTPS) was introduced to carry out the plan,and the prescribed dose(PD) was 120 Gy.CPT was used to control the precision of needle penetration and implantation of radioactive seeds.Computer tomography (CT) was used to ensure the correct position of needles and radioactive seeds.Dose evaluation was performed immediately after implantation and was compared with planned dose using paired t-test.The 6-months postoperative chest CT was conducted to evaluate treatment efficacy according to response evaluation criteria in solid tumors(RECIST Version 1.1).Results All patients went through implantation procedure successfully.Dose evaluation after implantation was as followed.The average dose received (231.9 ±29.6)Gy,the dose received by 90％ of the target(D90) (150.8 ± 16.6) Gy,the dose received by 100％ of the target(D100) (100.4 ± 12.6)Gy,the volume of 100％PD covering the target(V100)(94.1 ± 2.6) ％,the volume of 200％ PD covering the target(V200) (33.0 ± 5.7) ％,the conformal index (CI) 0.75 ±0.06,the external index(EI) (22.7 ± 5.8)％,the average dose received by the superior vena cava (19.3 ± 7.2)Gy,and the average dose received by aorta (12.1 ± 5.1)Gy.Efficacy was followed for 6 months after implantation and the effective rate was 84.37％.There was no serious complications (such as radioactive lung injury,major vascular injury,bleeding,and et al.) occurred in follow-up period.Conclusions CPT assisted CT guided 125I radioactive seed imnplantation in treating mediastinal node metastases 4R can achieve preoperative BTPS,minimize major vascular or organ injury.It is an accurate,effective and safe treatment approach and may be of great value to standardize the procedure of radioactive seed implantation in mediastinal metastases.