Objective: To study the scavenging capacity of extract from four kinds of barley leaves on superoxide free radical and hydroxyl free radical. Methods: Measure the content of superoxide free radical and hydroxyl free radical by nitro blue tetrazolium(NBT) photo-reduction. Results: Along with the flavonoid in the reaction liquid, the scavenging rate shows ascending trend . When the concentration of flavonoid is 12?g/ml, its scavenging rate is 95.56% and 94.12% on superoxide free radical and hydroxyl free radical respectively. Conclusion: The flavonoids of barley leave s have stronger anti-oxidative action.

AIM: To evaluate and analyze the morphological property and physiological activity of cartilaginous loose bodies in the knee joint, to research the changeable mechanism of histological morphous and physiological function. METHODS: The experiment was conducted at the Department of Pathology of the First Affiliated Hospital of Anhui Medical University, the Physical Testing & Chemical Analysis Center of Anhui Medical University, and the Electron Microscope Center of Anhui Provincial Hospital Affiliated to Anhui Medical University from January 2005 to January 2006. ①Experimental samples were 30 cartilaginous loose bodies all through arthroscopy as experimental group in which Group A (less than 6 months) had 14 samples and group B (between 6 and 12 months) 10, group C (more than 12 months) 6. Another 30 control samples were originated from non-weight loading side of articular cartilage through special equipment by arthroscopy. ②All samples were carried out the morphological measurement, light and transmission electron microscope exam, Ⅱ-collagen immunohistochemical stain, the measurement of collagen, calcium and fosforus. RESULTS: ①To compare the samples in the group A and control group, they had the identical or similar morphosis, microscopic structure of chondrocyte and distribution of extracellular matrix, the statistical treatments of the content of calcium, fosforus and collagen showed that the differences of scores between two groups were not statistically significant [calcium:(3.120?0.224),(3.090?0.231) mg/g;fosforus:(0.432?0.045),(0.455?0.067) mg/g;collagen:(462.43?17.12)(466.71?14.59) mg/g]. General speaking, comparing with the control articular cartilage, the loose bodies in group A had the normal histological property and physiological activity. ②Compared with control group, the samples in group B and C had the tendency of fibrous degeneration: necrotic or degenerative chondrocytes increasing, the contents of proteoglycan and Ⅱ-collagen decreasing, the tendency in group C more than group B, but the cartilaginous loose bodies in group B and C had many active chondrocytes mainly. Total content of collagen [(441.20?16.49),(417.33?8.38) mg/g] and Ⅱ-collagen decreased, while the contents of calcium and fosforus increased [calcium: (3.696?0.442),( 6.469?0.555) mg/g;fosforus:(0.523?0.068),(0.683?0.056) mg/g]. Generally, compared with the control articular cartilage, the histological property and physiological activity of the loose bodies in groups B and C had changed. CONCLUSION: The cartilaginous loose bodies can remain its histological property and physiological activity in the knee articular cavity for a long time, but it has the tendency of disorganization and physiological activity descending as time prolongs.

Adenoma ; pathology ; Carcinoma, Renal Cell ; pathology ; Diagnosis, Differential ; Female ; Humans ; Kidney Neoplasms ; pathology ; Middle Aged

BACKGROUND:Surface marker molecules and differential ability of human adipose tissues-derived mesenchymal stem cells can change with the prolonged culture time.OBJECTIVE:To analyze the morphological characteristics and colony forming capacity of early cultured rabbit adipose tissues-derived mesenchymal stem cells in vitro.DESIGN,TIME AND SETTING:The cytological in vitro study was performed at the Institute of Ophthalmology,and Central Laboratory,Eye and ENT Hospital,Fudan University from January to March 2008.MATERIALS:Nine female New Zealand rabbits aged three months were obtained from the Shanghai Yingenyang Rabbit Room.METHODS:Adipose tissue was harvested from the nape fat pad of the New Zealand rabbits following anesthesia.Primary cultured cells were established using type I collagenase and cell cultures were maintained with DMEM containing 0.1 volume fraction of fetal bovine serum.Cells were passaged when 80% was confluent.The second,third and fourth passages of cells were utilized for the study.MAIN OUTCOME MEASURES:The morphology of adipose tissues-derived mesenchymal stem cells was observed using inverted microscope.Cell phenotype was detected utilizing flow cytometry.The cloning capacity was determined.RESULTS:Adipose tissues-derived mesenchymal stem cells were fibroblast-like and proliferated rapidly in vitro at the second,third and fourth passage.Flow cytometry showed that adipose tissues-derived mesenchymal stem cells expressed CD29 and PCNA.The colony-forming rates were respectively(8.0?0.6)%,(6.7?0.4)% and(4.6?0.5)%(F=12.18,P

? AIM: To observe the efficacy and safety of the phacoemulsification combined with goniosynechialysis and the phacoemulsification combined with trabeculectomy for angle-closure glaucoma ( ACG ) with different closure conditions accompanied with cataract.?METHODS:A total of 65 patients (70 eyes) with primary ACG accompanied with cataract were selected from those admitted in our hospital and were given phacoemulsification with goniosynechialysis ( group A, 30 patients with 33 eyes ) and the phacoemulsification with trabeculectomy ( group B, 35 patients with 37 eyes ) according to the conditions of the closed anterior angle, respectively. The two groups of patients were observed for preoperative and postoperative intraocular pressure ( IOP ) , vision, anterior chamber depth, and complications, and were followed up for 6. 5mo (6-8mo) on average.?RESULTS: Mean postoperative IOP in either group A or group B at 1mo after operation was of statistically significant difference, compared with mean preoperative IOP (P<0. 05). Postoperative 1-week vision in each group was of statistically significant difference, compared with preoperative vision (P<0. 05). Postoperative 1-month mean anterior chamber depth in each group was of statistically significant difference, compared with preoperative anterior chamber depth (P<0. 05). There were no significant differences between the two groups on postoperative 1-month mean anterior chamber depth ( P>0. 05) and postoperative complications (P>0. 05).?CONCLUSION: Clinical doctors can choose appropriate treatment according to different conditions of the closed anterior angle in patients with primary angle- closure glaucoma.

Objective : To analyze the characteristics of HIV/AIDS cases with non-marital or non-commercial heterosexual transmission in Hangzhou, and the influencing factors for new infection and local infection, so as to provide the evidence for AIDS prevention and control. Methods : From 2017 to 2019, the newly reported HIV/AIDS cases with non-marital or non-commercial heterosexual transmission in Hangzhou were recruited, and their demographic information, previous sexual behaviors and history of HIV testing were collected in the questionnaire survey. The multivariate logistic regression model was used to analyze the influencing factors for new infections and local infections. Results : A total of 522 participants from 668 newly reported HIV/AIDS cases with non-marital or non-commercial heterosexual transmission in Hangzhou during this period were surveyed．Among 522 cases, 263 ( 50.38% ) were aged 40 years or above, 218 ( 41.76% ) were married, 326 ( 62.45% ) had an educational level of junior high school or below, and 340 ( 65.13% ) were not local. Among 504 cases whose infection time could be determined, 72 ( 14.29% ) were newly infected within one year; age of 40 years below ( OR=4.148, 95%CI: 1.956-8.795 ), history of HIV testing ( OR=2.049, 95%CI: 1.163-3.609 ) and history of sexually transmitted diseases ( OR=2.169, 95%CI: 1.076-4.374 ) were risk factors for new infection. Among 454 cases whose infection location could be determined, 267 ( 58.81% ) were infected in Hangzhou; educational level of high school or below ( OR=2.538, 95%CI: 1.252-5.145 ) , Hangzhou residence ( OR=7.835, 95%CI: 4.227-14.353 ), living in Hangzhou for a year or over ( OR=18.960, 95%CI: 8.755-41.060 ) and monthly income of 3 000 yuan or over ( OR=2.630, 95%CI: 1.546-4.474 ) were risk factors for local infection. Conclusions The HIV/AIDS cases with non-marital or non-commercial heterosexual transmission in Hangzhou are mainly floating population and less educated. The newly infected cases are more likely to be young and middle-aged people and patients with sexually transmitted diseases, the locally infected cases are more likely to be people with permanent residence, less educated and high income.

OBJECTIVETo analyze the effect of Chinese herbs used by Prof. LI Tao on peripheral blood T subsets in treating multiple sclerosis (MS) by using association rules and statistical methods, thereby providing evidence for optimizing prescriptions.

METHODSData of MS inpatients and outpatients recorded by data collecting system, Xiyuan Hospital, China Academy of Chinese Medical Sciences were resorted. The relationship between Chinese herbs and T cell subsets were analyzed using SPSS17.0 and Aprior module in SPSS Clementine 12.0.

RESULTSRadix bupleuri, Radix Paeoniae alba, Fructus Aurantii, Atractylodes, and Radix Glycyrrhizae were most commonly used herbal combinations.Radix Aconiti lateralis preparata and Rhizoma Smilacis glabrae were often added. Radix Aconiti lateralis preparata was associated with decreased Th1 cells (confidence level 83.78%, supportive level 36.26%). Decreased Th1 cell was associated with Radix Aconiti lateralis preparata (confidence level 71.26%, supportive level 36.26%).Radix Aconiti lateralis preparata was obviously associated with decreased Th1 cells. Radix Bupleuri, Radix Paeoniae alba, bitter orange, Atractylodes , Radix glycyrrhizae, and Radix Aconiti lateralis preparata could reduce peripheral blood Th1 subsets of MS patients and elevate Th2 subsets (all P < 0.01).

CONCLUSIONSThe herbal combination of Radix Bupleuri, Radix Paeoniae alba, Fructus Aurantii, Atractylodes, Radix Glycyrrhizae, Rhizoma Smilacis glabrae, and Radix Aconiti lateralis preparata could lower peripheral blood Th1 cells and elevate Th2 cells, and prevent the relapse of MS possibly by reducing Th1 cells and elevating Th2 cells. Especially Radix Aconiti lateralis preparata played important roles in aforesaid changes of Th1 and Th2.

Aconitum ; chemistry ; Atractylodes ; chemistry ; Bupleurum ; chemistry ; China ; Drugs, Chinese Herbal ; therapeutic use ; Fruit ; chemistry ; Glycyrrhiza ; chemistry ; Humans ; Multiple Sclerosis ; therapy ; Paeonia ; chemistry ; Plant Roots ; chemistry ; Rhizome ; chemistry ; Smilacaceae ; chemistry ; T-Lymphocyte Subsets ; drug effects

OBJECTIVETo study the effect of Qinghuang Powder (QHP) combined Chinese herbs for Pi-strengthening and Shen-reinforcing (CHPSSR) on hypoxia-inducible factor 1alpha (HIF-1alpha) in bone marrow mononuclear cells of myelodysplastic syndrome (MDS) patients.

METHODSChanges of HIF-1alpha in bone marrow mononuclear cells of MDS patients were detected in 25 MDS patients treated by QHP combined CHPSSR using flow cytometry. Meanwhile, 13 healthy subjects were recruited as the control group. Changes HIF-1alpha levels in various serial bone marrow mononuclear cells were detected.

RESULTS(1) Among the 25 patients in the treatment group, there were 19 patients effective and 6 patients ineffective, with the total effective rate being 76%. (2) Compared with before treatment, levels of peripheral blood WBC, Hb, PLT, and ANC significantly increased in the treatment group after treatment, showing statistical difference (P < 0.05, P < 0.01). (3) Compared with before treatment, the HIF-1alpha mean fluorescence intensity was enhanced in bone marrow lymphocytes, monocytes, granulocytes, and nucleated red blood cells of the treatment group after treatment (P < 0.05, P < 0.01). Compared with the control group, the HIF-1alpha mean fluorescence intensity was weakened in bone marrow lymphocytes, monocytes, and nucleated red blood cells of the treatment group before treatment; while it was obviously enhanced in granulocytes (P < 0.01). But after treatment the HIF-1alpha mean fluorescence intensity increased more in the granulocytes of the treatment group than in those of the control group (P < 0.01), but there was no statistical difference in bone marrow lymphocytes, monocytes, or nucleated red blood cells.

CONCLUSIONQHP combined CHPSSR could improve HIF-1alpha levels in bone marrow lymphocytes, monocytes, granulocytes, and nucleated red blood cells of MDS patients, thus improving Hb levels of MDS patients, and improving their anemia and correlated symptoms.

Adolescent ; Adult ; Aged ; Arsenicals ; therapeutic use ; Bone Marrow ; Bone Marrow Cells ; drug effects ; metabolism ; Case-Control Studies ; Drugs, Chinese Herbal ; therapeutic use ; Female ; Humans ; Hypoxia-Inducible Factor 1, alpha Subunit ; metabolism ; Male ; Middle Aged ; Monocytes ; drug effects ; metabolism ; Myelodysplastic Syndromes ; drug therapy ; metabolism ; Phytotherapy ; Young Adult

Objective To evaluate the clinical efficiency and seeurity of SilverHawk directional atherectomy device in treating arteriosclerosis obliterans of lower extremity.Methods Seyen patients with lower extremity ischemia were treated with SilverHawk directional atherectomy.The lesions length varied from 1.8 to 14.5 cm.Clinical symptoms(Fontaine classification)included 4 cases of grade Ⅱ b,1 case of grade Ⅲ,2 cases of grade Ⅳ.The ABI varied from 0.28 to 0.65.Patency was evaluated with color duplex sonography or CTA besides clinical examination during follow-up.Results Seven occlusive lesions were recanalizated successfully.The technical success(residual stenosis<30%)rate was 100%. Clinical symptoms were obviously improved or disappeared.The ABI varied from 0.82 to 1.18(P=0.002),and Fontaine classification included 6 cases of Ⅰ:1 case of Ⅱ a.Patency rate was 100%and the ABI varied from 0.75 to 1.14(P=0.938).Fontaine classifications keep consistent l-6 nonths after operation.Conclusion SilverHawk drectional atherectomy Was a safe and effective way for treatment of lower arteriosclerosis obliteran.