To study the chemical components and the antifungal activity of extraction from conidia of Trichoderma viride LTR-2.The extraction were obtained by distilling with Methylene dichloride from conidia of Trichoderma viride LTR-2 cultured on wheat bran solid matrix.Antifungal activity were determined by mycelium growth method.The chemical components of the extraction were analysed by GC-MS,the relative components in the extraction were determined by area normalization.The extraction not only have broad-spectrum control,showed antibiosis against eleven different plant fungal pathogens in PDA dish,such as Rhizoctonia solani,Alternaria brassica,Verticillium dahliae,Macrophoma kawatsukai,Fusarium moniliforme,Botrytis cinerea,Rhizoctonia cerealis,Fusarium oxysporum f.sp.vasinfectum,Bipolaris sorokinana,Fusarium graminearum,Alternaria.mali,but also have high inhibitory effect,and had 89.3% suppressive rate to Rhizoctonia cerealis.About sixty components were separated and identified by GC-MS,majority components were Hydrocarbon,the number of the Hydrocarbon were fourty-three kinds.Ergosterol was the major chemical components of the extract,and has 41.90% content.Other components comprised:Ketone,Organic acid,Alcohol,Ene,et al.Conclusion:The extraction from conidia of Trichoderma viride LTR-2 have antifungal activity.The extration comprised 2H-Pyran-2-one,5,6-dihydro-6-pentyl,it has 2.35% content.reference others literature,2H-Pyran-2-one,5,6-dihydro-6-pentyl may be the suppressive component of the extration.

Objective To investigate the vascular effect of hydroxyl-safflor yellow A(HSYA) on rat thoracic aorta and its underlying mechanism. Methods The tension of isolated thoracic aorta rings of rats perfused with different concentrations of HSYA(1?10-6-1?10-4 mol/L) was measured using organ bath technique.The effects of HSYA on the vasocontraction induced by cumulative phenylephrine(PE)(1?10-6-1?10-4 mol/L),KCl(6?10-2 mol/L) and CaCl2(1?10-5-3?10-3 mol/L) were recorded respectively. Results HSYAcaused a concentration-dependent anti-contraction effects by KCl or PE in endothelium-intact and endothelium-denuded aortic rings.HSYA inhibited the CaCl2-induced contraction and downward shifted concentration-response curve of aortic rings.HSYA+HP resulted in more significant anti-contraction effect than single use of HSYA(P0.05).There were significant differences in anti-contraction effect between HSYA+RR and RR or HSYA(P

OBJECTIVETo confirm the medicinal plants of Gramineae and their distribution in Guiyang city.

METHODThrough field investigations and comparing the collected speciments and literatures, the geographical distribution and functions of the medicinal species were investigated.

RESULT24 new medicinal species of Gramineae were found in Guizhou, while 5 species were absent in Guizhou. And 1 was first recorded for medicinal uses, 3 species newly added, and the latin name of 1 species was corrected.

CONCLUSIONThere are 72 medicinal species and 4 varieties in Guiyang.

China ; Conservation of Natural Resources ; Drugs, Chinese Herbal ; isolation & purification ; therapeutic use ; Medicine, Chinese Traditional ; Pharmacognosy ; Phytotherapy ; Plants, Medicinal ; chemistry ; classification ; Poaceae ; chemistry ; classification

OBJECTIVETo review the species and distribution of the medicinal plants peculiar to Guizhou and provide evidence for application, protection and collection.

METHODOpen-air investigation, data collection and specimen identification.

RESULTMore than eighty kinds of the medical plants peculiar to Guizhou have been identified.

CONCLUSIONGuizhou has a diversity of medicinal plants. The area of distribution of most species is restricted and the population is small. Some of the species have higher medicinal and scientific research values.

Berberis ; classification ; China ; Conservation of Natural Resources ; Epimedium ; classification ; Gynostemma ; classification ; Pharmacognosy ; Plants, Medicinal ; classification

Child ; Epiphyses ; Fracture Fixation, Internal ; Humans ; Lower Extremity

Animals ; Chimera ; Humans ; Liver ; Mice

OBJECTIVETo explore the clinical effects of locking plates in the treatment of intertrochanteric hip fractures.

METHODSFrom February 2006 to December 2008,108 patients with intertrochanteric hip fractures treated with locking plate and DHS were retrospective analyzed. Fifty-one patients were treated with locking plates, including 23 males and 28 females, aged 45 to 86 years old (averaged 66.0 years old); and fifty-seven patients were treated with DHS, including 26 males and 31 females,aged 43 to 81 years old (averaged 64.1 years old). The outcome measures collected for statistical analysis on the following aspects: operative time, blood loss, drainage, healing time, complications and Harris scores.

RESULTSOne hundred and eight patients were followed up ranging from 8 to 24 months (averaged 12.5 months). In locking plate group, the operative time was (87 +/- 14) minutes; blood loss was (367 +/- 213) ml; drainage was (63 +/- 14) ml; healing time was (11.9 +/- 3.4) weeks; 7 patients had complications; and the Harriss score was (85 +/- 6). While in DHS group, the operative time was (115 +/- 23) minutes; blood loss was (582 +/- 243) ml; drainage was (98 +/- 16) ml; healing time was (12.4 +/- 2.5) weeks; 9 patients had complications; and the Harriss score was (84 +/- 8). There were no significant differences in the healing time, complications and Harris scores between two groups (P > 0.05),but there were significant differences in the operative time,blood loss, drainage between two groups (P < 0.05). Comparing with DHS group, the locking plate group was of shorter operative time, fewer blood loss and drainage.

CONCLUSIONProximal femoral locking plate is simple, minimally invasive,stable fixation with fewer complications, and is an effective method for intertrochanteric hip fractures.

Adult ; Aged ; Aged, 80 and over ; Bone Plates ; Bone Screws ; Case-Control Studies ; Female ; Follow-Up Studies ; Fracture Fixation, Internal ; adverse effects ; instrumentation ; Hip ; physiopathology ; surgery ; Hip Fractures ; physiopathology ; surgery ; Humans ; Male ; Middle Aged ; Postoperative Complications ; Treatment Outcome

Objective To investigate the characteristics of EGFR,ALK and ROS1 mutations in patients with non-small cell lung cancer (NSCLC) in South of China and its relationship with clinical features.Methods The tumor tissues and corresponding clinical data of 76 NSCLC patients in South of China from November 2016 to June 2017 were collected.The mutations of EGFR,ALK and ROS1 were detected by ARMS assay with Joint detection kit.Meanwhile,the correlation between gene mutation rate and clinical features was analyzed.Results The mutation rate of EGFR was 67.3％ (42/76) in 76 patients with NSCLC in South of China,19 del and L858R mutations were the main mutation types.There was a co-mutation including 19 del and L858R.The positive rate of ALK gene fusion was 17.1％ (13/76),and 4 cases of ALK gene fusion combined with EGFR mutation were detected.The positive rate of ROS1 gene fusion was 1.3％ (1/76),and there was no co-mutation with other genes.Compared with ROS1,EGFR and ALK mutation rate was higher,the difference was statistically significant (x2 =54.515,P =0.000;x2 =11.329,P =0.001).The mutation rate of EGFR in non-smoking NSCLC patients was significantly higher than that in smokers (x2 =4.578,P=0.032),while the mutation rate of ALK and ROS1 was not statistically significant (x2=0.000,P＞0.05).There was no statistically significant difference in EGFR,ALK and ROS1 gene mutation rates among NSCLC patients of different age,sex and histology (x2 =0.000 ～ 2.219,P＞ 0.05).Conclusion EGFR,ALK and ROS1 gene mutations can be seen in patients with NSCLC in South China,in which EGFR and ALK gene mutation rate is higher.

Objective To study the sensitivity and specificity of a double monoclonal antibody sandwich enzyme-linked immunosorbent assay (DMcAbS-ELISA)for the detection of F1 antigen of Yersinia pestis (Y.pestis).Methods Viscera (viz.liver and spleen)specimens of infected mice with virulent Y.pestis and negative control mice were detected by bacteriological test,DMcAbS-ELISA and reverse indirect hemagglutination assay (RIHA) for the F1 antigen.Results The 225 control specimens were all negative tested by plague bacteriology testing,DMcAbS-ELISA and RIHA.A total of 308 plague-infected mouse organ specimens were tested,and the positive detection rate was 92.21％ (284/308),90.91％(280/308) and 89.61％ (276/308),respectively,with germiculture,DMcAbS-ELISA and RIHA,and the difference was not statistically significant(x2=5.65,P＞0.05).The coincidence rate of DMcAbS-ELISA and bacterial culture was 97.00％[(274+243)/533],Kappa =0.940;RIHA in line with the rate was 99.25％[(276+253)/533],Kappa =0.985.Authenticity comparison of F1 antigen detection in viscera specimens:sensitivity,specificity,positive predictive value,negative predictive value,adjusted agreement and Youden's index was 96.48％(274/284),97.59％(243/249),97.86％ (274/280),96.05 ％(243/253),96.99％[1/4×(274/280+274/284+243/253+243/249)]and 0.9407,respectively,for DMcAbS-ELISA and 96.13％(273/284),98.80％(246/249),98.91％(273/276),95.72％(246/257),97.39％[1/4×(273/276+273/284+246/257±246/249)]and 0.9492,respectively,for RIHA.The detection sensitivity of DMcAbS-ELISA and RIHA was 2.7×104 cfu/ml and 2.2×105 cfu/ml,for Y.pestis,respectively,and was 10 μg/L for F1 antigen.Conclusions DMcAbS-ELISA assay is a sensitive,specific,simple and fast method for detection of the F1 antigen,and it has a potential application value in rapid diagnosis of plague.

OBJECTIVESTo determine the expression of nitric oxide synthase (NOS) in testis and to investigate the effects of NO on the reproductive function of testis.

METHODSTestes of adult male Sprague-Dawley rats were fixed in 4% paraformaldehyde. The paraffin sections were made as routine. Immunohistochemical ABC method was used to observe the localization of NOS.

RESULTSEndothelia NOS (eNOS), neuronal NOS (nNOS) and inductive NOS (iNOS) were all expressed in Leydig cells. Only eNOS was expressed in peritubular myoid cells, endothelial and smooth muscle cells of blood vessel, while only nNOS expressed in tunica adventitia of testicular blood vessels. The reactive substance distributes in cytoplasm with negative nuclei. Immunoreactivity for eNOS, nNOS and iNOS in all spermatogenic cells was negative.

CONCLUSIONSThree kinds of NOS were all expressed in testis and the distribution of different NOS had a little difference.

Animals ; Immunohistochemistry ; Male ; Nitric Oxide ; biosynthesis ; Nitric Oxide Synthase ; analysis ; Rats ; Rats, Sprague-Dawley ; Testis ; enzymology