1.Effect of Metal Ions on Cell Growth and Phenol Degradation of a Thermophilic Strain BF80
Microbiology 1992;0(06):-
The effect on the growth and phenol degradation of the thermophilic strain BF80 by seventeen different metal ions were studied. The results showed that the metal ions certainly affected the growth and phenol degradation of the strain BF80. At the concentration of 0.01%,contrasting to the comparison,the growth and phenol degradation of the strain BF80 were restrained intensively by the metal ions of Cu2+,Zn2+,Co2+,Ba2+,Hg2+,Ni2+,Ag+,Al3+. The metal ions of Cr2+ restrained the phenol degradation of BF80 strongly while Cr2+ restrained the growth of BF80 faintly. The metal ions of Sn2+,Fe2+,Fe3+,Pn2+ restrained the growth and phenol degradation of the strain BF80 at a certain concentration,and the effect of inhibition in-creased with the increase of the concentrations of the metal ions. At the low concentration of Mn2+ or Mo2+,the growth and phenol degradation of the strain BF80 were increased,but if the concentration beyond the 0.1%,the growth and phenol degradation of the strain BF80 were inhibited. At the different concentration of Ca2+ or Mg2+,the growth of the strain BF80 were increased and the phenol degradation were accelerated,but the max rate of phenol degradation by BF80 was not influenced obviously. When the medium was added themixture of metal ions of Mo2+ and Mn2+,the strain BF80 grew better,but the rate of the phenol degradation was lower than that of single Mo2+ and Mn2+.
2.Clinical analysis of hypothyroidism during pregnancy
Yun-Feng WANG ; Hui-Xia YANG ;
Chinese Journal of Obstetrics and Gynecology 2001;0(03):-
0.05).The required dose of LT4 during the second and third trimester was respectively,remarkably increased compared to pre-gestational period (P
3.Treatment for thoracolumbar fracture with SCOFIX system
Yun-Feng ZHANG ; Hai-Yang CUI ;
Chinese Journal of Primary Medicine and Pharmacy 2006;0(12):-
Objective To study the clinical effect of SCOFIX on thoracolumbar fracture.Methods The clinical data of twenty-five cases with thoracolumbar fracture treated with SCOFIX system were retrospectively anal- ysed.Results With six to twenty-two months follow-up,anterior height of compressed vertebral bodies was restored from 46.8 %(12%~60%)preoperatively to 92%(90%~100%)postoperatively,and that of posterior height was from 77.5%(26%~86%)to 96.7%(90%~100%).Cobb's angle was from 15.7?(12?~26?)preoperatively to 1.4?(0?~6?)postoperatively.Conclusion SCOFIX system was simple structured,easily used and strongly fixed, and it was a good system in spinal internal fixation and for deeply reseach.
4.Research about the relationship of tissue factor, tissue factor pathway inhibitor-1, 2 with cancer metastases and thrombosis
Zhaoxia DUAN ; Feng LIU ; Yun FENG ; Linhua YANG
Cancer Research and Clinic 2010;22(4):228-230,234
Objective To evaluate the effect of tissue factor (TF), tissue factor pathway inhibitor-1,2 (TFPI-1,2) on cancer metastases and thrombosis complicated with cancer. Methods Blood samples from 292 cancer patients were collected and were divided into different teams according to cancer types,complicated with or without thrombosis; TF, TFPI-1, TFPI-2, plasma concentrations were measured by ELISA;Tissue expression of TF, TFPI-1, TFPI-2 were observed by immunohistochemical method. Results Plasma concentrations of TF and TFPI-1 in all kinds of cancers were higher than the control and lung cancer was the highest; TFPI-2 plasma concentrations had no statistics differences among all these teams. Tissue expression of TF of all kinds of cancer were higher than the adjacent tissues, lung cancer was higher than the other types of cancer. There were no statistics differences for TFPI-1 and TFPI-2. Both TF and TFPI-1 plasma concentrations of cancer with-or without-thrombosis were higher than control. TF was even higher in cancer with thrombosis team, TFPI-1 had no statistic difference between these two teams. TFPI-2 concentrations had no differences among all these teams. Conclusion Many kinds of tumor have higher expression of TF, it is expressed with different intensity according to different types of cancer. TFPI-1 has no clear effect in cancer growing and metastases. Unbalance of TF and TFPI-1 in plasma may relate to high coagulation state of cancer and may accelerate the thrombosis formation in cancer.
5.Improving patient satisfaction with the doctor-patient information exchange platform
Feng YANG ; Qiong HUANG ; Yun WANG ; Su XU ; Baohua YAN
Chinese Journal of Hospital Administration 2011;27(8):592-594
The paper described the necessity of the doctor-patient information exchange platform,and defects found in existing platforms. Such a platform is conducive to higher hospital informationization, better patient satisfaction, and better social and economic benefits of the hospital.The hospital may improve its quality of care and patient satisfaction by means of the platform
6.Dosimetric comparisons of volumetric modulated arc radiotherapy with fixed field dynamic intensity modulated radiotherapy for postoperative cervical carcinoma
Deyang YU ; Shanshan YANG ; Weikang YUN ; Lina FENG ; Yanling BAI
Practical Oncology Journal 2017;31(2):152-155
Objective The objective of this study was to compare the differences between Volumetric Modulated Arc Radiotherapy(VMAT)and Fixed Field dynamic Intensity Modulated Radiotherapy(dIMRT)in dose distribution of target and organ at risk and treatment time,and to provide basis for clinical treatment.Methods Ten patients with postoperative of cervical carcinoma were selected,VMAT and seven fields dIMRT plans were designed for each patient in Monaco 5.11 planning system.We compared the differences of dose distribution of target and organ at risk,monitor units and treatment time between VMAT and 7dIMRT.Results The average dose of target for VMAT plan(46.86 Gy)was higher than that of 7dIMRT plan(46.68 Gy)(P<0.05).The percentage of the V10 and V20 of rectum and the V30 of small intestine in VMAT plan was 0.63%,3.34% and 4.14% higher than that in 7dIMRT plan,respectively(P<0.05).The conformal index(CI),homogeneity index(HI)of PTV and the other exposure dose of organ at risk for both plans were no significant differences.The average monitor units and treatment time of VMAT plan were 13.4% and 50.6% than that of 7dIMRT plan,respectively(P<0.05).Conclusion The dose distribution of VMAT plan is better or equal to that of 7dIMRT plan,but the monitor units and treatment time of VMAT plan is decreased significantly,we suggest that VMAT plan should be used for postoperative of cervical carcinoma in clinical.
7.Characterization and Analyses of the Full-length Genome of a Strain of the Akabane Virus Isolated from Mosquitoes in Yunnan Province, China.
Yun FENG ; Yuzhen ZHANG ; Weihong YANG ; Hailin ZHANG
Chinese Journal of Virology 2016;32(2):161-169
We wished to sequence the full-length genomes of the DHL10M110 strain of the Akabane virus (AKV) isolated from mosquitoes in Yunnan Province, China, in 2010. We also wished to analyze the characteristics of these complete nucleotide sequences. The complete genomic sequence of the DHL10M110 strain from Yunnan Province was obtained by reverse transcription-polymerase chain reaction and direct sequencing. We found that the length of the L, M and S gene nucleotide sequences of the DHL10M110 strain were 6 869-bp, 4 309-bp and 856-bp, respectively, including the open reading frame (ORF) nucleotide sequences of 6 756-bp (L), 4 206-bp (M) and 702-bp (S), encoding 2252, 1402 and 234 amino-acid polyproteins, respectively. Phylogenetic analyses based on L-fragment ORF showed that the DHL10M110 strain had a close relationship with the OBE-1 strain of the AKV from Japan and AKVS-7/SKR/2010 strain of the AKV from South Korea. Phylogenetic analyses based on M- and S-fragment ORF showed that the DHL10M110 strain had a close relationship with the epidemic strains of the AKV from Japan, South Korea and Taiwan, but that the DHL10M110 strain had a lone evolutionary branch. In terms of nucleotide (amino acid) homology, the similarity of L-, M- and S-fragment ORFs of the DHL10M110 strain to the OBE-1 strain from Japan was 92.6% (98%), 88.5% (94%) and 96.4% (99.1%), respectively. When comparing the DHL10M110 strain with the OBE-1 strain, we noted 45, 84, and 2 different sites in the amino acids of L, M and S fragments, respectively. Homology and phylogenetic analyses also suggested that the DHL10M110 strain had a distant relationship with the epidemic strains of the AKV from Kenya and Australia. Also, we confirmed by complete genomic sequence analyses that the DHL10M110 strain was clade-Asia of the AKV. However, differences between the DHL10M110 strain compared with strains from Japan and South Korea were also noted. These results suggest that the DHL10M110 strain harbored relatively stable genetic characteristics and distinct regional features. This is the first time that full-length genomic sequences of the DHL10M110 strain of the AKV in mainland China have been obtained.
Amino Acid Sequence
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Animals
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Base Sequence
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Bunyaviridae Infections
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transmission
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virology
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China
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Culicidae
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virology
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Female
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Genome, Viral
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Humans
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Insect Vectors
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virology
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Male
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Molecular Sequence Data
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Open Reading Frames
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Orthobunyavirus
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classification
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genetics
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isolation & purification
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Phylogeny
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Sequence Alignment
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Viral Proteins
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chemistry
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genetics
9.Medical voucher system in Hong Kong and Macao and its implications to mainland China
Feng CHANG ; Qiang XIA ; Yun LU ; Penglei CUI ; Shasha YANG
Chinese Journal of Health Policy 2015;8(3):40-45
It is important and difficult to establish the market competition mechanism in the health care re-form. Medical voucher system in Hong Kong and Macao can provide policy guidelines for Mainland China to promote institutional innovation, force public hospital reform and the rational allocation of medical and health resources. This paper introduced the origin and development of medical voucher system. Based on the description of the implementa-tion background, similarities and differences and effects of medical voucher system in Hong Kong and Macao, the pa-per found that medical voucher system could help encourage the demander to make more frequent use of medical serv-ices, improve their consciousness of prevention and health care and promote family doctor system. Through analyzing the applicability of medical voucher system in mainland China, the paper pointed out it was consistent with the reform orientation and could be served as a useful supplement to the health care system to improve medical insurance, medi-cal assisstance system as well as an effective measure to develop private medical institutions.
10.Clinical study of patients with nasal NK/T cell lymphoma associated hemophagocytic syndrome
Feng NING ; Jinxwen WANG ; Liqiang WEI ; Yun QIAN ; Lei YANG
Journal of Leukemia & Lymphoma 2012;21(1):38-41
Objective To study clinical features, treatment and prognosis of nasal NK/T cell lymphoma associated Hemophagocytic Syndrome (HPS).Methods Retrospectively analysis method was used to analyze the clinical data of 3 patients with nasal NK/T cell lymphoma associated HPS. Results 3 patients with nasal NK/T cell lymphoma fulfilled the criteria of HPS. All patients had adverse prognostic factors of lymphoma.1 patient developed HPS as the main primary manifestations of underlying lymphoma,the other 2 patients developed HPS during lymphoma progression. In three cases, bone marrow was infiltrated with lymphoma cells.When HPS occurred,the disease progressed rapidly.The most obvious clinical features were fever,pancytopenia,hypofibrinogenemia,hyperferritinemia,and hemophagocytosis in bone marrow. After being treated according to the HLH-2004 combined with chemotherapy, all patients showed a clinical response,but with the progression of lymphoma,HPS quickly relapsed,and all patients died of severe hepatic dysfunction,coagulopathy,or DIC.Conclusion Nasal NK/T lymphoma associated HPS is an invariably fatal disease with poor prognosis,typically occurring at advanced stage or the terminal phase of the disease.HLH-2004 based protocol in combination with chemotherapy is helpful for nasal NK/T cell lymphoma associated HPS,which may delay disease progression and provid opportunities for the treatment of primary disease.