1.Status quo and influencing factors of hyperlipidemia management in patients with contracted family doctor service
Beibei SONG ; Ai FENG ; Yuming DONG ; Jing DING ; Xue CHEN
Chinese Journal of General Practitioners 2021;20(3):321-326
Objective:To evaluate the status quo and influencing factors of hyperlipidemia management in patients with contracted family doctor service in the community.Method:The baseline data and blood lipid testing results of 752 hyperlipidemia patients (334 males and 418 females) with contracted family doctor service in Yuetan Community Health Service Center from November?2019 to May 2020 were collected. The hyperlipidemic patients were managed by family doctors based on atherosclerotic cardiovascular diseases(ASCVD) riks assessment. The ASCVD risk levels and low-density lipoprotein cholesterol (LDL-C) compliance rate of patients with different general data were compared, and the influencing factors of LDL-C control failure were analyzed by logistic regression.Results:The ASCVD risk assessment showed that among 752 patients there were 172 cases of low risk(22.87%), 167 cases of moderate risk(22.21%),352 cases of high risk(46.81%) and 61 cases of extremely high risk(8.11%). A significant difference was detected in sex,rate of smoking,incidence of overweight or obesity among patients with different ASCVD risk levels ( P<0.05).The overall control rate of LDL-C was 48.8% (367/752), that for low, moderate, high and extremely high risk patients were 83.73% (144/172), 53.89% (90/167), 34.38% (121/352) and 19.67%(12/61), respectively. A significant difference was detected in sex(female: 52.87%, 221/418),age(aged over 80: 58.82%, 110/187), rate of smoking (non-smoking:52.40%, 327/624) and medication compliance (good compliance:52.87%,221/418) between LDL-C control and uncontrol groups (χ2=6.323,11.816,19.022,25.274; P<0.05). Multiple logistic regression analysis revealed that male gender ( OR=1.800,95% CI:1.325-2.419), smoking ( OR=2.630,95% CI:1.726-4.007) and poor medication compliance ( OR= 2.179, 95% CI: 1.581-3.003) were independent risk factors for uncontrolled LDL-C levels. Conclusion:Patients with hyperlipidemia have a relatively high risk of cardiovascular diseases, and their blood lipids are not well controlled. The management of blood lipid should be enhanced in patients with chronic diseases, particularly for male patients with smoking and poor medication compliance.
2.Effect of RNA interference on the bionomics of Cathepsin L of hepatoma carcinoma cells
Yun JIN ; Ding LUO ; Junhua AI ; Jiahong DONG
Chinese Journal of Hepatobiliary Surgery 2010;16(12):931-934
Objective To explore the effect of RNA interference on the bionomics of Cathepsin L of hepatoma carcinoma cells. Methods In this study, the experimental group was the Cathepsin L RNA interference group. Control groups were the normal blank hepatoma carcinoma cell group (the blank group) and the Cathepsin LRNA interference blank group (the fluorescence control group). Observing times were ld,3d and 6d after RNA interference. Transfection efficiency in each group was observed. Expression of Cathepsin L of hepatoma cells was detected by immunofluorescence, RT-PCR and WB. Cell vigor was detected by MTT assay. Changes in the cell cycle and apoptosis were observed by flow cytometry. Transwell cabin was used to detect the changes of cell invasive power.Results In the experimental group, Cathepsin L mRNA level and protein level significantly decreased, the proliferation index significantly decreased and apoptosis index significantly increased. The invasive power also decreased. Conclusion RNAi interference can inhibit Cathepsin L expression, cell proliferation and cell invasive power efficiently.
3.Neuroprotective Mechanism of Neuroglobin
Kai-Dong LIU ; Ding-Biao ZHOU ; Ai-Jia SHANG ;
International Journal of Cerebrovascular Diseases 2006;0(10):-
Neuroglobin is a newly discovered member of globulin family.It has neuronprotec- tive effect under the hypoxic and ischemic conditions.In order to make the acting mechanism of globulin clear,many theories have been raised,and corresponding experiments have been done. This article reviews the latest advances systematically in this field,and puts forward possible research directions in the future.
4.Effect of carbon disulfide on inducible nitric oxide synthase and apoptosis in retina of rats.
Jun-ming WANG ; Hong ZHANG ; Ai-dong DING ; Hong YANG
Chinese Journal of Industrial Hygiene and Occupational Diseases 2007;25(5):271-274
OBJECTIVETo investigate the effect of carbon disulfide (CS2) on inducible nitric oxide synthase (iNOS) and apoptosis in in the retina of rats.
METHODSTwenty-four male SD rats were randomly divided into 3 groups the control group, the group receiving high-dose CS2 and the group receiving low-dose CS2. After treatment, retina were harvested and made into slice. The thickness of inner retina including outer plexiform layer, inner nuclear layer, ganglion cell layer, optic nerve fiber and inner limiting membrane was measured. Expression of iNOS in retina was measured by NADPH-NDP histochemical assay. Apoptosis was detected by terminal deoxynucleotidyl transferase mediated dUTP nick end labeling (TUNEL).
RESULTS(1) The thickness of inner retina decreased in groups receiving CS2. There was significant difference between control group and groups receiving CS2 (P < 0.05). There was also significant difference between group receiving high-dose CS2 and group receiving low-dose CS2 (P < 0.05). (2) The expression of iNOS increased in groups receiving CS2. There was significant difference between control group and groups receiving CS2 (P < 0.05 or P < 0.01). There was also significant difference between the group receiving high-dose CS2 and the group receiving low-dose CS2 (P < 0.05). (3) Apoptosis was observed in groups receiving CS2. There were significant differences in apoptosis index between the control group and groups receiving CS2 (P < 0.05 or P < 0.01). There was also significant difference between the group receiving high-dose CS2 and the group receiving low-dose CS2 (P < 0.05).
CONCLUSIONSCS2 can evoke the expression of iNOS, and the nitric oxide thus produced can be one of the causes of retina destruction. And apoptosis is also one of the causes of retina destruction.
Animals ; Apoptosis ; drug effects ; Carbon Disulfide ; toxicity ; Male ; Nitric Oxide Synthase Type II ; metabolism ; Rats ; Rats, Sprague-Dawley ; Retina ; drug effects ; enzymology ; pathology
5.Establishment of HPLC-ESI-MS method for the determination of eplerenone in human plasma and its pharmacokinetics.
Wen-Juan QIAN ; Li DING ; Ai-Dong WEN ; Bin GONG ; Ye LENG ; Chang-Hong YUN ; Lin YANG
Acta Pharmaceutica Sinica 2009;44(7):771-777
A sensitive high performance liquid chromatography-electrospray ionization-mass spectrometry (HPLC-ESI-MS) method was established for the determination of eplerenone (EP) in human plasma. The plasma samples of EP were extracted with ethyl acetate and separated by HPLC on a reversed phase C18 column with a mobile phase of 10 mmol x L(-1) ammonium acetate water solution-methanol (30 : 70, v/v). EP was determined with electrospray ionization-mass spectrometry (ESI-MS) in the selected ion monitoring (SIM) mode. The calibration curves were linear over the range of 2-4 000 ng x mL(-1) for EP. The lower limit of quantification was 2 ng x mL(-1). The method has been successfully applied in the pharmacokinetic study of the EP tablets. The main pharmacokinetic parameters of EP after oral administration of 25 mg, 50 mg, 100 mg were as follows, t1/2: (4.9 +/- 2.1), (4.7 +/- 1.5), (5.9 +/- 1.2) h; AUC(0-infinity): (4 402 +/- 1 735), (8 150 +/- 2 509), (13 783 +/- 4 102) microg x h x L(-1); and MRT: (6.2 +/- 2.1), (6.6 +/- 1.3), and (7.2 +/- 1.6) h. Parameters of EP after oral administration of multiple doses of 50 mg were as follows, t1/2: (6.1 +/- 1.7) h; AUC(ss): (10 071 +/- 4220) microg x h x L(-1); MRT: (8.1 +/- 2.3) h; and DF: (3.2 +/- 1.0).
Chromatography, High Pressure Liquid
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methods
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Humans
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Spectrometry, Mass, Electrospray Ionization
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methods
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Spironolactone
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analogs & derivatives
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blood
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pharmacokinetics
6.Ultrastructural analysis of glioma stem cells-progenitors.
Yao-Dong ZHAO ; Qiang HUANG ; Tian-Yi ZHANG ; Jun DONG ; Ai-Dong WANG ; Fei DING ; Qing LAN ; Xiao-Song GU ; Zheng-Hong QIN
Chinese Journal of Oncology 2008;30(9):663-667
OBJECTIVEIt is well known that glioma stem cells-progenitors (GSCP) proliferate indefinitely and hardly differentiate in vitro, however, the reasons remain unknown. The aim of this study was to explore the ultrastructural basis of GSCP.
METHODSGSCP, kept by our laboratory, were collected, embedded, and cut into ultrathin sections and observed under the transmission electron microscope.
RESULTSA single GSCP usually had relatively well developed mitochondria, Golgi apparatuses, ribosomes, and undeveloped rough endoplasmic reticulum, but seldom lysosomes and no typical autophagosomes were found, and the nuclear-cytoplasmic ratio was high. The nuclei frequently contained huge amounts of euchromatin and a small quantity of heterochromatin, and in most nuclei there were only one nucleolus, however, two or more nucleoli were also common. Typical apoptotic cells could hardly be found in tumor-spheres, and between neighboring cells in tumor-spheres there were incompletely developed desmosomes or intermediate junction.
CONCLUSIONThe ultrastructural features of glioma stem cells-progenitors showed that BTSCP were very primitive and the lack of autophagy and the underdevelopment of some other cellular organelles are probably the reasons for the differential inhibition of GSCPs.
Brain Neoplasms ; ultrastructure ; Cell Line, Tumor ; Cell Membrane ; ultrastructure ; Cell Nucleus ; ultrastructure ; Chromatin ; ultrastructure ; Cytoplasm ; ultrastructure ; Glioma ; ultrastructure ; Humans ; Intercellular Junctions ; ultrastructure ; Microscopy, Electron, Transmission ; Mitochondria ; ultrastructure ; Neoplastic Stem Cells ; ultrastructure
7.Clinicopathologic study on 61 cases of uterine papillary serous carcinoma with or without adjuvant therapy.
De-bin XUE ; Li-juan DING ; Ai-li XIA ; Dong CHEN ; Hua-ping XIA ; Xiao-dong TENG ; Shao-ting XU ; Suo-jiang ZHANG ; Xing-chang REN
Chinese Journal of Pathology 2010;39(10):671-674
OBJECTIVETo study the clinicopathologic features of uterine papillary serous carcinoma (UPSC) and the roles of adjuvant therapy.
METHODSSixty-one cases of UPSC with operation done and followed up for a period of 4 to 9 years were enrolled into the study. The histology of slides specimens were reviewed and immunohistochemical study was performed. The follow-up and survival data were analyzed.
RESULTSAll of the 61 patients were post-menopausal, with a median age of 68 years. The clinical presentations included abnormal vaginal bleeding, abdominal symptoms and abnormal Pap smears. The median size of the tumors was 7.5 cm (range=1.2 to 14.8 cm). There were 27.9% cases in FIGO stage I (8.2% in stage IA, 14.8% in stage IB and 4.9% in stage IC), 9.8% in stage II, 32.8% in stage III and 29.5% in FIGO stage IV. The histologic features were similar to those of the ovarian counterpart, with tumor cells containing the high-grade nuclei and arranged in complex papillae. Psammoma bodies were identified in 24.6% of the cases. Immunohistochemical study showed that the tumor cells demonstrated diffuse and strong nuclear staining for p53 and Ki-67. They were negative for estrogen receptor and progesterone receptor. Fifteen of the 61 cases (24.6%) showed no evidence of myometrial invasion. However, ten of the 15 cases had extrauterine disease, with peritoneal (6/15) and nodal (9/15) involvement. Tumors with deep myometrial invasion, lymphovascular permeation and nodal metastasis were associated with worse prognosis by univariate analysis. Fifty-six patients received adjuvant therapy. The number of patients receiving adjuvant chemotherapy alone, adjuvant radiotherapy alone and combined adjuvant chemotherapy/radiotherapy were 42, 24 and 10, respectively. The median survivals of the chemotherapy group and non-chemotherapy group (with or without radiotherapy) were 66.4 months and 32.8 months, respectively.
CONCLUSIONSUPSC has distinctive clinical and pathologic features. The tumor stage, lymph node status, lymphovascular permeation and depth of myometrial invasion were important prognostic factors. Adjuvant chemotherapy for stage III/IV tumors or recurrent UPSC may have survival benefit.
Aged ; Aged, 80 and over ; Antineoplastic Combined Chemotherapy Protocols ; therapeutic use ; Carcinoma, Papillary ; drug therapy ; pathology ; radiotherapy ; surgery ; Chemotherapy, Adjuvant ; Cisplatin ; administration & dosage ; Cystadenocarcinoma, Serous ; drug therapy ; pathology ; radiotherapy ; surgery ; Female ; Follow-Up Studies ; Humans ; Lymphatic Metastasis ; Menopause ; Middle Aged ; Neoplasm Invasiveness ; Neoplasm Staging ; Paclitaxel ; administration & dosage ; Radiotherapy, Adjuvant ; Survival Rate ; Uterine Neoplasms ; drug therapy ; pathology ; radiotherapy ; surgery
8.Expression of ZNF217 in human ovarian cystadenocarcinoma and its clinical significance.
Gui-qin SUN ; Mei ZHONG ; Yan-qing DING ; Gui-dong SU ; Tian-rong SONG ; Ai-lan YIN
Journal of Southern Medical University 2009;29(4):685-688
OBJECTIVETo explore the correlation of ZNF217 expression to the carcinogenesis and progression of human ovarian cancer.
METHODSImmunohistochemistry and real-time RT-PCR were used to detect ZNF217 expression in human ovarian cystadenocarcinoma, ovarian cystadenoma and normal ovary tissues.
RESULTSThe expression levels of ZNF217 protein and mRNA in ovarian cystadenocarcinoma was significantly higher than those in matched ovarian cystadenoma and normal tissues (P<0.05). No significant difference was found in the expression between ovarian cystadenoma and normal ovarian tissues (P>0.05). The mRNA expression in the specimens was consistent with the protein expression of ZNF217 (P<0.05).
CONCLUSIONZNF217 gene expression is closely correlated to the occurrence and clinical stages of ovarian carcinomas, suggesting that ZNF217 can be an important candidate gene responsible for the occurrence and progression of ovarian carcinomas.
Cystadenocarcinoma ; genetics ; pathology ; Disease Progression ; Female ; Gene Expression Regulation, Neoplastic ; Humans ; Neoplasm Staging ; Ovarian Neoplasms ; genetics ; pathology ; Reverse Transcriptase Polymerase Chain Reaction ; Time Factors ; Trans-Activators ; genetics
9.Nonmyeloablative peripheral blood stem cell transplantation for chronic myeloid leukemia in chronic and accelerated phases.
Jia-Hua DING ; Yan MA ; Bao-An CHEN ; Gang ZHAO ; Jun WANG ; Yun-Yu SUN ; Jian CHENG ; Ai-Ling SU ; Wei-Ming DONG ; Yan ZHANG
Journal of Experimental Hematology 2008;16(2):373-376
The aim of this study was to investigate the effect of nonmyeloablative peripheral blood stem cell transplantation in treatment of chronic myeloid leukemia in chronic phase (CML-CP) and accelerated phase (CML-AP). 24 patients with CML including 16 in CML-CP and 8 in CML-AP were treated with nonmyeloablative conditioning regimen for peripheral blood stem cell transplantation (PBHSCT). The conditioning regimen included fludarabine (30 mg/m(2)x6 d), busulphan [4 mg/(kg.d)x2 d] and CTX [350 mg/(m2.d)x2 d] combined with or without Ara-C. The donors were HLA-identical (n=20) and 5/6 antigen-matched (n=4). The dynamic observation of hematopoietic recovery in all patients was carried out. The results indicated that all the patients were successfully engrafted. The mean time for increase of the number of neutrophils to more than 0.5x10(9)/L and platelet more than 20x10(9)/L were 13 days and 11.5 days respectively. Out of 12 patients, 9 patients showed complete donor chimerism and 3 patients showed mixed chimerism at 30 days after transplantation. At 180 days after transplantation, 18 survival patients showed complete donor chimerism. 18 patients remained alive after a median follow-up length of 24 months (4-48 months). 2 cases died of severe acute GVHD and 1 case died of chronic GVHD, 2 cases died of interstitial pneumonia and 1 case died of relapsed. In conclusions, nonmyeloablative peripheral blood stem cell transplantation is an effective therapeutic method for CML patients in chronic phase and accelerated phase.
Adult
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Female
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Graft vs Host Disease
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prevention & control
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Humans
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Leukemia, Myeloid, Accelerated Phase
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therapy
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Leukemia, Myeloid, Chronic-Phase
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therapy
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Male
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Middle Aged
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Peripheral Blood Stem Cell Transplantation
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methods
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Transplantation Conditioning
10.Inductively coupled plasma mass spectrometry for the simultaneous determination of thirty metals and metalloids elements in blood samples.
Chun-guang DING ; Chun ZHU ; De-ye LIU ; Ming DONG ; Ai-hua ZHANG ; Ya-juan PAN ; Hui-fang YAN
Chinese Journal of Preventive Medicine 2012;46(8):745-749
OBJECTIVETo establish an inductively coupled plasma mass spectrometry(ICP-MS) method for determination of 30 trace elements including As, Ba, Be, Bi, Ni, Cd, Co, Cr, Cs, Cu, Ga, Mn, Pb, Sr, Tl, V, Ge, Mo, Nb, Ti, W, Te, Se, Zr, In, Sb, Hg, Ce, La, and Sm in human blood.
METHODThe blood samples were analyzed by ICP-MS after diluted 1/10 with 0.01% Triton-X-100 and 0.5% nitric acid solution. Y, Rh and Lu were selected as internal standard in order to correct the matrix interference of Cr, As, Se, and Hg by a hex pole-based collision-reaction cell. Other elements were determined with standard method. The limits of detection, precision and accuracy of the method were evaluated. The accuracy was validated by the determination of the whole blood reference material.
RESULTSAll the 30 trace elements have good linearity in their determination range, with the correlation coefficient > 0.9999. The limits of detection of the 30 trace elements were in the range of 1.19 - 2.15 µg/L and the intra-precision and inter-precision (relative standard deviation, RSD) were less than 14.3% (except Hg RSD < 21.2%, and Ni RSD < 15.4%). The spiked recovery for all elements fell within 59.3% - 119.2%. Among the 13 whole blood reference materials, V, Cr, Mn, Co, Ni, Cu, As, Se, Cd, Te, and Pb (1.45, 1.19, 18.40, 0.18, 1.57, 591.00, 2.97, 61.00, 0.35, 1.86, and 9.70 µg/L respectively) fell within the acceptable range and the detection results of Hg (0.59 µg/L) and Mo (1.59 µg/L) were slightly beyond the range.
CONCLUSIONThis method was simple, fast and effective. It can be used to monitor the multi-elementary concentration in human blood.
Humans ; Limit of Detection ; Mass Spectrometry ; methods ; Metalloids ; blood ; Metals ; blood ; Trace Elements ; blood