1.Associations of POR polymorphisms and warfarin stable maintenance dose in Han Chinese patients
Rong HU ; Zhe XU ; Lizi ZHAO ; Jiali LI ; Xueding WANG ; Qishan ZHENG ; Xi ZHANG ; Min HUANG
Chinese Pharmacological Bulletin 2014;(5):706-710
Aim To explore the effect of genetic poly-morphisms of POR on the stable warfarin maintenance doses in Han Chinese patients receiving mechanical heart valve replacement. Methods The association between POR gene polymorphisms and warfarin doses of 185 Han Chinese patients were investigated through ANOVA or t test. SNPs of POR and VKORC1 were de-tected by Sequenom? DNA MassArray genotyping method. CYP2C9*3 was genotyped by polymerase chain reaction-restriction fragment length polymorphism method ( PCR-RFLP ) . Patients ’ clinical characteris-tics, INR value and daily dose were obtained from their medical records. Statistical analysis was performed by SPSS 21. 0 software. Results No mutant carriers of POR rs17148944 , POR rs56256515 and rs72553971 were found in this study. The genotype frequencies of other SNPs were in accordance with Hardy-Weinberg e-quilibrium. In the group of patients with CYP2C9*1*1 , the mutant type carriers ( T carriers ) of POR rs17685 had a significantly higher dose than CC carri-ers(3. 50 ± 1. 07) mg·d-1 vs (3. 14 ± 0. 94) mg· d-1,P =0. 03. Also, in the group of patients with CYP2 C9*1*1 and VKORC1 rs9934438 G allele carri-ers, the mutant type carriers ( T carriers ) of POR rs17685 had a significantly higher dose than CC carri-ers(4. 76 ± 0. 90) mg·d-1 vs (4. 08 ± 1. 03) mg· d-1 ,P=0. 04. No significant difference was found in different genotypes of POR rs2868177 . Conclusion These results illustrate that POR rs17685 T carrier is closely associated with a higher warfarin maintenance dose, suggesting that this SNP is useful for clinical guidance of warfarin.
2.Epidermal growth factor receptor mutations in primary tumors, N2 lymph nodes, and plasma samples in Chinese patients with stageⅢA-N2 non-small cell lung cancer
Zhe LI ; Jianfeng GUO ; Yang YANG ; Yanfeng LIU ; Ruibin XU ; Tiehua RONG ; Lanjun ZHANG
Chinese Journal of Clinical Oncology 2016;43(12):531-535
Objective:Mutations in epidermal growth factor receptor (EGFR) can predict tumor response to tyrosine kinase inhibitors (TKIs) in non-small cell lung cancer (NSCLC). However, not all cases of NSCLC with EGFR mutations can respond well;thus, discovering the heterogeneity of NSCLC at the molecular level is necessary. This study aimed to determine the discrepancy in EGFR mutations in primary tumors, N2 lymph nodes, and plasma samples. Methods:Primary tumors, N2 lymph nodes, and plasma samples obtained from 49 patients with stageⅢA-N2 NSCLC were analyzed for EGFR mutations in exons 19 and 21 by using mutant-enriched liquidchip technology. Results:In 49 patients, we detected 18 (36.7%) EGFR mutations in primary tumors, 11 (22.4%) mutations in N2 lymph nodes, and 2 (4.1%) mutations in plasma samples. Eleven (22.4%) cases showed discordance in EGFR mutations between primary tu-mors and N2 lymph nodes. In nine cases, EGFR mutations were detected only in primary tumors, whereas EGFR mutations were de-tected only in N2 lymph nodes in two cases. In addition, EGFR mutations were detected in the plasma samples of two patients, who al-so carry mutations in their primary tumors. Conclusion:A considerable proportion of NSCLC cases showed discrepancy in EGFR muta-tions between primary tumors and N2 lymph nodes. In addition, the detection rate of EGFR mutations was lower in plasma samples obtained from patients with stage IIIA-N2 NSCLC. All of the results indicated tumor heterogeneity at the molecular level during metas-tasis, and this heterogeneity may have implications during treatment with TKIs.
3.The effects of mild stress to gastrointestinal motility and oxytocin in hypothalamic paraventricular nucleus of rats
Hengcai ZHOU ; Zhaoming ZHOU ; Xi HAI ; Meng XU ; Zhe CHEN ; Rong DONG
Chinese Journal of Behavioral Medicine and Brain Science 2013;22(9):788-790
Objective To study the changes of gastrointestinal movement function in rats with chronic unpredictable mild stress(CUMS) and explore the mechanisms underlying it.Methods The rats were divided into stress model group and control group.The stress model rats were induced by 21-day chronic unpredictable mild stress as well as social-isolated fed.The rate of ink propulsion of gastrointestinal tract and the contraction of intestinal canal in rats were observed.Immunohistochemistry was adopted to detect the expression of OT in rats.Results (1) After the models were induced,weight-gain and sucrose preference of model group ((69.97 ± 9.81) g,(49.05± 5.98) g) were lower than those in control group ((116.27 ± 13.60) g,(83.51 ± 3.08) g) (P < 0.001),and both the crossing-score and rearing-score ((24.00 ± 13.52),(3.90 ± 2.51)) were lower than those in control group ((53.60 ± 27.98),(11.50 ± 8.85)) in the open-field test.(2) The rate of ink propulsion of model group ((67.33 ± 6.24) %) was decreased when compared to the control group ((76.83 ± 10.00) %) (P < 0.05),and the intestinal canal contraction amplitude and contraction frequency ((1.37 ± 0.18) g,(0.58 ± 0.02) S-1) were lower than those in control group ((1.88 ± 0.13) g),(0.62 ± 0.04) S-1) (P < 0.05).(3) Compared with the control group (6.07 ± 3.71),OT immunoreactive substance was increased in model group (59.17 ± 16.08) of rats (P<0.001).Conclusion Chronic stress can cause the decrease in gastrointestinal movement function of rats.These changes may be related to the increased expression of OT in paraventricular nucleus.
4.Effects of different dosages of cyclosporine A on the semen parameters of renal transplant patients.
Long-Gen XU ; Hui-Ming XU ; Jun-Rong ZHANG ; Qi-Zhe SONG ; Xiao-Ping QI ; Xin-Hong WANG
National Journal of Andrology 2003;9(9):679-683
OBJECTIVESTo evaluate the effects of different dosages of cyclosporine A (CsA) on the main semen parameters and sperm morphology of the patients after renal transplantation.
METHODSThe semen of 18 patients after renal transplantation treated with different dosages of CsA was analyzed and the semen parameters and sperm morphology were compared with those of 12 normal volunteers.
RESULTSThere was not significant difference between the main parameters of the patients treated with 1.5-3.0 mg.Kg-1.d-1 of CsA and 3.1-5.5 mg.Kg-1.d-1 of CsA and those of the volunteers (P > 0.05), but the rate of normal sperm morphology was significantly different between the two groups(P < 0.05).
CONCLUSIONSDifferent therapeutic dosages of CsA did not have any effect on most of the semen parameters of the patients after renal transplantation, but did affect the sperm morphology.
Adult ; Cyclosporine ; pharmacology ; Dose-Response Relationship, Drug ; Humans ; Immunosuppressive Agents ; pharmacology ; Kidney Transplantation ; Male ; Semen ; drug effects ; Sperm Count ; Sperm Motility ; drug effects ; Spermatozoa ; drug effects
5.Relationship between resistin level in serum and acute coronary syndrome or stable angina pectoris.
Xiao-zhi QIAO ; Yun-mei YANG ; Zhe-rong XU ; Li-ai YANG
Journal of Zhejiang University. Science. B 2007;8(12):875-880
OBJECTIVETo investigate the relationship between serum resistin level and acute coronary syndrome (ACS) or stable angina pectoris (SAP).
METHODSSixty-five patients, with coronary artery disease, were enrolled and divided into three subgroups: acute myocardial infarction (AMI), unstable angina pectoris (UAP) and SAP, and 26 healthy people were recruited as controls in the cross-sectional study. Serum resistin levels were determined by ELISA (enzyme-linked immunosorbent assay), and WBC (white blood cell count), hsCRP (high sensitive C-reaction protein), CK(max) (maximum of creatinkinase), CK-MB(max) (maximum of isozyme of creatinkinase) and cTnI(max) (maximum of troponin) were measured by standard laboratory methods.
RESULTSThe serum resistin levels were 4 folds higher in AMI patients, 2.43 folds in UAP patients and 1.12 folds in SAP patients than in the healthy controls (P<0.05). The resistin levels were also significantly different between AMI [(8.16+/-0.79) ng/ml], UAP [(5.59+/-0.75) ng/ml] and SAP [(3.45+/-0.56) ng/ml] groups (P<0.01); WBC, hsCRP, CK(max), CK-MB(max) and cTnI(max) were significantly increased in AMI patients over UAP and SAP patients. Spearman analysis showed that serum resistin levels were positively correlated with WBC (r=0.412, P=0.046), hsCRP (r=0.427, P=0.037), CK(max), CK-MB(max) and cTnI(max) (r=0.731, 0.678, 0.656; P<0.01).
CONCLUSIONSerum resistin levels increased with inflammatory factors and myocardial impairment. The results suggest that human resistin might play an important role in the pathogenesis of atherosclerosis and AMI as an inflammatory factor.
Acute Coronary Syndrome ; blood ; Angina Pectoris ; blood ; Female ; Humans ; Male ; Middle Aged ; Myocardial Infarction ; blood ; Resistin ; blood
6.Relationship between androgen levels and pathological changes of coronary atherosclerosis in elderly males.
Hai-feng GU ; Yun-mei YANG ; Zhe-rong XU
Journal of Zhejiang University. Medical sciences 2007;36(4):382-385
OBJECTIVETo explore the relationship between androgen levels and pathological changes of coronary artery in elderly males.
METHODSOne hundred and twenty-eight in-patients who received coronary angiography were divided into four groups: single vessel lesion group (SV group), double vessel lesion group (DV group), three vessel lesion group (TV group) and control group. The levels of serum total testosterone (TT) and sex hormone binding globulin (SHBG) were assayed by ELISA, and free testosterone (FT) calculated with the Vermeulen formula.
RESULTSThere was significant difference in FT levels among these four groups, while there was no statistical difference in TT levels. FT level in TV group was lower than that in DV group and SV group.
CONCLUSIONSerum levels of free testosterone may be correlated with pathological degree of coronary artery.
Aged ; Coronary Artery Disease ; blood ; pathology ; Enzyme-Linked Immunosorbent Assay ; Humans ; Male ; Middle Aged ; Risk Factors ; Sex Hormone-Binding Globulin ; metabolism ; Testosterone ; blood
7.Changes of blood pressure, blood glucose and blood lipids levels after intensive treatment in incipient diabetes II patients.
Xiao-hong ZHAO ; Zhe-rong XU ; Xue-ying LU ; Qing ZHANG ; Yun-mei YANG
Journal of Zhejiang University. Medical sciences 2010;39(2):198-201
OBJECTIVETo evaluate the effect of intensive treatment on the blood sugar, blood lipids and blood pressure levels in incipient diabetes II patients.
METHODSOne hundred and sixty incipient diabetes patients were allocated into two groups according to chronological order: 80 cases received routine treatment and 80 cases received intensive treatment. Fasting blood-glucose (FBG), glycosylated hemoglobin (HbA1C), blood pressure, blood cholesterol (TC), triglyceride (TG), LDL cholesterol-C (LDL-C), alanine aminotransferase (ALT) and aspertate aminotransferase (AST) were tested before treatment. For intensive treatment group blood pressure, blood sugar and blood lipids were regularly tested, and the therapeutic protocols were adjusted according to the test results until the therapeutic target reached. After six months, HbA1C, blood pressure, TC, LDL-C, ALT and AST were tested again and comparison was made between the two groups.
RESULTSThere was a significant decrease in TC and LDL-C in the intensive treatment group compared with those in the routine treatment group (P <0.05).
CONCLUSIONThe intensive treatment on the incipient diabetes II patients facilitate the control of the blood lipids and blood sugar.
Adult ; Aged ; Blood Glucose ; drug effects ; Blood Pressure ; drug effects ; Diabetes Mellitus, Type 2 ; drug therapy ; Female ; Humans ; Hypoglycemic Agents ; therapeutic use ; Lipids ; blood ; Male ; Middle Aged
8.Study of Resistin gene expression in peripheral blood mononuclear cell and its gene polymorphism in a small range population.
Yun-mei YANG ; Zhe-rong XU ; Ling-jiao WU ; Wei-dong HUANG
Journal of Zhejiang University. Science. B 2007;8(2):132-135
OBJECTIVETo observe the expression of Resistin mRNA in peripheral blood mononuclear cells and its gene polymorphism in coding region in a small range population in Zhejiang Province of China.
METHODSEighty-three cases of type 2 diabetes mellitus and 53 healthy people were included. The expression of Resistin mRNA in peripheral blood mononuclear cells was detected by RT-PCR and semi-quantitative PCR assay. The sequencing work was done in Resistin cDNA and gene polymorphism was analyzed.
RESULTSAt the same condition, in 83 diabetes patients, Resistin mRNA was detected in 23 cases (11 males and 12 females). There was no Resistin mRNA expression in 53 healthy people. The ratio of PCR products between Resistin and glyceraldehyde-3-phosphate dehydrogenase (GAPDH) was from 0.564 to 1.238, averaging 0.804+/-0.436. The sequence of Resistin cDNA is almost identical with each other and with that in GenBank with no single nucleotide polymorphism being found.
CONCLUSIONResistin mRNA is expressed in human peripheral blood mononuclear cells in some type 2 diabetes mellitus, but its expression is at a low level. Among the experiment population we did not find polymorphism phenomenon in Resistin coding region. The different individual's Resistin coding region is highly coincident.
China ; epidemiology ; DNA Mutational Analysis ; Female ; Gene Expression ; genetics ; Gene Frequency ; Genetics, Population ; Humans ; Leukocytes, Mononuclear ; Male ; Middle Aged ; Polymorphism, Genetic ; Polymorphism, Single Nucleotide ; genetics ; Resistin ; genetics
9.Clinical analysis on 40 patients with chronic lymphocytic leukemia.
Zhen-Shu XU ; Jin-Yan ZHANG ; Rong ZHAN ; Zhi-Hong ZHENG ; Shun-Quan WU ; Zhi-Zhe CHEN
Journal of Experimental Hematology 2012;20(3):583-586
This study was aimed to analyze the clinical and laboratorial characteristics of patients with chronic lymphocytic leukemia (CLL), as well as their relationship with outcomes of patients. The clinical and laboratorial data of 40 CLL patients admitted from 2004 to 2010 in our hospital were analyzed retrospectively. The results indicated that the most of CLL attacked the elderly male patients with median age 66 (from 42 to 80). Flow cytometric analysis showed that 25 cases were positive for typical immunophenotype of CLL. On the other hand, all the patients clearly expressed CD19 and CD5, 7 cases (17.5%) and 14 cases (35%) were positive for the expression of CD38 and Zap70 respectively. 8 cases harbored a mutated immunoglobulin heavy-chain (VH) gene, among them 4 cases belong to VH3 family. Interphase FISH analysis showed that P53 deletion, RB1 deletion, trisomy 12 and normal chromosome were detected in 6, 3, 1, and 5 cases, respectively. The median PFS in 31 patients received treatment of fludarabine based chemotherapy was 48 months (95%CI: 39 - 57 months), among them 27 cases (87.1%) achieved CR + PR. While PFS was 14 months (95%CI: 10 - 18 months, P < 0.001) in 9 patients received other treatment regimen, out of them only 3 cases (33.3%) achieved CR + PR. Patients with normal level of serum β2-microglobulin at diagnosis showed significantly higher overall survival (78%, 95%CI: 69% - 87%) in 36 months than those with abnormal level of serum β2-microglobulin (47%, 95%CI: 35% - 59%, P = 0.004). Significant difference in the rate of CR + PR was noted in the Zap70 positive group (50%) and in negative group (88.5%, P = 0.006). All of 8 patients with IgVH mutation displayed CR after treatment, while 4 cases (66.7%) archived CR among 6 patients without IgVH mutation. It is concluded that CLL is characterized by high heterogeneity in both clinical features and molecular markers, which are associated with prediction of outcomes for patients. The treatment with fludarabine-based chemotherapy results in a major benefit and long survival for patients with CLL.
ADP-ribosyl Cyclase 1
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metabolism
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Adult
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Aged
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Aged, 80 and over
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Female
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Flow Cytometry
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Humans
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Immunoglobulin Variable Region
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genetics
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Leukemia, Lymphocytic, Chronic, B-Cell
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genetics
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metabolism
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Male
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Middle Aged
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Mutation
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Retrospective Studies
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ZAP-70 Protein-Tyrosine Kinase
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metabolism
10.Comparative study of pressure-control ventilation and volume-control ventilation in treating traumatic acute respiratory distress syndrome.
Yun-mei YANG ; Wei-dong HUANG ; Mei-ya SHEN ; Zhe-rong XU
Chinese Journal of Traumatology 2005;8(1):36-38
OBJECTIVETo observe the clinical therapeutic effect and side effect of pressure-control ventilation (PCV) on traumatic acute respiratory distress syndrome (ARDS) compared with volume-control ventilation (VCV).
METHODSForty patients with traumatic ARDS were hospitalized in our department from June 1996 to December 2002. Twenty were treated with PCV (PCV group) and 20 with VCV (VCV group). The changes of the peak inflating pressure and the mean pressure of the airway were observed at the very beginning of the mechanical ventilation and the following 12 and 24 hours, respectively. The transcutaneous saturation of oxygen pressure, the pressure of oxygen in artery, the mean blood pressure, the central venous pressure, the heart rate and the incidence of the pressure injury were also monitored before ventilation and 12 hours after ventilation.
RESULTSThe pressure of oxygen in artery, the transcutaneous saturation of oxygen pressure, the heart rate and the respiratory rate in the PCV group were obviously improved after ventilation treatment. The peak inflating pressure, the mean pressure of the airway and the central venous pressure in the PCV group were lower than in the VCV group. The incidence of pressure injury was 0 in the PCV group while 10% in the VCV group.
CONCLUSIONSThe clinical effect of PCV on traumatic ARDS is better and the incidence rate of pressure injury is lower than that of VCV. PCV has minimal effects on the hemodynamics.
Acute Disease ; Adolescent ; Adult ; Chi-Square Distribution ; Child ; Female ; Humans ; Male ; Middle Aged ; Respiration, Artificial ; methods ; Respiratory Distress Syndrome, Adult ; etiology ; therapy ; Treatment Outcome