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Clinical Study of Serum Lipoprotein(a) and Homocysteine with Type 2 Diabetes Mellitus and Insulin Resistance

Anyun YU ; Xiayan LIU ; Yu SONG ; Peifang YU

Journal of Modern Laboratory Medicine.2016;31(3):65-68. doi:10.3969/j.issn.1671-7414.2016.03.018

Objective To analyze the levels of serum lipoprotein (a)[Lp(a)]and homocysteine (CHY)in type 2 diabetes mellitus (T2DM)patients and todetermine the relationship between them and diabetic insulin resistance.Methods A total of 108 patients with T2DM and 50 healthy volunteers (control group)were studied.T2DM group according to the presence of kidney disease complications could be divided into simple diabetes group (SDM)in 48 patients with diabetic nephropathy (DN)group of 60 cases.Collected patients general data and determined two groups of glycosylated hemoglobin (HbA1c), low density lipoprotein (LDL),urea nitrogen (BUN),serum creatinine (SCr),urinary inhibition C (CysC),Lp(a)and HCY levels;Compared differences between groups and how they related to T2DM kidney disease,and the relationship between in-sulin resistance.Results ①Compared between three groups only the weight (NC group 60.1±10.34 kg,SDM group 67.2 ±11.38 kg,DN group 68.8±1.35 kg),the difference was statistically significant (F=0.457,P=0.035).②compared be-tween the three groups,the levels of HbA1c (F=3.421,P=0.013),LDL-C (F=2.963,P=0.041),BUN (F=4.637,P=0.031),SCr (F=2.369,P=0.024),CysC (F=3.697,P=0.011),Lp(a)(F=1.236,P=0.021),HCY (F=4.317,P=0.027)were increased significantly.③FPG,FINS and HOMA-IR in SDM group were 5.99±0.94 mmol/L,61.11±28.46 pmol/L and 2.93±1.97 respectively,FPG,FINS and HOMA-IR in DN group were 9.01±2.23 mmol/L,98.56±62.14 pmol/L and 4.34±2.74 respectively.Compared between the two groups,FPG (t=0.47,P=0.017),FINS (t=0.55,P=0.039),HOMA-IR (t=0.69,P=0.024)differences were statistical significance.④The Lp(a),HCY were significantly pos-itive correlation with HOMA-IR (r=0.761,P=0.044;r=0.840,P=0.021).Conclusion Lp(a)and HCY levels in serum associated with diabetic nephropathy,and insulin resistance.And the detection of serum Lp(a)and HCY has important sig-nificance for early detection of diabetic nephropathy.

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Study on Polymorphisms and Genes Expression Levels ofα-Adducin in Patients with Coronary Artery Disease

Yangdong ZHANG ; Jie CHEN ; Ruixue CHU ; Liying WANG ; Jie YUN ; Juan AN ; Liang FANG

Journal of Modern Laboratory Medicine.2016;31(3):59-61. doi:10.3969/j.issn.1671-7414.2016.03.016

Objective To investigate the association between single nucleotide polymorphisms (SNP)and expression levels ofα-adducin(ADD1)gene in coronary artery disease (CAD)patients.Methods Extracted DNA and RNA samples of peripher-al blood white cells from 114 CAD patients and 116 healthy individuals in Jan 2011 to Oct 2013 from the General Hospital of the PLA Rocket Force.SNPs of rs3775067 and rs1263359 mutations in the ADD1 gene were analyzed with allele-specific flu-orogenic oligonucleotide probes combining hybridization.The gene expression levels were analyzed with fluorescence labeled and capillary electrophoresis technology.Results The frequencies of the genotypes and alleles of the two SNPs in the ADD1 gene were not significantly different between the two groups (χ2=0.018~1.317,all P>0.05).The ADD1 gene expression levels of CAD group (0.226±0.284)were obviously higher than that of control group (0.153±0.144,P<0.05).The gene expression levels of TC genotype of rs3775067 were obviously higher in CAD group (0.250±0.319)than that of control group (0.154±0.156,P<0.05),but the levels of the other genotypes had no significant difference between the two groups (t=0.557~1.867,all P>0.05).Conclusion The elevated ADD1 gene expression level would be risk factor for CAD.The polymorphisms of rs3775067 and rs1263359 had no relevance with CAD susceptibility.

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Clinical Value of Serum Pepsinogen and Gastrin-1 7 Levels in Patients with Atrophic Gastritis and Gastric Cancer

Jianhua YANG ; Binghua WANG ; Yong LIN

Journal of Modern Laboratory Medicine.2016;31(3):51-54. doi:10.3969/j.issn.1671-7414.2016.03.014

Objective To investigate the clinical value of serum pepsinogen(PG)Ⅰ,Ⅱ and gastrin-17(G-17)levels in early di-agnosis for atrophic gastritis and gastric cancer.Methods The study was performed on a case-control trial,and 430 subjects were recruited.Each of them underwent endoscopy biopsies before serum tests were performed.These patients were further divided into three groups based on endoscopic and histological findings:160 non-atrophic gastritis group,118 atrophic gastri-tis group and 152 gastric cancer group.Serum samples of PGⅠ,PGⅡ and G-17 were analyzed by enzyme-linked immunosor-bent assay(ELSIA),and calculated the values of PGⅠ/PGⅡratio.Results Compared with the non-atrophic gastritis group, serum PGⅠ and G-1 7 values in atrophic gastritis and serum PGⅠ,PGⅡ,PGⅠ/PGⅡratio and G-1 7 values in gastric cancer group decreased significantly (P<0.05);compared with the atrophic gastritis group,serum PGⅠ and G-17 values in gastric cancer group decreased significantly (P<0.05).By using receiver operating characteristic curves (ROC),the cut-off points of PGⅠ84.706μg/L,PGⅡ 10.873μg/L,PGⅠ/PGⅡ ratio 11.008 and G-178.265 pg/L in atrophic gastritis group,PGⅠ65.145μg/L,PGⅡ 10.089μg/L,PGⅠ/PGⅡ ratio 6.375 and G-17 4.971 pg/L in gastric cancer group.Conclusion Low serum PGⅠ,PGⅡ,PGⅠ/PGⅡ ratio and G-1 7 values are biomarkers of atrophic gastritis and gastric cancer and valuable for the early diagnosis of gastric cancer.

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Correlation between Non High Density Lipoprotein Cholesterol and Cardiac Function in Patients with Coronary Heart Disease

Junjie CHENG ; Jing LI ; Xiqiang LIANG ; Xiaxia DUAN ; Rao XIAO ; Xuan GUO

Journal of Modern Laboratory Medicine.2016;31(3):43-47. doi:10.3969/j.issn.1671-7414.2016.03.012

Objective To investigate the correlation between non high density lipoprotein cholesterol (non-HLD-C)and cardi-ac function in patients with coronary heart disease (heart disease cardiac,CHD).Methods 162 patients with CHD were se-lected as the experimental group of CHD,100 cases of healthy physical examination qualified as the normal control group. CHD experimental group was divided into mild impairment group and severe impairment group according to the degree of impairment of the heart function.The mild impairment group include I and II levels of cardiac function classification and the severe impairment group included III and IV levels of cardiac function classification.To measure separately total cholesterol (TC),triglyceride (TG),high density lipoprotein cholesterol (HDL-C),low density lipoprotein cholesterol (LDL-C),and to calculate the content of non high density lipoprotein cholesterol (non-HDL-C).To compare the differences between CHD ex-perimental group and normal control group,and the correlation between different indexes of blood lipid and the degree of loss of cardiac function.Results The serum levels of non-HDL-C,TG and LDL in the Cardiac function in mild damage group of the CHD experimental group were significantly higher than those in the normal control group,and there were statistically significant differences between the two groups(t=2.438,2.887,5.253,P<0.05).The serum levels of non-HDL-C,TG and LDL in the severe heart function impairment group of the CHD experimental group were significantly higher than those in the normal control group,and there were statistically significant differences between the two groups (t=2.438,2.887,5.253,P<0.05).The serum level of HDL in the cardiac function in mild damage group of the CHD experimental group was significantly lower than that in the normal control group (t=-3.132,P<0.05).The serum level of HDL in the severe heart function impairment group of the CHD experimental group was significantly lower than that in the normal control group (t=-6.028,P<0.05).In the CHD group,only the serum level of TC in the severe impairment group was signifi-cantly different from that in the control group (t=3.278,P<0.05).The serum levels of non-HDL-C,TG,LDL of mild im-pairment of cardiac function in the CHD experimental group were significantly different from the serum levels of the severe impairment group (t=2.051,2.057,2.281,P<0.05).Logistic regression analysed that the OR value of serum non-HDL-C in CHD group was slightly lower than that of LDL,and significantly higher than TC and TG.With the increase of the degree of cardiac function,the value of OR increased significantly.Conclusion Serum non-HDL-C had a positive correlation with severity of CHD.To a certain extent,it can reflect the severity of CHD and is an important reference index for clinical diag-nosis and treatment of CHD.

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Expression of STING in Peripheral Blood in Patients with Primary Biliary Cirrhosis and Its Clinical Significance

Yan CHEN ; Mingli GU ; Xin YE ; Tengda LI ; Anmei DENG

Journal of Modern Laboratory Medicine.2016;31(3):33-35. doi:10.3969/j.issn.1671-7414.2016.03.010

Objective To explore the clinical significance of STING in peripheral blood in patients with primary biliary cirrho-sis.Methods Admitted 28 PBC patients hospitalized in Shanghai Changhai Hospital and Shanghai Changzheng Hospital from January 2014 to October 2015.Also enrolled 28 healthy controls.Baseline data and laboratory indicators were extrac-ted,and STING mRNA expression was determined using q-PCR.The correlation between STING and clinical parameters were analyzed.The changes of STING mRNA in 5 followed-up patients with PBC were analyzed.Results Compared with healthy controls,STING mRNA was significantly increased in PBC patients and was increased in patients with severer dis-ease stages (U=0.00,P<0.05).STING was positively correlated with Mayo risk and GGT (R=0.45,R=0.42,P<0.05),and not AST,ALT or ALP (R=0.33,0.21,0.27,P>0.05).After therapy,STING mRNA were significantly re-duced in 5 PBC patients (U=0.00,P<0.05).Conclusion STING may be involved in PBC pathogenesis.

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Investigation of Cif Gene Expression between Mucoid and Non-mucoid Pseudonmonas Aeruginosa

Xiaoming QIU ; Jinpiao LIN ; Er HUANG ; Bin YANG

Journal of Modern Laboratory Medicine.2016;31(3):19-21. doi:10.3969/j.issn.1671-7414.2016.03.006

Objective To compare the difference of the Cif gene expression and the inflammation markers (such as WBC and CRP et al)between mucoid and non-mucoid Pseudonmonasaeruginosa,combining with the clinical data.Methods Real-time RT-PCR was used to determine the expression level of Cif in Pseudonmonas aeruginosa and clinical data were collected to discuss the relationship among the number of WBC,the level of CRP and the Cif gene expression.Results The expression level of Cif gene in mucoid Pseudonmonas aeruginosa had a significantly higher than the non-mucoid Pseudonmonas aerugi-nosa,which was statistically significant (t=2.09,P<0.05).Specimen data collected from patients with the infection of mu-coid or non-mucoid Pseudonmonas aeruginosa showed that the number of WBC and the level of CRP were not significantly different (t=0.65,0.60,P>0.05).The data also showed that the cystic fibrosis transmembrane conductance regulator in-hibitory factor (Cif)gene expression level had little correlation with the number of WBC (a=0.095,R2=0.029).Conclusion The expression of Cif gene may works for the biofilm formation of mucoid Pseudonmonas aeruginosa,which maybe a new virulence factor to Pseudonmonas aeruginosa.

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Study on the Relationship between Manganese Superoxide Dismutase Gene Variants and the Levels of Blood Lipid and Homocysteine

Jia ZHAO ; Lin ZUO ; Chuangli YAO ; Yang LI ; Xiaojian JIANG ; Junle YANG

Journal of Modern Laboratory Medicine.2016;31(3):12-15. doi:10.3969/j.issn.1671-7414.2016.03.004

Objective To investigate the relationship between manganese superoxide dismutase (Mn-SOD)9 Ala/Val genetic polymorphisms and the levels of blood lipid and homocysteine (HCY).Methods The genotypes of Mn-SOD 9 Ala/Val ge-netic polymorphisms were identified by sequencing method,the serum activities of T-SOD and Mn-SOD were detected by colorimetric method,the serum level of HCY was detected by enzymatic method,and the serum levels of cholesterol (TC), triglyceride (TG),high density lipoprotein cholesterol (HDL-C)and low density lipoprotein cholesterol (LDL-C)were de-tected by end-point method in 137 patients with coronary heart disease (CHD)and 85 controls.Results Compared with the control group,the VV genotype and V allele of Mn-SOD 9 Ala/Val genetic polymorphisms in the CHD group were higher, while the serum activities of T-SOD and Mn-SOD in the CHD group was significantly lower.The serum activities of T-SOD and Mn-SOD of the Mn-SOD 9 VV genotype was significantly lower than the Mn-SOD 9 AA genotype.Compared with the Mn-SOD 9 AA genotype,the serum levels of TC,TG,LDL-C and HCY of the Mn-SOD 9 VV genotype were significantly higher,while the serum level of HDL-C was significantly lower.The serum activity of Mn-SOD was negativelycorrelated with the serum levels of TC,TG,LDL-C and HCY and positively correlated with the serum level of HDL-C.Conclusion The antioxidative ability in patients with CHD was decreased.Mn-SOD 9 Ala/Val genetic polymorphisms led to lipid metab-olism disorders by affecting the Mn-SOD activity,promoting the development of CHD.HCY resulted in increased oxidative substances by self-oxidation and inhibition of the Mn-SOD activity,increasing the risk of CHD.

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Establishment and Application of SYBR Green I Real-Time PCR Assay for Rapid Detection of Hepatitis B Virus DNA

Weina HE ; Dongyue L¨U ; Helu LIU ; Jiehui HAN ; Yue HE ; Peipei LI

Journal of Modern Laboratory Medicine.2016;31(3):98-101. doi:10.3969/j.issn.1671-7414.2016.03.027

Objective To develop SYBR Green I real-time PCR assay for detection and identification of Hepatitis B virus. Methods Based on the sequences of Hepatitis B virus gp1 gene,primers were designed.The reaction assay and thermal cyc-ling profile were optimized.The positive standard was from recombinant clone.Both the developed assay and Zhejiang kuake biotechnology company’s assay were applied in 100 patients serum.Results The detection limit was between 5×102 copies/ml to 5×108 copies/ml with a good liner correlation and no cross reaction.The whole process just needed 2.5 h.Comparing with the company products,the sensitivity and specificity of the developed assay were 100% and 92.5% respectively.Con-clusion The established assay is rapid,simple,high sensitivity and specificity.It is not only valuable for the identification of Hepatitis B virus patients,but also provide accurate quantitative analysis for HBV patients.

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Expression and Its Clinical Significance of Forkhead Box J2 in Non-small Cell Lung Cancer Tissues and Paracancerous Tissues

Xiang CHEN ; Guohua TAO ; Feng ZHOU ; Ping ZHAO ; Qichang YANG ; Yi SHEN ; Xingjian CAO

Journal of Modern Laboratory Medicine.2016;31(3):95-97. doi:10.3969/j.issn.1671-7414.2016.03.026

Objective To evaluate the expressions and its clinical significance of Foxj2 in non-small cell lung cancer (NSCLC) patients.Methods Fifty cancer tissues from patients who underwentsurgery were collected.Western blot and immunohisto-chemical methods were used to detect the expressions of Foxj2.Results Results of western blot showed that Foxj2 expres-sion in lung cancer tissue was significantly lower than adjacent tissues.The difference between the two groups was statisti-cally significant(P<0.05).Immunohistoehemical results showed that the number of Foxj2-positive cells in adjacent tissues was significantly higher than that in cancer tissues,and the expression of Foxj2 in non-lymphatic node metastasis group was higher than that in lymphatic node metastasis.The difference between the two groups was statistically significant (P<0.01).Conclusion The expressions and location of Foxj2 was related to the lymphatic node metastasis of lung cancer.This phenomenon indicates that Foxj2 may play an important role in the development of lung cancer.

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Variation and Significance of Anticentromere Antibody(ACA) in Multi-Diseases

Xuemei XING ; Yanqin LI ; Gang SHEN ; Jun ZHANG ; Rong LI ; Yi LI ; Xiangdong LI

Journal of Modern Laboratory Medicine.2016;31(3):88-91. doi:10.3969/j.issn.1671-7414.2016.03.024

Objective To study the expression of anticentromere antibody (ACA)on multiple diseases to help the clinical diag-nosis and treatment.Methods The clinical and laboratory data of 129 cases with positive ACA were retrospectively ana-lyzed.Results ①116 females and 13 males were found among 129 cases with positive ACA,and serology titer of ACA in fe-male patients was higher than male and more compound antibody were shown in female patients,which was significantly dif-ferent compared with males (χ2=6.28,P=0.01;χ2=6.85,P=0.003).②Among 118 cases which had detailed clinical in-formation,there were 65 patients suffered from autoimmune diseases (55.08%)and 53 cases suffered from non-autoimmune diseases (44.92%).Autoimmune disease cases showed more compound and high serology titer,there were significant differ-ence between the two groups (χ2=21.97,P<0.001;χ2=11.44,P=0.001).Conclusion Though ACA was rarely found,it was shown in autoimmune and non-autoimmune diseases and can be not too severe or fetal and even lead to multi-organ fail-ure.So it should be taken seriously.

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