1.Expression and clinical significance of TIG1 gene in acute leukemia
Yan WANG ; Jianhui ZHOU ; Fengru LIN
Journal of Leukemia & Lymphoma 2012;21(4):197-198,202
Objective To investigate correlation between the expression of TIG1 and the prognostic significance in acute leukemia (AL).Methods The TIG1 expression level of 75 AL and 20 normal control (NC) were measured by Real-Time Quantitative PCR(RT-QT-PCR).Results TIG1 gene expressed at a higher level in NC(0.0609±0.0281 ) than that in de novo AL(0.0057±0.0035)(U=-6.321,P=0.000).The expression of TIG1 in complete remission patients(AL-CR)(0.0409±0.0244)were lower than that in NC too(U=-2.582,P=0.01).The expression of TIG1 in AL-CR patients (83.3 %) were higher than that in de novo AL (53.1%)(U=-6.366,P=0.000).In AL patients,the CR rate of high TIG1 level cases were higher than that in low level cases (x2=4.563,P=0.033).Conclusions Reduced expression of TIG1 may play an important role in the pathogenesis of AL.TIG1 can serve as a marker of poor prognosis in AL.
2.The median effective dosage of 0.5% ropivacaine for ultrasound-guided lateral popliteal sciatic nerve block
Huihua LIN ; Yan ZHOU ; Shizhong LI
Chinese Journal of Anesthesiology 2010;30(7):793-795
Objective To determine the median effective dosage of 0.5% ropivacaine for ultrasoundguided lateral popliteal sciatic nerve block. Methods Twenty-three ASA Ⅰ or Ⅱ patients of both sexes, aged 19-20 yr weighing 52-90 kg received lateral popliteal nerve block guided with ultrasound for foot and ankle surgery.The volume of 0.5% ropivacaine injected was determined by the response of the previous patient using an up-anddown technique. The initial volume was 18 ml. Each time the volume increased/decreased by 2 ml.Successful nerve block was defined as complete loss of pinprick sensation in both tibial and common peroneal nerve distribution with concomitant inability to perform plantar or dorsal flexion of the foot 30 min after injection. Results The median effective dosage of 0.5% ropivacaine resulting in complete block of the sciatic nerve in 50% patients was 13 ml (95% confidence interval 11.3-14.9 ml).Conclusion The median effective dosage of 0.5% ropivacaine for ultrasound-guided lateral popliteal sciatic nerve is 13.0 ml.
3.Abnormity rates of blood lipids and uric acid and their relationship analysis in health examination population in Yangzhou city
Yan ZHAO ; Lin ZHOU ; Xinxin LIU
Chongqing Medicine 2014;(2):211-213
Objective To investigate the abnormity of blood lipids and uric acid ,and to analyze their relationship in health exami-nation population over 18 years in Yangzhou .Methods Totally 28 202 individuals receiving the health examination from October 2011 to August 2012 in the physical examination center of this hospital were enrolled in our study .Total cholesterol(TC) ,triglycer-ide(TG) ,low density lipoprotein cholesterol(LDL-C) ,high density lipoprotein cholesterol(HDL-C) and blood uric acid(UA) were detected ,and the relationship between age and sex with the abnormity of blood lipids and uric acid and the relationship between UA levels and blood lipids were analyzed .Results Among the detection population ,the detection rates of abnormal TG ,abnormal TC , abnormal HDL-C ,abnormal LDL-C and hyperuricemia were 31 .5% ,32 .1% ,15 .9% ,18 .4% and 17 .3% respectively .Compared with females ,males had the higher rates of abnormal blood lipids and UA (P<0 .05) .The rate of abnormal blood lipids was in-creased with age increase before 50 years old ,the > 50 -70 years old group had the highest abnormity rate of blood lipids ,then which was gradually decreased after 70 years old .The morbidity rate of hyperuricemia was increased with age .Compared with nor-mal UA group ,the hyperuricemia group had the higher rate of abnormal blood lipids (P<0 .01) .Conclusion The health examina-tion population over 18 years have the higher abnormity rate of blood lipids and uric acid ,which is significantly correlated with age and sex ;the increase of uric acid has certain correlation with abnormal blood lipids metabolism .Both blood lipids and uric acid are the risk factors of cardiocerebralvascular diseases ,rational dietary structure and periodic physical examination have the important significance to prevent the occurrence of these diseases .
4.Curative Effect Analysis of Hydrotalcite Combined with Omeprazole in the Treatment of Gastric Ulcer with Gastrorrhagia
Yan ZHOU ; Yanfu YING ; Caiyu LIN
China Pharmacist 2015;(4):611-613
Objective:To study the curative effect of hydrotalcite combined with omeprazole in the treatment of gastric ulcer with gastric bleeding. Methods:Seventy-six patients with gastric ulcer and bleeding in the stomach were selected and randomly divided into two groups. Thirty-two patients in the control group were treated with omeprazole alone while 44 patients in the observation group were treated with hydrotalcite combined with omeprazole. The therapeutic effects were compared between the two groups. Results:The total effective rate in the observation group was 100% while that was 87. 5% in the control group,and the difference between the two groups was statistically significant(P<0. 05). The comprehensive score of symptoms of the patients in the observation group was(4. 2 ± 1. 2)while that was(6. 2 ± 1. 4)in the control group,and the difference was significant(P<0. 01). The abdominal pain,abdominal distention and belching remission time in the observation group were slightly shorter than those in the control group(P<0. 05)and the time of hematemesis and hemafecia remission was significantly shorter than that in the control group(P<0. 05). After the 3-month treatment,the re-bleeding rate in the observation group was 6. 82%,which was slightly better than that in the control group,and the difference had no statistical significance(P<0. 05). The incidence of adverse reactions in the observation group was 9. 09% while that was 6. 25% in the control group,and there was no significant difference between the two groups(P>0. 05). Conclusion:Hydro-talcite combined with omeprazole in the treatment of gastric ulcer with gastric bleeding is effective and safe.
5.Risk Factors of Acute Kidney Injury Complicating Adult Primary Nephrotic Syndrome.
Acta Academiae Medicinae Sinicae 2020;42(4):436-443
To explore the risk factors of acute kidney injury(AKI)in adult primary nephrotic syndrome(PNS). Totally 185 patients with PNS were divided into AKI group(=51)and non-AKI group(=134).The demographic data and clinical and histological features at admission were compared between the two groups.The independent risk factors for AKI were evaluated by Logistics regression analysis. In 51 PNS patients with AKI,the common pathological types of AKI included minor glomerular abnormalities(29.4%),IgA nephropathy(25.5%),and membranous nephropathy(17.6%).The incidences of renal tubular casts and epithelial vacuoles in the AKI group were significantly higher than those in the non-AKI group(=0.004,=0.030).Males were more likely to suffer from AKI than females(=0.000).Patients in AKI group had significantly lower albumin level(=0.015)and higher levels of random urine protein,serum creatinine,uric acid,urea nitrogen,and triglyceride than non-AKI group(=0.030,=0.000,=0.000,=0.000,and =0.006),and polyserous and oliguria occurred more often in the AKI group(=0.000,=0.002).The AKI group had significantly higher incidences of high blood pressure and infections(=0.035,=0.000).Multivariate logistics regression analysis showed albumin(<25 g/L),serum creatinine(>96 μmol/L),urea nitrogen(≥6.8 mmol/L),uric acid(≥400 μmol/L),diabetes,infection,and renal tubular casts were the independent risk factors for AKI. AKI complicating PNS is associated with a variety of factors.Its independent risk factors include the levles of albumin,serum creatinine,urea nitrogen,and uric acid,diabetes,infections,and renal tubular casts.
Acute Kidney Injury
;
etiology
;
Adult
;
Creatinine
;
Female
;
Humans
;
Kidney
;
Male
;
Nephrotic Syndrome
;
complications
;
Risk Factors
6.Interaction among peroxisome proliferators-activated receptor alpha, cytochrome P450 oxysterol 7α-hydroxylase and estrogen receptor and its association with intrahepatic cholestasis in pregnant rats
Qingyun SHI ; Yugeng LIN ; Xin ZHOU ; Yingqi LIN ; Shi YAN
Chinese Journal of Obstetrics and Gynecology 2010;45(6):440-444
Objective To investigate the relationship between interaction of peroxisome proliferators-activated receptor alpha (PPARα), cytochrome P450 oxysterol 7α-hydroxylase (CYP7B1) and estrogen receptor (ER) and intrahepatic cholestasis in pregnant rats. Methods Eighty clean SD pregnant rats were selected and divided into four groups randomly with 20 in each. Since the 13th day of pregnancy,rats in the control group was injected subcutaneously with refined vegetable oil 2.0 ml · kg-1 · d -1 , those in the low-dose, moderate-dose and high-dose groups received 17-α-ethynylestradiol (EE) 1.0 mg · kg-1 · d-1,1.25 mg · kg-1 · d-1 and 1.5 mg · kg-1 · d-1, respectively. All rats were sacrificed at the 21at day of pregnancy and maternal hepatic tissues were collected. The serum levels of alanine aminotransferase(ALT), aspartate transaminase (AST), total bile acid (TBA) and bilirubin (BIL) were determined by enzyme linked immunosorbent assay (ELISA). The mRNA expressions of PPARα, CYP7B1, Erα and Erβ in maternal rat livers were examined by real-time PCR. Results (1) Biochemical indicators: the serum levels of ALT,AST, TBA and BIL were significantly lower in the control group than in the rest 3 groups,respectively [ control group: (41.1 ± 2.8 ) U/L, (44.4 ± 3.6) U/L, (26.4 ± 5.6 ) μmol/L and( 2.8 ± 0.2)U/L;low-dose group: (48.2 ±3.4) U/L,(47.9 ±3.7) U/L,(36.4 ±4.2) μmol/L and (4.2 ±0.2) U/L;moderate-dose group: (70.4 ± 5.3 ) U/L, (68.4 ± 5.6) U/L, (64.3 ± 3.8 ) μmol/L and ( 6.2 ± 1.2)U/L; high-dose group: (72.4 ±7.6) U/L, (70.2 ±3.8) U/L, (72.4 ±7.8) μmol/L and (8.2 ±2.2)U/L, P<0.05], and those in the moderate or high-dose groups were higher than in the low-dose group (P<0.05). (2) mRNA expression of Erα and Erβ: the mRNA expression of Erα in pregnant rat livers increased in a dose-dependent manner, which were all significantly higher than that in the control group,respectively ( low-dose group: 0.76 ± 0.02 ); moderate -dose group: ( 0.99 ± 0.04; high-dose group:1.21 ±0.01 ;control group:0.65 ±0.01, P <0.05), but no difference was found among the 4 groups in the mRNA expression of Erβ ( P > 0.05 ). (3) mRNA expression of CYP7B1 and PPARα: the mRNA expression of CYP7B1 in pregnant rat livers increased from the low-dose group to the high-dose group, and were all higher than that of the control group ( low-dose group: 0.93 ± 0.01; moderate-dose group: 0.99 ±0.06; high-dose group: 1.22 ± 0.04; control group: 0.75 ± 0.02, P < 0.05 ). However, the mRNA expression of PPARα decreased from the low-dose group to the high-dose group, and were all lower than that of the control group (low-dose group: 0.83 ± 0.05; moderate-dose group: 0.71 ± 0.02; high-dose group:0.64 ± 0.03; control group: 1.35 ± 0. 05; P < 0.05 ) . Conclusions The down regulated mRNA expression of PPARα, caused by higher dose of estrogen, may increase the expression of CYP7B1 due to the ineffectiveness of the inhibition of PPARα on CYP7B1, which may further stimulate the Erα activity and then induce intrahepatic cholestasis. Abnormal expression of PPARα, CYP7B1 and ER may play a role in the pathogenesis of estrogen-induced intrahepatic cholestasis.
7.Prokaryotic Expression of eBCMA-Fc Fusion Protein, a Soluble BLyS Receptor, with Computer-aided Molecular Design in E. coli
Jian SUN ; Jiannan FENG ; Zhou LIN ; Yan LI ; Beifen SHEN
Chinese Journal of Biochemistry and Molecular Biology 2008;24(2):127-133
B cell maturation antigen (BCMA) is a receptor of B lymphocyte stimulator (BLyS). Human IgG1Fc fusion proteins with the extracellular domain of BCMA(eBCMA), also called decoy receptors, have beenused as a potential BLyS antagonists to block BLyS activities. In order to design novel BLyS antagonistpeptides, computer-aided homologue modeling was used to construct an eBCMA-Fc fusion protein based on thecrystal structures of BCMA and Fc fragmant. To ensure the activity of eBCMA not to be interfered by Fcfusion, the root mean square distance (RMSD) for eBCMA and Fc were calculated to be 0.036 nm and 0.064nm, respectively, based on molecular docking modeling. An eBCMA-Fc fusion gene was constructed andintroduced into E. coli for expression. As expected, the purified 36 kD eBCMA-Fc fusion protein was able tobind BLyS in vitro at a dosage-dependent manner and demonstrated an anti-proliferative activity induced byBLyS in Daudi cells. The results have provided useful information on the evaluation of computer modeling andthe in vitro biological activity for the design of potential BLyS antagonist peptides.
8.Development and validity of Huashan Naming Test
Chunying LIN ; Qihao GUO ; Qianhua ZHAO ; Yan ZHOU ; Zhen HONG
Chinese Journal of Behavioral Medicine and Brain Science 2011;20(2):183-185
Objective To present the development of the Naming test tool ( Huashan Naming Test, HNT)for Chinese cultural and by amnestic mild cognitive impairment ( aMCI ) and mild Alzheimer' s disease (AD) between the detection of memory decline,and to analyze the validity of its trial.Methods 100 normal elders from communities in Shanghai, 100 patients with amnestic mild cognitive impairment (aMCI), and 95 patients with mild Alzheimer's disease (AD) who received an education of junior high school or above and were evaluated by neuropsychological tests including mini mental state examination ( MMSE), auditory verbal memory test, Huashan Naming tests etc.8 cognitive tests.The groups of MCI and AD patients finished cranial MRI.100 items with HNT including 20 animals,10 vegetables,10 fruits ,20 tools ,20 household , 10 vehicles, 10 stationery.Results 1.HNT items to determine: 22 items were excluded due to the completion of the three groups were not significantly different; 8 items were excluded due to the completion of the normal elderly group was lower than 75%; 10 items were excluded from the analysis of variance Fvalue of the minimum value.The remaining 60 items,according to the size of the arrangement and completion rates were divided into two versions of odd and even, respectively HNT-Ⅰ and HNT-Ⅱ.2.HNT characteristics:in normal elderly group age, sex were found to had no significant factors affecting overall scores of HNT-Ⅰ and HNT-Ⅱ but level of education, MMSE score was significantly correlated (P <0.05).As cut-off score ≤ 26 for spontaneous naming of HNT,the sensitivities of HNT-Ⅰ for aMCI ,mild AD were 44%, 84% respectively, specificities were all around 84%; the sensitivities of HNT-Ⅱ for aMCI , mild AD were 56% ,83% respectively,specificities were all around 80%.Conclusion HNT is a Chinese cultural background,time-consuming short and good name validity test,and it is worth further promoting the application.
9.A study on the light microscopic measurement of intercellular space of squamous epithelium in lower-esophagus to diagnose gastroesophageal reflux disease
Rongli CUI ; Liya ZHOU ; Sanren LIN ; Yan XUE
Chinese Journal of Internal Medicine 2009;48(3):208-212
Objective To evaluate the significance of dilated intercellular space (DIS) of squamous epithelium in lower-esophagus which was measured at light microscopy (LM) in the diagnosis of gastroesophageal reflux disease (GERD). Methods This study was divided into two parts. The first part consists of 133 GERD patients with typical symptoms, including 75 erosive esophagitis (EE) and 58 non-erosive reflux disease (NERD);the second part consists of 25 healthy volunteers as control; ambulatory 24-hr esophageal pH monitoring, endoscopy and biopsies which were taken in lower esophagus were performed in all individuals. NERD patients with negative ambulatory 24-hr esophageal pH monitoring were undertaken PPI test. We selected 43 individuals randomly (4 control, 11 NERD and 28 EE) to measure the intercellular space diameter with LM and transmission electronic microscopy (TEM) simultaneously. All the samples were observed at immersion objective, taken pictures and make the scale at the same time; all the pictures were measured by the computer-assisted morphometry and in the samples for one ease should be measured 100 points and then calculate the mean intercellular space diameter, while the TEM has the same procedures. Results A total of 158 individuals (90 male, 68 female) were enrolled in this study. The mean intercellular space diameter with LM of the controls, the NERD and the EE patients were (0.61±0.10)μm, (1.12±0.61)μm and (1.30±0.19) μm, respectively, with significant differences between the control and NERD group, the control and EE group, the EE and NERD group (P <0.05); the mean intercellular space diameter with LM of EE subgroup of LA-A, LA-B, LA-C, LA-D were (1.31±0. 23)μm, (1.27±0.17)μm, (1.31±0.14)μm, (1.33±0.11)μm, respectively, without significant differences among every two subgroups (P > 0.05);NERD patients with positive and negative 24-hr ambulatory pH monitoring were 40 and 17 cases, and the mean intercellular space diameter with LM were (1.12±0.16) μm, (1.11±0.31) μm, respectively, without significant differences between them (P >0.05) ;the cut-off value of mean intercellular space diameter with LM was 0. 85 μm, if combination the clinical GERD symptom, endoscopy and 24-hr ambulatory pH monitoring as gold standard, its sensitivity was 95.5% and specificity was 100%;the intercellular space diameter of the controls, the NERD patients and the EE patients with TEM were (0. 30±0.14)μm, (1.33±0.28)μm, (1.40±0. 22)μm, respectively,with significant differences between the control and NERD group, the control and EE group (P < 0.05). It was significant correlation in intercellular space diameter between LM and TEM (r=0.737, P=0.000).Conclusions The intercellular space diameter of squamous epithelium in lower esophagus of GERD patients can make quantitative study with LM. It is significant correlation with TEM. DIS with LM is one of sensitive, specific and objective marker of GERD.
10.Construction and application of standardized experiment examination system of clinical microbiology
Jimei DU ; Yongliang LOU ; Xiangyang LI ; Gang LIN ; Yan ZHOU
Chinese Journal of Medical Education Research 2011;10(12):1471-1473
Experiment examination plays an important role in evaluation of clinical microbiology experiment teaching.Standardized experiment examination system of clinical microbiology is a fair,objective and scientific assessment of students' learning effect and an important mean to evaluate teaching quality.The standardized experimental evaluation system includes organization,standardized examination contents,standardized procedures and operations,standardized invigilation and record,standardized scoring criteria,correction and prevention measures.