1.A target site for the treatment of tumor meatastasis: MACC1
Zhiyun HE ; Zhigang BAI ; Zhongtao ZHANG
International Journal of Surgery 2014;41(5):338-341
Metastasis-associated in colon cancer-1 (MACC1) is a recently discovered gene associated with colon cancer metastasis,there is significant relationship indicated from some studies between MACC1 and different malignant tumors.It may play an important role in the regulation of tumors metastasis.This article reviewed the expression and regulating function of MACC1 in different cancers including colorectal cancer,hepatic cancer,gastric cancer,lung cancer,ovarian cancer,breast cancer,and so on.It may offer clues to find a new target for target treatment of cancer metastasis.
2.Current status of standards for laboratory diagnosis of pertussis and clinical relevance of serological diagnosis
Yuxiao ZHANG ; Zhiyun CHEN ; Qiushui HE
Chinese Journal of Microbiology and Immunology 2017;37(7):560-564
Despite high coverage of vaccinations, incidence of pertussis (whooping cough) has been increasing throughout the world and large outbreaks were reported in several countries.Adolescents and adults with atypical pertussis symptoms have become the main sources of infants′ pertussis.Since clinicians are lack of experience in making diagnosis based on atypical symptoms, laboratory methods are needed.The currently recommended laboratory methods include bacterial culture, PCR and serology ELISA.It is well known that sensitivity and specificity of the above-mentioned methods may vary depending on many factors such as status of vaccination, timing of specimen collection and onset of symptoms.Serology ELISA to measure specific anti-pertussis toxin IgG antibodies in serum has been proven to be one suitable method for the diagnosis of pertussis infection in adolescents and adults.In this review, we summarize the current status of methods used in China and other countries for the laboratory diagnosis of pertussis and discuss the clinical relevance of serology ELISA for pertussis diagnosis.
3.The Change and the Immpact of IFHL on Oxidative Stress in the Formation of NASH in Rats
Zhiyun CHEN ; Maoxing YAN ; Beihui HE
Journal of Medical Research 2006;0(12):-
Objective To study the change of oxidative stress in the formation of NASH in rats induced by high-fat diet,and observe the preventive and therapeutic effect of TFHL on NASH and explore its mechnism.Methods 110 rats were randomly divided into the normal group(40 rats),the model group(40 rats),the A.Nattermam group(10 rats) and high dosage and low dosage TFHL(10rats each).The normal rats were fed with the standard feedstuff the other rats fed with the high-fat diet.At the time of model-making,the rats in the A.Nattermam were fed the A.Nattermam suspension by daily gavage by 195.4mg/(kg?d),the rats in the high dosage and low dosage TFHL group were fed TFHL by daily gavage in 250、125mg/(kg?d),the rats in the normal and model groups were fed isometrical distilled water by daily gavage.At the ends of 2nd,4th,8th weeks of the experiment,10 rats in the nomal and model were killed respectively,at the end of experiment,all the rest were killed.pathological changes of liver tissues were observed,the levels of serum ALT,AST,the amount of TG,CHOL of livers tissue,the amount of MDA of serum and liver,the activity of OD、GSH-PX、T-AOC were measured.Results 1.the rats were fed with high-fat diet from 2 to 12w,the fatty degeneration of liver tissues were gradually serious,the amounts of TG,CHOL of livers were gradually increased.at 12th w the inflammatory cells in livers infiltrated obviously,the serum ALT,AST were obviously increased,it apeared a progressive process of NASH.2.from 4th w,after feeding with high-fat diet,the amounts of MDA of serum and liver were gradually decreased,the activity of SOD were gradually increased,the amount of T-AOC were gradually decreased as well and,increase or decrease with the development of inflammation.3.the inflammation degree of liver,the amount of liver CHOL and the serum ALT,AST in FMCL groups were lower than those in the corresponding model group;the amounts of MDA of serum and liver were decreased,the activity of SOD,GSH-PX and T-AOC were inceased than those in the corresponding model group,their oxidationresisting activity was better than those in the A.Nattermam group.Conclusions oxidation stress/Lipid Peroxidation plays an important role in the occurrence and development of NASH,TFHL can effectively treat and prevent the development of NASH,obviously ease oxidation stress,decrease Lipid Peroxidation of NASH,markedly enhance oxidationresisting abilily of body,which is the important mechanism of prevention and treatment for NASH.
4.The Experimental Study on Liqihuatanquyu Formula(LF)Against NASH in Rats
Junping SHI ; Zhiyun CHEN ; Beihui HE
Journal of Medical Research 2006;0(08):-
Objective To investigate the effect of LF on blood biochemistry,cytokines in rats with NASH in order to approach possible mechanism of LF against NASH.Methods 50 male SD rats were randomly divided into the normal control group(10 rats),the model group(10 rats),the Essentinale group(10 rats)、the LF high dose group(10 rats)and the LF low dose group(10 rats).Except for the normal control group which was raised by standard animal feeds,others were all raised by high fat feeds to make NASH model and administered by Essentinale,high dose LF and low dose LF for 12 weeks.Hepatic lipid contents,plasma TG,CHO,HDL-C,LDL-C,ALT,AST and TNF-?,FFA,Leptin concentrations were evaluated,as were histopathological changes in the liver.Results In this NASH model,the liver FZ(liver weight /body weight),plasma CHO,LDL-C,ALT,AST and TNF-?,FFA,Leptin concentrations were higher than that in normal control group,but the levels of serum HDL-C and TG were reduced.In addition,the histopathological showed increased fatty droplets within hepatocytes and liver inflammation.The levels of serum ALT,AST,HDL-C,TNF-?,Leptin,FFA and hepatic CHO,TG contents in the LF high dose group and LF low dose group were reduced compared with that in the model group,while the levels of serum TG,HDL-C were enhanced remarkably.In addition,liver inflammation was improved evidently.Conclusions Treatment with LF might improve non-alcholic steatohepatitis,because LF inhibits the elevation in the level of plasma cytokine.
5.Effect of total flavonoids of Chinese hawthorn leaf on expression of NF-?B and its inhibitor in rat liver with non-alcoholic steato-hepatitis
Maoxiang YAN ; Zhiyun CHEN ; Beihui HE
China Journal of Traditional Chinese Medicine and Pharmacy 2005;0(02):-
Objective:To study the effect of NF-?B and its inhibitor in rats liver during the development of non-alcoholic steato-hepatitis and observe the effect of total flavonoids of Chinese hawthorn leaf on expressions of NF-?B and its inhibitor,and explore the prevention and treatment mechanism of non-alcoholic steato-hepatitis. Methods:Non-alcoholic steato-hepatitis SD rats model were established by administering a high-fat diet for 12 weeks and were treated with total flavonoids of Chinese hawthorn leaf at dosages of 250mg/kg body weight /d,125 mg/kg body weight /d and with Essentiale at a dosage of 195.4mg /kg body weight /d. Pathological changes of liver tissues were observed with HE,the serum MDA,SOD and TNF-? were measured,the protein and mRNA expressions of NF-?B and I?B in rats liver were detected with RT-PCR and immunohistochemical method. Results:There were severe steatosis inflammatory cell infiltration and necrotic foci in non-alcoholic steato-hepatitis rat. Compared with the control group,contents of the serum MDA and TNF-? in non-alcoholic steato-hepatitis group obviously increased,the activity of SOD decreased,the mRNA and protein expressions of NF-?B P65 and I?B? in liver obviously strengthened. There was a positive relativity of the protein expression of NF-?B p65,I?B? with the contents of serum TNF-?,MDA,but a negative relativity with the activity of serum SOD. Conclusion:Total flavonoids of Chinese hawthorn leaf can obviously lower lipid peroxidation in rats,lower the harm of cytokine to hepatocytes,and regulate the expression of protein and mRNA of NF-?B and I?B. It maybe the important mechanism of total flavonoids of Chinese hawthorn leaf for preventing and treating the development of non-alcoholic steato-hepatitis.
6.Effects of compound Biejiaruangan tablets on the expression of liver AngiotensionⅡ and its receptor in rats with hepatic fibrosis
Qiang YUAN ; Lan HE ; Zhiyun CHEN ; Maoxiang YAN ; Beihui HE
China Journal of Traditional Chinese Medicine and Pharmacy 2005;0(02):-
Objective:To study the effect of compound Biejiaruangan tablets on the expression of liver AngiotensionII and its receptor in rats with hepatic fibrosis,and to explore the mechanism of its anti-hepatic fibrosis.Methods: Thirty male SD rats were randomly divided into three groups as followings: the normal group,the model group and the compound Biejiaruangan tablets group,all rats in the two latter groups were given subcutaneous injection of 40%carbon tetrachloride(twice every week for 6 weeks),the rats in the compound Biejiaruangan tablets group were given 1g?kg-1?d-1 of the compound Biejiaruangan tablets by daily gavage,the rats in normal control group and the model group were given distilled water according to the same volume,the histopathological changes in liver were observed through HE and Massion staining.The serum ALT,AST and ALP were evaluated by antomatic biochemistry analysator,the serum levels of hyaluronic acid (HA),Laminin(LN) and plasm AngiotensionII(Ang-Ⅱ) were determined by radio immunoassay.The expressions of AngⅡ,AT1R mRNA were examined by RT-PCR.Results:The severity of inflammation scoring,hepatic fibrosis scoring,the amounts of serum ALT,AST,ALP,HA,LN and plasma AngⅡ in the liver tissues of hepatic fibrosis model group were higher than those in the normal group(P
7.Effect of high fat diet on the serum biochemical parameters and histopathology of main organs in Mongolian gerbils
Jianshun YU ; Maoxiang YAN ; Dejun WANG ; Beihui HE ; Zhiyun CHEN
Chinese Journal of Comparative Medicine 2015;(4):38-43,47
Objective To explore the effect of high fat diet on serum biochemical parameters and histopathology of main organs in Mongolian gerbils.Methods Forty-eight healthy adult male Mongolian gerbils were randomly and equally divided into model and normal groups.The gerbils in the model group were fed with high fat diet while the normal group with standard diet.Eight gerbils in each group were killed at the end of 4th,8th and 16th week,respectively,and the body weight, serum levels of Glu, TG, CHOL, HDL-C, LDL-C, UA, CREA, BUN, TBil, TP, ALB, ALT, AST and AMS were determined.The histopathological changes of main organs were observed.Results Compared with the normal group,the blood lipid of the model gerbils was significantly increased, the liver function was impaired, the blood uric acid level was higher, and the blood glucose was decreased at the end of 16th week.The AMS was increased at the end of 16th week,but the renal function showed no significant changes.The liver tissue of the model group gradually showed steatosis, inflammation, fibrosis and cirrhosis, accompanied by splenomegalia. The lung tissue and myocardium showed fatty degeneration and obvious damages in the later period,the pancreatic islets were enlarged and the amount of endocrine cells was increased,and the small intestine and kidney didn’ t show any distinct changes.Conclusions A gerbil models of hyperlipidemia and nonalcoholic steatohepatitis and cirrhosis can be well established by high fat diet feeding,and may serve as good models for research of hyperlipidemia-related hyperuricemia, and lung and myocardial damages.
8.Effect of TFHL on expression of CYP2E1 in liver tissue of rats with NASH
Zhiyun CHEN ; Hong LIU ; Maoxiang YAN ; Beihui HE
China Journal of Traditional Chinese Medicine and Pharmacy 2005;0(01):-
Objective:To observe the expression of cytochrome P4502E1 (CYP2E1) in the liver tissue of rats with non-alcoholic steatosis hepatitis (NASH) induced by high-fat diet, and effect of total flavonoids of Chinese hawthorn leaf(TFHL). Methods: The model rats of NASH were induced by 12 weeks' high-fat diet, and treated with TFHL and Essentiale. The pathological changes of rats liver were observed, the amounts of liver MDA, and the activities of SOD, GSH-Px were detected, the mRNA and protein expressions of CYP2E1 were detected with RT-PCR and immunochemical method. Results: ①there were serious steatosis, different degree of infiltration of inflammatory cells and necrosis focus in the livers of model rats, the amounts of liver MDA was higher than that of the normal group, the acttivities of SOD, GSH-Px in the livers were lower, the expressions of mRNA and protein were strengthened. ②the expression of CYP2E1 of livers has a positive correlation with the amount of MDA, but negative correlation with the activity of SOD and GSH-Px. ③the inflammation of liver, the amounts of liver MDA level, the mRNA and protein expressions of CYP2E1,the activity of SOD and GSH-Px in rats treated with high or low dose TFHL were obviously lower than the model rats, but the activities of SOD and GSH-Px were higher than the model rats.Conclussion: CYP2E1 takes part in the onset and development of NASH induced by high-fat diat, TFHL can restrain the activity of CYP2E1 and the lipid peroxidization, enhance the ability of antioxygenation of liver cells, and prevent the further development of NASH.
9.Analysis of anticoagulation in 926 patients with atrial fibrillation
Linggang SUN ; Jian YU ; Zhengfei HE ; Zhiyun CHEN ; Qunhua LIU ; Qilong LING ; Weilyu HU
Chinese Journal of Primary Medicine and Pharmacy 2017;24(15):2304-2307
Objective To analyze the anticoagulation in patients with atrial fibrillation.Methods A retrospective analysis of anticoagulant therapy situation in 926 patients with atrial fibrillation was conducted,in order to sum up experience and improve the understanding of atrial fibrillation.Results In 926 patients with atrial fibrillation,there were no anticoagulant therapy in 675 patients,accounting for 72.89%,while only 251 cases received the treatment of anticoagulation,accounting for 27.11%.Only 66 patients aged>75 years were treated with anticoagulant therapy,accounting for 33.17%.The patients with coronary heart disease,in 17.60% and with anticoagulation treatment,the patients with diabetes in 28.37% and received anticoagulation therapy,28.32% patients with anticoagulation therapy in patients with hypertension,30.77% patients with cardiac insufficiency with anticoagulant therapy.Choice of treatment of aged>75,hypertension,coronary heart disease,clinical treatment strategies and patients were the main factors that affected the use of warfarin,but only>75 years of age,coronary heart disease,choice of treatment factors with statistical significance of three factors(OR=7.02,12.73,4.79,all P<0.05).675 cases without anticoagulant therapy in 101 patients with non warfarin treatment indications without the use of warfarin anticoagulation treatment,accounted for 14.96%.In addition,there were 574 AF patients with warfarin treatment indications and treatment with warfarin,analysis of its causes:63 cases had anticoagulant contraindications,172 cases for the doctor too much about bleeding complications,440 patients were not in accordance with the requirements of the detection of INR.Conclusion The positive effect of warfarin in prevention of ischemic stroke,but in basic hospital application of warfarin anticoagulation in patients with severe AF deficiency,should raise the awareness of risk of grassroots medical staff and patients of atrial fibrillation complicating embolism,do a good job of educating patients,to reduce the incidence of embolic events in patients with atrial fibrillation.
10.Therapeutic evaluation of acupuncture in treatment of nonalcoholic fatty liver by magnetic resonance IDEAL-IQ technique
Zhiyun JIAO ; Cheng LI ; Ling HE ; Fang DU ; Litong WANG ; Hong YAN
Journal of Chinese Physician 2017;19(2):246-249
Objective To explore the efficacy of acupuncture in the treatment of nonalcoholic fatty liver disease by using magnetic resonance iterative decomposition of water and fat with echo asymmetry and least-squares estimation-quantitative FAT/R2 * imaging (IDEAL-IQ) technique.Methods Totally 36 patients with nonalcoholic fatty liver were divided into acupuncture group (25 cases) and control group (11cases).The patients were performed liver magnetic resonance IDEAL-IQ and the liver fatty component value (F value) was measured before and after the treatment,at the same time clinical indicators of liver function and blood lipid were measured.The Spearman correlation analysis was used to compare the consistency of F value and blood lipid in all patients.The t test was used to compare the differences of liver F values,liver function,blood lipids and other clinical indicators of two groups before and after the treatment.Results There were significantly positive correlation between the fat component and triglyceride (TG),total cholesterol (TC) level (r =0.836,0.852,P < 0.05),and significant negative correlation between the fat component and high density lipoprotein (HDL) level in the fatty liver group (r =-0.735,P <0.05),The liver F values,alanine aminotransferase (ALT) and aspartate aminotransferase (AST) contents and TG,HDL,low density lipoprotein (LDL) and TC contents of the acupuncture group after treatment were statistically significant (P < 0.05).Comparison of each index in the acupuncture group after treatment with the control group,the differences were statistically significant (P < 0.05).Conclusions Acupuncture is an effective approach to treat nonalcoholic fatty liver disease,as it can improve liver function and down-regulate lipid level.Magnetic resonance IDEAL-IQ technique can quantitatively detect its therapeutic efficacy.