1.Interferon regulatory factor 7 and tumor
International Journal of Surgery 2017;44(1):60-63
Interferon regulatory factor 7 is originally identified in the context of Epstein-Barr virus infection,and has play a key role in regulator of type Ⅰ interferons.Aberrant production of type Ⅰ interferons is associated with many types of diseases such as cancers and autoimmune disorders.Furthermore,mounting evidence has shed light on the importance of interferon regulatory factor 7,which is a multifuwtional transcription factor,not only regulate the response of inflammation and immune in body,but also regulate others biological funetions such as tumor formation,cell invasion and so on.The article has reviewed the progression of both interferon regulatory factor 7 and tumor.
2.Clinical observation on left heart function in essential hypertensive patients treated with Losartan
Linquan WANG ; Jie LI ; Suisheng WU
Clinical Medicine of China 2008;24(4):299-301
Objective To investigate the clinical effects of Losartan on hemorrheology and left heart function in essential hypertensive patients.Methods 43 essential hypertensive patients were treated with Losartan,50 ms/d~100 ms/d for twelve to seventeen months.20 essential hypertensive patients were treated with Fu Fang Jiang Ya Pian as control group.Then the changes of hemorrheology indexes and left heart function were tested in both groups.Results After the treatment with Losartan the blood pressure reduced effectively(P<0.001),the whole blood low shear rate hyperviacoSity(ηb),plasma viscosity,AI,whole blood low shear rate reduced viscosity,erythrocyte electrophoresis,Fib reduced obviously(P<0.01),but the control group had not statistical significance(P>0.05)before and after treatment.The whole blood high shear rate hyperviscesity,whole blood high shear rate reduced viscosity,Hct,RRI reduced too(P>0.05),but there was no statistical significance.LVM(P<0.01)and LVMI(P<0.05)were obviously reduced,E/A was increased(P<0.01),IRT(P<0.05)was shorten (P<0.05),while the cardiac diastole function improved effectively.The significant differences were not observed in the control group pre and pest treatment(P>0.05).Condusion Losartan can effectively reduce blood pressure.At the same time,it improves RBC deformation capability,reduce erythrecyte aggregation,Fib,Hct of essential hypertensive patients,and reduce blood viscosity.Losartan can also reduce myocardial hypertrophy,heart weight,and improve heart function.
3.Expression of histamine H_1 receptor gene in hepatocarcinoma of rats induced by dimethylamino-azobenzene
Li LI ; Naiping WANG ; Zong NING ; Jinbin WEI ; Linquan ZANG
Chinese Pharmacological Bulletin 1987;0(02):-
AIM To study the mRNA expression of histamine H_1 receptor in hepatocarcinoma of rats. METHODS Dimethylamino-azobenzene (DAB) was used to induce hepatocarcinoma in rats. Semi-quantitative reverse transcription-polymerase chain reaction (RT-PCR) was adopted to analyse the relative expression of histamine H_1 receptor. And the base sequence of its PCR product was detected. RESULTS The relative mRNA expression of histamine H_1 receptor was significantly decreased in hepatic carcinoma tissue, compared with that part far from cancer and control group (P
4.The research progress of interferon induced transmembrane protein in tumor
Shidai SHI ; Yong ZHOU ; Kehao LI ; Linquan WU
International Journal of Surgery 2015;42(4):273-276
Interferon induced transmembrane protein (IFITM is a recently discovered antiviral protein family in the cell,which inhibit many with or without coated virus replication to have antiviral effects.At the same time,some recent studies show that IFITM3 plays an important role in migration of a variety of human tumor cells and stem cells.While the mechanism in human tumor occurrence,development and diffusion transfer of IFITM3 is still unclear.This paper is aim to summarize the research progress and direction of IFITM3 protein in human tumors.
5.Effect of organic solvents on human lungcancer cells and effectiveness of curcumol
Fangrui DONG ; Shilei ZANG ; Lili LI ; Jiquan GUO ; Linquan ZANG
Chinese Pharmacological Bulletin 2017;33(4):506-511
Aim To explore the concentration range of organic solvent which can both effectively increase solubility of the difficult soluble medicine monomer, and have low toxicity to cells, and to clarify the influence of different concentration of ethanol on curcumol efficacy.Methods Different DMSO and ethanol concentrations were diluted in culture medium and incubated with cells A549, NCI-H460, NCI-H1299, NCI-1650, LTEP-a2 and SPC-A1 for 12 h, 24 h, or 48 h, cell viability was tested by a colorimetric assay with 3-(4, 5-dimethylthiazol-2-yl)-2, 5-diphenyl tetrazolium bromide(MTT), and different concentrations of ethanol with/without different concentrations of curcumol were also prepared with culture medium, then incubate with A549 and NCI-H460 cells for 24 h, and cell viability was tested by MTT as well.Results Within 48 h the solution with 0.008(V/V) DMSO or less had no significant effect on the cell A549 compared with control group, for NCI-H1650 the concentration was 0.004(V/V) or less, for NCI-H460 the result turned to be 0.002(V/V) or less, and the solution with DMSO below 0.001(V/V) had significant effect on the three other cells, NCI-H1299, LTEP-a2 and SPC-A1.While within 48 h, the liquor with 0.004(V/V) ethanol or less did not exhibit significant cytotoxic effect on the cell A549, for NCI-H460 and NCI-H1650 the result of ethanol concentration became 0.002(V/V) or less, for NCI-H1299 the data was 0.001(V/V) or less, and the liquor with ethanol below 0.001(V/V) showed significant cytotoxic effect on LTEP-a2and SPC-A1.When the proportion of ethanol in solution was below 0.01, it has no cytotoxic on cell A549 and NCI-H460, and the curcumol solution prepared with this kind of ethanol solution only represented the efficacy of curcumol on the cells.Since the solution with 0.01(V/V) ethanol dissolved the curcumol better, the cell viability changed from about 100% to about 35%.Conclusions Different organic solvent expressed different toxicity to the same cell, and the sensitivity of different cells to one organic solvent is dissimilar.and DMSO could be the optimum solvent for A549 and NCI-H1650, while the optimum solvent of NCI-H1299 is ethanol, for NCI-H460 it could be both and DMSO and ethanol, and DMSO and ethanol is not suitable for LETP-a2, SPC-A1 to be solvent.
6.Effect of candesartan on ERK1/2 protein expression in myocardium of epilepsy rats induced by kainic acid and its mechanism
Suisheng WU ; Zan WANG ; Li PANG ; Linquan WANG
Journal of Jilin University(Medicine Edition) 2006;0(03):-
Objective To study the effect of candesartan on the ERK1/2 protein expression in myocardium of epilepsy rats induced by kainic acid(KA) and its mechanism.Methods 105 male Wistar rats were divided into: control group(A);epilepsy groups(B1-5);candesartan groups(C1-5);1-5 meaned 0,0.5,2,4,6 h after epilepsy,respectively.Epilepsy rat models were made by injecting KA into amygdale under stereotactic instrument.The ERK1/2 protein expression in various groups were tested with immunohistological method.Results Compared with control group,the protein expressions of ERK1/2 increased significantly in the 0.5 h groups of B and C(P0.05).The differences in the level of ERK1/2 protein expression between B and C groups were significant(P
7.Application of ropivacaine combination with dexmedetomidine in opioid-free analgesia after cesarean section
Kunshan LIU ; Mengdi LI ; Jianjun ZHAO ; Xinqi CHENG
China Pharmacy 2023;34(1):82-85
OBJECTIVE To investigate the effect of ropivacaine combined with dexmedetomidine on postoperative analgesia in women undergoing cesarean section, and to explore the feasibility of the opioid-free analgesia mode after cesarean section under spinal-epidural anesthesia. METHODS Totally 80 women undergoing cesarean section were randomly divided into observation group (ropivacaine combined with dexmedetomidine for analgesia) and control group (ropivacaine combined with opioid drug sufentanil for analgesia) , with 40 cases in each group. The exercise and rest score in visual analogue scale (VAS) within 48 hours after operation, the use of analgesia pump (the time of first analgesia pump pressing, the times of analgesia pump pressing within 24 hours and 48 hours after operation), the time of block (the onset time of spinal anesthesia sensory block, the time to the highest level of spinal anesthesia sensory block, the time of sensory recovery and the time of movement recovery) , the time of prognosis (the time of gastrointestinal ventilation recovery, the time of getting out of bed and the hospitalization time), and the incidence of adverse events were compared in 2 groups. RESULTS Finally, 64 parturients (32 in the observation group and 32 in the control group) were involved in the analysis. Compared with the control group, the recovery time of sensation and movement were significantly prolonged, the ventilation time was significantly shortened, and the incidence of nausea, vomiting and abdominal distension was significantly decreased in the observation group (P<0.05) . There was no significant difference in the other indexes between the two groups (P>0.05). CONCLUSIONS Ropivacaine combined with dexmedetomidine under spinal-epidural anesthesia could provide similar analgesic effect as combined with opioids drug sufentanil, shorten the time of gastrointestinal ventilation recovery, and reduce the incidence of nausea,vomiting and abdominal distension, with no increased risk of low blood pressure or urinary retention.
8.The effect of KLF4 on invasion and migration by regulating MMP9 in hepatocellular carcinoma
Qian FENG ; Shidai SHI ; Yong ZHOU ; Enliang LI ; Rongshou WU ; Kehao LI ; Linquan WU
Chongqing Medicine 2015;(22):3025-3029
Objective To investigate the effects of Krüppel like factor 4 (KLF4)on matrix metalloproteinase 9 (MMP9)ex-pression in hepatocellular carcinoma(HCC).Methods A total of 50 primary hepatocellular carcinoma samples and their correspond-ing adjacent tissues specimens were collected.The expression of KLF4 and MMP9 were detected by IHC,Western blot and qRT-PCR.After KLF4 gene was transfected into hepatocellular carcinoma cell line (HepG2 cell line),the expressions of KLF4 and MMP9 were conformed by qRT-PCR and Western blot.Migration and invasion of HepG2 cell line transfected by KLF4 were detec-ted by wound-healing assay and invasion assay.Results Compared to corresponding adjacent tissues,The expression of KLF4 was significantly lower in HCCs(P <0.05),and MMP9 expression was remarkably higher in HCCs(P <0.05).KLF4 over-expression inhibited the expression of MMP9 on the protein and mRNA levels.Wound-healing assay and invasion assay confirmed that KLF4 regulated cell invasion and migration through regulating MMP9 expression.Conclusion KLF4 showed low expression in HCCs,and MMP9 was overexpressed.Up-regulation of KLF4 could decrease the expression of MMP9 in HepG2 cell line,which inhibited inva-sion and migration.
9.Clinical studies on moist burn cream combined with ozone in treatment of fat liquefaction of abdominal incision after appendectomy
Lin LI ; Zhiyong DU ; Hui XU ; Linquan LI ; Kan QIU ; Changheng YIN
Chinese Journal of Biochemical Pharmaceutics 2015;37(5):137-139
Objective To explore clinical curative effects of the moist burn cream combined with ozone in treatment of fat liquefaction of abdominal incision after appendectomy.Methods 112 patients who suffered with fat liquefaction of abdominal incision after appendectomy in hospital from January 2012 to January 2015 were chosen.According to the random number table method, they were randomly divided into the observation group and control group, 56 cases in each group.Before treatment, two groups of patients were liquefied suture removal and thoroughly removed subcutaneous tissue necrosis.Then, the control group accepted the pure moist burn cream treatment, while the observation group were given the moist burn cream combined with ozone treatment.The growth condition of granulation tissue after treatment, frequency of dressing change, wound cicatrisation, and length of hospital stay were compared between two groups, and the condition of wound healing was evaluated.Results The grade A healing rate of the observation group was 89.28%(50/56), while that of control group was 71.43%(40/56)(χ2 =5.65,P<0.01).The time of the granulation tissue beginning to grow and the time when the granulation tissue flushed leather face of observation group were significantly shorter than those of control group ( P<0.05 ) .In addition, times of changing a medical prescription of observation group was less than that of control group (P<0.05), and the incision healing time, length of stay in hospital were also shorter than those of control group (P<0.05).Conclusion It has better clinical curative effect to apply the moist burn cream combined with ozone in the treatment of fat liquefaction of incision after appendectomy.Moreover, it has some advantages, such as the quick growth of granulation, the well-healed wound, and the short hospitalization time.Therefore, it is worthy of clinical popularization and application.
10.Screening of tumor mark for the lung cancer by using peptide ZS-6
Wenbin FENG ; Xuediao PAN ; Jie ZHOU ; Lei SHI ; Junqiang LUO ; Xun LI ; Linquan ZANG
Chinese Pharmacological Bulletin 2010;26(1):44-47
Aim To select a potential biomarker for early lung cancer diagnosis and targeted therapy by using the cancer specific bounded peptide ZS-6 which had already been obtained from the laboratory.Methods The peptide ZS-6 marked by biotin was used as a probe to pan out the human lung cancer cDNA phage display library,after 4 rounds of subtraction panning,the specific binding clones of ZS-6 were identified.After amplification and purification,then those DNA sequences were identified and analyzed with bioinformatics.Results 18 phage clones were identified to the specific peptide ZS-6 and the DNA sequence showed one of them was an unknown new gene while the others were known tumor related genes.Conclusion A tumor biomarker selected from human lung cancer cDNA library provides a potential tool for early lung cancer diagnosis and therapy.