2.Effects of puerarin on blood pressure, blood lipid and renal structure of cold-induced hypertensive mice.
Zheng-Jun PAN ; Gui-Long YAN ; Li-Ping WANG ; Xuan-Xuan XU ; Li PAN
Chinese Journal of Applied Physiology 2011;27(4):436-438
Animals
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Antihypertensive Agents
;
pharmacology
;
Blood Pressure
;
drug effects
;
Cold Temperature
;
Hypertension
;
etiology
;
physiopathology
;
Hypolipidemic Agents
;
pharmacology
;
Isoflavones
;
pharmacology
;
Kidney
;
pathology
;
Lipid Metabolism
;
drug effects
;
Lipids
;
blood
;
Male
;
Mice
;
Mice, Inbred ICR
3.Transgenic maize plants with low copy number of foreign genes were produced with maize Ubi-1 promoter.
Zi-Qin XU ; Li-Gui GONG ; Xuan HUANG ; Yong-Yan ZHANG ; Li-Mei GAO
Chinese Journal of Biotechnology 2004;20(1):120-125
Direct DNA delivery procedures (include biolistics method) often resulted in multiple copies of the transgenes in transformants and certain copies of them were rearranged. Integration of multiple copies of the introduced genes was the main reason of gene silencing which meant inhibition or loss of foreign gene expression in filial generations of transformants. In the present work, we compared the influences of maize Ubi-1 promoter and other promoters on copy number of transgenes in maize transgenic plants. Immature embryos from Zea mays L. plants of sib-pollinated of A188 x H99 genotype were used as initial materials. Type- I embryonic calluses derived from preculture of immature embryos were treated on N6 medium containing 0.6 mol/L sucrose for 3 approximately 5 hours and transformed via particle bombardment with PDS1000/He delivery system (Bio-Rad). Bombarded calluses were treated with hyperosmotic N6 medium for 16 approximately 20 hours continuously. Then the cultures were transferred onto normal N6 medium and incubated at 26 degrees C in dark for two weeks and subsequently selected on N6 medium supplemented with 2 or 5 mg/L phosphinothricin (PPT) but without casamino acid for another two weeks. The calluses after selective culture were transferred onto hormone-free MS medium containing 2 or 5 mg/L PPT but without casamino acid, and incubated at 24 degrees C under 16 h illumination for plant regeneration. Regenerated plantlets over 2 cm in height were transferred to Magenta box containing 1/2 hormone-free MS medium. Plantlets over 8 cm in height were transplanted to soil. After growing for one week in greenhouse, the plants were sprayed with 250 mg/L PPT solution. Fertile transgenic maize plants were regenerated and confirmed by Southern blotting and histochemical localization of beta-glucuronidase (GUS) activity. Relations between promoter and copy number of transgenes in transformants were analyzed. Maize transgenic plants possessing an intact copy and another incomplete copy of beta-glucuronidase gene (gus) were obtained in case gus gene under the control of maize Ubi-1 promoter (pUbi:GUS). Simultaneously the co-transformed phosphinothricin acetyltransferase gene (bar) controlled by CaMV 35S promoter in another plasmid (p35S:BAR) also existed with only one copy. When pDB1 and (pUbi:in2) were cobombarded, the regenerated transgenic maize plant exhibited with only one copy of in2 gene too. It suggested that the copy number of transgenes in maize transformants was low if the transgenes controlled by maize Ubi-1 promoter. The possible reason might be that the foreign genes were integrated site-specifically via homologous recombination between Ubi-1 promoter and its endogenous sequences in maize genome, and two cotransformed plasmids had reconstructed as one intact molecule before integrating into maize chromosome. On the contrary, if p35S:BAR was cobom-barded with plasmid pAct:In1 containing rice Act-1 promoter (without maize Ubi-1 promoter), the transgenic maize plants had 4 approximately 8 copies of bar gene. These results reflected that utilization of self gene promoter could reduce the copy number of the transgenes in transgenic plants of certain species itself and avoid the occurrence of gene silencing. T2 seeds have been harvested.
Gene Dosage
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Plant Proteins
;
genetics
;
Plants, Genetically Modified
;
genetics
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Promoter Regions, Genetic
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Ubiquitin C
;
genetics
;
Zea mays
;
genetics
4.Effects of Shuwei Decoction on the expressions of Beclin-1, mTOR, Cx43 Protein and mRNA in gastrointestinal smooth muscle of rats with functional dyspepsia due to liver depression and spleen deficiency
Xuan GUO ; Song-Wei YANG ; Su-Nan JIANG ; Yin XU ; Xiao-Juan WANG ; Lin-Gui HUANG ; Jie ZHU
Chinese Traditional Patent Medicine 2018;40(2):270-275
AIM To investigate the therapeutic action and mechanism of Shuwei Decoction (Bupleuri Radix,Cyperi Rhizoma,Atractylodis macrocephalae Rhizoma,etc.) on functional dyspepsia (FD) from the perspectives of autophagy and intercellular gap junction pathway through its impact on the expressions of Beclin-1,mTOR,Cx43 protein and mRNA in gastric antrum pyloric smooth muscle cells of FD model rats.METHODS Sixty Wistar rats were randomly divided into control (blank) group,model group,mosapride group (1.37 mg/kg),low,medium and high dose Shuwei Decoction groups (7.67 g/kg,15.34 g/kg,30.68 g/kg,respectively).FD model rats were prepared according to compound etiological modeling method for 21 days.On the first day after modeling,the rats in each group were given the corresponding medicine for intragastric administration once a day for 14 days.Two hours after the last administration,we procured gastric antrum and pyloric tissues from the sacrificed rats.The expressions of Beclin-1,mTOR and Cx43 protein were detected by Western blot,and so were the expressions of Beclin-1,mTOR and Cx43 mRNA by quantitative real-time PCR (RT-qPCR).RESULTS We observed decreased expression of Beclin-1 protein in low,medium and high dose Shuwei Decoction groups (P < 0.01),and an increased expression of Cx43 protein in high dose Shuwei Decoction group (P < 0.05).In medium and high dose Shuwei Decoction groups,decreased expression of Beclin-1 mRNA (P < 0.01),and increased expression of mTOR and Cx43 mRNA (P < 0.01) were detected as well.CONCLUSION Shuwei Decoction can improve FD by suppressing cell autophagy and enhancing the function of gap junction through up-regulating the expression of mTOR mRNA and Cx43 protein and mRNA,and down-regulating the expression of Beclin-1 protein and mRNA.
5.Is KPNB3 locus associated with schizophrenia?
Li-Bo LIU ; Ying HU ; Gui-Zhi JU ; Xuan ZHANG ; Lin XIE ; Shu-Zheng LIU ; Jie-Ping SHI ; Ya-Qin YU ; Qi XU ; Yu FAN ; Yan SHEN ; Jun WEI
Biomedical and Environmental Sciences 2007;20(1):52-55
OBJECTIVETo reconfirm the association of KPNB3 with schizophrenia in Chinese population.
METHODSTwo single nucleotide polymorphisms (SNPs), rs2588014 and rs626716 at the KPNB3 locus, were genotyped in 304 Chinese Han family trios consisting of fathers, mothers, and affected offsprings with schizophrenia. These 2 SNPs were detected by PCR-based restriction fragment length polymorphism (RFLP) analysis. The Hardy-Weinberg equilibrium for genotypic distributions was estimated by the goodness-of-fit test. The UNPHASED program was used to perform transmission disequilibrium test (TDT), haplotype analysis, and pair-wise measure of linkage disequilibrium (LD) between these 2 SNPs.
RESULTSThe genotypic distributions of both rs2588014 and rs626716 were in the Hardy-Weinberg equilibrium (P > 0.05). The TDT revealed allelic association with rs626716 (chi2 = 9.31, P = 0.0023) but not with rs2588014 (chi2 = 3.44, P = 0.064). The global P-value was 0.0099 for 100 permutations. The haplotype analysis also showed a disease association (chi2 = 25.97, df = 3, P = 0.0000097).
CONCLUSIONThe present study provides further evidence in support of the KPNB3 association with schizophrenia in Chinese population.
Adult ; China ; epidemiology ; Female ; Genetic Predisposition to Disease ; Genotype ; Humans ; Male ; Polymorphism, Single Nucleotide ; Schizophrenia ; epidemiology ; genetics ; beta Karyopherins ; genetics
6.Antisperm-antibodies induced by testicular torsion and its influence on testicular function.
Guang-bo FU ; Li-xin QIAN ; Yu-gui CUI ; Zong-yuan XU ; Heng-bao XUAN ; Jia-geng ZHU ; Wei ZHANG
National Journal of Andrology 2006;12(11):988-991
OBJECTIVETo investigate the changes of antisperm antibodies (AsAb), sexual hormones, and inhibin B (INH B) in patients before and after testicular torsion, as well as the effects of these factors on testicular function and reproduction.
METHODSTen patients with single acute testicular torsion (left side 9 and right side 1), aged 16-45 years (19.6 on average), disease course of 3-6 days (averaging 4.7 days), underwent surgical removal of the damaged testis. Before and after the operation, serum AsAb (IgG, IgM, IgA) and INH B were measured by ELISA, and serum follicle-stimulating hormone (FSH), luteotropic hormone (LH), and testosterone (T) determined by chemoluminescence autoanalyzer.
RESULTSAfter the operation, the AsAb levels rose significantly and remained high for at least 26 weeks. The level of INH B was the lowest in the 3rd week and restored to normal in the 12th week, with significant difference between preoperation and the 3rd or the 6th week after the operation. The levels of LH and INH B in the 26th week were elevated significantly compared with the 6th.
CONCLUSIONTesticular injury induced the elevation of AsAb, which would last a very long time. The change of INH B was closely related with the injury of the testis, which reflected the degree of testicular injury and functional restoration of the patients after the operation. Our study showed that AsAb and INH B can be used as useful tools for monitoring testicular function and reproduction.
Adolescent ; Adult ; Autoantibodies ; blood ; Follicle Stimulating Hormone ; blood ; Humans ; Inhibins ; blood ; Luteinizing Hormone ; blood ; Male ; Middle Aged ; Orchiectomy ; Spermatic Cord Torsion ; immunology ; physiopathology ; surgery ; Spermatozoa ; immunology ; Testis ; physiopathology ; Testosterone ; blood
7.Clinical Observation of Xiaotan Tongluo Gel Combined with Mecobalamin Tablets in Ttreating Peripheral Neurotoxicity Induced by Chemotherapy
Jing-Yu XU ; Xuan ZHANG ; Xiao-Wei WANG ; Zhi-Feng QIN ; Ji-Gui TANG ; Ye LU ; Pin-Kang WEI
Chinese Journal of Information on Traditional Chinese Medicine 2018;25(7):11-15
Objective To investigate clinical efficacy of Xiaotan Tongluo Gel combined with mecobalamin tablets in treating chemotherapy-induced peripheral neuropathy (CIPN). Methods Totally 67 cases of CIPN were divided into the treatment group (36 cases) and the control group (31 cases). Both groups were given mecobalamin tablets, 0.5 mg each time, three times a day, orally. Patients in the treatment group were treated with Xiaotan Tongluo Gel for external use at the same time. The patients in control group were treated with placebo gel for external use, 1 mL/cm2, rubbed on the skin 1 cm more than sensory obstruction in diameter. The treatment for both groups lasted for 14 d as a treatment course, and the treatment lasted for 2 courses. The changes of peripheral nerve toxicity, TCM syndrome scores and the nerve conduction velocity were observed in the two groups. Results On the 14th and 28th days of treatment, the total effective rates of peripheral nerve toxicity were 75.00% and 91.67% in the treatment group, and 38.71% and 67.74% in the control group, and the treatment group was significantly better than those of the control group (P=0.002, P=0.005); On the 14th and 28th days of treatment, the total effective rate of TCM efficacy in the treatment group was 75.00% and 94.44% respectively, and that in the control group was 45.16% and 64.52% respectively, and the treatment group was significantly better than the control group (P=0.018, P=0.005). Compared with before treatment, the TCM syndrome scores in both groups were significantly reduced on the 14th and 28th days (P<0.01); The TCM syndrome scores in the treatment group were significantly lower than those in the control group at the same time points after treatment (P<0.01). Compared with before treatment, the sensory and motor nerve conduction speeds of the peroneal and median nerves in the two groups at 14th and 28th days were significantly increased (P<0.01); Comparing the two groups at the same time point after treatment, the sensory and motor nerve conduction velocity of the peroneal and median nerves in the treatment group was significantly better than that in the control group (P<0.05, P<0.01). Conclusion Xiaotan Tongluo Gel combined with mecobalamin tablets can effectively improve the peripheral neurotoxicity induced by chemotherapy, TCM syndrome scores, and the nerve conduction velocity.
8.Application of tacrolimus and cyclosporine A in HBV-carrying renal transplant recipients.
Xiao-you LIU ; Li-xin YU ; Shao-jie FU ; Jian XU ; Chuan-fu DU ; Wen-feng DENG ; Yi-bin WANG ; Gui-rong YE ; Yan-xuan ZHANG
Journal of Southern Medical University 2007;27(7):1090-1092
OBJECTIVETo compare the long-term effect and safety of tacrolimus (FK506) and cyclosporine (CsA) in kidney transplant (KT) recipients carrying hepatitis B Virus(HBV).
METHODSA total of 109 patients with HBV were randomized into FK506 group (52 cases) and CsA group (57 cases) after KT, and a 2-year-long follow-up of the patients was conducted to record the patient and graft survival, incidence of acute graft rejection and postoperative liver function.
RESULTSThe 2-year patient/graft survival was 86.0%/73.7% and 94.2%/90.3% in CsA and FK506 groups, respectively (P<0.05), with incidence of acute rejection of 10.5% and 9.6% (P>0.05), and rate of abnormal liver function of 26.3% and 15.4% (P<0.05), respectively. Eight patients (14.4%) in CsA group required a drug conversion but none in FK506 group. The drug conversion resulted in significant reduction of ALT/AST level from 255.13+/-31.38/201.88+/-21.25 U/L to 31.25+/-11.50/25.13+/-9.68 U/L (P<0.01).
CONCLUSIONFor HBV-carrying renal transplant recipients, FK506 as the primary choice of immunosuppressant can be more effective and safer than CsA.
Adolescent ; Adult ; Carrier State ; physiopathology ; Cyclosporine ; administration & dosage ; adverse effects ; pharmacology ; Drug-Related Side Effects and Adverse Reactions ; Female ; Graft Rejection ; Hepatitis B Surface Antigens ; metabolism ; Hepatitis B virus ; Humans ; Kidney Transplantation ; adverse effects ; Liver ; drug effects ; physiology ; Male ; Middle Aged ; Tacrolimus ; administration & dosage ; adverse effects ; pharmacology ; Young Adult
9.Low-dose cytarabine and aclarubicin in combination with granulocyte colony-stimulating factor priming in 50 patients with relapsed acute myeloid leukemia.
Bo-Gui ZHU ; Si-Xuan QIAN ; Ming HONG ; Hua LU ; Han-Xin WU ; Su-Jiang ZHANG ; Hong-Xia QIU ; Wei XU ; Jian-Yong LI
Journal of Experimental Hematology 2009;17(3):760-764
To evaluate the efficacy and toxicity of low-dose cytarabine and aclarubicin in combination with granulocyte colony-stimulating factor (G-CSF) protocol for patients with relapsed acute myeloid leukemia (AML). A total of fifty relapsed patients have been enrolled, including 13 early relapsed and 37 late relapsed. 24 patients were male and 26 were female, with age ranging from 15 to 69 (median 47) years. Out of them, 7 patients relapsed after allogeneic peripheral blood stem cell transplantation (allo-PBSCT), 3 patients relapsed after autologous peripheral blood stem cell transplantation (auto-PBSCT), 25 patients relapsed after received regimens including high dose cytarabine and 15 patients relapsed after CR or stopping chemical therapy themself in course of consolidatory therapy. 30 relapsed patients received CAG regimen, and 20 patients (control group) received an anthracycline in combination with cytarabine. The results indicated that after one course, the complete remission (CR) rate was 46.7% (14/30), the CR rate after allo-PBSCT was 50% (3/6), the early death rate was 3.3% in CAG group; and CR rate was 30% (6/20) and the early death rate was 15% in control group. Myelosuppression was mild to moderate, and no severe nonhematologic toxicity was observed in two groups. The overall median times in CAG group and control group were 22 and 19 months respectively. In conclusion, CAG regimen as the induction therapy is effective and well tolerable with low side effects for relapsed patients who had received high dose cytarabine, auto-PBSCT or allo-PBSCT.
Aclarubicin
;
administration & dosage
;
Adolescent
;
Adult
;
Antineoplastic Combined Chemotherapy Protocols
;
therapeutic use
;
Cytarabine
;
administration & dosage
;
Female
;
Granulocyte Colony-Stimulating Factor
;
administration & dosage
;
Humans
;
Leukemia, Myeloid, Acute
;
drug therapy
;
Male
;
Middle Aged
;
Recurrence
;
Treatment Outcome
;
Young Adult
10.Myxoid adrenal cortical tumor: report of four cases.
Jia-Yan SHENG ; Hong-Chao HE ; Yu ZHU ; Yu-Xuan WU ; Zhou-Jun SHEN ; Ju-Ping ZHAO ; Gui MA ; Yun-Ze XU
Chinese Medical Journal 2012;125(9):1672-1674
Myxoid adrenocortical neoplasms are rare. Surgical resection of the mass is the first-line therapy. Here we reported a total of four patients, aged 44–66 years, diagnosed with myxoid adrenocortical tumor. The clinical characteristics and immunohistochemical features of the tumor are discussed in the current literature.
Adrenal Cortex Neoplasms
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diagnosis
;
metabolism
;
surgery
;
Adult
;
Aged
;
Biomarkers, Tumor
;
metabolism
;
Female
;
Humans
;
Male
;
Middle Aged