1.Expression of activating transcription factor 5(ATF5) in renal cell carcinoma
Xiongjun YE ; Zhiwen ZHANG ; Guiting LIN
Chinese Journal of Urology 2001;0(04):-
ObjectiveTo investigate the differential expression of ATF5--a novel gene fished out by yeast two hybrid from renal carcinoma library.MethodsRT-PCR and Northern blot was used to examine the expression level of ATF5 in renal cell line A498,786-O,GRC-I,293 and HK-2.The area absorbance value of ATF5 RNA was quantitative by computerized-imaging system.ResultsCompared with the controls,the expression level in renal cancer cell line(A498,786-O,GRC-I) and embryonal cell line (293)is much higher than that in the normal cell line HK-2.ConclusionsIt is indicated that ATF5 may play a significant role in the renal carcinogenesis through cross-talk with Wnt signal pathway.
2.Screening of the interaction protein with Wnt signaling molecular-TCF4 from renal carcinoma cDNA library by yeast two hybrid
Xiongjun YE ; Guiting LIN ; Zhiwen ZHANG
Chinese Journal of Urology 2000;0(12):-
ObjectiveTo investigate the interaction pr otein with Wnt signaling molecular-TCF4 in renal carcinogenesis.Me thodsThe N terminal and DNA binding domain of human T cell factor 4 (TCF4ND, 1~495 aa) was used as a bait to screen the renal carcinoma cDNA libra r y by yeast two hybrid.Results51 positive colonies were fished out such as ?-catenin,TCF4,activating transcription factor 5(ATF5),and 2 unknown genes.ConclusionsIt is indicated that exten sive signaling cross-talks between Wnt and other signaling pathways might play an significant role in renal carcinogenesis.
3.Studies on the activation of oncogenes by alternariol in human fetal esophageal epithelium
Peng ZHANG ; Zi-Ming DONG ; Huiling HAO ; Guiting LIU ; Yingzhong ZHEN ; Jian MIAO ; Xiaoxing CUI ; Wanwan LIANG ; Shixin LU
Chinese Journal of Pathophysiology 1986;0(03):-
This paper reported that the activation of oncogenes in human fetal esopha geal epithelium treated by alternariol (AOH). It was found that NIH/3T3 cells were transformed via transfeetion of DNA extracted from human fetal esophageal epithelium which was cultured and treated by 10?g/ml AOH in a short term in vitro. The efficiency of primary loci was 0.17 focus per ?g of DNA. In the secondary transfection, the efficiency was 0.58 focus per ?g of DNA (P
4.Peripheral blood apelin level in patients with acute ST-elevation myocardial infarction and its prognostic value.
Jian SHEN ; Xu ZHANG ; Zhiming LI ; Guiting XIE ; Shengxiong NONG ; Yuansheng SHEN
Journal of Southern Medical University 2015;35(3):407-412
OBJECTIVETo investigate peripheral blood apelin levels in patients with acute ST-elevation myocardial infarction (STEMI) and their correlation with the one-year outcome of the patients.
METHODSA total of 153 consecutive patients, including 93 with acute STEMI undergoing primary percutaneous coronary intervention (PCI), 30 with acute STEMI and 30 with stable angina all undergoing elective PCI, and 10 healthy control subjects were examined for peripheral blood apelin levels and clinical parameters. The composite endpoints (CEPs) were determined at the one year follow-up.
RESULTSApelin levels were significantly decreased in all the patients at admission, but increased following primary PCI. Apelin levels showed a negative correlation with glycosylated hemoglobin levels. At one year following PCI, the patients with a lower apelin level showed an increased risk for lowered left ventricular ejection fraction ratio, but further analysis failed to provide evidence that apelin levels were predictive of the one-year outcome.
CONCLUSIONPeripheral blood apelin levels might be useful for predicting the clinical outcomes of patients with acute STEMI.
Acute Disease ; Apelin ; Biomarkers ; blood ; Case-Control Studies ; Humans ; Intercellular Signaling Peptides and Proteins ; blood ; Myocardial Infarction ; blood ; diagnosis ; Percutaneous Coronary Intervention ; Prognosis ; Ventricular Function, Left
5.Report of a case of penile epithelioid sarcoma.
Kan GONG ; Ning ZHANG ; Zhongcheng XIN ; Li ZENG ; Guiting LIN ; Yanqun NA
National Journal of Andrology 2004;10(3):205-207
OBJECTIVETo enhance the knowledge and the effect of the diagnosis and treatment of primary epithelioid sarcoma of the penis.
METHODSOne rare case of primary epithelioid sarcoma of the penis was studied with regard to its primary clinical process and characteristics, differential diagnosis and method of treatment.
RESULTSAn operation was performed on the penis to treat the epithelioid sarcoma. The diagnosis was confirmed by immunohistological and pathological techniques. There was no evidence of relapse during the three-year follow-up after operation.
CONCLUSIONThe possibility of primary epithelioid sarcoma of the penis should be considered if a mass or induration of the proximal penis and the symptoms of urethremphraxis are found. Total phallectomy could be chosen as an appropriate method of treatment. Unless adenopathy is palpable, node dissections are not recommended.
Adult ; Diagnosis, Differential ; Humans ; Male ; Penile Neoplasms ; diagnosis ; pathology ; surgery ; Sarcoma ; diagnosis ; pathology ; surgery
6.Gene expression profiles and effects of transforming growth factor-beta1 intervention in Peyronie's disease.
Zhong WANG ; Jing-fang LIU ; Zhi-heng ZHOU ; Yuan-fang ZHANG ; Wen-jian WANG ; Peng ZHANG ; Yucel SELCUK ; Lin GUITING ; Ching-shwun LIN
Chinese Journal of Surgery 2004;42(3):182-186
OBJECTIVETo demonstrate molecular insight into the pathology of Peyronie's disease (PD). A preliminary profile of differential gene expression between the PD plaque and control tunica albuginea was obtained with DNA microarrays. Also, to investigate the effect of intervention in PD cells, transforming growth factor-beta1 (TGF-beta1) was recruited to treat PD cell lines.
METHODSThree PD plaques and control tunica albugineas were constructed and studied. cDNA probes were prepared from RNA isolated from those cells and hybridized with the Clontech Atlas 3.6 Array. Relative changes of greater than 2.0 defined up-regulation and down-regulation, respectively. The expression of selected individual gene MCP-1 and the effect of TGF-beta1 on MCP-1 were analyzed by reverse transcriptase-polymerase chain reaction.
RESULTSSome up-regulated genes in the PD plaque detected by the Clontech assay were screened, one of them was monocyte chemotactic protein. One involved the pathogenesis of PD as a downstream gene and responded to the TGF-beta1 treatment but not CTGF. The results were also confirmed by TR-PCR in all the types of cell.
CONCLUSIONSThe cell lines from plaque tissue and normal tunica from men with PD were successfully established. The findings indicate a potential role for MCP-1 over expression in the pathogenesis of PD as a downstream gene regulated by some genes and could be a new therapeutic target in PD. The information may allow a better understanding of the basic mechanisms involved in the etiology and pathogenesis of PD. Furthermore, it may permit some strategies of therapeutic interventions combine routine methods with Chinese herbal medicine.
Cell Line ; Chemokine CCL2 ; Gene Expression ; drug effects ; Gene Expression Profiling ; Humans ; Male ; Oligonucleotide Array Sequence Analysis ; Penile Induration ; drug therapy ; genetics ; pathology ; Proteins ; genetics ; Reverse Transcriptase Polymerase Chain Reaction ; Transforming Growth Factor beta ; pharmacology
7. Study on direct economic burden and influencing factors in patients with cervical cancer and precancerous lesions
Siyuan TAO ; Jieru PENG ; Ying WANG ; Guiting ZHANG ; Zhiyu CHEN ; Fei ZHAO ; Jianqiao MA ; Xue YANG ; Youlin QIAO ; Fanghui ZHAO ; Chunxia YANG
Chinese Journal of Preventive Medicine 2018;52(12):1281-1286
Objective:
To account the direct cost of uterine cervix carcinoma treatment in China and to explore the related factors which influence the direct financial burden of the disease.
Methods:
Data was collected through the medical record system and telephone interviews in 14 county-level hospitals and 9 provincial and municipal hospitals from 14 provinces/municipalities enrolled in the Chinese National Health Industry Research Project in 2015. The direct financial burden of uterine cervix carcinoma treatment consisted of the direct medical cost and the direct non-medical cost of treatment in different pathological cervical cancer stages and precancerous lesions. Multiple liner regression method was used to analyze the factors affecting the costs.
Results:
The age of the 3 246 patients was (46.40±10.43) years, including 2 423 patients from provincial and municipal hospitals and 823 patients from county-level hospitals. The direct financial burden for one patient of pathological uterine cervix carcinoma stage or precancerous lesion ranged from 10 156.3 yuan to 75 716.4 yuan in provincial and municipal hospitals, and for patients from county-level hospitals, the cost was between 4 927.9 yuan and 47 524.8 yuan per person. There was a wide gap between the direct financial burden of patients in different disease stages. The direct financial burden of patients with precancerous lesions ranged from 4 927.9 yuan per person to 11 243.0 yuan per person, as for patients of pathological uterine cervix carcinoma stages, the direct financial burden was between 29 274.6 yuan and 75 716.4 yuan per person. The factors which influence direct financial burden would include: the levels of the hospital, pathological period, medicare reimbursement, days of treatment, and the methods of treatment (
8.Comparison on short-term clinical effects of totally thoracoscopic surgery and traditional open-heart surgery in the treatment of esophageal cancer
Guiting LIU ; Kefeng GAO ; Na YANG ; Shengqiang ZHANG ; Jianwei HUANG ; Xiaoxuan QI ; Ning YANG ; Liu YANG
China Modern Doctor 2018;56(13):44-46
Objective To compare the short-term clinical effects of totally thoracoscopic surgery and traditional open-heart sugery in the treatment of esophageal cancer. Methods 64 patients with middle thoracic esophageal cancer admitted in our hospital from June 2013 to June 2016 were selected. Among them, 32 patients underwent totally thoracoscopic surgery were identified as totally thoracoscopic group and the remaining 32 patients underwent traditional open-heart surgery were identified as control group. We compared various surgical indicators of patients in the two groups. Results In the totally thoracoscopic group, the duration of operation was(123. 8±25. 1) min, the amount of blood loss during surgery was (172. 1±30. 3) mL, the retention time of chest drainage tube was (3. 1±1. 1) d and the duration of hospitalization was (15. 6±2. 7) d. Compared with the control group, these indicators showed significant difference(P<0. 05). The incidence of postoperative complications in the totally thoracoscopic group was 9. 3%, which was significantly lower than that in the control group(31. 3%)(P<0. 05). The pain severity of totally thoracoscopic group reduced significantly than the control group(P<0. 05). Conclusion Compared with the traditional open-heart surgery, totally thoracoscopic surgery for esophageal cancer has advantages of less bleeding, less trauma, few complications and less pain, which is worthy of promoting and using widely in clinic.
9.OxLDL/β2GPⅠ/β2GPⅠ-Ab complex in regulating the phenotypic transformation of A7r5 and the expression of lipid transporters
Peng ZHANG ; Hong ZHOU ; Chao HE ; Yudan CHEN ; Ting WANG ; Guiting ZHANG ; Yuye YAO ; Qianqian WU ; Ren WANG
Chinese Journal of Clinical Laboratory Science 2019;37(3):195-201
Objective:
To investigate the effects of oxidized low-density lipoprotein/β2 glycoproteinⅠ/β2 glycoproteinⅠantibody (oxLDL/β2GPⅠ/β2GPⅠ-Ab) complex on the phenotypic transformation and lipid transpoters on the surface of rat thoracic aorta smooth muscle cell line (A7r5), and their correlation with toll-like receptor 4 (TLR4) signaling pathway.
Methods:
A7r5 cells were stimulated by oxLDL, oxLDL/β2GPⅠ complex, oxLDL/β2GPⅠ-Ab complex, β2GPⅠ/β2GPⅠ-Ab complex and oxLDL/β2GPⅠ/β2GPⅠ-Ab complex respectively, and then total RNA and protein were collected. The expressions of α-smooth muscle actin (α-SMA), macrophage surface marker CD68, galectin-3 (LGALS3), scavenger receptor class B member 3 (CD36) and ATP-binding cassette transporter A1/G1 (ABCA1/ABCG1) were detected by real-time quantitative PCR (RT-qPCR), western blot and immunofluorescence (IF) respectively. The roles of TLR4 and its downstream signaling molecules in the phenotypic transformation and expression changes of lipid transporters of A7r5 cells induced by oxLDL/β2GPⅠ/β2GPⅠ-Ab complex were investigated by the pretreatment of TLR4 blocker TAK-242 (5 μmol/L) or c-Jun N-terminal kinases 1/2 (JNK 1/2) blocker SP600125 (90 nmol/L).
Results:
The oxLDL/β2GPⅠ/β2GPⅠ-Ab complex significantly increased the levels of CD68 and LGALS3, and decreased the level of α-SMA, while TAK-242 could reverse this phenomenon. The oxLDL/β2GPⅠ/β2GPⅠ-Ab complex could promote the expression of CD36 and inhibit the expression of ABCA1/ABCG1, while TAK-242 and SP600125 could reverse this process.
Conclusion
The oxLDL/β2GPⅠ/β2GPⅠ-Ab complex promotes the phenotypic transformation of A7r5 cells to macrophage-like cells, regulates the expression of lipid transport-related molecules and enhances the ability of lipids transport into cells. TLR4 and JNK1/2 are closely related to this process.
10.β2GP/anti-β2GP complex inhibits oxLDL-mediated lipid accumulation and FAK activation in THP-1 macrophages
Chao He ; Hong ZHOU ; Guiting ZHANG ; Yudan CHEN ; Peng ZHANG ; Ren WANG ; Qianqian WU ; Yuye YAO ; Ming KUANG
Chinese Journal of Clinical Laboratory Science 2019;37(6):401-406
Objective:
To investigate the effects of β2 glycoprotein Ⅰ/anti-β2 glycoprotein Ⅰ complex (β2/aβ2) on oxidized low density lipoprotein (oxLDL)-mediated lipid accumulation and focal adhesion kinase (FAK) activation in THP-1 macrophage, as well as the role of Toll-like receptor 4 (TLR4) during the process.
Methods:
THP-1 cells were differentiated into THP-1 macrophage by PMA (100 ng/mL). THP-1 macrophages were treated with RPMI 1640 medium, oxLDL, oxLDL+β2/aβ2 or oxLDL+lipopolysaccharide (LPS). The mRNA expressions of lipid transportation molecules, ACAT1, ABCA1 and ABCG1 were detected by RT-qPCR. Intracellular total cholesterol (TC) and free cholesterol (FC) in THP-1 macrophages were evaluated by Trinder assay, then the content and proportion of intracellular cholesteryl ester (CE) were calculated. The expression and phosphorylation of FAK were detected by immune fluorescence, RT-qPCR and western blot. To evaluate the role of TLR4, THP-1 macrophages were pre-treated with or without TLR4 inhibitor TAK-242 (1 μg/mL).
Results:
β2/aβ2 treatment significantly inhibited oxLDL-mediated lipid accumulation and FAK expression and phosphorylation in THP-1 macrophages, which could be reversed by TLR4 blockage.
Conclusion
β2/aβ2 inhibits the oxLDL-mediated lipid accumulation and FAK activation of THP-1 macrophage, which is related to the function of TLR4.