1.Molecular and histologic characteristics of secondary imatinib-resistant gastrointestinal stromal tumors.
Song ZHENG ; Jing JIA ; Yue-long PAN ; De-you TAO ; Hong-sheng LU
Chinese Journal of Pathology 2013;42(1):42-43
Aged
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Antineoplastic Agents
;
therapeutic use
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Benzamides
;
therapeutic use
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Drug Resistance, Neoplasm
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Exons
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Gastrectomy
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methods
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Gastrointestinal Neoplasms
;
drug therapy
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metabolism
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pathology
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surgery
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Gastrointestinal Stromal Tumors
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drug therapy
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metabolism
;
pathology
;
surgery
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Humans
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Imatinib Mesylate
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Liver Neoplasms
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drug therapy
;
secondary
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Male
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Piperazines
;
therapeutic use
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Point Mutation
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Proto-Oncogene Proteins c-kit
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genetics
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metabolism
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Pyrimidines
;
therapeutic use
2.Status and impact factors of mental symptoms in schizophrenics at home in Jinshan District of Shanghai
Lian-lian NIE ; Sheng-qiong PAN ; Long-hui WU
Shanghai Journal of Preventive Medicine 2020;32(7):587-
Objective To analyze the current status of mental symptoms and related influencing factors in patients with schizophrenia, and to provide reference for helping patients achieve better home rehabilitation. Methods Cluster extraction was done of 371 home schizophrenia patients registered in the community, and follow-up surveys were carried out for general demographic data, family status, current status of the disease, and treatment status.Univariate and multivariate logistic regression analysis was used for each factor in affecting the patient′s mental symptoms. Results All of the 371 patients completed follow-up surveys, and 121 patients with positive psychotic symptoms (positive rate 32.61%).Univariate analysis showed that differences in the economic situation, course of illness(years), risk behavior level, self-knowledge, hospitalization and working status were statistically significant (
3.Fetal Membrane Derived Adherent Cells: a Novel Source for Mesenchymal Stem Cells
Zhi-Cheng MA ; Zhi-Gao LONG ; Ling-Qian WU ; Qian PAN ; De-Sheng LIANG ; He-Ping DAI ; Kun XIA ; Jia-Hui XIA ;
China Biotechnology 2006;0(07):-
Objective: To establish a method for isolation and purification of fetal membrane derived adherent cells (FMDACs) , and investigate their biological characteristics. Method: FMDACs were isolated with trypsin inducing and cultured in vitro. FMDACs were induced to differentiate into osteoblasts and adipocytes. FACS and immunocytochemistry technique were used to examine the cell surface antigen. The genetic stability was verified by karyotype analysis. Results: FMDACs were successfully isolated and expanded in vitro. They had strong proliferative ability. FMDACs were positive for CD44 and CD29, but negative for CD34, CD14 and CD45. FMDACs were differentiated into osteoblasts and adipocytes after inducement. The karyotype was stable in the sixth-passaged FMDACs and the tumorigenicity was not found. Conclusion; FMDACs have the possibility of multipotent stem cells, which have strong capacities of self-renewal and multidirectional differentiation. The genetic background of FMDACs is stable. FMDACs may be used as a kind of novel seed cells for tissue engineering.
4.Transcription factor activity profile of human hepatocellular carcinoma cell lines with different metastatic potentials.
Qi PAN ; Lu WANG ; Hui-chuan SUN ; Yin-kun LIU ; Sheng-long YE ; Zhao-you TANG
Chinese Journal of Hepatology 2006;14(1):37-40
OBJECTIVESTo examine the activities of transcription factors (TFs) in human hepatocellular carcinoma (HCC) cell lines with different metastatic potentials, so as to identify the TFs associated with HCC metastasis.
METHODSTranscription factor activity profile of Hep3B, MHCC97L and MHCC97H, three HCC cell lines with different metastatic potentials, were examined using protein/DNA array. Electrophoretic mobility shift assays (EMSA) and Western blot were used to confirm the results obtained by protein/DNA array.
RESULTSFrom a total of 345 screened TFs, 7 activity differential TFs were found, of which 5 showed increased activity, including p53, hypoxia inducible factor-1 alpha (HIF-1alpha), signal transducer and activator of transcription 3 (Stat3) and Sp1, and 2 showed decreased activity including Rb and Smad3.
CONCLUSIONThe abnormal functioning of transcription factors is closely associated with HCC metastasis. Our present findings could be of help in expanding our understanding of the mechanism of HCC metastasis and identify new predictive biomarkers and therapeutic targets.
Carcinoma, Hepatocellular ; metabolism ; pathology ; Cell Line, Tumor ; DNA Fingerprinting ; Humans ; Liver Neoplasms ; metabolism ; pathology ; Neoplasm Metastasis ; Protein Array Analysis ; Transcription Factors ; classification ; genetics ; metabolism
5.Quality control of Lonicerae japonicae flos with standard reference extract.
Shao-Yong LIU ; Wen-Ming ZHANG ; Jian-Chao PAN ; Dong-Sheng XUE ; Wen-Long LI ; Hai-Bin QU
China Journal of Chinese Materia Medica 2013;38(13):2147-2150
The high price of the reference substances is an obstacle for the HPLC analysis of Lonicerae Japonicae Flos. To solve this problem, a new method based on the standard reference extract (SRE) was proposed. In this study, the extract of Lonicerae Japonicae Flos was calibrated, and the long-term stability was investigated. Different concentration solutions of SRE were prepared for establishment of the calibration profiles, and 6 organic acids were determined. T-test was used for the comparison of the determination results via reference substances and SRE, and the results demonstrated that there is no significant difference between the two methods. The presented method can be used for the quality control of Lonicerae Japonicae Flos, and will also offer reference to resolve similar problems.
Flowers
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chemistry
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Lonicera
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chemistry
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Plant Extracts
;
standards
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Quality Control
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Reference Standards
6.Detection of P53 and K-ras gene mutations in lung cancer with oligonucleotide chip.
Jun-Bo LIU ; Ji-Pan XIE ; Zong-Liang ZOU ; Lin-Jie CHEN ; Long-Yun LI ; Sheng-Qi WANG
Chinese Journal of Biotechnology 2002;18(4):447-451
Different factors including hybridization solution components, hybridization temperature, and the concentration and proportion of the labelled primer, which affected the sensitivity and specificity of single mutation identification, were exploited. Asymmetric PCR increased the hybridization sensitivity, and the asymmetric multi-PCR did not affect the specificity, while the sensitivity was improved a little. Among 30 lung cancer samples detected with the oligonucleotide microarray, 12 was found P53 gene mutations and 5 had K-ras gene mutations. The P53 gene mutations identified by the oligonucleotide microarray was proved 80% same as the sequencing results. The obvious statistical relations of K-ras and P53 gene mutations with tumor type, tumor stage and smoking were not obtained because of less samples and mutation sites.
Genes, ras
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genetics
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Humans
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Lung Neoplasms
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genetics
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pathology
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Mutation
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Oligonucleotide Array Sequence Analysis
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methods
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Oligonucleotides
;
genetics
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Sensitivity and Specificity
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Tumor Suppressor Protein p53
;
genetics
7.Related factors of traumatic brain injury combined with multiple injuries
Guo-Bing HUANG ; Xue-Wu PAN ; Sheng-Sheng CAO ; Ying LIU ; Bo-He LI ; Long CAI
Chinese Journal of Neuromedicine 2013;12(8):819-822
Objective To analyze the clinical features of craniocerebral injury combined with multiple injuries,and investigate the significance of severity index and its comprehensive treatments.Methods The clinical data of 123 patients with traumatic brain injury combined with multiple injuries,admitted to our hospital from September 2009 to September 2012,were collected.The relationships between survival rate and such factors as gender,age,systolic pressure,basic disease,operation treatment,GCS scores,ISS scores,injury time,platelet count,blood glucose level,brain injury combined with other injuries and complications were determined by univariate analysis and multivariate logistic regression analysis with SPSSl3.0.Results Logistic regression analysis revealed that systolic pressure ≤8.0 kPa,basic disease,GCS scores≤8,ISS scores ≥25,injury time,thoracic and abdominal injury and shock were independent prognostic factors of traumatic brain injury combined with multiple injuries.Conclusion The multiple injuries have various causes:the systolic pressure ≤ 8.0 kPa,basic disease,GCS scores≤8,ISS scores≥25,injury time,thoracic and abdominal injury and shock can be used to predict the severity of injury and prognosis; paying attention to the treatment of head injury is the key of successful treatment.
8.Complete mesocolic excision in right hemicolectomy: comparison between hand-assisted laparoscopic and open approaches.
Qin Song SHENG ; Zhe PAN ; Jin CHAI ; Xiao Bin CHENG ; Fan Long LIU ; Jin Hai WANG ; Wen Bin CHEN ; Jian Jiang LIN
Annals of Surgical Treatment and Research 2017;92(2):90-96
PURPOSE: To demonstrate the feasibility, safety, and technical strategies of hand-assisted laparoscopic complete mesocolic excision (HAL-CME) and to compare oncological outcomes between HAL-CME and the open approach (O-CME) for right colon cancers. METHODS: Patients who were scheduled to undergo a right hemicolectomy were divided into HAL-CME and O-CME groups. Measured outcomes included demographic variables, perioperative parameters, and follow-up data. Demographic variables included age, sex distribution, body mass index (BMI), American Society of Anesthesiologists (ASA) physical status classification, previous abdominal surgery, tumor localization, and potential comorbidities. Perioperative parameters included incision length, operative time, blood loss, conversion rate, postoperative pain score, postoperative first passage of flatus, duration of hospital stay, total cost, number of lymph nodes retrieved, TNM classification, and postoperative complications. Follow-up data included follow-up time, use of chemotherapy, local recurrence rate, distant metastasis rate, and short-term survival rate. RESULTS: In total, 150 patients (HAL-CME, 78; O-CME, 72) were included. The groups were similar in age, sex distribution, BMI, ASA classification, history of previous abdominal surgeries, tumor localization, and potential comorbidities. Patients in the HAL-CME group had shorter incision lengths, longer operative times, less operative blood loss, lower pain scores, earlier first passage of flatus, shorter hospital stay, higher total costs, similar numbers of lymph nodes retrieved, similar TNM classifications, and a comparable incidence of postoperative complications. The 2 groups were also similar in local recurrence rate, distant metastasis rate, and short-term survival rate. CONCLUSION: The results demonstrate that the HAL-CME procedure is a safe, valid, and feasible surgical method for right hemicolon cancers.
Body Mass Index
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Classification
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Colectomy
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Colonic Neoplasms
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Comorbidity
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Drug Therapy
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Flatulence
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Follow-Up Studies
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Hand-Assisted Laparoscopy
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Humans
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Incidence
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Laparoscopy
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Length of Stay
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Lymph Node Excision
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Lymph Nodes
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Mesocolon
;
Methods
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Neoplasm Metastasis
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Operative Time
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Pain, Postoperative
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Postoperative Complications
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Recurrence
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Sex Distribution
;
Survival Rate
9.Genetic linkage analysis in localizing a gene of autosomal dominant familial dilated cardiomyopathy with conduction defect.
Wei XU ; Bao-Rong ZHANG ; Zheng-Mao HU ; Qian PAN ; Xiao-Ping LIU ; De-Sheng LIANG ; Ling-Qian WU ; Fang CAI ; Zhi-Gao LONG ; Kun XIA ; Jia-Hui XIA
Journal of Central South University(Medical Sciences) 2005;30(5):510-514
OBJECTIVE:
To localize the gene of autosomal dominant familial dilated cardiomyopathy with conduction defect.
METHODS:
A Chinese family which was diagnosed as dilated cardiomyopathy with conduction defect was studied. Venous blood (3 - 5 mL) from some family members was collected, and genomic DNA was extracted from the blood. Then whole genome wide scan was performed after excluding the known markers on the candidate loci (CMD1A, CMD1 E, CMD1F, and CMD1H) by two-point linkage analysis.
RESULTS:
No significant evidence for linkage was found in the two point linkage analyses to the known markers in the analyzed family. And the whole genome wide scan showed the maximum LOD score reached 2.68 at marker D3S1614 ( at recombination fraction theta = 0).
CONCLUSION
The related gene in this kindred is located on 3q26 other than on CMD1A, CMD1H, CMD1E, and CMD1F.
Adult
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Arrhythmias, Cardiac
;
etiology
;
genetics
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Cardiomyopathy, Dilated
;
genetics
;
Chromosomes, Human, Pair 3
;
genetics
;
Female
;
Genetic Linkage
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Humans
;
Male
;
Microsatellite Repeats
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Middle Aged
;
Pedigree
10.Biological characteristics and safety evaluation of endothelial progenitor cells from the umbilical cord blood.
Zhi-cheng MA ; De-sheng LIANG ; Zhi-gang XUE ; Qiao ZENG ; Zhi-gao LONG ; Ling-qian WU ; Qian PAN ; He-ping DAI ; Kun XIA ; Jia-hui XIA
Journal of Central South University(Medical Sciences) 2007;32(3):466-472
OBJECTIVE:
To investigate the biological characteristics of endothelial progenitor cells (EPCs) from the umbilical cord blood (UCB), and to evaluate their oncogenicity after long-term culture in vitro.
METHODS:
The mononuclear cells (MNCs) were isolated from the UCB and cultured in MCDB131 medium supplemented with 20% FBS, VEGF and other growth factors. Morphology of the EPCs was observed, and the growth curve of the EPCs was investigated. Surface antigens of the EPCs were analyzed by the flow-cytometer. The capability of intaking the acetylated low-density lipoprotein (acLDL) of the EPCs was detected using fluoresencent chemical method. The vasoformative capability and genetic stability of EPCs were cultured in matrigel, and examined by karyotype analysis. The oncogenicity of EPCs was verified by the tumorigenesis test in athymic mouse and soft agar.
RESULTS:
EPCs were successfully derived from the UCB, and could be passaged to at least 42(nd) generation and had strong abilities of proliferation, acLDL intake and vasoformation, but there was not oncogenicity. They expressed endothelial cell-surface antigens and maintained normal karyotype.
CONCLUSION
The EPCs with proliferative potential can be isolated from the UCB. They can be passaged in long-term cultures without oncogenicity, and can maintain normal karyotype. The EPCs can be served as a new type of cells in cell and gene therapy.
Animals
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Antigens, Surface
;
analysis
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Cell Line
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Cell Proliferation
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drug effects
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Cells, Cultured
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Endothelial Cells
;
cytology
;
metabolism
;
Fetal Blood
;
cytology
;
Flow Cytometry
;
HeLa Cells
;
Humans
;
Infant, Newborn
;
Intercellular Signaling Peptides and Proteins
;
pharmacology
;
Karyotyping
;
Mice
;
Mice, Nude
;
Neoplasms, Experimental
;
pathology
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Stem Cells
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cytology
;
metabolism
;
Vascular Endothelial Growth Factor A
;
pharmacology