1.Current Development of Breast-Specific Gamma Imaging (BSGI) Technique.
Chinese Journal of Medical Instrumentation 2015;39(2):108-112
Breast-Specific Gamma Imaging (BSGI) is an improved and optimizing nuclear medicine breast imaging technique on the basis of traditional gamma camera. It uses a high resolution, small field-of-view scintilla detector. The detector is designed with 3 073 individual detector crystals and 48 position-sensitive photomultiplier tubes. The FOV of detector is 15 cm x 20 cm, and optimal system resolution for breast imaging is 3 mm, can detect the diameter of only 2-3 mm small lesions. BSGI has better sensitivity in detecting subcentimetre or nonpalpable breast cancer. The sensitivity for the diagnosis of breast cancer is high, not influenced by the density of the breast tissue, implants, architectural distortion-or scars from prior surgery or radiation. So it is called a high resolution, small field-of-view breast-specific gamma camera.
Breast
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Breast Neoplasms
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diagnosis
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Diagnostic Imaging
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Female
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Gamma Cameras
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Humans
2.Influence of nursing intervention on hormone treatment compliance of patients with nephrotic syn-drome
Chinese Journal of Practical Nursing 2009;25(3):17-19
Objective To investigate the influence of nursing intervention on hormone treatment compliance of patients with nephrotic syndrome. Methods 130 patients with nephrotic syndrome who received hormone treatment were randomly divided into the experimental group and the control group ac-cording to the time of admission. The control group were treated with conventional nursing, and the ex-perimental group was given whole-process health education besides conventional nursing.Using question-naires, the level of relevant knowledge and medication compliance were compared between the two groups .The results underwent χ2 and t test. Results The treatment compliance was not significant be-fore nursing intervention, while after nursing intervention, the treatment compliance of the experimental group was better than that of the control group. The score of relevant knowledge about nephrotic syn-drome of the experimental group was higher than that of the control group Conclusions Active nurs-ing intervention can improve the health knowledge level of patients and improve the treatment compli-ance of hormone therapy.
3.Correlation of FGFR2 polymorphism and breast cancer
Shanshan SUN ; Yongdong JIANG ; Da PANG
Journal of International Oncology 2011;38(5):361-363
FGFR2 plays an important role in cell proliferation and differentiation and FGFR2 gene has its own genetic polymorphism. It has recently been demonstrated that this genetic polymorphism is associated with risk of development of breast cancer and clinically pathological factors
4.The current concept of aspirin resistance.
Chinese Journal of Cardiology 2006;34(12):1057-1058
5.Case of Meige syndrome.
Chinese Acupuncture & Moxibustion 2014;34(12):1178-1178
6.A study on expression of KGF mRNA in human NSCLC and its role in the development of lung cancer
Ling LIU ; Jiping DA ; Chunron SUN
China Oncology 2001;0(03):-
Purpose:To investigate expression of keratinocyte growth factor(KGF) messenger ribonuclunc acid in human NSCLC and to study the role of KGF in the development of NSCLC. Methods:The expression of KGF mRNA in 50 cases with NSCLC was detected by in situ hybridization (ISH). Results:On ISH slides, positive KGF mRNA was mainly shown as fusiform stain in plasma of fibroblast and blood vessel smooth muscle cell in mesenchymal of NSCLC, also, some parenchyma cell plasma was stained. The positive rate of KGF mRNA in tumor(86%) is statistically higher than that in normal tissue(24%)(P
7.Research progress of mitotic arrest deficient gene abnormalities in tumor
Qian SUN ; Xianyu ZHANG ; Da PANG
Practical Oncology Journal 2014;(2):170-172
The spindle assembly checkpoint ( SAC) is an important monitoring mechanism to monitor the connection between centromeres and microtubules and to ensure proper chromosome separation in human .Mitotic arrest defective protein(Mad)family,as an important part of SAC,plays a crucial role in the process of mitosis. Mutations or altered expressions of Mad may lead to abnormal separations of chromosomes and play a partial role in tumorigenesis ,poor prognosis and chemotherapy drug resistance .
8.Study on inhibition of lymphangiogenesis in gastric cancer by NM-3
Wei DA ; Jinshui ZHU ; Weixiong CHEN ; Long WANG ; Qun SUN
Chinese Journal of Digestion 2010;30(6):394-397
Objective To evaluate the inhibitory effect of 2-(8-hydroxy-6-methoxy-1-oxo-1-H-2-benzopyran-3-Y1) propionic acid (NM-3) on lymphangiogenesis in gastric cancer using orthotopic implantated tumor models of BALB/C nude mice. Methods A BALB/C nude mouse model of transplanted in situ human gastric cancer was established. Twenty-eight nude mice were divided into four groups with 7 each: control group, NM-3 treated group, carboplatin (10 mg/kg) treated group,and NM-3 combiantion group injected with normal saline, 5 mg/kg of NM-3, 10 mg/kg of carboplatin or 5 mg/kg of NM-3, + 10 mg/kg carboplatin, respectively, twice a week for 8 weeks. At the end of the 8th week, all mice were sacrificed for detection of lymphatic microvessel density (LMVD),lymphatic vessel endothelial hyaluranic acid receptor 1 (LYVE-1), podoplanin and Prox-1 byimmunohistochemistry with staining. Results In comparison with control group, the LYVE-1 level in other three groups was decreased with no significant difference (P> 0.05). The concentrations of podoplanin and Prox-1 in NM-3 group and combination group decreased significantly than those in control group and carboplatin group (P < 0.05). The number of LMVD in NM-3 group and combination group was 4.72±0.50 and 4.78± 0.38, respectively, which was significantly lower than that in control group (7.35±0.55)and carboplatin group (6.98i0.35, P<0.05). Conclusion The NM-3 can inhibit the growth of gastric cancer by interfering lymphangiogenesis of gastric cancer.
9.Inhibitory effect of taurine in hypoxia-induced rat pulmonary artery smooth muscle cell proliferation and signal transduction mechanism.
Xiao-Dan ZHANG ; Peng SUN ; Da-Ling ZHU ; Nan XIE
China Journal of Chinese Materia Medica 2014;39(10):1902-1907
OBJECTIVETo discuss the effect of taurine (Tau) on the proliferation of hypoxia-induced pulmonary artery smooth muscle cells (PASMCs), and study whether the extracellular signal-regulated kinase 1/2 (ERK1/2) signal pathway participated in the Tau-inhibited PASMC proliferation process and the possible molecular mechanism.
METHODThe primary culture was performed for PASMCs in rats. The second to fifth generations were adopted for the experiment. The Tau concentration was 80 mmol x L(-1). The concentration of ERK1/2 blocker (PD98059) was 50 micromol x L(-1). The drug administration time was 24 h. The effect of Tau on the PASMC proliferation was detected by MTT assay, immunofluorescence staining method and western blot under different conditions. The PASMCs were growing were divided into four groups: the normoxia group, the normoxia + Tau group, the hypoxia group and the hypoxia + Tau group. The Western blot was adopted to detect whether the ERK1/2 signal pathway participated in the Tau-inhibited PASMC proliferation process. Subsequently, the PASMCs were divided into five groups: the normoxia group, the hypoxia group, the hypoxia + Tau group, the hypoxia + Tau + PD98059 group and the hypoxia + PD98059 group.
RESULTHypoxia could induce the PASMC proliferation. Under the conditions of normoxia, Tau had no effect on the PASMC proliferation. Under the conditions of normoxia and hypoxia, Tau had no effect on the expression of the tumor necrosis factor-alpha (TNF-alpha) among PASMCs. Tau could reverse the expression up-regulation of hypoxia-induced proliferative cell nuclear antigen (PCNA) (P < 0.01) and Cyclin A (Cyclin A) (P < 0. 05). Under the conditions of normoxia, Tau had no effect on the expression of phosphoryl extracellular signal-regulated kinase 1/2 (p-ERK1/2). Hypoxia could up-regulate the p-ERK1/2 expression (P < 0.01). Tau could reverse the up-regulation of the hypoxia-induced p-ERK1/2 expression(P < 0.01). Both PD98059 and Tau could inhibit the up-regulated expressions of PCNA, Cyclin A and p-ERK1/2. According to the comparison between the single addition of Tau and PD98059 under conditions of hypoxia, the hypoxia + Tau + PD98059 group showed more significant down-regulation in the expressions of PCNA, Cyclin A and p-ERK1/2.
CONCLUSIONTau could inhibit the hypoxia-induced PASMC proliferation, and may regulate it through ERK1/2 pathway.
Animals ; Cell Hypoxia ; drug effects ; Cell Proliferation ; drug effects ; Cells, Cultured ; MAP Kinase Signaling System ; drug effects ; Myocytes, Smooth Muscle ; cytology ; drug effects ; metabolism ; Oxygen ; metabolism ; Pulmonary Artery ; cytology ; drug effects ; metabolism ; physiopathology ; Rats ; Rats, Wistar ; Taurine ; pharmacology ; Tumor Necrosis Factor-alpha ; genetics ; metabolism