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Can Ultrasound be Used to Differentiate Tubular Adenomas of Breast from Fibroadenomas or Carcinoma?
Fu, Ying,Miao, Li-Ying,Ge, Hui-Yu,Mei, Fang,Wang, Jin-Rui Asian Pacific Journal of Cancer Prevention 2014 Asian Pacific journal of cancer prevention Vol.15 No.3
Breast tubular adenomas are rare benign breast tumors and detailed descriptions of their sonographic appearance are necessary for differential diagnosis from fibroadenomas or breast cancers. This study investigated twenty-one histology-proved tubular adenomas in 17 patients and also included 48 fibroadenomas in 35 patients as a control group. There was no significant difference between the two groups with clinical presentation, which was age, tumor location, tumor number (p>0.05). Statistic analysis showed three significant factors in the differential diagnosis of tubular adenomas and fibroadenomas, including macro-lobulation (p=0.01), "tiny branch like" patterns (p=0.001) and vascularity (p=0.02). Other ultrasonographic features such as echogenicity, border, uniformity of echotexture, posterior acoustic enhancement, lateral wall shadowing were of no clinical significance (p>0.05). Calcifications were seen in three tubular adenomas which were different from those of carcinomas. Although tubular adenomas have some typical characteristics on sonography, surgery and core needle biopsy are still needed for complex cases to exclude progress to malignancy.
Huan-ge Zhao,Song-lin Zhou,Ying-ying Lin,Hua Wang,Hao Fu Dai,Feng-Ying Huang 대한약학회 2018 Archives of Pharmacal Research Vol.41 No.10
Toxicarioside N (Tox N), a natural product extract from Antiaris toxicaria, has been reported to induce apoptosis in human gastric cancer cells. However, the mechanism and actual role of autophagy in Tox N-induced apoptosis of human gastric cancer cells remains poorly understood. In the current study, we demonstrated that Tox N could induce autophagy by inhibiting the Akt/mTOR signaling pathway in SGC-7901 cells. Moreover, we found that the inhibition of autophagy by 3-methyladenine, an autophagy inhibitor, enhanced Tox N-induced apoptotic cell death. However, the stimulation of autophagy by rapamycin, an autophagy activator, remarkably suppressed Tox N-induced apoptosis, suggesting that autophagy plays a protective role in Tox N-induced apoptosis. Thus, the results from this study suggested that Tox N combination with an autophagy inhibitor might be a promising strategy to enhance the anticancer activity of Tox N for the treatment of human gastric cancer.
Huan-ge Zhao,Song-lin Zhou,Ying-ying Lin,Hao Fu Dai,Feng-Ying Huang 대한약학회 2018 Archives of Pharmacal Research Vol.41 No.1
Natural plant compounds with potent proliferationinhibition and apoptosis induction properties havebeen screened as novel anticancer drugs. Toxicarioside N(Tox N) was isolated from the seeds of the tropical plantAntiaris toxicaria in Hainan province, China. To ourknowledge, the effects that Tox N has on the apoptosis ofSGC-7901 cells and its potential mechanism have neverbeen investigated. In this study, we detected the anticanceractivities of Tox N and explored the potential mechanismin the human gastrointestinal cancer cell line SGC-7901. Here, we found that Tox N inhibited SGC-7901 cell growthin a dose- and time-dependent manner and induced apoptosisin cells based on cell morphology and flow cytometryanalyses. Additionally, the SGC-7901 cell treated with ToxN up-regulated the expression level of cleaved caspase-3/9and PARP, increased the Bax/Bcl-2 ratio, and led to therelease of cytochrome c into the cytoplasm. In addition,Tox N treatment led to the phosphorylation of p38MAPK. SB203580, a p38MAPK inhibitor, partially attenuated ToxN induced apoptosis by preventing the activation of caspase-3/9 and PARP. Our results indicated for the first timethat Tox N can induce SGC-7901 cells apoptosis by activatingthe p38MAPK pathway.
The Current Status, Trend, and Influencing Factors to Malnutrition of Infants and Children in China
Zhai, Feng-Ying,Wang, Hui-Jun,Chang, Su-Ying,Fu, Dawei,Ge, Keyou,Popkin, Barry M. The Korean Society of Community Nutrition 2004 Journal of community nutrition Vol.6 No.2
Children are the most nutrition sensitive sub-group of a population. The nutritional status of children should be especially emphasized at all levels. This study was performed to investigate the current status, trend, and influencing factors to malnutrition of infants and children in China. The study was mainly based on the China Health and Nutrition Survey which is a longitudinal study conducted in 8 provinces and the data on growth of children under 7 years of age in 9 cities in China. The result of this study showed that one fifth of the children under 5 years of age are still suffering from stunted growth and one tenth suffering from underweight. The nutrition intervention on children under 2 years of age, especially on those under 18 months should be emphasized. Better supplementary food can improve the nutritional status to decrease the prevalence of stunted children. Therefore, the development of supplementary food should be the priority and should be emphasized with breastfeeding.
Ying-Jin Yuan,Jing-Chuan Li,Zhi-Qiang Ge 한국생물공학회 2005 Biotechnology and Bioprocess Engineering Vol.10 No.2
Ion fluxes across the plasma membrane activated by 1 mM Ce4+, cell apoptosis and taxol biosynthesis in suspension cultures of Taxus cuspidata were studied. The extracellular pH sharply decreased upon the addition of 1 mM Ce4+, then increased gradually and exceeded the initial pH value over a time period of 12 h. The extracellular Ca2+ concentration decreased within the first 3 h after the addition of Ce4+, then gradually decreased to one third of initial value in control at about 72 h and remained unchanged afterwards. Experiments with an ion channel blocker and a Ca2+-channel blocker indicated that the dynamic changes in extracellular pH and the Ca2+ concentration resulted from the Ce4+-induced activation of H+ uptake and Ca2+ influx across the plasma membrane via ion channels. A pretreatment of the ion channel blocker initiated Ce4+-treated cells to undergo necrosis, and the prior addition of the Ca2+-channel blocker inhibited Ce4+-induced taxol biosynthesis and apoptosis. It is thus inferred that H+ uptake is necessary for cells to survive a Ce4+-caused acidic environment and is one of the mechanisms of Ce4+-induced apoptosis. Furthermore, the Ca2+ influx across the plasma membrane mediated both the Ce4+-induced apoptosis and taxol biosynthesis.
A Robust and Efficient Method for Direct Projection on Point-sampled Surfaces
Ying-Jie Zhang,Li-Ling Ge 한국정밀공학회 2010 International Journal of Precision Engineering and Vol.11 No.1
A novel and robust approach for computing the direct projection onto a point cloud for a given 3D point with associated projection vector is proposed. An energy function is presented to model the active contour, and the curve evolving method is applied to track the projection in certain iterations. In each step of the iteration, the energies of the related points are used to estimate the step length and orientation of the evolution. Then the point’s position is continuously updated and approximates the solution until the given accuracy is reached. The proposed approach directly operates on the point cloud, which is followed by a refining process to correct the results for under-sampled regions. Since the algorithm is carried out on a small point set (i.e., the neighborhood of the test point, generally composed of 30~60 points) it is not expensive computationally. By numerical experiments, the method has been demonstrated to be more robust and efficient than the existing direct projection approaches on processing discrete point clouds.
Vagococcus zengguangii sp. nov., isolated from yak faeces
Ge Yajun,Jin Dong,Lai Xin-He,Yang Jing,Lu Shan,Huang Ying,Zheng Han,Zhang Xiaoyan,Xu Jianguo 한국미생물학회 2021 The journal of microbiology Vol.59 No.1
Two unknown Gram-stain-positive, catalase- and oxidasenegative, non-motile, and coccus-shaped bacteria, designated MN-17T and MN-09, were isolated from yaks faeces (Bos grunniens) in the Qinghai-Tibet Plateau of China. 16S rRNA gene sequence-based comparative analyses revealed that the two strains were grouped within the genus Vagococcus, displaying the highest similarity with Vagococcus xieshaowenii CGMCC 1.16436T (98.6%) and Vagococcus elongatus CCUG 51432T (96.4%). Both strains grew optimally at 37°C and pH 7.0 in the presence of 0.5% (w/v) NaCl. The complete genome of MN-17T comprises 2,085 putative genes with a total of 2,190,262 bp and an average G + C content of 36.7 mol%. The major fatty acids were C16:0 (31.2%), C14:0 (28.5%), and C18:1ω9c (13.0%); the predominant respiratory quinone was MK-7 (68.8%); the peptidoglycan type was A4α(L-Lys-DAsp); and the major polar lipid was diphosphatidylglycerol. Together, these supported the affiliation of strain MN-17T to the genus Vagococcus. In silico DNA-DNA hybridization and the average nucleotide identity values between MN-17T and all recognized species in the genus were 21.6–26.1% and 70.7–83.0%, respectively. MN-17T produced acid from D-cellobiose, D-fructose, glycerol, D-glucose, N-acetyl-glucosamine, gentiobiose, D-mannose, D-maltose, D-ribose, Dsaccharose, salicin, D-trehalose, and D-xylose. These results distinguished MN-17T and MN-09 from closely related species in Vagococcus. Thus, we propose that strains MN-17T and MN-09 represent a novel species in the genus Vagococcus, with the name Vagococcus zengguangii sp. The type strain is MN-17T (= CGMCC 1.16726T = GDMCC 1.1589T = JCM 33478T).