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Gorwitz R, Sereday K, Pol BVD, Kwok C, Morrison C, Papp J, Xu F, Markowitz L. P1.002 Development and Persistence of Anti-Chlamydial Antibodies in Women with Incident Chlamydia TrachomatisInfections in Uganda and Zimbabwe. Br J Vener Dis 2013. [DOI: 10.1136/sextrans-2013-051184.0223] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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302
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Wang W, Dai LX, Zhang S, Yang Y, Yan N, Fan P, Dai L, Tian HW, Cheng L, Zhang XM, Li C, Zhang JF, Xu F, Shi G, Chen XL, Du T, Li YM, Wei YQ, Deng HX. Regulation of epidermal growth factor receptor signaling by plasmid-based microRNA-7 inhibits human malignant gliomas growth and metastasis in vivo. Neoplasma 2013; 60:274-83. [PMID: 23373996 DOI: 10.4149/neo_2013_036] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
MicroRNAs are endogenous, non-coding RNAs of approximately 20-22 nucleotides that regulate genes expression by binding to the 3' untranslated region (UTR) of targets mRNAs and play critical roles in cancer pathways. Malignant glioma is the most common and highly lethal central nervous system tumor for which little effective treatment is available over several decades. The purpose of this study was to explore the therapeutic potential of plasmid-based microRNA-7 (miR-7) for gliomas in vivo. Enhancing miR-7 levels in vitro could significantly induce cell apoptosis, and inhibit cell proliferation, cell migration and invasion. Western blotting analysis was performed, which indicated that miR-7 directly inhibited epidermal growth factor receptor (EGFR) and further antagonized the downstream protein kinases including ERK, Akt and Stat3. Furthermore, systemic administration of miR-7 encapsulated in cationic liposome resulted in glioma xenografts growth arrest and the metastatic nodules decrease effectively in a sequence-specific manner. In this study, miR-7 was applied in glioma treatment for the first time in vivo. Our findings suggested that the plasmid-mediated gene therapy with miR-7 appeared to be a promising candidate for the development of new antitumor and anti-metastasis treatment for human glioma.
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303
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Wang SH, Xu F, Dang HX, Yang L. Genetic variations in the Wnt signaling pathway affect lung function in asthma patients. GENETICS AND MOLECULAR RESEARCH 2013; 12:1829-33. [PMID: 23315860 DOI: 10.4238/2013.january.4.1] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Identifying genetic determinants for lung function is important in providing insight into the pathophysiology of asthma. The Wnt signal pathway plays a role in lung development and in asthma pathogenesis. However, whether genetic polymorphisms of Wnt signal pathway are associated with lung function in asthma patients remain unclear. We genotyped 2 single nucleotide polymorphisms (SNPs, rs2929973 and rs6581612) involved in the Wnt signal pathway in a cohort of 560 Chinese Han asthmatic children. Associations between each SNP and lung function, in a baseline exam, were tested using multiple linear regression models. We found that rs2929973 of the WISP1 gene was significantly associated with forced expiratory volume in 1 s (FEV1), with the G allele conferring significantly lower FEV1 values. However, the rs6581612 SNP of the WIF1 gene was not associated with differences in FEV1 values. We conclude that genetic variants in Wnt are associated with lung function and suggest that Wnt participates in inflammatory pathways that have an impact on the level of lung function.
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304
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Yang R, Wang J, Xu F, Li H, Zhang X. SU-E-T-630: Feasibility Study of Volumetric Modulated Arc Therapy with Constant Dose Rate for Endometrial Cancer. Med Phys 2013. [DOI: 10.1118/1.4815058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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305
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Cao H, Shi FX, Xu F, Yu JS. Molecular structure and physicochemical properties of pepsin-solubilized type II collagen from the chick sternal cartilage. EUROPEAN REVIEW FOR MEDICAL AND PHARMACOLOGICAL SCIENCES 2013; 17:1427-1437. [PMID: 23771531] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
BACKGROUND AND OBJECTIVES Recently, type II collagen (CII) was found to be effective clinically for treatment of rheumatoid arthritis (RA). However, the molecular properties of CII could be changed during the preparation process. In the present study, we isolated CII from chick sternal cartilage and studied the structural characteristics of purified CII. MATERIALS AND METHODS Pepsin-solubilized CII was purified from sternal cartilage of the chick using a combination of pepsin digestion, NaCl precipitation and DEAE-Sepharose CL 6B ion exchange chromatography. Then, the molecular structure and physicochemical properties of pepsin-solubilized CII were investigated. RESULTS According to the electrophoretic patterns, the purified preparation consisted of a single band (α chain) and dimmers (β chains) with a subunit Mr of 110 kDa, were characterized to type II, and contained imino acid of 232 residues/1000 residues. The maximum transition temperature (Tmax) of the pepsin-solubilized CII measured by DSC was 45.60°C. Circular dichroism (CD) spectra analysis revealed that pepsin-solubilized CII retained more intermolecular crosslinks during the preparation process. Investigation results of atomic force microscope (AFM) indicated that the collagen fibrils from chick cartilage were about 146 nm in width and highly periodic with a banding pattern of -68.3 nm spacing. Analysis of physical properties indicated that pepsin-solubilized CII were highly solubilized in the pH range of 1-3.5 and the optimal NaCl concentration was 0.6 mol/L. CONCLUSIONS Chick sternal cartilage can be used as an alternative CII source.
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306
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Li X, Chang C, Oi H, Xu F, Wu L, Su J, Zhang X, Zhou L, Wu D, Song L, Zhang Z. P-279 Cytogenetic response features in the patients with myelodysplastic syndromes following lower dosage of decitabine treatment. Leuk Res 2013. [DOI: 10.1016/s0145-2126(13)70326-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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307
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Lang J, Li A, Luo W, Wu R, Li P, Xu F. Odor representation in the olfactory bulb under different brain states revealed by intrinsic optical signals imaging. Neuroscience 2013; 243:54-63. [PMID: 23567814 DOI: 10.1016/j.neuroscience.2013.03.057] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2013] [Revised: 03/17/2013] [Accepted: 03/23/2013] [Indexed: 10/27/2022]
Abstract
The olfactory system responds to the same stimulus with great variability according to the current state of the brain. At the levels of multi-unit activity and local field potentials, the response of the olfactory bulb (OB) to a given olfactory stimulus during a state of lower background activity is stronger than the response that occurs during higher background activity, but the distribution pattern of activity remains similar. However, these results have only been established at the individual neuron and neuron cluster scales in previous studies. It remains unclear whether these results are consistent at a larger scale (e.g., OB regions); therefore, intrinsic optical signals imaging was employed in the present study to clarify this issue. The basal brain states of rats were manipulated by using different levels of anesthesia. Under a state of low basal brain activity, the intensity of the activity pattern elicited in the dorsal OB by a given odorant was significantly higher than that under high basal brain activity, but the topography was highly similar across different brain states. These results were consistent across the levels of individual neurons, neuron clusters, glomeruli, and the OB regions, which suggest that the OB contains as yet unknown neural mechanisms that ensure the high-fidelity representation of the same olfactory stimulation under different brain states.
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308
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Bo W, Wang Z, Xu F, Fu G, Sui Y, Wu W, Zhu X, Yin D, Yan Q, Wu R. Shape mapping: genetic mapping meets geometric morphometrics. Brief Bioinform 2013; 15:571-81. [DOI: 10.1093/bib/bbt008] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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309
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Xu F, Yang Z, Chen B, Zhao Y. Impact of submerged plants on ecosystem health of the plant-dominated Baiyangdian Lake, China. Ecol Modell 2013. [DOI: 10.1016/j.ecolmodel.2012.07.013] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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310
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Zhang ZY, Wang LQ, Fu CF, Li X, Cui ZL, Zhang JY, Xue SH, Sun N, Xu F. Combination of targeting gene-viro therapy with recombinant Fowl-pox viruses with HN and VP3 genes on mouse osteosarcoma. EUROPEAN REVIEW FOR MEDICAL AND PHARMACOLOGICAL SCIENCES 2013; 17:767-776. [PMID: 23609360] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
BACKGROUND Osteosarcoma is an aggressive cancerous neoplasm arising from primitive transformed cells of mesenchymal origin that exhibit osteoblastic differentiation and produce malignant osteoid. With the rapid development of tumor molecular biology, gene and viral therapy, a highly promising strategy for the treatment, has shown some therapeutic effects. OBJECTIVES To study the strategy of cooperative cancer gene therapy, previously, we explored the antitumor effects of recombinant Fowl-pox viruses (FPVs) with both HN (hemagglutinin-neuramidinase) and VP3 genes on mouse osteosarcoma. MATERIALS AND METHODS We constructed vFV-HN, vFV-VP3 and vFV-HN-VP3 inserting CAV VP3 gene, NDV HN gene into fowlpox virus. S180 osteosarcoma were transfected with Recombinant Fowl-pox viruses (FPVs). These cell lines stably expressing tagged proteins were selected by culturing in medium containing puromycin (2 µg/ml) and confirmed by immunoblotting and immunostaining. S180 osteosarcoma model with BALB/c mice and nude mice were established and the vFPV viruses as control, vFV-HN, vFV-VP3, vFV-HN-VP3 were injected into the tumor directly. The rate of tumor growth, tumor suppression and the sialic acid levels in serum were examined and the tumor tissues were analyzed by the method of immunohistochemistry. Flow cytometric analysis was performed using a FACSCalibur flow cytometer. A total of 100,000 events were analyzed for each sample and the experiment was repeated at least twice. RESULTS Our data indicated that vFV-HN, vFV-VP3 and vFV-HN-VP3 all had growth inhibition effects, the inhibition rate of vFV-HN-VP3 group was 51.7%, which was higher than that of vFV-HN, vFV-VP3 group and control group (p < 0.01). The sialic acid level of vFV-HN-VP3 group in mouse serum was 4.22±0.27 mmol/l, which was lower than that of other groups (p < 0.01). CONCLUSIONS These results suggest that genes into mouse osteosarcoma cancer cells can cause cell a specificity anti-tumor immune activity, suppress tumor growth, and increase the survival rate of the tumor within host.
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311
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Xu F, Huang XH, Li LL, Deng G, Cheng H, Rong XF, Li JB, Cheng SY. Molecular cloning and characterization of GbDXS and GbGGPPS gene promoters from Ginkgo biloba. GENETICS AND MOLECULAR RESEARCH 2013; 12:293-301. [PMID: 23408416 DOI: 10.4238/2013.february.4.3] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Ginkgolides are key pharmaceutical components in Ginkgo biloba leaves. 1-Deoxy-D-xylulose-5-phosphate synthase (GbDXS) and geranylgeranyl pyrophosphate (GbGGPPS) genes are critical genes involved in ginkgolide biosynthesis. In this study, the promoters of GbDXS and GGPPS, with 676 and 570 bp in length, respectively, were cloned by chromosome walking. The cis-elements of GbDXS and GbGGPPS promoters were predicted and analyzed by the plant cis-acting regulatory element (CARE) database. We found some major cis-elements in the sequence of GbDXS and GbGGPPS promoters. The GbDXS promoter has 3 TATA boxes, 10 CAAT boxes, 6 GATA boxes, and 1 I box. The GbGGPPS promoter has 1 TATA box, 6 CAAT boxes, 6 GATA boxes, and 4 I boxes. Furthermore, some stress-related cis-elements in the promoters of GbDXS and GbGGPPS were found to be light-regulated elements, including sequences over-represented in light-induced promoters (SORLIP1- AT), GATA box, and I box, a gibberellin-responsive element (WRKY), salicylic acid-induced (GT-1), cold- and dehydration-responsive (MYC-Core), and copper-inducible (CURE-Core). Further analyses of these cis-elements will aid in elucidating the molecular mechanisms regulating the expression of the GbDXS and GbGGPPS genes during ginkgolide accumulation in G. biloba.
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Barberio M, Barone P, Stranges F, Romano A, Xu F, Bonanno A. Carbon Nanotubes/Metal Nanoparticle Based Nanocomposites: Improvements in Visible Photoluminescence Emission and Hydrophobicity. ACTA ACUST UNITED AC 2013. [DOI: 10.4236/opj.2013.36a007] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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313
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Xu F, Ma T, Shi L, Zhang J, Wang Y, Dong Y. The Hydrogeochemical Characteristics of High Iodine and Fluoride Groundwater in the Hetao Plain, Inner Mongolia. ACTA ACUST UNITED AC 2013. [DOI: 10.1016/j.proeps.2013.03.183] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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314
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Han CC, Wang JW, Pan ZX, Tang H, Xiang SX, Wang J, Li L, Xu F, Wei SH. Effect of cholesterol on lipogenesis and VLDL–TG assembly and secretion in goose primary hepatocytes. Mol Cell Biochem 2012. [DOI: 10.1007/s11010-012-1516-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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315
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Xue C, Huang Y, Huang PY, Yu QT, Pan JJ, Liu LZ, Song XQ, Lin SJ, Wu JX, Zhang JW, Zhao HY, Xu F, Liu JL, Hu ZH, Zhao LP, Zhao YY, Wu X, Zhang J, Ma YX, Zhang L. Phase II study of sorafenib in combination with cisplatin and 5-fluorouracil to treat recurrent or metastatic nasopharyngeal carcinoma. Ann Oncol 2012; 24:1055-61. [PMID: 23172635 DOI: 10.1093/annonc/mds581] [Citation(s) in RCA: 56] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
BACKGROUND We aimed to investigate the efficacy and tolerability of sorafenib combined with cisplatin and 5-fluorouracil (5-FU) in patients with recurrent or metastatic nasopharyngeal carcinoma (NPC). PATIENTS AND METHODS It was a Simon two-stage designed trial. Chemotherapy-naive patients with recurrent or metastatic disease were enrolled. The regimen was sorafenib 400 mg orally b.i.d., cisplatin 80 mg/m(2) i.v. day 1, and 5-FU 1000 mg/m(2)/day CIV for 4 days, repeated every 21 days. After a maximum of six cycles of chemotherapy, patients received maintenance of sorafenib. RESULTS In total, 54 patients were enrolled. The objective response rate reached 77.8%, including 1 complete response and 41 partial responses. The median progression-free survival was 7.2 months (95% CI 6.8-8.4 months), and the median overall survival was 11.8 months (95% CI 10.6-18.7 months). Major toxic effects included hand-foot skin reaction, myelosuppression, and gastrointestinal (GI) reaction. The incidence of hemorrhage was 22.2%, and one patient with liver metastases died of GI bleeding. Contrast-enhanced ultrasonography was carried out in a subset of patients with liver metastases. CONCLUSION Combination of sorafenib, cisplatin (80 mg/m(2)) and 5-FU (3000 mg/m(2)) was tolerable and feasible in recurrent or metastatic NPC. Further randomized trials to compare sorafenib plus cisplatin and 5-FU with standard dose of cisplatin plus 5-FU in NPC are warranted.
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316
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Leslie AM, Xu F, Tremoulet PD, Scholl BJ. Indexing and the object concept: developing `what' and `where' systems. Trends Cogn Sci 2012; 2:10-8. [PMID: 21244957 DOI: 10.1016/s1364-6613(97)01113-3] [Citation(s) in RCA: 214] [Impact Index Per Article: 17.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The study of object cognition over the past 25 years has proceeded in two largely non-interacting camps. One camp has studied object-based visual attention in adults, while the other has studied the object concept in infants. We briefly review both sets of literature and distill from the adult research a theoretical model that we apply to findings from the infant studies. The key notion in our model of object representation is the `sticky' index, a mechanism of selective attention that points at a physical object in a location. An object index does not represent any of the properties of the entity at which it points. However, once an index is pointing to an object, the properties of that object can be examined and featural information can be associated with, or `bound' to, its index. The distinction between indexing and feature binding underwrites the distinction between object individuation and object identification, a distinction that turns out to be crucial in both the adult attention and the infant object-concept literature. By developing the indexing model, we draw together two disparate sets of literature and suggest new ways to study object-based attention in infancy.
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317
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Xu F, Zhou T, Duan J. Predictive Factors Associated with Gefitinib Response in Patients with Advanced Non-Small-Cell Lung Cancer (NSCLC). Ann Oncol 2012. [DOI: 10.1016/s0923-7534(20)32050-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022] Open
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318
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Xu F, Cheng Y, Diao R, Zhou X, Wang X, Ma Y, Lv W, Shen H. Sarcoidosis: vaginal wall and vulvar involvement. SARCOIDOSIS, VASCULITIS, AND DIFFUSE LUNG DISEASES : OFFICIAL JOURNAL OF WASOG 2012; 29:151-154. [PMID: 23461079] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
Sarcoidosis is a non-caseous granulomatous disease which could involve numerous organs including lungs, eyes, skin, nervous system, heart, liver. However, the genitourinary tract involvement was rarely reported in sarcoidosis. We report the case of a 45-year-old married woman who presented with 2 months history of a vulval mass as large as a soybean, and did not reveal any remarkable pulmonary signs. Biopsy results showed non-caseous granulomatous inflammation consistent with sarcoidosis in the vulvar lesion. To our knowledge, this is the first reported case of this entity in the world. Based on the related literature, we highlight the possibility of gynecologic involvement in sarcoidosis.
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319
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Wang Z, Zhao L, Wang F, Lin Y, Huang Y, Xu F, Xue C, Zhao H, Li Z. Pharmacokinetic and Pharmacodynamic Analysis of Fluorouracil in Chinese Colorectal Cancer Patients. Ann Oncol 2012. [DOI: 10.1016/s0923-7534(20)33123-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
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320
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Lee D, Ting A, Thomas C, Bishop C, Xu F, Zelinski M. Heterotopic transplants of vitrified ovarian tissue in macaques: assessment of follicular function, embryonic development and a novel microbubble assay for blood flow. Fertil Steril 2012. [DOI: 10.1016/j.fertnstert.2012.07.248] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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321
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Lee H, Wang B, Wu X, Zhang H, Xu F. Decision tree classifier makes genotyping more intuitive and more efficient. TISSUE ANTIGENS 2012; 80:188-190. [PMID: 22708606 DOI: 10.1111/j.1399-0039.2012.01901.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/06/2012] [Revised: 04/28/2012] [Accepted: 05/11/2012] [Indexed: 06/01/2023]
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322
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Xu F, Yan S, Wu M, Li F, Sun Q, Lai W, Shen X, Rahhali N, Taieb C, Xu J. Self-declared sensitive skin in China: a community-based study in three top metropolises. J Eur Acad Dermatol Venereol 2012; 27:370-5. [DOI: 10.1111/j.1468-3083.2012.04648.x] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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323
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Yang H, Yu X, He X, Fan J, Li J, Xu F, Zhang B, Tang Z, Zheng S, Qiao Y. Age Interactions in Breast Cancer: An Analysis of a 10-Year Multicentre Study in China. J Int Med Res 2012; 40:1130-40. [PMID: 22906287 DOI: 10.1177/147323001204000333] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023] Open
Abstract
OBJECTIVES: The effects of age at diagnosis on the clinical characteristics of breast cancer and trends over time were investigated in Chinese women. METHODS: Data from 4211 women with pathologically confirmed primary breast cancer collected between 1999 and 2008 for a multicentre retrospective study were analysed according to age at diagnosis. RESULTS: Age at diagnosis ranged from 21 to 86 years, with a mean of 48.7 years, and was shown to be significantly related to tumour size, lymph node status, hormone receptor status and human growth factor receptor-2 status, but not to pathological type or tumour, node, metastasis stage. The age-corrected proportion of patients aged 50 – 64 years at diagnosis increased significantly between 1999 and 2008. There was a significant difference in the age-corrected distribution of age at diagnosis in China compared with Western countries. CONCLUSIONS: Age at diagnosis is related to the clinical and pathological characteristics of breast cancer. The age at diagnosis in China increased over the decade from 1999 to 2008, but is still lower than in Western countries.
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Xu F, Chen DZ, Chen LW, Zhang GC, Cao H, Huang ZY, Qiu HF. Intraoperative device closure of perimembranous ventricular septal defects: another safe and feasible alternative to surgical repair in infants. Eur J Cardiothorac Surg 2012; 42:800-5. [DOI: 10.1093/ejcts/ezs186] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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325
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Xu F, Wang Y, Ware RS, Tse LA, Dunstan DW, Liang Y, Wang Z, Hong X, Owen N. Physical activity, family history of diabetes and risk of developing hyperglycaemia and diabetes among adults in Mainland China. Diabet Med 2012; 29:593-9. [PMID: 22004456 DOI: 10.1111/j.1464-5491.2011.03495.x] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
AIMS To investigate the joint influence of physical activity and family history of diabetes on the subsequent risk of developing hyperglycaemia and Type 2 diabetes among Chinese adults. METHODS A prospective community-based cohort study was conducted among adults aged 35 years and older during 2004-2007 in Nanjing, China. Four communities (three urban and one rural) were randomly selected from 11 urban districts and two rural counties. Hyperglycaemia and Type 2 diabetes were defined using World Health Organization criteria based on fasting blood glucose concentration and physicians' diagnosis, respectively. Physical activity, parental diabetes history, and other important covariates were assessed at baseline and in the third-year follow-up survey. RESULTS At study conclusion data were collected from 3031 participants (follow-up rate 81.3%). The 3-year cumulative incidence of hyperglycaemia and Type 2 diabetes was 6.2% and 2.4%, respectively. After adjustment for potential confounding variables, compared with those with positive family history and insufficient physical activity, the adjusted relative risk ratio (95% CI) of developing hyperglycaemia was 0.19 (0.02, 1.51) for participants with sufficient physical activity and a positive family history; 0.55 (0.31, 0.97) for participants with insufficient physical activity and a negative family history; and 0.36 (0.19, 0.70) for participants with sufficient physical activity but a negative family history. Participants who had a negative family history and insufficient physical activity were also less likely to develop Type 2 diabetes (RRR = 0.28; 0.14, 0.54), and participants with a negative family history and sufficient physical activity were the least likely to develop Type 2 diabetes (0.23; 0.10, 0.56). CONCLUSIONS Sufficient physical activity and negative family history of diabetes may jointly reduce the risk of developing hyperglycaemia and Type 2 diabetes in Chinese adults.
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