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Luo R, Bai C, Yang L, Zheng Z, Su G, Gao G, Wei Z, Zuo Y, Li G. Correction to 'DNA methylation subpatterns at distinct regulatory regions in human early embryos'. Open Biol 2018; 8:rsob.180215. [PMID: 30518639 PMCID: PMC6303785 DOI: 10.1098/rsob.180215] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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Luo R, Bai C, Yang L, Zheng Z, Su G, Gao G, Wei Z, Zuo Y, Li G. DNA methylation subpatterns at distinct regulatory regions in human early embryos. Open Biol 2018; 8:rsob.180131. [PMID: 30381360 PMCID: PMC6223221 DOI: 10.1098/rsob.180131] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2018] [Accepted: 10/02/2018] [Indexed: 12/11/2022] Open
Abstract
DNA methylation has been investigated for many years, but recent technologies have allowed for single-cell- and single-base-resolution DNA methylation datasets and more accurate assessment of DNA methylation dynamics at the key genomic regions that regulate gene expression in human early embryonic development. In this study, the region from upstream 20 kb to downstream 20 kb of RefSeq gene was selected and divided into 12 distinct regions (up20, up10, up5, up2, 5'UTR, exon, intron, 3'UTR, down2, down5, down10 and down20). The candidate promoter region (TSS ± 2 kb) was further divided into 20 consecutive subregions, which were termed 'bins'. The DNA methylation dynamics of these regions were systematically analysed along with their effects on gene expression in human early embryos. The dynamic DNA methylation subpatterns at the distinct genomic regions with a focus on promoter regions were mapped. For the 12 distinct genomic regions, up2 and 5'UTR had the lowest DNA methylation levels, and their methylation dynamics were different with other regions. The region 3'UTR had the highest DNA methylation levels, and the correlation analysis with gene expression proved that it was a feature of transcribed genes. For the 20 bins in promoter region, the CpG densities showed a normal distribution pattern, and the trend of the methylated CpG counts was inverse with the DNA methylation levels, especially for the bin 1 (downstream 200 bp of the TSS). Through the correlation analysis between DNA methylation and gene expression, the current study finally revealed that the region bin -4 to 6 (800 bp upstream to 1200 bp downstream of the TSS) was the best candidate for the promoter region in human early embryos, and bin 1 was the putative key regulator of gene activity. This study provided a global and high-resolution view of DNA methylation subpatterns at the distinct genomic regions in human early embryos.
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Wu F, Gao G, Zhou C, Kang X, Zhou Y. A phase III, randomized, open-label, multicenter study of SHR-1210 (anti-PD-1 antibody) in combination with pemetrexed and carboplatin as first line therapy in subjects with advanced/metastatic non-squamous non-small cell lung cancer. Ann Oncol 2018. [DOI: 10.1093/annonc/mdy292.126] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Yin Q, Gao G, Zhou C, Liu Y, Xie X, Lin X, Zhu Z, Xie Z, Zhang J, Ming O, Chen R, Li S. P2.01-111 Clinical Features and Prognosis of Eighty-Five Patients with Primary Pulmonary Lymphoepithelioma-Like Carcinoma. J Thorac Oncol 2018. [DOI: 10.1016/j.jtho.2018.08.1166] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Gao G, Xu M, Bai C, Yang Y, Li G, Xu J, Wei Z, Min J, Su G, Zhou X, Guo J, Hao Y, Zhang G, Yang X, Xu X, Widelitz RB, Chuong CM, Zhang C, Yin J, Zuo Y. Comparative genomics and transcriptomics of Chrysolophus provide insights into the evolution of complex plumage coloration. Gigascience 2018; 7:5091803. [PMID: 30192940 PMCID: PMC6204425 DOI: 10.1093/gigascience/giy113] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2018] [Accepted: 08/29/2018] [Indexed: 01/05/2023] Open
Abstract
Background As one of the most recognizable characteristics in birds, plumage color has a high impact on understanding the evolution and mechanisms of coloration. Feather and skin are ideal tissues to explore the genomics and complexity of color patterns in vertebrates. Two species of the genus Chrysolophus, golden pheasant (Chrysolophus pictus) and Lady Amherst's pheasant (Chrysolophus amherstiae), exhibit brilliant colors in their plumage, but with extreme phenotypic differences, making these two species great models to investigate plumage coloration mechanisms in birds. Results We sequenced and assembled a genome of golden pheasant with high coverage and annotated 15,552 protein-coding genes. The genome of Lady Amherst's pheasant is sequenced with low coverage. Based on the feather pigment identification, a series of genomic and transcriptomic comparisons were conducted to investigate the complex features of plumage coloration. By identifying the lineage-specific sequence variations in Chrysolophus and golden pheasant against different backgrounds, we found that four melanogenesis biosynthesis genes and some lipid-related genes might be candidate genomic factors for the evolution of melanin and carotenoid pigmentation, respectively. In addition, a study among 47 birds showed some candidate genes related to carotenoid coloration in a broad range of birds. The transcriptome data further reveal important regulators of the two colorations, particularly one splicing transcript of the microphthalmia-associated transcription factor gene for pheomelanin synthesis. Conclusions Analysis of the golden pheasant and its sister pheasant genomes, as well as comparison with other avian genomes, are helpful to reveal the underlying regulation of their plumage coloration. The present study provides important genomic information and insights for further studies of avian plumage evolution and diversity.
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Higgs B, Morehouse C, Brohawn P, Sridhar S, Raja R, Gao G, Englert J, Ranade K. High tumor mutational burden (TMB) and PD-L1 have similar predictive utility in 2L+ NSCLC patients (pts) treated with anti-PD-L1 and anti-CTLA-4. Ann Oncol 2018. [DOI: 10.1093/annonc/mdy269.063] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Massard C, Segal N, Cho D, Papadimitrakopoulou V, Rizvi N, Cho B, Yu L, Yang H, Hsieh HJ, Zhang J, Zhao W, Gao G, Guo X, Abdullah S, Englert J, Soria JC, Dar M, Roskos L, Ferte C, Antonia S. Prospective validation of prognostic scores to improve patient selection for immuno-oncology trials. Ann Oncol 2018. [DOI: 10.1093/annonc/mdy279.426] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Zhao S, Jia Y, Jiang T, Li X, Li W, Gao G, Zhao C, He Y, Chen X, Su C, Ren S, Zhou C. P3.04-21 Antibiotics Attenuate the Clinical Benefit of Anti-PD-(L)1 Immunotherapies in Chinese Patients with Advanced Non-Small Cell Lung Cancer. J Thorac Oncol 2018. [DOI: 10.1016/j.jtho.2018.08.1728] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Liu QY, Gao G, Hu GM, Feng SE, Zhang YP, Jia EC, Li DG, Zhao YW. [Clinicopathologic and molecular subtyping analysis of occult breast cancer]. ZHONGHUA BING LI XUE ZA ZHI = CHINESE JOURNAL OF PATHOLOGY 2018; 47:633-634. [PMID: 30107672 DOI: 10.3760/cma.j.issn.0529-5807.2018.08.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
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Liu QY, Zhang YP, Xu ZG, Gao G, Feng SE, Kong LF, Wang YG. [Clinicopathologic and genetic features analysis of oral and maxillofacial metastatic carcinoma]. ZHONGHUA BING LI XUE ZA ZHI = CHINESE JOURNAL OF PATHOLOGY 2018; 47:546-547. [PMID: 29996323 DOI: 10.3760/cma.j.issn.0529-5807.2018.07.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
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Deng LL, Deng HB, Lu CL, Gao G, Wang F, Yang Y. Differential molecular markers of primary lung tumors and metastatic sites indicate different possible treatment selections in patients with metastatic lung adenocarcinoma. Clin Transl Oncol 2018; 21:197-205. [DOI: 10.1007/s12094-018-1906-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2018] [Accepted: 06/01/2018] [Indexed: 12/26/2022]
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Gao G, Qian MH, Ji C, Yao M. [The analysis of the effect of psycho-intervention combined with diazepam on patients with sudden sensorineural hearing loss and anxiety]. LIN CHUANG ER BI YAN HOU TOU JING WAI KE ZA ZHI = JOURNAL OF CLINICAL OTORHINOLARYNGOLOGY, HEAD, AND NECK SURGERY 2018; 32:753-757. [PMID: 29873212 DOI: 10.13201/j.issn.1001-1781.2018.10.007] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 02/01/2018] [Indexed: 11/12/2022]
Abstract
Objective: To investigate the therapeutic effect of psychological intervention combined with diazepam on sudden hearing loss patients with anxiety. Method: 108 cases of sudden hearing loss patients with anxiety were randomly divided into two groups(n=54 in each group): The control group received routine treatment of sudden hearing loss, the study group was given psychological intervention combined with diazepam tablets(2.5 mg once, twice a day) based on the routine treatment. The hearing and HAMA and SAS scores were reviewed after 10 days of treatment. Result: After 10 days of treatment, the average hearing threshold of patients in the control group and the study group were respectively increased by (19.65±7.89)dB and (26.93±9.04)dB (t=4.54, P=0.006), the HAMA score of two groups were respectively decreased by 4.68 and 10.75(t=9.949, P=0.000)and the SAS score of two groups were respectively decreased by 15.93 and 23.39 (t=6.773, P=0.000), and the total efficiency of hearing of two groups were 61.11% and 77.78% (χ²=4.441, P=0.035),respectively. the differences were statistically significant. Conclusion: Psychological intervention combined with diazepam can relieve anxiety in patients with sudden hearing loss effectively, and play a positive role in the development and prognosis of patients with sudden sensorineural hearing loss.
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Lv J, Zhang H, Ma J, Ma Y, Gao G, Song Z, Yang Y. Comparison of CT radiogenomic and clinical characteristics between EGFR and KRAS mutations in lung adenocarcinomas. Clin Radiol 2018; 73:590.e1-590.e8. [DOI: 10.1016/j.crad.2018.01.009] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2017] [Accepted: 01/11/2018] [Indexed: 01/26/2023]
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Jiang WG, Ye L, Owen S, Ruge F, Martin TA, Sanders AJ, Gao G, Wei C, Wu Y, Davies E. Abstract P3-15-04: Signalling pathways targeted by the YangZheng Xiaoji extract and the therapeutic implications in human breast cancer. Cancer Res 2018. [DOI: 10.1158/1538-7445.sabcs17-p3-15-04] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
Background. Yangzheng Xiaoji is a formulation of Chinese medicine and has been used in the treatment of solid cancer as an adjuvant to chemotherapy by reducing the side effects to the patient. There has been evidence to show that the medicine has a direct biological role in cancer cells. In the present study, we sought to investigate the potential effects of the medicine on breast cancer cells and in particular aimed to identify the key targets and molecular pathways contributing to the anti-cancer effect of the medicine.
Methods. Human breast cancer cell lines (BT549, BT20, MDA MB-231, MCF-7 and ZR 75-1) with varying invasiveness and receptor status were used. The soluble extract of Yangzheng Xiaoji, namely DME25 was used in the study. The effects of DME25 on the growth, toxicity and cellular migration were assessed. Signalling kinase changes were screened using kinase antibody array based array technologies. Kinases were also validated using phosphorylation based protein blotting.
Results. Of the five breast cancer cell lines tested, Yangzheng Xiaoji extract DME25 showed little cytotoxicity over a broad range of concentrations. However, DME25 were able to markedly reduce the migration of the panel of breast cancer tested, without being toxic. Triple negative cells responded in a similar fashion with other cells. It was also noted that the adhesion of these cells were also inhibited by DME25. Using a protein kinase array, it was shown that a number of kinase complexes were inhibited by the medicine, notable ones including EGFR family kinases (reduced by 35%), Janus protein kinases (JAK) (by 57%), and Ras-related C3 botulinum toxin substrate (Rac1 or CDC42 GTPase) (by 49%) and Ribosomal protein S6 kinases (RSKs) (by 52%). Given the clinical significance of RSKs in human breast cancer, we further evaluated the role of RSK and RSK inhibitors in DME mediated cell functions and have demonstrated that both in triple negative breast cancer cells and receptor positive breast cancer cell lines, DME25 was able to synergistically enhance the effect of RSK2 inhibitor, SL1010-1, on the both the cellular migration and cell growth.
Conclusion. Yangzheng Xiaoji has a broad and direct effect on the migration of breast cancer, an effect unrelated to hormone receptor status and independent of cytotoxicity. The medicine appears to target kinase pathway, particularly for the RSK kinases, suggesting an important clinical implication in the treatment of breast cancer.
Citation Format: Jiang WG, Ye L, Owen S, Ruge F, Martin TA, Sanders AJ, Gao G, Wei C, Wu Y, Davies E. Signalling pathways targeted by the YangZheng Xiaoji extract and the therapeutic implications in human breast cancer [abstract]. In: Proceedings of the 2017 San Antonio Breast Cancer Symposium; 2017 Dec 5-9; San Antonio, TX. Philadelphia (PA): AACR; Cancer Res 2018;78(4 Suppl):Abstract nr P3-15-04.
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Koppel S, Charlton JL, Hua P, Liu PY, Pham H, Stephan K, Logan D, St Louis RM, Gao G, Griffiths D, Williams G, Witharanage T, Di Stefano M, Darzins P, Odell M, Porter MM, Mazer B, Gelinas I, Vrkljan B, Marshall S. Are older drivers' driving patterns during an on-road driving task representative of their real-world driving patterns? TRAFFIC INJURY PREVENTION 2018; 19:S173-S175. [PMID: 30841798 DOI: 10.1080/15389588.2018.1532219] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
OBJECTIVE The current study investigated whether older drivers' driving patterns during a customized on-road driving task were representative of their real-world driving patterns. METHODS Two hundred and eight participants (male: 68.80%; mean age = 81.52 years, SD = 3.37 years, range = 76.00-96.00 years) completed a customized on-road driving task that commenced from their home and was conducted in their own vehicle. Participants' real-world driving patterns for the preceding 4-month period were also collected via an in-car recording device (ICRD) that was installed in each participant's vehicle. RESULTS During the 4-month period prior to completing the on-road driving task, participants' median real-world driving trip distance was 2.66 km (interquartile range [IQR] = 1.14-5.79 km) and their median on-road driving task trip distance was 4.41 km (IQR = 2.83-6.35 km). Most participants' on-road driving task trip distances were classified as representative of their real-world driving trip distances (95.2%, n = 198). CONCLUSIONS These findings suggest that most older drivers were able to devise a driving route that was representative of their real-world driving trip distance. Future research will examine whether additional aspects of the on-road driving task (e.g., average speed, proportion of trips in different speed zones) are representative of participants' real-world driving patterns.
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Lv Y, Wang Y, Sun J, Gong C, Chen Y, Su G, Gao G, Bai C, Wei Z, Zhang L, Bou S, Li G. MicroRNA profiles of fibroblasts derived from in vivo fertilized and fat-1 transgenic cattle. Gene 2017; 636:70-77. [PMID: 28843519 DOI: 10.1016/j.gene.2017.08.012] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2017] [Revised: 07/26/2017] [Accepted: 08/23/2017] [Indexed: 01/08/2023]
Abstract
Fat-1 transgenic cattle have high levels of ω-3 fatty acids, which regulate several genes in fatty acid metabolism. In the current study, fibroblasts derived from in vivo fertilized (Ferti) and fat-1 transgenic (TG) Luxi cattle (Bos taurus), a local breed in China, were cultured and their miRNA expression was characterized. Expression of 352 known miRNAs differed in cells from Ferti and TG cattle: 83 miRNAs were found to be specifically expressed in cells from Ferti cattle while 23 miRNAs were found to be specifically expressed in cells from TG cattle. Novel differences in miRNA expression were also found in cells from Ferti and TG cattle. The identity of seven differentially expressed miRNAs was verified using quantitative real-time PCR, and target genes were identified computationally. GO and KEGG analysis revealed that these miRNAs were involved in seven major biological pathways, including metabolism, MAPK signaling, calcium signaling, purine metabolism, ubiquitin mediated proteolysis, pyrimidine metabolism, and the cell cycle. Overexpression of one of these miRNAs, miR-21-5p, was found to suppress expression of fibroblast growth factor 10 (FGF10) and adipose triglyceride lipase (ATGL) in fibroblasts from TG cattle and 3T3-L1 pre-adipocytes. Conversely, knockdown of miR-21-5p stimulated expression. Together, these results suggest that miRNAs potentially play a role in expression of lipogenic and lipolytic genes as well as in synthesis of ω-3 fatty acids facilitated by fat-1.
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Yang L, Zha Y, Feng J, Dong H, Zong C, Lei X, Liang N, Wang X, Gao G, Bai X. Treatment of a Pediatric Case of Severe Hemorrhagic Cystitis: Case Report and Review of Literature. Transplant Proc 2017; 49:2365-2367. [PMID: 29198679 DOI: 10.1016/j.transproceed.2017.10.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2017] [Accepted: 10/04/2017] [Indexed: 11/16/2022]
Abstract
Hemorrhagic cystitis is one of the complications of allogeneic hematopoietic stem cell transplantation. Treatment of hemorrhagic cystitis is difficult, especially in pediatric patients. A pediatric case of severe hemorrhagic cystitis after hematopoietic stem cell transplantation was treated in our hospital with arterial embolization combined with corticosteroid therapy because the conventional therapy was invalid for him. After the treatment, hemorrhagic cystitis was cured. During follow-up, the patient was in stable condition, with normal urine, blood cells returned to normal, bone marrow was in complete remission state, and disease-free survival for more than 8 months. Selective bladder arterial embolism followed by corticosteroid therapy successfully treated the patient.
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He Y, Zhao C, Li X, Ren S, Jiang T, Zhang J, Su C, Chen X, Cai W, Gao G, Li W, Wu F, Li J, Zhao J, Zhou F, Hu Q, Hirsch F, Zhou C. P1.03-052 Comparing EGFR-TKI with EGFR-TKI plus Chemotherapy as 1st Line Treatment in Advanced NSCLC Patients with Both Mutated EGFR and Bim Polymorphism. J Thorac Oncol 2017. [DOI: 10.1016/j.jtho.2017.09.857] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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69
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Wang Y, Shi J, Li W, Gao G, Ren S, Zhou C. P2.07-047 Poor Performance Status and BRAF Mutation Predict Grade 3-5 Immune-Related Adverse Events in Pts with Advanced NSCLC. J Thorac Oncol 2017. [DOI: 10.1016/j.jtho.2017.11.106] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Wu F, Zhang S, Yu J, Gao G, Li W, Cai W, Su C, Chen X, Ren S, Zhou C. P3.01-085 A Phase 2 Trial of Apatinib in Advanced Non-Squamous NSCLC: Updated Data and Clinical Benefit of Continuing Apatinib after Initial Progression. J Thorac Oncol 2017. [DOI: 10.1016/j.jtho.2017.09.1526] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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71
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Chen Y, Zhang Y, Chao YJ, Gao G, Ni CS, Fu XM, Wei JJ, Gu DQ, Yu J. Stent-assisted coiling embolization of middle cerebral artery trifurcation wide-necked aneurysms. EUROPEAN REVIEW FOR MEDICAL AND PHARMACOLOGICAL SCIENCES 2017; 21:4346-4349. [PMID: 29077162] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
OBJECTIVE The aim of this study was to examine the effects of stent-assisted coiling embolization of middle cerebral artery (MCA) trifurcation wide-necked aneurysms in clinical practice. PATIENTS AND METHODS 57 patients with MCA trifurcation wide-necked aneurysms underwent stent-assisted coiling embolization using a solitaire AB stent. All 57 patients completed the surgery successfully. Embolization efficacy was graded according to the modified Raymond scale. RESULTS There were 52 cases of complete embolization, 4 cases of residual aneurysm neck, and 1 case of residual aneurysm body. 50 patients participated in a 6-36-month follow-up. There has not been observed any aneurysm rupture and hemorrhage. 50 patients received digital subtraction angiography (DSA) re-examination; 46 patients presenting complete embolization had no aneurysm relapses; 3 patients had residual aneurysm neck demonstrated; 1 patient had no aneurysm neck and others 2 were in stable condition. Finally, the patient with residual aneurysm body showed no sign during follow-up reexamination. CONCLUSIONS Stent-assisted coiling embolization of intracranial wide-necked aneurysms using the solitaire AB stent was safe and effective.
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Silva RMO, Vallejo RL, Evenhuis JP, Leeds TD, Gao G, Parsons JE, Martin KE, Lourenco DAL, Palti Y. 209 Prospecting genomic regions associated with columnaris disease in two rainbow trout breeding populations. J Anim Sci 2017. [DOI: 10.2527/asasann.2017.209] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Swayampakula M, McDonald PC, Vallejo M, Coyaud E, Chafe SC, Westerback A, Venkateswaran G, Shankar J, Gao G, Laurent EMN, Lou Y, Bennewith KL, Supuran CT, Nabi IR, Raught B, Dedhar S. The interactome of metabolic enzyme carbonic anhydrase IX reveals novel roles in tumor cell migration and invadopodia/MMP14-mediated invasion. Oncogene 2017; 36:6244-6261. [PMID: 28692057 PMCID: PMC5684442 DOI: 10.1038/onc.2017.219] [Citation(s) in RCA: 86] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2017] [Revised: 05/05/2017] [Accepted: 05/30/2017] [Indexed: 12/15/2022]
Abstract
Carbonic anhydrase IX (CAIX) is a hypoxia inducible factor 1-induced, cell surface pH regulating enzyme with an established role in tumor progression and clinical outcome. However, the molecular basis of CAIX-mediated tumor progression remains unclear. Here, we have utilized proximity dependent biotinylation (BioID) to map the CAIX ‘interactome’ in breast cancer cells in order to identify physiologically relevant CAIX-associating proteins with potential roles in tumor progression. High confidence proteins identified include metabolic transporters, β1 integrins, integrin-associated protein CD98hc and matrix metalloprotease 14 (MMP14). Biochemical studies validate the association of CAIX with α2β1 integrin, CD98hc and MMP14, and immunofluorescence microscopy demonstrates colocalization of CAIX with α2β1 integrin and MMP14 in F-actin/cofilin-positive lamellipodia/pseudopodia, and with MMP14 to cortactin/Tks5-positive invadopodia. Modulation of CAIX expression and activity results in significant changes in cell migration, collagen degradation and invasion. Mechanistically, we demonstrate that CAIX associates with MMP14 through potential phosphorylation residues within its intracellular domain, and that CAIX enhances MMP14-mediated collagen degradation by directly contributing hydrogen ions required for MMP14 catalytic activity. These findings establish hypoxia-induced CAIX as a novel metabolic component of cellular migration and invasion structures, and provide new mechanistic insights into its role in tumor cell biology.
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Fu P, Gao G, Song ZQ, He SY, Qin PJ, Li D, Tang LJ, Wang WLS, Wu YB, Liang XY. Design and Test Results for the PF Power Supply System of EAST. FUSION SCIENCE AND TECHNOLOGY 2017. [DOI: 10.13182/fst08-a1916] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Fu P, Liu ZZ, Xu JZ, Gao G, Wen JL, Cao Y, Song ZQ, Tang LJ, Wang LS, Liang XY. Poloidal Field Power Supply Systems for the HT-7U Steady-State Superconducting Tokamak. FUSION SCIENCE AND TECHNOLOGY 2017. [DOI: 10.13182/fst02-a223] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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