|
|
|
题名
|
作者
|
年代
|
出处
|
被引量
|
| 1 | Response evaluation of chemotherapy in metastatic colorectal cancer by contrast enhanced ultrasound显示文摘AIM:To evaluate whether contrast enhanced ultrasound(CEUS) might also be used for response prediction and early response evaluation in patients receiving bevacizumab based chemotherapy for metastasized colorectal cancer.METHODS:Thirty consecutive patients with non primary resectable liver metastases from colorectal cancer underwent CEUS before treatment(CEUS date 1) and before the second(CEUS date 2) and fourth(CEUS date 3) cycle of bevacizumab based chemotherapy.Three parameters [PEAK,Time to peak(TTP) and RISE RATE]were correlated with radiological response.RESULTS:For neoadjuvant purpose a reduction of tumour mass was required to assume clinical response.Based on these response criteria there was a significant(P < 0.001) correlation in TTP between metastases of responders(9.08 s) and non-responders(14.76 s) archived on CEUS date 1.By calculating a standardized quotient(metastases divided by normal liver tissue) we were able to define a cut off,predicting response with a sensitivity of 92.3 % and a specificity of 100 %.To reflect a palliative intention only those patients with progressive disease were classified as non-responders.In this stetting TTP was also significantly(P < 0.01) different between responders and non-responders.In contrast,Peak and Rise rate did not show any significant difference between responder and non-responder.CONCLUSION:CEUS might serve as a surrogate marker to predict treatment response in patients with metastasized colorectal cancer who receive antiangiogenic therapy. | Ramin Schirin-Sokhan Ron Winograd Christoph Roderburg Jhenee Bubenzer Nicole Cabral do ó Dorothee Guggenberger Hartmut Hecker Christian Trautwein Jens J W Tischendorf | 2012 | World Journal of Gastroenterology2012，18，6： | 16 |
| 2 | Adenosquamous carcinoma of the pancreas: Molecular characterization of 23 patients along with a literature review显示文摘Adenosquamous carcinoma of the pancreas(ASCP)is a rare entity. Like adenocarcinoma of the pancreas,overall survival is poor. Characteristics of ASCP include central tumor necrosis, along with osteoclasts and hypercalcemia. Various theories exist as to why this histological subtype exists, as normal pancreas tissue has no benign squamous epithelium. Due to the rarity of this disease, limited molecular analysis has been performed, and those reports indicate unique molecular features of ASCP. In this paper, we characterize 23 patients diagnosed with ASCP through molecular profiling using immunohistochemistry staining, fluorescent in situ hybridization, chromogenic in situ hybridization, and gene sequencing, Additionally, we provide a comprehensive literature review of what is known to date of ASCP.Molecular characterization revealed overexpression in MRP1(80%), MGMT(79%), TOP2A(75), RRM1(42%),TOPO1(42%), PTEN(45%), CMET(40%), and C-KIT(10%) among others. One hundred percent of samples tested were positive for KRAS mutations. This analysis shows heretofore unsuspected leads to be considered for treatments of this rare type of exocrine pancreas cancer. Molecular profiling may be appropriate to provide maximum information regarding the patient's tumor. Further work should be pursued to better characterize this disease. | Erkut Borazanci Sherri Z Millis Ron Korn Haiyong Han Clifford J Whatcott Zoran Gatalica Michael T Barrett Derek Cridebring Daniel D Von Hoff | 2015 | World Journal of Gastrointestinal Oncology2015，7，9： | 6 |
| 3 | m TOR signaling in liver regeneration: Rapamycin combined with growth factor treatment显示文摘AIM: To investigate the effects of mammalian target of rapamycin(mT OR) inhibition on liver regeneration and autophagy in a surgical resection model.METHODS: C57BL/6 mice were subjected to a 70% partial hepatectomy(PH) and treated intraperitoneally every 24 h with a combination of the m TOR inhibitor rapamycin(2.5 mg/kg per day) and the steroid dexamethasone(2.0 mg/kg per day) in phosphate bufferedsaline(PBS) or with PBS alone as vehicle control. In the immunosuppressant group, part of the group was treated subcutaneously 4 h prior to and 24 h after PH with a combination of human recombinant interleukin 6(IL-6; 500 μg/kg per day) and hepatocyte growth factor(HGF; 100 μg/kg per day) in PBS. Animals were sacrificed 2, 3 or 5 d after PH and liver tissue and blood were collected for further analysis. Immunohistochemical staining for 5-Bromo-2'-deoxyuridine(Brd U) was used to quantify hepatocyte proliferation. Western blotting was used to detect hepatic microtubule-associated protein 1 light chain 3(LC3)-Ⅱ protein expression as a marker for autophagy. Hepatic gene expression levels of proliferation-, inflammation- and angiogenesisrelated genes were examined by real-time reverse transcription-polymerase chain reaction and serum bilirubin and transaminase levels were analyzed at the clinical chemical core facility of the Erasmus MC-University Medical Center.RESULTS: m TOR inhibition significantly suppressed regeneration, shown by decreased hepatocyte proliferation(2% vs 12% Brd U positive hepatocyte nuclei at day 2, P < 0.01; 0.8% vs 1.4% at day 5, P = 0.02) and liver weight reconstitution(63% vs 76% of initial total liver weight at day 3, P = 0.04), and furthermore increased serum transaminase levels(aspartate aminotransferase 641 U/L vs 185 U/L at day 2, P = 0.02). Expression of the autophagy marker LC3-Ⅱ, which was reduced during normal liver regeneration, increased after mT OR inhibition(46% increase at day 2, P = 0.04). Hepatic gene expression showed an increased inflammation-related response [tumor necrosis factor(TNF)-α 3.2-fold upregulation at day 2, P = 0.03; IL-1Ra 6.0-fold upregulation at day 2 and 42.3-fold upregulation at day 5, P < 0.01] and a reduced expression of cell cycle progression and angiogenesis-related factors(HGF 40% reduction at day 2; vascular endothelial growth factor receptor 2 50% reduction at days 2 and 5; angiopoietin 1 60% reduction at day 2, all P ≤ 0.01). Treatmentwith the regeneration stimulating cytokine IL-6 and growth factor HGF could overcome the inhibitory effect on liver weight(75% of initial total liver weight at day 3, P = 0.02 vs immunosuppression alone and P = 0.90 vs controls) and partially reversed gene expression changes caused by rapamycin(TNF-α and IL-1Ra levels at day 2 were restored to control levels). However, no significant changes in hepatocyte proliferation, serum injury markers or autophagy were found.CONCLUSION: mT OR inhibition severely impairs liver regeneration and increases autophagy after PH. These effects are partly reversed by stimulation of the IL-6 and HGF pathways. | Suomi MG Fouraschen Petra E de Ruiter Jaap Kwekkeboom Ron WF de Bruin Geert Kazemier Herold J Metselaar Hugo W Tilanus Luc JW van der Laan Jeroen de Jonge | 2013 | World Journal of Transplantation2013，3，3： | 6 |
| 4 | 经桡动脉行颈动脉狭窄支架成形术的疗效分析显示文摘目的探讨经桡动脉入路行颈动脉狭窄支架成形术的适应证和优势.方法经桡动脉入路在颈内动脉岩部放置阻塞球囊,对38例颈动脉粥样硬化性狭窄患者行支架置入术.其中有症状者29例,无症状者9例.术前均行颈动脉数字减影血管造影(DSA)、脑实质血管DSA、颈动脉多普勒超声及头部MRI等检查.结果术后患者均复查颈动脉DSA和脑实质血管DSA,显示脑部供血均有明显改善,其患侧颈内动脉、皮质下血管显影时间较术前提前0.3~0.8 s,颅内血管血流经过时间缩短0.4~0.7 s.短暂性脑缺血发作(TIA)症状消失.全组无手术死亡病例,无并发症.随访3~15个月,无再狭窄患者.结论当经股动脉入路为相对禁忌时,经桡动脉入路是颈动脉狭窄支架成形术值得选择的一种入路. | 张佳栋 J G Théron | 2005 | 中国脑血管病杂志2005，2，12： | 4 |
| 5 | 人参减少 γ射线照射的淋巴细胞微核量(英文)显示文摘目的 评价中国人参对减少辐射诱导的人周围血 G0 期淋巴细胞 (PBL)微核量的作用。方法 采用细胞因子阻滞的微核法检测健康志愿者的血标本。体外 1 37Cs照射之前 ,每份血标本的单个核细胞培养以不同浓度 (0~ 2 0 0 0μg· m l- 1 )的人参根水提取物孵育 2 4 h。结果 (1)在 0 Gy时 ,每 10 0 0个双核 (BN )细胞的微核量是 11.3± 2 .7,人参水提取物≥ 5 0 0μg· ml- 1 时微核量下降 ,但微核量和人参水提取物的浓度之间的差异是显著的。 (2 )单独射线照射显著增加微核量 ,当暴露于 1Gy的照射时 ,随着培养介质中人参水提取物浓度的增加 ,微核量呈显著的线性降低 (R2 =0 .0 5 ,P =0 .0 0 2 ) ;对暴露于 1Gy辐射诱导的微核量 ,人参水提取物浓度在 15 0 0μg· m l- 1 时减少 4 6 .6 % ,浓度在 2 0 0 0μg·m l- 1时减少 5 7.6 % ;对暴露于 2 Gy辐射诱导的微核量的减少呈更强的线性相关 (R2 =0 .7,P=0 .0 0 0 1) ;(3)微核数据分析的结果呈现出与 Poisson模型相关的过度离散趋势。结果表明 :(1)人参水提取物浓度达 2 0 0 0 μg· ml- 1时 ,对 PBL 细胞毒作用无明显影响 ;(2 )人参水提取物浓度在 5 0 0 μg· ml- 1和 2 0 0 0 μg· ml- 1之间时 ,对抗 1 37Cs照射诱导的 MN发挥保护作用。 | 李同光 Ron R Allison Kevin F O'Brien Prabhaker G Khazanie Larry J Dobbs Jr. Peter J Kragel | 2004 | 新乡医学院学报2004，21，3： | 3 |
| 6 | Photonic gas sensors exploiting directly the optical properties of hybrid carbon nanotube localized surface plasmon structures显示文摘Weinvestigate the modification of the optical properties of carbon nanotubes(CNTs)resulting from a chemical reaction triggered by the presence of a specific compound(gaseous carbon dioxide(CO_(2)))and show this mechanism has important consequences for chemical sensing.CNTs have attracted significant research interest because they can be functionalized for a particular chemical,yielding a specific physical response which suggests many potential applications in the fields of nanotechnology and sensing.So far,however,utilizing their optical properties for this purpose has proven to be challenging.We demonstrate the use of localized surface plasmons generated on a nanostructured thin film,resembling a large array of nano-wires,to detect changes in the optical properties of the CNTs.Chemical selectivity is demonstrated using CO_(2) in gaseous form at room temperature.The demonstrated methodology results additionally in a new,electrically passive,optical sensing configuration that opens up the possibilities of using CNTs as sensors in hazardous/explosive environments. | Thomas Allsop Raz Arif Ron Neal Kyriacos Kalli Vojtěch Kundrát Aleksey Rozhin Phil Culverhouse David J Webb | 2016 | Light(Science & Applications)2016，5，1： | 3 |
| 7 | The Strengths and Difficulties Self-Report Questionnaire as a screening instrument in Norwegian community samples显示文摘 | Ronning J A Handegaard BH Sourander A | 2004 | Eur Child Adolesc Psychiatry2004，13，2： | 1 |
| 8 | Organizational decision support system for effective R&D project selection 显示文摘 | TIAN Q MA J LIANG J RON C W K OU L | 2005 | Decision Support Systems2005，39，3： | 1 |
| 9 | Preservation or Conversion? Valuation and Evaluation of a Mangrove Forest in the Philippines显示文摘 | Ron J Padilla J | 1999 | Environmental and Resource Economics1999，14，5： | 1 |
| 10 | Endoplasmic reticulum stress signaling in disease 显示文摘 | Marciniak S J Ron D | 2006 | Physiol Rev2006，86，4： | 1 |
| 11 | Perceived usefulness,ease of use and electronic supermarket use显示文摘 | Ron H Divett M J | 2003 | Interna- tional Journal of Human-Computer Studies2003，59，3： | 1 |
| 12 | A genet-ic algorithm approach to multiobjective land use planning 显示文摘 | Theodor J Stewarta Ron Janssen Marjan van Herwijnen | 2004 | 31(14) :2293 -23132004，31，14： | 1 |
| 13 | Antibiotics against Pseudomonas aeruginosa for COPD exacerbation in ICU:a 10-year retrospective study显示文摘 | Planquette B Péron J Dubuisson E | 2015 | Int J Chron Obstruct Pulmon Dis2015，10，： | 1 |
| 14 | Molecular tools in rhizosphere microbiology-from single-cell to whole-community analysis显示文摘 | Sorensen J Nicolaisen M H Ron E | 2009 | Plant Soil2009，321，12： | 1 |
| 15 | Endoplasmie retieulum stress signaling in disease显示文摘 | Mareiniak S J Ron D | 2006 | Physiol Rev2006，86，4： | 1 |
| 16 | Technology foresight for wiring up the national innovation system experiences in Britain, Australia, and New Zealand 显示文摘 | BEN R M RON J | 1999 | Technological Forecasting and Social Change1999，，60： | 1 |
| 17 | Bhopal retrospeetive显示文摘 | RON J | 2002 | Metal Finishing2002，100，8： | 1 |
| 18 | Nonradiation risk factors for thyroid cancer in the US Radiologic Teehnol ogistsStudy显示文摘 | Meinhold C L Ron E Schonfeld S J | 2010 | Am J Epidemiol2010，171，2： | 1 |
| 19 | Molecular tools in rhizosphere microbiology - from single - cell to whole - conununity analysis显示文摘 | Sorensen J Nicolaisen M H Ron E | 2009 | Plant and Soil2009，321，12： | 1 |
| 20 | An ant-colony algorithm approach to multiobjective land use planning显示文摘 | Stewart Theodor J Janssen Ron van Herwijnen Marjan | 2004 | Computers and Operations Research2004，31，14： | 1 |
您所在的机构暂未开通此部分的功能，请联系管理员