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310篇 您的检索式:作者名="Takabe"
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1Cancer cachexia,mechanism and treatment显示文摘It is estimated that half of all patients with cancer eventually develop a syndrome of cachexia, with anorexia and a progressive loss of adipose tissue and skeletal muscle mass. Cancer cachexia is characterized by systemic inflammation, negative protein and energy balance, and an involuntary loss of lean body mass. It is an insidious syndrome that not only has a dramatic impact on patient quality of life, but also is associated with poor responsesto chemotherapy and decreased survival. Cachexia is still largely an underestimated and untreated condition, despite the fact that multiple mechanisms are reported to be involved in its development, with a number of cytokines postulated to play a role in the etiology of the persistent catabolic state. Existing therapies for cachexia, including orexigenic appetite stimulants, focus on palliation of symptoms and reduction of the distress of patients and families rather than prolongation of life. Recent therapies for the cachectic syndrome involve a multidisciplinary approach. Combination therapy with diet modification and/or exercise has been added to novel pharmaceutical agents, such as Megestrol acetate, medroxyprogesterone, ghrelin, omega-3-fatty acid among others. These agents are reported to have improved survival rates as well as quality of life. In this review, we will discuss the emerging understanding of the mechanisms of cancer cachexia, the current treatment options including multidisciplinary combination therapies, as well an update on new and ongoing clinical trials.Tomoyoshi Aoyagi Krista P Terracina Ali Raza Hisahiro Matsubara Kazuaki Takabe 2015World Journal of Gastrointestinal Oncology2015,7,4:20
2Current treatment options for colon cancer peritoneal carcinomatosis显示文摘Peritoneal carcinomatosis(PC),the dissemination of cancer cells throughout the lining of the abdominal cavity,is the second most common presentation of colon cancer distant metastasis.Despite remarkable advances in cytotoxic chemotherapy and targeted therapy for colon cancer over the last 15 years,it has been repeatedly shown that these therapies remain ineffective for colon cancer PC.Recently,there has been a rapid accumulation of reports that cytoreductive surgery combined with hyperthermic intraperitoneal chemotherapy(CRS-HIPEC) prolongs the life of colon cancer PC patients.Here,we will review the clinical presentation,the mechanisms of disease progression,and current treatment options for colon cancer PC,with a focus on the benefits and limitations of CRSHIPEC.Tomoyoshi Aoyagi Krista P Terracina Ali Raza Kazuaki Takabe 2014World Journal of Gastroenterology2014,20,35:15
3Advances in the management of peritoneal mesothelioma显示文摘Malignant peritoneal mesothelioma(PM) is an infrequent disease which has historically been associated with a poor prognosis. Given its long latency period and non-specific symptomatology, a diagnosis of PM can be suggested by occupational exposure history, but ultimately relies heavily on imaging and diagnostic biopsy. Early treatment options including palliative operative debulking, intraperitoneal chemotherapy, and systemic chemotherapy have marginally improved the natural course of the disease with median survival being approximately one year. The advent of cytoreduction(CRS) with hyperthermic intraperitoneal chemotherapy(HIPEC) has dramatically improved survival outcomes with wide median survival estimates between 2.5 to 9 years; these studies however remain largely heterogeneous, with differing study populations, tumor biology, and specific treatment regimens. More recent investigations have explored extent of cytoreduction, repeated operative intervention, and choice of chemotherapy but have been unable to offer definitive conclusions. CRS and HIPEC remain morbid procedures with complication rates ranging between 30% to 46% in larger series. Ac-cordingly, an increasing interest in identifying molecular targets and developing targeted therapies is emerging. Among such novel targets is sphingosine kinase 1(SphK1) which regulates the production of sphingosine-1-phosphate, a biologically active lipid implicated in various cancers including malignant mesothelioma. The known action of specific SphK inhibitors may warrant further exploration in peritoneal disease.Ali Raza Wei-Ching Huang Kazuaki Takabe 2014World Journal of Gastroenterology2014,20,33:15
4Lymphangiogenesis:A new player in cancer progression显示文摘Lymph node metastasis is the hallmark of colon cancer progression,and is considered one of the most important prognostic factors.Recently,there has been growing evidence that tumor lymphangiogenesis(formation of new lymphatic vessels) plays an important role in this process.Here,we review the latest f indings of the role of lymphangiogenesis in colorectal cancer progression,and discuss its clinical application as a biomarker and target for new therapy.Understanding the molecular pathways that regulate lymphangiogenesis is mandatory to pave the way for the development of new therapies for cancer.In the future,tailored treatments consisting of combinations of chemotherapy,other targeted therapies,and anti-lymphangiogenesis agents will hopefully improve patient outcomes.This progression to the clinic must be guided by new avenues of research,such as the identif ication of biomarkers that predict response to treatment.Masayuki Nagahashi Subramaniam Ramachandran Omar M Rashid Kazuaki Takabe 2010World Journal of Gastroenterology2010,16,32:14
5Mechanisms of Salt Tolerance in Transgenic Arabidopsis thaliana Carrying a Peroxisomal Ascorbate Peroxidase Gene from Barley显示文摘Ascorbate peroxidases (APX), localized in the cytosol, peroxisome, mitochondria, and chloroplasts of plant cells, catalyze the reduction of H2O2 to water by using ascorbic acid as the specific electron donor. To determine the role of peroxisomal type ascorbate peroxidase (pAPX), an antioxidant enzyme, in protection against salt-induced oxidative stress, transgenic Arabidopsis thaliana plant carrying a pAPX gene (HvAPX1) from barley (Hordeum vulgare L.) was analyzed. The transgenic line pAPX3 was found to be more tolerant to salt stress than the wild type. Irrespective of salt stress, there were no significant differences in Na+, K+, Ca2+, and Mg2+ contents and the ratio of K+ to Na+ between pAPX3 and the wild type. Clearly, the salt tolerance in pAPX3 was not due to the maintenance and reestablishment of cellular ion homeostasis. However, the degree of H2O2 and lipid peroxidation (measured as the levels of malondialdehyde) accumulation under salt stress was higher in the wild type than in pAPX3. The mechanism of salt tolerance in transgenic pAPX3 can thus be explained by reduction of oxidative stress injury. Under all conditions tested, activities of superoxide, glutathione reductase, and catalase were not significantly different between pAPX3 and the wild type. In contrast, the activity of APX was significantly higher in the transgenic plant than in wild type under salt stress. These results suggested that in higher plants, HvAPX1 played an important role in salt tolerance and was a candidate gene for developing salt-tolerant crop plants.XU Wei-Feng SHI Wei-Ming A. UEDA T. TAKABE 2008Pedosphere2008,18,4:9
6Inverted Meckel's diverticulum as a cause of occult lower gastrointestinal hemorrhage显示文摘Meckel's diverticulum is a common asymptomatic congenital gastrointestinal anomaly,but rarely it can present with hemorrhage.Over the last few years inverted Meckel's diverticulum has been reported in the literature with increasing frequency as an occult source of lower gastrointestinal hemorrhage.Here,we report a case of a 54-year-old male,who was referred for surgical evaluation with persistent anemia and occult blood per rectum after a work up which failed to localize the source over 12 mo,including upper and capsule endoscopy,colonoscopy,enteroclysis,Meckel scan,and tagged nuclear red blood cell scan.An abdominal computed tomography scan showed a possible mid-ileal intussusception and intraluminal mass.During the abdominal exploration,inverted Meckel's diverticulum was diagnosed and resected.We review the literature,discuss the forms in which the disease presents,the diagnostic modalities utilized,pathological findings,and treatment.Although less than 40 cases have been reported in the English literature from 1978 to 2005,19 cases have been reported in the last 6 years alone(2006-2012) due to improved diagnostic modalities.Successful diagnosis and treatment of this disease requires a high index of clinical suspicion,which is becoming increasingly relevant to general gastroenterologists.Omar M Rashid Joseph K Ku Masayuki Nagahashi Akimitsu Yamada Kazuaki Takabe 2012World Journal of Gastroenterology2012,18,42:7
7Chemokines,chemokine receptors and the gastrointestinal system显示文摘The biological properties of tumor cells are known to be regulated by a multitude of cytokines and growth factors,which include epidermal growth factor receptor agonists and members of the transforming growth factor β family.Furthermore,the recent explosion of research in the field of chemokine function as mediators of tumor progression has led to the possibility that these small,immunomodulatory proteins also play key roles in carcinogenesis and may,therefore,be potential targets for novel therapeutic approaches.In this review,we will summarize recently reported findings in chemokine biology with a focus on the gastrointestinal tract.Hiroshi Miyazaki Kazuaki Takabe W Andrew Yeudall 2013World Journal of Gastroenterology2013,19,19:4
8Serum semaphorin 4C as a diagnostic biomarker in breast cancer:A multicenter retrospective study显示文摘Background:To date,there is no approved blood-based biomarker for breast cancer detection.Herein,we aimed to assess semaphorin 4C(SEMA4C),a pivotal protein involved in breast cancer progression,as a serum diagnostic biomarker.Methods:We included 6,213 consecutive inpatients from Tongji Hospital,Qilu Hospital,and Hubei Cancer Hospital.Training cohort and two validation cohorts were introduced for diagnostic exploration and validation.A pan-cancer cohort was used to independently explore the diagnostic potential of SEMA4C among solid tumors.Breast cancer patients who underwent mass excision prior to modified radical mastectomy were also analyzed.We hypothesized that increased pretreatment serum SEMA4C levels,measured using optimized in-house enzymelinked immunosorbent assay kits,could detect breast cancer.The endpoints were diagnostic performance,including area under the receiver operating characteristic curve(AUC),sensitivity,and specificity.Post-surgery pathological diagnosis was the reference standard and breast cancer staging followed the TNM classification.There was no restriction on disease stage for eligibilities.Results:We included 2667 inpatients with breast lesions,2378 patients with other solid tumors,and 1168 healthy participants.Specifically,118 patients with breast cancer were diagnosed with stage 0(5.71%),620 with stage I(30.00%),966 with stage II(46.73%),217 with stage III(10.50%),and 8 with stage IV(0.39%).Patients with breast cancer had significantly higher serum SEMA4C levels than benign breast tumor patients and normal controls(P<0.001).Elevated serum SEMA4C levels had AUC of 0.920(95%confidence interval[CI]:0.900–0.941)and 0.932(95%CI:0.911–0.953)for breast cancer detection in the two validation cohorts.The AUCs for detecting early-stage breast cancer(n=366)and ductal carcinoma in situ(n=85)were 0.931(95%CI:0.916–0.946)and 0.879(95%CI:0.832–0.925),respectively.Serum SEMA4C levels significantly decreased after surgery,and the reduction was more striking after modified radical mastectomy,compared with mass excision(P<0.001).The positive rate of enhanced serum SEMA4C levels was 84.77%for breast cancer and below 20.75%for the other 14 solid tumors.Conclusions:Serum SEMA4C demonstrated promising potential as a candidate biomarker for breast cancer diagnosis.However,validation in prospective settings and by other study groups is warranted.Ya Wang Long Qiao Jie Yang Xiong Li Yaqi Duan Jiahao Liu Shaoqi Chen Huayi Li Dan Liu Tian Fang Jingjing Ma Xiaoting Li Fei Ye Junxiang Wan Juncheng Wei Qin Xu Ensong Guo Ping Jin Mingfu Wu Lin Zhang Yun Xia Yaqun Wu Jun Shao Yaojun Feng Qing Zhang Zongyuan Yang Gang Chen Qinghua Zhang Xingrui Li Shixuan Wang Junbo Hu Xiaoyun Wang Mona P.Tan Kazuaki Takabe Beihua Kong Qifeng Yang Ding Ma Qinglei Gao 2021Cancer Communications2021,41,12:3
9Bile acids as global regulators of hepatic nutrient metabolism显示文摘Bile acids(BA)are synthesized from cholesterol in the liver.They are essential for promotion of the absorption of lipids,cholesterol,and lipid-soluble vitamins from the intestines.BAs are hormones that regulate nutrient metabolism by activating nuclear receptors(farnesoid X receptor(FXR),pregnane X receptor,vitamin D)and G protein-coupled receptors(e.g.,TGR5,sphingosine-1-phosphate receptor 2(S1PR2))in the liver and intestines.In the liver,S1PR2 activation by conjugated BAs activates the extracellular signal-regulated kinase 1/2 and AKT signaling pathways,and nuclear sphingosine kinase 2.The latter produces sphingosine-1-phosphate(S1P),an inhibitor of histone deacetylases 1/2,which allows for the differential up-regulation of expression of genes involved in the metabolism of sterols and lipids.We discuss here the emerging concepts of the interactions of BAs,FXR,insulin,S1P signaling and nutrient metabolism.Phillip B.Hylemon Kazuaki Takabe Mikhail Dozmorov Masayuki Nagahashi Huiping Zhou 2017Liver Research2017,1,1:3
10Recent progress of laboratory astrophysics with intense lasers显示文摘Thanks to a rapid progress of high-power lasers since the birth of laser by T.H.Maiman in 1960,intense lasers have been developed mainly for studying the scientific feasibility of laser fusion.Inertial confinement fusion with an intense laser has attracted attention as a new future energy source after two oil crises in the 1970s and 1980s.From the beginning,the most challenging physics is known to be the hydrodynamic instability to realize the spherical implosion to achieve more than 1000 times the solid density.Many studies have been performed theoretically and experimentally on the hydrodynamic instability and resultant turbulent mixing of compressible fluids.During such activities in the laboratory,the explosion of supernova SN1987A was observed in the sky on 23 February 1987.The X-ray satellites have revealed that the hydrodynamic instability is a key issue to understand the physics of supernova explosion.After collaboration between laser plasma researchers and astrophysicists,the laboratory astrophysics with intense lasers was proposed and promoted around the end of the 1990s.The original subject was mainly related to hydrodynamic instabilities.However,after two decades of laboratory astrophysics research,we can now find a diversity of research topics.It has been demonstrated theoretically and experimentally that a variety of nonlinear physics of collisionless plasmas can be studied in laser ablation plasmas in the last decade.In the present paper,we shed light on the recent 10 topics studied intensively in laboratory experiments.A brief review is given by citing recent papers.Then,modeling cosmic-ray acceleration with lasers is reviewed in a following session as a special topic to be the future main topic in laboratory astrophysics research.Hideaki Takabe Yasuhiro Kuramitsu 2021High Power Laser Science and Engineering2021,9,4:3
11Sphingosine-1-Phosphate Links Persistent STAT3 Activation, Chronic Intestinal Inflammation, and Development of Colitis-Associated Cancer显示文摘Jie Liang Masayuki Nagahashi Eugene Y. Kim Kuzhuvelil B. Harikumar Akimitsu Yamada Wei-Ching Huang Nitai C. Hait Jeremy C. Allegood Megan M. Price Dorit Avni Kazuaki Takabe Tomasz Kordula Sheldon Milstien Sarah Spiegel 2013Cancer Cell2013,,:3
12A 10-miRNA risk score-based prediction model for pathological complete response to neoadjuvant chemotherapy in hormone receptor-positive breast cancer显示文摘Patients with hormone receptor(HR)-positive tumors breast cancer usually experience a relatively low pathological complete response(p CR)to neoadjuvant chemotherapy(NAC).Here,we derived a 10-micro RNA risk score(10-mi RNA RS)-based model with better performance in the prediction of p CR and validated its relation with the disease-free survival(DFS)in 755 HRpositive breast cancer patients(273,265,and 217 in the training,internal,and external validation sets,respectively).This model,presented as a nomogram,included four parameters:the 10-mi RNA RS found in our previous study,progesterone receptor(PR),human epidermal growth factor receptor 2(HER2)status,and volume transfer constant(K).Favorable calibration and discrimination of 10-mi RNA RS-based model with areas under the curve(AUC)of 0.865,0.811,and 0.804 were shown in the training,internal,and external validation sets,respectively.Patients who have higher nomogram score(>92.2)with NAC treatment would have longer DFS(hazard ratio=0.57;95%CI:0.39–0.83;P=0.004).In summary,our data showed the 10-mi RNA RS-based model could precisely identify more patients who can attain p CR to NAC,which may help clinicians formulate the personalized initial treatment strategy and consequently achieves better clinical prognosis for patients with HRpositive breast cancer.Chang Gong Ziliang Cheng Yaping Yang Jun Shen Yingying Zhu Li Ling Wanyi Lin Zhigang Yu Zhihua Li Weige Tan Chushan Zheng Wenbo Zheng Jiajie Zhong Xiang Zhang Yunjie Zeng Qiang Liu RStephanie Huang Andrzej LKomorowski Eddy SYang François Bertucci Francesco Ricci Armando Orlandi Gianluca Franceschini Kazuaki Takabe Suzanne Klimberg Naohiro Ishii Angela Toss Mona PTan Mathew A Cherian Erwei Song 2022Science China(Life Sciences)2022,65,11:3
13Effects of hydrogen peroxide and nitric oxide on both salt and heat stress tolerance in rice显示文摘Akio Uchida Andre T Jagendorf Takashi Hibino Teruhiro Takabe Tetsuko Takabe 2002Plant Science2002,,3:2
14Hydrodynamic instability in an ablatively imploded target irradiated by high power green lasers 显示文摘Nishimura H Takabe H Mima K 1988Phys of Fluids1988,31,10:2
15Resolvins and omega three polyunsaturated fatty acids: Clinical implications in inflammatory diseases and cancer显示文摘Inflammation is a central process in several disorders and contributes to cancer progression. Inflammation involves a complex cascade of pro-inflammatory and anti-inflammatory signaling events with protein and lipid mediators. Recent advances in lipid detection have revealed the importance of lipid mediators in inflammation. Omega three polyunsaturated fatty acids(ω-3 PUFA) are found naturally in fish oil and have been extensively studied in multiple inflammatory diseases with improved outcomes. Resolvins are thought to be the active metabolites of ω-3 PUFA, and are responsible for facilitating the resolving phase of acute inflammation. Clinically, resolvins have been associated with resolution of acute kidney injury and acute lung injury, micro and macro vascular response to injury, and inhibition of microglia-activated inflammation in neurodegenerative disorders. In addition to inflammatory diseases, ω-3 PUFA and resolvins appear to modulate cancer progression. ω-3 PUFA intake has been associated with reduced inflammation in colorectal cancer, and favorable phenotype in breast cancer. Resolvins offer promising therapeutic potential as they may modulate inflammation with minimal side-effects, in contrast to currently available anti-inflammatory medications. This review describes the roles of ω-3 PUFA and resolvins in the inflammatory cascade, various inflammatory diseases, and specific cancers. Additionally, it will discuss the clinical therapeutic potential of resolvins astargets in inflammatory diseases and cancers.Kazuki Moro Masayuki Nagahashi Rajesh Ramanathan Kazuaki Takabe Toshifumi Wakai 2016World Journal of Clinical Cases2016,4,7:2
16Salt tolerance of transgenic rice overexpressing yeast mitochondrial Mn-SOD in chloropiasts显示文摘Tanaka Y Hibinoa T Hayashib Y Tanakab A Kishitanic S Takabed T Yokotae S Takabe T 1999Plant science1999,148,:1
17SPHK1 as a new strategy a- gainst cancer显示文摘Shida D Takabe K Kapitonov D 2008Current Drug Targets2008,9,:1
18Chaotic neural networks显示文摘Aihara K Takabe T Toyoda M 1990Phys Lett A1990,144,6:1
19Immunolocalization of omethyltransferase and peroxidase in differentiating Xylem of Poplar显示文摘Takeuchi M Takabe K Fujita M 2001Holzforschung2001,55,:1
20'Inside out' signaling of sphingosine-1 phosphate:therapeutic targets显示文摘Takabe K Paugh SW Milstien S 2008Pharmacol Rev2008,60,2:1
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