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| 1 | New anti-proliferative agent,MK615,from Japanese apricot “Prunus mume” induces striking autophagy in colon cancer cells in vitro显示文摘AIM: To investigate the anti-neoplastic effects of MK615, an extract from the Japanese apricot (Prunus mume), against colon cancer cells. METHODS: Three colon cancer cell lines, SW480, COLO, and WiDr, were cultured with MK615. Growth inhibition was evaluated by cell proliferation assay and killing activity was determined by lactate dehydrogenase assay. Induction of apoptosis was evaluated by annexin Ⅴ flow cytometry. Morphological changes were studied by light and electron microscopy, and immunofluorescence staining with Atg8. RESULTS: MK615 inhibited growth and lysed SW480, COLO and WiDr cells in a dose-dependent manner. Annexin Ⅴ flow cytometry showed that MK615 induced apoptosis after 6 h incubation, at which point the occurrence of apoptotic cells was 68.0%, 65.7% and 64.7% for SW480, COLO, and WiDr cells, respectively. Light and electron microscopy, and immunofluorescence staining with Atg8 revealed that MK615 induced massive cytoplasmic vacuoles (autophagosomes) in all three cell lines. CONCLUSION: MK615 has an anti-neoplastic effect against colon cancer cells. The effect may be exerted by induction of apoptosis and autophagy. | Shozo Mori Tokihiko Sawada Toshie Okada Tatsushi Ohsawa Masakazu Adachi Kubota Keiichi | 2007 | World Journal of Gastroenterology2007，13，48： | 9 |
| 2 | Impact of metastatic lymph node ratio in node-positive colorectal cancer显示文摘Colorectal cancer(CRC) is one of the most common malignant diseases in the world.Presently,the most widely used staging system for CRC is the tumor nodes metastasis classification system,which classifies patients into prognostic groups according to the depth of the primary tumor,presence of regional lymph node(LN) metastases,and evidence of distant metastatic spread.The number of LNs with confirmed metastasis is related to the severity of the disease,but this number depends on the number of LNs retrieved,which varies depending on patient age,tumor grade,surgical extent,and tumor site.Numerous studies and a recent structured review have demonstrated associated improvements in the survival of CRC patients with increasing numbers of LNs retrieved for examination.Hence,the impact of lymph node ratio(LNR),defined as the number of metastatic LNs divided by the number of LNs retrieved,has been investigated in various malignancies,including CRC.In this editorial,we review the literature demonstrating the clinicopathological significance of LNR in CRC pati-ents.Some reports have indicated the advantage of considering the LNR compared to the number of LNs retrieved and/or LN status.When the LNR is taken into consideration for survival analysis,the number of LNs retrieved and/or the LN status is not always found to be a prognostic factor.The cut-off points for LNRs were proposed in numerous studies.However,optimal thresholds for LNRs have not yet received consensus.It is still unclear whether the LNR has more prognostic validity than N stage.For all these reasons,the potential advantages of LNRs in the staging system should be investigated in large prospective data sets. | Shingo Noura Masayuki Ohue Shingo Kano Tatsushi Shingai Terumasa Yamada Isao Miyashiro Hiroaki Ohigashi Masahiko Yano Osamu Ishikawa | 2010 | World Journal of Gastrointestinal Surgery2010，2，3： | 7 |
| 3 | MK615 inhibits pancreatic cancer cell growth by dual inhibition of Aurora A and B kinases显示文摘AIM:To investigate the anti-neoplastic effect of MK615, an anti-neoplastic compound isolated from Japanese apricot, against human pancreatic cancer cells in vitro. METHODS: Three human pancreatic cancer cell lines PANC-1, PK-1, and PK45H were cultured with MK615 at concentrations of 600, 300, 150, and 0 μg/mL. Growth inhibition was evaluated by cell proliferation assay, and killing activity was determined by lactate dehydrogenase (LDH) assay. Expression of Aurora A and B kinases was detected by real-time polymerase chain reaction (PCR) and Western blotting. Cell cycle stages were evaluated by flow cytometry. RESULTS: The growth inhibitory rates of MK615 at 150, 300, and 600 μg/mL were 2.3% ± 0.9%, 8.9% ± 3.2% and 67.1% ± 8.1% on PANC1 cells, 1.3% ± 0.3%, 8.7% ± 4.1% and 45.7 ± 7.6% on PK1 cells, and 1.2 ± 0.8%, 9.1% ± 2.1% and 52.1% ± 5.5% on PK45H cells, respectively (P <0.05). The percentage cytotoxicities of MK615 at 0, 150, 300, and 600 μg/mL were 19.6% ± 1.3%, 26.7% ± 1.8%, 25.5% ± 0.9% and 26.4% ± 0.9% in PANC1 cells, 19.7% ± 1.3%, 24.7% ± 0.8%, 25.9% ± 0.9% and 29.9% ± 1.1% in PK1 cells, and 28.0% ± 0.9%, 31.2% ± 0.9%, 30.4% ± 1.1% and 35.3 ± 1.0% in PK45H cells, respectively (P < 0.05). Real-time PCR and Western blotting showed that MK615 dually inhibited the expression of Aurora A and B kinases. Cell cycle analysis revealed that MK615 increased the population of cells in G2/M phase. CONCLUSION: MK615 exerts an anti-neoplastic effect on human pancreatic cancer cells in vitro by dual inhibition of Aurora A and B kinases. | Toshie Okada Tokihiko Sawada Tatsushi Osawa Masakazu Adachi Keiichi Kubota | 2008 | World Journal of Gastroenterology2008，14，9： | 6 |
| 4 | MK615 decreases RAGE expression and inhibits TAGE-induced proliferation in hepatocellular carcinoma cells显示文摘AIM:To investigate the proliferative effect of advanced glycation end-products(AGEs) and the role of their cellular receptor(RAGE) on hepatocellular carcinoma(HCC) cells,and the inhibitory effects of MK615,an extract from Japanese apricot,against AGEs were also evaluated.METHODS:Two HCC cell lines,HuH7 and HepG2,were used.Expression of RAGE was investigated by poly-merase chain reaction,Western blotting,and flow cytemetry(FACS).The effect of MK615 on RAGE expression was also evaluated by FACS.The proliferative effects of a control(unglycated bovine serum albumin),glucosederived AGEs(Glc-AGE),and glyceraldehyde-derived AGEs(Glycer-AGE),and the anti-proliferative effect of MK615 against AGEs,were evaluated using MTT assays.RESULTS:Expression of RAGE was confirmed at both the mRNA and protein levels in both HuH7 and HepG2.FACS revealed that the level of RAGE expression was higher in HuH7 than in HepG2.Treatment with 0.1 μg/mL MK615 decreased the expression level of RAGE from 24.3% to 3.7% in HuH7 and from 6.2% to 4.8% in HepG2.The growth indices for the control,Glc-AGE,and Glycer-AGE were 1.06 ± 0.08,0.99 ± 0.04,and 1.38 ± 0.05,respectively,in HuH7(P = 0.037),and were 1.03 ± 0.04,1.04 ± 0.03,and 1.07 ± 0.05,respectively,in HepG2(P > 0.05).When the cells were cultured simultaneously with Glycer-AGE and MK615,MK615 abrogated the proliferative effect of Glycer-AGE in HuH7.CONCLUSION:Only Glycer-AGE has a proliferative effect on HuH7,which expresses a higher level of RAGE.MK615 suppresses the proliferative effect of GlycerAGE on HuH7 by decreasing the expression of RAGE. | Yuhki Sakuraoka Tokihiko Sawada Toshie Okada Takayuki Shiraki Yoshikazu Miura Katsuya Hiraishi Tatsushi Ohsawa Masakazu Adachi Jun-ichi Takino Masayoshi Takeuchi Keiichi Kubota | 2010 | World Journal of Gastroenterology2010，16，42： | 6 |
| 5 | Anti-apoptotic and neuroprotective effects of edaravone following transient focal ischemia in rats显示文摘 | Shimon Amemiya Tatsushi Kamiya Chikako Nito Toshiki Inaba Kengo Kato Masayuki Ueda Kuniko Shimazaki Yasuo Katayama | 2005 | European Journal of Pharmacology2005，，2： | 3 |
| 6 | Endoscopic ultrasound-guided biliary drainage for right hepatic bile duct obstruction: novel technical tips显示文摘 | Takeshi Ogura Tatsushi Sano Saori Onda Akira Imoto Daisuke Masuda Kazuhiro Yamamoto Masayuki Kitano Toshihisa Takeuchi Takuya Inoue Kazuhide Higuchi | 2014 | Endoscopy2014，，： | 3 |
| 7 | Anti-apoptotic and neuroprotective effects of edaravone following transient focal ischemia in rats显示文摘 | Shimon Amemiya Tatsushi Kamiya Chikako Nito Toshiki Inaba Kengo Kato Masayuki Ueda Kuniko Shimazaki Yasuo Katayama | 2005 | European Journal of Pharmacology2005，，2： | 2 |
| 8 | Inhibitory ef-fect of glycyrrhizin on experimental pulmonary metast-ssis in inoculated with B16 melanoma显示文摘 | Makiko K Kazuhiko F Tatsushi K | 2002 | Anticancer Research2002，22，： | 1 |
| 9 | A new miniature catheter with side-holes for pereutaneous transradial or transbrachial coronary angiography 显示文摘 | Tatsushi O Taiichiro M Norio E | 2002 | J Invas Cardiol2002，14，7： | 1 |
| 10 | Mild hypothermia enhances efficacy of neuroprotective agents in cerebral ischemia in rats显示文摘 | Tatsushi K Yasuo K | 2003 | International Congress Series2003，1252，3： | 1 |
| 11 | Development of simplified combustion gas temperature measuring method using flame spectroscopic analysis显示文摘 | Nakashima Tatsushi Takehiko Kato Naotaka Shirabe | 2003 | DENSO Technical Review2003，8，2： | 1 |
| 12 | Activation of macrophages by inear ( 1- 3 )- β-D-glucans显示文摘 | Keiko K Tatsushi M SohY | 2002 | J Biol Chem2002，277，36： | 1 |
| 13 | Activation of Macrophages by linear (1 → 3) -β-D-glucans显示文摘 | Keiko K Tatsushi M Soh Y | | 0，，： | 1 |
| 14 | Comparison of postoperative volume status and hemodynamics between surgical clipping and endovascular coiling in patients after subarachnoid hemorrhage显示文摘 | Tatsushi M Ken K Yuka Y | 2014 | Journal of Neurosurgical Anesthesiology2014，27，1： | 1 |
| 15 | Adrenergic regulation of clock gene expression in mouse liver显示文摘 | Hideyuki T Tatsushi M Shun Y | 2003 | Proc Nat Acad Sci USA2003，100，11： | 1 |
| 16 | Glycosylation modulates TRAIL-R1/death receptor 4 protein: differentregulations of two pro-apoptotic receptors for TRAIL by tunicamycin显示文摘 | Tatsushi Yoshida Takumi Shiraishi Mano Horinaka Miki Wakada Toshiyuki Sakai | 2007 | Oncology Reports2007，，5： | 1 |
| 17 | Inhibitory effect of glycyrrhizin on experimental pulmonary metastssis in inoculated with B16 melanoma显示文摘 | Makiko K Kazuhiko F Tatsushi K | 2002 | Anticancer Research2002，22，： | 1 |
| 18 | Single-incision laparoscopic cecectomy for low-grade appendiceal mucinous neoplasm after laparoscopic rectectomy显示文摘In this case report,we discuss single-incision laparoscopic cecectomy for low-grade appendiceal neoplasm after laparoscopic anterior resection for rectal cancer.The optimal surgical therapy for low-grade appendiceal neoplasm is controversial;currently,the options include appendectomy,cecectomy,right hemicolectomy,and open or laparoscopic surgery.Due to the risk of pseudomyxoma peritonei,complete resection without rupture is necessary.We have encountered 5 cases of lowgrade appendiceal neoplasm and all 5 patients had no lymph node metastasis.We chose the appendectomy or cecectomy without lymph node dissection if preoperative imaging studies did not suspect malignancy.In the present case,we performed cecectomy without lymph node dissection by single-incision laparoscopic surgery(SILS),which is reported to be a reduced port surgery associated with decreased invasiveness and patient stress compared with conventional laparoscopic surgery.We are confident that SILS is a feasible alternative to traditional surgical procedures for borderline tumors,such as low-grade appendiceal neoplasms. | Shiki Fujino Norikatsu Miyoshi Shingo Noura Tatsushi Shingai Yasuhiko Tomita Masayuki Ohue Masahiko Yano | 2014 | World Journal of Gastrointestinal Surgery2014，6，5： | 1 |
| 19 | Liver atrophy after percutaneous transhepatic portal embolization occurs in two histological phases: Hepatocellular atrophy followed by apoptosis显示文摘AIM To clarify the histological changes associated with liver atrophy after percutaneous transhepatic portalembolization(PTPE) in pigs and humans. METHODS As a preliminary study, we performed pathological examinations of liver specimens from five pigs that had undergone PTPE in a time-dependent model of liver atrophy. In specimens from embolized lobes(EMB) and nonembolized lobes(controls), we measured the portal vein to central vein distance(PV-CV), the area and number of hepatocytes per lobule, and apoptotic activity using the terminal deoxynucleotidyl transferase dU TP nickend labeling assay. Immunohistochemical reactivities were evaluated for light chain 3(LC3) and lysosomal-associated membrane protein 2(LAMP2) as autophagy markers and for glutamine synthetase and cytochrome P450 2 E1(CYP2 E1) as metabolic zonation markers. Samples from ten human livers taken 20-36 d after PTPE were similarly examined. RESULTS PV-CVs and lobule areas did not differ between EMB and controls at day 0, but were lower in EMB than in controls at weeks 2, 4, and 6(P ≤ 0.001). Hepatocyte numbers were not significantly reduced in EMB at day 0 and week 2 but were reduced at weeks 4 and 6(P ≤ 0.05). Apoptotic activity was higher in EMB than in controls at day 0 and week 4. LC3 and LAMP2 staining peaked in EMB at week 2, with no significant difference between EMB and controls at weeks 4 and 6. Glutamine synthetase and CYP2 E1 zonation in EMB at weeks 2, 4, and 6 were narrower than those in controls. Human results were consistent with those of porcine specimens. CONCLUSION The mechanism of liver atrophy after PTPE has two histological phases: Hepatocellular atrophy is likely caused by autophagy in the first 2 wk and apoptosis thereafter. | Yasuhito Iwao Hidenori Ojima Tatsushi Kobayashi Yoji Kishi Satoshi Nara Minoru Esaki Kazuaki Shimada Nobuyoshi Hiraoka Minoru Tanabe Yae Kanai | 2017 | World Journal of Hepatology2017，9，32： | 1 |
| 20 | Effects of Additives and Oxygen on Extraction Yield with CS2-NMP Mixed Solvent for Argonne Premium Coal Samples显示文摘 | Tatsushi I Toshimasa T Osamu I | 1993 | Fuel1993，72，4： | 1 |
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