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  • 11
    Online Resource
    Online Resource
    Fucosylated glycoconjugates in human dorsal root ganglion cells with unmyelinated axons
    Elsevier BV ; 1991
    In:  Neuroscience Letters Vol. 126, No. 2 ( 1991-05), p. 159-162
    Details
    In: Neuroscience Letters, Elsevier BV, Vol. 126, No. 2 ( 1991-05), p. 159-162
    Type of Medium: Online Resource
    ISSN: 0304-3940
    URL: Article
    DOI: 10.1016/0304-3940(91)90543-3
    Language: English
    Publisher: Elsevier BV
    Publication Date: 1991
    detail.hit.zdb_id: 1498535-4
    SSG: 12
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  • 12
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    Involvement of CD11b/CD18 in enhanced neutrophil adhesion by Fcγ receptor stimulation
    Oxford University Press (OUP) ; 1994
    In:  Journal of Leukocyte Biology Vol. 55, No. 6 ( 1994-06-01), p. 735-742
    Details
    In: Journal of Leukocyte Biology, Oxford University Press (OUP), Vol. 55, No. 6 ( 1994-06-01), p. 735-742
    Abstract: Neutrophils showed a rapid and transient adhesion to immunoglobulin G (IgG)-coated plates compared with their adhesion to bovine serum albumin (BSA)-coated plates: the adhesion reached a peak after 15 min of incubation and then gradually returned to almost the basal state in 60 min. The addition of monomeric IgG or anti-FcγRII monoclonal antibody (mAb) (IV.3) suppressed the increase in adhesion, whereas anti-FcγRIII mAb (3G8) was hardly effective, indicating that the interaction of FcγR, especially FcγRII, with coated IgG is involved in the process. Adhesion was also blocked by cytochalasin B, suggesting that functional actin filament structures are crucial. Protein kinase inhibitors, erbstatin and genistein, inhibited the adhesion in a dose-dependent manner. The adhesion was inhibited by anti-CDllb (Ml/70) and anti-CD18 (MHM23, TS1/18) mAbs. Moreover, neutrophils from a patient with complete leukocyte adhesion deficiency syndrome did not show increased adhesion to IgG-coated plates. The adhesion of neutrophils to fibrinogen- and BSA-coated plates was also increased when FcγR was stimulated in the fluid phase with soluble aggregated IgG, which was also inhibited by anti-CDllb mAb. Stimulation of neutrophil FcγR with soluble aggregated IgG enhanced the expression of CDllb in concert with the enhanced adhesion. These data collectively suggest that stimulation via FcγR evokes a tyrosine kinase-dependent and actin filament-dependent intracellular signal that enhances the specific and nonspecific adhesive activity of neutrophils, presumably through the activation of CDllb/CD18. J. Leukoc. Biol. 55: 735–742; 1994.
    Type of Medium: Online Resource
    ISSN: 0741-5400 , 1938-3673
    URL: Article
    DOI: 10.1002/jlb.55.6.735
    RVK:
    XA 10000
    Language: English
    Publisher: Oxford University Press (OUP)
    Publication Date: 1994
    detail.hit.zdb_id: 2026833-6
    SSG: 12
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  • 13
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    Stromal CXCR4 and CXCL12 Expression is Associated with Distant Recurrence and Poor Prognosis in Rectal Cancer After Chemoradiotherapy
    Springer Science and Business Media LLC ; 2010
    In:  Annals of Surgical Oncology Vol. 17, No. 8 ( 2010-8), p. 2051-2058
    Details
    In: Annals of Surgical Oncology, Springer Science and Business Media LLC, Vol. 17, No. 8 ( 2010-8), p. 2051-2058
    Type of Medium: Online Resource
    ISSN: 1068-9265 , 1534-4681
    URL: Article
    DOI: 10.1245/s10434-010-0970-y
    Language: English
    Publisher: Springer Science and Business Media LLC
    Publication Date: 2010
    detail.hit.zdb_id: 2074021-9
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  • 14
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    In vivo optical pathology of paclitaxel efficacy on the peritoneal metastatic xenografts of gastric cancer using multiphoton microscopy.
    American Society of Clinical Oncology (ASCO) ; 2013
    In:  Journal of Clinical Oncology Vol. 31, No. 15_suppl ( 2013-05-20), p. e22205-e22205
    Details
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 31, No. 15_suppl ( 2013-05-20), p. e22205-e22205
    Abstract: e22205 Background: Peritoneal metastasis shows an extremely poor prognosis in patients with gastric cancer. Clinically, the tumor response to chemotherapeutics depends on anatomical location of metastasis. Metastatic tumor xenografts have been shown to be more resistant to chemotherapy than subcutaneous non-metastatic tumor xenografts in preclinical murine model. We have reported a method of in vivo optical pathology using multiphoton microscopy (MPM) in colorectal liver metastatic tumor xenograft model. Aim: We established a method of time-series in vivo optical pathology of peritoneal metastatic xenografts of gastric cancer using MPM. Then, we imaged and evaluated paclitaxel efficacy in the tumor microenvironment with regard to both tumor cell itself and intravascular change in tumor vessels. Methods: Red fluorescent protein (RFP) expressing human gastric cancer cell line (NUGC4) was inoculated into the peritoneal cavity of green fluorescent protein (GFP) expressing nude mice. Paclitaxel (10 mg/kg) was administered three times a week for more than three weeks. Intravital MPM was performed before and after paclitaxel treatment for the exteriorized peritoneal metastatic lesion in the same living mouse. Results: Four to six weeks later, RFP-NUGC4 cells formed macroscopic peritoneal metastases. Red-colored cancer cells and green-colored surrounding stroma with tumor vessels were clearly imaged at the cellular level (in vivooptical pathology). Their cross-sectional images were obtained from the tissue surface to the area of depth of 200 μm (z-stacks imaging). After paclitaxel treatment, tumor cell fragmentation, condensation, swelling and intracellular vacuoles were observed. Within the tumor vessels, platelet aggregation and platelet adhesion to endothelial cells were observed. Conclusions: In vivo optical pathology using MPM provides histopathological information about three-dimensional tissue microarchitecture without tissue shrinkage by fixation and tissue destruction by microtome-sectioning. Our method may become a powerful tool to evaluate the tumor response to new chemotherapeutics on ‘metastatic site’ in preclinical tumor xenograft model.
    Type of Medium: Online Resource
    ISSN: 0732-183X , 1527-7755
    URL: Article
    DOI: 10.1200/jco.2013.31.15_suppl.e22205
    RVK:
    XA 52760
    RVK:
    XA 10000
    Language: English
    Publisher: American Society of Clinical Oncology (ASCO)
    Publication Date: 2013
    detail.hit.zdb_id: 2005181-5
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  • 15
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    Angiopoietin-like protein 2 as a novel biomarker for diagnosis and prognosis in esophageal cancer.
    American Society of Clinical Oncology (ASCO) ; 2015
    In:  Journal of Clinical Oncology Vol. 33, No. 3_suppl ( 2015-01-20), p. 73-73
    Details
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 33, No. 3_suppl ( 2015-01-20), p. 73-73
    Abstract: 73 Background: Angiopoietin-like protein 2 (ANGPTL2) is a secreted glycoprotein with homology to the angiopoietins and overexpression of ANGPTL2 is known to act as a causative mediator of chronic inflammatory carcinogenesis. Recently, expression in tumor cells which are associated with tumor progression has been recognized in lung, breast, colon and gastric cancer. However, to our knowledge, functional and clinical significance of ANGPTL2 expression has not been investigated in esophageal cancer (EC). Aim: We investigated the functional roles of ANGPTL2 in vitro assay and evaluated the clinical significance of ANGPTL2 expression in both primary tumor and matched serum in patients with EC. Materials and Methods: First, in vitro assays were performed for functional analysis of ANGPTL2 using small interfering RNA (siRNA). Next, ANGPTL2 expression in EC tissues was evaluated by immunohistochemically (IHC) in 71 EC patients. Finally, we investigated serum ANGPLT2 levels from EC patients (n=71) and healthy controls (n=35) by ELISA. Results: Knockdown of ANGPTL2 expression decreased proliferative, invasive and migrated capacity in EC cell lines. ANGPTL2 expression in EC tissues was significantly elevated in EC patients with high T stage, squamous cell carcinoma, and high TNM stage. Kaplan–Meier analysis showed that patients with high expression of ANGPTL2 had significantly poorer overall (p 〈 0.01) and disease-free survival (p 〈 0.01) than those with low expression, respectively. Furthermore, multivariate analysis revealed that high ANGPTL2 expression in EC tissues was an independent predictive marker for poor prognosis (HR: 2.30, p=0.04). On the other hands, serum ANGPTL2 levels in EC patients was significantly elevated compared to healthy controls (p 〈 0.001), and it can discriminate EC patients from healthy controls with high accuracy (AUC=0.913). However, no significant association between serum ANGPTL2 levels and clinicopathological findings were recognized in EC patients. Conclusions: We have demonstrated several novel evidences for biological and clinical significance of ANGPTL2 in EC. This study indicates ANGPTL2 had the potential to be useful as a biomarker in EC.
    Type of Medium: Online Resource
    ISSN: 0732-183X , 1527-7755
    URL: Article
    DOI: 10.1200/jco.2015.33.3_suppl.73
    RVK:
    XA 52760
    RVK:
    XA 10000
    Language: English
    Publisher: American Society of Clinical Oncology (ASCO)
    Publication Date: 2015
    detail.hit.zdb_id: 2005181-5
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  • 16
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    In vivo real-time imaging of tumor microcirculatory alterations in colorectal liver metastatic xenografts by chemotherapy using multiphoton microscopy.
    American Society of Clinical Oncology (ASCO) ; 2012
    In:  Journal of Clinical Oncology Vol. 30, No. 15_suppl ( 2012-05-20), p. e21053-e21053
    Details
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 30, No. 15_suppl ( 2012-05-20), p. e21053-e21053
    Abstract: e21053 Background: Tumor endothelium is a distinct target for anticancer treatments of metastatic colorectal cancer. Various chemotherapeutics themselves have anti-angiogenic effects on tumor microenvironment by targeting proliferative endothelial cells during tumor angiogenesis. In this study, we imaged the dynamics of tumor microcirculation of colorectal liver metastasis in living mice in vivo real-time using two-photon laser scanning microscopy (TPLSM), and evaluated the microcirculatory alterations in tumor microenvironment by chemotherapy. Methods: Red fluorescent protein expressing human colorectal cancer cell line (HT29) was inoculated to the spleen of green fluorescent protein expressing nude mice. 5-fluorouracil or irinotecan was administered three times a week for more than three weeks for metronomic scheduling. Intravital TPLSM was performed at multiple time points for time-series imaging of liver metastatic xenografts in the same mice. The alterations in tumor microcirculation during chemotherapy was evaluated by measuring blood flows at tumor vessels of colorectal liver metastasis and hepatic sinusoids of adjacent normal liver. Results: At the first TPLSM imaging, the blood flow, as determined from the movement of platelets, was heterogeneous and non-directional in the tumor vessels of liver metastatic xenografts. The blood flow was relatively slower in tumor vessels than normal hepatic sinusoids. At the second TPLSM imaging after chemotherapy, platelet aggregation was observed in tumor vessels of the same mice. Aggregated platelets were frequently adhered to the tumor endothelium, suggesting tumor vessel damage or intratumoral coagulation abnormality by chemotherapy. There was no difference in chemotherapeutics with regard to these findings. Conclusions: Intravital TPLSM imaging of tumor microcirculation at metastatic tumor xenografts is a useful tool to evaluate anti-angiogenic drugs in preclinical models.
    Type of Medium: Online Resource
    ISSN: 0732-183X , 1527-7755
    URL: Article
    DOI: 10.1200/jco.2012.30.15_suppl.e21053
    RVK:
    XA 52760
    RVK:
    XA 10000
    Language: English
    Publisher: American Society of Clinical Oncology (ASCO)
    Publication Date: 2012
    detail.hit.zdb_id: 2005181-5
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  • 17
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    Preoperative prediction of peritoneal metastasis in gastric cancer as an indicator for neoadjuvant treatment.
    American Society of Clinical Oncology (ASCO) ; 2016
    In:  Journal of Clinical Oncology Vol. 34, No. 4_suppl ( 2016-02-01), p. 14-14
    Details
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 34, No. 4_suppl ( 2016-02-01), p. 14-14
    Abstract: 14 Background: Although Gastric cancer (GC) mortality has been reduced by advances in new treatments and in chemotherapy, it still has a poor prognosis and high mortality. One of the reasons for poor prognosis is that at the time of diagnosis advanced GC with metastatic disease is often detected and it is frequently accompanied by peritoneal metastasis. Imaging studies are frequently used to predict peritoneal metastasis, however, these modalities did not obtain consistently high sensitivity and specificity in assessing peritoneal metastasis. Therefore, we investigated whether the combination of several serum markers and clinical factors could be used for preoperative prediction of peritoneal metastasis in GC as an indicator for neoadjuvant treatment. Methods: A total of 493 patients with GC were enrolled in our Hospital. Preoperative serum tumor markers [carcinoembryonic antigen (CEA) and carbohydrate antigen (CA)19-9], systemic inflammatory marker C-reactive protein (CRP), host immune markers [neutrophil and lymphocyte counts and their ratio (NLR)] , albumin as a nutritional marker, and objective preoperative clinical factors were available as indicators of postoperative peritoneal metastasis. Results: This study included a total of 344 men and 149 women who were classified according to UICC TNM Classification: 264 patients had stage I disease, 79 stage II, 78 stage III and 72 stage IV. Specific clinical factors, including tumor size, histopathology of biopsy sample, and tumor morphology, were significantly correlated with peritoneal metastasis. CA19-9, lymphocyte count and NLR were also predictive factors for peritoneal metastasis. Multivariate analysis identified the clinical factors tumor morphology and histopathology, and laboratory markers CA19-9 and lymphocyte count as independent factors predictive for peritoneal metastasis. Next, a combination of independent predictive factors achieved high predictive accuracy (0.882) for peritoneal metastasis preoperatively. Conclusions: A combination of preoperative tumor features and serum parameters is an alternative method to preoperatively discriminate patients with GC with peritoneal metastasis from those without.
    Type of Medium: Online Resource
    ISSN: 0732-183X , 1527-7755
    URL: Article
    DOI: 10.1200/jco.2016.34.4_suppl.14
    RVK:
    XA 52760
    RVK:
    XA 10000
    Language: English
    Publisher: American Society of Clinical Oncology (ASCO)
    Publication Date: 2016
    detail.hit.zdb_id: 2005181-5
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  • 18
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    Serum angiopoietin-like protein 2 as a novel biomarker of diagnosis and prognosis in gastric cancer.
    American Society of Clinical Oncology (ASCO) ; 2014
    In:  Journal of Clinical Oncology Vol. 32, No. 3_suppl ( 2014-01-20), p. 9-9
    Details
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 32, No. 3_suppl ( 2014-01-20), p. 9-9
    Abstract: 9 Background: Angiopoietin-like protein 2 (ANGPTL2) is a secreted glycoprotein with homology to the angiopoietins and is known to act as a causative mediator of chronic inflammation and inflammatory carcinogenesis. Recently, we demonstrated that ANGPTL2 overexpresses in gastric cancer (GC) compared to normal gastric mucosa and high ANGPTL2 is associated with poor prognosis. Therefore, if tumor-derived ANGPTL2 over-secretes systemically, focusing ANGPTL2 in blood is logical to evaluate its ability as a biomarker. Accordingly, we quantified serum ANGPTL2 level and assessed its clinical significance in GC patients. Methods: We screened serum ANGPTL2 levels from 32 GC and 24 normal controls (NC) by ELISA (cohort 1). Next, we validated 194 serum samples from GC and 48 NC (cohort 2). Finally, we examined ANGPL2 expression in matched GC tissues of cohort 2 (n=194) by immunohistochemistry (IHC). The IHC score of ANGPTL2 was determined on the basis of both staining intensity and the percentage of positive cells. Results: In cohort 1,serum ANGPTL2 levels in GC were significantly higher than that in NC (p 〈 0.05). Serum ANGPTL2 differentiated GC from NC with high accuracy (AUC=0.814). Analysis of cohort 2 also indicated that serum ANGPTL2 levels in GC were significantly higher compared to NC (p 〈 0.0001), and increased according to UICC stage progression. In addition, serum ANGPTL2 had a promising AUC (0.831) with high sensitivity (73.0%) and specificity(82.2%) to distinguish GC from NC. High serum ANGPTL2 was significantly associated with lymphatic invasion (p=0.03), vessel invasion (p=0.02), distant metastases (p=0.0002), early recurrence (p=0.004) and poor survival (p=0.01), consequently emerged as an independent predicting recurrence marker (HR=5.06, p=0.0004) and prognostic marker (HR=3.6, p=0.01) in GC. Of interest, ANGPTL2 levels in serum from GC patients closely correlated with IHC scores of cytoplasmic ANGPTL2 at the invasive margin of matched GC tissues (r= 0.16, p=0.02). Conclusions: Serum ANGPTL2 levels, which might be secreted from primary or metastatic site into blood stream, have extremely strong potential as a novel biomarker for diagnosis, predicting recurrence and poor prognosis in GC patients.
    Type of Medium: Online Resource
    ISSN: 0732-183X , 1527-7755
    URL: Article
    DOI: 10.1200/jco.2014.32.3_suppl.9
    RVK:
    XA 52760
    RVK:
    XA 10000
    Language: English
    Publisher: American Society of Clinical Oncology (ASCO)
    Publication Date: 2014
    detail.hit.zdb_id: 2005181-5
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  • 19
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    Prognostic impact of preoperative albumin to globulin ratio in curative colon cancer patients.
    American Society of Clinical Oncology (ASCO) ; 2017
    In:  Journal of Clinical Oncology Vol. 35, No. 4_suppl ( 2017-02-01), p. 647-647
    Details
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 35, No. 4_suppl ( 2017-02-01), p. 647-647
    Abstract: 647 Background: Albumin to globulin ratio (AGR) has been reported to predict long term mortality in patients with several cancers. However, prognostic impact of preoperative AGR in colon cancer patients with curative intent has not yet been fully addressed. Therefore, we, for the first time, investigated the association between AGR and clinico-pathological findings including overall survival (OS) and disease free survival (DFS) in stage I-III colon cancer patients. Methods: Clinicopathological findings including preoperative laboratory data (carcinoembryonic antigen [CEA] and AGR) from 251 curative colon cancer patients were assessed as indicators of early recurrence and poor prognosis in this retrospective study. AGR was calculated as [AGR = albumin/ (total protein - albumin)] . The cut-off value of AGR was 1.32 in current study. Results: Several clinicopathological categories related with tumor progression such as lymph node metastasis, T4 tumor, large tumor size, undifferentiated tumor, venous and lymphatic invasion, and high CEA were significantly associated with low AGR level. The patients with low AGR were significantly poorer OS (P = 0.001) and DFS (P = 0.003) than those with high AGR, respectively. In addition, multivariate analyses demonstrated that low AGR was independently associated with early recurrence (HR = 2.87, P = 0.007) and poor prognosis (HR = 2.56, P = 0.008), respectively. On the other hand, sub analysis of survival curves revealed that stage III colon cancer patients with low AGR were significantly poorer OS (P = 0.007) and DFS (P = 0.02) than those with high AGR, respectively. Furthermore, significantly poorer OS and DFS were also shown in stage I-II colon cancer patients with low AGR, respectively (OS: P = 0.02, DFS: P = 0.01). Conclusions: Preoperative AGR was an independent predictor of early recurrence and poor prognosis in curative colon cancer patients. AGR may represent a simple, potentially useful predictive biomarker for selecting stage I-II colon cancer patients who might need adjuvant chemotherapy. Furthermore, AGR may select candidates who are better to introduce more intensive adjuvant chemotherapy after curative operation in stage III colon cancer patients.
    Type of Medium: Online Resource
    ISSN: 0732-183X , 1527-7755
    URL: Article
    DOI: 10.1200/JCO.2017.35.4_suppl.647
    RVK:
    XA 52760
    RVK:
    XA 10000
    Language: English
    Publisher: American Society of Clinical Oncology (ASCO)
    Publication Date: 2017
    detail.hit.zdb_id: 2005181-5
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  • 20
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    111 Angiopoietin-Like Protein 2 Is a Novel Serum Biomarker of Diagnosis and Prognosis in Patients With Gastrointestinal Cancer
    Elsevier BV ; 2014
    In:  Gastroenterology Vol. 146, No. 5 ( 2014-05), p. S-30-S-31
    Details
    In: Gastroenterology, Elsevier BV, Vol. 146, No. 5 ( 2014-05), p. S-30-S-31
    Type of Medium: Online Resource
    ISSN: 0016-5085
    URL: Article
    DOI: 10.1016/S0016-5085(14)60106-2
    RVK:
    XA 44500
    Language: English
    Publisher: Elsevier BV
    Publication Date: 2014
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