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Żurowska A, Pęksa R, Bieńkowski M, Skrobisz K, Sowa M, Matuszewski M, Biernat W, Szurowska E. Prostate Cancer and Its Mimics-A Pictorial Review. Cancers (Basel) 2023; 15:3682. [PMID: 37509343 PMCID: PMC10378330 DOI: 10.3390/cancers15143682] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Revised: 06/24/2023] [Accepted: 07/14/2023] [Indexed: 07/30/2023] Open
Abstract
BACKGROUND Multiparametric prostate MRI (mpMRI) is gaining wider recommendations for diagnosing and following up on prostate cancer. However, despite the high accuracy of mpMRI, false positive and false negative results are reported. Some of these may be related to normal anatomic structures, benign lesions that may mimic cancer, or poor-quality images that hamper interpretation. The aim of this review is to discuss common potential pitfalls in the interpretation of mpMRI. METHODS mpMRI of the prostates was performed on 3T MRI scanners (Philips Achieva or Siemens Magnetom Vida) according to European Society of Urogenital Radiology (ESUR) guidelines and technical requirements. RESULTS This pictorial review discusses normal anatomical structures such as the anterior fibromuscular stroma, periprostatic venous plexus, central zone, and benign conditions such as benign prostate hyperplasia (BPH), post-biopsy hemorrhage, prostatitis, and abscess that may imitate prostate cancer, as well as the appearance of prostate cancer occurring in these locations. Furthermore, suggestions on how to avoid these pitfalls are provided, and the impact of image quality is also discussed. CONCLUSIONS In an era of accelerating prostate mpMRI and high demand for high-quality interpretation of the scans, radiologists should be aware of these potential pitfalls to improve their diagnostic accuracy.
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Affiliation(s)
- Anna Żurowska
- Second Department of Radiology, Medical University of Gdańsk, 80-214 Gdańsk, Poland
| | - Rafał Pęksa
- Department of Pathomorphology, Medical University of Gdańsk, 80-214 Gdańsk, Poland
| | - Michał Bieńkowski
- Department of Pathomorphology, Medical University of Gdańsk, 80-214 Gdańsk, Poland
| | - Katarzyna Skrobisz
- Department of Radiology, Medical University of Gdańsk, 80-214 Gdańsk, Poland
| | - Marek Sowa
- Department of Urology, Medical University of Gdańsk, 80-214 Gdańsk, Poland
| | - Marcin Matuszewski
- Department of Urology, Medical University of Gdańsk, 80-214 Gdańsk, Poland
| | - Wojciech Biernat
- Department of Pathomorphology, Medical University of Gdańsk, 80-214 Gdańsk, Poland
| | - Edyta Szurowska
- Second Department of Radiology, Medical University of Gdańsk, 80-214 Gdańsk, Poland
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Nastały P, Popęda M, Smentoch J, Dzianach W, Żaczek A, Eltze E, Semjonow A, Sowa M, Miszewski K, Matuszewski M, Bednarz-Knoll N. Dissecting EGFR-AR interplay in prostate cancer progression. EUR UROL SUPPL 2022. [DOI: 10.1016/s2666-1683(22)01928-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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3
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Nastały P, Smentoch J, Popęda M, Martini E, Maiuri P, Żaczek AJ, Sowa M, Matuszewski M, Szade J, Kalinowski L, Niemira M, Brandt B, Eltze E, Semjonow A, Bednarz-Knoll N. Low Tumor-to-Stroma Ratio Reflects Protective Role of Stroma against Prostate Cancer Progression. J Pers Med 2021; 11:1088. [PMID: 34834440 PMCID: PMC8622253 DOI: 10.3390/jpm11111088] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2021] [Revised: 10/21/2021] [Accepted: 10/23/2021] [Indexed: 12/09/2022] Open
Abstract
Tumor-to-stroma ratio (TSR) is a prognostic factor that expresses the relative amounts of tumor and intratumoral stroma. In this study, its clinical and molecular relevance was evaluated in prostate cancer (PCa). The feasibility of automated quantification was tested in digital scans of tissue microarrays containing 128 primary tumors from 72 PCa patients stained immunohistochemically for epithelial cell adhesion molecule (EpCAM), followed by validation in a cohort of 310 primary tumors from 209 PCa patients. In order to investigate the gene expression differences between tumors with low and high TSR, we applied multigene expression analysis (nCounter® PanCancer Progression Panel, NanoString) of 42 tissue samples. TSR scores were categorized into low (<1 TSR) and high (≥1 TSR). In the pilot cohort, 31 patients (43.1%) were categorized as low and 41 (56.9%) as high TSR score, whereas 48 (23.0%) patients from the validation cohort were classified as low TSR and 161 (77.0%) as high. In both cohorts, high TSR appeared to indicate the shorter time to biochemical recurrence in PCa patients (Log-rank test, p = 0.04 and p = 0.01 for the pilot and validation cohort, respectively). Additionally, in the multivariate analysis of the validation cohort, TSR predicted BR independent of other factors, i.e., pT, pN, and age (p = 0.04, HR 2.75, 95%CI 1.07-7.03). Our data revealed that tumors categorized into low and high TSR score show differential expression of various genes; the genes upregulated in tumors with low TSR score were mostly associated with extracellular matrix and cell adhesion regulation. Taken together, this study shows that high stroma content can play a protective role in PCa. Automatic EpCAM-based quantification of TSR might improve prognostication in personalized medicine for PCa.
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Affiliation(s)
- Paulina Nastały
- Laboratory of Translational Oncology, Medical University of Gdańsk, 80-210 Gdańsk, Poland; (P.N.); (J.S.); (M.P.); (A.J.Ż.)
- FIRC (Italian Foundation for Cancer Research), Institute of Molecular Oncology (IFOM), 20139 Milan, Italy; (E.M.); (P.M.)
| | - Julia Smentoch
- Laboratory of Translational Oncology, Medical University of Gdańsk, 80-210 Gdańsk, Poland; (P.N.); (J.S.); (M.P.); (A.J.Ż.)
| | - Marta Popęda
- Laboratory of Translational Oncology, Medical University of Gdańsk, 80-210 Gdańsk, Poland; (P.N.); (J.S.); (M.P.); (A.J.Ż.)
| | - Emanuele Martini
- FIRC (Italian Foundation for Cancer Research), Institute of Molecular Oncology (IFOM), 20139 Milan, Italy; (E.M.); (P.M.)
| | - Paolo Maiuri
- FIRC (Italian Foundation for Cancer Research), Institute of Molecular Oncology (IFOM), 20139 Milan, Italy; (E.M.); (P.M.)
| | - Anna J. Żaczek
- Laboratory of Translational Oncology, Medical University of Gdańsk, 80-210 Gdańsk, Poland; (P.N.); (J.S.); (M.P.); (A.J.Ż.)
| | - Marek Sowa
- Department of Urology, Medical University of Gdańsk, 80-214 Gdańsk, Poland; (M.S.); (M.M.)
| | - Marcin Matuszewski
- Department of Urology, Medical University of Gdańsk, 80-214 Gdańsk, Poland; (M.S.); (M.M.)
| | - Jolanta Szade
- Department of Pathomorphology, Medical University of Gdańsk, 80-214 Gdańsk, Poland;
| | - Leszek Kalinowski
- Department of Medical Laboratory Diagnostics-Biobank, Medical University of Gdańsk, 80-210 Gdańsk, Poland;
- Biobanking and Biomolecular Resources Research Infrastructure (BBMRI.pl), 80-214 Gdańsk, Poland
| | - Magdalena Niemira
- Clinical Research Centre, Medical University of Bialystok, 15-276 Bialystok, Poland;
| | - Burkhard Brandt
- Institute of Clinical Chemistry, University Medical Centre Schleswig-Holstein, 24105 Kiel, Germany;
| | - Elke Eltze
- Institute of Pathology Saarbruecken-Rastpfuhl, 66113 Saarbruecken, Germany;
| | - Axel Semjonow
- Department of Urology, Prostate Center, University Clinic Münster, 48149 Münster, Germany;
| | - Natalia Bednarz-Knoll
- Laboratory of Translational Oncology, Medical University of Gdańsk, 80-210 Gdańsk, Poland; (P.N.); (J.S.); (M.P.); (A.J.Ż.)
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Pęksa R, Kunc M, Popęda M, Piątek M, Bieńkowski M, Żok J, Starzyńska A, Perdyan A, Sowa M, Duchnowska R, Biernat W. Combined Assessment of Immune Checkpoint Regulator VISTA on Tumor-Associated Immune Cells and Platelet-to-Lymphocyte Ratio Identifies Advanced Germ Cell Tumors with Higher Risk of Unfavorable Outcomes. Cancers (Basel) 2021; 13:cancers13081750. [PMID: 33916925 PMCID: PMC8067539 DOI: 10.3390/cancers13081750] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2021] [Revised: 03/16/2021] [Accepted: 04/02/2021] [Indexed: 01/15/2023] Open
Abstract
Simple Summary Testicular germ cell tumors (GCTs) are the most common malignancies in young males. The current treatment regimens are usually highly effective and curative. Nevertheless, a portion of patients presents with recurrence or succumbs due to the disease. There is an undoubtful necessity to investigate new prognostic markers to stratify the risk of such events. The current study aimed to evaluate the prognostic significance of markers of the tumor microenvironment and systemic inflammation markers in GCTs. We found that low expression of immune checkpoint proteins VISTA (V-domain Ig suppressor of T cell activation) and PD-L1 (programmed death-ligand 1) on tumor-associated immune cells and elevated inflammatory marker platelet-to-lymphocyte ratio are associated with a higher risk of events in testicular GCTs. It indicates a role of both local anti-tumor immune response and systemic inflammation in these tumors. Abstract In the current study, we aimed to investigate whether expression of immune checkpoint proteins (V-domain Ig suppressor of T cell activation (VISTA) and programmed death-ligand 1 (PD-L1)) and markers of systemic inflammation could predict progression/relapse and death in the cohort of 180 patients with testicular germ-cell tumors (GCTs). Expression of PD-L1 and VISTA was assessed by immunohistochemistry utilizing tissue microarrays. To estimate systemic inflammation neutrophil-to-lymphocyte ratio (NLR), lymphocyte-to-monocyte ratio (LMR), and platelet-to-lymphocyte ratio (PLR) were calculated. We found high PD-L1 and VISTA expression on tumor-associated immune cells (TAICs) in 89 (49.44%) and 63 (37.22%) of GCTs, respectively, whereas tumor cells besides trophoblastic elements were almost uniformly negative. High PD-L1 was associated with seminomatous histology and lower stage. Relapses in stage I patients occurred predominantly in cases with low numbers of PD-L1 and VISTA-expressing TAICs. In stage II/III disease, the combination of low VISTA-expressing TAICs and high PLR was identified as predictor of shorter event-free survival (HR 4.10; 1.48–11.36, p = 0.006) and overall survival (HR 15.56, 95% CI 1.78–135.51, p = 0.001) independently of tumor histology and location of metastases. We demonstrated that the assessment of immune checkpoint proteins on TAICs may serve as a valuable prognostic factor in patients with high-risk testicular GCTs. Further study is warranted to explore the predictive utility of these biomarkers in GCTs.
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Affiliation(s)
- Rafał Pęksa
- Department of Pathomorphology, Medical University of Gdansk, 80214 Gdansk, Poland; (M.K.); (M.B.); (W.B.)
- Correspondence: ; Tel.: +48-58-349-3750
| | - Michał Kunc
- Department of Pathomorphology, Medical University of Gdansk, 80214 Gdansk, Poland; (M.K.); (M.B.); (W.B.)
| | - Marta Popęda
- Laboratory of Translational Oncology, Intercollegiate Faculty of Biotechnology, Medical University of Gdansk, 80211 Gdansk, Poland;
| | - Michał Piątek
- Department of Clinical Oncology/Chemotherapy, St Barbara Regional Specialist Hospital No 5, 41200 Sosnowiec, Poland;
| | - Michał Bieńkowski
- Department of Pathomorphology, Medical University of Gdansk, 80214 Gdansk, Poland; (M.K.); (M.B.); (W.B.)
| | - Jolanta Żok
- Department of Oncology, Regional Oncology Center in Gdansk, 80219 Gdansk, Poland;
| | - Anna Starzyńska
- Department of Oral Surgery, Medical University of Gdansk, 80211 Gdansk, Poland;
| | - Adrian Perdyan
- Student Scientific Circle of Pathomorphology, Medical University of Gdansk, 80214 Gdansk, Poland;
| | - Marek Sowa
- Department of Urology, Medical University of Gdansk, 80214 Gdansk, Poland;
| | - Renata Duchnowska
- Department of Oncology, Military Institute in Warsaw, 01755 Warsaw, Poland;
| | - Wojciech Biernat
- Department of Pathomorphology, Medical University of Gdansk, 80214 Gdansk, Poland; (M.K.); (M.B.); (W.B.)
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Van Calcar SC, Sowa M, Rohr F, Beazer J, Setlock T, Weihe TU, Pendyal S, Wallace LS, Hansen JG, Stembridge A, Splett P, Singh RH. Nutrition management guideline for very-long chain acyl-CoA dehydrogenase deficiency (VLCAD): An evidence- and consensus-based approach. Mol Genet Metab 2020; 131:23-37. [PMID: 33093005 DOI: 10.1016/j.ymgme.2020.10.001] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/10/2020] [Revised: 08/31/2020] [Accepted: 10/02/2020] [Indexed: 12/18/2022]
Abstract
The nutrition management guideline for very-long chain acyl-CoA dehydrogenase deficiency (VLCAD) is the fourth in a series of web-based guidelines focusing on the diet treatment for inherited metabolic disorders and follows previous publication of guidelines for maple syrup urine disease (2014), phenylketonuria (2016) and propionic acidemia (2019). The purpose of this guideline is to establish harmonization in the treatment and monitoring of individuals with VLCAD of all ages in order to improve clinical outcomes. Six research questions were identified to support guideline development on: nutrition recommendations for the healthy individual, illness management, supplementation, monitoring, physical activity and management during pregnancy. This report describes the methodology used in its development including review, critical appraisal and abstraction of peer-reviewed studies and unpublished practice literature; expert input through two Delphi surveys and a nominal group process; and external review from metabolic physicians and dietitians. It includes the summary statements of the nutrition management recommendations for each research question, followed by a standardized rating based on the strength of the evidence. Online, open access of the full published guideline allows utilization by health care providers, researchers and collaborators who advise, advocate and care for individuals with VLCAD and their families and can be accessed from the Genetic Metabolic Dietitians International (https://GMDI.org) and Southeast Regional Genetics Network (https://southeastgenetics.org/ngp) websites.
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Affiliation(s)
| | - M Sowa
- CHOC Children's, Orange, CA, USA
| | - F Rohr
- Met Ed Co, Boulder, CO, USA; Children's Hospital of Boston, Boston, MA, USA
| | - J Beazer
- National PKU News, How Much Phe, LLC, Helena, MT, USA
| | - T Setlock
- Shodair Children's Hospital, Helena, MT, USA
| | - T U Weihe
- Children's Mercy, Kansas City, MO, USA
| | - S Pendyal
- Duke University Health System, Durham, NC, USA
| | - L S Wallace
- University of Tennessee Health Science Center, Memphis, TN, USA
| | - J G Hansen
- Oregon Health & Science University, Portland, OR, USA
| | | | - P Splett
- University of Minnesota, St. Paul, MN, USA
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Abdenur JE, Sowa M, Simon M, Steenari M, Skaar J, Eftekharian S, Chang R, Ferdinandusse S, Pitt J. Medical nutrition therapy in patients with HIBCH and ECHS1 defects: Clinical and biochemical response to low valine diet. Mol Genet Metab Rep 2020; 24:100617. [PMID: 32642440 PMCID: PMC7334802 DOI: 10.1016/j.ymgmr.2020.100617] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Revised: 06/13/2020] [Accepted: 06/14/2020] [Indexed: 01/30/2023] Open
Affiliation(s)
- J E Abdenur
- Division of Metabolic Disorders, CHOC Children's, Orange, CA, USA.,Department of Pediatrics, University of California Irvine, Orange, CA. USA
| | - M Sowa
- Division of Metabolic Disorders, CHOC Children's, Orange, CA, USA
| | - M Simon
- Division of Metabolic Disorders, CHOC Children's, Orange, CA, USA
| | - M Steenari
- Division of Neurology, CHOC Children's. Orange, CA, USA.,Department of Pediatrics, University of California Irvine, Orange, CA. USA
| | - J Skaar
- Division of Metabolic Disorders, CHOC Children's, Orange, CA, USA
| | - S Eftekharian
- Division of Metabolic Disorders, CHOC Children's, Orange, CA, USA
| | - R Chang
- Division of Metabolic Disorders, CHOC Children's, Orange, CA, USA.,Department of Pediatrics, University of California Irvine, Orange, CA. USA
| | - S Ferdinandusse
- Departments of Clinical Chemistry and Pediatrics, Laboratory Genetic Metabolic Diseases, Amsterdam, the Netherlands
| | - J Pitt
- Victorian Clinical Genetics Services, Murdoch Children's Research Institute, Melbourne, AU, Australia
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Geißler D, Wegmann M, Jochum T, Somma V, Sowa M, Scholz J, Fröhlich E, Hoffmann K, Niehaus J, Roggenbuck D, Resch-Genger U. An automatable platform for genotoxicity testing of nanomaterials based on the fluorometric γ-H2AX assay reveals no genotoxicity of properly surface-shielded cadmium-based quantum dots. Nanoscale 2019; 11:13458-13468. [PMID: 31287475 DOI: 10.1039/c9nr01021a] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
The large number of nanomaterial-based applications emerging in the materials and life sciences and the foreseeable increasing use of these materials require methods that evaluate and characterize the toxic potential of these nanomaterials to keep safety risks to people and environment as low as possible. As nanomaterial toxicity is influenced by a variety of parameters like size, shape, chemical composition, and surface chemistry, high throughput screening (HTS) platforms are recommended for assessing cytotoxicity. Such platforms are not yet available for genotoxicity testing. Here, we present first results obtained for application-relevant nanomaterials using an automatable genotoxicity platform that relies on the quantification of the phosphorylated histone H2AX (γ-H2AX) for detecting DNA double strand breaks (DSBs) and the automated microscope system AKLIDES® for measuring integral fluorescence intensities at different excitation wavelengths. This platform is used to test the genotoxic potential of 30 nm-sized citrate-stabilized gold nanoparticles (Au-NPs) as well as micellar encapsulated iron oxide nanoparticles (FeOx-NPs) and different cadmium (Cd)-based semiconductor quantum dots (QDs), thereby also searching for positive and negative controls as reference materials. In addition, the influence of the QD shell composition on the genotoxic potential of these Cd-based QDs was studied, using CdSe cores as well as CdSe/CdS core/shell and CdSe/CdS/ZnS core/shell/shell QDs. Our results clearly revealed the genotoxicity of the Au-NPs and its absence in the FeOx-NPs. The genotoxicity of the Cd-QDs correlates with the shielding of their Cd-containing core, with the core/shell/shell architecture preventing genotoxicity risks. The fact that none of these nanomaterials showed cytotoxicity at the chosen particle concentrations in a conventional cell viability assay underlines the importance of genotoxicity studies to assess the hazardous potential of nanomaterials.
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Affiliation(s)
- D Geißler
- Bundesanstalt für Materialforschung und -prüfung (BAM), Division 1.2 Biophotonics, Richard-Willstätter-Str. 11, 12489 Berlin, Germany.
| | - M Wegmann
- Bundesanstalt für Materialforschung und -prüfung (BAM), Division 1.2 Biophotonics, Richard-Willstätter-Str. 11, 12489 Berlin, Germany. and MEDIPAN GmbH, Ludwig-Erhard-Ring 3, 15827 Dahlewitz, Germany
| | - T Jochum
- Fraunhofer-Zentrum für Angewandte Nanotechnologie CAN, Grindelallee 117, 20146 Hamburg, Germany
| | - V Somma
- MEDIPAN GmbH, Ludwig-Erhard-Ring 3, 15827 Dahlewitz, Germany
| | - M Sowa
- MEDIPAN GmbH, Ludwig-Erhard-Ring 3, 15827 Dahlewitz, Germany
| | - J Scholz
- MEDIPAN GmbH, Ludwig-Erhard-Ring 3, 15827 Dahlewitz, Germany
| | - E Fröhlich
- Medizinische Universität Graz, Zentrum für Medizinische Forschung (ZMF), Stiftingtalstrasse 24, 8010 Graz, Austria
| | - K Hoffmann
- Bundesanstalt für Materialforschung und -prüfung (BAM), Division 1.2 Biophotonics, Richard-Willstätter-Str. 11, 12489 Berlin, Germany.
| | - J Niehaus
- Medizinische Universität Graz, Zentrum für Medizinische Forschung (ZMF), Stiftingtalstrasse 24, 8010 Graz, Austria
| | - D Roggenbuck
- MEDIPAN GmbH, Ludwig-Erhard-Ring 3, 15827 Dahlewitz, Germany and Institute of Biotechnology, Faculty Environment and Natural Sciences, Brandenburg University of Technology, Germany
| | - U Resch-Genger
- Bundesanstalt für Materialforschung und -prüfung (BAM), Division 1.2 Biophotonics, Richard-Willstätter-Str. 11, 12489 Berlin, Germany.
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Nowikiewicz T, Zegarski W, Pagacz K, Nowacki M, Morawiec-Sztandera A, Glowacka-Mrotek I, Sowa M, Biedka M, Kolacinska A. The current application of ACOSOG Z0011 trial results: Is further implementation of sentinel lymph node intra-operative histopathological examination mandatory in breast cancer patients - a single-centre analysis. Neoplasma 2019; 65:449-454. [PMID: 29788732 DOI: 10.4149/neo_2018_170321n202] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2017] [Accepted: 08/16/2017] [Indexed: 11/08/2022]
Abstract
The main objective of the ACOSOG Z0011 trial was to determine the impact of abandoning complete axillary lymph node dissection (ALND) on survival of breast cancer patients with sentinel node lymph (SLN) metastasis in whom breast conserving therapy (BCT) had been performed. The aim of our study was to assess the clinical value of intra-operative histopathological examination of SLN. Our study comprised 1284 invasive breast cancer patients in whom sentinel lymph node biopsy (SLNB) was carried out. SLN intra-operative histopathological assessment was routinely performed in patients treated within the first period (07.2013-06.2014). However, the decision regarding intra-operative assessment was made by the surgeon for the patients who underwent this evaluation in the later period 07.2014-06.2015 and were submitted for BCT. BCT was performed in 72.4% of patients. In total, 316 patients (24.6%) developed SLN-metastasis. Within the period 07.2014-06.2015, SLN intra-operative microscopic evaluation was performed in 20.8% of patients submitted for BCT. ALND was omitted in 27.5% of patients demonstrating SLN metastasis, in comparison with 15.5% of the group from the previous period (p=0.0094). The proportion of patients demonstrating macrometastasis in SLN who received conservative treatment to the axilla increased from 5.4% to 23.1% (p=0.0007). The choice of SLN final histopathological assessment may allow for deferral of decision on more extensive surgery of the axilla in patients submitted for SLNB. The omission of routinely-performed SLN intra-operative histopathological evaluation has led to a statistically significant increase in the proportion of patients in whom complete ALND was avoided.
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Affiliation(s)
- T Nowikiewicz
- Department of Clinical Breast Cancer and Reconstructive Surgery, Oncology Center, Prof Lukaszczyk Memorial Hospital, Bydgoszcz, Poland.,Department of Surgical Oncology, Ludwik Rydygier Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, Bydgoszcz, Poland
| | - W Zegarski
- Department of Surgical Oncology, Ludwik Rydygier Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, Bydgoszcz, Poland
| | - K Pagacz
- Department of Biostatistics and Translational Medicine, Medical University of Lodz, Lodz, Poland
| | - M Nowacki
- Department of Surgical Oncology, Ludwik Rydygier Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, Bydgoszcz, Poland
| | - A Morawiec-Sztandera
- Department of Head and Neck Cancer Surgery and Surgical Oncology, Medical University of Lodz, Lodz, Poland
| | - I Glowacka-Mrotek
- Department of Rehabilitation, Ludwik Rydygier Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, Bydgoszcz, Poland
| | - M Sowa
- Department of Surgical Oncology, Ludwik Rydygier Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, Bydgoszcz, Poland
| | - M Biedka
- Chair and Clinic of Oncology and Brachytherapy, Ludwik Rydygier Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, Bydgoszcz, Poland
| | - A Kolacinska
- Department of Head and Neck Cancer Surgery and Surgical Oncology, Medical University of Lodz, Lodz, Poland
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Jurischka C, Dinter F, Sowa M, Noack J, Schiebel J, Roggenbuck D, Schierack P, Rödiger S. Tyramide signal amplification as universal detection method on protein coated microbeads. ACTA ACUST UNITED AC 2019. [DOI: 10.3233/jcb-189003] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- C. Jurischka
- Department of Multiparametric Diagnostics, BTU Cottbus - Senftenberg, Germany
| | - F. Dinter
- Department of Multiparametric Diagnostics, BTU Cottbus - Senftenberg, Germany
| | - M. Sowa
- Department of Multiparametric Diagnostics, BTU Cottbus - Senftenberg, Germany
| | - J. Noack
- Department of Multiparametric Diagnostics, BTU Cottbus - Senftenberg, Germany
| | - J. Schiebel
- Department of Multiparametric Diagnostics, BTU Cottbus - Senftenberg, Germany
| | - D. Roggenbuck
- Department of Multiparametric Diagnostics, BTU Cottbus - Senftenberg, Germany
- GA Generic Assays GmbH, Dahlewitz, Germany
| | - P. Schierack
- Department of Multiparametric Diagnostics, BTU Cottbus - Senftenberg, Germany
| | - S. Rödiger
- Department of Multiparametric Diagnostics, BTU Cottbus - Senftenberg, Germany
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10
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Jurischka C, Sowa M, Schiebel J, Roggenbuck D, Juretzek T, Rödiger S, Schierack P. PO-022 FISH probes for the detection of high-risk HPV nucleic acid in infected host cells. ESMO Open 2018. [DOI: 10.1136/esmoopen-2018-eacr25.67] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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11
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Boyer M, Sowa M, Di Meo I, Eftekharian S, Steenari MR, Tiranti V, Abdenur JE. Response to medical and a novel dietary treatment in newborn screen identified patients with ethylmalonic encephalopathy. Mol Genet Metab 2018. [PMID: 29526615 DOI: 10.1016/j.ymgme.2018.02.008] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Ethylmalonic encephalopathy (EE) is a devastating neurodegenerative disease caused by mutations in the ETHE1 gene critical for hydrogen sulfide (H2S) detoxification. Patients present in infancy with hypotonia, developmental delay, diarrhea, orthostatic acrocyanosis and petechiae. Biochemical findings include elevated C4, C5 acylcarnitines and lactic and ethylmalonic acid (EMA) in body fluids. Current treatment modalities include metronidazole and N-acetylcysteine (NAC) to lower the production and promote detoxification of toxic H2S. Patients are typically identified after the onset of clinical symptoms and there is limited information about long term response to treatment. We report the findings of two unrelated patients with EE, identified through newborn screening, who were managed with conventional treatment (NAC, metronidazole alternated with neomycin) and in patient 2, a novel dietary treatment restricting sulfur containing amino acids. Pathogenic mutations were confirmed in the ETHE1 gene (homozygous splice site mutation in patient 1, c.505 + 1G > A; compound heterozygous mutations in patient 2, c.131_132delAG + c.566delG). Both patients were started on metronidazole and NAC by 10 weeks of age and treated for 23 months. Patient 1 did not accept the metabolic formula due to palatability and parental refusal for gastrostomy tube placement. She demonstrated improved biomarkers (EMA, lactic acid and thiosulfate) and an attenuated clinical course. Patient 2 was started on a low methionine and cysteine diet at 8 months of age utilizing SOD Anamix® Early Years, (Nutricia). Baseline EMA levels were (642 mg/g Cr; n = 2) and decreased with medical treatment by 38% to a mean of 399 (n = 4, SD = 71, p 0.0013). With dietary treatment EMA levels were further reduced by 42% to a mean of 233 (n = 8, SD = 52, p 0.0030). Lactic acid, thiosulfates and clinical outcomes were also improved. Our long-term follow-up confirms previous reports of clinical improvement with NAC and metronidazole treatment. Additionally, our studies suggest that a diet restricted in sulfur-containing amino acids results in further improvement in clinical outcomes and biochemical markers.
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Affiliation(s)
- M Boyer
- Division of Metabolic Disorders, CHOC Children's Hospital, Orange, CA, United States
| | - M Sowa
- Division of Metabolic Disorders, CHOC Children's Hospital, Orange, CA, United States
| | - I Di Meo
- Unit of Molecular Neurogenetics, Foundation IRCCS Neurological Institute C. Besta, Milan, Italy
| | - S Eftekharian
- Division of Metabolic Disorders, CHOC Children's Hospital, Orange, CA, United States
| | - M R Steenari
- Division of Pediatric Neurology, CHOC Children's Hospital, Orange, CA, United States; Department of Pediatrics, University of California-Irvine, Orange, CA, United States
| | - V Tiranti
- Unit of Molecular Neurogenetics, Foundation IRCCS Neurological Institute C. Besta, Milan, Italy
| | - J E Abdenur
- Division of Metabolic Disorders, CHOC Children's Hospital, Orange, CA, United States; Department of Pediatrics, University of California-Irvine, Orange, CA, United States.
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12
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Helios K, Maniak H, Sowa M, Zierkiewicz W, Wąsińska-Kałwa M, Giurg M, Drożdżewski P, Trusek-Hołownia A, Malik M, Krauze K. Silver(I) complex with 2-amino-4,4α-dihydro-4α,7-dimethyl-3H-phenoxazin-3-one (Phx-1) ligand: crystal structure, vibrational spectra and biological studies. J COORD CHEM 2017. [DOI: 10.1080/00958972.2017.1384822] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- K. Helios
- Faculty of Chemistry, Wrocław University of Technology, Wrocław, Poland
| | - H. Maniak
- Faculty of Chemistry, Wrocław University of Technology, Wrocław, Poland
| | - M. Sowa
- Faculty of Chemistry, Wrocław University of Technology, Wrocław, Poland
| | - W. Zierkiewicz
- Faculty of Chemistry, Wrocław University of Technology, Wrocław, Poland
| | - M. Wąsińska-Kałwa
- Faculty of Chemistry, Wrocław University of Technology, Wrocław, Poland
| | - M. Giurg
- Faculty of Chemistry, Wrocław University of Technology, Wrocław, Poland
| | - P. Drożdżewski
- Faculty of Chemistry, Wrocław University of Technology, Wrocław, Poland
| | | | - M. Malik
- Faculty of Chemistry, Wrocław University of Technology, Wrocław, Poland
| | - K. Krauze
- Faculty of Chemistry, Wrocław University of Technology, Wrocław, Poland
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13
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Shaw RJ, Sowa M, Pedrick MS, Fife M, Nials AT, Knowles RG, Hessel E. Strategies to mimic virally induced asthmatic exacerbations: the use of rhinovirus and influenza in acute and chronic mouse models. J Inflamm (Lond) 2013. [PMCID: PMC3751003 DOI: 10.1186/1476-9255-10-s1-p19] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
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14
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Berger U, Schaefer JM, Wick K, Brix C, Bormann B, Sowa M, Schwartze D, Strauss B. Effectiveness of reducing the risk of eating-related problems using the German school-based intervention program, "Torera", for preadolescent boys and girls. Prev Sci 2013; 15:557-69. [PMID: 23609793 DOI: 10.1007/s11121-013-0396-4] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Representative surveys indicate that eating disorders are an increasing problem, especially among (pre)adolescents. We assessed the effects of a German school-based primary prevention program ("Torera") for seventh graders. Torera especially relates to pathological eating behavior in the realm of bulimia nervosa or binge eating disorder. The program is built upon two previously evaluated modules for sixth graders with a gender-specific adaption. The coeducational intervention involves nine manual-guided lessons touching a wide range of eating-related problems. Twenty-two Thuringian secondary schools (n = 256 boys and 277 girls, aged 11-13 years at baseline) participated in a trial with 2 control groups (untreated and pretreated) with pre-post assessment. Primary outcomes were conspicuous eating behavior and body self-esteem, measured by standardized questionnaires (SCOFF, EAT-26D, and FBeK). Girls and students at risk showed significant improvement with small (d = 0.35) to medium (d = 0.66) effect sizes on eating behavior, significantly mediated by body self-esteem. Boys only improved with respect to eating attitudes, revealing a small effect size (d = 0.35). With relatively low implementation costs (about <euro>2.50 per student), Torera provides an efficient model for reducing risky eating behavior and strengthening body self-esteem without negative side effects. To improve the effectiveness of the intervention, further research efforts focusing on at-risk groups (secondary prevention) and structural actions for prevention (e.g., offering healthy school catering) are needed.
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Affiliation(s)
- U Berger
- Institute of Psychosocial Medicine and Psychotherapy, Jena University Hospital of the Friedrich Schiller University Jena, Stoystr. 3, 07740, Jena, Germany,
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15
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Berger U, Schäfer JM, Wick K, Brix C, Bormann B, Sowa M, Schwartze D, Strauß B. Essstörungen wirksam vorbeugen mit den Schulprogrammen „PriMa“ und „Torera“ für Jugendliche in Klasse 6 und 7. Gesundheitswesen 2013; 77 Suppl 1:S60-1. [DOI: 10.1055/s-0032-1330034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
- U. Berger
- Institut für Psychosoziale Medizin und Psychotherapie, Universitätsklinikum Jena der Friedrich-Schiller-Universität Jena
| | - J.-M. Schäfer
- Institut für Psychosoziale Medizin und Psychotherapie, Universitätsklinikum Jena der Friedrich-Schiller-Universität Jena
| | - K. Wick
- Institut für Psychosoziale Medizin und Psychotherapie, Universitätsklinikum Jena der Friedrich-Schiller-Universität Jena
| | - C. Brix
- Institut für Psychosoziale Medizin und Psychotherapie, Universitätsklinikum Jena der Friedrich-Schiller-Universität Jena
| | - B. Bormann
- Institut für Psychosoziale Medizin und Psychotherapie, Universitätsklinikum Jena der Friedrich-Schiller-Universität Jena
| | - M. Sowa
- Institut für Psychosoziale Medizin und Psychotherapie, Universitätsklinikum Jena der Friedrich-Schiller-Universität Jena
| | - D. Schwartze
- Institut für Psychosoziale Medizin und Psychotherapie, Universitätsklinikum Jena der Friedrich-Schiller-Universität Jena
| | - B. Strauß
- Institut für Psychosoziale Medizin und Psychotherapie, Universitätsklinikum Jena der Friedrich-Schiller-Universität Jena
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16
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Takatsuka S, Chung Y, Yamada N, Sawada T, Seki S, Funae Y, Sowa M. Characterization and purification of angiogenic factor derived from highly liver metastatic colon cancer cells. Int J Oncol 2012; 11:1035-40. [PMID: 21528301 DOI: 10.3892/ijo.11.5.1035] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
We investigated the effects of serum-free conditioned medium (SFCM) of colon cancer cells on human umbilical vein endothelial cells (HUVECs). SFCM of highly liver metastatic cell line (LM-HS) strongly enhanced proliferation, migration and tube formation of HUVECs. Moreover, it was suggested that a main angiogenic factor derived from LM-H5 may be VEGF based on HPLC, SDS-PAGE analysis and neutralizing experiment using anti-growth factor antibodies. These findings suggest that angiogenesis is related to the processes of metastasis of colon cancer, and that VEGF synthesized by colon cancer cells acts as a key factor inducing angiogenesis.
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Affiliation(s)
- S Takatsuka
- OSAKA CITY UNIV,SCH MED,DEPT SURG 1,ABENO KU,OSAKA 545,JAPAN. OSAKA CITY UNIV,SCH MED,DEPT INTERNAL MED 3,ABENO KU,OSAKA 545,JAPAN. OSAKA CITY UNIV,SCH MED,CHEM LAB,ABENO KU,OSAKA 545,JAPAN
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17
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Nakata B, Appert H, Lei S, Yamashita Y, Chung Y, Sowa M, Myles J, Mao C, Howard J. Immunohistochemical study on cathepsin-B and cathepsin-d in pancreatic-cancer. Oncol Rep 2012; 1:543-6. [PMID: 21607400 DOI: 10.3892/or.1.3.543] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
Lysosomal enzymes, cathepsin B and D, have been studied in their possible relationship to the ability of malignant cells to invade and metastasize. In the current investigation, these cathepsins were detected immunohistochemically using avidin-biotin-peroxidase complex method in the pancreatic cancer cells of 21 patients. The positive rate of identification of cathepsin B and D was 43% and 81%, respectively. Cathepsin D stained more strongly than cathepsin B and the plasma membrane stained quite strongly in two instances. A correlation between the presence of cathepsin B or D in cancer cells and the degree of metastasis to lymph nodes, liver, or lung was not recognized.
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Affiliation(s)
- B Nakata
- MED COLL OHIO,DEPT SURG,TOLEDO,OH 43699. MED COLL OHIO,DEPT PATHOL,TOLEDO,OH 43699. TOLEDO HOSP,TOLEDO,OH 43606
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18
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Yamada N, Chung Y, Ohtani H, Ikeda T, Onoda N, Sawada T, Nishiguchi Y, Hasuma T, Sowa M. Establishment and characterization of a new human gallbladder carcinoma cell line (OCUG-1) producing TA-4. Int J Oncol 2012; 10:1251-5. [PMID: 21533512 DOI: 10.3892/ijo.10.6.1251] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
A new human cell line (OCUG-1) was established from peritoneal effusion of a patient with malignant gallbladder carcinoma. OCUG-1 cells proliferated mainly in clusters of cells partially floating in a monolayered sheet. The population doubling time is 47.1 h. DNA analysis showed that OCUG-1 cells were aneuploid and had two G(0)/G(1) peaks. The number of chromosomes was distributed in a broad range from 52 to 139. Subcutaneous injections of the cells induced tumor formation in all nude mice. The reconstituted tumors were poorly differentiated adenocarcinoma. High levels of SLX, CA19-9, SPan-1 and TA-4 were found in the serum of the original patient, but OCUG-1 cells produced only TA-4. We speculate that OCUG-1 may be a transitional form from adenocarcinoma to squamous cell carcinoma. Since OCUG-1 produces a high level of TA-4, it will be useful for the study of the biological nature of this carcinoma and the relationship between the expression of TA-4 and squamatization.
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Affiliation(s)
- N Yamada
- OSAKA CITY UNIV,SCH MED,DEPT SURG 1,ABENO KU,OSAKA 545,JAPAN. OSAKA CITY UNIV,SCH MED,DEPT BIOCHEM 1,ABENO KU,OSAKA 545,JAPAN
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19
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Yasukawa K, Kaneko T, Iba Y, Hirayama K, Kondo Y, Sawada T, Sowa M, Ho J, Kim Y, Chung Y. Preparation of mouse-human chimeric antibody against pancreatic cancer-associated mucin. Int J Oncol 2012; 6:1047-51. [PMID: 21556638 DOI: 10.3892/ijo.6.5.1047] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
A murine monoclonal antibody, designated Nd2, was generated using a purified mucin from the human pancreatic cancer cell line SW1990 as the immunogen. Administration of Nd2 into the patients with pancreatic cancer has shown that Nd2 is of clinical use for in vivo diagnostics of pancreatic cancer. In this study, starting with a previously established hybridoma producing Nd2, we have established a transfected cell line expressing a recombinant chimeric Nd2 composed of mouse-derived antigen-binding variable regions and human-derived constant regions. The chimeric Nd2 was shown to bind purified mucin from SW1990 cells with the same dose-response curve as the original Nd2. Immunohistochemical experiments have shown that the reactivity of the chimeric Nd2 in normal and malignant pancreatic tissue is also the same as that of the original Nd2. Replacement of a substantial portion of the mouse protein makes this chimeric Nd2 more promising for clinical application than the original mouse-derived Nd2 because its antigenicity is expected to be reduced.
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Affiliation(s)
- K Yasukawa
- OSAKA CITY UNIV,SCH MED,DEPT SURG 1,ABENO KU,OSAKA 545,JAPAN. UNIV CALIF SAN FRANCISCO,VET AFFAIRS MED CTR,GASTROINTESTINAL RES LAB,SAN FRANCISCO,CA. UNIV CALIF SAN FRANCISCO,DEPT MED,SAN FRANCISCO,CA
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20
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Maeda K, Chung Y, Sawada T, Ogawa Y, Onoda N, Nakata B, Kato Y, Sowa M. Combined evaluation of urokinase-type plasminogen activator and plasminogen activator inhibitor-2 expression in gastric carcinoma. Int J Oncol 2012; 8:499-503. [PMID: 21544388 DOI: 10.3892/ijo.8.3.499] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
Urokinase-type plasminogen activator (UPA) is a serine protease implicated in cancer invasion and metastasis. There are at least two kinds of specific inhibitor which act on UPA: plasminogen activator inhibitor-1 (PAI-1) and plasminogen activator inhibitor-2 (PAI-2). It has been reported that both UPA and PAI-1 antigen levels are associated with short survival in patients with breast cancer. In this study, we investigated the correlation between the expression of UPA, PAI-2 and prognosis in gastric carcinoma. One hundred and twenty specimens resected from patients with gastric carcinoma were investigated by staining with monoclonal antibodies against UPA and PAI-2. UPA positive rate was significantly higher in patients with liver metastases than in those without such metastases, There was no significant association between PAI-2 expression and clinicopathologic factors. However, patients with UPA-positive and PAI-2-negative tumors had more advanced cancer than other patients. According to the prognosis, the patients with UPA-positive and PAI-2-negative tumors had a significantly poorer prognosis than other patients. In conclusion, the combined evaluation of UPA and PAI-2 expression is associated with tumor progression in gastric cancer.
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21
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Chung Y, Nakata B, Sawada T, Yamashita Y, Kondo Y, Inui A, Kim K, Umeyama K, Ho J, Kim Y, Sowa M. New radioimmunoassay for pancreatic cancer-associated antigen span-1 with reference to differential-diagnosis and monitoring in pancreatic-cancer. Int J Oncol 2012; 2:921-6. [PMID: 21573647 DOI: 10.3892/ijo.2.6.921] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Sera from patients with various malignant benign disorders, as well as from a large number of healthy blood donors (2197). were analyzed with a newly developed SPan-1 coated bead radioimmunoassay. Only 0.9% of the healthy patients had SPan-1 levels above the cut-off value. SPan-1 antigen levels were elevated in 89.2% of sera from pancreatic cancer patients and in 75% of T1 and T2 cancers. High diagnostic accuracy was also recognized in differentiating benign pancreatic diseases from pancreatic cancers. SPan-I levels decreased after pancreatic resection and rose again at recurrence of disease. SPan-1 could be distinguished from other tumor markers such as DU-PAN-2 and OC-125 by competition radioimmunoassays and was elevated in individuals with malignant gastrointestinal diseases who had normal levels of either or both CEA and CA 19-9 antigens. This rapid. reproducible and sensitive assay for SPan-I appears to be a useful procedure for the detection and follow-up of pancreatic cancer.
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Affiliation(s)
- Y Chung
- VET ADM MED CTR,GASTROINTESTINAL RES LAB,SAN FRANCISCO,CA 94121. UNIV CALIF SAN FRANCISCO,DEPT MED,SAN FRANCISCO,CA 94143
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22
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Berger U, Wick K, Hölling H, Schlack R, Bormann B, Brix C, Sowa M, Schwartze D, Strauß B. Screening of disordered eating in 12 year old girls and boys: Psychometric analysis of the German versions of SCOFF and EAT-26. Eur Psychiatry 2011. [DOI: 10.1016/s0924-9338(11)72417-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/18/2022] Open
Abstract
To detect eating disorders and risky eating behaviour in early stages, screening tests are used. In order to examine as many adolescents as possible, these tests should be economic, i. e. as short as possible but at the same time they should fulfil the psychometric quality criteria. We compared the German version of the Eating Attitudes Test (EAT-26D) and the German version of the SCOFF test (which contains only five Yes-no questions) in a sample of 425 twelve year old girls and 382 boys from Thuringia, Germany. Although the EAT-26D reached higher psychometric properties, the SCOFF has been proved as a useful screening tool with a test-retest reliability of rtt = .73 and a maximum accuracy of 82% (area under the ROC curve). In reference to the EAT-26D (20 point cut-off) the sensitivity of the SCOFF was 78%, specificity 75%, positive predictive value 28%, and the negative predictive value, which is more relevant for screenings, was 96%. The construct validity reached r = .52.
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Khachatryan V, Sirunyan AM, Tumasyan A, Adam W, Bergauer T, Dragicevic M, Erö J, Fabjan C, Friedl M, Frühwirth R, Ghete VM, Hammer J, Hänsel S, Hoch M, Hörmann N, Hrubec J, Jeitler M, Kasieczka G, Kiesenhofer W, Krammer M, Liko D, Mikulec I, Pernicka M, Rohringer H, Schöfbeck R, Strauss J, Taurok A, Teischinger F, Waltenberger W, Walzel G, Widl E, Wulz CE, Mossolov V, Shumeiko N, Suarez Gonzalez J, Benucci L, Ceard L, De Wolf EA, Hashemi M, Janssen X, Maes T, Mucibello L, Ochesanu S, Roland B, Rougny R, Selvaggi M, Van Haevermaet H, Van Mechelen P, Van Remortel N, Adler V, Beauceron S, Blyweert S, D'Hondt J, Devroede O, Kalogeropoulos A, Maes J, Maes M, Tavernier S, Van Doninck W, Van Mulders P, Villella I, Chabert EC, Charaf O, Clerbaux B, De Lentdecker G, Dero V, Gay APR, Hammad GH, Marage PE, Vander Velde C, Vanlaer P, Wickens J, Costantini S, Grunewald M, Klein B, Marinov A, Ryckbosch D, Thyssen F, Tytgat M, Vanelderen L, Verwilligen P, Walsh S, Zaganidis N, Basegmez S, Bruno G, Caudron J, De Favereau De Jeneret J, Delaere C, Demin P, Favart D, Giammanco A, Grégoire G, Hollar J, Lemaitre V, Militaru O, Ovyn S, Pagano D, Pin A, Piotrzkowski K, Quertenmont L, Schul N, Beliy N, Caebergs T, Daubie E, Alves GA, Pol ME, Souza MHG, Carvalho W, Da Costa EM, De Jesus Damiao D, De Oliveira Martins C, Fonseca De Souza S, Mundim L, Oguri V, Santoro A, Silva Do Amaral SM, Sznajder A, Torres Da Silva De Araujo F, Dias FA, Dias MAF, Fernandez Perez Tomei TR, Gregores EM, Marinho F, Novaes SF, Padula SS, Darmenov N, Dimitrov L, Genchev V, Iaydjiev P, Piperov S, Stoykova S, Sultanov G, Trayanov R, Vankov I, Dyulendarova M, Hadjiiska R, Kozhuharov V, Litov L, Marinova E, Mateev M, Pavlov B, Petkov P, Bian JG, Chen GM, Chen HS, Jiang CH, Liang D, Liang S, Wang J, Wang J, Wang X, Wang Z, Yang M, Zang J, Zhang Z, Ban Y, Guo S, Hu Z, Mao Y, Qian SJ, Teng H, Zhu B, Cabrera A, Carrillo Montoya CA, Gomez Moreno B, Ocampo Rios AA, Osorio Oliveros AF, Sanabria JC, Godinovic N, Lelas D, Lelas K, Plestina R, Polic D, Puljak I, Antunovic Z, Dzelalija M, Brigljevic V, Duric S, Kadija K, Morovic S, Attikis A, Fereos R, Galanti M, Mousa J, Nicolaou C, Papadakis A, Ptochos F, Razis PA, Rykaczewski H, Tsiakkouri D, Zinonos Z, Mahmoud M, Hektor A, Kadastik M, Kannike K, Müntel M, Raidal M, Rebane L, Azzolini V, Eerola P, Czellar S, Härkönen J, Heikkinen A, Karimäki V, Kinnunen R, Klem J, Kortelainen MJ, Lampén T, Lassila-Perini K, Lehti S, Lindén T, Luukka P, Mäenpää T, Tuominen E, Tuominiemi J, Tuovinen E, Ungaro D, Wendland L, Banzuzi K, Korpela A, Tuuva T, Sillou D, Besancon M, Dejardin M, Denegri D, Descamps J, Fabbro B, Faure JL, Ferri F, Ganjour S, Gentit FX, Givernaud A, Gras P, Hamel de Monchenault G, Jarry P, Locci E, Malcles J, Marionneau M, Millischer L, Rander J, Rosowsky A, Rousseau D, Titov M, Verrecchia P, Baffioni S, Bianchini L, Bluj M, Broutin C, Busson P, Charlot C, Dobrzynski L, Elgammal S, Granier de Cassagnac R, Haguenauer M, Kalinowski A, Miné P, Paganini P, Sabes D, Sirois Y, Thiebaux C, Zabi A, Agram JL, Besson A, Bloch D, Bodin D, Brom JM, Cardaci M, Conte E, Drouhin F, Ferro C, Fontaine JC, Gelé D, Goerlach U, Greder S, Juillot P, Karim M, Le Bihan AC, Mikami Y, Speck J, Van Hove P, Fassi F, Mercier D, Baty C, Beaupere N, Bedjidian M, Bondu O, Boudoul G, Boumediene D, Brun H, Chanon N, Chierici R, Contardo D, Depasse P, El Mamouni H, Fay J, Gascon S, Ille B, Kurca T, Le Grand T, Lethuillier M, Mirabito L, Perries S, Sordini V, Tosi S, Tschudi Y, Verdier P, Xiao H, Roinishvili V, Anagnostou G, Edelhoff M, Feld L, Heracleous N, Hindrichs O, Jussen R, Klein K, Merz J, Mohr N, Ostapchuk A, Perieanu A, Raupach F, Sammet J, Schael S, Sprenger D, Weber H, Weber M, Wittmer B, Actis O, Ata M, Bender W, Biallass P, Erdmann M, Frangenheim J, Hebbeker T, Hinzmann A, Hoepfner K, Hof C, Kirsch M, Klimkovich T, Kreuzer P, Lanske D, Magass C, Merschmeyer M, Meyer A, Papacz P, Pieta H, Reithler H, Schmitz SA, Sonnenschein L, Sowa M, 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Petrillo G, Vishnevskiy D, Zielinski M, Bhatti A, Demortier L, Goulianos K, Hatakeyama K, Lungu G, Mesropian C, Yan M, Atramentov O, Gershtein Y, Gray R, Halkiadakis E, Hidas D, Hits D, Lath A, Rose K, Schnetzer S, Somalwar S, Stone R, Thomas S, Cerizza G, Hollingsworth M, Spanier S, Yang ZC, York A, Asaadi J, Eusebi R, Gilmore J, Gurrola A, Kamon T, Khotilovich V, Montalvo R, Nguyen CN, Pivarski J, Safonov A, Sengupta S, Toback D, Weinberger M, Akchurin N, Bardak C, Damgov J, Jeong C, Kovitanggoon K, Lee SW, Mane P, Roh Y, Sill A, Volobouev I, Wigmans R, Yazgan E, Appelt E, Brownson E, Engh D, Florez C, Gabella W, Johns W, Kurt P, Maguire C, Melo A, Sheldon P, Velkovska J, Arenton MW, Balazs M, Buehler M, Conetti S, Cox B, Hirosky R, Ledovskoy A, Neu C, Yohay R, Gollapinni S, Gunthoti K, Harr R, Karchin PE, Mattson M, Milstène C, Sakharov A, Anderson M, Bachtis M, Bellinger JN, Carlsmith D, Dasu S, Dutta S, Efron J, Gray L, Grogg KS, Grothe M, Herndon M, Klabbers P, Klukas J, Lanaro A, Lazaridis C, Leonard J, Lomidze D, Loveless R, Mohapatra A, Polese G, Reeder D, Savin A, Smith WH, Swanson J, Weinberg M. First measurement of Bose-Einstein correlations in proton-proton collisions at √s=0.9 and 2.36 TeV at the LHC. Phys Rev Lett 2010; 105:032001. [PMID: 20867758 DOI: 10.1103/physrevlett.105.032001] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/18/2010] [Indexed: 05/29/2023]
Abstract
Bose-Einstein correlations have been measured using samples of proton-proton collisions at 0.9 and 2.36 TeV center-of-mass energies, recorded by the CMS experiment at the CERN Large Hadron Collider. The signal is observed in the form of an enhancement of pairs of same-sign charged particles with small relative four-momentum. The size of the correlated particle emission region is seen to increase significantly with the particle multiplicity of the event.
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Bocci A, Bolognesi S, Breuker H, Brona G, Bunkowski K, Camporesi T, Cano E, Cattai A, Cerminara G, Christiansen T, Coarasa Perez JA, Covarelli R, Curé B, Dahms T, De Roeck A, Elliott-Peisert A, Funk W, Gaddi A, Gennai S, Gerwig H, Gigi D, Gill K, Giordano D, Glege F, Gomez-Reino Garrido R, Gowdy S, Guiducci L, Hansen M, Hartl C, Harvey J, Hegner B, Henderson C, Hoffmann HF, Honma A, Innocente V, Janot P, Lecoq P, Leonidopoulos C, Lourenço C, Macpherson A, Mäki T, Malgeri L, Mannelli M, Masetti L, Mavromanolakis G, Meijers F, Mersi S, Meschi E, Moser R, Mozer MU, Mulders M, Nesvold E, Orsini L, Perez E, Petrilli A, Pfeiffer A, Pierini M, Pimiä M, Racz A, Rolandi G, Rovelli C, Rovere M, Ryjov V, Sakulin H, Schäfer C, Schwick C, Segoni I, Sharma A, Siegrist P, Simon M, Sphicas P, Spiga D, Spiropulu M, Stöckli F, Traczyk P, Tropea P, Tsirou A, Veres GI, Vichoudis P, Voutilainen M, Zeuner WD, Bertl W, Deiters K, Erdmann W, Gabathuler K, Horisberger R, Ingram Q, Kaestli HC, König S, Kotlinski D, Langenegger U, Meier F, Renker D, Rohe T, Sibille J, Starodumov A, Caminada L, Chen Z, Cittolin S, Dissertori G, Dittmar M, Eugster J, Freudenreich K, Grab C, Hervé A, Hintz W, Lecomte P, Lustermann W, Marchica C, Meridiani P, Milenovic P, Moortgat F, Nardulli A, Nessi-Tedaldi F, Pape L, Pauss F, Punz T, Rizzi A, Ronga FJ, Sala L, Sanchez AK, Sawley MC, Schinzel D, Sordini V, Stieger B, Tauscher L, Thea A, Theofilatos K, Treille D, Weber M, Wehrli L, Weng J, Amsler C, Chiochia V, De Visscher S, Ivova Rikova M, Millan Mejias B, Regenfus C, Robmann P, Rommerskirchen T, Schmidt A, Tsirigkas D, Wilke L, Chang YH, Chen KH, Chen WT, Go A, Kuo CM, Li SW, Lin W, Liu MH, Lu YJ, Wu JH, Yu SS, Bartalini P, Chang P, Chang YH, Chang YW, Chao Y, Chen KF, Hou WS, Hsiung Y, Kao KY, Lei YJ, Lin SW, Lu RS, Shiu JG, Tzeng YM, Ueno K, Wang CC, Wang M, Wei JT, Adiguzel A, Ayhan A, Bakirci MN, Cerci S, Demir Z, Dozen C, Dumanoglu I, Eskut E, Girgis S, Gökbulut G, Güler Y, Gurpinar E, Hos I, Kangal EE, Karaman T, Kayis Topaksu A, Nart A, Onengüt G, Ozdemir K, Ozturk S, Polatöz A, Sahin O, Sengul O, Sogut K, Tali B, Topakli H, Uzun D, Vergili LN, Vergili M, Zorbilmez C, Akin IV, Aliev T, Bilmis S, Deniz M, Gamsizkan H, Guler AM, Ocalan K, Ozpineci A, Serin M, Sever R, Surat UE, Zeyrek M, Deliomeroglu M, Demir D, Gülmez E, Halu A, Isildak B, Kaya M, Kaya O, Ozbek M, Ozkorucuklu S, Sonmez N, Levchuk L, Bell P, Bostock F, Brooke JJ, Cheng TL, Cussans D, Frazier R, Goldstein J, Hansen M, Heath GP, Heath HF, Hill C, Huckvale B, Jackson J, Kreczko L, Mackay CK, Metson S, Newbold DM, Nirunpong K, Smith VJ, Ward S, Basso L, Bell KW, Belyaev A, Brew C, Brown RM, Camanzi B, Cockerill DJA, Coughlan JA, Harder K, Harper S, Kennedy BW, Olaiya E, Radburn-Smith BC, Shepherd-Themistocleous CH, Tomalin IR, Womersley WJ, Worm SD, Bainbridge R, Ball G, Ballin J, Beuselinck R, Buchmuller O, Colling D, Cripps N, Cutajar M, Davies G, Della Negra M, Foudas C, Fulcher J, Futyan D, Guneratne Bryer A, Hall G, Hatherell Z, Hays J, Iles G, Karapostoli G, Lyons L, Magnan AM, Marrouche J, Nandi R, Nash J, Nikitenko A, Papageorgiou A, Pesaresi M, Petridis K, Pioppi M, Raymond DM, Rompotis N, Rose A, Ryan MJ, Seez C, Sharp P, Sparrow A, Stoye M, Tapper A, Tourneur S, Vazquez Acosta M, Virdee T, Wakefield S, Wardrope D, Whyntie T, Barrett M, Chadwick M, Cole JE, Hobson PR, Khan A, Kyberd P, Leslie D, Reid ID, Teodorescu L, Bose T, Clough A, Heister A, St John J, Lawson P, Lazic D, Rohlf J, Sulak L, Andrea J, Avetisyan A, Bhattacharya S, Chou JP, Cutts D, Esen S, Heintz U, Jabeen S, Kukartsev G, Landsberg G, Narain M, Nguyen D, Speer T, Tsang KV, Borgia MA, Breedon R, Calderon De La Barca Sanchez M, Cebra D, Chertok M, Conway J, Cox PT, Dolen J, Erbacher R, Friis E, Ko W, Kopecky A, Lander R, Liu H, Maruyama S, Miceli T, Nikolic M, Pellett D, Robles J, Schwarz T, Searle M, Smith J, Squires M, Tripathi M, Vasquez Sierra R, Veelken C, Andreev V, Arisaka K, Cline D, Cousins R, Deisher A, Erhan S, Farrell C, Felcini M, Hauser J, Ignatenko M, Jarvis C, Plager C, Rakness G, Schlein P, Tucker J, Valuev V, Wallny R, Babb J, Clare R, Ellison J, Gary JW, Hanson G, Jeng GY, Kao SC, Liu F, Liu H, Luthra A, Nguyen H, Pasztor G, Satpathy A, Shen BC, Stringer R, Sturdy J, Sumowidagdo S, Wilken R, Wimpenny S, Andrews W, Branson JG, Dusinberre E, Evans D, Golf F, Holzner A, Kelley R, Lebourgeois M, Letts J, Mangano B, Muelmenstaedt J, Padhi S, Palmer C, Petrucciani G, Pi H, Pieri M, Ranieri R, Sani M, Sharma V, Simon S, Tu Y, Vartak A, Würthwein F, Yagil A, Barge D, Blume M, Campagnari C, D'Alfonso M, Danielson T, Garberson J, Incandela J, Justus C, Kalavase P, Koay SA, Kovalskyi D, Krutelyov V, Lamb J, Lowette S, Pavlunin V, Rebassoo F, Ribnik J, Richman J, Rossin R, Stuart D, To W, Vlimant JR, Witherell M, Bornheim A, Bunn J, Gataullin M, Kcira D, Litvine V, Ma Y, Newman HB, Rogan C, Shin K, Timciuc V, Veverka J, Wilkinson R, Yang Y, Zhu RY, Akgun B, Carroll R, Ferguson T, Jang DW, Jun SY, Paulini M, Russ J, Terentyev N, Vogel H, Vorobiev I, Cumalat JP, Dinardo ME, Drell BR, Ford WT, Heyburn B, Luiggi Lopez E, Nauenberg U, Smith JG, Stenson K, Ulmer KA, Wagner SR, Zang SL, Agostino L, Alexander J, Blekman F, Chatterjee A, Das S, Eggert N, Fields LJ, Gibbons LK, Heltsley B, Hopkins W, Khukhunaishvili A, Kreis B, Kuznetsov V, Kaufman GN, Patterson JR, Puigh D, Riley D, Ryd A, Shi X, Sun W, Teo WD, Thom J, Thompson J, Vaughan J, Weng Y, Wittich P, Biselli A, Cirino G, Winn D, Abdullin S, Albrow M, Anderson J, Apollinari G, Atac M, Bakken JA, Banerjee S, Bauerdick LAT, Beretvas A, Berryhill J, Bhat PC, Bloch I, Borcherding F, Burkett K, Butler JN, Chetluru V, Cheung HWK, Chlebana F, Cihangir S, Demarteau M, Eartly DP, Elvira VD, Fisk I, Freeman J, Gao Y, Gottschalk E, Green D, Gutsche O, Hahn A, Hanlon J, Harris RM, James E, Jensen H, Johnson M, Joshi U, Khatiwada R, Kilminster B, Klima B, Kousouris K, Kunori S, Kwan S, Limon P, Lipton R, Lykken J, Maeshima K, Marraffino JM, Mason D, McBride P, McCauley T, Miao T, Mishra K, Mrenna S, Musienko Y, Newman-Holmes C, O'Dell V, Popescu S, Pordes R, Prokofyev O, Saoulidou N, Sexton-Kennedy E, Sharma S, Smith RP, Soha A, Spalding WJ, Spiegel L, Tan P, Taylor L, Tkaczyk S, Uplegger L, Vaandering EW, Vidal R, Whitmore J, Wu W, Yumiceva F, Yun JC, Acosta D, Avery P, Bourilkov D, Chen M, Di Giovanni GP, Dobur D, Drozdetskiy A, Field RD, Fu Y, Furic IK, Gartner J, Kim B, Klimenko S, Konigsberg J, Korytov A, Kotov K, Kropivnitskaya A, Kypreos T, Matchev K, Mitselmakher G, Pakhotin Y, Piedra Gomez J, Prescott C, Remington R, Schmitt M, Scurlock B, Sellers P, Wang D, Yelton J, Zakaria M, Ceron C, Gaultney V, Kramer L, Lebolo LM, Linn S, Markowitz P, Martinez G, Mesa D, Rodriguez JL, Adams T, Askew A, Chen J, Diamond B, Gleyzer SV, Haas J, Hagopian S, Hagopian V, Jenkins M, Johnson KF, Prosper H, Sekmen S, Veeraraghavan V, Baarmand MM, Guragain S, Hohlmann M, Kalakhety H, Mermerkaya H, Ralich R, Vodopiyanov I, Adams MR, Anghel IM, Apanasevich L, Bazterra VE, Betts RR, Callner J, Cavanaugh R, Dragoiu C, Garcia-Solis EJ, Gerber CE, Hofman DJ, Khalatian S, Lacroix F, Shabalina E, Smoron A, Strom D, Varelas N, Akgun U, Albayrak EA, Bilki B, Cankocak K, Clarida W, Duru F, Lae CK, McCliment E, Merlo JP, Mestvirishvili A, Moeller A, Nachtman J, Newsom CR, Norbeck E, Olson J, Onel Y, Ozok F, Sen S, Wetzel J, Yetkin T, Yi K, Barnett BA, Blumenfeld B, Bonato A, Eskew C, Fehling D, Giurgiu G, Gritsan AV, Guo ZJ, Hu G, Maksimovic P, Rappoccio S, Swartz M, Tran NV, Whitbeck A, Baringer P, Bean A, Benelli G, Grachov O, Murray M, Radicci V, Sanders S, Wood JS, Zhukova V, Bandurin D, Bolton T, Chakaberia I, Ivanov A, Kaadze K, Maravin Y, Shrestha S, Svintradze I, Wan Z, Gronberg J, Lange D, Wright D, Baden D, Boutemeur M, Eno SC, Ferencek D, Hadley NJ, Kellogg RG, Kirn M, Mignerey A, Rossato K, Rumerio P, Santanastasio F, Skuja A, Temple J, Tonjes MB, Tonwar SC, Twedt E, Alver B, Bauer G, Bendavid J, Busza W, Butz E, Cali IA, Chan M, D'Enterria D, Everaerts P, Gomez Ceballos G, Goncharov M, Hahn KA, Harris P, Kim Y, Klute M, Lee YJ, Li W, Loizides C, Luckey PD, Ma T, Nahn S, Paus C, Roland C, Roland G, Rudolph M, Stephans GSF, Sumorok K, Sung K, Wenger EA, Wyslouch B, Xie S, Yilmaz Y, Yoon AS, Zanetti M, Cole P, Cooper SI, Cushman P, Dahmes B, De Benedetti A, Dudero PR, Franzoni G, Haupt J, Klapoetke K, Kubota Y, Mans J, Petyt D, Rekovic V, Rusack R, Sasseville M, Singovsky A, Cremaldi LM, Godang R, Kroeger R, Perera L, Rahmat R, Sanders DA, Sonnek P, Summers D, Bloom K, Bose S, Butt J, Claes DR, Dominguez A, Eads M, Keller J, Kelly T, Kravchenko I, Lazo-Flores J, Lundstedt C, Malbouisson H, Malik S, Snow GR, Baur U, Iashvili I, Kharchilava A, Kumar A, Smith K, Strang M, Zennamo J, Alverson G, Barberis E, Baumgartel D, Boeriu O, Reucroft S, Swain J, Wood D, Zhang J, Anastassov A, Kubik A, Ofierzynski RA, Pozdnyakov A, Schmitt M, Stoynev S, Velasco M, Won S, Antonelli L, Berry D, Hildreth M, Jessop C, Karmgard DJ, Kolb J, Kolberg T, Lannon K, Lynch S, Marinelli N, Morse DM, Ruchti R, Slaunwhite J, Valls N, Warchol J, Wayne M, Ziegler J, Bylsma B, Durkin LS, Gu J, Killewald P, Ling TY, Williams G, Adam N, Berry E, Elmer P, Gerbaudo D, Halyo V, Hunt A, Jones J, Laird E, Lopes Pegna D, Marlow D, Medvedeva T, Mooney M, Olsen J, Piroué P, Stickland D, Tully C, Werner JS, Zuranski A, Acosta JG, Huang XT, Lopez A, Mendez H, Oliveros S, Ramirez Vargas JE, Zatzerklyaniy A, Alagoz E, Barnes VE, Bolla G, Borrello L, Bortoletto D, Everett A, Garfinkel AF, Gecse Z, Gutay L, Jones M, Koybasi O, Laasanen AT, Leonardo N, Liu C, Maroussov V, Merkel P, Miller DH, Neumeister N, Potamianos K, Shipsey I, Silvers D, Yoo HD, Zablocki J, Zheng Y, Jindal P, Parashar N, Cuplov V, Ecklund KM, Geurts FJM, Liu JH, Morales J, Padley BP, Redjimi R, Roberts J, Betchart B, Bodek A, Chung YS, de Barbaro P, Demina R, Flacher H, Garcia-Bellido A, Gotra Y, Han J, Harel A, Miner DC, Orbaker D, Petrillo G, Vishnevskiy D, Zielinski M, Bhatti A, Demortier L, Goulianos K, Hatakeyama K, Lungu G, Mesropian C, Yan M, Atramentov O, Gershtein Y, Gray R, Halkiadakis E, Hidas D, Hits D, Lath A, Rose K, Schnetzer S, Somalwar S, Stone R, Thomas S, Cerizza G, Hollingsworth M, Spanier S, Yang ZC, York A, Asaadi J, Eusebi R, Gilmore J, Gurrola A, Kamon T, Khotilovich V, Montalvo R, Nguyen CN, Pivarski J, Safonov A, Sengupta S, Toback D, Weinberger M, Akchurin N, Bardak C, Damgov J, Jeong C, Kovitanggoon K, Lee SW, Mane P, Roh Y, Sill A, Volobouev I, Wigmans R, Yazgan E, Appelt E, Brownson E, Engh D, Florez C, Gabella W, Johns W, Kurt P, Maguire C, Melo A, Sheldon P, Velkovska J, Arenton MW, Balazs M, Buehler M, Conetti S, Cox B, Hirosky R, Ledovskoy A, Neu C, Yohay R, Gollapinni S, Gunthoti K, Harr R, Karchin PE, Mattson M, Milstène C, Sakharov A, Anderson M, Bachtis M, Bellinger JN, Carlsmith D, Dasu S, Dutta S, Efron J, Gray L, Grogg KS, Grothe M, Hall-Wilton R, Herndon M, Klabbers P, Klukas J, Lanaro A, Lazaridis C, Leonard J, Lomidze D, Loveless R, Mohapatra A, Polese G, Reeder D, Savin A, Smith WH, Swanson J, Weinberg M. Transverse-momentum and pseudorapidity distributions of charged hadrons in pp collisions at square root of s = 7 TeV. Phys Rev Lett 2010; 105:022002. [PMID: 20867699 DOI: 10.1103/physrevlett.105.022002] [Citation(s) in RCA: 52] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/18/2010] [Indexed: 05/29/2023]
Abstract
Charged-hadron transverse-momentum and pseudorapidity distributions in proton-proton collisions at square root of s = 7 TeV are measured with the inner tracking system of the CMS detector at the LHC. The charged-hadron yield is obtained by counting the number of reconstructed hits, hit pairs, and fully reconstructed charged-particle tracks. The combination of the three methods gives a charged-particle multiplicity per unit of pseudorapidity dN(ch)/dη|(|η|<0.5) = 5.78 ± 0.01(stat) ± 0.23(syst) for non-single-diffractive events, higher than predicted by commonly used models. The relative increase in charged-particle multiplicity from square root of s = 0.9 to 7 TeV is [66.1 ± 1.0(stat) ± 4.2(syst)]%. The mean transverse momentum is measured to be 0.545 ± 0.005(stat) ± 0.015(syst) GeV/c. The results are compared with similar measurements at lower energies.
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Brix C, Bormann B, Sowa M, Beinersdorf J, Lüdecke M, Berger U. Evaluation des Schulprojekts PriMa zur Primärprävention von Essstörungen bei Mädchen ab der 6. Klasse (Pilot- und Replikationsstudie). Psychother Psych Med 2009. [DOI: 10.1055/s-0029-1208188] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Stachowicz K, Gołembiowska K, Sowa M, Nowak G, Chojnacka-Wójcik E, Pilc A. Anxiolytic-like action of MTEP expressed in the conflict drinking Vogel test in rats is serotonin dependent. Neuropharmacology 2007; 53:741-8. [PMID: 17870136 DOI: 10.1016/j.neuropharm.2007.08.002] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2007] [Revised: 08/04/2007] [Accepted: 08/06/2007] [Indexed: 11/30/2022]
Abstract
The purpose of the present study was to investigate whether the anxiolytic-like action of a selective and brain penetrable group I metabotropic glutamate (mGlu5) receptor antagonist 3-[(2-methyl-1,3-tiazol-4-yl)ethynyl]-pyridine (MTEP) is dependent upon the serotonergic system. Experiments were performed on male Wistar rats. The Vogel conflict drinking test was used to detect anxiolytic-like activity. MTEP administered intraperitoneally at doses of 1, 3 and 6 mg/kg induced anxiolytic-like effect. The potential anxiolytic effect of MTEP (1 mg/kg) was inhibited by a nonselective 5-HT receptor antagonist metergoline (2 mg/kg i.p.) and 5-HT2A/2C receptor antagonist ritanserin (0.5 mg/kg i.p.), but not by a 5-HT1A receptor antagonist N-{2-[4-(2-methoxyphenyl)-1-piperazinyl]ethyl}-N-(2-pyridynyl)cyclohexane-carboxamide (WAY 100635) (0.1 mg/kg i.p). The anxiolytic effect of MTEP (6 mg/kg) was attenuated by ritanserin (1 mg/kg i.p.). Moreover, MTEP-induced a dose-dependent release of serotonin in the frontal cortex. The obtained results suggest that the potential anxiolytic effect of the mGlu5 receptor antagonist MTEP is due to the increased serotonin release with subsequent activation of 5-HT2A/2C receptors, most probably located postsynaptically, but not by the 5-HT1A receptors.
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Affiliation(s)
- K Stachowicz
- Institute of Pharmacology, Polish Academy of Sciences, Smetna 12, 31-343 Kraków, Poland.
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Nakata B, Sowa M, Tsuji A, Kamano T, Sasaki K, Fukunaga Y, Takahashi M, Tsujitani S, Mikami Y, Mitachi Y, Nishimura S, Araki H, Yamamitsu S, Hirakawa K, Tominaga S, Shirasaka T, Inokuchi K. Continuous infusion of 5-fluorouracil with versus without low-dose, consecutive administration of cisplatin in advanced colorectal cancer. A prospective randomized phase II study. J Exp Clin Cancer Res 2007; 26:51-60. [PMID: 17550132] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/15/2023]
Abstract
Recently, the treatment of advanced gastric cancer by continuous infusion of 5-fluorouracil (5-FU) with low-dose cisplatin (CDDP) has improved efficacy without severe toxicities. The possible effectiveness of 5-FU+low-dose CDDP for colorectal cancer (CRC) is intriguing. One hundred fifty-five patients with far-advanced CRC including at least one measurable lesion were enrolled in a prospective randomized clinical trial funded by the Japanese Foundation for Multidisciplinary Treatment of Cancer. These patients were assigned to the two arms to assess the value of low-dose CDDP when added to a continuous intravenous infusion of 5-FU at a dose of 300 mg/m(2)/24 hrs in a one-week cycle consisting of 5 days of treatment and 2 days of rest for at least 12 weeks. CD-DP was given intravenously at a dose of 3 mg/m(2) on days 1-5 and days 8-12, and then at a dose of 7 mg/m(2) twice a week. Three patients were excluded from the trial. The response rate in the 5-FU+low-dose CDDP arm (n=75) was significantly higher than that in the 5-FU arm (n=77) (25.3% vs. 11.7%; P = 0.037). There was no significant difference in the median overall survival time between the 5-FU+low-dose CDDP arm and the 5-FU arm (479 and 491 days, respectively). Grades 3/4 toxicities occurred infrequently in both arms. The quality of life was almost the same between the arms. Low-dose CDDP improved the response rate while keeping toxicities within clinically acceptable limits. However, this combined treatment did not confer a survival advantage over treatment with continuous infusion of 5-FU alone for patients with far-advanced CRC; that might be attributable to the short CDDP administration setting of 12 weeks.
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Affiliation(s)
- B Nakata
- Department of Surgical Oncology, Osaka City University Graduate School of Medicine, Osaka, Japan.
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Berger U, Sowa M, Bormann B, Brix C. Die Barbie-Matrix: Wirksamkeit des Programms PriMa zur Primärprävention von Magersucht bei Mädchen ab der 6. Klasse. Psychother Psychosom Med Psychol 2007. [DOI: 10.1055/s-2007-970625] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Kłak K, Pałucha A, Brański P, Sowa M, Pilc A. Combined administration of PHCCC, a positive allosteric modulator of mGlu4 receptors and ACPT-I, mGlu III receptor agonist evokes antidepressant-like effects in rats. Amino Acids 2006; 32:169-72. [PMID: 16868652 DOI: 10.1007/s00726-006-0316-z] [Citation(s) in RCA: 45] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2005] [Accepted: 01/12/2006] [Indexed: 10/24/2022]
Abstract
Numerous pharmacological data indicate involvement of glutamate, the major excitatory neurotransmitter in the brain, in the pathophysiology of several neuropsychiatric disorders. It was shown in the preclinical studies that compounds which can reduce the excess of glutamate release (for example group III metabotropic receptors agonists) possess potential therapeutic properties. Thus we focused our interests on (-)-N-phenyl-7-(hydroxyimino) cyclopropa[b]chromen-1a-carboxamide (PHCCC), which is a positive allosteric modulator of mGlu4 receptor. We examined the potential antidepressant-like activity of PHCCC after injection into the brain ventricles alone, or together with (1S,3R,4S)-1-aminocyclo-pentane-1,3,4-tricarboxylic acid (ACPT-I), a nonselective group III mGlu receptor agonist, using the forced swimming test (FST) in rats. We found that ACPT-I induced a dose dependent antidepressant-like effect in FST, which was blocked by an antagonist of group III mGlu receptors (RS)-alpha-cyclopropyl-4-phosphonophenylglycine (CPPG). PHCCC injected intracerebroventricular was not effective, however when the compound was administered together with non-effective dose of ACPT-I, a profound antidepressant-like activity in FST was demonstrated. This effect was reversed by CPPG, group III mGlu receptors antagonist. Results of our studies indicate that a combined administration positive allosteric modulation of mGlu4 receptor and agonists of group III mGlu receptors may be a promising target in the future treatment of depressive disorder.
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Affiliation(s)
- K Kłak
- Department of Neurobiology, Institute of Pharmacology, Polish Academy of Sciences, Kraków, Poland
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Cross K, Leonardi L, Fish J, Sowa M, Gomez M, Payette J, Hastings M. 039 Determination of Burn Depth using near Infrared Spectroscopy. Wound Repair Regen 2004. [DOI: 10.1111/j.1067-1927.2004.0abstractal.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Gregoraszczuk EL, Sowa M, Kajta M, Ptak A, Wójtowicz A. Effect of PCB 126 and PCB 153 on incidence of apoptosis in cultured theca and granulosa cells collected from small, medium and large preovulatory follicles. Reprod Toxicol 2003; 17:465-71. [PMID: 12849859 DOI: 10.1016/s0890-6238(03)00042-x] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The aim of the presented study was to evaluate the effects of PCB 126 and PCB 153 on granulosa and theca cell apoptosis. Granulosa and theca cells were collected from small, medium, and large preovulatory porcine follicles and cultured as monolayers. Cells were initially cultured for 24 h to allow attachment to the plates. Media were changed and 100 pg/ml PCB 126 or 100 ng/ml PCB 153 were added. After 48 h, granulosa and theca cells were fixed for assessment of the number of apoptotic cells utilizing a Hoechst staining technique or frozen for measurement of caspase-3 activity. Media were collected for testosterone concentration analysis from theca cell cultures or estradiol from granulosa cell cultures. Neither PCB 153 nor PCB 126 had an effect on testosterone secretion by theca cells collected from small and medium size follicles, while both PCBs decreased testosterone secretion by large follicles. The decrease in testosterone secretion by large follicles under the influence of both PCBs was paralleled by a suppression of caspase-3 activity and a decreased incidence of apoptotic bodies. Neither of the PCBs had an effect on estradiol secretion by granulosa cells collected from small and medium size follicles, while both PCBs increased estradiol in granulosa cells collected from large follicles. PCB-associated increased estradiol secretion by granulosa cells collected from large follicles was accompanied by suppression of caspase-3 activity and a decreased incidence of apoptotic bodies. In conclusion, we have presented evidence that in preovulatory follicles PCBs inhibit both theca and granulosa cells apoptosis. Therefore, an exposure to PCBs may cause alterations in the pattern of terminal differentiation of follicles and attenuate spontaneous elimination of atretic follicles.
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Affiliation(s)
- E L Gregoraszczuk
- Department of Animal Physiology, Institute of Zoology, Jagiellonian University, ul. Ingardena 6, 30-060 Krakow, Poland.
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Attas M, Hewko M, Payette J, Posthumus T, Sowa M, Mantsch H. Visualization of cutaneous hemoglobin oxygenation and skin hydration using near-infrared spectroscopic imaging. Skin Res Technol 2001; 7:238-45. [PMID: 11737819 DOI: 10.1034/j.1600-0846.2001.70406.x] [Citation(s) in RCA: 42] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
BACKGROUND/AIMS The visualization of skin hemodynamics and tissue water content has important implications in a number of areas of dermatology, plastic surgery, and clinical skin evaluation. The aim of this study was to develop instrumentation and techniques for infrared spectroscopic imaging, and to evaluate whether they can be used to make objective assessments of skin health, perhaps even before clinical signs are evident. METHODS A liquid-crystal tunable filter was mounted on the front of the objective lens of an infrared-sensitive charge-coupled device digital camera. Sets of narrow-band images of skin were acquired in vivo at wavelength intervals of 10 nm from 650 to 1050 nm, under computer control. The data processing techniques used to extract interpretable clinical information from the raw image sets included normalization, ratios, and multivariate analysis. RESULTS To highlight the capabilities of these techniques, results are presented of two studies that generated spectroscopic images. One examined a volunteer's forearm subjected to short interruptions of blood flow, and the other followed changes in a skin flap elevated on a rat model. The data sets were processed in different ways to determine several skin and blood parameters, in particular hemoglobin oxygen saturation, blood volume, and skin hydration. Variations in these parameters were followed non-invasively as a function of time and location to study the skin's response to blood flow changes, and to predict the viability of the skin. CONCLUSION Near-infrared reflectance spectroscopic imaging is demonstrated to be a powerful augmentation to the standard clinical assessment of skin.
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Affiliation(s)
- M Attas
- Institute for Biodiagnostics, National Research Council of Canada, Winnipeg, Canada.
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Takashima T, Onoda N, Ishikawa T, Ogawa Y, Kato Y, Fujimoto Y, Sowa M, Hirakawa-Y S Chung K. Proliferating cell nuclear antigen labeling index and p53 expression predict outcome for breast cancer patients with four or more lymph node metastases. Int J Mol Med 2001; 8:159-63. [PMID: 11445867 DOI: 10.3892/ijmm.8.2.159] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
In general, extensive lymph node metastasis indicates poor prognosis in breast cancer. Nevertheless, some patients with this condition survive for a long time without recurrent disease. This study involved 112 breast cancer patients with four or more lymph node metastases and without distant metastasis who underwent surgery. p53 expression was associated with shorter overall and disease-free survival. High PCNA labeling index was associated with shorter overall disease-free survival. p53-negative and low-PCNA patients survived much longer than p53-positive and high-PCNA patients. This study showed that p53-negative or low-PCNA index patients have relatively good prognoses despite extensive lymph node metastasis.
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Affiliation(s)
- T Takashima
- Department of Surgical Oncology, Osaka City University Medical School, Abeno-Ku, Osaka 545-8585, Japan. tsutomu-@rd5.so-net.ne.jp
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Ogawa M, Onoda N, Maeda K, Kato Y, Nakata B, Kang SM, Sowa M, Hirakawa K. A combination analysis of p53 and p21 in gastric carcinoma as a strong indicator for prognosis. Int J Mol Med 2001; 7:479-83. [PMID: 11295107 DOI: 10.3892/ijmm.7.5.479] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
We studied p53 and p21 expression simultaneously in gastric carcinoma tissues to investigate the clinical significance of p53-p21 pathway in this disease. One hundred sixty-four primary gastric carcinoma specimens were immunohistochemically stained for p53 and p21 protein, and clinicopathological features of the cases were examined. P53 was stained negatively, while p21 was stained positively in each normal stomach epithelium. P53, and p21 positive staining was observed in 82 (50%) and 61 (37.2%) tumors, respectively. Unexpectingly, no correlation was found between p53 and p21 staining status. Tumors demonstrating preserved p53-p21 pathway [p53(-)/p21(+)], observed in 20.1% of the tumors, displayed less aggressive characteristics, and no recurrent disease after curative resection. While tumors demonstrating disrupted p53-p21 pathway [p53(+)/p21(-)], observed in 32.9% of the tumors, displayed significantly more aggressive characteristics, poorer survival and higher recurrence rate than the tumors demonstrating other staining patterns. P53-p21 pathway was widely altered in gastric carcinomas. The combined evaluation of p53 and p21 expression in gastric carcinoma tissues is suggested to have clinical importance by indicating not only the malignant potential of each tumor, but also the prognosis of this disease.
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Affiliation(s)
- M Ogawa
- First Department of Surgery, Osaka City University Medical School, Abeno-ku, Osaka 545-8585, Japan
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35
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Sowa M, Kato Y, Yashiro M, Hirakawa K. [Scirrhous carcinoma of the stomach--from bench to clinic]. Nihon Rinsho 2001; 59 Suppl 4:257-66. [PMID: 11424389] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/20/2023]
Affiliation(s)
- M Sowa
- Osaka City General Hospital
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36
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Wang YQ, Ikeda K, Ikebe T, Hirakawa K, Sowa M, Nakatani K, Kawada N, Kaneda K. Inhibition of hepatic stellate cell proliferation and activation by the semisynthetic analogue of fumagillin TNP-470 in rats. Hepatology 2000; 32:980-9. [PMID: 11050048 DOI: 10.1053/jhep.2000.18658] [Citation(s) in RCA: 59] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Proliferation and activation of hepatic stellate cells (HSCs) are critical steps for the development of postnecrotic fibrosis in the liver. The present study aimed to reveal the inhibitory effect of the semisynthetic analogue of fumagillin TNP-470 on these events for its possible use as an antifibrogenic agent. Rat models of carbon tetrachloride (CCl(4))- and dimethylnitrosamine-induced hepatic fibrosis were used for an in vivo study. In both models, the fibrotic area was considerably decreased by concurrent repetitive subcutaneous injections of 30 mg/kg body weight of TNP-470. In CCl(4)-induced fibrosis, factor VIII-related antigen-positive blood vessels, desmin-, or alpha-smooth muscle actin (alphaSMA)-positive mesenchymal cells, bromodeoxyuridine (BrdU)-positive mesenchymal cells also decreased in number by treatment with TNP-470. In in vitro experiments, a supplement of 1,000 ng/mL TNP-470 suppressed BrdU incorporation and cyclins D1, D2, and E expression by cultured HSCs in the absence and/or presence of platelet-derived growth factor (PDGF). Expression of HSC activation markers, i.e., alphaSMA and PDGF receptor beta, was also suppressed. The present results indicate that TNP-470 inhibits HSC proliferation by blocking the cell-cycle transition from G1 to S and HSC activation, and, as the consequence, prevents the progression of hepatic fibrosis, probably being coupled with its antiangiogenic effect.
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Affiliation(s)
- Y Q Wang
- Department of Anatomy, Osaka City University Medical School, Osaka, Japan
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37
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Toge T, Nakazato H, Nishiyama M, Hirata K, Yamamitsu S, Sowa M, Saji S. [Current status of "low-dose cisplatin-5-FU therapy" for solid tumors (2nd report)--from a nationwide questionnaire on its adverse effects]. Gan To Kagaku Ryoho 2000; 27:549-58. [PMID: 10790997] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/16/2023]
Abstract
A nationwide questionnaire survey was carried out on low-dose cisplatin-5-FU therapy for solid malignant tumors (mostly stomach and colon cancer) regarding its antitumor as well as adverse effects. The regimen was defined as 4 weeks administration of cisplatin 2-5 mg/body, 5 days a week, which was used in 47% of 82 institutions studied. Cases were classified into an Ab regimen (86 cases) with cisplatin 3-5 mg/body, and a Bb regimen (122 cases) with cisplatin 6-30 mg (mostly 10 mg)/body, both of which were given 5-FU 300-500 mg/body daily. The antitumor effect (CR + PR) was shown to be slightly higher in the Bb regimen than in the Ab regimen, and was 35% overall. Very few adverse effects appeared with either regimen for mostly major digestive, hepatic and renal functions, except for myelodepressions (leucopenia and thrombocytopenia), which were more than grade 3 in only a few percent with the Ab regimen, and a little more than 10% with the Bb regimen. The advantages and disadvantages of the A/Bb regimens appeared to be counter-balanced in terms of their antitumor and adverse effects. Most institutions using the Ab regimen favored repeating the regimen cycle as much as possible. Those using more than 6 cycles accounted for about 20% of hospitals.
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Affiliation(s)
- T Toge
- Dept. of Surgical Oncology, Hiroshima University
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Sowa M, Nakata B. [Genome analyses for precancerous lesions in the gastrointestinal tract]. Gan To Kagaku Ryoho 2000; 27:335-40. [PMID: 10740625] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/16/2023]
Abstract
We herein summarize the reports on genetic changes in precancerous lesions in the gastrointestinal tract. It has been reported that with esophageal lesions such as dysplasia and Barrett's esophagus there is a high frequency of p53 mutations. Among gastric lesions, some cases of chronic atrophic gastritis have been shown to harbor K-ras mutations. p53 and APC mutations in intestinal metaplasia have also been demonstrated, as have APC mutations in flat adenomas. With colorectal lesions, it has been reported that K-ras, DCC, p53 mutations commonly occur while APC mutations are also seen in cases of adenoma-carcinoma. p53 and K-ras mutations have been demonstrated with serrated adenoma, and K-ras mutations with hyperplastic polyps APC mutations in familial polyposis coli, LKB1 mutations in Peutz-Jeghers syndrome, and SMAD4/DPC4 mutations in juvenile polyposis syndrome have been found. Besides these genes, other genetic changes likely occur in carcinogenesis among those with hereditary diseases. K-ras mutations in aberrant crypt foci and hMSH2 mutations in ulcerative colitis have been found. Research into the genetic changes associated with cancerous lesions should lead to the development of early diagnosis and treatment methods for gastrointestinal cancer as well as the improved comprehension of carcinogenesis.
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Affiliation(s)
- M Sowa
- Osaka City General Hospital, Japan
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Yamashita Y, Ho JJ, Farrelly ER, Hirakawa K, Sowa M, Kim YS. Forskolin and phorbol ester have opposite effects on the expression of mucin-associated sialyl-Lewis(a) in pancreatic cancer cells. Eur J Cancer 2000; 36:113-20. [PMID: 10741304 DOI: 10.1016/s0959-8049(99)00238-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
The carbohydrate antigen sialyl-Lewis(a) is important to pancreatic tumour biology because the circulating antigen is used in serological tests for malignancy and because cell surface antigen is involved in tumour cell binding to the endothelial adhesion molecule, E-selectin, in extravasation. In this study, we examined the effects of the adenylyl cyclase activator, forskolin, and the diacylglycerol analogue, phorbol 12-myristate 13-acetate (PMA), on the expression and release of sialyl-Lewis(a) in human pancreatic cancer cells. Increases in the release of sialyl-Lewis(a) from SW1990 cells produced by forskolin and PMA were associated with increases in the activities of protein kinases A and C, respectively, and could be blocked by inhibitors specific for these enzymes. Immunoprecipitation experiments showed that sialyl-Lewis(a) was associated with MUC1 mucin. Forskolin also increased the cellular content of antigen and MUC1 mRNA. Actinomycin D and a protein kinase A inhibitor, H8, blocked these effects. In contrast, PMA reduced cellular antigen and MUC1 mRNA levels, although it produced a temporary increase in release of the antigen. The effects of PMA were blocked by the protein kinase C inhibitor, H7. PMA also reduced cell binding to the adhesion molecule E-selectin. In summary, PKA and PKC alter cell MUC1-associated sialyl-Lewis(a) in opposite directions. These changes may have clinical utility in the diagnosis of pancreatic cancer and the prevention of metastases.
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Affiliation(s)
- Y Yamashita
- First Department of Surgery, Osaka City University Medical School, Japan
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Yamashita Y, Ohira M, Sowa M, Shirasaka T, Hirakawa K, Chung YS. [Low-dose FP therapy for advanced and recurrent gastric cancer]. Gan To Kagaku Ryoho 1999; 26:1548-53. [PMID: 10553411] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/14/2023]
Abstract
Continuous infusion of 5-FU and low-dose CDDP infusion (low-dose FP therapy) is one of the effective combination chemotherapies for advanced and recurrent gastric cancer. Several studies have reported low-dose FP therapy showed high response rates (40-50%) and a low incidence of toxicities. There was a positive correlation between antitumor effect and survival time on neoadjuvant chemotherapy for advanced gastric cancer. It still may be necessary to improve quality of life by changing the regimen of low-dose FP therapy because patients require hospitalization for the therapy.
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Affiliation(s)
- Y Yamashita
- First Department of Surgery, Osaka City University Medical School, Japan
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Inoue T, Yashiro M, Nishimura S, Maeda K, Sawada T, Ogawa Y, Sowa M, Chung KH. Matrix metalloproteinase-1 expression is a prognostic factor for patients with advanced gastric cancer. Int J Mol Med 1999; 4:73-7. [PMID: 10373641 DOI: 10.3892/ijmm.4.1.73] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
Proteolytic activity of cancer cells is an important factor in metastasis. This study examined the relationship between MMP-1 expression of gastric cancer cells and peritoneal metastasis. MMP-1 expression was found in 76/103 (75.2%) cases examined and was significantly associated with both peritoneal metastasis and lymph node metastasis (p<0.05, respectively). The prognosis of patients with MMP-1 positive tumor was significantly worse than that of patients with MMP-1 negative tumor (p<0.05). These findings suggested that MMP-1 might be a prognostic factor in case of advanced gastric cancer and might be useful in determining whether or not adjuvant therapy was indicated for patients at high risk of peritoneal recurrence.
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Affiliation(s)
- T Inoue
- First Department of Surgery, Osaka City University Medical School, Abeno-ku, Osaka 545-8585, Japan
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42
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Okuno K, Yasutomi M, Kon M, Hatakeyama K, Muto T, Kitajima M, Koyanagi Y, Hamano K, Ohta H, Aiba K, Arai Y, Sowa M, Kikkawa N, Takayasu Y, Isomoto H. Intrahepatic interleukin-2 with chemotherapy for unresectable liver metastases: a randomized multicenter trial. Hepatogastroenterology 1999; 46:1116-21. [PMID: 10370677] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/12/2023]
Abstract
BACKGROUND/AIMS A pilot study of Interleukin-2 (IL-2) with chemotherapy for unresectable colorectal liver metastases revealed a favorable response rate (76%). This prospective, randomized, multicenter study was conducted to evaluate the efficacy of this treatment protocol. METHODOLOGY Over a period of 32 months, 46 patients with unresectable liver metastases were randomly assigned to 1 of 3 treatment groups: group A: chemotherapy alone, group B: chemotherapy plus high-dose, intermittent IL-2 (2.1 x 10(6) U twice weekly) or group C: chemotherapy plus low-dose, continuous IL-2 (7 x 10(5) U daily). Treatment continued for 4 weeks in the hospital and on an outpatient basis according to the clinical response. No crossover between treatment arms was permitted. RESULTS IL-2 combined with chemotherapy produced a higher complete and partial response rate of 40% in group A, 60% in group B, and 78% in group C. Toxicity related to IL-2 included fever, chills, malaise, and eosinophilia. CONCLUSIONS Hepatic arterial infusion of chemotherapy plus IL-2 resulted in an increased tumor response when compared with chemotherapy alone. To confirm the efficacy of this treatment protocol, we have started a large-scale, randomized, multi-institution trial.
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Affiliation(s)
- K Okuno
- First Department of Surgery, Kinki University School of Medicine, Osaka-sayama, Japan
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Abstract
BACKGROUND Prediction of peritoneal dissemination is very difficult using current diagnostic tools such as computed tomography, ultrasonography, or various tumor markers. The predictive value of serum CA 125 levels for peritoneal metastasis from gastric carcinoma was studied. METHODS The sera from 384 patients with gastric carcinoma were measured for CA 125 titer using an immunoradiometric assay. Carcinoembryonic antigen, carbohydrate antigen 19-9, and sialyl-Tn antigen were measured in the same samples. RESULTS The serum CA 125 level was elevated according to the degree of peritoneal dissemination. The reference value for peritoneal dissemination was determined to be 35 U/mL, resulting in a sensitivity of 39.4%, specificity of 95.7%, and diagnostic accuracy of 90.8%. The diagnostic ability was more reliable than the other imaging modalities including computed tomography and ultrasonography and the other useful tumor markers for gastric carcinoma. The serum CA 125 level was elevated after gastrectomy for approximately 2 months, most likely due to the continuous inflammation of the peritoneum and lost predictive significance for peritoneal dissemination during this period. CONCLUSIONS Measurement of the serum CA 125 titer may be a powerful predictor of peritoneal metastases in patients with gastric carcinoma.
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Affiliation(s)
- B Nakata
- First Department of Surgery, Osaka City University Medical School, Osaka, Japan
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Maeda K, Nishiguchi Y, Onoda N, Otani H, Nakata B, Yamada S, Okuno M, Sowa M, Chung KH. Expression of the mismatch repair gene hMSH2 in sporadic colorectal cancer. Int J Oncol 1998; 13:1147-51. [PMID: 9824623 DOI: 10.3892/ijo.13.6.1147] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
At least four genes involved in DNA mismatch repair (MMR), hMSH2, hMLH1, hPMS1 and hPMS2, have been cloned and characterized. These genes have been demonstrated to be altered in the germline of patients with hereditary non-polyposis colorectal cancer (HNPCC). HNPCC is an autosomal dominant disease characterized by a preponderance of proximal colon, young age of onset, increased multiplicity, and improved stage-specific survival. In this study, we examined the expression of hMSH2 protein in sporadic colorectal cancer (CRC). As a result, the frequency of right-sided CRC and multiple CRCs were significantly higher in the patients with hMSH2-negative CRC than in those with hMSH2-positive CRC. The rate of p53 positivity was significantly lower in the hMSH2-negative tumours than that in the hMSH2-positive tumours. The disease-free survival rate tended to be higher in the patients with hMSH2-negative CRC than in the patients with hMSH2-positive CRC. Our findings suggest that both the clinicopathological and biological features of hMSH2-negative sporadic CRC seemed to be similar to those of HNPCC. To clarify the mechanism of carcinogenesis in HNPCC and sporadic CRC, further investigations of genetic alterations caused by MMR genes will be needed.
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Affiliation(s)
- K Maeda
- First Department of Surgery, Osaka City University Medical School, Osaka 545-8585, Japan
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Murahashi K, Yashiro M, Inoue T, Nishimura S, Matsuoka T, Sawada T, Sowa M, Hirakawa-Ys Chung K. Tranilast and cisplatin as an experimental combination therapy for scirrhous gastric cancer. Int J Oncol 1998; 13:1235-40. [PMID: 9824637 DOI: 10.3892/ijo.13.6.1235] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
We examined the effect of Tranilast on the reduction of the administered dose of cisplatin using a scirrhous gastric cancer model. Scirrhous gastric cancer cell line, OCUM-2M, and gastric fibroblasts, NF-10, were used. The IC50 values of CDDP to OCUM-2M cells were decreased by Tranilast in vitro. The combination treatment with Tranilast and CDDP decreased the xenografted tumor size. The combination therapy decreased fibrosis and mitosis, and increased apoptosis. These findings suggest that Tranilast increased the CDDP response on scirrhous gastric cancer. The combination treatment with Tranilast and CDDP may be useful as a new therapy for scirrhous gastric carcinoma.
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Affiliation(s)
- K Murahashi
- First Department of Surgery, Osaka City University Medical School, Abeno-ku, Osaka 545-8585, Japan
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Abstract
We quantified telomerase activities in thyroid tumors by a telomeric-repeat-amplification-protocol-based assay in an attempt to determine its clinical significance. Telomerase activity was detected in 10 of 18 (55.6%) malignant tumors, but in none of the four benign lesions, and the level of telomerase activity correlated significantly with the progression of the clinical stages. High activity was determined in 4 (80%) of 5 metastatic lesions in the lymph nodes. Five (45.5%) of 11 non-tumoral specimens from malignant cases showed telomerase activity, while none of the four from benign cases did. In conclusion, the determination of telomerase activity might be useful in determining the existence and progression of thyroid cancer.
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Affiliation(s)
- N Onoda
- Department of Oncology, Institute of Geriatrics and Medical Science, Osaka City University Medical School, Abeno-ku, Osaka 545-8585, Japan
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Maeda K, Kang SM, Onoda N, Ogawa M, Sawada T, Nakata B, Kato Y, Chung YS, Sowa M. Expression of p53 and vascular endothelial growth factor associated with tumor angiogenesis and prognosis in gastric cancer. Oncology 1998; 55:594-9. [PMID: 9778629 DOI: 10.1159/000011918] [Citation(s) in RCA: 63] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Recently, it has been reported that p53 tumor suppressor gene plays an important role in controlling tumor angiogenesis by regulating expression of vascular endothelial growth factor (VEGF), which is a well-characterized angiogenic inducer. In this study, we investigated these antigens' expression together with microvessel density, and investigated their clinical importance. One hundred twenty specimens resected from patients with gastric carcinoma were investigated using immunohistochemical methods. p53 and VEGF expression was observed in 42 and 35% tumors, respectively. p53 and VEGF staining status was coincided in 72% tumors, and a significant correlation was found between p53 and VEGF status. The microvessel density, determined by immunostaining for factor VIII-related antigen, was significantly higher in p53-positive or VEGF-positive tumors. According to prognosis, patients with p53-positive tumors had significantly worse survival than those with p53-negative tumors. There was also a significant worse survival in the patients with VEGF-positive tumors than those with VEGF-negative tumors. Moreover, the 5-year survival rate was lowest in the patients with p53-positive and VEGF-positive tumors, while it was highest in the patients with p53-negative and VEGF-negative tumors. In conclusion, both p53 and VEGF significantly correlated with tumor vascularity and prognosis in patients with gastric carcinoma.
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Affiliation(s)
- K Maeda
- First Department of Surgery, Osaka City University Medical School, Osaka, Japan
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Nakata B, Muguruma K, Hirakawa K, Chung YS, Yamashita Y, Inoue T, Matsuoka T, Onoda N, Kato Y, Sowa M. Predictive value of Bcl-2 and Bax protein expression for chemotherapeutic effect in gastric cancer. A pilot study. Oncology 1998; 55:543-7. [PMID: 9778621 DOI: 10.1159/000011910] [Citation(s) in RCA: 20] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
We investigated tissue staining for Bcl-2 and Bax proteins, which regulate apoptosis, as indicators of chemotherapeutic effect in patients with gastric cancer. In 23 patients with gastric carcinoma biopsy specimens were obtained endoscopically prior to chemotherapy and stained immunohistochemically with anti-Bcl-2 and anti-Bax antibodies. Patients then were treated with continuous infusion of 5-FU and cisplatin. No correlation was seen between chemotherapeutic effect and Bcl-2 or Bax alone. However, among the Bax-positive cases, the patients with Bcl-2-positive tumors were significantly more chemoresistant (p = 0.036) and had worse prognoses (p = 0.008) than Bcl-2-negative cases. Therefore, immunohistochemical staining for Bcl-2 protein may predict chemotherapeutic efficacy or guide specific therapeutic choices in treating Bax-positive tumors.
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Affiliation(s)
- B Nakata
- First Department of Surgery, Osaka City University Medical School, Osaka, Japan
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Nakata B, Chung KH, Kato Y, Yamashita Y, Onoda N, Maeda K, Sowa M. Thymidine phosphorylase activity in tumor correlates with venous invasion. Int J Mol Med 1998; 2:461-4. [PMID: 9857235 DOI: 10.3892/ijmm.2.4.461] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
Thymidine phosphorylase (dThdPase) is identical to platelet-derived endothelial cell growth factor (PD-ECGF), an angiogenesis factor. We investigated the correlation between dThdPase activity in gastric cancer tissue and clinicopathological factors. Thirty-three cancer tissue specimens and 23 adjacent normal gastric mucosal specimens were obtained from surgery. Measurement of dThdPase activity was based on the amount of 5-fluorouracil formed from 5'-deoxy-5-fluorouridine by dThdPase. Mean dThdPase activity in cancer tissue was approximately 3.2 times higher than that in normal tissue. Cancerous tissues with venous invasion had about twice the dThdPase activity as cancerous tissues without venous invasion. Other clinicopathological features were not related to dThdPase activity. A correlation between dThdPase activity and immunosuppressive acidic protein level was observed (r = 0.532, P = 0.005). dThdPase activity in gastric cancer cells was found to be correlated with venous invasion, supporting previous findings that it plays a role in tumor angiogenesis.
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Affiliation(s)
- B Nakata
- First Department of Surgery, Osaka City University Medical School, 1-4-3 Asahimachi, Abeno-ku, Osaka 545-8585, Japan
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Abstract
Granular cell tumor (GCT) in the duodenum is an extremely rare disease: only one case has been listed in a review, to date. We reported a 47-yr-old Japanese male case with GCT of the duodenum. Clinically, melena caused by bleeding from the tumor was the only symptom. The tumor cells showed abundant, granular eosinophilic cytoplasm. Although this tumor was clinically and histologically benign, highly developed tumor microvessels were demonstrated both angiographically and histologically, suggesting malignant potential of the tumor.
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Affiliation(s)
- N Onoda
- First Department of Surgery, Institute of Geriatrics and Medical Science, Osaka City University Medical School, Osaka, Japan
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