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  • 1
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    German Medical Science GMS Publishing House; Düsseldorf
    In:  Deutscher Kongress für Orthopädie und Unfallchirurgie; 73. Jahrestagung der Deutschen Gesellschaft für Unfallchirurgie, 95. Tagung der Deutschen Gesellschaft für Orthopädie und Orthopädische Chirurgie, 50. Tagung des Berufsverbandes der Fachärzte für Orthopädie; 20091021-20091024; Berlin; DOCPO17-326 /20091015/
    Publication Date: 2009-10-16
    Keywords: ddc: 610
    Language: English
    Type: conferenceObject
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  • 2
    Keywords: DISEASE ; UNITED-STATES ; JAPANESE POPULATION ; German ; SEQUENCE VARIANTS ; LOXL1 GENE POLYMORPHISMS ; PSEUDOEXFOLIATION SYNDROME ; GLAUCOMA
    Abstract: Exfoliation syndrome (XFS) is the most common recognizable cause of open-angle glaucoma worldwide. To better understand the etiology of XFS, we conducted a genome-wide association study (GWAS) of 1,484 cases and 1,188 controls from Japan and followed up the most significant findings in a further 6,901 cases and 20,727 controls from 17 countries across 6 continents. We discovered a genome-wide significant association between a new locus (CACNA1A rs4926244) and increased susceptibility to XFS (odds ratio (OR) = 1.16, P = 3.36 x 10(-11)). Although we also confirmed overwhelming association at the LOXL1 locus, the key SNP marker (LOXL1 rs4886776) demonstrated allelic reversal depending on the ancestry group (Japanese: ORA allele = 9.87, P = 2.13 x 10(-217); non-Japanese: ORA allele = 0.49, P = 2.35 x 10(-31)). Our findings represent the first genetic locus outside of LOXL1 surpassing genome-wide significance for XFS and provide insight into the biology and pathogenesis of the disease.
    Type of Publication: Journal article published
    PubMed ID: 25706626
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  • 3
    Publication Date: 2018-07-31
    Description: Background/Aim: The present study investigated the impact of the lymph node ratio (LNR) on survival and recurrence in patients with pancreatic cancer after curative surgery followed by adjuvant chemotherapy. Patients and Methods: This study included 189 patients who underwent curative surgery followed by adjuvant chemotherapy for pancreatic cancer between 2005 and 2014. The risk factors for overall survival (OS) and recurrence-free survival (RFS) were identified. Results: A lymph node ratio of 0.1 was considered to be the optimal cut-off point for classification based on the 3-year and 5-year survival rates. The OS rates at three and five years after surgery were 34.4% and 28.2% in the LNR 〈0.1 group, respectively, and 23.1% and 5.8% in the LNR ≥0.1 group, which amounted to a statistically significant difference (p=0.003). The RFS rates at one and three years after surgery were 26.6% and 20.5% in the LNR 〈0.1 group, respectively, and 8.0% and 0% in the LNR ≥0.1 group, which was a significant difference (p=0.001). A multivariate analysis demonstrated that the LNR was a significant independent risk factor for both the OS and RFS. Conclusion: The LNR was a risk factor for overall survival in patients who underwent curative surgery followed by adjuvant chemotherapy for pancreatic cancer. It is necessary to develop strategies to effectively utilize the lymph node metastasis status.
    Print ISSN: 0250-7005
    Electronic ISSN: 1791-7530
    Topics: Medicine
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  • 4
    Publication Date: 2018-03-06
    Description: Background/Aim: Past studies have suggested that adjuvant capecitabine and oxaliplatin (CAPOX) provides decreased tumor relapse and longer survival in patients with curatively resected colon cancer. We report the first evidence of the feasibility of adjuvant CAPOX in Japanese patients with early colon cancer. Patients and Methods: Eligible patients had histologically-confirmed stage II/III colon cancer and received curative resection. The primary endpoint was completion rate of treatment after 8 cycles of adjuvant CAPOX. Results: Thirty-six patients were enrolled in this study. The completion rate of CAPOX and oxaliplatin were 77.8% and 61.1%, respectively. The incidence of grade ≥3 adverse events was neutropenia (n=6), thrombocytopenia (n=3), nausea (n=5), hand-foot syndrome (n=1) and peripheral sensory neuropathy (n=1). Three-year disease-free survival for stage II patients and stage III patients were 100% and 79.3%, respectively. Conclusion: Adjuvant CAPOX can be safely administered to Japanese patients with stage II/III colon cancer.
    Print ISSN: 0250-7005
    Electronic ISSN: 1791-7530
    Topics: Medicine
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  • 5
    ISSN: 1432-1041
    Keywords: alpha-adrenergic blocker ; hypertension ; blood pressure ; pulse rate ; noradrenaline ; plasma renin activity ; plasma aldosterone ; dopamine-beta-hydroxylase ; E-643
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Notes: Summary To determine whether E-643, a new α-blocking agent, would reduce the blood pressure, regardless of the posture, a 1 mg dose was given 3 times daily for 7 consecutive days, to 8 male and 7 female inpatients, aged 37–73 years, with essential hypertension. Blood pressure and pulse rate were measured daily in the supine, sitting and standing positions. Before and after the treatment with E-643, plasma levels of noradrenaline, adrenaline, dopamine-β-hydroxylase, renin and aldosterone were determined, samples being obtained with the subjects recumbent and after standing upright for 60 min. A significant reduction in the systolic and diastolic blood pressures was evident in the supine (172±31/100±12 → 151±28/89±14 mmHg), sitting (158±22/101±11 → 138±28/89±15 mmHg) and standing (153±32/103±21 → 129±31/89±20 mmHg) positions. The reduction in blood pressure remained unchanged throughout the period of administration of E-643. Pulse rate was not affected when the subjects were supine (67±10 → 69±10 beats/min), but was increased in the sitting (68±10 → 73±9 beats/min) and standing (73±10 → 81±11 beats/min) positions. The increased pulse rate tended to decline during continued administration of E-643. Treatment with E-643 produced no significant change in plasma levels of adrenaline, noradrenaline, dopamine-β-hydroxylase, renin and aldosterone. The antihypertensive effect of treatment was more prominent in the patients with higher levels of plasma catecholamines and dopamine-β-hydroxylase, and was less prominent in those with higher plasma renin and aldosterone. Two patients had temporary bouts of dizziness and visual disturbances, but there were no subjective complaints during treatment.
    Type of Medium: Electronic Resource
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  • 6
    ISSN: 1432-0533
    Keywords: Key words Protamine ; Blood-brain barrier ; Endogenous albumin ; Immunocytochemistry ; Morphometry
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The cellular mechanisms of blood-brain barrier (BBB) opening to endogenous albumin in the mouse brain after intracarotid infusion of solutions of protamine free base (PB) or protamine sulfate (PS) were studied using quantitative immunocytochemistry. Ultrathin sections of brain samples embedded at low temperature in Lowicryl K4M were exposed to anti-mouse albumin antiserum followed by protein A-gold. Using morphometry, the density of immunosignals (gold particles per μm2) was recorded over four compartments: vascular lumen, endothelial profiles, subendothelial space (including the basement membrane), and brain parenchyma (neuropil). In addition, the adsorption of endogenous albumin evidenced by the number of gold particles per μm of the endothelial luminal plasmalemma was quantitatively evaluated. In the applied experimental conditions, PB was found to be strongly cytotoxic as indicated by the appearance of rapid degenerative changes and the disruption of the endothelial lining with concomitant clumping of the blood plasma. The action of PS was milder, offering a better opportunity for detailed ultrastructural and morphometric examination of brain samples during consecutive steps of PS action (2, 5, 10 and 30 min). As early as 10 min after infusion of PS solution, the adsorption of blood plasma albumin to the endothelial luminal surface was increased 2.5 times. Simultaneously, the immunolabelling of the endothelial profiles and subendothelial space was significantly increased. These results suggest that BBB disruption occurs through enhanced adsorption of albumin or albumin-protamine complexes to the luminal plasmalemma, followed by transendothelial vesicular transport, rather than through modification of interendothelial junctional complexes. This process appears to be focally disseminated throughout the cerebral vascular network and declines at 30 min following infusion of PS solution.
    Type of Medium: Electronic Resource
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  • 7
    ISSN: 1432-0533
    Keywords: Protamine ; Blood-brain barrier ; Endogenous albumin ; Immunocytochemistry ; Morphometry
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The cellular mechanisms of blood-brain barrier (BBB) opening to endogenous albumin in the mouse brain after intracarotid infusion of solutions of protamine free base (PB) or protamine sulfate (PS) were studied using quantitative immunocytochemistry. Ultrathin sections of brain samples embedded at low temperature in Lowicryl. K4M were exposed to anti-mouse albumin antiserum followed by protein A-gold. Using morphometry, the density of immunosignals (gold particles per μm2) was recorded over four compartments: vascular lumen, endothelial profiles, subendothelial space (including the basement membrane), and brain parenchyma (neuropil). In addition, the adsorption of endogenous albumin evidenced by the number of gold particles per μm of the endothelial luminal plasmalemma was quantitatively evaluated. In the applied experimental conditions, PB was found to be strongly cytotoxic as indicated by the appearance of rapid degenerative changes and the disruption of the endothelial lining with concomitant clumping of the blood plasma. The action of PS was milder, offering a better opportunity for detailed ultrastructural and morphometric examination of brain samples during consecutive steps of PS action (2, 5, 10 and 30 min). As early as 10 min after infusion of PS solution, the adsorption of blood plasma albumin to the endothelial luminal surface was increased 2.5 times. Simultaneously, the immunolabelling of the endothelial profiles and subendothelial space was significantly increased. These results suggest that BBB disruption occurs through enhanced adsorption of albumin or albumin-protamine complexes to the luminal plasmalemma, followed by transendothelial vesicular transport, rather than through modification of interendothelial junctional complexes. This process appears to be focally disseminated throughout the cerebral vascular network and declines at 30 min following infusion of PS solution.
    Type of Medium: Electronic Resource
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  • 8
    ISSN: 1432-0533
    Keywords: Key words Aging ; Blood-brain barrier ; Horseradish peroxidase ; Senescence-accelerated mouse ; Ultrastructure
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The ultrastructural features of microvessels showing increased permeability to intravenously injected horseradish peroxidase (HRP) were examined in the olfactory bulbs of senescence-accelerated prone mice (SAMP8), which showed age-related deficits in learning and memory, and senescence-accelerated resistant mice (SAMR1), which did not show the age-related deficits. HRP was visualized with tetramethyl benzidine (TMB) and diaminobenzidine (DAB) for light and electron microscopic examination, respectively. In the olfactory bulbs of 13-month-old SAMP8 mice, the staining reaction with TMB for HRP appeared in the neuropil of central area (granule cell layer and subependymal layer), in the pia mater and in the vascular wall. Some vessels located in the central area showed several changes observed at the ultrastructural level. The cytoplasm of the endothelial cells, especially in the arterioles, was segmentally thickened and contained numerous vesicles and vacuoles, some of which were HRP positive. The endothelial cell surface was occasionally undulated with microvillous protrusions. Membranous inclusions within the basal lamina, suggesting the cellular (presumably pericytal) degeneration, were frequently observed, especially in venules. The collagen deposits were occasionally observed in the subendothelial space of some vessels. Perivascular cells with vacuolated inclusions or lipid-like droplets were present around some vessels in the central area of the olfactory bulbs of aged SAMP8 mice. On the other hand, in the microvessels located in the areas negative for HRP-TMB reaction, except the vessel walls, the cytoplasm of the endothelial cells with smooth luminal surface was flattened and some vesicles located there contained HRP-DAB reaction product. Weak staining reaction with TMB for HRP appeared also in the central area of the olfactory bulbs of 3-month-old SAMP8 mice and 3- and 13-month-old SAMR1 mice. The cytoplasm of the endothelial cells in the olfactory bulbs of these mice was focally thickened and contained some cytoplasmic vesicles. Occasionally, the endothelial cell surface was moderately undulated with few microvillous protrusions. Membranous inclusions within the basal lamina were not observed in these animals. These findings indicate that the endothelial cells and pericytes in some vessels located in the central area of the olfactory bulb of aged SAMP8 mice, which show staining reaction with TMB for HRP, are ultrastructurally changed, suggesting their altered functions.
    Type of Medium: Electronic Resource
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  • 9
    ISSN: 1432-1084
    Keywords: Key words: Amyloidosis ; Lung ; Solitary ; Pulmonary amyloidoma ; MRI ; CT
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract. Pulmonary amyloidoma is a rare disease which is usually found incidentally on chest radiographs in asymptomatic, elderly people. Amyloid nodules may be solitary or much more commonly multiple. There have been many reports of radiological findings of pulmonary amyloidosis; however, those have not been characteristic. We report the findings on CT and MRI of a proven primary pulmonary amyloidoma in an asymptomatic 76-year-old woman. The low intensity of the lesion on T2-weighted images may be useful in the differential diagnosis from bronchogenic carcinoma.
    Type of Medium: Electronic Resource
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  • 10
    ISSN: 1434-3916
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract A 33-year-old woman underwent an uncemented bipolar hip arthroplasty for osteoarthrosis of the left hip in 1985. Because of painful aseptic loosening, the bipolar implant was revised to a total hip prothesis in 1994. Membranous tissues around the implant histologically presented foreign-body reaction against polyethylene debris. The retrieved implant showed polyethylene wear of the rim of the bipolar cup. Three-dimensional measurement of the surface configuration of the polyethylene of the cup indicated that wear debris had been generated almost exclusively from femoral bipolar neck-cup impingement. Volumetric wear in the articulating dome portion of the polyethylene was negligible. This report clearly illustrates how impingement of a bipolar cup on the femoral neck can be a major source of polyethylene wear debris which induces femoral osteolysis and subsequent stem loosening.
    Type of Medium: Electronic Resource
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