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  • 1
    ISSN: 1520-5126
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1420-908X
    Keywords: Key words: Rutaecarpine —Evodia rutaecarpa— Cyclooxygenase-2 inhibitor — Bone marrow-derived mast cells (BMMC) — Anti-inflammation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract. Objective and Design: We investigated the effect of a new class of COX-2 inhibitor, rutaecarpine, on the production of PGD2 in bone marrow derived mast cells (BMMC) and PGE2 in COX-2 transfected HEK293 cells. Inflammation was induced by γ-carrageenan in male Splague-Dawley (SD) rats.¶Material: Rutaecarpine (8,13-Dihydroindolo[2',3':3,4]pyridol[2,1-b]quinazolin-5(7H)-one) was isolated from the fruits of Evodia rutaecarpa. BMMC were cultured with WEHI-3 conditioned medium. c-Kit ligand and IL-10 were obtained by their expression in baculovirus.¶Methods: The generation of PGD2 and PGE2 were determined by their assay kit. COX-1 and COX-2 protein and mRNA expression was determined by BMMC in the presence of KL, LPS and IL-10.¶Treatment: Rutaecarpine and indomethacin dissolved in 0.1% carboxymethyl cellulose was administered intraperitoneally and, 1h later, γ-carrageenan solution was injected to right hind paw of rats. Paw volumes were measured using plethysmometer 5h after γ-carrageenan injection.¶Results: Rutaecarpine inhibited COX-2 and COX-1 dependent phases of PGD2 generation in BMMC in a concentration-dependent manner with an IC50 of 0.28 μM and 8.7 μM, respectively. It inhibited COX-2-dependent conversion of exogenous arachidonic acid to PGE2 in a dose-dependent manner by the COX-2-transfected HEK293 cells. However, rutaecarpine inhibited neither PLA2 and COX-1 activity nor COX-2 protein and mRNA expression up to the concentration of 30 μM in BMMC, indicating that rutaecarpine directly inhibited COX-2 activity. Furthermore, rutaecarpine showed in vivo anti-inflammatory activity on rat γ-carrageenan induced paw edema by intraperitoneal administration.¶Conclusion: Anti-inflammatory activity of Evodia rutaecarpa could be attributed at least in part by inhibition of COS-2.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1432-0533
    Keywords: Brain tumor ; Rhabdomyosarcoma ; Immunohistochemistry ; Ultrastructure ; Cerebral paragonimiasis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary A necropsy case of a primary rhabdomyosarcoma with chronic paragonimiasis in the cerebrum of a 68-year-old man is reported. The clinical data showed a right hemiplegia and dysarthria which became lethal in 6 months even though operation and radiation therapy were performed. Computed tomography revealed a large low-density area associated with the peripheral enhancement in the left basal ganglia, and multiple conglomerated calcified masses in the left temporal and occipital lobes. Biopsied and necropsied materials of the tumor in the basal ganglia was reddish brown in color and histologically was composed of purely mesenchymal derivatives with both embryonal and mature striated muscle cells but neither neuronal nor glial elements. Some of the tumor cells with extending slender cytoplasms showed obvious cross striations at the light and electron microscope levels and immunohistochemical reactivity for myoglobin. All tumor cells were also positive for vimentin, but not for glial fibrillary acidic protein. The clinical and necropsy findings revealed no primary lesion anywhere but in the brain. In addition, numerous dead oval eggs ofParagonimus westermani were found in many cystoid lesions encapsulated by thick connective tissues with calcification and/or ossification. Clinicopathological features of 24 cases of primary rhabdomyosarcoma of the central nervous system reported in the literature are reviewed briefly. The histogenesis of this tumor are discussed together with comments on cerebral paragonimiasis.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    European journal of pediatrics 152 (1993), S. 605-608 
    ISSN: 1432-1076
    Keywords: Carbamazepine ; Adverse reactions ; Epilepsy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The clinical and epidemiological findings in children with epilepsy who experienced skin rashes induced by carbamazepine (CBZ) were prospectively evaluated. Thirty-three (9.9%) of 335 patients who received CBZ therapy experienced a skin rash. Seven had diffuse erythema, 13 miliary exanthema, 11 maculopapular or speckled reddish rash, 3 petechiae, and 2 mucocutaneous syndrome. A skin rash was more frequent in older children (over 6 years old). The skin rashes appeared soon after initiation of the therapy, i.e., from the 8th to 60th day (mean: 14.3±9.6 days) after the start of CBZ therapy and disappeared within a few days after discontinuation of the therapy. Haematological abnormalities (30.3%), such as leucocytopenia and thrombocytopenia, and hepatic dysfunction (27.3%) sometimes appeared concomitantly with the skin rash. CBZ is an effective and safe antiepileptic drug, but careful management is necessary on initiation of the therapy.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    s.l. ; Stafa-Zurich, Switzerland
    Materials science forum Vol. 255-257 (Sept. 1997), p. 351-353 
    ISSN: 1662-9752
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    s.l. ; Stafa-Zurich, Switzerland
    Materials science forum Vol. 255-257 (Sept. 1997), p. 330-332 
    ISSN: 1662-9752
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
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  • 7
    ISSN: 1468-2494
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Following direct exposure to sunlight while pursuing leisure activities, many have noticed a strong sense of fatigue in the evening. In this regard, our results of a survey of awareness showed that the development of fatigue from solar exposure of the body was generally recognized. On the other hand, a tool for objective and quantitative determination of mental fatigue has recently been reported. Known as the Advanced Trail Making Test (ATMT), it is a method of evaluating brain function. In the present study, we attempted to determine fatigue development caused by exposure of the human body to solar radiation using ATMT results. For 3 days in the summer season, 15 male subjects (26–41 years old) received exposure to the sun equivalent to 100 kJ cm−2 of ultraviolet radiation three to four times each day. During the periods of exposure, the subjects wore short-sleeved shirts and short pants, and covered their heads with a towel. Following the 3-day period, they were divided into two groups based on their subjective evaluation of a sense of tiredness, fatigued (n = 10) and non-fatigued (n = 5). In the fatigued group, a significant increase in the subjective score for fatigue sense was observed in the evening of all 3 days following sun exposure, as well as in the morning of the third day, as compared with those in the non-fatigued group. Further, a significant increase in average ATMT value was also observed in the fatigued group in the evening of the first and second days following sun exposure, as well as in the morning of the third day. These results indicate that ATMT may be a useful evaluation tool for quantitative and objective measurement of mental fatigue caused by exposure to sunlight.
    Type of Medium: Electronic Resource
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  • 8
    ISSN: 1468-2494
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Sun exposure during leisure activity evokes fatigue. We employed the Advanced Trail Making Test (ATMT), a recently developed objective method of evaluating brain function performance used to measure mental fatigue, for objective determination of fatigue development caused by solar exposure to the human body. First, a survey of consumer awareness was performed, and fatigue development from solar exposure was generally recognized in both summer and spring. In the field test, 15 males (26–41 years old) received sun exposure equivalent to 100 kJ m−2 of ultraviolet radiation three to four times each day for 3 days, during which the subjects wore a short sleeve shirt and a short pant, and covered their head with a towel. A significant increase in scores for subjective sense of fatigue was observed in the evening of all 3 days following sun exposure and on the fourth day, which had no exposure, as well as in the morning of the third and fourth days, as compared with those periods during the control week, which did not have experimental solar exposure. ATMT showed a significant increase in average value in the evening of the first and second days following sun exposure, as well as in the morning of the third and fourth days. In addition, increases in body temperature and heart rate were observed during the exposure periods. The results of multiple regression analysis of subjective feelings showed that fatigue caused by solar exposure was qualitatively different from that in the control week. These results suggest that brain function performance declined following solar exposure as did fatigue development. ATMT results may be useful for quantitative and objective evaluation of mental fatigue caused by sun exposure, along with development of sun care products for the prevention of solar-caused fatigue.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 67 (2002), S. 0 
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: : Various in vitro assays of active oxygen-scavenging activity in foods were compared by evaluating the activity of 13 food phenolic compounds and Trolox. 1,1-Diphenyl-2-picrylhydrazyl (DPPH)-HPLC and liposome oxidation methods were sensitive for these compounds, while deoxyribose oxidation and Randox kit methods were less sensitive. The deoxyguanosine oxidation method could not determine the activity since food polyphenols were pro-oxidative in this assay. Among these assays, the DPPH-HPLC method was shown to be the best since the liposome oxidation method is affected more by the structure of phenolic compounds than the DPPH-HPLC method.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Oxford, UK; Malden, USA : Munksgaard International Publishers
    Experimental dermatology 13 (2004), S. 0 
    ISSN: 1600-0625
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Abstract:  The N-methyl-D-aspartate (NMDA) receptor is expressed on neural tissue where it gates calcium ion entry upon stimulation. Using immunohistochemistry, it has been demonstrated in this study that the NMDAR1 receptor is also expressed on keratinocytes (KCs) in normal human skin and inflamed psoriatic skin in vivo. Furthermore, the NMDA receptor was functional as demonstrated by the ability of this receptor to trigger Ca++ influx in KCs. Incubation of cultured, human KCs with MK-801 decreases the cell growth and induces an increase in apoptosis. These findings demonstrate that the KC expression of NMDA receptor is a mechanism through which the influx of Ca++ into the cell can be regulated and suggest that the expression of this receptor may play a role in the regulation of KC growth and differentiation.
    Type of Medium: Electronic Resource
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