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RISS 인기검색어
- 검색키워드
- 저자 : Mario Bernardo-Filho (검색결과 2 건)
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Vasco Senna-Fernandes,Daisy L França,Kelly CM Santos,Rafael S Sousa,Dilson Silva,Célia M Cortez,Mario Bernardo-Filho,Marco AM Guimarães 사단법인약침학회 2009 Journal of Acupuncture & Meridian Studies Vol.2 No.2
Objectives: A study was performed on the effects of stimulation at Zusanlipoint (ST.36) by electroacupuncture (EA) at two frequencies on the bioavailability of 99mTc-sodium pertechnetate (Na99mTcO4) in rats. Methods: Forty Wistar rats were divided into four groups: untreated control, treated by manual acupuncture at ST.36 bilaterally, treated by EA at 2 Hz at ST.36 bilaterally, and the same site at 100 Hz bilaterally. Na99mTcO4 (7.4 MBq) was administrated via the ocular-plexus and, 20 minutes before sacrifice, blood was withdrawn for radiolabeling assay (BRL). In the bioavailability analysis, organs and tissues were isolated, their radioactivity determined, and the percentage of injected dose per gram of organ or tissue (%ID/g) and the %ID were calculated for each organ or tissue (%ID/ot). For BRL, the plasma and blood cells isolated, and the fractions also precipitated with 5% trichloroacetic acid to separate the soluble and insoluble fractions; these were assessed as percentage of injected dose (%ID) in blood (%ID/b). Results: The results showed significant differences in the %ID/g in some organs and tissues in comparison with controls; lung (p = 0.0013), spleen (p = 0.0085), pancreas (p = 0.0167), liver (p = 0.0003), stomach (p < 0.0001), small-intestine (p = 0.0181), large-intestine (p = 0.04099), urinary-bladder (p = 0.0271), thyroid (p < 0.0001), muscle (p = 0.0187); %ID/ot in spleen (p = 0.0349); and %ID/b in blood sample (p = 0.0235). In the blood labeling analyses, EA in either frequency significantly increased insoluble fraction/blood cells (p < 0.0001). Objectives: A study was performed on the effects of stimulation at Zusanlipoint (ST.36) by electroacupuncture (EA) at two frequencies on the bioavailability of 99mTc-sodium pertechnetate (Na99mTcO4) in rats. Methods: Forty Wistar rats were divided into four groups: untreated control, treated by manual acupuncture at ST.36 bilaterally, treated by EA at 2 Hz at ST.36 bilaterally, and the same site at 100 Hz bilaterally. Na99mTcO4 (7.4 MBq) was administrated via the ocular-plexus and, 20 minutes before sacrifice, blood was withdrawn for radiolabeling assay (BRL). In the bioavailability analysis, organs and tissues were isolated, their radioactivity determined, and the percentage of injected dose per gram of organ or tissue (%ID/g) and the %ID were calculated for each organ or tissue (%ID/ot). For BRL, the plasma and blood cells isolated, and the fractions also precipitated with 5% trichloroacetic acid to separate the soluble and insoluble fractions; these were assessed as percentage of injected dose (%ID) in blood (%ID/b). Results: The results showed significant differences in the %ID/g in some organs and tissues in comparison with controls; lung (p = 0.0013), spleen (p = 0.0085), pancreas (p = 0.0167), liver (p = 0.0003), stomach (p < 0.0001), small-intestine (p = 0.0181), large-intestine (p = 0.04099), urinary-bladder (p = 0.0271), thyroid (p < 0.0001), muscle (p = 0.0187); %ID/ot in spleen (p = 0.0349); and %ID/b in blood sample (p = 0.0235). In the blood labeling analyses, EA in either frequency significantly increased insoluble fraction/blood cells (p < 0.0001).
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Jacques Natan Grinapel Frydman,Vanessa Camara Rocha,Monica Oliveira Benarroz,Gabrielle Souza Rocha,Márcia Oliveira Pereira,Adenilson de Souza da Fonseca,Mario Bernardo-Filho 한국식품영양과학회 2008 Journal of medicinal food Vol.11 No.4
Effects of a Cordia salicifolia (porangaba) extract on the labeling of blood cells (BCs) with technetium-99m (99mTc) and on the morphology of red BCs were evaluated. Labeling of cellular and molecular structures with 99mTc depends on a reducing agent. Some physical characteristics, as visible absorbance spectrum, electric conductivity, and refractive index of this porangaba extract, were also determined. Blood samples from Wistar rats were incubated with porangaba extract or with 0.9% NaCl (control). Labeling of blood constituents with 99mTc was performed. Plasma (P) and BCs, both soluble (SF-P and SF-BC) and insoluble (IF-P and IF-BC) fractions, were separated. The radioactivity in each fraction was counted, and the percentage of radioactivity incorporated (%ATI) was calculated. Blood smears were prepared, fixed, and stained, and the morphology of the red BCs was evaluated. Data showed an absorbance peak at 480 nm and electric conductibility and refractive index concentration-dependent. Porangaba extract decreased significantly (P < .05) the BC, IF-P, and IF-BC %ATI, and no modifications were verified on the shape of red BCs. Analysis of the results reveals that some physical parameters could be useful to aid in characterizing the extract studied. Moreover, it is possible that chemical compounds of this extract could have chelating/redox actions or be capable of binding to plasma and/or cellular proteins.
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