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RISS 인기검색어
- 검색키워드
- 저자 : Roberto Carlos Carrillo-Torres (검색결과 2 건)
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( Edoardo Torres-guerrero ),( Elisa Crystal Sanchez-moreno ),( Carlos Enrique Atoche-dieguez ),( Erika Margarita Carrillo-casas ),( Roberto Arenas ),( Juan Xicohtencatl-cortes ),( Rigoberto Hernandez- 대한피부과학회 2018 Annals of Dermatology Vol.30 No.5
Background: The causative agents of leprosy are the well-known Mycobacterium leprae and the newly discovered Mycobacterium lepromatosis. This agent was found in 2008, and it was found to be the cause of diffuse lepromatous leprosy in two Mexican patients. Objective: The objective of this work was to determine if M. leprae and M. lepromatosis were present in formalin-fixed and paraffin- embedded skin samples from cases from different regions in Mexico. Methods: A total of 41 skin samples were obtained from 11 states of Mexico. All patients’ samples were diagnosed by clinical and histopathological analyses. Total DNA was isolated using a Qiagen-DNeasy blood and tissue kit and molecular identification was achieved by two semi-nested polymerase chain reactions. Results: The 41 patient included 33 samples from men and 8 samples from women; 29 samples were polymerase chain reaction (PCR)-positive to Mycobacterium and 12 samples were PCR-negative. From those 29 samples, 13 were PCR-positive to M. leprae, 8 to M. lepromatosis and 8 were positive to both species. The histopathological diagnosis included; Nodular lepromatous leprosy (NLL); Diffuse lepromatous leprosy (DLL); and Borderline leprosy (BL). The 29 PCR-positive samples were classified as follow: 14 NLL, 4 DLL, and 11 BL. In the 12 samples negative to Mycobacterium, 7 showed the NLL, 2 DLL and 3 BL. Conclusion: These findings add evidence to the M. leprae and M. lepromatous distribution, clinical forms and participation of dual infections in Mexico. (Ann Dermatol 30(5) 562∼565, 2018)
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Alba Rita Valenzuela-Briseno,Jeanette Guadalupe Arredondo-D,Antonio Rascon-Careaga,Humberto stiazaran-Garcia,Agustin Gomez-Alvarez,Reynaldo Esquivel-Gonzalez,Roberto Carlos Carrillo-Torres,Enrique Alv 환경독성보건학회 2022 환경독성보건학회지 Vol.37 No.4
This study aimed to evaluate whether aluminum chloride (AlCl₃) causes hematological changes in the peripheral blood of Sprague–Dawley (SD) rats. Five groups of female SD rats were intragastrically administered with 4 different concentrations of AlCl₃ for 5 days a week for a total of 90 days. The aluminum concentration was determined via graphite furnace atomic absorption spectroscopy. Analysis of serum iron-kinetic profiles, blood cytometry outcomes, and blood smears of the blood samples. Scanning electron microscopy (SEM) and Raman spectroscopy were used to search for structural and ultrastructural changes, respectively. Blood aluminum concentration ranged 12.38-16.24 μg/L with no significant difference between experimental treatments. At the AlCl₃ concentration of 40 mg Al/kg bw of rats/day, the mean ferritin value in the serum iron kinetic profile was 29.81±6.1 ng/mL, and this value showed a significant difference between experimental treatments. Blood cytometry revealed that there were 6.45-7.11×10<SUP>6</SUP> cells/μL erythrocytes, 8.91-9.32×10³ cells/μL leukocytes, and 477.2-736.3×10³ cells/μL platelets along with a hemoglobin of 37.38-41.93 g/dL and hematocrit level of 37.38-41.93%; the experimental treatments showed no significant differences. Erythrocyte structural analysis using SEM showed no differences between experimental treatments, whereas ultrastructural evaluation using Raman spectroscopy made it possible to identify the following bands: 741, 1123, 1350, 1578, and 1618 cm<SUP>−1</SUP>, which were respectively associated with the following vibrational modes and compounds: vibration of the tryptophan ring, asymmetric C-O-C stretching of glucose, C-H curve of tryptophan, C=C stretching of the heme group, and C-N stretching of the heme group, with no significant differences between experimental treatments. Therefore, AlCl₃ administration does not induce ultrastructural changes in the erythrocyte membrane. This study revealed that serum ferritin concentration was the only parameter affected by AlCl₃ exposure at 40 mg of Al/kg bw of rats/day.
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