Correlation between histopathological and FT-Raman spectroscopy analysis of the liver of Swiss mice infected with Paracoccidioides brasiliensis.
Paracoccidioidomycosis is the most important systemic mycosis in Latin America. The main entrance of the fungus is the airway. It primarily occurs in the lung, but in its disseminated form may affect any organ. The liver is one of the organs afflicted by this disease and its homeostasis may be impai...
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oai:doaj.org-article:d1ad477487c8496099832272a39bd9ef2021-11-25T06:02:12ZCorrelation between histopathological and FT-Raman spectroscopy analysis of the liver of Swiss mice infected with Paracoccidioides brasiliensis.1932-620310.1371/journal.pone.0106256https://doaj.org/article/d1ad477487c8496099832272a39bd9ef2014-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/25181524/?tool=EBIhttps://doaj.org/toc/1932-6203Paracoccidioidomycosis is the most important systemic mycosis in Latin America. The main entrance of the fungus is the airway. It primarily occurs in the lung, but in its disseminated form may affect any organ. The liver is one of the organs afflicted by this disease and its homeostasis may be impaired. The aim of the present study was to evaluate the evolution of paracoccidioidomycosis in the liver of Swiss mice and correlate morphological factors with the expression of gp43 and with physicochemical analysis via FT-Raman of the infected organ. According to colony forming unit (CFU) and granuloma counting, the first and second weeks were the periods when infection was most severe. Tissue response was characterized by the development of organized granulomas and widespread infection, with yeasts located within the macrophages and isolated hepatocytes. The gp43 molecule was distributed throughout the hepatic parenchyma, and immunostaining was constant in all observed periods. The main physicochemical changes of the infected liver were observed in the spectral ranges between 1700-1530 cm(-1) and 1370-1290 cm(-1), a peak shifting center attributed to phenylalanine and area variation of -CH2 and -CH3 compounds associated to collagen, respectively. Over time, there was a direct proportional relationship between the number of CFUs, the number of granulomas and the physicochemical changes in the liver of mice infected with Paracoccidioides brasiliensis. The expression of gp43 was similar in all observed periods.Elaine Sciuniti Benites MansanoGutierrez Rodrigues de MoraisEdilaine Martins MorattoFrancielle SatoAntonio Medina NetoTerezinha Ines Estivalet SvidzinskiMauro Luciano BaessoLuzmarina HernandesPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 9, Iss 9, p e106256 (2014) |
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Medicine R Science Q Elaine Sciuniti Benites Mansano Gutierrez Rodrigues de Morais Edilaine Martins Moratto Francielle Sato Antonio Medina Neto Terezinha Ines Estivalet Svidzinski Mauro Luciano Baesso Luzmarina Hernandes Correlation between histopathological and FT-Raman spectroscopy analysis of the liver of Swiss mice infected with Paracoccidioides brasiliensis. |
| description |
Paracoccidioidomycosis is the most important systemic mycosis in Latin America. The main entrance of the fungus is the airway. It primarily occurs in the lung, but in its disseminated form may affect any organ. The liver is one of the organs afflicted by this disease and its homeostasis may be impaired. The aim of the present study was to evaluate the evolution of paracoccidioidomycosis in the liver of Swiss mice and correlate morphological factors with the expression of gp43 and with physicochemical analysis via FT-Raman of the infected organ. According to colony forming unit (CFU) and granuloma counting, the first and second weeks were the periods when infection was most severe. Tissue response was characterized by the development of organized granulomas and widespread infection, with yeasts located within the macrophages and isolated hepatocytes. The gp43 molecule was distributed throughout the hepatic parenchyma, and immunostaining was constant in all observed periods. The main physicochemical changes of the infected liver were observed in the spectral ranges between 1700-1530 cm(-1) and 1370-1290 cm(-1), a peak shifting center attributed to phenylalanine and area variation of -CH2 and -CH3 compounds associated to collagen, respectively. Over time, there was a direct proportional relationship between the number of CFUs, the number of granulomas and the physicochemical changes in the liver of mice infected with Paracoccidioides brasiliensis. The expression of gp43 was similar in all observed periods. |
| format |
article |
| author |
Elaine Sciuniti Benites Mansano Gutierrez Rodrigues de Morais Edilaine Martins Moratto Francielle Sato Antonio Medina Neto Terezinha Ines Estivalet Svidzinski Mauro Luciano Baesso Luzmarina Hernandes |
| author_facet |
Elaine Sciuniti Benites Mansano Gutierrez Rodrigues de Morais Edilaine Martins Moratto Francielle Sato Antonio Medina Neto Terezinha Ines Estivalet Svidzinski Mauro Luciano Baesso Luzmarina Hernandes |
| author_sort |
Elaine Sciuniti Benites Mansano |
| title |
Correlation between histopathological and FT-Raman spectroscopy analysis of the liver of Swiss mice infected with Paracoccidioides brasiliensis. |
| title_short |
Correlation between histopathological and FT-Raman spectroscopy analysis of the liver of Swiss mice infected with Paracoccidioides brasiliensis. |
| title_full |
Correlation between histopathological and FT-Raman spectroscopy analysis of the liver of Swiss mice infected with Paracoccidioides brasiliensis. |
| title_fullStr |
Correlation between histopathological and FT-Raman spectroscopy analysis of the liver of Swiss mice infected with Paracoccidioides brasiliensis. |
| title_full_unstemmed |
Correlation between histopathological and FT-Raman spectroscopy analysis of the liver of Swiss mice infected with Paracoccidioides brasiliensis. |
| title_sort |
correlation between histopathological and ft-raman spectroscopy analysis of the liver of swiss mice infected with paracoccidioides brasiliensis. |
| publisher |
Public Library of Science (PLoS) |
| publishDate |
2014 |
| url |
https://doaj.org/article/d1ad477487c8496099832272a39bd9ef |
| work_keys_str_mv |
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