Valdir cruz biography of abraham
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Abstract
Population dynamics, ancestry relationships, social organization and phenotypic traits are fundamental aspects of the indigenous bio-cultural past that can be studied by archaeology. Here we contribute to these topics through two new disciplines that complement each other: virtual anthropology and archaeogenomics. The following archaeological questions will be addressed: internal homogeneity and relationship with post-colonial Amerindians of groups associated with pottery of the Incised-Rim Tradition and of the Aratu Tradition, demographic origin of the non-agricultural chiefdoms of Marajó Island, presence of the australo-asiatic signal (i.e. Y population) among groups inhabiting the fluvial shell middens of the Guaporé region in the state of Rondônia (east Amazonia), populational structure in the coastal shell middens of South and Southeast Brazil, relationship of coastal and fluvial shell middens, demic implications of the arrival of ceramists to the coast by the end of the Holocene, consanguinity relationships between individuals integrating 'afinities groups' in shell middens of Santa Catarina, and the ancestry relationship between early Paleoamericans and late Amerindians. Virtual anthropology unites three-dimensional modeling and high-resolution geometric mo
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Memórias do Instituto Oswaldo Cruz, Volume: , Issue: 6, Published:
| Articles Immunological and parasitological parameters after treatment with dexamethasone in murine Schistosoma mansoniAly, Ibrahim RBHendawy, Mohamed AAli, EmanHassan, EmanNosseir, Mona MF Abstract in English: This work aimed to evaluate the effect of diphenyl dimethyl bicarboxylate (DDB) and dexamethasone alone and in combination with praziquantel on various parasitological, immunological and pathological parameters reflecting disease severity and morbidity in murine schistosomiasis. DDB and dexamethasone had no effect on worm burden but altered tissue egg distribution. This indicates that, under the schedule used, neither drug interfered with the development of adult worms or oviposition, but both can modulate liver pathology. Dexamethasone resulted in a greater reduction in granuloma size than did DDB. Dexamethasone-treated mice also showed lower levels of serum gamma interferon (IFN-γ), interleukin (IL) and IL-4, together with higher IL levels, than infected untreated control animals. These data suggest that dexamethasone is a convenient and promising coadjuvant agent that results in decreased morbidit |