Elís Rosélia Dutra de Freitas Siqueira Silva

ORCID: 0000-0003-3450-1244
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About
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Research Areas
  • Leptospirosis research and findings
  • Mesenchymal stem cell research
  • Pluripotent Stem Cells Research
  • Tissue Engineering and Regenerative Medicine
  • Electrospun Nanofibers in Biomedical Applications
  • Ichthyology and Marine Biology
  • Renal and related cancers
  • Silk-based biomaterials and applications
  • Animal Genetics and Reproduction
  • Plant-Derived Bioactive Compounds
  • Zoonotic diseases and public health
  • Food Safety and Hygiene
  • Viral Infections and Vectors
  • Radiation Dose and Imaging
  • Fish biology, ecology, and behavior
  • biodegradable polymer synthesis and properties
  • Comparative Animal Anatomy Studies

Centro Universitário UNINOVAFAPI
2024

Centro Universitário SATC
2024

Universidade Federal do Piauí
2017-2023

Universidade Estadual do Piau
2020

Leptospirosis is a worldwide zoonosis whose transmission interlinked by multiple factors in the man-animal-ecosystem interface. This study aimed to evaluate risk for occurrence of anti-Leptospira antibodies dogs capital Teresina (PI), and determine their spatial distribution. Five hundred fifty-eight dog blood samples were submitted Microscopic Serum Agglutination (MSA) test. We applied semi-structured questionnaires owners obtained area residence projection geographical maps. prevalence was...

10.1590/1413-81232018235.19532016 article PT Ciência & Saúde Coletiva 2018-05-01

A leptospirose é uma doença sistêmica causada por bactéria Leptospira spp. que afeta seres humanos, animais domésticos e selvagens. O presente trabalho investigou a presença de anticorpos anti-Leptospira na população canina da cidade Teresina-Piauí, os respectivos sorovares predominantes. Amostras sangue 425 cães foram coletadas no Centro Controle Zoonoses Teresina, período julho 2010 janeiro 2012, submetidas à prova Soroaglutinação Microscópica (SAM). Este estudo encontrou taxa infecção...

10.11606/issn.1678-4456.bjvras.2017.110588 article PT cc-by-nc Brazilian Journal of Veterinary Research and Animal Science 2017-05-19

The Brazilian Buriti oil presents low extraction costs and relevant antioxidant properties. Thus, this work aimed to analyze biomaterial (BB), within its physicochemical properties, biocompatibility cellular integration, with the purpose use as a growth matrix for Goat Wharton’s jelly mesenchymal stem cells. Biomaterials were produced from polymer (Mauritia flexuosa), it’s characterization performed Infrared Region Spectroscopy (FTIR) Thermogravimetric Analysis (TG DTG). biointegration was...

10.1590/1984-3143-ar2023-0071 article EN cc-by Animal Reproduction 2023-01-01

Medicinal signaling cells (MSC) hold promise for regenerative medicine due to their ability repair damaged tissues. However, effectiveness can be affected by how long they are cultured in the lab. This study investigated passage number influences key properties of pig bone marrow MSC. The medicinal signiling derived from (BM-MSC) were D-MEM High Glucose supplemented with 15% foetal bovine serum until 25th and assessed growth, viability, differentiate into different cell types (plasticity),...

10.1139/cjpp-2023-0458 article EN Canadian Journal of Physiology and Pharmacology 2024-08-27

In vitro senescence of multipotent cells has been commonly associated with DNA damage induced by oxidative stress. These changes may vary according to the sources production and studied lineages, which raises questions about effect growing time on genetic stability. This study is aimed at evaluating evolution stability, viability, stress bone marrow mesenchymal stem (MSCBMsu) renal progenitor cortex (RPCsu) swine (Sus scrofa domesticus) in culture passages. P2, P5, P9 were used for MSCBMsu...

10.1155/2020/6470574 article EN Oxidative Medicine and Cellular Longevity 2020-07-10

The agouti has been used as an experimental model in several studies focused on reproductive biology. umbilical cord, embryonic attachment that connects the foetus to placenta, reported important anatomical site for obtaining stem cells. objective of this study was describe macro- and microscopically cord agoutis at different stages gestation, expand cultivate vitro progenitor cells report their morphological characteristics. Seven cutias were submitted caesarean section collect cords: five...

10.5433/1679-0359.2019v40n1p225 article EN publisher-specific-oa Semina Ciências Agrárias 2019-02-15

Esta pesquisa teve por objetivo avaliar a topografia e morfologia externa, ramificação distribuição intraparenquimal dos vasos arteriais lienais do baço de cutia (Dasyprocta prymnolopha). Foram analisados vinte baços animais jovens adultos, treze machos sete fêmeas, procedentes Núcleo Estudos Preservação Animais Silvestres Centro Ciências Agrárias da UFPI. Em dezesseis baços, verificou-se “in situ” após abertura cavidade abdominal. Para o estudo vascularização arterial, foram utilizados dez...

10.26694/2448-0002.vl2iss1pp16-22 article PT cc-by Jornal Interdisciplinar de Biociências 2017-05-12

As radiações ionizantes caracterizam-se por feixes de raios capazes arrancar um elétron átomo, desencadeando efeitos biológicos, como mudanças bioquímicas e fisiológicas, que produz alterações na morfologia funcionamento dos órgãos afetados.O objetivo desse estudo é associar a importância da radioproteção em âmbito médico aos biológicos estocásticos determinísticos causados pelas ionizantes.A radiografia proporcionou clínica médica diagnósticos com maior precisão assertividade ao tratar...

10.32406/v3n52020/71-81/agrariacad article PT Revista Agraria Academica 2020-09-01
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