Publications by authors named "Romulo Silva de Oliveira"

There is evidence that IL-22 and IL-17 participate in the pathogenesis of allergic asthma. To investigate the role of IL-22, we used IL-22 deficient mice (IL-22 KO) sensitized and challenged with ovalbumin (OVA) and compared with wild type (WT) animals exposed to OVA. IL-22 KO animals exposed to OVA showed a decreased number and frequency of eosinophils, IL-5 and IL-13 in the airways, reduced mucus production and pulmonary inflammation.

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There are several methods of laboratory diagnosis of filarids, the most used are the thick smear and the Knott method. Both are quick to perform, have a low cost and allow observing the presence, quantifying and analyzing the morphological characteristics of microfilariae. Knowing the morphological viability of fixed microfilariae is of practical importance, as it allows the transport of samples to a laboratory, facilitates epidemiological studies , and allows the storage of samples for didactic.

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A low-grade and persistent inflammation, which is the hallmark of obesity, requires the participation of NLRP3 and cell death. During Mycobacterium tuberculosis infection, NLRP3 signaling is important for bacterial killing by macrophages in vitro but was shown to be dispensable for host protection in vivo. We hypothesized that during obesity-tuberculosis (TB) comorbidity, NLRP3 signaling might play a detrimental role by inducing excessive inflammation.

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Article Synopsis
  • The study investigates the relationship between gut microbiota and lung health, particularly how obesity-induced gut dysbiosis may worsen tuberculosis infection and lung inflammation.
  • Using a mouse model of high-fat diet-induced obesity and subsequent TB infection, the researchers found increased susceptibility and inflammation in obese mice.
  • The findings emphasize the potential of modifying gut microbiota as a therapeutic strategy for improving responses to tuberculosis, especially in individuals with obesity-related complications.
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Purpose To develop a 3D anatomical model for teaching canine epidural anesthesia (3DMEA) and to assess its efficacy for teaching and learning prior to the use of live animals. Methods The creation of 3DMEA was based on 3D optical scanning and 3D printing of canine bone pieces of the fifth to the seventh lumbar vertebrae, sacrum and pelvis. A total of 20 male dogs were scheduled for castration.

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Article Synopsis
  • Canine monocytic ehrlichiosis, caused by the bacteria Ehrlichia canis, is common in Brazil, but existing diagnostic tests have questionable accuracy.
  • This study aimed to evaluate the potential of a recombinant protein called gp19 (rGP19) as a more reliable diagnostic antigen.
  • rGP19 was successfully recognized in blood samples from infected dogs using specific tests, suggesting it can effectively differentiate between infected and non-infected animals shortly after infection.
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