1.Neural crosstalk and symptom overlap: The correlation between urinary and intestinal symptoms in patients undergoing colonoscopy
Pedro Henrique P. COSTA ; Paulo RODRIGUES ; Lucas S. TAKEMURA ; Marina A. GERMANO ; Mariane Ellen S. SALES ; Gustavo A. de PAULO ; Bianca BIANCO ; Maria Beatriz LEMOS ; Gustavo C. LEMOS ; Arie CARNEIRO
Investigative and Clinical Urology 2025;66(3):251-260
Purpose:
Neural crosstalk in the pelvis involves intrinsic communication networks among pelvic structures that direct afferent inputs to converge on neurons, leading to viscerovisceral and somatovisceral reflexes. We aimed to explore the overlap between intestinal and urinary symptoms and their correlations in patients undergoing colonoscopy.
Materials and Methods:
Cross-sectional study with 167 participants who underwent colonoscopy and were assessed using three self-administered questionnaires: the International Prostate Symptom Score (IPSS) for lower urinary tract symptoms, the International Consultation on Incontinence Questionnaire Overactive Bladder (ICIQ-OAB) for overactive bladder symptoms, and the Gastrointestinal Symptom Rating Scale (GSRS) for gastrointestinal (GI) symptoms.
Results:
Among the participants, 55.1% were male, and the median age was 57 years. Most colonoscopies (80.8%) were performed for screening, and the most common finding was diverticular disease (DD) (35.9%). The IPSS and ICIQ-OAB were strongly correlated (rho=0.544, p<0.001), while the IPSS and GSRS scores showed a moderate correlation (rho=0.304, p<0.001). In the DD subgroup, both ICIQ-OAB and IPSS (rho=0.568, p<0.001), and IPSS and GSRS (rho=0.493, p<0.001) showed strong correlations. In contrast, the subgroup without DD showed a strong correlation between the ICIQ-OAB and IPSS (rho=0.510, p<0.001), but only a weak correlation between the IPSS and GSRS (rho=0.188, p=0.057), suggesting that the urinary-GI connection is influenced by the presence of DD.
Conclusions
The findings revealed intrinsic relationships between urinary and GI symptoms, with DD as a significant factor influencing these relationships, suggesting that a more integrated approach to evaluate and manage these patients can potentially improve diagnostic accuracy and treatment outcomes.
2.Increased Cytokine and Nitric Oxide Levels in Serum of Dogs Experimentally Infected with Rangelia vitalii.
Francine C PAIM ; Aleksandro S DA SILVA ; Carlos Breno V PAIM ; Raqueli T FRANCA ; Marcio M COSTA ; Marta M M F DUARTE ; Manuela B SANGOI ; Rafael N MORESCO ; Silvia G MONTEIRO ; Sonia Terezinha A LOPES
The Korean Journal of Parasitology 2013;51(1):133-137
This study aimed to measure the levels of interferon-gamma (IFN-gamma), tumor necrosis factor-alpha (TNF-alpha), interleukin 1 (IL-1), interleukin 6 (IL-6), and nitrite/nitrate (NOx) in serum of dogs experimentally infected with Rangelia vitalii. Twelve female mongrel dogs were divided into 2 groups; group A (uninfected controls) composed by healthy dogs (n=5) and group B consisting of dogs inoculated with R. vitalii (n=7). Animals were monitored by blood smear examinations, which showed intraerythrocytic forms of the parasite on day 5 post-infection (PI). Blood samples were collected through the jugular vein on days 0, 10, and 20 PI to determine the serum levels of IFN-gamma, TNF-alpha, IL-1, IL-6, and NOx. Cytokines were assessed by ELISA quantitative sandwich technique, and NOx was measured by the modified Griess method. Cytokine levels (IFN-gamma, TNF-alpha, IL-1, and IL-6) were increased (P<0.01) in serum of infected animals. Serum levels of NOx were also increased on days 10 PI (P<0.01) and 20 PI (P<0.05) in infected animals. Therefore, the infection with R. vitalii causes an increase in proinflammatory cytokines and nitric oxide content. These alterations may be associated with host immune protection against the parasite.
Animals
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Chemistry Techniques, Analytical
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Cytokines/*blood
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Disease Models, Animal
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Dogs
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Enzyme-Linked Immunosorbent Assay
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Female
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Nitric Oxide/*blood
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Piroplasmida/*immunology
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Protozoan Infections/*immunology/parasitology/pathology
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Serum/chemistry
3.Tolerogenic Dendritic Cells Reduce Airway Inflammation in a Model of Dust Mite Triggered Allergic Inflammation.
Luciana S ARAGÃO-FRANÇA ; Viviane C J ROCHA ; Andre CRONEMBERGER-ANDRADE ; F H B COSTA ; José Fernandes VASCONCELOS ; Daniel Abensur ATHANAZIO ; Daniela Nascimento SILVA ; E S SANTOS ; Cássio Santana MEIRA ; C F ARAÚJO ; Jéssica Vieira CERQUEIRA ; Fabíola CARDILLO ; Neuza Maria ALCÂNTARA-NEVES ; Milena Botelho Pereira SOARES ; Lain C PONTES-DE-CARVALHO
Allergy, Asthma & Immunology Research 2018;10(4):406-419
PURPOSE: The use of tolerogenic dendritic cells (TolDCs) to control exacerbated immune responses may be a prophylactic and therapeutic option for application in autoimmune and allergic conditions. The objective of this work was to evaluate the effects of TolDC administration in a mouse model of allergic airway inflammation caused by mite extract. METHODS: Mouse bone marrow-derived TolDCs were induced by incubation with granulocyte-macrophage colony-stimulating factor (GM-CSF) and dexamethasone, and then characterized by flow cytometry and cytokine production by enzyme-linked immunosorbent assay (ELISA). For the in vivo model of Blomia tropicalis-induced allergy, mice transplanted with antigen-pulsed TolDCs were sensitized intraperitoneally with B. tropicalis mite extract (BtE) adsorbed to aluminium hydroxide. After challenge by nasal administration of BtE, bronchoalveolar lavage fluid (BALF), lungs, spleen and serum were collected for analysis. RESULTS: Induction of TolDCs was efficiently achieved as shown by low expression of major histocompatibility complex (MHC) II, programmed death-ligand (PD-L) 2 and pro-inflammatory cytokine production, and up-regulation of interleukin (IL)-10, upon LPS stimulation in vitro. Transplantation of 1 or 2 doses of BtE-pulsed TolDCs reduced the number of inflammatory cells in BALF and lungs as well as mucus deposition. Moreover, compared to saline-injected controls, TolDC-treated mice showed lower serum levels of anti-BtE immunoglobulin E (IgE) antibodies as well as reduced Gata3 and IL-4 gene expression in the lungs and decreased IFN-γ levels in the supernatant of splenocyte cultures Transplantation of TolDCs increased the percentage of the regulatory T cells in the spleen and the lungs. CONCLUSIONS: Preventive treatment with TolDCs protects against dust mite-induced allergy in a mouse model, reinforcing the use of tolerogenic dendritic cells for the management of allergic conditions.
Administration, Intranasal
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Animals
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Antibodies
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Antigens, Dermatophagoides
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Asthma
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Bronchoalveolar Lavage Fluid
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Dendritic Cells*
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Dexamethasone
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Dust*
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Enzyme-Linked Immunosorbent Assay
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Flow Cytometry
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Gene Expression
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Granulocyte-Macrophage Colony-Stimulating Factor
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Hypersensitivity
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Immunoglobulin E
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Immunoglobulins
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In Vitro Techniques
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Inflammation*
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Interleukin-4
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Interleukins
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Lung
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Major Histocompatibility Complex
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Mice
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Mites*
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Mucus
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Spleen
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T-Lymphocytes, Regulatory
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Up-Regulation
4. Fern extracts potentiate fluconazole activity and inhibit morphological changes in Candida species
Maria A. FREITAS ; Antonia T.L. SANTOS ; Antonio J.T. MACHADO ; Ana Raquel P. SILVA ; Fábia F. CAMPINA ; Maria S. COSTA ; Gioconda M.A.B. MARTINS ; Maria Flaviana B. MORAIS-BRAGA ; Saulo R. TINTINO ; Irwin R.A. MENEZES ; Jaime RIBEIRO-FILHO ; Henrique D.M. COUTINHO ; Altevir P. MEDEIROS ; Adeliana S. OLIVEIRA ; Patrício B. MARACAJÁ
Asian Pacific Journal of Tropical Biomedicine 2017;7(11):1025-1030
Objective To investigate the antifungal activity of the fern species Lygodium venustum (L. venustum) and Pityrogramma calomelanos (P. calomelanos) against Candida albicans and Candida tropicalis strains. Methods The microdilution method was used to evaluate the antifungal activity, as well as the modulating effects of ethanolic extracts of these plants in combination with fluconazole. The minimum inhibitory concentration (MIC), minimum fungicide concentration and morphological changes were also determined. Results The extract obtained from L. venustum presented a MIC > 8 192 μg/mL, while the extract obtained from and P. calomelanos presented a MIC = 8 192 μg/mL, indicating that they present weak antifungal activity. However, combination of the extracts with Fluconazole potentiated the antifungal activity of this drug. At different experimental conditions, such as concentration of the extract and type of strain, the extracts inhibited hyphae and pseudohyphae formation, indicating that these fern species can affect the morphology of the fungi. Conclusions The extracts obtained from the fern species L. venustum and P. calomelanos dose not present significant antifungal activity. However, P. calomelanos potentiates the activity of fluconazole and both extracts inhibits the morphological changes in Candida species, indicating that they have potential pharmacological activity as modulators of fungal biology. Therefore, novel studies are required to characterize the interference of these extracts in the virulence and pathogenicity of Candida species as well as the potential of fern species to treat fungal infections.