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Schelder-Marzzani SH, Dias P, Freiberger V, Ventura L, Silva BB, Dutra ML, Bobinski F, Schlindwein AD, Cassol OJ, Comim CM. Neonatal Immune Activation May Provoke Long-term Depressive Attributes. Curr Neurovasc Res 2020; 16:358-364. [PMID: 31589124 DOI: 10.2174/1567202616666191007125502] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2019] [Revised: 07/17/2019] [Accepted: 08/02/2019] [Indexed: 01/29/2023]
Abstract
BACKGROUND Studies have shown the relationship between neuroinflammation and depressive- like parameters. However, research still has not been carried out to evaluate neuroinflammation in the neonatal period and psychiatric disorders in adulthood. OBJECTIVE To verify the association between neonatal immune activation and depressive-like parameters in adulthood using an animal model. METHODS Two days old C57BL/6 animals were exposed to lipopolysaccharides (LPS) or phosphate- buffered saline (PBS). When the animals were 46 days old, they received PBS or Imipramine at 14 days. At 60 days, the consumption of sucrose; immobility time; adrenal gland and the hippocampus weight; levels of plasma corticosterone and hippocampal Brain-derived neurotrophic factor (BDNF) were evaluated. RESULTS It was observed that the animals exposed to LPS in the neonatal period and evaluated in adulthood decreased the consumption of sucrose and had reducted hippocampus weight. Also, the exposed animals presented an increase of immobility time, adrenal gland weight and plasma levels of corticosteroids. The use of imipramine did not only modify the decreased hippocampal weight. On the other hand, there were no alterations in the BDNF levels in the hippocampus with or without the use of imipramine. CONCLUSION These results suggest that neonatal immune activation may be associated with depressive- like parameters in adulthood. It is believed that endotoxemia may trigger physiological and behavioral alterations, increasing vulnerability for the development of depression in adulthood.
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Affiliation(s)
- Simone H Schelder-Marzzani
- Research Group in Neurodevelopment of Childhood and Adolescence, Laboratory of Experimental Neuroscience, Postgraduate Program in Health Sciences, University of South Santa Catarina, Avenida Pedra Branca, 25, Pedra Branca, 88137-270 Palhoca, SC, Brazil
| | - Paula Dias
- Research Group in Neurodevelopment of Childhood and Adolescence, Laboratory of Experimental Neuroscience, Postgraduate Program in Health Sciences, University of South Santa Catarina, Avenida Pedra Branca, 25, Pedra Branca, 88137-270 Palhoca, SC, Brazil
| | - Viviane Freiberger
- Research Group in Neurodevelopment of Childhood and Adolescence, Laboratory of Experimental Neuroscience, Postgraduate Program in Health Sciences, University of South Santa Catarina, Avenida Pedra Branca, 25, Pedra Branca, 88137-270 Palhoca, SC, Brazil
| | - Letícia Ventura
- Research Group in Neurodevelopment of Childhood and Adolescence, Laboratory of Experimental Neuroscience, Postgraduate Program in Health Sciences, University of South Santa Catarina, Avenida Pedra Branca, 25, Pedra Branca, 88137-270 Palhoca, SC, Brazil
| | - Bruna B Silva
- Research Group on Allergy, Inflammation and Infectious Diseases, Laboratory of Experimental Neuroscience, Postgraduate Program in Health Sciences, University of South Santa Catarina, Avenida Pedra Branca, 25, Pedra Branca, 88137-270 Palhoca, SC, Brazil
| | - Matheus L Dutra
- Research Group in Neurodevelopment of Childhood and Adolescence, Laboratory of Experimental Neuroscience, Postgraduate Program in Health Sciences, University of South Santa Catarina, Avenida Pedra Branca, 25, Pedra Branca, 88137-270 Palhoca, SC, Brazil
| | - Franciane Bobinski
- Research Group of Neuroscience and Pharmacology, Laboratory of Experimental Neuroscience, Postgraduate Program in Health Sciences, University of South Santa Catarina, Avenida Pedra Branca, 25, Pedra Branca, 88137-270 Palhoca, SC, Brazil
| | - Aline D Schlindwein
- Research Group of Neuroscience and Pharmacology, Laboratory of Experimental Neuroscience, Postgraduate Program in Health Sciences, University of South Santa Catarina, Avenida Pedra Branca, 25, Pedra Branca, 88137-270 Palhoca, SC, Brazil
| | - Omar J Cassol
- Research Group in Neurodevelopment of Childhood and Adolescence, Laboratory of Experimental Neuroscience, Postgraduate Program in Health Sciences, University of South Santa Catarina, Avenida Pedra Branca, 25, Pedra Branca, 88137-270 Palhoca, SC, Brazil
| | - Clarissa M Comim
- Research Group in Neurodevelopment of Childhood and Adolescence, Laboratory of Experimental Neuroscience, Postgraduate Program in Health Sciences, University of South Santa Catarina, Avenida Pedra Branca, 25, Pedra Branca, 88137-270 Palhoca, SC, Brazil
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Fernandes FS, da Silva GS, Hilel AS, Carvalho AC, Remor KVT, Schlindwein AD, Kanis LA, Martins DF, Kviecinski MR. Study of the potential adverse effects caused by the dermal application of Dillenia indica L. fruit extract standardized to betulinic acid in rodents. PLoS One 2019; 14:e0217718. [PMID: 31150479 PMCID: PMC6544281 DOI: 10.1371/journal.pone.0217718] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2019] [Accepted: 05/16/2019] [Indexed: 12/17/2022] Open
Abstract
This study aimed to evaluate the potential adverse effects of the dermal administration of Dillenia indica Linnaeus (D. indica) fruit extract in healthy rodents; the extract was standardized to betulinic acid. In the initial phase, the acute effects were evaluated on the skin application site of a single extract dose. A skin irritation test was performed in male Wistar rats (n = 8/group) receiving the extract (50–150 mg/mL) with betulinic acid (0.5–1.5%, respectively). A photosensitivity test was performed in male BALB/c mice (n = 6/group) receiving the extract (150 mg/mL). Afterwards, other BALB/c mice (n = 20, male:female, 1:1) were used to assess the systemic alterations caused by 14 daily repeated doses (150 mg/mL) by monitoring the effects on mortality, body morphology, behavior, nutrition status, neuromotor reactions, organ morphology and weight, and blood tests. At this time, 0.5 mg/mL clobetasol was used as the positive control. The skin irritation index suggested that negligible skin irritation had occurred, even when the extract was applied to the rat skin at 150 mg/mL. However, the extract acted as a photosensitizer on mouse skin, showing a photosensitizing activity close to that of 10 mg/mL 5-methoxypsoralen. Repeated doses caused no mouse mortality, aggressiveness, piloerection, diarrhea, convulsions, neuromotor alterations or nutrition status changes. The mouse organ weights did not change, and the mice did not have alterations in their blood compositions. Clobetasol caused a reduction in the mononuclear leukocyte numbers. In general, the data suggest that the extract was safe in healthy rodents but indicate that caution should be taken with the photosensitizing activity; in addition, this activity should be further explored as it may be useful for phototherapeutic drug development.
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Affiliation(s)
- Flávia S. Fernandes
- Universidade do Sul de Santa Catarina, Postgraduate Program in Health Sciences, Palhoça, Santa Catarina, Brazil
| | - Gustavo S. da Silva
- Universidade do Sul de Santa Catarina, Postgraduate Program in Health Sciences, Palhoça, Santa Catarina, Brazil
| | - Alexandre S. Hilel
- Universidade do Sul de Santa Catarina, Postgraduate Program in Health Sciences, Palhoça, Santa Catarina, Brazil
| | - Ana C. Carvalho
- Universidade do Sul de Santa Catarina, Postgraduate Program in Health Sciences, Palhoça, Santa Catarina, Brazil
| | - Karina V. T. Remor
- Universidade do Sul de Santa Catarina, Postgraduate Program in Health Sciences, Palhoça, Santa Catarina, Brazil
| | - Aline D. Schlindwein
- Universidade do Sul de Santa Catarina, Postgraduate Program in Health Sciences, Palhoça, Santa Catarina, Brazil
| | - Luiz A. Kanis
- Universidade do Sul de Santa Catarina, Postgraduate Program in Health Sciences, Palhoça, Santa Catarina, Brazil
| | - Daniel F. Martins
- Universidade do Sul de Santa Catarina, Postgraduate Program in Health Sciences, Palhoça, Santa Catarina, Brazil
| | - Maicon R. Kviecinski
- Universidade do Sul de Santa Catarina, Postgraduate Program in Health Sciences, Palhoça, Santa Catarina, Brazil
- * E-mail: ,
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Yamashiro LH, Eto C, Soncini M, Horewicz V, Garcia M, Schlindwein AD, Grisard EC, Rovaris DB, Báfica A. Isoniazid-induced control of Mycobacterium tuberculosis by primary human cells requires interleukin-1 receptor and tumor necrosis factor. Eur J Immunol 2016; 46:1936-47. [PMID: 27230303 DOI: 10.1002/eji.201646349] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2016] [Revised: 04/20/2016] [Accepted: 05/24/2016] [Indexed: 11/08/2022]
Abstract
Proinflammatory cytokines are critical mediators that control Mycobacterium tuberculosis (Mtb) growth during active tuberculosis (ATB). To further inhibit bacterial proliferation in diseased individuals, drug inhibitors of cell wall synthesis such as isoniazid (INH) are employed. However, whether INH presents an indirect effect on bacterial growth by regulating host cytokines during ATB is not well known. To examine this hypothesis, we used an in vitro human granuloma system generated with primary leukocytes from healthy donors adapted to model ATB. Intense Mtb proliferation in cell cultures was associated with monocyte/macrophage activation and secretion of IL-1β and TNF. Treatment with INH significantly reduced Mtb survival, but altered neither T-cell-mediated Mtb killing, nor production of IL-1β and TNF. However, blockade of both IL-1R1 and TNF signaling rescued INH-induced killing, suggesting synergistic roles of these cytokines in mediating control of Mtb proliferation. Additionally, mycobacterial killing by INH was highly dependent upon drug activation by the pathogen catalase-peroxidase KatG and involved a host PI3K-dependent pathway. Finally, experiments using coinfected (KatG-mutated and H37Rv strains) cells suggested that active INH does not directly enhance host-mediated killing of Mtb. Our results thus indicate that Mtb-stimulated host IL-1 and TNF have potential roles in TB chemotherapy.
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Affiliation(s)
- Lívia H Yamashiro
- Laboratory of Immunobiology, Department of Microbiology, Immunology and Parasitology, Federal University of Santa Catarina, Florianópolis, Brazil
| | - Carolina Eto
- Laboratory of Immunobiology, Department of Microbiology, Immunology and Parasitology, Federal University of Santa Catarina, Florianópolis, Brazil
| | - Marina Soncini
- Laboratory of Immunobiology, Department of Microbiology, Immunology and Parasitology, Federal University of Santa Catarina, Florianópolis, Brazil
| | - Verônica Horewicz
- Laboratory of Immunobiology, Department of Microbiology, Immunology and Parasitology, Federal University of Santa Catarina, Florianópolis, Brazil
| | - Magno Garcia
- Laboratory of Immunobiology, Department of Microbiology, Immunology and Parasitology, Federal University of Santa Catarina, Florianópolis, Brazil
| | - Aline D Schlindwein
- Laboratory of Protozoology, Department of Microbiology, Immunology and Parasitology, Federal University of Santa Catarina, Florianópolis, Brazil.,Central Public Health Laboratory/LACEN, Florianópolis, Brazil
| | - Edmundo C Grisard
- Laboratory of Protozoology, Department of Microbiology, Immunology and Parasitology, Federal University of Santa Catarina, Florianópolis, Brazil
| | | | - André Báfica
- Laboratory of Immunobiology, Department of Microbiology, Immunology and Parasitology, Federal University of Santa Catarina, Florianópolis, Brazil
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Schlindwein AD, Rigotto C, Simões CMO, Barardi CRM. Detection of enteric viruses in sewage sludge and treated wastewater effluent. Water Sci Technol 2010; 61:537-44. [PMID: 20107281 DOI: 10.2166/wst.2010.845] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
Sewage sludge and treated wastewater when contaminated with enteric virus and discharged into the environment, could pose a human health risk. The aim of study was to verify the presence and viability of enteric viruses in sewage sludge and treated wastewater at a local sewage plant in Florianopolis city, Brazil. Sewage sludge was concentrated by organic flocculation and polyethylene glycol precipitation and wastewater by electronegative membrane filtration and ultrafiltration by Centriprep Concentrator. Adenovirus (AdV), hepatitis A virus (HAV), and Rotavirus (RV) were examined for all samples for 12 months and Poliovirus (PV) was also tested for in sewage sludge samples. AdV was the most prevalent in both kind of samples, followed by RV, PV (in sludge) and HAV. Viral viability by cell culture (ICC-PCR) was: AdV: 100%, HAV: 16.7%, PV: 91.7%, RV: 25% in sludge and AdV: 66.6%, HAV: 66.6% and RV: 0% in wastewater. IFA for AdV in sludge ranged from 70 to 300 FFU/ml. QPCR for AdV ranged from 4.6 x 10(4) to 1.2 x 10(6) and from 50 to 1.3 x 10(4) gc/ml in sludge and wastewater, respectively. HAV quantification in sludge ranged from 3.1 x 10(2) to 5.4 x 10(2) gc/ml. In conclusion, it was possible to correlate presence and viability of enteric viruses in the environmental samples analyzed.
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Affiliation(s)
- A D Schlindwein
- Laboratório de Virologia Aplicada, Departamento de Microbiologia e Parasitologia, Universidade Federal de Santa Catarina, Florianópolis, Santa Catarina State, Brazil.
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