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Passaglia P, Kanashiro A, Batista Silva H, Carlos Carvalho Navegantes L, Lacchini R, Capellari Cárnio E, Branco LGS. Diminazene aceturate attenuates systemic inflammation via microbiota gut-5-HT brain-spleen sympathetic axis in male mice. Brain Behav Immun 2024; 119:105-119. [PMID: 38548186 DOI: 10.1016/j.bbi.2024.03.037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Revised: 03/03/2024] [Accepted: 03/26/2024] [Indexed: 04/05/2024] Open
Abstract
The sympathetic arm of the inflammatory reflex is the efferent pathway through which the central nervous system (CNS) can control peripheral immune responses. Diminazene aceturate (DIZE) is an antiparasitic drug that has been reported to exert protective effects on various experimental models of inflammation. However, the pathways by which DIZE promotes a protective immunomodulatory effects still need to be well established, and no studies demonstrate the capacity of DIZE to modulate a neural reflex to control inflammation. C57BL/6 male mice received intraperitoneal administration of DIZE (2 mg/Kg) followed by lipopolysaccharide (LPS, 5 mg/Kg, i.p.). Endotoxemic animals showed hyperresponsiveness to inflammatory signals, while those treated with DIZE promoted the activation of the inflammatory reflex to attenuate the inflammatory response during endotoxemia. The unilateral cervical vagotomy did not affect the anti-inflammatory effect of DIZE in the spleen and serum. At the same time, splenic denervation attenuated tumor necrosis factor (TNF) synthesis in the spleen and serum. Using broad-spectrum antibiotics for two weeks showed that LPS modulated the microbiota to induce a pro-inflammatory profile in the intestine and reduced the serum concentration of tryptophan and serotonin (5-HT), while DIZE restored serum tryptophan and increased the hypothalamic 5-HT levels. Furthermore, the treatment with 4-Chloro-DL-phenylalanine (pcpa, an inhibitor of 5-HT synthesis) abolished the anti-inflammatory effects of the DIZE in the spleen. Our results indicate that DIZE promotes microbiota modulation to increase central 5-HT levels and activates the efferent sympathetic arm of the inflammatory reflex to control splenic TNF production in endotoxemic mice.
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Affiliation(s)
- Patrícia Passaglia
- Department of Oral and Basic Biology Ribeirão Preto, School of Dentistry of Ribeirão Preto, University of São Paulo, Ribeirão Preto, SP, Brazil.
| | - Alexandre Kanashiro
- Department of Psychiatry and Behavioral Sciences, Translational Psychiatry Program, McGovern Medical School, The University of Texas Health Science Center at Houston (UTHealth), Houston, TX, USA
| | - Hadder Batista Silva
- Department of General Nursing, School of Nursing of Ribeirão Preto, University of São Paulo, Ribeirão Preto, SP, Brazil
| | | | - Riccardo Lacchini
- Department of Psychiatric Nursing and Human Sciences, School of Nursing of Ribeirão Preto, University of São Paulo, Ribeirão Preto, SP, Brazil
| | - Evelin Capellari Cárnio
- Department of General Nursing, School of Nursing of Ribeirão Preto, University of São Paulo, Ribeirão Preto, SP, Brazil
| | - Luiz G S Branco
- Department of Oral and Basic Biology Ribeirão Preto, School of Dentistry of Ribeirão Preto, University of São Paulo, Ribeirão Preto, SP, Brazil; Department of Physiology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, SP, Brazil.
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Guimarães VHD, Marinho BM, Motta-Santos D, Mendes GDRL, Santos SHS. Nutritional implications in the mechanistic link between the intestinal microbiome, renin-angiotensin system, and the development of obesity and metabolic syndrome. J Nutr Biochem 2023; 113:109252. [PMID: 36509338 DOI: 10.1016/j.jnutbio.2022.109252] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2022] [Revised: 11/12/2022] [Accepted: 12/07/2022] [Indexed: 12/13/2022]
Abstract
Obesity and metabolic disorders represent a significant global health problem and the gut microbiota plays an important role in modulating systemic homeostasis. Recent evidence shows that microbiota and its signaling pathways may affect the whole metabolism and the Renin-Angiotensin System (RAS), which in turn seems to modify microbiota. The present review aimed to investigate nutritional implications in the mechanistic link between the intestinal microbiome, renin-angiotensin system, and the development of obesity and metabolic syndrome components. A description of metabolic changes was obtained based on relevant scientific literature. The molecular and physiological mechanisms that impact the human microbiome were addressed, including the gut microbiota associated with obesity, diabetes, and hepatic steatosis. The RAS interaction signaling and modulation were analyzed. Strategies including the use of prebiotics, symbiotics, probiotics, and biotechnology may affect the gut microbiota and its impact on human health.
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Affiliation(s)
- Victor Hugo Dantas Guimarães
- Laboratory of Health Science, Postgraduate Program in Health Science, Universidade Estadual de Montes Claros (Unimontes), Montes Claros, Minas Gerais, Brazil
| | - Barbhara Mota Marinho
- Laboratory of Health Science, Postgraduate Program in Health Science, Universidade Estadual de Montes Claros (Unimontes), Montes Claros, Minas Gerais, Brazil
| | - Daisy Motta-Santos
- School of Physical Education, Physiotherapy, and Occupational Therapy - EEFFTO, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Minas Gerais, Brazil
| | - Gabriela da Rocha Lemos Mendes
- Food Engineering, Institute of Agricultural Sciences (ICA), Universidade Federal de Minas Gerais (UFMG), Montes Claros, Minas Gerais, Brazil
| | - Sérgio Henrique Sousa Santos
- Laboratory of Health Science, Postgraduate Program in Health Science, Universidade Estadual de Montes Claros (Unimontes), Montes Claros, Minas Gerais, Brazil; Food Engineering, Institute of Agricultural Sciences (ICA), Universidade Federal de Minas Gerais (UFMG), Montes Claros, Minas Gerais, Brazil.
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Nakano T, Chiang KC, Chen CC, Chen PJ, Lai CY, Hsu LW, Ohmori N, Goto T, Chen CL, Goto S. Sunlight Exposure and Phototherapy: Perspectives for Healthy Aging in an Era of COVID-19. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph182010950. [PMID: 34682694 PMCID: PMC8535353 DOI: 10.3390/ijerph182010950] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Revised: 10/12/2021] [Accepted: 10/13/2021] [Indexed: 01/10/2023]
Abstract
Most humans depend on sunlight exposure to satisfy their requirements for vitamin D3. However, the destruction of the ozone layer in the past few decades has increased the risk of skin aging and wrinkling caused by excessive exposure to ultraviolet (UV) radiation, which may also promote the risk of skin cancer development. The promotion of public health recommendations to avoid sunlight exposure would reduce the risk of skin cancer, but it would also enhance the risk of vitamin D3 insufficiency/deficiency, which may cause disease development and progression. In addition, the ongoing global COVID-19 pandemic may further reduce sunlight exposure due to stay-at-home policies, resulting in difficulty in active and healthy aging. In this review article, we performed a literature search in PubMed and provided an overview of basic and clinical data regarding the impact of sunlight exposure and vitamin D3 on public health. We also discuss the potential mechanisms and clinical value of phototherapy with a full-spectrum light (notably blue, red, and near-infrared light) as an alternative to sunlight exposure, which may contribute to combating COVID-19 and promoting active and healthy aging in current aged/superaged societies.
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Affiliation(s)
- Toshiaki Nakano
- Graduate Institute of Clinical Medical Sciences, Chang Gung University College of Medicine, Kaohsiung 833, Taiwan; (K.-C.C.); (P.-J.C.); (L.-W.H.)
- Liver Transplantation Center, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 833, Taiwan; (C.-C.C.); (C.-Y.L.); (C.-L.C.)
- Correspondence: (T.N.); (S.G.); Tel.: +886-7-731-7123 (T.N.); +81-975-53-2165 (S.G.)
| | - Kuei-Chen Chiang
- Graduate Institute of Clinical Medical Sciences, Chang Gung University College of Medicine, Kaohsiung 833, Taiwan; (K.-C.C.); (P.-J.C.); (L.-W.H.)
- Liver Transplantation Center, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 833, Taiwan; (C.-C.C.); (C.-Y.L.); (C.-L.C.)
| | - Chien-Chih Chen
- Liver Transplantation Center, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 833, Taiwan; (C.-C.C.); (C.-Y.L.); (C.-L.C.)
- Department of Psychiatry, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 833, Taiwan
| | - Po-Jung Chen
- Graduate Institute of Clinical Medical Sciences, Chang Gung University College of Medicine, Kaohsiung 833, Taiwan; (K.-C.C.); (P.-J.C.); (L.-W.H.)
| | - Chia-Yun Lai
- Liver Transplantation Center, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 833, Taiwan; (C.-C.C.); (C.-Y.L.); (C.-L.C.)
| | - Li-Wen Hsu
- Graduate Institute of Clinical Medical Sciences, Chang Gung University College of Medicine, Kaohsiung 833, Taiwan; (K.-C.C.); (P.-J.C.); (L.-W.H.)
- Liver Transplantation Center, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 833, Taiwan; (C.-C.C.); (C.-Y.L.); (C.-L.C.)
| | - Naoya Ohmori
- Faculty of Nursing, Josai International University, Togane 283-8555, Japan; (N.O.); (T.G.)
- Kazusa Institute for Drug Discovery, Josai International University, Togane 283-8555, Japan
| | - Takeshi Goto
- Faculty of Nursing, Josai International University, Togane 283-8555, Japan; (N.O.); (T.G.)
- Kazusa Institute for Drug Discovery, Josai International University, Togane 283-8555, Japan
| | - Chao-Long Chen
- Liver Transplantation Center, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 833, Taiwan; (C.-C.C.); (C.-Y.L.); (C.-L.C.)
| | - Shigeru Goto
- Liver Transplantation Center, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 833, Taiwan; (C.-C.C.); (C.-Y.L.); (C.-L.C.)
- Faculty of Nursing, Josai International University, Togane 283-8555, Japan; (N.O.); (T.G.)
- Nobeoka Medical Check Center, Fukuoka Institution of Occupational Health, Nobeoka 882-0872, Japan
- Correspondence: (T.N.); (S.G.); Tel.: +886-7-731-7123 (T.N.); +81-975-53-2165 (S.G.)
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