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Jin X, Dong W, Chang K, Yan Y. Research on the signaling pathways related to the intervention of traditional Chinese medicine in Parkinson's disease:A literature review. JOURNAL OF ETHNOPHARMACOLOGY 2024; 326:117850. [PMID: 38331124 DOI: 10.1016/j.jep.2024.117850] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Revised: 01/23/2024] [Accepted: 01/30/2024] [Indexed: 02/10/2024]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Parkinson's disease (PD) is the most common progressive neurodegenerative disorder affecting more than 10 million people worldwide and is characterized by the progressive loss of Daergic (DA) neurons in the substantia nigra pars compacta. It has been reported that signaling pathways play a crucial role in the pathogenesis of PD, while the active ingredients of traditional Chinese medicine (TCM) have been found to possess a protective effect against PD. TCM has demonstrated significant potential in mitigating oxidative stress (OS), neuroinflammation, and apoptosis of DA neurons via the regulation of signaling pathways associated with PD. AIM OF THE REVIEW This study discussed and analyzed the signaling pathways involved in the occurrence and development of PD and the mechanism of active ingredients of TCM regulating PD via signaling pathways, with the aim of providing a basis for the development and clinical application of therapeutic strategies for TCM in PD. MATERIALS AND METHODS With "Parkinson's disease", "Idiopathic Parkinson's Disease", "Lewy Body Parkinson's Disease", "Parkinson's Disease, Idiopathic", "Parkinson Disease, Idiopathic", "Parkinson's disorders", "Parkinsonism syndrome", "Traditional Chinese medicine", "Chinese herbal medicine", "active ingredients", "medicinal plants" as the main keywords, PubMed, Web of Science and other online search engines were used for literature retrieval. RESULTS PD exhibits a close association with various signaling pathways, including but not limited to MAPKs, NF-κB, PI3K/Akt, Nrf2/ARE, Wnt/β-catenin, TLR/TRIF, NLRP3, Notch. The therapeutic potential of TCM lies in its ability to regulate these signaling pathways. In addition, the active ingredients of TCM have shown significant effects in improving OS, neuroinflammation, and DA neuron apoptosis in PD. CONCLUSION The active ingredients of TCM have unique advantages in regulating PD-related signaling pathways. It is suggested to combine network pharmacology and bioinformatics to study the specific targets of TCM. This not only provides a new way for the prevention and treatment of PD with the active ingredients of TCM, but also provides a scientific basis for the selection and development of TCM preparations.
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Affiliation(s)
- Xiaxia Jin
- National Key Laboratory of Quality Assurance and Sustainable Utilization of Authentic Medicinal Materials, Chinese Medicine Resource Center, China Academy of Chinese Medical Sciences, Beijing, 100700, China
| | - Wendi Dong
- Foshan Clinical Medical College, Guangzhou University of Traditional Chinese Medicine, Foshan 528000, China
| | - Kaile Chang
- Shaanxi University of Traditional Chinese Medicine, Xianyang, 712046, China
| | - Yongmei Yan
- National Key Laboratory of Quality Assurance and Sustainable Utilization of Authentic Medicinal Materials, Chinese Medicine Resource Center, China Academy of Chinese Medical Sciences, Beijing, 100700, China; Department of Encephalopathy, Affiliated Hospital of Shaanxi University of Traditional Chinese Medicine, Xianyang 712000, China.
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2
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Schimpel C, Passegger C, Egger S, Tam-Amersdorfer C, Strobl H. A novel 3D cell culture model to study the human small intestinal immune landscape. Eur J Immunol 2023; 53:e2250131. [PMID: 36527196 DOI: 10.1002/eji.202250131] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Revised: 11/21/2022] [Accepted: 12/14/2022] [Indexed: 12/23/2022]
Abstract
Several subsets of mononuclear phagocytes and DCs (MDC) populate the small intestine (SI), and these cells reportedly exert specialized functions in anti-microbial immunity and tolerance. Given the specialized phenotype of these cells, differing from other MDC family members, including their putative circulating blood precursors, local intestinal factors play key instructive roles in their differentiation. We designed an SI cell culture model composed of three intestinal epithelial cell (IEC) types, including absorptive enterocytes (E cells), antigen delivering microfold (M) cells, and mucus-producing goblet (G) cells plus T lymphocytes and soluble B cell-derived factors. This model was used to study the differentiation fate of CD34+ hematopoietic progenitor cell-derived monocyte/DC precursors. Progeny cells can be analyzed after a 3-week co-culture period, mimicking the physiologic turn-over time of intestinal MDC. A dominant monocyte differentiation pathway was suppressed, in favor of partial differentiation along DC and macrophage pathways, with low percentages of cells acquired DC or macrophage markers. Moreover, E and G cells play opposing roles in CX3CR1+ vs CD103dim cell differentiation, indicating that both together might counter-balance M/DC differentiation. Thus, SI epithelial cells suppress M/DC differentiation, supporting a key role for exogenous factors in M/DC differentiation.
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Affiliation(s)
- Christa Schimpel
- Medical University of Graz, Otto Loewi Research Center for Vascular Biology, Immunology and Inflammation, Division of Immunology and Pathophysiology, Graz, Austria
| | - Christina Passegger
- Medical University of Graz, Otto Loewi Research Center for Vascular Biology, Immunology and Inflammation, Division of Immunology and Pathophysiology, Graz, Austria
| | - Simone Egger
- Medical University of Graz, Otto Loewi Research Center for Vascular Biology, Immunology and Inflammation, Division of Immunology and Pathophysiology, Graz, Austria
| | - Carmen Tam-Amersdorfer
- Medical University of Graz, Otto Loewi Research Center for Vascular Biology, Immunology and Inflammation, Division of Immunology and Pathophysiology, Graz, Austria
| | - Herbert Strobl
- Medical University of Graz, Otto Loewi Research Center for Vascular Biology, Immunology and Inflammation, Division of Immunology and Pathophysiology, Graz, Austria
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3
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Sulczewski FB, Martino LA, Salles D, Yamamoto MM, Rosa DS, Boscardin SB. STAT3 signaling modulates the immune response induced after antigen targeting to conventional type 1 dendritic cells through the DEC205 receptor. Front Immunol 2022; 13:1006996. [PMID: 36330518 PMCID: PMC9624190 DOI: 10.3389/fimmu.2022.1006996] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Accepted: 09/28/2022] [Indexed: 11/23/2022] Open
Abstract
Conventional dendritic cells (cDC) are a group of antigen-presenting cells specialized in priming T cell responses. In mice, splenic cDC are divided into conventional type 1 DC (cDC1) and conventional type 2 (cDC2). cDC1 are specialized to prime the Th1 CD4+ T cell response, while cDC2 are mainly associated with the induction of follicular helper T cell responses to support germinal center formation. However, the mechanisms that control the functions of cDC1 and cDC2 are not fully understood, especially the signaling pathways that can modulate their ability to promote different CD4+ T cell responses. Here, we targeted a model antigen for cDC1 and cDC2, through DEC205 and DCIR2 receptors, respectively, to study the role of the STAT3 signaling pathway in the ability of these cells to prime CD4+ T cells. Our results show that, in the absence of the STAT3 signaling pathway, antigen targeting to cDC2 induced similar frequencies of Tfh cells between STAT3-deficient mice compared to fully competent mice. On the other hand, Th1 and Th1-like Tfh cell responses were significantly reduced in STAT3-deficient mice after antigen targeting to cDC1 via the DEC205 receptor. In summary, our results indicate that STAT3 signaling does not control the ability of cDC2 to promote Tfh cell responses after antigen targeting via the DCIR2 receptor, but modulates the function of cDC1 to promote Th1 and Th1-like Tfh T cell responses after antigen targeting via the DEC205 receptor.
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Affiliation(s)
| | - Larissa Alves Martino
- Departamento de Parasitologia, Instituto de Ciencias Biomedicas, Universidade de Sao Paulo, Sao Paulo, Brazil
| | - Davi Salles
- Departamento de Parasitologia, Instituto de Ciencias Biomedicas, Universidade de Sao Paulo, Sao Paulo, Brazil
| | - Márcio Massao Yamamoto
- Departamento de Parasitologia, Instituto de Ciencias Biomedicas, Universidade de Sao Paulo, Sao Paulo, Brazil
| | - Daniela Santoro Rosa
- Departamento de Microbiologia, Imunologia e Parasitologia, Universidade Federal de Sao Paulo, Sao Paulo, Brazil
- Instituto de Investigação em Imunologia (iii), INCT, Sao Paulo, Brazil
| | - Silvia Beatriz Boscardin
- Departamento de Parasitologia, Instituto de Ciencias Biomedicas, Universidade de Sao Paulo, Sao Paulo, Brazil
- Instituto de Investigação em Imunologia (iii), INCT, Sao Paulo, Brazil
- *Correspondence: Silvia Beatriz Boscardin,
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4
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Muleta KG, Ulmert I, Hamza KH, van Dijl S, Nakawesi J, Lahl K. Rotavirus-Induced Expansion of Antigen-Specific CD8 T Cells Does Not Require Signaling via TLR3, MyD88 or the Type I Interferon Receptor. Front Immunol 2022; 13:814491. [PMID: 35464475 PMCID: PMC9022177 DOI: 10.3389/fimmu.2022.814491] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2021] [Accepted: 03/17/2022] [Indexed: 11/13/2022] Open
Abstract
Rotavirus (RV) infection induces strong adaptive immunity. While protection from reinfection requires humoral immunity, initial clearance of infection depends on cytotoxic CD8 T cells. Type I classical dendritic cells (cDC1) excel at CD8 T cell induction through cross-presentation and are essential for optimal cytotoxicity towards RV. Upon sensing of infection-induced innate immune signals through pattern recognition receptors (PRRs), cumulating in autocrine type I interferon (IFN) signaling, cDC1 mature and migrate to the draining lymph nodes (LNs), where they prime adaptive immune cells. To analyze which PRR pathways lead to robust cytotoxicity in the context of RV infection, we measured RV-specific CD8 T cell priming in mice deficient for Toll-like receptor 3 (TLR3), recognizing double-stranded RNA, or for MyD88, the adapter for all other TLRs and IL-1 family cytokines. Individual TLR3- and MyD88-mediated signaling was not required for the priming of CD8 T cell responses to RV and neither deficiency impacted on RV clearance. Surprisingly, the accumulation of RV-specific CD8 T cells was also not altered in the absence of type I IFN signaling, while their ability to produce IFNγ and granzyme were blunted. Together, this suggests a substantial level of redundancy in the sensing of RV infection and the translation of signals into protective CD8 T cell immunity.
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Affiliation(s)
| | - Isabel Ulmert
- Section for Experimental and Translational Immunology, Institute for Health Technology, Technical University of Denmark (DTU), Kongens Lyngby, Denmark
| | | | | | - Joy Nakawesi
- Immunology Section, Lund University, Lund, Sweden
| | - Katharina Lahl
- Immunology Section, Lund University, Lund, Sweden.,Section for Experimental and Translational Immunology, Institute for Health Technology, Technical University of Denmark (DTU), Kongens Lyngby, Denmark
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The Critical Role of Toll-like Receptor-mediated Signaling in Cancer Immunotherapy. MEDICINE IN DRUG DISCOVERY 2022. [DOI: 10.1016/j.medidd.2022.100122] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
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Luciani C, Hager FT, Cerovic V, Lelouard H. Dendritic cell functions in the inductive and effector sites of intestinal immunity. Mucosal Immunol 2022; 15:40-50. [PMID: 34465895 DOI: 10.1038/s41385-021-00448-w] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Revised: 08/09/2021] [Accepted: 08/15/2021] [Indexed: 02/04/2023]
Abstract
The intestine is constantly exposed to foreign antigens, which are mostly innocuous but can sometimes be harmful. Therefore, the intestinal immune system has the delicate task of maintaining immune tolerance to harmless food antigens while inducing tailored immune responses to pathogens and regulating but tolerating the microbiota. Intestinal dendritic cells (DCs) play a central role in these functions as sentinel cells able to prime and polarize the T cell responses. DCs are deployed throughout the intestinal mucosa but with local specializations along the gut length and between the diffuse effector sites of the gut lamina propria (LP) and the well-organized immune inductive sites comprising isolated lymphoid follicles (ILFs), Peyer's patches (PPs), and other species-specific gut-associated lymphoid tissues (GALTs). Understanding the specificities of each intestinal DC subset, how environmental factors influence DC functions, and how these can be modulated is key to harnessing the therapeutic potential of mucosal adaptive immune responses, whether by enhancing the efficacy of mucosal vaccines or by increasing tolerogenic responses in inflammatory disorders. In this review, we summarize recent findings related to intestinal DCs in steady state and upon inflammation, with a special focus on their functional specializations, highly dependent on their microenvironment.
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Affiliation(s)
| | | | - Vuk Cerovic
- Institute of Molecular Medicine, RWTH Aachen University, Aachen, Germany.
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Hidalgo-Sastre A, Kuebelsbeck LA, Jochheim LS, Staufer LM, Altmayr F, Johannes W, Steiger K, Ronderos M, Hartmann D, Hüser N, Schmid RM, Holzmann B, von Figura G. Toll-like receptor 3 expression in myeloid cells is essential for efficient regeneration after acute pancreatitis in mice. Eur J Immunol 2021; 51:1182-1194. [PMID: 33521935 DOI: 10.1002/eji.202048771] [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: 05/28/2020] [Revised: 11/12/2020] [Accepted: 01/29/2021] [Indexed: 11/09/2022]
Abstract
Stringent regulation of the inflammatory response is crucial for normal tissue regeneration. Here, we analyzed the role of Toll-like receptor 3 (TLR3) in pancreatic regeneration after acute pancreatitis (AP). AP was induced by caerulein treatment in mice with global TLR3 deficiency (TLR3OFF ) or in mice re-expressing TLR3 exclusively in the myeloid cell lineage (TLR3Mye ). Compared to WT mice, TLR3OFF mice had a markedly increased formation of acinar-to-ductal metaplasia (ADM) that persisted until day 7 after initiation of AP. Pancreatic tissue of WT mice was completely regenerated after 5 days with no detectable ADM structures. The enhancing effect of TLR3-deficiency on ADM formation was closely linked with an increased and prolonged accumulation of macrophages in pancreata of TLR3OFF mice. Importantly, the phenotype of TLR3OFF mice was rescued in TLR3Mye mice, demonstrating the causative role of myeloid cell selective TLR3 signaling. Moreover, in vitro stimulation of macrophages through TLR3 initiated cell death by a caspase-8-associated mechanism. Therefore, these findings provide evidence that TLR3 signaling in myeloid cells is sufficient to limit inflammation and ADM formation and to promote regeneration after AP. Notably, resolution of inflammation after AP was associated with macrophage sensitivity to TLR3-mediated cell death.
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Affiliation(s)
- Ana Hidalgo-Sastre
- School of Medicine, Medizinische Klinik und Poliklinik II, Klinikum rechts der Isar, Technical University of Munich, Munich, Germany
| | - Ludwig A Kuebelsbeck
- School of Medicine, Medizinische Klinik und Poliklinik II, Klinikum rechts der Isar, Technical University of Munich, Munich, Germany
| | - Leonie S Jochheim
- School of Medicine, Medizinische Klinik und Poliklinik II, Klinikum rechts der Isar, Technical University of Munich, Munich, Germany
| | - Lina M Staufer
- School of Medicine, Medizinische Klinik und Poliklinik II, Klinikum rechts der Isar, Technical University of Munich, Munich, Germany
| | - Felicitas Altmayr
- Technical University of Munich, School of Medicine, Klinikum rechts der Isar, Department of Surgery, Munich, Germany
| | - Widya Johannes
- Technical University of Munich, School of Medicine, Klinikum rechts der Isar, Department of Surgery, Munich, Germany
| | - Katja Steiger
- Technical University of Munich, School of Medicine, Department of Pathology, Munich, Germany
| | - Monica Ronderos
- Technical University of Munich, School of Medicine, Department of Pathology, Munich, Germany
| | - Daniel Hartmann
- Technical University of Munich, School of Medicine, Klinikum rechts der Isar, Department of Surgery, Munich, Germany
| | - Norbert Hüser
- Technical University of Munich, School of Medicine, Klinikum rechts der Isar, Department of Surgery, Munich, Germany
| | - Roland M Schmid
- School of Medicine, Medizinische Klinik und Poliklinik II, Klinikum rechts der Isar, Technical University of Munich, Munich, Germany
| | - Bernhard Holzmann
- Technical University of Munich, School of Medicine, Klinikum rechts der Isar, Department of Surgery, Munich, Germany
| | - Guido von Figura
- School of Medicine, Medizinische Klinik und Poliklinik II, Klinikum rechts der Isar, Technical University of Munich, Munich, Germany
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8
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Nakawesi J, Konjit GM, Dasoveanu DC, Johansson-Lindbom B, Lahl K. Rotavirus infection causes mesenteric lymph node hypertrophy independently of type I interferon or TNF-α in mice. Eur J Immunol 2021; 51:1143-1152. [PMID: 33354817 PMCID: PMC8247885 DOI: 10.1002/eji.202048990] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Revised: 11/24/2020] [Accepted: 12/21/2020] [Indexed: 12/21/2022]
Abstract
Lymphoid organ hypertrophy is a characteristic feature of acute infection and is considered to enable efficient induction of adaptive immune responses. Accordingly, oral infection with rotavirus induced a robust increase in cellularity in the mesenteric LNs, whose kinetics correlated with viral load and was caused by halted lymphocyte egress and increased recruitment of cells without altered cellular proliferation. Lymphocyte sequestration and mesenteric LN hypertrophy were independent of type 1 IFN receptor signaling or the continuous presence of TNF-α. Our results support previous findings that adaptive immunity toward rotavirus is initiated primarily in the mesenteric LNs and show that type I IFN or TNF-α are not required to coordinate the events involved in the LN response.
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Affiliation(s)
- Joy Nakawesi
- Immunology Section, Lund University, Lund, Sweden
| | | | | | - Bengt Johansson-Lindbom
- Immunology Section, Lund University, Lund, Sweden.,Division of Biopharma, Institute for Health Technology, Technical University of Denmark (DTU), Kongens, Denmark
| | - Katharina Lahl
- Immunology Section, Lund University, Lund, Sweden.,Division of Biopharma, Institute for Health Technology, Technical University of Denmark (DTU), Kongens, Denmark
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STAT6 signaling pathway controls germinal center responses promoted after antigen targeting to conventional type 2 dendritic cells. CURRENT RESEARCH IN IMMUNOLOGY 2021; 2:120-131. [PMID: 35492396 PMCID: PMC9040147 DOI: 10.1016/j.crimmu.2021.08.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2021] [Revised: 08/05/2021] [Accepted: 08/23/2021] [Indexed: 11/22/2022] Open
Abstract
Conventional dendritic cells (cDCs) are antigen-presenting cells specialized in naïve T cell priming. Mice splenic cDCs are classified as cDC1s and cDC2s, and their main functions have been elucidated in the last decade. While cDC1s are specialized in priming type 1 helper T cells (TH1) and in cross presentation, cDC2s prime T follicular helper (TFH) cells that stimulate germinal center (GC) formation, plasma cell differentiation and antibody production. However, less is known about the molecular mechanisms used by cDCs to prime those responses. Here, using WT and STAT6-deficient mice (STAT6 KO), we targeted a model antigen to cDC1s and cDC2s via DEC205 and DCIR2 receptors, respectively, in an attempt to study whether the STAT6 signaling pathway would modulate cDCs’ ability to prime helper T cells. We show that the differentiation and maturation of cDCs, after stimulation with an adjuvant, were comparable between WT and STAT6 KO mice. Besides, our results indicate that, in STAT6 KO mice, antigen targeting to cDC2s induced reduced TFH and GC responses, but did not alter plasma cells numbers and antibody titers. Thus, we conclude that the STAT6 signaling pathway modulates the immune response after antigen targeting to cDC2s via the DCIR2 receptor: while STAT6 stimulates the development of TFH cells and GC formation, plasma cell differentiation occurs in a STAT6 independent manner. cDC2s promote TFH and support germinal center and plasma cell responses. STAT6 modulates the immune response after antigen targeting to cDC2s. STAT6 stimulates germinal center formation after antigen targeting to cDC2s. Plasma cell differentiation occurs in a STAT6-independent manner. STAT6 does not influence cDC2s ability to promote CD4+ T cell proliferation.
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