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Role of Immune Cells in Non-infectious Inflammatory Diseases and Cancers

A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Molecular Immunology".

Deadline for manuscript submissions: 25 September 2024 | Viewed by 5312

Special Issue Editor


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Guest Editor
1. Laboratory of Angiopathology, Institute of General Pathology and Pathophysiology, 125315 Moscow, Russia
2. Laboratory of Cellular and Molecular Pathology of Cardiovascular System, Avtsyn Research Institute of Human Morphology of Federal State Budgetary Scientific Institution “Petrovsky National Research Center of Surgery”, 117418 Moscow, Russia
3. Department of Biology and General Genetics, I.M. Sechenov First Moscow State Medical University (Sechenov University), 105043 Moscow, Russia
Interests: atherosclerosis; mitophagy; atherogenicity; atherosclerosis; autoantibodies; inflammation; innate immunity; amyloid
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Special Issue Information

Dear Colleagues,

Despite recent progress in treatment of atherosclerosis related to lipid-lowering therapies still we are very far from being able to completely eliminate or prevent this pathological condition. The main reason of this problem is the lack of complete understanding of all pathological changes happening upon atherosclerosis development which makes almost impossible the creation of new effective drugs. It should be mentioned also that chronic inflammation is believed to be one of the main contributing factors for the development of plethora of diseases starting from atherosclerosis, cancer, rheumatoid arthritis and ending with inevitable aging process.

The Special Issue will be dedicated to the role of immune cells in the development of atherosclerosis and other non-infectious inflammatory diseases. The aim of this Special Issue is to try to take a new look at the inflammatory component of atherosclerosis development including the comparison of the role of immune cells in inflammation in atherosclerosis and in other non-infectious inflammatory diseases with the ultimate goal to find general principles and targets for therapy and drug creation.

All studies devoted to the role of immunity-related cells (such as macrophages, T- and B- cells etc.) in pathological mechanisms non-infectious inflammatory diseases development will be welcome for the submission.

Dr. Evgeny E. Bezsonov
Guest Editor

Manuscript Submission Information

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Keywords

  • cytokines
  • immunity cells
  • atherosclerosis
  • inflammation
  • immunity

Published Papers (5 papers)

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Research

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16 pages, 6502 KiB  
Article
Immunological Landscapes in Lung Transplantation: Insights from T Cell Profiling in BAL and PBMC
by Tharushi Ayanthika de Silva, Simon Apte, Joanne Voisey, Kirsten Spann, Maxine Tan, Daniel Chambers and Brendan O’Sullivan
Int. J. Mol. Sci. 2024, 25(5), 2476; https://doi.org/10.3390/ijms25052476 - 20 Feb 2024
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Abstract
Lung transplant recipients frequently encounter immune-related complications, including chronic lung allograft dysfunction (CLAD). Monitoring immune cells within the lung microenvironment is pivotal for optimizing post-transplant outcomes. This study examined the proportion of T cell subsets in paired bronchoalveolar lavage (BAL) and peripheral PBMC [...] Read more.
Lung transplant recipients frequently encounter immune-related complications, including chronic lung allograft dysfunction (CLAD). Monitoring immune cells within the lung microenvironment is pivotal for optimizing post-transplant outcomes. This study examined the proportion of T cell subsets in paired bronchoalveolar lavage (BAL) and peripheral PBMC comparing healthy (n = 4) and lung transplantation patients (n = 6, no CLAD and n = 14 CLAD) using 14-color flow cytometry. CD4+ T cell proportions were reduced in CD3 cells in both PBMC and BAL, and positive correlations were discerned between T cell populations in peripheral PBMC and BAL, suggesting the prospect of employing less invasive PBMC sampling as a means of monitoring lung T cells. Furthermore, regulatory T cells (Tregs) were enriched in BAL when compared to peripheral PBMC for transplant recipients. A parallel positive correlation emerged between Treg proportions in BAL and peripheral PBMC, underscoring potential avenues for monitoring lung Tregs. Finally, the most promising biomarker was the Teff (CD8+Granzyme B+)–Treg ratio, which was higher in both the PBMC and BAL of transplant recipients compared to healthy individuals, and increased in the patients with CLAD compared to no CLAD and healthy patients. Conclusions: Distinct T cell profiles in BAL and peripheral PBMC underscore the significance of localized immune monitoring in lung transplantation. The Teff (CD8+granzyme B+)–Treg ratio, particularly within the context of CLAD, emerges as a promising blood and BAL biomarker reflective of inflammation and transplant-related complications. These findings emphasize the imperative need for personalized immune monitoring strategies that tailored to address the unique immunological milieu in post-transplant lungs. Full article
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22 pages, 8967 KiB  
Article
Traversing through the Mechanistic Event Analysis in IL-6 and IL-17 Signaling for a New Therapeutic Paradigm in NSCLC
by Riya Khilwani and Shailza Singh
Int. J. Mol. Sci. 2024, 25(2), 1216; https://doi.org/10.3390/ijms25021216 - 19 Jan 2024
Viewed by 1001
Abstract
IL-6 and IL-17 are paradoxical cytokines that progress inflammatory states in chronic diseases, including cancer. In lung cancer, their role has been elucidated to favor cancer development by modulating signaling mechanisms critical to cellular growth. The intrinsic ability of these cytokines to influence [...] Read more.
IL-6 and IL-17 are paradoxical cytokines that progress inflammatory states in chronic diseases, including cancer. In lung cancer, their role has been elucidated to favor cancer development by modulating signaling mechanisms critical to cellular growth. The intrinsic ability of these cytokines to influence macroautophagy is yet another reason to facilitate lung cancer. Here, we employed a systems immunology approach to discover the mechanistic role of these cytokines in cancer development. In a biological system, at later stages, the activation of NFkB stimulates immunosuppressive phenotypes to achieve tolerating effects in a transformed cell. We found that the upregulation of cytokines signaled M2 macrophages to modulate tumor responses through the activation of autophagic intermediates and inflammasome mediators. This caused immune perturbations in the tumor microenvironment, which were associated with cancer inflammation. To address these inflammatory states, we performed triggered event analysis to examine whether overexpressing immune effectors or downregulating immune suppressors may have an effect on cancer reversal. Interestingly, the inhibition of immune regulators opposed the model outcome to an increased immune response. Therefore, IL6-IL17-mediated regulation of lung cancer may address tumor malignancy and potentiate the development of newer therapeutics for NSCLC. Full article
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Review

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14 pages, 1016 KiB  
Review
Compilation of Evidence Supporting the Role of a T Helper 2 Reaction in the Pathogenesis of Acute Appendicitis
by Nuno Carvalho, Ana Lúcia Barreira, Susana Henriques, Margarida Ferreira, Carlos Cardoso, Carlos Luz and Paulo Matos Costa
Int. J. Mol. Sci. 2024, 25(8), 4216; https://doi.org/10.3390/ijms25084216 - 11 Apr 2024
Viewed by 311
Abstract
Despite being the most common abdominal surgical emergency, the cause of acute appendicitis (AA) remains unclear, since in recent decades little progress has been made regarding its etiology. Obstruction of the appendicular lumen has been traditionally presented as the initial event of AA; [...] Read more.
Despite being the most common abdominal surgical emergency, the cause of acute appendicitis (AA) remains unclear, since in recent decades little progress has been made regarding its etiology. Obstruction of the appendicular lumen has been traditionally presented as the initial event of AA; however, this is often the exception rather than the rule, as experimental data suggest that obstruction is not an important causal factor in AA, despite possibly occurring as a consequence of the inflammatory process. Type I hypersensitivity reaction has been extensively studied, involving Th2 lymphocytes, and cytokines such as IL-4, IL-5, IL-9 and IL-13, which have well-defined functions, such as a positive-feedback effect on Th0 for differentiating into Th2 cells, recruitment of eosinophils and the release of eosinophilic proteins and the production of IgE with the activation of mast cells, with the release of proteins from their granules. Cytotoxic activity and tissue damage will be responsible for the clinical manifestation of the allergy. AA histological features are similar to those found in allergic reactions like asthma. The intestine has all the components for an allergic immune response. It has contact with hundreds of antigens daily, most of them harmless, but some can potentially induce an allergic response. In recent years, researchers have been trying to assess if allergy is a component of AA, with their latest advances in the understanding of AA as a Th2 reaction shown by the authors of this article. Full article
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15 pages, 1366 KiB  
Review
HTRA2/OMI-Mediated Mitochondrial Quality Control Alters Macrophage Polarization Affecting Systemic Chronic Inflammation
by Qingqing Liu, Xiaoyu Yan, Yuan Yuan, Runyuan Li, Yuanxin Zhao, Jiaying Fu, Jian Wang and Jing Su
Int. J. Mol. Sci. 2024, 25(3), 1577; https://doi.org/10.3390/ijms25031577 - 27 Jan 2024
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Abstract
Systemic chronic inflammation (SCI) due to intrinsic immune over-activation is an important factor in the development of many noninfectious chronic diseases, such as neurodegenerative diseases and diabetes mellitus. Among these immune responses, macrophages are extensively involved in the regulation of inflammatory responses by [...] Read more.
Systemic chronic inflammation (SCI) due to intrinsic immune over-activation is an important factor in the development of many noninfectious chronic diseases, such as neurodegenerative diseases and diabetes mellitus. Among these immune responses, macrophages are extensively involved in the regulation of inflammatory responses by virtue of their polarization plasticity; thus, dysregulation of macrophage polarization direction is one of the potential causes of the generation and maintenance of SCI. High-temperature demand protein A2 (HtrA2/Omi) is an important regulator of mitochondrial quality control, not only participating in the degradation of mis-accumulated proteins in the mitochondrial unfolded protein response (UPRmt) to maintain normal mitochondrial function through its enzymatic activity, but also participating in the regulation of mitochondrial dynamics-related protein interactions to maintain mitochondrial morphology. Recent studies have also reported the involvement of HtrA2/Omi as a novel inflammatory mediator in the regulation of the inflammatory response. HtrA2/Omi regulates the inflammatory response in BMDM by controlling TRAF2 stabilization in a collagen-induced arthritis mouse model; the lack of HtrA2 ameliorates pro-inflammatory cytokine expression in macrophages. In this review, we summarize the mechanisms by which HtrA2/Omi proteins are involved in macrophage polarization remodeling by influencing macrophage energy metabolism reprogramming through the regulation of inflammatory signaling pathways and mitochondrial quality control, elucidating the roles played by HtrA2/Omi proteins in inflammatory responses. In conclusion, interfering with HtrA2/Omi may become an important entry point for regulating macrophage polarization, providing new research space for developing HtrA2/Omi-based therapies for SCI. Full article
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18 pages, 961 KiB  
Review
Role of Regulatory T Cells and Their Potential Therapeutic Applications in Celiac Disease
by Alessandra Camarca, Vera Rotondi Aufiero and Giuseppe Mazzarella
Int. J. Mol. Sci. 2023, 24(19), 14434; https://doi.org/10.3390/ijms241914434 - 22 Sep 2023
Cited by 1 | Viewed by 1338
Abstract
Celiac disease (CeD) is a T-cell-mediated immune disease, in which gluten-derived peptides activate lamina propria effector CD4+ T cells. While this effector T cell subset produces proinflammatory cytokines, which cause substantial tissue injury in vivo, additional subsets of T cells exist with regulatory [...] Read more.
Celiac disease (CeD) is a T-cell-mediated immune disease, in which gluten-derived peptides activate lamina propria effector CD4+ T cells. While this effector T cell subset produces proinflammatory cytokines, which cause substantial tissue injury in vivo, additional subsets of T cells exist with regulatory functions (Treg). These subsets include CD4+ type 1 regulatory T cells (Tr1) and CD4+ CD25+ T cells expressing the master transcription factor forkhead box P3 (Foxp3) that may have important implications in disease pathogenesis. In this review, we provide an overview of the current knowledge about the effects of immunomodulating cytokines on CeD inflammatory status. Moreover, we outline the main Treg cell populations found in CeD and how their regulatory activity could be influenced by the intestinal microenvironment. Finally, we discuss the Treg therapeutic potential for the development of alternative strategies to the gluten-free diet (GFD). Full article
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