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Advances in Pro-Inflammatory and Anti-Inflammatory Cytokines

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: closed (31 December 2025) | Viewed by 9759

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Guest Editor
Armed Forces Radiobiology Research Institute, Uniformed Services University of the Health Sciences, Bethesda, MD 20889-5648, USA
Interests: signal transduction; apoptosis; autophagy; cytokine/inflammation storm; acute radiation syndrome
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Special Issue Information

Dear Colleagues,

Over the past few years, research on pro-inflammatory and anti-inflammatory cytokines has tremendously furthered our understanding in the field of biology on a molecular level with disease progression. The balance between pro-inflammatory and anti-inflammatory cytokines contributes to homeostasis and maintenance of well-being. This has led to the potential new therapies, providing prophylactic or mitigative benefits to the treatment of complicated diseases. For example, using exosomes packed with cytokine(s) to correct certain metabolic problems or organ dysfunction has been published. A great deal of this progress is due to efforts that bridge across disciplines including molecular biology, biochemistry, pharmacology, and clinical medicine. The focus of this Special Issue is to bring together the most recent developments and state-of-the-art research studies to understand the molecular interaction between pro-inflammatory and anti-inflammatory cytokines and develop advanced prophylactics, mitigators, and therapies by managing the crosstalk of pro-inflammatory and anti-inflammatory cytokines. Original research articles, comprehensive reviews, and other article types are all welcome.

Suitable topics include, but are not limited to, the following:

  • Cell-based therapy;
  • Nanomedicine;
  • Drug development and mechanisms of drug action;
  • Innate and acquired immunity;
  • Microbe–host response.

Dr. Juliann G. Kiang
Guest Editor

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Keywords

  • pro-inflammation cytokine
  • anti-inflammation cytokine
  • chemotherapy
  • radiotherapy
  • signal transduction
  • microbiome–host response
  • sepsis
  • bone marrow
  • GI
  • brain

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Published Papers (6 papers)

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Research

Jump to: Review

22 pages, 7527 KB  
Article
Cytokine Profiling for the Prediction of Lethality and High-Dose Exposure in a Murine Partial Body Irradiation Model
by Wanchang Cui, Lisa Hull, Asher Rothstein, Li Wang, Bin Lin, Min Zhai, Alia Weaver and Mang Xiao
Int. J. Mol. Sci. 2026, 27(7), 3213; https://doi.org/10.3390/ijms27073213 - 1 Apr 2026
Viewed by 608
Abstract
Accurate radiation biodosimetry is urgently needed for medical management after large-scale radiation exposure. Partial-body irradiation with 5% bone marrow sparing (PBI/BM5) provides a realistic radiation model. The current study specifically focused on the high-dose lethality window (12–16 Gy), where survival transitioned from 100% [...] Read more.
Accurate radiation biodosimetry is urgently needed for medical management after large-scale radiation exposure. Partial-body irradiation with 5% bone marrow sparing (PBI/BM5) provides a realistic radiation model. The current study specifically focused on the high-dose lethality window (12–16 Gy), where survival transitioned from 100% to 0%, representing a clinically distinct and underserved scenario requiring dedicated biodosimetry tools. We defined the survival profile of male C57BL/6 mice after PBI/BM5 and found that doses of 13.5–14.0 Gy were nonlethal within 12 days, whereas 15.0–15.5 Gy caused 100% mortality within 12 days, with a calculated LD50/12 of 14.68 Gy. A separate cohort of 14.0 Gy showed 100% survival up to 90 days post-radiation. To develop serum cytokine-based biodosimetry in high-dose radiation exposure, mice were exposed to 12.0–16.0 Gy PBI/BM5, and serum was collected on days 1, 3, and 7. A multiplex cytokine assay was used to quantify 70 total cytokines/chemokines. After the exclusion of 4 targets outside detection limits, 66 markers were utilized for downstream analysis. PCA, clustering and heatmaps, and LASSO classification revealed that cytokine signatures can classify radiation groups/status/doses. A 4-cytokine panel (IL-7, GDF-15, IL-16 and FLT3L) could distinguish naïve vs. irradiated mice on all study days. A 24-cytokine signature panel distinguished radiation survivors vs. non-survivors, and another 34-cytokine panel separated radiation doses (12–16 Gy); the prediction was better on day 7 compared to earlier time points. This exploratory study was specifically designed to define the systemic inflammatory response in a high-dose window where survival transitions from 100% to 0% (the ‘lethality threshold’) in a clinically relevant partial-body irradiation model. These findings show that serum cytokines have strong potential for high-dose triage, survival prediction, and dose discrimination within the near-lethal exposure range in a clinically relevant PBI/BM5 model. Extension to lower dose ranges is an important direction for future work. Full article
(This article belongs to the Special Issue Advances in Pro-Inflammatory and Anti-Inflammatory Cytokines)
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22 pages, 5855 KB  
Article
JNJ-26366821 Attenuates Radiation-Induced Pro-Inflammatory Cytokines and miRNAs and Triggers TR/RXR Signaling Pathway
by Vidya P. Kumar, Bernedette Hritzo, Dharmendra Kumar Soni, Venkateshwara Rao Dronamraju, Gregory P. Holmes-Hampton, Roopa Biswas and Sanchita P. Ghosh
Int. J. Mol. Sci. 2026, 27(5), 2181; https://doi.org/10.3390/ijms27052181 - 26 Feb 2026
Viewed by 469
Abstract
JNJ-26366821, a novel thrombopoietin mimetic peptide (TPOm), is shown to increase platelets (PLTs) transiently in peripheral blood. We hypothesized that increases in PLT counts may involve stimulation of hematopoiesis via induction of cytokines, growth factors, and microRNAs. Hence, we measured various cytokines, chemokines, [...] Read more.
JNJ-26366821, a novel thrombopoietin mimetic peptide (TPOm), is shown to increase platelets (PLTs) transiently in peripheral blood. We hypothesized that increases in PLT counts may involve stimulation of hematopoiesis via induction of cytokines, growth factors, and microRNAs. Hence, we measured various cytokines, chemokines, and growth factors in serum. Time-course analysis of G-CSF, IL-5, IL-6, IL-9, IL-10, TNFα, IL-1α, and IL-1β expression was significantly altered in the control group at 9.5 Gy compared to a lower non-lethal dose of 7 Gy on days 7 to 15 post-exposure. TPOm pre-treatment significantly ameliorated the changes in expression of these pro-inflammatory cytokines and growth factors. Additionally, we show that TPOm differentially modulates the miRNA expression profiles in the spleen of irradiated mice compared to controls at both early times as well as later times after irradiation. These results suggest a possible role of TPOm in protecting animals from radiation-induced thrombocytopenia and lethality by attenuating radiation-induced inflammatory cytokines and miRNAs. Full article
(This article belongs to the Special Issue Advances in Pro-Inflammatory and Anti-Inflammatory Cytokines)
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13 pages, 2577 KB  
Article
Anti-IL-4, Anti-IL-17, and Anti-IFN-Gamma Activity in the Saliva of Amblyomma sculptum Ticks
by Helioswilton Sales-Campos, Chamberttan Souza Desidério, Rafael Obata Trevisan, Rodolfo Pessato Timóteo, Victor Hugo Palhares Flávio-Reis, Yago Marcos Pessoa-Gonçalves, Marcos Vinicius da Silva, Eliane Esteves, Thiago de Jesus Oliveira, Pedro Ismael da Silva Junior and Carlo José Freire Oliveira
Int. J. Mol. Sci. 2025, 26(10), 4734; https://doi.org/10.3390/ijms26104734 - 15 May 2025
Cited by 2 | Viewed by 1279
Abstract
The saliva of hematophagous arthropods, such as ticks and triatomines, contains bioactive ligands capable of modulating immune molecules, including cytokines. Cytokines play a critical role in immune regulation and have therapeutic relevance in inflammatory and immune-mediated diseases. Despite recent advances, identifying cytokine-binding molecules [...] Read more.
The saliva of hematophagous arthropods, such as ticks and triatomines, contains bioactive ligands capable of modulating immune molecules, including cytokines. Cytokines play a critical role in immune regulation and have therapeutic relevance in inflammatory and immune-mediated diseases. Despite recent advances, identifying cytokine-binding molecules remains a significant challenge. Interferon-gamma (IFN-γ), interleukin-4 (IL-4), and interleukin-17 (IL-17) are key cytokines involved in inflammation, adaptive immunity, and host defense. This study evaluated the ability of salivary components from Amblyomma sculptum and compared the results to the triatomine Rhodnius neglectus (used as control) to bind to IL-2, IL-4, IL-6, IL-10, IL-17, IFN-γ, and TNF-α using ELISA assays with human cytokines. Saliva samples were tested at dilutions of 1:25, 1:50, and 1:100. Saliva from A. sculptum, which demonstrated significant anti-cytokine activity, was fractionated via HPLC to identify the active components. The results confirmed the inhibitory capacity of A. sculptum saliva on IFN-γ, IL-4, and IL-17, with inhibition rates ranging from 30% to 70%, depending on the cytokine and dilution. No inhibitory activity was observed against IL-2, IL-6, IL-10, or TNF-α. These findings underscore the immunomodulatory role of A. sculptum saliva during tick feeding and suggest its potential for the development of novel immunobiologics to treat inflammatory and immune-mediated diseases. Full article
(This article belongs to the Special Issue Advances in Pro-Inflammatory and Anti-Inflammatory Cytokines)
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14 pages, 2444 KB  
Article
RIPK2 Is Crucial for the Microglial Inflammatory Response to Bacterial Muramyl Dipeptide but Not to Lipopolysaccharide
by Changjun Yang, Maria Carolina Machado da Silva, John Aaron Howell, Jonathan Larochelle, Lei Liu, Rachel E. Gunraj, Antônio Carlos Pinheiro de Oliveira and Eduardo Candelario-Jalil
Int. J. Mol. Sci. 2024, 25(21), 11754; https://doi.org/10.3390/ijms252111754 - 1 Nov 2024
Cited by 4 | Viewed by 3152
Abstract
Receptor-interacting serine/threonine protein kinase 2 (RIPK2) is a kinase that is essential in modulating innate and adaptive immune responses. As a downstream signaling molecule for nucleotide-binding oligomerization domain 1 (NOD1), NOD2, and Toll-like receptors (TLRs), it is implicated in the signaling triggered by [...] Read more.
Receptor-interacting serine/threonine protein kinase 2 (RIPK2) is a kinase that is essential in modulating innate and adaptive immune responses. As a downstream signaling molecule for nucleotide-binding oligomerization domain 1 (NOD1), NOD2, and Toll-like receptors (TLRs), it is implicated in the signaling triggered by recognition of microbe-associated molecular patterns by NOD1/2 and TLRs. Upon activation of these innate immune receptors, RIPK2 mediates the release of pro-inflammatory factors by activating mitogen-activated protein kinases (MAPKs) and nuclear factor-kappa B (NF-κB). However, whether RIPK2 is essential for downstream inflammatory signaling following the activation of NOD1/2, TLRs, or both remains controversial. In this study, we examined the role of RIPK2 in NOD2- and TLR4-dependent signaling cascades following stimulation of microglial cells with bacterial muramyl dipeptide (MDP), a NOD2 agonist, or lipopolysaccharide (LPS), a TLR4 agonist. We utilized a highly specific proteolysis targeting chimera (PROTAC) molecule, GSK3728857A, and found dramatic degradation of RIPK2 in a concentration- and time-dependent manner. Importantly, the PROTAC completely abolished MDP-induced increases in iNOS and COX-2 protein levels and pro-inflammatory gene transcription of Nos2, Ptgs2, Il-1β, Tnfα, Il6, Ccl2, and Mmp9. However, increases in iNOS and COX-2 proteins and pro-inflammatory gene transcription induced by the TLR4 agonist, LPS, were only slightly attenuated with the GSK3728857A pretreatment. Further findings revealed that the RIPK2 PROTAC completely blocked the phosphorylation and activation of p65 NF-κB and p38 MAPK induced by MDP, but it had no effects on the phosphorylation of these two mediators triggered by LPS. Collectively, our findings strongly suggest that RIPK2 plays an essential role in the inflammatory responses of microglia to bacterial MDP but not to LPS. Full article
(This article belongs to the Special Issue Advances in Pro-Inflammatory and Anti-Inflammatory Cytokines)
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Review

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16 pages, 1374 KB  
Review
The Pleiotropic Effect of Complement C5a-C5aR1 Pathway in Diseases: From Immune Regulation to Targeted Therapy
by Baohong Xu, Zhi Zhou, Yang Xiao, Qiaolin Liu, Tiaoyi Xiao, Zhao Lv and Hongquan Wang
Int. J. Mol. Sci. 2025, 26(23), 11693; https://doi.org/10.3390/ijms262311693 - 3 Dec 2025
Viewed by 1831
Abstract
The complement system plays a pivotal role in the body’s immune defense mechanism. Its key effector molecule C5a and its primary receptor C5aR1 exhibit complex “double-edged sword” effects in various disease processes, including infectious diseases, inflammatory conditions, tumors, and metabolic disorders. Under normal [...] Read more.
The complement system plays a pivotal role in the body’s immune defense mechanism. Its key effector molecule C5a and its primary receptor C5aR1 exhibit complex “double-edged sword” effects in various disease processes, including infectious diseases, inflammatory conditions, tumors, and metabolic disorders. Under normal physiological conditions, moderate levels of C5a bind to the C5aR1 receptor, recruiting immune cells to the site of infection to participate in immune defense and enhancing the body’s ability to clear pathogens. However, in various disease states, the C5a-C5aR1 pathway primarily shapes the disease microenvironment through regulating cellular pro-inflammatory and immune functions, angiogenesis processes, and tissue repair processes. It also promotes tumor immune escape through a novel mechanism through modulating the polarization of myeloid-derived suppressor cells (MDSCs) and regulating T cell function. The C5a-mediated “inflammation–fibrosis–metabolic reprogramming” vicious cycle has become a key molecular basis driving disease progression, maintaining pathological states, and promoting abnormal tissue damage repair in chronic inflammatory diseases. Through elucidating the structural biology of C5aR1 and designing allosteric modulators, nanobodies, and bifunctional molecules as new targeted intervention strategies, we aim to accelerate research progress in related medical fields. This article reviewed the molecular mechanisms of the complement system in tumor immune escape, chronic inflammation, fibrosis, and cardiovascular diseases, and explored the translational potential of targeted interventions. These discussions provide a solid theoretical foundation and new research perspectives for the medical field, aiding in the advancement of further discoveries. Full article
(This article belongs to the Special Issue Advances in Pro-Inflammatory and Anti-Inflammatory Cytokines)
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18 pages, 540 KB  
Review
An Update on Dynamic Changes in Cytokine Expression and Dysbiosis Due to Radiation Combined Injury
by Juliann G. Kiang and Georgetta Cannon
Int. J. Mol. Sci. 2025, 26(21), 10456; https://doi.org/10.3390/ijms262110456 - 28 Oct 2025
Cited by 1 | Viewed by 1416
Abstract
The complexity of adverse responses from radiation injury (RI) followed by physical trauma, namely, radiation combined injury (RCI), is unique and more pronounced than either insult alone due to a poor understanding of the integration of these insults at the molecular/cellular/tissue and/or organ [...] Read more.
The complexity of adverse responses from radiation injury (RI) followed by physical trauma, namely, radiation combined injury (RCI), is unique and more pronounced than either insult alone due to a poor understanding of the integration of these insults at the molecular/cellular/tissue and/or organ levels. It was shown that mice receiving 60Co γ-photon RCI with wounding had a lower LD50/30 than RI alone. This survival synergism was observed in bone marrow and the gastrointestinal system, as evidenced by an increase in γ-H2AX expression in bone marrow cell DNA, loss of circulatory blood cells, elevation of serum cytokine concentration, and activation of nuclear factor-κB/inducible nitric oxide synthase, and an earlier onset of bacterial infection and sepsis after RCI than after RI was detected. Dysbiosis (imbalance of the gut microbiota) was observed. There remains a pressing need for both prophylactic countermeasures and therapeutic remedies to deal with RCI threats. Investigations of how RCI can affect this important network of communication between the gut microbiota and other organs, including the brain, lung, heart, liver, kidney, and skin, could lead to new and critical interventions and prevention strategies. This review provides an update on new RCI animal models, dynamic changes in cytokine expression, dysbiosis, as well as links between the gut microbiome and other organs after RCI. Full article
(This article belongs to the Special Issue Advances in Pro-Inflammatory and Anti-Inflammatory Cytokines)
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