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Li K, Zheng X, Zhang J, Yan Z, Ji Y, Ge F, Zhu F. The effect of Jian Gan powder on the proliferation, migration and polarization of macrophages and relative mechanism. PHARMACEUTICAL BIOLOGY 2024; 62:162-169. [PMID: 38327157 PMCID: PMC10854435 DOI: 10.1080/13880209.2024.2309864] [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: 08/05/2023] [Accepted: 01/21/2024] [Indexed: 02/09/2024]
Abstract
CONTEXT Jian Gan powder (JGP) is a Chinese medicine compound comprised ginseng, Radix Paeoniae Alba, Radix Astragali, Salvia miltiorrhiza, Yujin, Rhizoma Cyperi, Fructus aurantii, Sophora flavescens, Yinchen, Bupleurum and licorice. OBJECTIVE This study explored the inhibitory effects, polarization and potential mechanisms associated with JGP in macrophages. MATERIALS AND METHODS RAW264.7 cells were randomly divided into six groups for 24 h: control, lipopolysaccharide (LPS), overexpression, 1% JGP, 2% JGP, 4% JGP, 8% JGP and 16% JGP. The effects of JGP on RAW264.7 cell proliferation were assessed using colony formation assays and cell counting kit-8 (CCK-8) assays. The Transwell assay was used to evaluate its impact on RAW264.7 cell migration. Moreover, we analysed the interleukin-6 (IL-6)/signal transducer and activator of the transcription 3 (IL-6/STAT3) signaling pathway using quantitative real-time PCR and Western blotting. Furthermore, we examined the M1/M2 polarization levels. RESULTS Unlike LPS stimulation, JGP serum treatment markedly suppressed macrophage proliferation and migration capacity, while STAT3 overexpression enhanced RAW264.7 cell proliferation and migration. JGP inhibited the proliferation and migration of RAW264.7 cells by attenuating the IL-6/STAT3 signaling pathway. Furthermore, it inhibited macrophage M1 polarization, promoting M2 polarization. DISCUSSION AND CONCLUSIONS JGP effectively suppressed the cellular function of RAW264.7 cells by down-regulating the IL-6/STAT3 signaling pathway and modulating macrophage M1/M2 polarization. These findings provide valuable theoretical and experimental basis for considering the potential clinical application of JGP in the treatment of immune-mediated liver injury in clinical practice.
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Affiliation(s)
- Kun Li
- Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, PR China
- Department of Spleen and Stomach Diseases, Hai’an Traditional Chinese Medicine Hospital, Nantong, PR China
- Clinical Research Department of Chinese and Western Medicine, Jiangsu Province Academy of Traditional Chinese Medicine, Nanjing, PR China
| | - Xue Zheng
- Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, PR China
- Clinical Research Department of Chinese and Western Medicine, Jiangsu Province Academy of Traditional Chinese Medicine, Nanjing, PR China
| | - Jian Zhang
- College of Pharmaceutical Science, Soochow University, Suzhou, PR China
| | - Zhanpeng Yan
- Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, PR China
- Clinical Research Department of Chinese and Western Medicine, Jiangsu Province Academy of Traditional Chinese Medicine, Nanjing, PR China
| | - Yu Ji
- Department of Spleen and Stomach Diseases, Hai’an Traditional Chinese Medicine Hospital, Nantong, PR China
| | - Fei Ge
- Department of Spleen and Stomach Diseases, Hai’an Traditional Chinese Medicine Hospital, Nantong, PR China
| | - Fangshi Zhu
- Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, PR China
- Clinical Research Department of Chinese and Western Medicine, Jiangsu Province Academy of Traditional Chinese Medicine, Nanjing, PR China
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Choi HJ, Park GH, Choi JW, Park SJ, Hwang JH, Lee SH, Kwon HY, Choi MY, Jeong JB. Immunostimulatory activity of the aqueous extract from the leaves of Sambucus racemosa subsp. pendula through TLR4‑dependent JNK activation in RAW264.7 cells. Biomed Rep 2024; 21:133. [PMID: 39091599 PMCID: PMC11292108 DOI: 10.3892/br.2024.1821] [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: 05/25/2024] [Accepted: 06/28/2024] [Indexed: 08/04/2024] Open
Abstract
Sambucus racemosa subsp. pendula (SRP) is an endemic plant of Korea, exclusively found on Ulleungdo Island. SRP is widely used as both a traditional medicine and food source. However, there is a lack of research on the pharmacological activities of SRP. Therefore, the present study aimed to explore the potential use of SRP leaves (SRPL) as a natural immunostimulant by analyzing its macrophage activation properties and the underlying mechanisms of action. Among the various extraction conditions, SRPL (AE20-SRPL) extracted with 100% distilled water at 20˚C induced the highest nitric oxide (NO) production in RAW264.7 cells. Thus, the further studies were performed using AE20-SRPL. AE20-SRPL increased the production of immunostimulatory factors such as NO, prostaglandin E2, inducible nitric oxide synthase, cyclooxygenase-2, IL-1β and TNF-α and phagocytosis in a dose-dependent manner in RAW264.7 cells without exhibiting cytotoxicity. Among Toll-like receptor (TLR)2 and TLR4, inhibition of TLR4 significantly reduced AE20-SRPL-mediated increases in the production of immunostimulatory factors and phagocytosis in RAW264.7 cells. Furthermore, in RAW264.7 cells, inhibition of JNK, one of the components of MAPK signaling along with ERK1/2 and p38, attenuated the AE20-SRPL-mediated increases in the production of immunostimulatory factors and phagocytosis. Additionally, AE20-SRPL induced the phosphorylation of JNK and inhibition of TLR4 reduced AE20-SRPL-mediated JNK phosphorylation. These results suggested that AE20-SRPL may enhance the production of immunostimulatory factors and phagocytosis through TLR4-dependent activation of JNK in macrophages. Although the present study is limited to in vitro research using a cell model, AE20-SRPL demonstrated potential as a natural material capable of inducing macrophage activation for immune enhancement.
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Affiliation(s)
- Hyeok Jin Choi
- Department of Forest Science, Andong National University, Andong, Gyeongsangbuk 36729, Republic of Korea
| | - Gwang Hun Park
- Forest Medicinal Resources Research Center, National Institute of Forest Science, Yeongju, Gyeongsangbuk 36040, Republic of Korea
| | - Jeong Won Choi
- Department of Forest Science, Andong National University, Andong, Gyeongsangbuk 36729, Republic of Korea
| | - So Jung Park
- Department of Forest Science, Andong National University, Andong, Gyeongsangbuk 36729, Republic of Korea
| | - Jin Hyuk Hwang
- Department of Forest Science, Andong National University, Andong, Gyeongsangbuk 36729, Republic of Korea
| | - Sang Hun Lee
- Department of Forest Science, Andong National University, Andong, Gyeongsangbuk 36729, Republic of Korea
| | - Hae-Yun Kwon
- Forest Medicinal Resources Research Center, National Institute of Forest Science, Yeongju, Gyeongsangbuk 36040, Republic of Korea
| | - Min Yeong Choi
- Forest Medicinal Resources Research Center, National Institute of Forest Science, Yeongju, Gyeongsangbuk 36040, Republic of Korea
| | - Jin Boo Jeong
- Department of Forest Science, Andong National University, Andong, Gyeongsangbuk 36729, Republic of Korea
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Xu H, Yan S, Gerhard E, Xie D, Liu X, Zhang B, Shi D, Ameer GA, Yang J. Citric Acid: A Nexus Between Cellular Mechanisms and Biomaterial Innovations. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2402871. [PMID: 38801111 PMCID: PMC11309907 DOI: 10.1002/adma.202402871] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/25/2024] [Revised: 05/07/2024] [Indexed: 05/29/2024]
Abstract
Citrate-based biodegradable polymers have emerged as a distinctive biomaterial platform with tremendous potential for diverse medical applications. By harnessing their versatile chemistry, these polymers exhibit a wide range of material and bioactive properties, enabling them to regulate cell metabolism and stem cell differentiation through energy metabolism, metabonegenesis, angiogenesis, and immunomodulation. Moreover, the recent US Food and Drug Administration (FDA) clearance of the biodegradable poly(octamethylene citrate) (POC)/hydroxyapatite-based orthopedic fixation devices represents a translational research milestone for biomaterial science. POC joins a short list of biodegradable synthetic polymers that have ever been authorized by the FDA for use in humans. The clinical success of POC has sparked enthusiasm and accelerated the development of next-generation citrate-based biomaterials. This review presents a comprehensive, forward-thinking discussion on the pivotal role of citrate chemistry and metabolism in various tissue regeneration and on the development of functional citrate-based metabotissugenic biomaterials for regenerative engineering applications.
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Affiliation(s)
- Hui Xu
- Department of Biomedical Engineering, The Pennsylvania State University, University Park, PA, 16802, USA
| | - Su Yan
- Department of Biomedical Engineering, The Pennsylvania State University, University Park, PA, 16802, USA
| | - Ethan Gerhard
- Department of Biomedical Engineering, The Pennsylvania State University, University Park, PA, 16802, USA
| | - Denghui Xie
- Department of Histology and Embryology, School of Basic Medical Sciences, Department of Orthopedic Surgery, The Third Affiliated Hospital of Southern Medical University, Southern Medical University, Guangzhou, 510515, P. R. China
- Academy of Orthopedics of Guangdong Province, Guangdong Provincial Key Laboratory of Bone and Joint Degeneration Diseases, Guangzhou, 510630, P. R. China
| | - Xiaodong Liu
- Research Center for Industries of the Future, Westlake University, Hangzhou, Zhejiang, 310030, P. R. China
- School of Life Sciences, Westlake University, Hangzhou, Zhejiang, 310030, P. R. China
- Westlake Laboratory of Life Sciences and Biomedicine, Hangzhou, Zhejiang, 310030, P. R. China
- Westlake Institute for Advanced Study, Hangzhou, Zhejiang, 310030, P. R. China
| | - Bing Zhang
- Research Center for Industries of the Future, Westlake University, Hangzhou, Zhejiang, 310030, P. R. China
- School of Life Sciences, Westlake University, Hangzhou, Zhejiang, 310030, P. R. China
- Westlake Laboratory of Life Sciences and Biomedicine, Hangzhou, Zhejiang, 310030, P. R. China
- Westlake Institute for Advanced Study, Hangzhou, Zhejiang, 310030, P. R. China
| | - Dongquan Shi
- Division of Sports Medicine and Adult Reconstructive Surgery, Department of Orthopedic Surgery, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, 321 Zhongshan Road, Nanjing, Jiangsu, 210008, P. R. China
| | - Guillermo A Ameer
- Department of Biomedical Engineering, Northwestern University, Evanston, IL, 60208, USA
- Center for Advanced Regenerative Engineering, Northwestern University, Evanston, IL, 60208, USA
- Department of Surgery, Feinberg School of Medicine, Northwestern University, Chicago, IL, 60611, USA
| | - Jian Yang
- Research Center for Industries of the Future, Westlake University, Hangzhou, Zhejiang, 310030, P. R. China
- Biomedical Engineering Program, School of Engineering, Westlake University, Hangzhou, Zhejiang, 310030, P. R. China
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Mun SJ, Cho E, Kim HK, Gil WJ, Yang CS. Enhancing acute inflammatory and sepsis treatment: superiority of membrane receptor blockade. Front Immunol 2024; 15:1424768. [PMID: 39081318 PMCID: PMC11286478 DOI: 10.3389/fimmu.2024.1424768] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2024] [Accepted: 07/03/2024] [Indexed: 08/02/2024] Open
Abstract
Conditions such as acute pancreatitis, ulcerative colitis, delayed graft function and infections caused by a variety of microorganisms, including gram-positive and gram-negative organisms, increase the risk of sepsis and therefore mortality. Immune dysfunction is a characterization of sepsis, so timely and effective treatment strategies are needed. The conventional approaches, such as antibiotic-based treatments, face challenges such as antibiotic resistance, and cytokine-based treatments have shown limited efficacy. To address these limitations, a novel approach focusing on membrane receptors, the initiators of the inflammatory cascade, is proposed. Membrane receptors such as Toll-like receptors, interleukin-1 receptor, endothelial protein C receptor, μ-opioid receptor, triggering receptor expressed on myeloid cells 1, and G-protein coupled receptors play pivotal roles in the inflammatory response, offering opportunities for rapid regulation. Various membrane receptor blockade strategies have demonstrated efficacy in both preclinical and clinical studies. These membrane receptor blockades act as early stage inflammation modulators, providing faster responses compared to conventional therapies. Importantly, these blockers exhibit immunomodulatory capabilities without inducing complete immunosuppression. Finally, this review underscores the critical need for early intervention in acute inflammatory and infectious diseases, particularly those posing a risk of progressing to sepsis. And, exploring membrane receptor blockade as an adjunctive treatment for acute inflammatory and infectious diseases presents a promising avenue. These novel approaches, when combined with antibiotics, have the potential to enhance patient outcomes, particularly in conditions prone to sepsis, while minimizing risks associated with antibiotic resistance and immune suppression.
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Affiliation(s)
- Seok-Jun Mun
- Department of Bionano Engineering, Hanyang University, Seoul, Republic of Korea
- Center for Bionano Intelligence Education and Research, Hanyang University, Ansan, Republic of Korea
| | - Euni Cho
- Department of Bionano Engineering, Hanyang University, Seoul, Republic of Korea
- Center for Bionano Intelligence Education and Research, Hanyang University, Ansan, Republic of Korea
| | - Hyo Keun Kim
- Center for Bionano Intelligence Education and Research, Hanyang University, Ansan, Republic of Korea
- Department of Molecular and Life Science, Hanyang University, Ansan, Republic of Korea
| | - Woo Jin Gil
- Center for Bionano Intelligence Education and Research, Hanyang University, Ansan, Republic of Korea
- Department of Molecular and Life Science, Hanyang University, Ansan, Republic of Korea
| | - Chul-Su Yang
- Center for Bionano Intelligence Education and Research, Hanyang University, Ansan, Republic of Korea
- Department of Molecular and Life Science, Hanyang University, Ansan, Republic of Korea
- Department of Medicinal and Life Science, Hanyang University, Ansan, Republic of Korea
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Niu X, Wang C, Li H, Chen W. Role of OPG/RANKL/RANK/TLR4 signaling pathway in sepsis-associated acute kidney injury. BMC Nephrol 2024; 25:205. [PMID: 38910256 PMCID: PMC11194911 DOI: 10.1186/s12882-024-03648-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2024] [Accepted: 06/19/2024] [Indexed: 06/25/2024] Open
Abstract
BACKGROUND Sepsis-associated acute kidney injury (SA-AKI) has high mortality rates. The osteoprotegerin (OPG)/receptor activator of nuclear factor-κB ligand (RANKL)/receptor activator of nuclear factor-κB (RANK)/Toll-like receptor 4 (TLR4) pathway and its potential role in SA-AKI pathogenesis remain to be fully understood. Herein, we addressed this issue using mouse models. METHODS An SA-AKI mouse model was established using the cecal ligation and puncture method (CLP). Mice were grouped into sham, CLP model, CLP + recombinant RANKL, and CLP + anti-RANKL groups. Serum creatinine (Scr) and blood urea nitrogen (BUN) levels were measured to assess kidney function. ELISA was used to detect serum IL-1β, TNF-α, and IL-6 levels. Real-time quantitative PCR and Western blot were used to detect the mRNA and protein expression levels of OPG, RANKL, RANK, and TLR4 in kidney tissues. HE staining was performed to evaluate the pathological changes. RESULTS The CLP model group showed higher levels of Scr and BUN, indicating impaired kidney function in SA-AKI, compared to the sham group. Treatment with recombinant RANKL in the CLP + recombinant RANKL group reduced Scr and BUN levels, while anti-RANKL treatment in the CLP + anti-RANKL group elevated their levels. Moreover, the CLP model group had significantly increased IL-1β, TNF-α, and IL-6 than the sham group, indicating elevated inflammation in SA-AKI. The CLP + recombinant RANKL group demonstrated decreased cytokine levels, whereas the CLP + anti-RANKL group showed an increase. Additionally, the histopathological evaluation revealed distinct kidney tissue damage in the CLP model group. Recombinant RANKL treatment reduced this damage, while anti-RANKL treatment exacerbated it. Mechanically, the mRNA and protein expression of RANKL were significantly decreased, while those of OPG, RANK, and TLR4 were significantly increased in the CLP model group and the CLP + anti-RANKL group. Interestingly, treatment with recombinant RANKL reversed these changes, as evidenced by significantly increased RANKL but decreased OPG, RANK, and TLR4. CONCLUSION The OPG/RANKL/RANK/TLR4 pathway is involved in SA-AKI pathogenesis. Recombinant RANKL treatment attenuates the inflammatory response and kidney tissue damage in SA-AKI, possibly via regulating this pathway. This pathway shows promise as a therapeutic target for SA-AKI.
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Affiliation(s)
- Xinrong Niu
- Department of Critical Care Medicine, Xinjiang Uyghur Autonomous Region People's Hospital, No. 91 Tianchi Road, Tianshan District, Urumqi, 830001, P.R. China.
| | - Caihong Wang
- Department of Critical Care Medicine, Xinjiang Uyghur Autonomous Region People's Hospital, No. 91 Tianchi Road, Tianshan District, Urumqi, 830001, P.R. China
| | - Hui Li
- Department of Critical Care Medicine, Xinjiang Uyghur Autonomous Region People's Hospital, No. 91 Tianchi Road, Tianshan District, Urumqi, 830001, P.R. China
| | - Weilin Chen
- Department of Critical Care Medicine, Xinjiang Uyghur Autonomous Region People's Hospital, No. 91 Tianchi Road, Tianshan District, Urumqi, 830001, P.R. China
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Brzezinski M, Martin L, Simpson K, Lu K, Gan N, Huang C, Garcia K, Liu Z, Xu W. Photodegradation enhances the toxic effect of anthracene on skin. JOURNAL OF HAZARDOUS MATERIALS 2024; 471:134386. [PMID: 38663297 DOI: 10.1016/j.jhazmat.2024.134386] [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: 02/13/2024] [Revised: 04/18/2024] [Accepted: 04/21/2024] [Indexed: 05/12/2024]
Abstract
Anthracene, a polycyclic aromatic hydrocarbon (PAH), is a widespread environmental pollutant that poses potential risks to human health. Exposure to anthracene can result in various adverse health effects, including skin-related disorders. Photo exposure sufficiently removes the anthracene from the environment but also generates more degradation products which can be more toxic. The goal of this study was to assess the change in anthracene dermotoxicity caused by photodegradation and understand the mechanism of this change. In the present study, over 99.99% of anthracene was degraded within 24 h of sunlight exposure, while producing many intermediate products including 9,10-anthraquinone and phthalic acid. The anthracene products with different durations of photo exposure were applied to 2D and 3D human keratinocyte cultures. Although the non-degraded anthracene significantly delayed the cell migration, the cell viability and differentiation decreased dramatically in the presence of the photodegraded anthracene. Anthracene photodegradation products also altered the expression patterns of a number of inflammation-related genes in comparison to the control cells. Among these genes, il1a, il1b, il8, cxcl2, s100a9, and mmp1 were upregulated whereas the tlr4 and mmp3 were downregulated by the photodegraded anthracene. Topical deliveries of the photodegraded and non-degraded anthracene to the dorsal skin of hairless mice showed more toxic effects by the photodegraded anthracene. The 4-hour photodegradation products of anthracene thickened the epidermal layer, increased the dermal cellularity, and induced the upregulation of inflammatory markers, il1a, il1b, s100a9, and mmp1. In addition, it also prevented the production of a gap junction protein, Connexin-43. All the evidence suggested that photodegradation enhanced the toxicities of anthracene to the skin. The 4-hour photodegradation products of anthracene led to clinical signs similar to acute inflammatory skin diseases, such as atopic and contact dermatitis, eczema, and psoriasis. Therefore, the potential risk of skin irritation by anthracene should be also considered when an individual is exposed to PAHs, especially in environments with strong sunlight.
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Affiliation(s)
- Molly Brzezinski
- Department of Life Sciences, College of Science, Texas A&M University - Corpus Christi, Corpus Christi, TX, USA
| | - Leisha Martin
- Department of Life Sciences, College of Science, Texas A&M University - Corpus Christi, Corpus Christi, TX, USA
| | - Kayla Simpson
- Department of Life Sciences, College of Science, Texas A&M University - Corpus Christi, Corpus Christi, TX, USA
| | - Kaijun Lu
- University of Texas at Austin Marine Science Institute 750 Channel View Drive Port Aransas, TX 78373, USA
| | - Nin Gan
- Department of Life Sciences, College of Science, Texas A&M University - Corpus Christi, Corpus Christi, TX, USA
| | - Chi Huang
- Department of Life Sciences, College of Science, Texas A&M University - Corpus Christi, Corpus Christi, TX, USA
| | - Kaitlin Garcia
- Department of Life Sciences, College of Science, Texas A&M University - Corpus Christi, Corpus Christi, TX, USA
| | - Zhanfei Liu
- University of Texas at Austin Marine Science Institute 750 Channel View Drive Port Aransas, TX 78373, USA
| | - Wei Xu
- Department of Life Sciences, College of Science, Texas A&M University - Corpus Christi, Corpus Christi, TX, USA.
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Rusnak T, Azarcoya-Barrera J, Makarowski A, Jacobs RL, Richard C. Plant- and Animal-Derived Dietary Sources of Phosphatidylcholine Have Differential Effects on Immune Function in The Context of A High-Fat Diet in Male Wistar Rats. J Nutr 2024; 154:1936-1944. [PMID: 38582387 PMCID: PMC11217025 DOI: 10.1016/j.tjnut.2024.04.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Revised: 03/20/2024] [Accepted: 04/02/2024] [Indexed: 04/08/2024] Open
Abstract
BACKGROUND Phosphatidylcholine (PC) derived from eggs has been shown to beneficially modulate T cell response and intestinal permeability under the context of a high-fat diet. OBJECTIVES The objective of this study was to determine whether there is a differential effect of plant and animal-derived sources of PC on immune function. METHODS Four-week-old male Wistar rats were randomly assigned to consume 1 of 4 diets (n = 10/group) for 12 wk, all containing 1.5 g of total choline/kg of diet but differing in choline forms: 1-Control Low-Fat [CLF, 20% fat, 100% free choline (FC)]; 2-Control High-Fat (CHF, 50% fat, 100% FC); 3-High-Fat Egg-derived PC (EPC, 50% fat, 100% Egg-PC); 4-High-Fat Soy-derived PC (SPC, 50% fat, 100% Soy-PC). Immune cell functions and phenotypes were measured in splenocytes by ex vivo cytokine production after mitogen stimulation and flow cytometry, respectively. RESULTS The SPC diet increased splenocyte IL-2 production after PMA+I stimulation compared with the CHF diet. However, the SPC group had a lower proportion of splenocytes expressing the IL-2 receptor (CD25+, P < 0.05). After PMA+I stimulation, feeding EPC normalized splenocyte production of IL-10 relative to the CLF diet, whereas SPC did not (P < 0.05). In mesenteric lymph node lymphocytes, the SPC diet group produced more IL-2 and TNF-α after PMA+I stimulation than the CHF diet, whereas the EPC diet group did not. CONCLUSIONS Our results suggest that both egg- and soy-derived PC may attenuate high-fat diet-induced T cell dysfunction. However, egg-PC enhances, to a greater extent, IL-10, a cytokine involved in promoting the resolution phase of inflammation, whereas soy-PC appears to elicit a greater effect on gut-associated immune responses.
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Affiliation(s)
- Tianna Rusnak
- Department of Agricultural, Food and Nutritional Science, University of Alberta, Edmonton, Alberta, Canada
| | - Jessy Azarcoya-Barrera
- Department of Agricultural, Food and Nutritional Science, University of Alberta, Edmonton, Alberta, Canada
| | - Alexander Makarowski
- Department of Agricultural, Food and Nutritional Science, University of Alberta, Edmonton, Alberta, Canada
| | - René L Jacobs
- Department of Agricultural, Food and Nutritional Science, University of Alberta, Edmonton, Alberta, Canada
| | - Caroline Richard
- Department of Agricultural, Food and Nutritional Science, University of Alberta, Edmonton, Alberta, Canada.
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Do KK, Wang F, Sun X, Zhang Y, Liang W, Liu JY, Jiang DY, Lu X, Wang W, Zhang L, Dean DC, Liu Y. Conditional deletion of Zeb1 in Csf1r + cells reduces inflammatory response of the cornea to alkali burn. iScience 2024; 27:109694. [PMID: 38660397 PMCID: PMC11039400 DOI: 10.1016/j.isci.2024.109694] [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: 10/31/2023] [Revised: 01/29/2024] [Accepted: 04/05/2024] [Indexed: 04/26/2024] Open
Abstract
ZEB1 is an essential factor in embryonic development. In adults, it is often highly expressed in malignant tumors with low expression in normal tissues. The major biological function of ZEB1 in developing embryos and progressing cancers is to transdifferentiate cells from an epithelial to mesenchymal phenotype; but what roles ZEB1 plays in normal adult tissues are largely unknown. We previously reported that the reduction of Zeb1 in monoallelic global knockout (Zeb1+/-) mice reduced corneal inflammation-associated neovascularization following alkali burn. To uncover the cellular mechanism underlying the Zeb1 regulation of corneal inflammation, we functionally deleted Zeb1 alleles in Csf1r+ myeloid cells using a conditional knockout (cKO) strategy and found that Zeb1 cKO reduced leukocytes in the cornea after alkali burn. The reduction of immune cells was due to their increased apoptotic rate and linked to a Zeb1-downregulated apoptotic pathway. We conclude that Zeb1 facilitates corneal inflammatory response by maintaining Csf1r+ cell viability.
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Affiliation(s)
- Khoi K. Do
- Department of Medicine, University of Louisville School of Medicine, Louisville, KY 40202, USA
| | - Fuhua Wang
- Department of Medicine, University of Louisville School of Medicine, Louisville, KY 40202, USA
- Eye Institute and Eye Hospital of Shangdong First Medical University, Jinan 250021, China
| | - Xiaolei Sun
- Department of Medicine, University of Louisville School of Medicine, Louisville, KY 40202, USA
- Eye Institute and Eye Hospital of Shangdong First Medical University, Jinan 250021, China
| | - Yingnan Zhang
- Department of Medicine, University of Louisville School of Medicine, Louisville, KY 40202, USA
- The Rosenberg School of Optometry, University of the Incarnate Word, San Antonio, TX 78229, USA
| | - Wei Liang
- Department of Medicine, University of Louisville School of Medicine, Louisville, KY 40202, USA
- Department of Ophthalmology, Third People’s Hospital of Dalian, Dalian Medical University, Dalian 116033, China
| | - John Y. Liu
- Department of Medicine, University of Louisville School of Medicine, Louisville, KY 40202, USA
| | - Daniel Y. Jiang
- Department of Medicine, University of Louisville School of Medicine, Louisville, KY 40202, USA
| | - Xiaoqin Lu
- Department of Medicine, University of Louisville School of Medicine, Louisville, KY 40202, USA
| | - Wei Wang
- Department of Ophthalmology and Visual Sciences, University of Louisville School of Medicine, Louisville, KY 40202, USA
| | - Lijun Zhang
- Department of Ophthalmology, Third People’s Hospital of Dalian, Dalian Medical University, Dalian 116033, China
| | - Douglas C. Dean
- Department of Medicine, University of Louisville School of Medicine, Louisville, KY 40202, USA
- Department of Ophthalmology and Visual Sciences, University of Louisville School of Medicine, Louisville, KY 40202, USA
- James Brown Cancer Center, University of Louisville School of Medicine, Louisville, KY 40202, USA
| | - Yongqing Liu
- Department of Medicine, University of Louisville School of Medicine, Louisville, KY 40202, USA
- Department of Ophthalmology and Visual Sciences, University of Louisville School of Medicine, Louisville, KY 40202, USA
- James Brown Cancer Center, University of Louisville School of Medicine, Louisville, KY 40202, USA
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Bongartz H, Bradfield C, Gross J, Fraser I, Nita-Lazar A, Meier-Schellersheim M. IL-10 dependent adaptation allows macrophages to adjust inflammatory responses to TLR4 stimulation history. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.03.28.587272. [PMID: 38654826 PMCID: PMC11037870 DOI: 10.1101/2024.03.28.587272] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/26/2024]
Abstract
During an infection, innate immune cells must adjust nature and strength of their responses to changing pathogen abundances. To determine how stimulation of the pathogen sensing TLR4 shapes subsequent macrophage responses, we systematically varied priming and restimulation concentrations of its ligand KLA. We find that different priming strengths have very distinct effects at multiple stages of the signaling response, including receptor internalization, MAPK activation, cytokine and chemokine production, and nuclear translocation and chromatin association of NFκB and IκB members. In particular, restimulation-induced TNF-α production required KLA doses equal to or greater than those used for prior exposure, indicating that macrophages can detect and adaptively respond to changing TLR4 stimuli. Interestingly, while such adaptation was dependent on the anti-inflammatory cytokine IL-10, exogenous concentrations of IL-10 corresponding to those secreted after strong priming did not exert suppressive effects on TNF-α without such prior priming, confirming the critical role of TLR4 stimulation history.
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Affiliation(s)
- H. Bongartz
- Computational Systems Biology Section, Laboratory of Immune System Biology, National Institute of Allergy and infectious Diseases, National Institutes of Health, Bethesda, MD, USA
| | - C. Bradfield
- Signaling Systems Section, Laboratory of Immune System Biology, National Institute of Allergy and infectious Diseases, National Institutes of Health, Bethesda, MD, USA
| | - J. Gross
- Signaling Systems Section, Laboratory of Immune System Biology, National Institute of Allergy and infectious Diseases, National Institutes of Health, Bethesda, MD, USA
| | - I.D.C. Fraser
- Signaling Systems Section, Laboratory of Immune System Biology, National Institute of Allergy and infectious Diseases, National Institutes of Health, Bethesda, MD, USA
| | - A. Nita-Lazar
- Functional Cellular Networks Section, Laboratory of Immune System Biology, National Institute of Allergy and infectious Diseases, National Institutes of Health, Bethesda, MD, USA
| | - M. Meier-Schellersheim
- Computational Systems Biology Section, Laboratory of Immune System Biology, National Institute of Allergy and infectious Diseases, National Institutes of Health, Bethesda, MD, USA
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10
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Zhang X, Li J, Cao C, Liu Z, Chen Q, Gu Z, Wang W, Fang D, Ge Q, Ding L, Pang C, Wang X. Nrf2 activation by neferine mitigates microglial neuroinflammation after subarachnoid hemorrhage through inhibiting TAK1-NF-κB signaling. Int Immunopharmacol 2024; 130:111693. [PMID: 38428144 DOI: 10.1016/j.intimp.2024.111693] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2023] [Revised: 02/02/2024] [Accepted: 02/12/2024] [Indexed: 03/03/2024]
Abstract
Oxidative stress and neuroinflammation are two major causes leading to early brain injury after subarachnoid hemorrhage (SAH). Nuclear factor E2-related factor 2 (Nrf2) is a critical transcription factor that contributes to antioxidant responses. Additionally, Nrf2 could inhibit transforming growth factor beta-activated kinase 1 (TAK1), which plays a vital role in microglial activation-mediated neuroinflammation. Neferine (NE) exhibits considerable protective effects in diverse disease models. However, the detailed effect and mechanism of NE on SAH remain unknown. Our data showed that NE treatment significantly reduced behavior and cognitive impairment, and brain edema in the early period after SAH. In addition, NE mitigated SAH-induced oxidative damage, neuroinflammation, and neural death. Moreover, NE inhibited M1 microglial polarization and enhanced M2 phenotype microglia both in vivo and in vitro. Further investigations revealed that NE enhanced the Nrf2-antioxidant response element (ARE) signaling pathway and suppressed TAK1-NF-κB signaling. In contrast, depletion of Nrf2 by ML385 suppressed Nrf2-ARE signaling, induced TAK1-NF-κB activation, and further promoted M1 microglial polarization. Additionally, ML385 abated the neuroprotective effects of NE against SAH. Notably, LPS also aggravated TAK1-NF-κB activation and reversed the beneficial effects of NE after SAH. In summary, NE provides protection after SAH by inhibiting oxidative stress and modulating microglial polarization through Nrf2 activation and TAK1-NF-κB suppression.
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Affiliation(s)
- Xiaotian Zhang
- Department of Neurosurgery, The Affiliated Huaian NO.1 People's Hospital of Nanjing Medical University, No. 1 Huanghe Road West, Huaian, Jiangsu 223300, China
| | - Jun Li
- Department of Neurosurgery, The Affiliated Huaian NO.1 People's Hospital of Nanjing Medical University, No. 1 Huanghe Road West, Huaian, Jiangsu 223300, China
| | - Changchun Cao
- Department of Pharmacy, The Affiliated Huaian NO.1 People's Hospital of Nanjing Medical University, No. 1 Huanghe Road West, Huaian, Jiangsu 223300, China
| | - Zhichao Liu
- Department of Neurosurgery, The Affiliated Huaian NO.1 People's Hospital of Nanjing Medical University, No. 1 Huanghe Road West, Huaian, Jiangsu 223300, China
| | - Qiushi Chen
- Department of Neurosurgery, The Affiliated Huaian NO.1 People's Hospital of Nanjing Medical University, No. 1 Huanghe Road West, Huaian, Jiangsu 223300, China
| | - Zhijiang Gu
- Department of Neurosurgery, The Affiliated Huaian NO.1 People's Hospital of Nanjing Medical University, No. 1 Huanghe Road West, Huaian, Jiangsu 223300, China
| | - Weijie Wang
- Department of Neurosurgery, The Affiliated Huaian NO.1 People's Hospital of Nanjing Medical University, No. 1 Huanghe Road West, Huaian, Jiangsu 223300, China
| | - Dazhao Fang
- Department of Neurosurgery, The Affiliated Huaian NO.1 People's Hospital of Nanjing Medical University, No. 1 Huanghe Road West, Huaian, Jiangsu 223300, China
| | - QianQian Ge
- Department of Gynecology, The Affiliated Huaian NO.1 People's Hospital of Nanjing Medical University, No. 1 Huanghe Road West, Huaian, Jiangsu 223300, China
| | - Lianshu Ding
- Department of Neurosurgery, The Affiliated Huaian NO.1 People's Hospital of Nanjing Medical University, No. 1 Huanghe Road West, Huaian, Jiangsu 223300, China.
| | - Cong Pang
- Department of Neurosurgery, The Affiliated Huaian NO.1 People's Hospital of Nanjing Medical University, No. 1 Huanghe Road West, Huaian, Jiangsu 223300, China.
| | - Xiaodong Wang
- Department of Neurosurgery, The Affiliated Huaian NO.1 People's Hospital of Nanjing Medical University, No. 1 Huanghe Road West, Huaian, Jiangsu 223300, China.
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11
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Garcia-Marcos M. Heterotrimeric G protein signaling without GPCRs: The Gα-binding-and-activating (GBA) motif. J Biol Chem 2024; 300:105756. [PMID: 38364891 PMCID: PMC10943482 DOI: 10.1016/j.jbc.2024.105756] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2023] [Revised: 01/30/2024] [Accepted: 02/02/2024] [Indexed: 02/18/2024] Open
Abstract
Heterotrimeric G proteins (Gαβγ) are molecular switches that relay signals from 7-transmembrane receptors located at the cell surface to the cytoplasm. The function of these receptors is so intimately linked to heterotrimeric G proteins that they are named G protein-coupled receptors (GPCRs), showcasing the interdependent nature of this archetypical receptor-transducer axis of transmembrane signaling in eukaryotes. It is generally assumed that activation of heterotrimeric G protein signaling occurs exclusively by the action of GPCRs, but this idea has been challenged by the discovery of alternative mechanisms by which G proteins can propagate signals in the cell. This review will focus on a general principle of G protein signaling that operates without the direct involvement of GPCRs. The mechanism of G protein signaling reviewed here is mediated by a class of G protein regulators defined by containing an evolutionarily conserved sequence named the Gα-binding-and-activating (GBA) motif. Using the best characterized proteins with a GBA motif as examples, Gα-interacting vesicle-associated protein (GIV)/Girdin and dishevelled-associating protein with a high frequency of leucine residues (DAPLE), this review will cover (i) the mechanisms by which extracellular cues not relayed by GPCRs promote the coupling of GBA motif-containing regulators with G proteins, (ii) the structural and molecular basis for how GBA motifs interact with Gα subunits to facilitate signaling, (iii) the relevance of this mechanism in different cellular and pathological processes, including cancer and birth defects, and (iv) strategies to manipulate GBA-G protein coupling for experimental therapeutics purposes, including the development of rationally engineered proteins and chemical probes.
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Affiliation(s)
- Mikel Garcia-Marcos
- Department of Biochemistry & Cell Biology, Chobanian & Avedisian School of Medicine, Boston University, Boston, Massachusetts, USA; Department of Biology, College of Arts & Sciences, Boston University, Boston, Massachusetts, USA.
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12
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Wang C, He J, Chen C, Luo W, Dang X, Mao L. A potential role of human esophageal cancer-related gene-4 in cardiovascular homeostasis. Gene 2024; 894:147977. [PMID: 37956966 DOI: 10.1016/j.gene.2023.147977] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Revised: 10/10/2023] [Accepted: 11/08/2023] [Indexed: 11/19/2023]
Abstract
Human esophageal cancer related gene-4 (ECRG-4) encodes a 148-aminoacid pre-pro-peptide that can be processed tissue-dependently into multiple small peptides possessing multiple functions distinct from, similar to, or opposite to the tumor suppressor function of the full-length Ecrg4. Ecrg-4 is covalently bound to the cell surface through its signal peptide, colocalized with the innate immunity complex (TLR4-CD14-MD2), and functions as a 'sentinel' molecule in the maintenance of epithelium and leukocyte homeostasis, meaning that the presence of Ecrg-4 on the cell surface signals the maintained homeostasis, whereas the loss of Ecrg-4 due to tissue injury activates pro-inflammatory and tissue proliferative responses, and the level of Ecrg-4 gradually returns to its pre-injury level upon wound healing. Interestingly, Ecrg-4 is also highly expressed in the heart and its conduction system, endothelial cells, and vascular smooth muscle cells. Accumulating evidence has shown that Ecrg-4 is involved in cardiac rate/rhythm control, the development of atrial fibrillation, doxorubicin-induced cardiotoxicity, the ischemic response of the heart and hypoxic response in the carotid body, the pathogenesis of atherosclerosis, and likely the endemic incidence of idiopathic dilated cardiomyopathy. These preliminary discoveries suggest that Ecrg-4 may function as a 'sentinel' molecule in cardiovascular system as well. Here, we briefly review the basic characteristics of ECRG-4 as a tumor suppressor gene and its regulatory functions on inflammation and apoptosis; summarize the discoveries about its distribution in cardiovascular system and involvement in the development of CVDs, and discuss its potential as a novel therapeutic target for the maintenance of cardiovascular system homeostasis.
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Affiliation(s)
- Chaoying Wang
- The Key Laboratory of Medical Electrophysiology of Ministry of Education, Medical Electrophysiological Key Laboratory of Sichuan Province, Collaborative Innovation Center for Prevention and Treatment of Cardiovascular Disease of Sichuan Province, Institute of Cardiovascular Research, Southwest Medical University, China
| | - Jianghui He
- The Key Laboratory of Medical Electrophysiology of Ministry of Education, Medical Electrophysiological Key Laboratory of Sichuan Province, Collaborative Innovation Center for Prevention and Treatment of Cardiovascular Disease of Sichuan Province, Institute of Cardiovascular Research, Southwest Medical University, China
| | - Chunyue Chen
- The Key Laboratory of Medical Electrophysiology of Ministry of Education, Medical Electrophysiological Key Laboratory of Sichuan Province, Collaborative Innovation Center for Prevention and Treatment of Cardiovascular Disease of Sichuan Province, Institute of Cardiovascular Research, Southwest Medical University, China
| | - Wenjun Luo
- The Key Laboratory of Medical Electrophysiology of Ministry of Education, Medical Electrophysiological Key Laboratory of Sichuan Province, Collaborative Innovation Center for Prevention and Treatment of Cardiovascular Disease of Sichuan Province, Institute of Cardiovascular Research, Southwest Medical University, China
| | - Xitong Dang
- The Key Laboratory of Medical Electrophysiology of Ministry of Education, Medical Electrophysiological Key Laboratory of Sichuan Province, Collaborative Innovation Center for Prevention and Treatment of Cardiovascular Disease of Sichuan Province, Institute of Cardiovascular Research, Southwest Medical University, China.
| | - Liang Mao
- The Key Laboratory of Medical Electrophysiology of Ministry of Education, Medical Electrophysiological Key Laboratory of Sichuan Province, Collaborative Innovation Center for Prevention and Treatment of Cardiovascular Disease of Sichuan Province, Institute of Cardiovascular Research, Southwest Medical University, China; Department of Cardiology, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan 646000, China.
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13
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Essouma M. Autoimmune inflammatory myopathy biomarkers. Clin Chim Acta 2024; 553:117742. [PMID: 38176522 DOI: 10.1016/j.cca.2023.117742] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Revised: 12/21/2023] [Accepted: 12/21/2023] [Indexed: 01/06/2024]
Abstract
The autoimmune inflammatory myopathy disease spectrum, commonly known as myositis, is a group of systemic diseases that mainly affect the muscles, skin and lungs. Biomarker assessment helps in understanding disease mechanisms, allowing for the implementation of precise strategies in the classification, diagnosis, and management of these diseases. This review examines the pathogenic mechanisms and highlights current data on blood and tissue biomarkers of autoimmune inflammatory myopathies.
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Affiliation(s)
- Mickael Essouma
- Network of Immunity in Infections, Malignancy and Autoimmunity, Universal Scientific Education and Research Network, Cameroon
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14
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Sun F, Li J, Cao L, Yan C. Mycobacterium tuberculosis virulence protein ESAT-6 influences M1/M2 polarization and macrophage apoptosis to regulate tuberculosis progression. Genes Genomics 2024; 46:37-47. [PMID: 37971619 DOI: 10.1007/s13258-023-01469-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Accepted: 10/15/2023] [Indexed: 11/19/2023]
Abstract
BACKGROUND Tuberculosis (TB) is an infectious disease caused by infection with Mycobacterium tuberculosis (Mtb), and it remains one of the major threats to human health worldwide. To our knowledge, the polarization of M1/M2 macrophages were critical innate immune cells which play important roles in regulating the immune response during TB progression. OBJECTIVE We aimed to explore the potential mechanisms of M1/M2 macrophage polarization in TB development. METHODS THP-1 macrophages were treated with early secreted antigenic target of 6 kDa (ESAT-6) protein for an increasing time. The polarization profiles, apoptosis levels of M1 and M2 macrophages were detected by RT-qPCR, immunofluorescence, Western blot and flow cytometry. RESULTS ESAT-6 initially promoted the generation of pro-inflammatory M1-polarized macrophages in THP-1 cells within 24 h, which were suppressed by further ESAT-6 treatment at 30-42 h. Interestingly, ESAT-6 continuously promoted M2 polarization of THP-1 cells, thereby maintaining the anti-inflammatory response in a time-dependent manner. In addition, ESAT-6 promoted apoptotic cell death in M1-polarized macrophages, which had little effects on apoptosis of M2-phenotype of macrophages. Then, the potential underlying mechanisms were uncovered, and we verified that ESAT-6 increased the protein levels of TLR4, MyD88 and NF-κB to activate the TLR4/MyD88/NF-κB pathway within 24 h, and this signal pathway was significantly inactivated at 36 h post-treatment. Interestingly, the following experiments confirmed that ESAT-6 TLR4/MyD88/NF-κB pathway-dependently regulated M1/M2 polarization and apoptosis of macrophage in THP-1 cells. CONCLUSION Our study investigated the detailed effects and mechanisms of M1/M2 macrophages in regulating innate responses during TB development, which provided a new perspective on the development of treatment strategies for this disease.
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Affiliation(s)
- Feng Sun
- State Key Laboratory of Pathogenesis, Prevention and Treatment of High Incidence Diseases in Central Asia, Urumqi, China
- Pulmonary and Critical Care Medicine Center, The First Affiliated Hospital of Xinjiang Medical University, No.137, South Liyu Shan Road, Urumqi, 830054, China
| | - Jiangbo Li
- Xinjiang Medical University, Urumqi, China
| | - Ling Cao
- Inspection Center, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, China
| | - Cunzi Yan
- Pulmonary and Critical Care Medicine Center, The First Affiliated Hospital of Xinjiang Medical University, No.137, South Liyu Shan Road, Urumqi, 830054, China.
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15
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Ogata K, Moriyama M, Kawado T, Yoshioka H, Yano A, Matsumura-Kawashima M, Nakamura S, Kawano S. Extracellular vesicles of iPS cells highly capable of producing HGF and TGF-β1 can attenuate Sjögren's syndrome via innate immunity regulation. Cell Signal 2024; 113:110980. [PMID: 37981065 DOI: 10.1016/j.cellsig.2023.110980] [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: 06/26/2023] [Revised: 10/13/2023] [Accepted: 11/13/2023] [Indexed: 11/21/2023]
Abstract
Previous studies have demonstrated that extracellular vesicles (EVs) from dental pulp stem cells (DPSCs), which release abundant hepatocyte growth factor (HGF) and transforming growth factor-β1 (TGF-β1), contribute to the pathogenesis of Sjögren's syndrome (SS). However, depending on the condition of DPSCs, this effect is often not achieved. In this study, we established induced pluripotent stem (iPS) cells highly capable of releasing HGF and TGF-β1 and iPS cells barely capable of releasing them, and administered each EV to SS model mice to see if there was a difference in therapeutic effect. EVs were collected from each iPS cell and their characteristics and shapes were examined. When they were administered to SS model mice, the EVs from iPS cells with higher concentrations of HGF and TGF-β1 showed significantly reduced inflammatory cell infiltration in salivary gland tissues, increased saliva volume, and decreased anti-SS-A and anti-SS-B antibodies. A comprehensive search of microRNA arrays for differences among those EVs revealed that EVs from iPS cells with higher concentrations of HGF and TGF-β1 contained more of the let-7 family. Thereafter, we examined the expression of toll-like receptors (TLRs), which are said to be regulated by the let-7 family, by qPCR, and found decreased TLR4 expression. Focusing on MAPK, a downstream signaling pathway, we examined cytokine concentrations in mouse macrophage culture supernatants and Western blotting of murine splenic tissues and found higher concentrations of anti-inflammatory cytokines in the EVs-treated group and decreased TLR4, NF-κB and phosphorylation (p)-p-38 MAPK expression by Western blotting. Alternatively, p-Smad2/3 was upregulated in the EVs-treated group. Our findings suggest that the let-7 family in EVs may suppress the expression of TLR4 and NF-κB, which may be involved in the suppression of MAPK-mediated pro-inflammatory cytokine production.
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Affiliation(s)
- Kenichi Ogata
- Section of Oral and Maxillofacial Oncology, Division of Maxillofacial Diagnostic and Surgical Sciences, Faculty of Dental Science, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan; Dent-craniofacial Development and Regeneration Research Center, Faculty of Dental Science, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan; Department of Dentistry and Oral Surgery, Karatsu Red Cross Hospital, 2430 Watada, Karatsu, Saga 847-8588, Japan.
| | - Masafumi Moriyama
- Section of Oral and Maxillofacial Oncology, Division of Maxillofacial Diagnostic and Surgical Sciences, Faculty of Dental Science, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan; OBT Research Center, Faculty of Dental Science, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan
| | - Tatsuya Kawado
- Section of Oral and Maxillofacial Oncology, Division of Maxillofacial Diagnostic and Surgical Sciences, Faculty of Dental Science, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan
| | - Hiroki Yoshioka
- Department of Pharmacy Gifu University of Medical Science, 4-3-3 Nijigaoka, Kani, Gifu 509-0293, Japan
| | - Aiko Yano
- Section of Oral and Maxillofacial Oncology, Division of Maxillofacial Diagnostic and Surgical Sciences, Faculty of Dental Science, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan
| | - Mayu Matsumura-Kawashima
- Section of Oral and Maxillofacial Oncology, Division of Maxillofacial Diagnostic and Surgical Sciences, Faculty of Dental Science, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan
| | - Seiji Nakamura
- Section of Oral and Maxillofacial Oncology, Division of Maxillofacial Diagnostic and Surgical Sciences, Faculty of Dental Science, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan
| | - Shintaro Kawano
- Section of Oral and Maxillofacial Oncology, Division of Maxillofacial Diagnostic and Surgical Sciences, Faculty of Dental Science, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan
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16
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Kozłowski HM, Sobocińska J, Jędrzejewski T, Maciejewski B, Dzialuk A, Wrotek S. Fever-Range Hyperthermia Promotes Macrophage Polarization towards Regulatory Phenotype M2b. Int J Mol Sci 2023; 24:17574. [PMID: 38139402 PMCID: PMC10744093 DOI: 10.3390/ijms242417574] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2023] [Revised: 12/12/2023] [Accepted: 12/15/2023] [Indexed: 12/24/2023] Open
Abstract
Fever-range hyperthermia (FRH) is utilized in chronic disease treatment and serves as a model for fever's thermal component investigation. Macrophages, highly susceptible to heat, play a pivotal role in various functions determined by their polarization state. However, it is not well recognized whether this process can be modulated by FRH. To address this, we used two different macrophage cell lines that were treated with FRH. Next, to define macrophage phenotype, we examined their functional surface markers CD80 and CD163, intracellular markers such as inducible nitric oxide synthase (iNOS), arginase-1 (Arg-1), and the expression of interleukin-10 (IL-10) and tumor necrosis factor α (TNF-α). Additionally, in FRH-treated cells, we analyzed an expression of Toll-like receptor 4 (TLR-4) and its role in macrophage polarization. We also checked whether FRH can switch the polarization of macrophages in pro-inflammatory condition triggered by lipopolysaccharide (LPS). FRH induced M2-like polarization, evident in increased CD163, IL-10, and Arg-1 expression. Notably, elevated COX-2, TNF-α, and TLR-4 indicated potential pro-inflammatory properties, suggesting polarization towards the M2b phenotype. Additionally, FRH shifted lipopolysaccharide (LPS)-induced M1 polarization to an M2-like phenotype, reducing antimicrobial molecules (ROS and NO). In summary, FRH emerged as a modulator favoring M2-like macrophage polarization, even under pro-inflammatory conditions, showcasing its potential therapeutic relevance.
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Affiliation(s)
- Henryk Mikołaj Kozłowski
- Department of Genetics, Faculty of Biological Sciences, Kazimierz Wielki University, 10 Powstańców Wielkopolskich Ave., 85-090 Bydgoszcz, Poland;
- Department of Immunology, Faculty of Veterinary and Biological Sciences, Nicolaus Copernicus University, 1 Lwowska Str., 87-100 Torun, Poland; (J.S.); (T.J.)
| | - Justyna Sobocińska
- Department of Immunology, Faculty of Veterinary and Biological Sciences, Nicolaus Copernicus University, 1 Lwowska Str., 87-100 Torun, Poland; (J.S.); (T.J.)
| | - Tomasz Jędrzejewski
- Department of Immunology, Faculty of Veterinary and Biological Sciences, Nicolaus Copernicus University, 1 Lwowska Str., 87-100 Torun, Poland; (J.S.); (T.J.)
| | - Bartosz Maciejewski
- Department of Immunology, Faculty of Veterinary and Biological Sciences, Nicolaus Copernicus University, 1 Lwowska Str., 87-100 Torun, Poland; (J.S.); (T.J.)
| | - Artur Dzialuk
- Department of Genetics, Faculty of Biological Sciences, Kazimierz Wielki University, 10 Powstańców Wielkopolskich Ave., 85-090 Bydgoszcz, Poland;
| | - Sylwia Wrotek
- Department of Immunology, Faculty of Veterinary and Biological Sciences, Nicolaus Copernicus University, 1 Lwowska Str., 87-100 Torun, Poland; (J.S.); (T.J.)
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17
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Min K, Sahu A, Jeon SH, Tae G. Emerging drug delivery systems with traditional routes - A roadmap to chronic inflammatory diseases. Adv Drug Deliv Rev 2023; 203:115119. [PMID: 37898338 DOI: 10.1016/j.addr.2023.115119] [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: 09/15/2022] [Revised: 07/17/2023] [Accepted: 10/23/2023] [Indexed: 10/30/2023]
Abstract
Inflammation is prevalent and inevitable in daily life but can generally be accommodated by the immune systems. However, incapable self-healing and persistent inflammation can progress to chronic inflammation, leading to prevalent or fatal chronic diseases. This review comprehensively covers the topic of emerging drug delivery systems (DDSs) for the treatment of chronic inflammatory diseases (CIDs). First, we introduce the basic biology of the chronic inflammatory process and provide an overview of the main CIDs of the major organs. Next, up-to-date information on various DDSs and the associated strategies for ensuring targeted delivery and stimuli-responsiveness applied to CIDs are discussed extensively. The implementation of traditional routes of drug administration to maximize their therapeutic effects against CIDs is then summarized. Finally, perspectives on future DDSs against CIDs are presented.
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Affiliation(s)
- Kiyoon Min
- School of Materials Science and Engineering, Gwangju Institute of Science and Technology (GIST), Gwangju 61005, Republic of Korea
| | - Abhishek Sahu
- Department of Biotechnology, National Institute of Pharmaceutical Education & Research (NIPER), Hajipur, 844102, India
| | - Sae Hyun Jeon
- School of Materials Science and Engineering, Gwangju Institute of Science and Technology (GIST), Gwangju 61005, Republic of Korea
| | - Giyoong Tae
- School of Materials Science and Engineering, Gwangju Institute of Science and Technology (GIST), Gwangju 61005, Republic of Korea.
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18
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Martínez-Espinoza I, Bungwon AD, Guerrero-Plata A. Human Metapneumovirus-Induced Host microRNA Expression Impairs the Interferon Response in Macrophages and Epithelial Cells. Viruses 2023; 15:2272. [PMID: 38005948 PMCID: PMC10675405 DOI: 10.3390/v15112272] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Revised: 11/13/2023] [Accepted: 11/15/2023] [Indexed: 11/26/2023] Open
Abstract
Human metapneumovirus (HMPV) is a nonsegmented, single-stranded negative RNA virus and a member of the Pneumoviridae family. During HMPV infection, macrophages play a critical role in defending the respiratory epithelium by secreting large amounts of type I interferon (IFN). MicroRNAs (miRNAs) are small, noncoding, single-stranded RNAs that play an essential role in regulating gene expression during normal cellular homeostasis and disease by binding to specific mRNAs, thereby regulating at the transcriptional and post-transcriptional levels with a direct impact on the immune response and other cellular processes. However, the role of miRNAs in macrophages and respiratory viral infections remains largely unknown. Here, we characterized the susceptibility of THP-1-derived macrophages to HMPV infection and the effect of hsa-miR-4634 on these cells. Transfection of an miRNA mimic and inhibitor demonstrated that hsa-miR-4634 regulates the IFN response in HMPV-infected macrophages, suggesting that HMPV induces the expression of the miRNA as a subversion mechanism of the antiviral response. This effect was not limited to macrophages, as a similar effect was also observed in epithelial cells. Overall, our results demonstrate that hsa-miR-4634 is an important factor in regulating the IFN response in macrophages and epithelial cells during HMPV infection.
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Affiliation(s)
| | | | - Antonieta Guerrero-Plata
- Department of Pathobiological Sciences, School of Veterinary Medicine, Louisiana State University, Baton Rouge, LA 70803, USA; (I.M.-E.); (A.D.B.)
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19
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He Z, Greven J, Shi Y, Qin K, Zhao Q, Zhang X, Buhl EM, Eschweiler J, Hildebrand F, Balmayor ER. Extracellular vesicles derived from endothelial cells modulate macrophage phenotype in vitro. Eur J Med Res 2023; 28:506. [PMID: 37946271 PMCID: PMC10634087 DOI: 10.1186/s40001-023-01427-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Accepted: 10/03/2023] [Indexed: 11/12/2023] Open
Abstract
Extracellular vesicles (EVs) mediate cell-to-cell communication by horizontally transferring biological materials from host cells to target cells. During exposure to pathogens, pathogen-associated molecular patterns (e.g., lipopolysaccharide, LPS) get in contact with endothelial cells and stimulate the secretion of endothelial cell-derived EVs (E-EVs). The triggered EVs secretion is known to have a modulating influence on the EVs-receiving cells. Macrophages, a major component of innate immunity, are polarized upon receiving external inflammatory stimuli, in which toll-like receptor4 (TLR4)-nuclear factor kappa B (NFκB) pathway plays a key role. However, the functions of LPS-induced E-EVs (ELPS-EVs) in modulating macrophage phenotype and activation remain elusive. We collected the EVs from quiescent endothelial cells (ENor-EVs) and ELPS-EVs to detect their stimulatory role on NR8383 macrophages. Isolated EVs were characterized by transmission electron microscopy (TEM), western blot assay, and nanoparticle tracking analysis (NTA). NR8383 macrophages were stimulated with ELPS-EVs, ENor-EVs, or PBS for 24 h. Hereafter, the uptake of EVs by the macrophages was investigated. Upon EVs stimulation, cellular viability was determined by MTT assay, while macrophage phenotype was analyzed by flow cytometry and immunofluorescence analysis. Furthermore, a western blot assay was conducted to evaluate the potentially involved TLR4-NFκB pathway. Interestingly, upon exposure to LPS, endothelial cells secreted significantly higher amounts of EVs (i.e., ELPS-EVs) when compared to quiescent cells or cells in PBS. The ELPS-EVs were also better internalized by NR8383 macrophages than ENor-EVs. The cellular viability of ELPS-EVs-treated macrophages was 1.2 times higher than those in the ENor-EVs and PBS groups. In addition, ELPS-EVs modulated NR8383 macrophages towards a proinflammatory macrophage M1-like phenotype. This was indicated by the significantly upregulated expressions of proinflammatory macrophage biomarkers CD86 and inducible nitric oxide synthase (iNOS) observed in ELPS-EVs-treated macrophages. The TLR4-NFκB signaling pathway was substantially activated in ELPS-EVs-treated macrophages, indicated by the elevated expressions of makers TLR4 and phosphorylated form of nuclear factor kappa B p65 subunit (p-NFκBp65). Overall, our results indicate that E-EVs play a crucial role in macrophage phenotype modulation under inflammatory conditions.
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Affiliation(s)
- Zhizhen He
- Department of Orthopedics, Trauma and Reconstructive Surgery, RWTH Aachen University Hospital, Pauwelsstraße 30, 52074, Aachen, Germany
| | - Johannes Greven
- Department of Orthopedics, Trauma and Reconstructive Surgery, RWTH Aachen University Hospital, Pauwelsstraße 30, 52074, Aachen, Germany
- Experimental Orthopaedics and Trauma Surgery, RWTH Aachen University Hospital, Pauwelsstraße 30, 52074, Aachen, Germany
| | - Yulong Shi
- Department of Orthopedics, Trauma and Reconstructive Surgery, RWTH Aachen University Hospital, Pauwelsstraße 30, 52074, Aachen, Germany.
- Division of Joint Surgery and Sports Medicine, Department of Orthopedic Surgery, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China.
| | - Kang Qin
- Department of Orthopedics, Trauma and Reconstructive Surgery, RWTH Aachen University Hospital, Pauwelsstraße 30, 52074, Aachen, Germany
| | - Qun Zhao
- Department of Orthopedics, Trauma and Reconstructive Surgery, RWTH Aachen University Hospital, Pauwelsstraße 30, 52074, Aachen, Germany
| | - Xing Zhang
- Department of Orthopedics, Trauma and Reconstructive Surgery, RWTH Aachen University Hospital, Pauwelsstraße 30, 52074, Aachen, Germany
| | - Eva Miriam Buhl
- Electron Microscopy Facility, Institute for Pathology, RWTH Aachen University Hospital, Pauwelsstraße 30, 52074, Aachen, Germany
| | - Jörg Eschweiler
- Department of Orthopedics, Trauma and Reconstructive Surgery, RWTH Aachen University Hospital, Pauwelsstraße 30, 52074, Aachen, Germany
| | - Frank Hildebrand
- Department of Orthopedics, Trauma and Reconstructive Surgery, RWTH Aachen University Hospital, Pauwelsstraße 30, 52074, Aachen, Germany
| | - Elizabeth Rosado Balmayor
- Department of Orthopedics, Trauma and Reconstructive Surgery, RWTH Aachen University Hospital, Pauwelsstraße 30, 52074, Aachen, Germany.
- Experimental Orthopaedics and Trauma Surgery, RWTH Aachen University Hospital, Pauwelsstraße 30, 52074, Aachen, Germany.
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20
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Kubra KT, Barabutis N. Ceapin-A7 potentiates lipopolysaccharide-induced endothelial injury. J Biochem Mol Toxicol 2023; 37:e23460. [PMID: 37431958 PMCID: PMC10782819 DOI: 10.1002/jbt.23460] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2023] [Revised: 06/14/2023] [Accepted: 07/04/2023] [Indexed: 07/12/2023]
Abstract
Barrier dysfunction is the hallmark of severe lung injury, including acute respiratory distress syndrome. Efficient medical countermeasures to counteract endothelial hyperpermeability do not exist, hence the mortality rates of disorders related to barrier abnormalities are unacceptable high. The unfolded protein response is a highly conserved mechanism, which aims to support the cells against endoplasmic reticulum stress, and ATF6 is a protein sensor that triggers its activation. In the current study, we investigate the effects of ATF6 suppression in LPS-induced endothelial inflammation. Our observations suggest that Ceapin-A7, which is an ATF6 suppressor, potentiates LPS-induced STAT3 and JAK2 activation. Hence ATF6 activation may serve as a new therapeutic possibility toward diseases related to barrier dysfunction.
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Affiliation(s)
- Khadeja-Tul Kubra
- School of Basic Pharmaceutical and Toxicological Sciences, College of Pharmacy, University of Louisiana Monroe, Monroe, Louisiana 71201, USA
| | - Nektarios Barabutis
- School of Basic Pharmaceutical and Toxicological Sciences, College of Pharmacy, University of Louisiana Monroe, Monroe, Louisiana 71201, USA
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21
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Zeng J, Wang Y, Zhu M, Wu M, Zhou Y, Wang Q, Xu Y, Lin F, Wang J, Li Y, Liang S, Wang Z, Xie L, Liu X. Neutrophil extracellular traps boost laser-induced mouse choroidal neovascularization through the activation of the choroidal endothelial cell TLR4/HIF-1α pathway. FEBS J 2023; 290:5395-5410. [PMID: 37552110 DOI: 10.1111/febs.16928] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2022] [Revised: 05/24/2023] [Accepted: 08/07/2023] [Indexed: 08/09/2023]
Abstract
Choroidal neovascularization (CNV) is characterized by the infiltration of immune cells, particularly neutrophils. Neutrophil extracellular trap (NET) facilitates the angiogenesis of pulmonary endothelial cells via activating Toll-like receptor 4 (TLR4). TLR4 promotes the expression of transcription factor hypoxia inducible factor-1α (HIF-1α), which promotes inflammation and angiogenesis via the up-regulation of metalloproteinase-9 (MMP-9) and interleukin-1β (IL-1β). In the present study, we aimed to identify the formation of NET and its role in CNV. Our results showed that NET levels were increased in a mouse laser-induced CNV model via oxidative stress, whereas the inhibition of NET alleviated CNV. In vitro, NET activated the TLR4/HIF-1α pathway in human choroidal endothelial cells (HCECs). Additionally, NET increased the transcription and expression of MMP-9 and IL-1β in HCECs via activating the TLR4/HIF-1α pathway. Meanwhile, NET promoted the inflammatory response accompanied by the proliferation, migration and tube formation of HCECs in a MMP-9- and IL-1β-dependent manner. In conclusion, NET was up-regulated in CNV and promoted the formation of CNV via activating the TLR4/HIF-1α pathway in choroidal endothelial cells. Our data uncovered the novel role of NET in promoting the formation of CNV. The underlying mechanism of NET could be targeted to delay the process of CNV.
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Affiliation(s)
- Jia Zeng
- Department of Pathogen Biology, Medical College, Nantong University, China
| | - Ying Wang
- Department of Ophthalmology, Suzhou Municipal Hospital, The Affiliated Suzhou Hospital of Nanjing Medical University, China
| | - Manhui Zhu
- Department of Pathology, Lixiang Eye Hospital of Soochow University, Suzhou, China
| | - Min Wu
- Department of Pathogen Biology, Medical College, Nantong University, China
| | - Yamei Zhou
- Department of Pathogen Biology, Medical College, Nantong University, China
| | - Qiaoyun Wang
- Department of Ophthalmology, The Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Yiqian Xu
- Department of Ophthalmology, The Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Fei Lin
- Medical College, Nantong University, China
| | - Jiaqi Wang
- Medical College, Nantong University, China
| | - Yuxuan Li
- Medical College, Nantong University, China
| | | | - Ziyu Wang
- Medical College, Nantong University, China
| | - Laiqing Xie
- Department of Ophthalmology, The Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Xiaojuan Liu
- Department of Pathogen Biology, Medical College, Nantong University, China
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22
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Ji Y, Sun K, Yang Y, Wu Z. Dihydroartemisinin ameliorates innate inflammatory response induced by Streptococcussuis-derived muramidase-released protein via inactivation of TLR4-dependent NF-κB signaling. J Pharm Anal 2023; 13:1183-1194. [PMID: 38024861 PMCID: PMC10657969 DOI: 10.1016/j.jpha.2023.05.013] [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: 12/17/2022] [Revised: 05/17/2023] [Accepted: 05/26/2023] [Indexed: 12/01/2023] Open
Abstract
Muramidase-released protein (MRP) is now being recognized as a critical indicator of the virulence and pathogenicity of Streptococcus suis (S. suis). However, the identification of viable therapeutics for S. suis infection was hindered by the absence of an explicit mechanism for MRP-actuated inflammation. Dihydroartemisinin (DhA) is an artemisinin derivative with potential anti-inflammatory activity. The modulatory effect of DhA on the inflammatory response mediated by the virulence factor MRP remains obscure. This research aimed to identify the signaling mechanism by which MRP triggers the innate immune response in mouse spleen and cultured macrophages. With the candidate mechanism in mind, we investigated DhA for its ability to dampen the pro-inflammatory response induced by MRP. The innate immune response in mice was drastically triggered by MRP, manifesting as splenic and systemic inflammation with splenomegaly, immune cell infiltration, and an elevation in pro-inflammatory cytokines. A crucial role for Toll-like receptor 4 (TLR4) in coordinating the MRP-mediated inflammatory response via nuclear factor-kappa B (NF-κB) activation was revealed by TLR4 blockade. In addition, NF-κB-dependent transducer and activator of transcription 3 (STAT3) and mitogen-activated protein kinases (MAPKs) activation was required for the inflammatory signal transduction engendered by MRP. Intriguingly, we observed an alleviation effect of DhA on the MRP-induced immune response, which referred to the suppression of TLR4-mediated actuation of NF-κB-STAT3/MAPK cascades. The inflammatory response elicited by MRP is relevant to TLR4-dependent NF-κB activation, followed by an increase in the activity of STAT3 or MAPKs. DhA mitigates the inflammation process induced by MRP via blocking the TLR4 cascade, highlighting the therapeutic potential of DhA in targeting S. suis infection diseases.
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Affiliation(s)
- Yun Ji
- State Key Laboratory of Animal Nutrition and Feeding, China Agricultural University, Beijing, 100193, China
| | - Kaiji Sun
- State Key Laboratory of Animal Nutrition and Feeding, China Agricultural University, Beijing, 100193, China
| | - Ying Yang
- State Key Laboratory of Animal Nutrition and Feeding, China Agricultural University, Beijing, 100193, China
| | - Zhenlong Wu
- State Key Laboratory of Animal Nutrition and Feeding, China Agricultural University, Beijing, 100193, China
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, China Agricultural University, Beijing, 100193, China
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23
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Chai R, Ye Z, Xue W, Shi S, Wei Y, Hu Y, Wu H. Tanshinone IIA inhibits cardiomyocyte pyroptosis through TLR4/NF-κB p65 pathway after acute myocardial infarction. Front Cell Dev Biol 2023; 11:1252942. [PMID: 37766966 PMCID: PMC10520722 DOI: 10.3389/fcell.2023.1252942] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Accepted: 08/30/2023] [Indexed: 09/29/2023] Open
Abstract
Background: Tanshinone IIA, derived from Radix Salviae Miltiorrhizae (Salvia miltiorrhiza Bunge), constitutes a significant component of this traditional Chinese medicine. Numerous studies have reported positive outcomes regarding its influence on cardiac function. However, a comprehensive comprehension of the intricate mechanisms responsible for its cardioprotective effects is still lacking. Methods: A rat model of heart failure (HF) induced by acute myocardial infarction (AMI) was established via ligation of the left anterior descending coronary artery. Rats received oral administration of tanshinone IIA (1.5 mg/kg) and captopril (10 mg/kg) for 8 weeks. Cardiac function was assessed through various evaluations. Histological changes in myocardial tissue were observed using staining techniques, including Hematoxylin and Eosin (HE), Masson, and transmission electron microscopy. Tunel staining was used to detect cell apoptosis. Serum levels of NT-pro-BNP, IL-1β, and IL-18 were quantified using enzyme-linked immunosorbent assay (ELISA). Expression levels of TLR4, NF-κB p65, and pyroptosis-related proteins were determined via western blotting (WB). H9C2 cardiomyocytes underwent hypoxia-reoxygenation (H/R) to simulate ischemia-reperfusion (I/R) injury, and cell viability and apoptosis were assessed post treatment with different tanshinone IIA concentrations (0.05 μg/ml, 0.1 μg/ml). ELISA measured IL-1β, IL-18, and LDH expression in the cell supernatant, while WB analysis evaluated TLR4, NF-κB p65, and pyroptosis-related protein levels. NF-κB p65 protein nuclear translocation was observed using laser confocal microscopy. Results: Tanshinone IIA treatment exhibited enhanced cardiac function, mitigated histological cardiac tissue damage, lowered serum levels of NT-pro-BNP, IL-1β, and IL-18, and suppressed myocardial cell apoptosis. Moreover, tanshinone IIA downregulated the expression of TLR4, NF-κB p65, IL-1β, pro-IL-1β, NLRP3, Caspase-1, and GSDMD-N pyroptosis-related proteins in myocardial tissue. Additionally, it bolstered H/R H9C2 cardiomyocyte viability, curbed cardiomyocyte apoptosis, and reduced the levels of TLR4, NF-κB p65, IL-1β, pro-IL-1β, NLRP3, Caspase-1, and GSDMD-N pyroptosis-related proteins in H/R H9C2 cells. Furthermore, it hindered NF-κB p65 protein nuclear translocation. Conclusion: These findings indicate that tanshinone IIA enhances cardiac function and alleviates myocardial injury in HF rats following AMI. Moreover, tanshinone IIA demonstrates potential suppression of cardiomyocyte pyroptosis. These effects likely arise from the inhibition of the TLR4/NF-κB p65 signaling pathway, presenting a promising therapeutic target.
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Affiliation(s)
| | | | | | | | - Yi Wei
- Department of Cardiology, Guang’anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Yuanhui Hu
- Department of Cardiology, Guang’anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Huaqin Wu
- Department of Cardiology, Guang’anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
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24
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Chen Y, Pan Q, Liao W, Ai W, Yang S, Guo S. Transcription Factor Forkhead Box O1 Mediates Transforming Growth Factor-β1-Induced Apoptosis in Hepatocytes. THE AMERICAN JOURNAL OF PATHOLOGY 2023; 193:1143-1155. [PMID: 37263346 PMCID: PMC10477955 DOI: 10.1016/j.ajpath.2023.05.007] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Revised: 04/27/2023] [Accepted: 05/18/2023] [Indexed: 06/03/2023]
Abstract
Dysregulation of hepatocyte apoptosis is associated with several types of chronic liver diseases. Transforming growth factor-β1 (TGF-β1) is a well-known pro-apoptotic factor in the liver, which constitutes a receptor complex composed of TGF-β receptor I and II, along with transcription factor Smad proteins. As a member of the forkhead box O (Foxo) class of transcription factors, Foxo1 is a predominant regulator of hepatic glucose production and apoptosis. This study investigated the potential relationship between TGF-β1 signaling and Foxo1 in control of apoptosis in hepatocytes. TGF-β1 induced hepatocyte apoptosis in a Foxo1-dependent manner in hepatocytes isolated from both wild-type and liver-specific Foxo1 knockout mice. TGF-β1 activated protein kinase A through TGF-β receptor I-Smad3, followed by phosphorylation of Foxo1 at Ser273 in promotion of apoptosis in hepatocytes. Moreover, Smad3 overexpression in the liver of mice promoted the levels of phosphorylated Foxo1-S273, total Foxo1, and a Foxo1-target pro-apoptotic gene Bim, which eventually resulted in hepatocyte apoptosis. The study further demonstrated a crucial role of Foxo1-S273 phosphorylation in the pro-apoptotic effect of TGF-β1 by using hepatocytes isolated from Foxo1-S273A/A knock-in mice, in which the phosphorylation of Foxo1-S273 was disrupted. Taken together, this study established a novel role of TGF-β1→protein kinase A→Foxo1 signaling cascades in control of hepatocyte survival.
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Affiliation(s)
- Yunmei Chen
- Department of Nutrition, Texas A&M University, College Station, Texas
| | - Quan Pan
- Department of Nutrition, Texas A&M University, College Station, Texas
| | - Wang Liao
- Department of Nutrition, Texas A&M University, College Station, Texas
| | - Weiqi Ai
- Department of Nutrition, Texas A&M University, College Station, Texas
| | - Sijun Yang
- Institute of Animal Model for Human Disease, Wuhan University, Wuhan, China
| | - Shaodong Guo
- Department of Nutrition, Texas A&M University, College Station, Texas.
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25
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Kim HD, Choi H, Abekura F, Park J, Cho SH, Lee YC, Kim CH. Up-regulation of inflammatory reactions by MPT32, a secreted protein of Mycobacterium tuberculosis in RAW264.7 macrophages. J Cell Biochem 2023; 124:1423-1434. [PMID: 37642132 DOI: 10.1002/jcb.30456] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2023] [Revised: 07/21/2023] [Accepted: 07/24/2023] [Indexed: 08/31/2023]
Abstract
Tuberculosis (TB) is caused by Mycobacterium tuberculosis (Mtb) and is still one of the global health burdens. The occurrence of various cases and multidrug resistance confirm that TB has not been completely conquered. For these reasons, the present research has been conducted to explore TB vaccine and drug candidate possibility using Mtb-secreted proteins. Among these proteins, MPT32 is known to have antigenicity and immunogenicity. There has not been a report on the host immune responses and regulation in macrophage cells. The present study was conducted with MPT32 in RAW 264.7 murine macrophage cells that control immune responses by sensing pathogen invasion and environmental change. We have found that MPT32 could activate lipopolysaccharide (LPS)-induced gene expression of metalloproteinase-9 (MMP-9) and inflammation in RAW 264.7 cells. After treating cells with MPT32, the increase in pro-inflammatory cytokines, such as tumor necrosis factor-α (TNF-α), interleukin (IL)-1β (IL-1β) and IL-6, was observed. In addition, activated macrophages expressed inducible nitric oxide synthase (iNOS) and cyclooxygenase-2 (COX-2) to generate various inflammatory mediator molecules, such as nitric oxide (NO). The increase in iNOS and COX-2 levels, which are up-regulators of MMP-9 expression, was also confirmed. The biochemical events are involved in the downstream of activated MAPK signaling and translocation of NF-κ B transcription factor. The present results prove the immunomodulatory effect of MPT32 in the RAW 264.7 murine macrophage cells. it claims the possibility of a TB vaccination and drug candidate using MPT32, contributing to the prevention of TB.
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Affiliation(s)
- Hee-Do Kim
- Department of Biological Science, SungKyunkwan University, Suwon, Republic of Korea
| | - Hyunju Choi
- Department of Biological Science, SungKyunkwan University, Suwon, Republic of Korea
| | - Fukushi Abekura
- Department of Biological Science, SungKyunkwan University, Suwon, Republic of Korea
| | - Junyoung Park
- Department of Biological Science, SungKyunkwan University, Suwon, Republic of Korea
- Division of Zoonotic and Vector Borne Disease Research, Center for Infectious Disease Research, Korea National Institute of Health, Cheongju, Republic of Korea
| | - Seung-Hak Cho
- Division of Zoonotic and Vector Borne Disease Research, Center for Infectious Disease Research, Korea National Institute of Health, Cheongju, Republic of Korea
| | - Young-Choon Lee
- Department of Medicinal Biotechnology, College of Health Sciences, Dong-A University, Busan, South Korea
| | - Cheorl-Ho Kim
- Department of Biological Science, SungKyunkwan University, Suwon, Republic of Korea
- Samsung Advanced Institute for Health Science and Technology (SAIHST), Suwon, Republic of Korea
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26
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Zaikova EK, Kaplina AV, Petrova NA, Pervunina TM, Kostareva AA, Kalinina OV. SIGIRR gene variants in term newborns with congenital heart defects and necrotizing enterocolitis. Ann Pediatr Cardiol 2023; 16:337-344. [PMID: 38766461 PMCID: PMC11098289 DOI: 10.4103/apc.apc_30_23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Revised: 03/28/2023] [Accepted: 08/03/2023] [Indexed: 05/22/2024] Open
Abstract
Background Necrotizing enterocolitis (NEC) is a common gastrointestinal emergency among neonates which is characterized by acute intestinal inflammation and necrosis. The main risk factors for NEC are prematurity, low birth weight, and some preexisting health conditions such as congenital heart defects (CHDs). Investigation of the potential genetic predisposition to NEC is a promising approach that might provide new insights into its pathogenesis. One of the most important proteins that play a significant role in the pathogenesis of NEC is Toll-like receptor 4 (TLR4) which recognizes lipopolysaccharide found in Gram-negative bacteria. In intestinal epithelial cells, a protein encoded by the SIGIRR gene is a major inhibitor of TLR4 signaling. A few SIGIRR variants, including rare p.Y168X and p.S80Y, have already been identified in preterm infants with NEC, but their pathogenic significance remains unclear. This study aimed to investigate the spectrum of SIGIRR genetic variants in term newborns with CHD and to assess their potential association with NEC. Methods and Results A total of 93 term newborns with critical CHD were enrolled in this study, 33 of them developed NEC. SIGIRR genetic variants were determined by Sanger sequencing of all exons. In total, eight SIGIRR genetic variants were identified, two of which were found only in newborns with NEC (P = 0.12). The rare missense p.S80Y (rs117739035) variant in exon 4 was found in two infants with NEC stage IIA. Two infants with NEC stage III and stage IB carried a novel duplication c. 102_121dup (rs552367848) variant in exon 10 that has not been previously associated with any clinical phenotype. Conclusions The presence of both variants only in neonates who developed NEC, together with earlier published data, may suggest their potential contribution to the risk of developing NEC in term infants with CHD and allow planning larger cohort studies to clarify their relevance.
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Affiliation(s)
- Ekaterina Konstantinovna Zaikova
- World-Class Research Centre for Personalized Medicine, Almazov National Medical Research Centre, Research Laboratory of Autoimmune and Autoinflammatory Diseases, St. Petersburg, Russia
| | - Aleksandra Vladimirovna Kaplina
- Almazov National Medical Research Centre, Research Laboratory of Physiology and Diseases of Newborns, St. Petersburg, Russia
| | - Natalia Aleksandrovna Petrova
- Almazov National Medical Research Centre, Research Laboratory of Physiology and Diseases of Newborns, St. Petersburg, Russia
| | | | | | - Olga Viktorovna Kalinina
- Almazov National Medical Research Centre, Research Laboratory of Physiology and Diseases of Newborns, St. Petersburg, Russia
- Department of Laboratory Medicine and Genetics, Institution of Medical Education, Almazov National Medical Research Centre, St. Petersburg, Russia
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27
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Duan Y, Zhang E, Fang RH, Gao W, Zhang L. Capsulated Cellular Nanosponges for the Treatment of Experimental Inflammatory Bowel Disease. ACS NANO 2023; 17:15893-15904. [PMID: 37565604 DOI: 10.1021/acsnano.3c03959] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/12/2023]
Abstract
Inflammatory bowel disease (IBD) is a chronic gastrointestinal tract disorder characterized by uncontrolled inflammatory responses to the disrupted intestinal epithelial barrier and gut microbiome dysbiosis. Currently available small-molecule immunosuppressive agents and anticytokine biologics show limited potency, mainly due to the complexity of the inflammatory network involved in IBD. Here, we develop an oral formulation of macrophage membrane-coated nanoparticles capsulated in enteric polymer-coated gelatin capsules (denoted "cp-MΦ-NPs") for IBD treatment. The capsules protect the nanoparticles from gastric degradation and allow for targeted delivery to the colon. At the inflamed colon, cp-MΦ-NPs act as macrophage decoys that bind and neutralize pro-inflammatory cytokines. The in vivo treatment efficacy of cp-MΦ-NPs is tested in a mouse model of dextran sulfate sodium-induced colitis. In both prophylactic and delayed treatment regimens, the oral delivery of cp-MΦ-NPs significantly alleviates IBD severity, reflected by reduced intestinal inflammation and intestinal barrier restoration. Overall, cp-MΦ-NPs provide a biomimetic nanomedicine strategy for the treatment of IBD.
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Affiliation(s)
- Yaou Duan
- Department of Nanoengineering, Chemical Engineering Program, and Moores Cancer Center, University of California San Diego, La Jolla, California 92093, United States
| | - Edward Zhang
- Department of Nanoengineering, Chemical Engineering Program, and Moores Cancer Center, University of California San Diego, La Jolla, California 92093, United States
| | - Ronnie H Fang
- Department of Nanoengineering, Chemical Engineering Program, and Moores Cancer Center, University of California San Diego, La Jolla, California 92093, United States
| | - Weiwei Gao
- Department of Nanoengineering, Chemical Engineering Program, and Moores Cancer Center, University of California San Diego, La Jolla, California 92093, United States
| | - Liangfang Zhang
- Department of Nanoengineering, Chemical Engineering Program, and Moores Cancer Center, University of California San Diego, La Jolla, California 92093, United States
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28
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Yan C, Kuang W, Jin L, Wang R, Niu L, Xie C, Ding J, Liao Y, Wang L, Wan H, Ma G. Carvacrol protects mice against LPS-induced sepsis and attenuates inflammatory response in macrophages by modulating the ERK1/2 pathway. Sci Rep 2023; 13:12809. [PMID: 37550359 PMCID: PMC10406886 DOI: 10.1038/s41598-023-39665-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Accepted: 07/28/2023] [Indexed: 08/09/2023] Open
Abstract
Macrophages play an important role in the development of life-threatening sepsis, which is characterized by multiorgan dysfunction, through their ability to produce inflammatory cytokines. Carvacrol is a phenolic compound that has been confirmed to possess strong anti‑inflammatory activity. In this study, we mainly investigated the effect of carvacrol on lipopolysaccharide (LPS)-induced macrophage proinflammatory responses and endotoxic shock. The results showed that carvacrol significantly reduced mouse body weight loss and ameliorated pathological damage to the liver, lung, and heart under LPS-induced sepsis. Carvacrol attenuated inflammatory responses by inhibiting the LPS-induced production of inflammatory cytokine interleukin-6 (IL-6) in vivo and in vitro. Mechanistically, carvacrol inhibited IL-6 production mainly through the ERK1/2 signalling pathway in macrophages. Furthermore, carvacrol improved the survival of septic mice. This study sheds light on the role of carvacrol in the pathogenesis of LPS-induced sepsis, and thus, its potential in treating sepsis patients may be considered.
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Affiliation(s)
- Chenghua Yan
- College of Traditional Chinese Medicine/College of Life Sciences, Jiangxi University of Chinese Medicine, Nanchang, 330004, China.
| | - Wendong Kuang
- Institute of Microbiology, Jiangxi Academy of Sciences, Nanchang, 330029, China
- State Key Laboratory of Virology, Wuhan, 430071, China
| | - Liang Jin
- Institute of Microbiology, Jiangxi Academy of Sciences, Nanchang, 330029, China
| | - Rongliang Wang
- College of Traditional Chinese Medicine/College of Life Sciences, Jiangxi University of Chinese Medicine, Nanchang, 330004, China
| | - Ling Niu
- College of Traditional Chinese Medicine/College of Life Sciences, Jiangxi University of Chinese Medicine, Nanchang, 330004, China
| | - Chuanqi Xie
- Institute of Applied Chemistry, Jiangxi Academy of Sciences, Nanchang, 330029, China
| | - Jian Ding
- The First Affiliated Hospital of Nanchang University, Nanchang, 330006, China
| | - Yongcui Liao
- College of Traditional Chinese Medicine/College of Life Sciences, Jiangxi University of Chinese Medicine, Nanchang, 330004, China
| | - Liyuan Wang
- College of Traditional Chinese Medicine/College of Life Sciences, Jiangxi University of Chinese Medicine, Nanchang, 330004, China
| | - Hongjiao Wan
- College of Traditional Chinese Medicine/College of Life Sciences, Jiangxi University of Chinese Medicine, Nanchang, 330004, China
| | - Guangqiang Ma
- College of Traditional Chinese Medicine/College of Life Sciences, Jiangxi University of Chinese Medicine, Nanchang, 330004, China.
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Ghosh P, Sinha S, Katkar GD, Vo D, Taheri S, Dang D, Das S, Sahoo D. Machine learning identifies signatures of macrophage reactivity and tolerance that predict disease outcomes. EBioMedicine 2023; 94:104719. [PMID: 37516087 PMCID: PMC10388732 DOI: 10.1016/j.ebiom.2023.104719] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 07/01/2023] [Accepted: 07/03/2023] [Indexed: 07/31/2023] Open
Abstract
BACKGROUND Single-cell transcriptomic studies have greatly improved organ-specific insights into macrophage polarization states are essential for the initiation and resolution of inflammation in all tissues; however, such insights are yet to translate into therapies that can predictably alter macrophage fate. METHOD Using machine learning algorithms on human macrophages, here we reveal the continuum of polarization states that is shared across diverse contexts. A path, comprised of 338 genes accurately identified both physiologic and pathologic spectra of "reactivity" and "tolerance", and remained relevant across tissues, organs, species, and immune cells (>12,500 diverse datasets). FINDINGS This 338-gene signature identified macrophage polarization states at single-cell resolution, in physiology and across diverse human diseases, and in murine pre-clinical disease models. The signature consistently outperformed conventional signatures in the degree of transcriptome-proteome overlap, and in detecting disease states; it also prognosticated outcomes across diverse acute and chronic diseases, e.g., sepsis, liver fibrosis, aging, and cancers. Crowd-sourced genetic and pharmacologic studies confirmed that model-rationalized interventions trigger predictable macrophage fates. INTERPRETATION These findings provide a formal and universally relevant definition of macrophage states and a predictive framework (http://hegemon.ucsd.edu/SMaRT) for the scientific community to develop macrophage-targeted precision diagnostics and therapeutics. FUNDING This work was supported by the National Institutes for Health (NIH) grant R01-AI155696 (to P.G, D.S and S.D). Other sources of support include: R01-GM138385 (to D.S), R01-AI141630 (to P.G), R01-DK107585 (to S.D), and UG3TR003355 (to D.S, S.D, and P.G). D.S was also supported by two Padres Pedal the Cause awards (Padres Pedal the Cause/RADY #PTC2017 and San Diego NCI Cancer Centers Council (C3) #PTC2017). S.S, G.D.K, and D.D were supported through The American Association of Immunologists (AAI) Intersect Fellowship Program for Computational Scientists and Immunologists. We also acknowledge support from the Padres Pedal the Cause #PTC2021 and the Torey Coast Foundation, La Jolla (P.G and D.S). D.S, P.G, and S.D were also supported by the Leona M. and Harry B. Helmsley Charitable Trust.
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Affiliation(s)
- Pradipta Ghosh
- Department of Cellular and Molecular Medicine, University of California San Diego, USA; Department of Medicine, University of California San Diego, USA; Moores Cancer Center, University of California San Diego, USA.
| | - Saptarshi Sinha
- Department of Cellular and Molecular Medicine, University of California San Diego, USA; Department of Pediatrics, University of California San Diego, USA
| | - Gajanan D Katkar
- Department of Cellular and Molecular Medicine, University of California San Diego, USA
| | - Daniella Vo
- Department of Pediatrics, University of California San Diego, USA
| | - Sahar Taheri
- Department of Computer Science and Engineering, Jacob's School of Engineering, University of California San Diego, USA
| | - Dharanidhar Dang
- Department of Pediatrics, University of California San Diego, USA
| | - Soumita Das
- Moores Cancer Center, University of California San Diego, USA; Department of Pathology, University of California San Diego, USA
| | - Debashis Sahoo
- Moores Cancer Center, University of California San Diego, USA; Department of Pediatrics, University of California San Diego, USA; Department of Computer Science and Engineering, Jacob's School of Engineering, University of California San Diego, USA.
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Pundkar C, Antony F, Kang X, Mishra A, Babu RJ, Chen P, Li F, Suryawanshi A. Targeting Wnt/β-catenin signaling using XAV939 nanoparticles in tumor microenvironment-conditioned macrophages promote immunogenicity. Heliyon 2023; 9:e16688. [PMID: 37313143 PMCID: PMC10258387 DOI: 10.1016/j.heliyon.2023.e16688] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Revised: 05/23/2023] [Accepted: 05/24/2023] [Indexed: 06/15/2023] Open
Abstract
The aberrant activation of Wnt/β-catenin signaling in tumor cells and immune cells in the tumor microenvironment (TME) promotes malignant transformation, metastasis, immune evasion, and resistance to cancer treatments. The increased Wnt ligand expression in TME activates β-catenin signaling in antigen (Ag)-presenting cells (APCs) and regulates anti-tumor immunity. Previously, we showed that activation of Wnt/β-catenin signaling in dendritic cells (DCs) promotes induction of regulatory T cell responses over anti-tumor CD4+ and CD8+ effector T cell responses and promotes tumor progression. In addition to DCs, tumor-associated macrophages (TAMs) also serve as APCs and regulate anti-tumor immunity. However, the role of β-catenin activation and its effect on TAM immunogenicity in TME is largely undefined. In this study, we investigated whether inhibiting β-catenin in TME-conditioned macrophages promotes immunogenicity. Using nanoparticle formulation of XAV939 (XAV-Np), a tankyrase inhibitor that promotes β-catenin degradation, we performed in vitro macrophage co-culture assays with melanoma cells (MC) or melanoma cell supernatants (MCS) to investigate the effect on macrophage immunogenicity. We show that XAV-Np-treatment of macrophages conditioned with MC or MCS significantly upregulates the cell surface expression of CD80 and CD86 and suppresses the expression of PD-L1 and CD206 compared to MC or MCS-conditioned macrophages treated with control nanoparticle (Con-Np). Further, XAV-Np-treated macrophages conditioned with MC or MCS significantly increased IL-6 and TNF-α production, with reduced IL-10 production compared to Con-Np-treated macrophages. Moreover, the co-culture of MC and XAV-Np-treated macrophages with T cells resulted in increased CD8+ T cell proliferation compared to Con-Np-treated macrophages. These data suggest that targeted β-catenin inhibition in TAMs represents a promising therapeutic approach to promote anti-tumor immunity.
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Affiliation(s)
- Chetan Pundkar
- Department of Pathobiology, College of Veterinary Medicine, Auburn University, Auburn, AL 36849, USA
| | - Ferrin Antony
- Department of Pathobiology, College of Veterinary Medicine, Auburn University, Auburn, AL 36849, USA
| | - Xuejia Kang
- Department of Drug Discovery and Development, Harrison College of Pharmacy, Auburn University, Auburn, AL 36849, USA
- Materials Research and Education Center, Materials Engineering, Department of Mechanical Engineering, Auburn University, Auburn, AL 36849, USA
| | - Amarjit Mishra
- Department of Pathobiology, College of Veterinary Medicine, Auburn University, Auburn, AL 36849, USA
| | - R. Jayachandra Babu
- Department of Drug Discovery and Development, Harrison College of Pharmacy, Auburn University, Auburn, AL 36849, USA
| | - Pengyu Chen
- Materials Research and Education Center, Materials Engineering, Department of Mechanical Engineering, Auburn University, Auburn, AL 36849, USA
| | - Feng Li
- Department of Drug Discovery and Development, Harrison College of Pharmacy, Auburn University, Auburn, AL 36849, USA
| | - Amol Suryawanshi
- Department of Pathobiology, College of Veterinary Medicine, Auburn University, Auburn, AL 36849, USA
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Zhu Y, Wang Y, Xia G, Zhang X, Deng S, Zhao X, Xu Y, Chang G, Tao Y, Li M, Li H, Huang X, Chan HF. Oral Delivery of Bioactive Glass-Loaded Core-Shell Hydrogel Microspheres for Effective Treatment of Inflammatory Bowel Disease. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2207418. [PMID: 37092589 PMCID: PMC10288274 DOI: 10.1002/advs.202207418] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Revised: 03/13/2023] [Indexed: 05/03/2023]
Abstract
Resolving inflammation and promoting intestinal tissue regeneration are critical for inflammatory bowel disease (IBD) treatment. Bioactive glass (BG) is a clinically approved bone graft material and has been shown to modulate inflammatory response, but it is unknown whether BG can be applied to treat IBD. Here, it is reported that BG attenuates pro-inflammatory response of lipopolysaccharide (LPS)-stimulated macrophages and hence reduces inflammatory damage to intestinal organoids in vitro. In addition, zein/sodium alginate-based core-shell microspheres (Zein/SA/BG) are developed for oral delivery of BG, which helps prevent premature dissolution of BG in the stomach. The results show that Zein/SA/BG protects BG from a gastric-simulated environment while dissolved in an intestinal-simulated environment. When administered to acute and chronic colitis mice model, Zein/SA/BG significantly reduces intestinal inflammation, promotes epithelial tissue regeneration, and partially restores microbiota homeostasis. These findings are the first to reveal the therapeutic efficacy of BG against IBD, which may provide a new therapeutic approach at low cost for effective IBD treatment.
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Affiliation(s)
- Yanlun Zhu
- Key Laboratory for Regenerative Medicine of the Ministry of Education of ChinaSchool of Biomedical SciencesFaculty of MedicineThe Chinese University of Hong KongShatinHong Kong SAR999077China
- Institute for Tissue Engineering and Regenerative MedicineThe Chinese University of Hong KongShatinHong Kong SAR999077China
| | - Yiwei Wang
- Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine600 Yishan RdShanghai200233China
| | - Guanggai Xia
- Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine600 Yishan RdShanghai200233China
| | - Xuerao Zhang
- Key Laboratory for Regenerative Medicine of the Ministry of Education of ChinaSchool of Biomedical SciencesFaculty of MedicineThe Chinese University of Hong KongShatinHong Kong SAR999077China
- Institute for Tissue Engineering and Regenerative MedicineThe Chinese University of Hong KongShatinHong Kong SAR999077China
| | - Shuai Deng
- Key Laboratory for Regenerative Medicine of the Ministry of Education of ChinaSchool of Biomedical SciencesFaculty of MedicineThe Chinese University of Hong KongShatinHong Kong SAR999077China
- Institute for Tissue Engineering and Regenerative MedicineThe Chinese University of Hong KongShatinHong Kong SAR999077China
- Cell Therapy and Cell Drugs of Luzhou Key LaboratorySchool of PharmacySouthwest Medical UniversityLuzhouSichuan646000China
| | - Xiaoyu Zhao
- Key Laboratory for Regenerative Medicine of the Ministry of Education of ChinaSchool of Biomedical SciencesFaculty of MedicineThe Chinese University of Hong KongShatinHong Kong SAR999077China
- Institute for Tissue Engineering and Regenerative MedicineThe Chinese University of Hong KongShatinHong Kong SAR999077China
| | - Yanteng Xu
- Laboratory of Biomaterials and Translational MedicineCenter for NanomedicineThe Third Affiliated HospitalSun Yat‐sen UniversityGuangzhou510630China
| | - Guozhu Chang
- Key Laboratory for Regenerative Medicine of the Ministry of Education of ChinaSchool of Biomedical SciencesFaculty of MedicineThe Chinese University of Hong KongShatinHong Kong SAR999077China
- Institute for Tissue Engineering and Regenerative MedicineThe Chinese University of Hong KongShatinHong Kong SAR999077China
| | - Yu Tao
- Laboratory of Biomaterials and Translational MedicineCenter for NanomedicineThe Third Affiliated HospitalSun Yat‐sen UniversityGuangzhou510630China
| | - Mingqiang Li
- Laboratory of Biomaterials and Translational MedicineCenter for NanomedicineThe Third Affiliated HospitalSun Yat‐sen UniversityGuangzhou510630China
- Guangdong Provincial Key Laboratory of Liver DiseaseGuangzhou510630China
| | - Haiyan Li
- Chemical and Environmental EngineeringSchool of EngineeringRMIT University124 La Trobe StMelbourneVIC3000Australia
| | - Xinyu Huang
- Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine600 Yishan RdShanghai200233China
| | - Hon Fai Chan
- Key Laboratory for Regenerative Medicine of the Ministry of Education of ChinaSchool of Biomedical SciencesFaculty of MedicineThe Chinese University of Hong KongShatinHong Kong SAR999077China
- Institute for Tissue Engineering and Regenerative MedicineThe Chinese University of Hong KongShatinHong Kong SAR999077China
- Hong Kong Branch of CAS Center for Excellence in Animal Evolution and Genetics999077Hong Kong SARChina
- Center for Neuromusculoskeletal Restorative MedicineHong Kong Science ParkHong Kong SAR999077China
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Hwang IC, Valeriano VD, Song JH, Pereira M, Oh JK, Han K, Engstrand L, Kang DK. Mucosal immunization with lactiplantibacillus plantarum-displaying recombinant SARS-CoV-2 epitopes on the surface induces humoral and mucosal immune responses in mice. Microb Cell Fact 2023; 22:96. [PMID: 37161468 PMCID: PMC10169176 DOI: 10.1186/s12934-023-02100-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Accepted: 04/17/2023] [Indexed: 05/11/2023] Open
Abstract
BACKGROUND The use of probiotic lactic acid bacteria as a mucosal vaccine vector is considered a promising alternative compared to the use of other microorganisms because of its "Generally Regarded as Safe" status, its potential adjuvant properties, and its tolerogenicity to the host. Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), which causes coronavirus disease (COVID-19), is highly transmissible and pathogenic. This study aimed to determine the potential of Lactiplantibacillus plantarum expressing SARS-CoV-2 epitopes as a mucosal vaccine against SARS-CoV-2. RESULTS In this study, the possible antigenic determinants of the spike (S1-1, S1-2, S1-3, and S1-4), membrane (ME1 and ME2), and envelope (E) proteins of SARS-CoV-2 were predicted, and recombinant L. plantarum strains surface-displaying these epitopes were constructed. Subsequently, the immune responses induced by these recombinant strains were compared in vitro and in vivo. Most surface-displayed epitopes induced pro-inflammatory cytokines [tumor necrosis factor alpha (TNF-α and interleukin (IL)-6] and anti-inflammatory cytokines (IL-10) in lipopolysaccharide-induced RAW 264.7, with the highest anti-inflammatory to pro-inflammatory cytokine ratio in the S1-1 and S1-2 groups, followed by that in the S1-3 group. When orally administered of recombinant L. plantarum expressing SARS-CoV-2 epitopes in mice, all epitopes most increased the expression of IL-4, along with induced levels of TNF-α, interferon-gamma, and IL-10, specifically in spike protein groups. Thus, the surface expression of epitopes from the spike S1 protein in L. plantarum showed potential immunoregulatory effects, suggesting its ability to potentially circumvent hyperinflammatory states relevant to monocyte/macrophage cell activation. At 35 days post immunization (dpi), serum IgG levels showed a marked increase in the S1-1, S1-2, and S1-3 groups. Fecal IgA levels increased significantly from 21 dpi in all the antigen groups, but the boosting effect after 35 dpi was explicitly observed in the S1-1, S1-2, and S1-3 groups. Thus, the oral administration of SARS-CoV-2 antigens into mice induced significant humoral and mucosal immune responses. CONCLUSION This study suggests that L. plantarum is a potential vector that can effectively deliver SARS-CoV-2 epitopes to intestinal mucosal sites and could serve as a novel approach for SARS-CoV-2 mucosal vaccine development.
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Affiliation(s)
- In-Chan Hwang
- Department of Animal Resources Science, Dankook University, Cheonan, 31116, Republic of Korea
| | - Valerie Diane Valeriano
- Department of Microbiology, Tumor and Cell Biology, Karolinska Institutet, Stockholm, 17165, Sweden
| | - Ji Hoon Song
- Department of Animal Resources Science, Dankook University, Cheonan, 31116, Republic of Korea
| | - Marcela Pereira
- Department of Microbiology, Tumor and Cell Biology, Karolinska Institutet, Stockholm, 17165, Sweden
| | - Ju Kyoung Oh
- Department of Microbiology, Tumor and Cell Biology, Karolinska Institutet, Stockholm, 17165, Sweden
| | - Kyudong Han
- Department of Microbiology, College of Science and Technology, Dankook University, Cheonan, 31116, Republic of Korea
| | - Lars Engstrand
- Department of Microbiology, Tumor and Cell Biology, Karolinska Institutet, Stockholm, 17165, Sweden
| | - Dae-Kyung Kang
- Department of Animal Resources Science, Dankook University, Cheonan, 31116, Republic of Korea.
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Du K, Foote MS, Mousavi S, Buczkowski A, Schmidt S, Peh E, Kittler S, Bereswill S, Heimesaat MM. Combination of organic acids benzoate, butyrate, caprylate, and sorbate provides a novel antibiotics-independent treatment option in the combat of acute campylobacteriosis. Front Microbiol 2023; 14:1128500. [PMID: 37007531 PMCID: PMC10050375 DOI: 10.3389/fmicb.2023.1128500] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Accepted: 02/27/2023] [Indexed: 03/17/2023] Open
Abstract
IntroductionThe food-borne Gram-negative bacterial pathogen Campylobacter jejuni may cause the acute enterocolitis syndrome campylobacteriosis in infected humans. Given that human C. jejuni infections are rising globally which hold also true for resistance rates against antibiotic compounds such as macrolides and fluoroquinolones frequently prescribed for the treatment of severe infectious enteritis, novel antibiotics-independent therapeutic strategies are needed. Distinct organic acids are well known for their health-beneficial including anti-microbial and immunomodulatory properties. In our present study, we investigated potential pathogen-lowering and anti-inflammatory effects of benzoic acid, butyric acid, caprylic acid, and sorbic acid either alone or in combination during acute murine campylobacteriosis.MethodsTherefore, secondary abiotic IL-10–/– mice were perorally infected with C. jejuni strain 81–176 and subjected to a 4-day-course of respective organic acid treatment.Results and discussionOn day 6 post-infection, mice from the combination cohort displayed slightly lower pathogen loads in the duodenum, but neither in the stomach, ileum nor large intestine. Remarkably, the clinical outcome of C. jejuni induced acute enterocolitis was significantly improved after combined organic acid treatment when compared to the placebo control group. In support, the combinatory organic acid treatment dampened both, macroscopic and microscopic inflammatory sequelae of C. jejuni infection as indicated by less colonic shrinkage and less pronounced histopathological including apoptotic epithelial cell changes in the colon on day 6 post-infection. Furthermore, mice from the combination as compared to placebo cohort exhibited lower numbers of innate and adaptive immune cells such as neutrophilic granulocytes, macrophages, monocytes, and T lymphocytes in their colonic mucosa and lamina propria, respectively, which also held true for pro-inflammatory cytokine secretion in the large intestines and mesenteric lymph nodes. Notably, the anti-inflammatory effects were not restricted to the intestinal tract, but could also be observed systemically given pro-inflammatory mediator concentrations in C. jejuni infected mice from the combination organic acid treatment that were comparable to basal values. In conclusion, our in vivo study provides first evidence that an oral application of distinct organic acids in combination exhibits pronounced anti-inflammatory effects and hence, constitutes a promising novel antibiotics-independent therapeutic strategy in the combat of acute campylobacteriosis.
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Affiliation(s)
- Ke Du
- Gastrointestinal Microbiology Research Group, Institute of Microbiology, Infectious Diseases and Immunology, Charité – University Medicine Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin Institute of Health, Berlin, Germany
| | - Minnja S. Foote
- Gastrointestinal Microbiology Research Group, Institute of Microbiology, Infectious Diseases and Immunology, Charité – University Medicine Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin Institute of Health, Berlin, Germany
| | - Soraya Mousavi
- Gastrointestinal Microbiology Research Group, Institute of Microbiology, Infectious Diseases and Immunology, Charité – University Medicine Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin Institute of Health, Berlin, Germany
| | - Agnes Buczkowski
- Gastrointestinal Microbiology Research Group, Institute of Microbiology, Infectious Diseases and Immunology, Charité – University Medicine Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin Institute of Health, Berlin, Germany
- Hofmann & Sommer GmbH & Co. KG, Büro Berlin, Berlin, Germany
| | - Sebastian Schmidt
- Gastrointestinal Microbiology Research Group, Institute of Microbiology, Infectious Diseases and Immunology, Charité – University Medicine Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin Institute of Health, Berlin, Germany
- Hofmann & Sommer GmbH & Co. KG, Büro Berlin, Berlin, Germany
| | - Elisa Peh
- Institute for Food Quality and Food Safety, University of Veterinary Medicine Hannover, Hannover, Germany
| | - Sophie Kittler
- Institute for Food Quality and Food Safety, University of Veterinary Medicine Hannover, Hannover, Germany
| | - Stefan Bereswill
- Gastrointestinal Microbiology Research Group, Institute of Microbiology, Infectious Diseases and Immunology, Charité – University Medicine Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin Institute of Health, Berlin, Germany
| | - Markus M. Heimesaat
- Gastrointestinal Microbiology Research Group, Institute of Microbiology, Infectious Diseases and Immunology, Charité – University Medicine Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin Institute of Health, Berlin, Germany
- *Correspondence: Markus M. Heimesaat,
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Chen W, Chang Y, Sun C, Xu M, Dong M, Zhao N, Wang Y, Zhang J, Xu N, Liu W. A novel circular RNA circNLRP3 alleviated ricin toxin-induced TNF-α production through sponging miR-221-5p. Toxicon 2023; 224:107046. [PMID: 36702354 DOI: 10.1016/j.toxicon.2023.107046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2022] [Revised: 01/22/2023] [Accepted: 01/22/2023] [Indexed: 01/24/2023]
Abstract
Acting as microRNA (miRNA) sponges, circular RNAs (circRNAs) have been discovered to be critical modulators of inflammatory processes. Ricin Toxin (RT) is highly toxic to mammalian cells and low doses of RT can induce acute inflammation. However, current researches on the underlying mechanism and function of circRNA/miRNA network in RT-induced inflammation are limited. Previously, we found miR-221-5p was aberrant and associated with the inflammation of RT induction. In this study, based on the circRNA high-throughput sequencing (circRNA-seq), we obtained a novel circRNA termed circNLRP3 and revealed that circNLRP3 can sponge miR-221-5p, release its target mRNA A20, and further suppress NF-κB signaling pathway to alleviated RT-induced TNF-α production. Our findings elucidated a possible mechanistic link between the circNLRP3/miR-221-5p/A20 axis and RT-induced inflammatory response, which may broaden our understanding of RT poisoning.
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Affiliation(s)
- Wei Chen
- Department of Physiology and Pathophysiology, College of Medicine, Yanbian University, Yanji, 133002, Jilin, PR China
| | - Ying Chang
- Jilin Medical University, Jilin, 132013, Jilin, PR China
| | - Chengbiao Sun
- Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun, 130122, Jilin, PR China
| | - Meng Xu
- College of Life Science, Jilin Agricultural University, Changchun, 130118, Jilin, PR China
| | - Mingxin Dong
- Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun, 130122, Jilin, PR China
| | - Na Zhao
- Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun, 130122, Jilin, PR China
| | - Yan Wang
- Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun, 130122, Jilin, PR China
| | - Jianxu Zhang
- Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun, 130122, Jilin, PR China
| | - Na Xu
- Jilin Medical University, Jilin, 132013, Jilin, PR China.
| | - Wensen Liu
- Department of Physiology and Pathophysiology, College of Medicine, Yanbian University, Yanji, 133002, Jilin, PR China; Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun, 130122, Jilin, PR China.
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Asprosin Exerts Pro-Inflammatory Effects in THP-1 Macrophages Mediated via the Toll-like Receptor 4 (TLR4) Pathway. Int J Mol Sci 2022; 24:ijms24010227. [PMID: 36613673 PMCID: PMC9820073 DOI: 10.3390/ijms24010227] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Revised: 12/19/2022] [Accepted: 12/20/2022] [Indexed: 12/25/2022] Open
Abstract
Adipose tissue is a dynamic endocrine organ, secreting a plethora of adipokines which play a key role in regulating metabolic homeostasis and other physiological processes. An altered adipokine secretion profile from adipose tissue depots has been associated with obesity and related cardio-metabolic diseases. Asprosin is a recently described adipokine that is released in response to fasting and can elicit orexigenic and glucogenic effects. Circulating asprosin levels are elevated in a number of cardio-metabolic diseases, including obesity and type 2 diabetes. In vitro studies have reported pro-inflammatory effects of asprosin in a variety of tissues. The present study aimed to further elucidate the role of asprosin in inflammation by exploring its potential effect(s) in THP-1 macrophages. THP-1 monocytes were differentiated to macrophages by 48 h treatment with dihydroxyvitamin D3. Macrophages were treated with 100 nM recombinant human asprosin, 100 ng/mL lipopolysaccharide (LPS), and 10 μM caffeic acid phenethyl ester (CAPE; an inhibitor of NFκB activation) or 1 µM TAK-242 (a Toll-like receptor 4, TLR4, inhibitor). The expression and secretion of pertinent pro-inflammatory mediators were measured by qPCR, Western blot, ELISA and Bioplex. Asprosin stimulation significantly upregulated the expression and secretion of the pro-inflammatory cytokines: tumour necrosis factor α (TNFα), interleukin-1β (IL-1β), IL-8 and IL-12 in vitro. This pro-inflammatory response in THP-1 macrophages was partly attenuated by the treatments with CAPE and was significantly inhibited by TAK-242 treatment. Asprosin-induced inflammation is significantly counteracted by TLR4 inhibition in THP-1 macrophages, suggesting that asprosin exerts its pro-inflammatory effects, at least in part, via the TLR4 signalling pathway.
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Cao C, Wang Z, Gong G, Huang W, Huang L, Song S, Zhu B. Effects of Lycium barbarum Polysaccharides on Immunity and Metabolic Syndrome Associated with the Modulation of Gut Microbiota: A Review. Foods 2022; 11:3177. [PMID: 37430929 PMCID: PMC9602392 DOI: 10.3390/foods11203177] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Revised: 09/30/2022] [Accepted: 09/30/2022] [Indexed: 11/17/2022] Open
Abstract
Lycium barbarum polysaccharides (LBPs) have attracted increasing attention due to their multiple pharmacological activities and physiological functions. Recently, both in vitro and in vivo studies have demonstrated that the biological effects of dietary LBPs are related to the regulation of gut microbiota. Supplementation with LBPs could modulate the composition of microbial communities, and simultaneously influence the levels of active metabolites, thus exerting their beneficial effects on host health. Interestingly, LBPs with diverse chemical structures may enrich or reduce certain specific intestinal microbes. The present review summarizes the extraction, purification, and structural types of LBPs and the regulation effects of LBPs on the gut microbiome and their derived metabolites. Furthermore, the health promoting effects of LBPs on host bidirectional immunity (e.g., immune enhancement and immune inflammation suppression) and metabolic syndrome (e.g., obesity, type 2 diabetes, and nonalcoholic fatty liver disease) by targeting gut microbiota are also discussed based on their structural types. The contents presented in this review might help to better understand the health benefits of LBPs targeting gut microbiota and provide a scientific basis to further clarify the structure-function relationship of LBPs.
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Affiliation(s)
- Cui Cao
- Collaborative Innovation Center of Seafood Deep Processing, National Engineering Research Center of Seafood, School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, China
- National & Local Joint Engineering Laboratory for Marine Bioactive Polysaccharide Development and Application, Dalian Polytechnic University, Dalian 116034, China
- Shaanxi Natural Carbohydrate Resource Engineering Research Center, College of Food Science and Technology, Northwest University, Xi’an 710069, China
| | - Zhongfu Wang
- Shaanxi Natural Carbohydrate Resource Engineering Research Center, College of Food Science and Technology, Northwest University, Xi’an 710069, China
| | - Guiping Gong
- Shaanxi Natural Carbohydrate Resource Engineering Research Center, College of Food Science and Technology, Northwest University, Xi’an 710069, China
| | - Wenqi Huang
- Shaanxi Natural Carbohydrate Resource Engineering Research Center, College of Food Science and Technology, Northwest University, Xi’an 710069, China
| | - Linjuan Huang
- Shaanxi Natural Carbohydrate Resource Engineering Research Center, College of Food Science and Technology, Northwest University, Xi’an 710069, China
| | - Shuang Song
- Collaborative Innovation Center of Seafood Deep Processing, National Engineering Research Center of Seafood, School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, China
- National & Local Joint Engineering Laboratory for Marine Bioactive Polysaccharide Development and Application, Dalian Polytechnic University, Dalian 116034, China
| | - Beiwei Zhu
- Collaborative Innovation Center of Seafood Deep Processing, National Engineering Research Center of Seafood, School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, China
- National & Local Joint Engineering Laboratory for Marine Bioactive Polysaccharide Development and Application, Dalian Polytechnic University, Dalian 116034, China
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Wei W, Tang M, Wang Q, Li X. Circ_HECW2 regulates ox-LDL-induced dysfunction of cardiovascular endothelial cells by miR-942-5p/TLR4 axis. Clin Hemorheol Microcirc 2022:CH221550. [PMID: 36213989 DOI: 10.3233/ch-221550] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
BACKGROUND Coronary artery disease (CAD) is a common coronary artery disease. The functional mechanism of circular RNA (circRNA) HECT, C2 and WW domain containing E3 ubiquitin protein ligase 2 (circ_HECW2, hsa_circ_0057583) in ox-LDL-treated human cardiac microvascular endothelial cells (hCMECs) is still unclear. METHODS Expression levels of circ_HECW2, microRNA (miR)-942-5p, and toll-like receptor 4 (TLR4) were analyzed by quantitative real-time PCR (qRT-PCR) and western blot assays. Cell proliferation and apoptosis were analyzed by 5-ethynyl-2'-deoxyuridine (EdU) assay, cell counting kit-8 (CCK8) assay, and flow cytometry, respectively. Tube formation assay was performed to analyze the angiogenesis of cells. Luciferase reporter and RNA pull-down assays were performed to analyze the target relationship among circ_HECW2, miR-942-5p and TLR4. RESULTS Circ_HECW2 and TLR4 expression levels were up-regulated and miR-942-5p expression was decreased in the serum of CAD patients and oxidized low-density lipoprotein (ox-LDL)-induced hCMECs. Knockdown of circ_HECW2 enhanced cell proliferation and inhibited cell apoptosis in ox-LDL-treated hCMECs. MiR-942-5p was the target of circ_HECW2 and directly targeted TLR4. Moreover, the effect of circ_HECW2 knockdown could be weakened by anti-miR-942-5p, and TLR4 could restore the function of miR-942-5p on cell damage of ox-LDL-induced hCMECs. CONCLUSION Circ_HECW2 could regulate ox-LDL-induced cardiovascular endothelial cell dysfunction through targeting miR-942-5p/TLR4 axis.
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Affiliation(s)
- Wenbo Wei
- Department of Cardiology, Nanjing Jiangning Hospital of Traditional Chinese Medicine, Nanjing City, Jiangsu, China
| | - Min Tang
- Department of Cardiology, Nanjing Tongren Hospital Affiliated to Southeast University School of Medicine, Nanjing City, Jiangsu, China
| | - Qi Wang
- Department of Cardiology, Nanjing Tongren Hospital Affiliated to Southeast University School of Medicine, Nanjing City, Jiangsu, China
| | - Xiaoming Li
- Emergency Department, Ben Q Hospital Affiliated to Nanjing Medical University, Nanjing City, Jiangsu, China
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Sari E, He C, Margaroli C. Plasticity towards Rigidity: A Macrophage Conundrum in Pulmonary Fibrosis. Int J Mol Sci 2022; 23:11443. [PMID: 36232756 PMCID: PMC9570276 DOI: 10.3390/ijms231911443] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Revised: 09/21/2022] [Accepted: 09/23/2022] [Indexed: 11/16/2022] Open
Abstract
Idiopathic pulmonary fibrosis (IPF) is a progressive, chronic, and ultimately fatal diffuse parenchymal lung disease. The molecular mechanisms of fibrosis in IPF patients are not fully understood and there is a lack of effective treatments. For decades, different types of drugs such as immunosuppressants and antioxidants have been tested, usually with unsuccessful results. Although two antifibrotic drugs (Nintedanib and Pirfenidone) are approved and used for the treatment of IPF, side effects are common, and they only slow down disease progression without improving patients' survival. Macrophages are central to lung homeostasis, wound healing, and injury. Depending on the stimulus in the microenvironment, macrophages may contribute to fibrosis, but also, they may play a role in the amelioration of fibrosis. In this review, we explore the role of macrophages in IPF in relation to the fibrotic processes, epithelial-mesenchymal transition (EMT), and their crosstalk with resident and recruited cells and we emphasized the importance of macrophages in finding new treatments.
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Affiliation(s)
- Ezgi Sari
- Department of Medicine, Division of Pulmonary, Allergy & Critical Care Medicine, University of Alabama at Birmingham, Birmingham, AL 35294, USA
| | - Chao He
- Department of Medicine, Division of Pulmonary, Allergy & Critical Care Medicine, University of Alabama at Birmingham, Birmingham, AL 35294, USA
| | - Camilla Margaroli
- Department of Pathology, Division of Cellular and Molecular Pathology, University of Alabama at Birmingham, Birmingham, AL 35294, USA
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Gao S, Zou X, Wang Z, Shu X, Cao X, Xia S, Shao P, Bao X, Yang H, Xu Y, Liu P. Bergapten attenuates microglia-mediated neuroinflammation and ischemic brain injury by targeting Kv1.3 and Carbonyl reductase 1. Eur J Pharmacol 2022; 933:175242. [PMID: 36058290 DOI: 10.1016/j.ejphar.2022.175242] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Revised: 08/14/2022] [Accepted: 08/26/2022] [Indexed: 11/17/2022]
Abstract
Microglia-mediated neuroinflammation plays a vital role in the pathogenesis of ischemic stroke, which serves as a prime target for developing novel therapeutic agent. However, feasible and effective agents for controlling neuroinflammation are scarce. Bergapten were acknowledged to hold therapeutic potential in restricting inflammation in multiple diseases, including peripheral neuropathy, migraine headaches and osteoarthritis. Here, we aimed to investigate the impact of bergapten on microglia-mediated neuroinflammation and its therapeutic potential in ischemic stroke. Our study demonstrated that bergapten significantly reduced the expression of pro-inflammatory cytokines and the activation of NF-κB signaling pathway in LPS-stimulated primary microglia. Mechanistically, bergapten suppressed cellular potassium ion efflux by inhibiting Kv1.3 channel and inhibits the degradation of Carbonyl reductase 1 induced by LPS, which might contribute to the anti-inflammatory effect of bergapten. Furthermore, bergapten suppressed microglial activation and post-stroke neuroinflammation in an experimental stroke model, leading to reduced infarct size and improved functional recovery. Thus, our study identified that bergapten might be a potential therapeutic compound for the treatment of ischemic stroke.
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Affiliation(s)
- Shenghan Gao
- Department of Neurology, Nanjing Drum Tower Hospital Clinical College of Nanjing University of Chinese Medicine, Nanjing, Jiangsu, 210008, China
| | - Xinxin Zou
- Department of Neurology, Drum Tower Hospital, Medical School and The State Key Laboratory of Pharmaceutical Biotechnology, Institute of Translational Medicine for Brain Critical Diseases, Nanjing University, Nanjing, 210008, China
| | - Zibu Wang
- Department of Neurology, Nanjing Drum Tower Hospital Clinical College of Nanjing University of Chinese Medicine, Nanjing, Jiangsu, 210008, China
| | - Xin Shu
- Department of Neurology, Nanjing Drum Tower Hospital Clinical College of Nanjing University of Chinese Medicine, Nanjing, Jiangsu, 210008, China
| | - Xiang Cao
- Department of Neurology, Drum Tower Hospital, Medical School and The State Key Laboratory of Pharmaceutical Biotechnology, Institute of Translational Medicine for Brain Critical Diseases, Nanjing University, Nanjing, 210008, China
| | - Shengnan Xia
- Department of Neurology, Drum Tower Hospital, Medical School and The State Key Laboratory of Pharmaceutical Biotechnology, Institute of Translational Medicine for Brain Critical Diseases, Nanjing University, Nanjing, 210008, China
| | - Pengfei Shao
- Department of Neurology, Drum Tower Hospital, Medical School and The State Key Laboratory of Pharmaceutical Biotechnology, Institute of Translational Medicine for Brain Critical Diseases, Nanjing University, Nanjing, 210008, China
| | - Xinyu Bao
- Department of Neurology, Drum Tower Hospital, Medical School and The State Key Laboratory of Pharmaceutical Biotechnology, Institute of Translational Medicine for Brain Critical Diseases, Nanjing University, Nanjing, 210008, China
| | - Haiyan Yang
- Department of Neurology, Drum Tower Hospital, Medical School and The State Key Laboratory of Pharmaceutical Biotechnology, Institute of Translational Medicine for Brain Critical Diseases, Nanjing University, Nanjing, 210008, China
| | - Yun Xu
- Department of Neurology, Nanjing Drum Tower Hospital Clinical College of Nanjing University of Chinese Medicine, Nanjing, Jiangsu, 210008, China; Department of Neurology, Drum Tower Hospital, Medical School and The State Key Laboratory of Pharmaceutical Biotechnology, Institute of Translational Medicine for Brain Critical Diseases, Nanjing University, Nanjing, 210008, China; Jiangsu Key Laboratory for Molecular Medicine, Medical School of Nanjing University, Nanjing, 210008, China; Jiangsu Provincial Key Discipline of Neurology, Nanjing, 210008, China; Nanjing Neurology Medical Center, Nanjing, 210008, China.
| | - Pinyi Liu
- Department of Neurology, Drum Tower Hospital, Medical School and The State Key Laboratory of Pharmaceutical Biotechnology, Institute of Translational Medicine for Brain Critical Diseases, Nanjing University, Nanjing, 210008, China.
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Jiang W, Lin Y, Qian L, Miao L, Liu B, Ge X, Shen H. Mulberry leaf meal: A potential feed supplement for juvenile Megalobrama amblycephala "Huahai No. 1". FISH & SHELLFISH IMMUNOLOGY 2022; 128:279-287. [PMID: 35870747 DOI: 10.1016/j.fsi.2022.07.022] [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: 05/01/2022] [Revised: 07/08/2022] [Accepted: 07/11/2022] [Indexed: 06/15/2023]
Abstract
This study was performed to evaluate the potential application of mulberry leaf meal (ML) and fermented mulberry leaf meal (FML) as feed supplements in aquatic animals for developing varieties of practical and economical feed ingredients. Juveniles Megalobrama amblycephala were fed a basal diet (35.7% crude protein, 10.4% crude lipid; control group) supplemented with 2.22% and 4.44% mulberry leaf meals (ML2, ML4) and fermented mulberry leaf meals (FML2, FML4) for 8 weeks. Generally, the two-way ANOVA showed the supplementation level exhibited a prominent effect on the growth performance and physiological status of fish. Furthermore, the two-way ANOVA showed the supplementary fermented mulberry leaf meal increased plasma complement 4 (C4) content (P < 0.05). The weight gain rate (WGR, 145.87%) and the specific growth rate (SGR, 1.63%) were significantly increased in FML2 group compared with the control group (P < 0.05). The muscle crude lipid content and hepatosomatic index (HSI) were higher in FML2 group than that in ML2 group (P < 0.05). The hepatic GSH content in ML4 group and CAT, T-SOD activities in FML4 group were significantly increased compared with the control group (P < 0.05). The hepatic MDA content in FML4 group was significantly decreased compared with the FML2 group (P < 0.05). Total cholesterol (TC) contents showed a significant decrease in ML4 and FML4 groups compared with the control group (P < 0.05). Regarding the gene expression, sirtiun 1 (Sirt1) gene expression was elevated in FML2 group compared with the ML2 group (P < 0.05). Compare to the control group, FML2 diet significantly increased the expression of i-kappa-B alpha (IKBα) gene in liver, and decreased the expression of forkhead box O1 α (FoxO1α), toll-like receptors 4 (TLR4) and nuclear factor-kappa B (NF-κB) genes (P < 0.05). In conclusion, 2.22% FML promoted the growth performance of M. amblycephala and enhanced the anti-inflammatory responses by inhibiting TLR4/NF-κB signaling pathway. On the other hand, 4.44% FML reduced plasma lipid content (hypolipedemic effect) and improved the hepatic antioxidant capacity of M. amblycephala.
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Affiliation(s)
- Wenqiang Jiang
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi, China
| | - Yan Lin
- Key Laboratory of Freshwater Fisheries and Germplasm Resources Utilization, Ministry of Agriculture and Rural Affairs, Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi, 214081, China
| | - Linjie Qian
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi, China
| | - Linghong Miao
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi, China; Key Laboratory of Freshwater Fisheries and Germplasm Resources Utilization, Ministry of Agriculture and Rural Affairs, Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi, 214081, China.
| | - Bo Liu
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi, China; Key Laboratory of Freshwater Fisheries and Germplasm Resources Utilization, Ministry of Agriculture and Rural Affairs, Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi, 214081, China
| | - Xianping Ge
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi, China; Key Laboratory of Freshwater Fisheries and Germplasm Resources Utilization, Ministry of Agriculture and Rural Affairs, Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi, 214081, China.
| | - Huaishun Shen
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi, China; Key Laboratory of Freshwater Fisheries and Germplasm Resources Utilization, Ministry of Agriculture and Rural Affairs, Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi, 214081, China
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Lai XX, Zhang CP, Wu YX, Yang Y, Zhang MQ, Qin WJ, Wang RX, Shu H. Comparative transcriptome analysis reveals physiological responses in liver tissues of Epinephelus coioides under acute hypoxia stress. COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY. PART D, GENOMICS & PROTEOMICS 2022; 43:101005. [PMID: 35653833 DOI: 10.1016/j.cbd.2022.101005] [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: 12/12/2021] [Revised: 05/16/2022] [Accepted: 05/16/2022] [Indexed: 06/15/2023]
Abstract
Hypoxia is a common stressor for aquatic animals, including Epinephelus coioides, with a considerable impact on sustainable aquaculture. E. coioides is a widely consumed fish in China owing to its high nutritious value and taste. However, water hypoxia caused by high density culture process has become a great threat to E. coioides culture, and its response to hypoxia stress has not been discussed before. Therefore, the aim of this study was to examine the response of E. coioides to acute hypoxia using transcriptomic techniques. To this end, RNA sequencing was performed on the liver tissues of fish exposed to normoxic and hypoxic conditions for 1 h. The results presented 503 differentially expressed genes (DEGs) in the liver tissue of fish exposed to hypoxic condition compared with those in the normoxic group. Enrichment analysis using the Gene Ontology database showed that the DEGs were mainly enriched for functions related to cell apoptosis signaling pathways, insulin resistance, antioxidant enzymes, and glycolysis/gluconeogenesis signaling pathways. KEGG enrichment analysis showed that HIF-1, PI3K-AKT, IL-17, NF-kappa B, and MAPK signaling pathways were significantly enriched by the DEGs. The DEGs were mainly involved in immune response, inflammatory response, cell apoptosis regulation, energy metabolism, and substance metabolism. Additionally, the hypoxia response in E. coioides was mainly regulated via the PI3K-AKT-HIF-1 signaling axis. Overall, the findings of this study contribute to the understanding of hypoxia stress response in E. coioides, and provides target genes for breeding hypoxia-tolerant Epinephelus spp.
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Affiliation(s)
- Xing-Xing Lai
- School of Life Sciences, Guangzhou University, Guangzhou 51006, China.
| | - Cui-Ping Zhang
- School of Life Sciences, Guangzhou University, Guangzhou 51006, China
| | - Yu-Xin Wu
- School of Life Sciences, Guangzhou University, Guangzhou 51006, China
| | - Yang Yang
- School of Life Sciences, Sun Yat-sen University, Guangzhou 51006, China
| | - Ming-Qing Zhang
- School of Life Sciences, Guangzhou University, Guangzhou 51006, China
| | - Wei-Jian Qin
- School of Life Sciences, Guangzhou University, Guangzhou 51006, China
| | - Rui-Xuan Wang
- School of Life Sciences and Food Engineering, Hanshan Normal University, Chaozhou 521041, China.
| | - Hu Shu
- School of Life Sciences, Guangzhou University, Guangzhou 51006, China.
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42
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Rajamanickam K, Leela V, Suganya G, Basha SH, Parthiban M, Visha P, Elango A. Thermal cum lipopolysaccharide-induced stress challenge downregulates functional response of bovine monocyte-derived macrophages. J Therm Biol 2022; 108:103301. [DOI: 10.1016/j.jtherbio.2022.103301] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2021] [Revised: 06/20/2022] [Accepted: 07/27/2022] [Indexed: 10/16/2022]
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43
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Liang ZY, Xu XJ, Rao J, Yang ZL, Wang CH, Chen CM. Mesenchymal Stem Cell-Derived Exosomal MiRNAs Promote M2 Macrophages Polarization: Therapeutic Opportunities for Spinal Cord Injury. Front Mol Neurosci 2022; 15:926928. [PMID: 35903172 PMCID: PMC9319398 DOI: 10.3389/fnmol.2022.926928] [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: 04/23/2022] [Accepted: 06/17/2022] [Indexed: 11/13/2022] Open
Abstract
Spinal cord injury (SCI) is an enormous public health concern affecting approximately 250,000–500,000 people worldwide each year. It is mostly irreversible considering the limitations of currently available treatments, and its prevention and management have been the prime focus of many studies. Mesenchymal stem cell (MSC) transplantation is one of the most promising treatments for SCI. The role of MSCs in SCI has been studied extensively, and MSCs have been shown to have many limitations. Moreover, the therapeutic effects of MSCs are more likely related to paracrine effects. In SCIs, macrophages from peripheral sources differentiate into M1 macrophages, promoting inflammation and aggravating neuronal damage; however, studies have shown that MSC-derived exosomes can induce the polarization of macrophages from the M1 to the M2 phenotype, thereby promoting nerve function recovery in patients with SCI. In this review, we discussed the research progress of MSC-derived exosomal miRNAs in promoting M2 macrophage differentiation in the SCI, and introduced some exosomal miRNAs that can regulate the differentiation of M2 macrophages in non-SCI; it is hoped that the regulatory role of these exosome-derived miRNAs can be confirmed in SCI.
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Affiliation(s)
- Ze-Yan Liang
- *Correspondence: Ze-Yan Liang Chun-Hua Wang Chun-Mei Chen
| | | | | | | | - Chun-Hua Wang
- *Correspondence: Ze-Yan Liang Chun-Hua Wang Chun-Mei Chen
| | - Chun-Mei Chen
- *Correspondence: Ze-Yan Liang Chun-Hua Wang Chun-Mei Chen
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44
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Margraf A, Perretti M. Immune Cell Plasticity in Inflammation: Insights into Description and Regulation of Immune Cell Phenotypes. Cells 2022; 11:cells11111824. [PMID: 35681519 PMCID: PMC9180515 DOI: 10.3390/cells11111824] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Revised: 05/28/2022] [Accepted: 05/30/2022] [Indexed: 02/01/2023] Open
Abstract
Inflammation is a life-saving immune reaction occurring in response to invading pathogens. Nonetheless, inflammation can also occur in an uncontrolled, unrestricted manner, leading to chronic disease and organ damage. Mechanisms triggering an inflammatory response, hindering such a response, or leading to its resolution are well-studied but so far insufficiently elucidated with regard to precise therapeutic interventions. Notably, as an immune reaction evolves, requirements and environments for immune cells change, and thus cellular phenotypes adapt and shift, leading to the appearance of distinct cellular subpopulations with new functional features. In this article, we aim to highlight properties of, and overarching regulatory factors involved in, the occurrence of immune cell phenotypes with a special focus on neutrophils, macrophages and platelets. Additionally, we point out implications for both diagnostics and therapeutics in inflammation research.
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Katkar GD, Sayed IM, Anandachar MS, Castillo V, Vidales E, Toobian D, Usmani F, Sawires JR, Leriche G, Yang J, Sandborn WJ, Das S, Sahoo D, Ghosh P. Artificial intelligence-rationalized balanced PPARα/γ dual agonism resets dysregulated macrophage processes in inflammatory bowel disease. Commun Biol 2022; 5:231. [PMID: 35288651 PMCID: PMC8921270 DOI: 10.1038/s42003-022-03168-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2021] [Accepted: 02/07/2022] [Indexed: 12/12/2022] Open
Abstract
A computational platform, Boolean network explorer (BoNE), has recently been developed to infuse AI-enhanced precision into drug discovery; it enables invariant Boolean Implication Networks of disease maps for prioritizing high-value targets. Here we used BoNE to query an Inflammatory Bowel Disease (IBD)-map and prioritize a therapeutic strategy that involves dual agonism of two nuclear receptors, PPARα/γ. Balanced agonism of PPARα/γ was predicted to modulate macrophage processes, ameliorate colitis, 'reset' the gene expression network from disease to health. Predictions were validated using a balanced and potent PPARα/γ-dual-agonist (PAR5359) in Citrobacter rodentium- and DSS-induced murine colitis models. Using inhibitors and agonists, we show that balanced-dual agonism promotes bacterial clearance efficiently than individual agonists, both in vivo and in vitro. PPARα is required and sufficient to induce the pro-inflammatory cytokines and cellular ROS, which are essential for bacterial clearance and immunity, whereas PPARγ-agonism blunts these responses, delays microbial clearance; balanced dual agonism achieved controlled inflammation while protecting the gut barrier and 'reversal' of the transcriptomic network. Furthermore, dual agonism reversed the defective bacterial clearance observed in PBMCs derived from IBD patients. These findings not only deliver a macrophage modulator for use as barrier-protective therapy in IBD, but also highlight the potential of BoNE to rationalize combination therapy.
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Affiliation(s)
- Gajanan D Katkar
- Department of Cellular and Molecular Medicine, University of California San Diego, San Diego, USA
| | - Ibrahim M Sayed
- Department of Pathology, University of California San Diego, San Diego, USA.,Department of Medical Microbiology and Immunology, Faculty of Medicine, Assiut University, Assiut, Egypt
| | | | - Vanessa Castillo
- Department of Cellular and Molecular Medicine, University of California San Diego, San Diego, USA
| | - Eleadah Vidales
- Department of Cellular and Molecular Medicine, University of California San Diego, San Diego, USA
| | - Daniel Toobian
- Department of Cellular and Molecular Medicine, University of California San Diego, San Diego, USA
| | - Fatima Usmani
- Department of Pathology, University of California San Diego, San Diego, USA
| | - Joseph R Sawires
- Department of Chemistry and Biochemistry, University of California San Diego, San Diego, USA
| | - Geoffray Leriche
- Department of Chemistry and Biochemistry, University of California San Diego, San Diego, USA
| | - Jerry Yang
- Department of Chemistry and Biochemistry, University of California San Diego, San Diego, USA
| | - William J Sandborn
- Department of Medicine, University of California San Diego, San Diego, USA.
| | - Soumita Das
- Department of Pathology, University of California San Diego, San Diego, USA.
| | - Debashis Sahoo
- Department of Computer Science and Engineering, Jacob's School of Engineering, University of California San Diego, San Diego, USA. .,Department of Pediatrics, University of California San Diego, San Diego, USA. .,Rebecca and John Moore Comprehensive Cancer Center, University of California San Diego, San Diego, USA.
| | - Pradipta Ghosh
- Department of Cellular and Molecular Medicine, University of California San Diego, San Diego, USA. .,Department of Medicine, University of California San Diego, San Diego, USA. .,Rebecca and John Moore Comprehensive Cancer Center, University of California San Diego, San Diego, USA. .,Veterans Affairs Medical Center, La Jolla, San Diego, USA.
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Ait Eldjoudi D, Ruiz-Fernandez C, González-Rodriguez M, Ait Atmane S, Cordero-Barreal A, Farrag Y, Pino J, Sineiro J, Lago F, Conde-Aranda J, Khettal B, Gualillo O. Analgesic and antiinflammatory effects of Nigella orientalis L. seeds fixed oil: Pharmacological potentials and molecular mechanisms. Phytother Res 2022; 36:1372-1385. [PMID: 35194856 DOI: 10.1002/ptr.7400] [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: 10/13/2021] [Revised: 01/17/2022] [Accepted: 01/17/2022] [Indexed: 11/10/2022]
Abstract
Nigella species have been widely used in traditional medicine. The aim of this study was to evaluate the antiinflammatory and analgesic potentials of Nigella orientalis L. seeds fixed oil (NOO). The acetic acid writhing test and the formaldehyde-induced licking paw were performed to assess the analgesic activity of the oil. The antiinflammatory activity was first evaluated in vitro by the erythrocyte membrane stabilization then in vivo by xylene- and carrageenan-induced ear and paw edema, respectively. To further understand the molecular mechanism of action of the Nigella extract, lipopolysaccharide-activated RAW 264.7 macrophages were used. Nitric oxide (NO) production was measured by Griess reaction and cell viability by MTT assay. The gene and protein expression of inflammatory mediators were assessed by RT-PCR and western blot, respectively. NOO exerted a potent analgesic effect in in vivo models of writhing test and induced edema. The analyzed molecular mechanisms revealed a role for NO and prostaglandins as molecules mediating the pharmacological effects of the extract through a mechanism involving nuclear factor-κB and mitogen-activated protein kinases. This study demonstrates, for the first time, that the fixed oil of N. orientalis has strong antinociceptive and antiinflammatory properties and might be a promising agent for the treatment of certain inflammation-related diseases.
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Affiliation(s)
- Djedjiga Ait Eldjoudi
- Laboratoire de Biotechnologies Végétales et Ethnobotanique, Faculté des Sciences de la Nature et de la Vie, Université de Bejaia, Bejaia, Algeria.,SERGAS (Servizo Galego de Saude) and IDIS (Instituto de Investigación Sanitaria de Santiago), NEIRID Lab (Neuroendocrine Interactions in Rheumatology and Inflammatory Diseases), Research Laboratory 9, Santiago University Clinical Hospital, Santiago de Compostela, Spain
| | - Clara Ruiz-Fernandez
- SERGAS (Servizo Galego de Saude) and IDIS (Instituto de Investigación Sanitaria de Santiago), NEIRID Lab (Neuroendocrine Interactions in Rheumatology and Inflammatory Diseases), Research Laboratory 9, Santiago University Clinical Hospital, Santiago de Compostela, Spain
| | - María González-Rodriguez
- SERGAS (Servizo Galego de Saude) and IDIS (Instituto de Investigación Sanitaria de Santiago), NEIRID Lab (Neuroendocrine Interactions in Rheumatology and Inflammatory Diseases), Research Laboratory 9, Santiago University Clinical Hospital, Santiago de Compostela, Spain
| | - Sihem Ait Atmane
- Laboratoire de Biotechnologies Végétales et Ethnobotanique, Faculté des Sciences de la Nature et de la Vie, Université de Bejaia, Bejaia, Algeria
| | - Alfonso Cordero-Barreal
- SERGAS (Servizo Galego de Saude) and IDIS (Instituto de Investigación Sanitaria de Santiago), NEIRID Lab (Neuroendocrine Interactions in Rheumatology and Inflammatory Diseases), Research Laboratory 9, Santiago University Clinical Hospital, Santiago de Compostela, Spain
| | - Yousof Farrag
- SERGAS (Servizo Galego de Saude) and IDIS (Instituto de Investigación Sanitaria de Santiago), NEIRID Lab (Neuroendocrine Interactions in Rheumatology and Inflammatory Diseases), Research Laboratory 9, Santiago University Clinical Hospital, Santiago de Compostela, Spain
| | - Jesus Pino
- SERGAS (Servizo Galego de Saude) and IDIS (Instituto de Investigación Sanitaria de Santiago), NEIRID Lab (Neuroendocrine Interactions in Rheumatology and Inflammatory Diseases), Research Laboratory 9, Santiago University Clinical Hospital, Santiago de Compostela, Spain
| | - Jorge Sineiro
- Department of Chemical Engineering, University of Santiago de Compostela, Santiago de Compostela, Spain
| | - Francisca Lago
- Molecular and Cellular Cardiology Group, SERGAS (Servizo Galego de Saude) and IDIS (Instituto de Investigación Sanitaria de Santiago), Research Laboratory 7, Santiago University Clinical Hospital, Santiago de Compostela, Spain
| | - Javier Conde-Aranda
- IDIS (Instituto de Investigación Sanitaria de Santiago), Grupo de Gastroenterología Molecular y Celular, Santiago University Clinical Hospital, Santiago de Compostela, Spain
| | - Bachra Khettal
- Laboratoire de Biotechnologies Végétales et Ethnobotanique, Faculté des Sciences de la Nature et de la Vie, Université de Bejaia, Bejaia, Algeria
| | - Oreste Gualillo
- SERGAS (Servizo Galego de Saude) and IDIS (Instituto de Investigación Sanitaria de Santiago), NEIRID Lab (Neuroendocrine Interactions in Rheumatology and Inflammatory Diseases), Research Laboratory 9, Santiago University Clinical Hospital, Santiago de Compostela, Spain
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Castro J, Harrington AM, Chegini F, Matusica D, Spencer NJ, Brierley SM, Haberberger RV, Barry CM. Clodronate Treatment Prevents Vaginal Hypersensitivity in a Mouse Model of Vestibulodynia. Front Cell Infect Microbiol 2022; 11:784972. [PMID: 35118009 PMCID: PMC8803747 DOI: 10.3389/fcimb.2021.784972] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Accepted: 12/27/2021] [Indexed: 12/18/2022] Open
Abstract
IntroductionImproved understanding of vestibulodynia pathophysiology is required to develop appropriately targeted treatments. Established features include vulvovaginal hyperinnervation, increased nociceptive signalling and hypersensitivity. Emerging evidence indicates macrophage-neuron signalling contributes to chronic pain pathophysiology. Macrophages are broadly classified as M1 or M2, demonstrating pro-nociceptive or anti-nociceptive effects respectively. This study investigates the impact of clodronate liposomes, a macrophage depleting agent, on nociceptive signalling in a mouse model of vestibulodynia.MethodsMicroinjection of complete Freund’s adjuvant (CFA) at the vaginal introitus induced mild chronic inflammation in C57Bl/6J mice. A subgroup was treated with the macrophage depleting agent clodronate. Control mice received saline. After 7 days, immunolabelling for PGP9.5, F4/80+CD11c+ and F4/80+CD206+ was used to compare innervation density and presence of M1 and M2 macrophages respectively in experimental groups. Nociceptive signalling evoked by vaginal distension was assessed using immunolabelling for phosphorylated MAP extracellular signal-related kinase (pERK) in spinal cord sections. Hyperalgesia was assessed by visceromotor response to graded vaginal distension.ResultsCFA led to increased vaginal innervation (p < 0.05), increased pERK-immunoreactive spinal cord dorsal horn neurons evoked by vaginal-distension (p < 0.01) and enhanced visceromotor responses compared control mice (p < 0.01). Clodronate did not reduce vaginal hyperinnervation but significantly reduced the abundance of M1 and M2 vaginal macrophages and restored vaginal nociceptive signalling and vaginal sensitivity to that of healthy control animals.ConclusionsWe have developed a robust mouse model of vestibulodynia that demonstrates vaginal hyperinnervation, enhanced nociceptive signalling, hyperalgesia and allodynia. Macrophages contribute to hypersensitivity in this model. Macrophage-sensory neuron signalling pathways may present useful pathophysiological targets.
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Affiliation(s)
- Joel Castro
- Visceral Pain Research Group, College of Medicine and Public Health, Flinders Health and Medical Research Institute (FHMRI), Flinders University, Bedford Park, SA, Australia
- Hopwood Centre for Neurobiology, Lifelong Health Theme, South Australian Health and Medical Research Institute (SAHMRI), Adelaide, SA, Australia
| | - Andrea M. Harrington
- Visceral Pain Research Group, College of Medicine and Public Health, Flinders Health and Medical Research Institute (FHMRI), Flinders University, Bedford Park, SA, Australia
- Hopwood Centre for Neurobiology, Lifelong Health Theme, South Australian Health and Medical Research Institute (SAHMRI), Adelaide, SA, Australia
| | - Fariba Chegini
- Musculoskeletal Neurobiology Laboratory, College of Medicine and Public Health, Flinders Health and Medical Research Institute (FHMRI), Flinders University, Adelaide, SA, Australia
| | - Dusan Matusica
- Pain and Sensory Neurobiology Laboratory, College of Medicine and Public Health, Flinders Health and Medical Research Institute (FHMRI), Flinders University, Adelaide, SA, Australia
| | - Nick J. Spencer
- Visceral Neurophysiology Laboratory, College of Medicine and Public Health, Flinders Health and Medical Research Institute (FHMRI), Flinders University, Adelaide, SA, Australia
| | - Stuart M. Brierley
- Visceral Pain Research Group, College of Medicine and Public Health, Flinders Health and Medical Research Institute (FHMRI), Flinders University, Bedford Park, SA, Australia
| | - Rainer V. Haberberger
- School of Biomedicine, Faculty of Health and Medical Sciences, University of Adelaide, Adelaide, SA, Australia
| | - Christine M. Barry
- Musculoskeletal Neurobiology Laboratory, College of Medicine and Public Health, Flinders Health and Medical Research Institute (FHMRI), Flinders University, Adelaide, SA, Australia
- *Correspondence: Christine M. Barry,
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Li Z, Sun C, Wang F, Wang X, Zhu J, Luo L, Ding X, Zhang Y, Ding P, Wang H, Pu M, Li Y, Wang S, Qin Q, Wei Y, Sun J, Wang X, Luo Y, Chen D, Qiu W. Molecular mechanisms governing circulating immune cell heterogeneity across different species revealed by single-cell sequencing. Clin Transl Med 2022; 12:e689. [PMID: 35092700 PMCID: PMC8800483 DOI: 10.1002/ctm2.689] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2021] [Revised: 11/30/2021] [Accepted: 12/15/2021] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND Immune cells play important roles in mediating immune response and host defense against invading pathogens. However, insights into the molecular mechanisms governing circulating immune cell diversity among multiple species are limited. METHODS In this study, we compared the single-cell transcriptomes of immune cells from 12 species. Distinct molecular profiles were characterized for different immune cell types, including T cells, B cells, natural killer cells, monocytes, and dendritic cells. RESULTS Our data revealed the heterogeneity and compositions of circulating immune cells among 12 different species. Additionally, we explored the conserved and divergent cellular crosstalks and genetic regulatory networks among vertebrate immune cells. Notably, the ligand and receptor pair VIM-CD44 was highly conserved among the immune cells. CONCLUSIONS This study is the first to provide a comprehensive analysis of the cross-species single-cell transcriptome atlas for peripheral blood mononuclear cells (PBMCs). This research should advance our understanding of the cellular taxonomy and fundamental functions of PBMCs, with important implications in evolutionary biology, developmental biology, and immune system disorders.
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Affiliation(s)
- Zhibin Li
- Department of NeurologyThe Third Affiliated Hospital of Sun Yat‐Sen UniversityGuangzhouChina
| | - Chengcheng Sun
- BGI‐ShenzhenShenzhenChina
- College of Life SciencesUniversity of Chinese Academy of SciencesBeijingChina
| | - Fei Wang
- BGI‐ShenzhenShenzhenChina
- Department of BiomedicineAarhus UniversityAarhusDenmark
- Lars Bolund Institute of Regenerative MedicineQingdao‐Europe Advanced Institute for Life Sciences, BGI‐Qingdao, BGI‐ShenzhenQingdaoChina
| | - Xiran Wang
- National Risk Assessment Laboratory for Antimicrobial Resistance of Animal Original BacteriaSouth China Agricultural UniversityGuangzhouChina
- Guangdong Laboratory for Lingnan Modern AgricultureGuangzhouChina
| | - Jiacheng Zhu
- BGI‐ShenzhenShenzhenChina
- College of Life SciencesUniversity of Chinese Academy of SciencesBeijingChina
| | - Lihua Luo
- BGI‐ShenzhenShenzhenChina
- College of Life SciencesUniversity of Chinese Academy of SciencesBeijingChina
| | - Xiangning Ding
- BGI‐ShenzhenShenzhenChina
- College of Life SciencesUniversity of Chinese Academy of SciencesBeijingChina
| | - Yanan Zhang
- Tsinghua‐Berkeley Shenzhen InstituteTsinghua UniversityShenzhenChina
| | - Peiwen Ding
- BGI‐ShenzhenShenzhenChina
- College of Life SciencesUniversity of Chinese Academy of SciencesBeijingChina
| | - Haoyu Wang
- BGI‐ShenzhenShenzhenChina
- College of Life SciencesUniversity of Chinese Academy of SciencesBeijingChina
| | | | | | - Shiyou Wang
- BGI‐ShenzhenShenzhenChina
- College of Life SciencesUniversity of Chinese Academy of SciencesBeijingChina
| | | | | | - Jian Sun
- National Risk Assessment Laboratory for Antimicrobial Resistance of Animal Original BacteriaSouth China Agricultural UniversityGuangzhouChina
- Guangdong Laboratory for Lingnan Modern AgricultureGuangzhouChina
| | - Xiangdong Wang
- Department of Pulmonary and Critical Care MedicineZhongshan HospitalShanghaiChina
- Fudan University Shanghai Medical CollegeShanghaiChina
| | - Yonglun Luo
- BGI‐ShenzhenShenzhenChina
- Department of BiomedicineAarhus UniversityAarhusDenmark
- Lars Bolund Institute of Regenerative MedicineQingdao‐Europe Advanced Institute for Life Sciences, BGI‐Qingdao, BGI‐ShenzhenQingdaoChina
- Steno Diabetes Center AarhusAarhus University HospitalAarhusDenmark
| | | | - Wei Qiu
- Department of NeurologyThe Third Affiliated Hospital of Sun Yat‐Sen UniversityGuangzhouChina
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Wellington VNA, Sundaram VL, Singh S, Sundaram U. Dietary Supplementation with Vitamin D, Fish Oil or Resveratrol Modulates the Gut Microbiome in Inflammatory Bowel Disease. Int J Mol Sci 2021; 23:206. [PMID: 35008631 PMCID: PMC8745446 DOI: 10.3390/ijms23010206] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Revised: 12/20/2021] [Accepted: 12/22/2021] [Indexed: 12/11/2022] Open
Abstract
Gastrointestinal health is influenced by the functional genes and metabolites generated by the human microbiome. As the volume of current biomedical and translational research indicates, the importance and impact of this ecosystem of microorganisms, especially those comprising the gut microbiome on human health, has become increasingly apparent. Changes to the gut microbiome are associated with inflammatory bowel disease (IBD), which is characterized by persistent intestinal inflammation. Furthermore, the lifetime dietary choices of their host may positively or negatively affect both the gut microbiome and its impact on IBD. As such, "anti-inflammatory" dietary supplements, their impact, and mechanisms in restoring gut microbiota homeostasis during IBD is an area of intensive research. Dietary supplementation may represent an important adjuvant treatment avenue for limiting intestinal inflammation in IBD. Overall, this review addresses the development of the gut microbiome, the significance of the gut microbiome in IBD, and the use of dietary supplements such as vitamin D, fish oil, and resveratrol in the mitigation of IBD-associated gut dysbiosis and intestinal inflammation.
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Affiliation(s)
| | | | | | - Uma Sundaram
- Department of Clinical and Translational Sciences, Marshall University, Huntington, WV 25755, USA; (V.N.A.W.); (V.L.S.); (S.S.)
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Cao C, Zhu B, Liu Z, Wang X, Ai C, Gong G, Hu M, Huang L, Song S. An arabinogalactan from Lycium barbarum attenuates DSS-induced chronic colitis in C57BL/6J mice associated with the modulation of intestinal barrier function and gut microbiota. Food Funct 2021; 12:9829-9843. [PMID: 34664587 DOI: 10.1039/d1fo01200b] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Ulcerative colitis (UC) is an incurable chronic inflammation of the enteric tract. The aim of this study was to investigate the protective effects of arabinogalactan from Lycium barbarum on DSS-induced chronic colitis. A homogeneous arabinogalactan was isolated and purified from L. barbarum, named LBP-3, which mainly consisted of arabinose and galactose with a molar ratio of 1.00 : 0.82. LBP-3 treatment remarkably alleviated body weight loss, histopathological damage and the overproduction of pro-inflammatory cytokines and enzymes in UC mice. Additionally, the intestinal barrier integrity was partially recovered by the up-regulated expression of MUC2 and tight junction proteins. Moreover, the gut microbiota shift was reversed by LBP-3 administration by enriching potential probiotic bacteria (e.g., Ruminococcaceae) and inhibiting the proliferation of harmful bacteria (e.g., Enterobacteriaceae). Furthermore, SCFAs, as major metabolites of LBP-3 fermentation by gut microbiota, were also promoted so as to maintain relatively favorable intestinal homeostasis. Overall, our findings suggested LBP-3 from L. barbarum could be a potential therapeutic candidate against UC via improving intestinal barrier function and partially restoring gut microbiota and its metabolites.
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Affiliation(s)
- Cui Cao
- The College of Life Sciences, Northwest University, Xi'an 710069, China. .,Shaanxi Natural Carbohydrate Resource Engineering Research Center, College of Food Science and Technology, Northwest University, Xi'an 710069, China.,National Engineering Research Center of Seafood, School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, China.
| | - Beiwei Zhu
- National Engineering Research Center of Seafood, School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, China. .,National & Local Joint Engineering Laboratory for Marine Bioactive Polysaccharide Development and Application, Dalian Polytechnic University, Dalian 116034, China
| | - Zhengqi Liu
- National Engineering Research Center of Seafood, School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, China. .,National & Local Joint Engineering Laboratory for Marine Bioactive Polysaccharide Development and Application, Dalian Polytechnic University, Dalian 116034, China.,Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China
| | - Xue Wang
- The College of Life Sciences, Northwest University, Xi'an 710069, China. .,Shaanxi Natural Carbohydrate Resource Engineering Research Center, College of Food Science and Technology, Northwest University, Xi'an 710069, China
| | - Chunqing Ai
- National Engineering Research Center of Seafood, School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, China. .,National & Local Joint Engineering Laboratory for Marine Bioactive Polysaccharide Development and Application, Dalian Polytechnic University, Dalian 116034, China
| | - Guiping Gong
- Shaanxi Natural Carbohydrate Resource Engineering Research Center, College of Food Science and Technology, Northwest University, Xi'an 710069, China
| | - Minghua Hu
- Infinitus (China) Company Ltd, Jiangmen 529156, Guangdong, China
| | - Linjuan Huang
- The College of Life Sciences, Northwest University, Xi'an 710069, China. .,Shaanxi Natural Carbohydrate Resource Engineering Research Center, College of Food Science and Technology, Northwest University, Xi'an 710069, China
| | - Shuang Song
- National Engineering Research Center of Seafood, School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, China. .,National & Local Joint Engineering Laboratory for Marine Bioactive Polysaccharide Development and Application, Dalian Polytechnic University, Dalian 116034, China
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