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Mishra A, Khan A, Singh VK, Glyde E, Saikolappan S, Garnica O, Das K, Veerapandian R, Dhandayuthapani S, Jagannath C. The ΔfbpAΔsapM candidate vaccine derived from Mycobacterium tuberculosis H37Rv is markedly immunogenic in macrophages and induces robust immunity to tuberculosis in mice. Front Immunol 2024; 15:1321657. [PMID: 38975346 PMCID: PMC11224292 DOI: 10.3389/fimmu.2024.1321657] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2023] [Accepted: 06/03/2024] [Indexed: 07/09/2024] Open
Abstract
Tuberculosis (TB) remains a significant global health challenge, with approximately 1.5 million deaths per year. The Bacillus Calmette-Guérin (BCG) vaccine against TB is used in infants but shows variable protection. Here, we introduce a novel approach using a double gene knockout mutant (DKO) from wild-type Mycobacterium tuberculosis (Mtb) targeting fbpA and sapM genes. DKO exhibited enhanced anti-TB gene expression in mouse antigen-presenting cells, activating autophagy and inflammasomes. This heightened immune response improved ex vivo antigen presentation to T cells. Subcutaneous vaccination with DKO led to increased protection against TB in wild-type C57Bl/6 mice, surpassing the protection observed in caspase 1/11-deficient C57Bl/6 mice and highlighting the critical role of inflammasomes in TB protection. The DKO vaccine also generated stronger and longer-lasting protection than the BCG vaccine in C57Bl/6 mice, expanding both CD62L-CCR7-CD44+/-CD127+ effector T cells and CD62L+CCR7+/-CD44+CD127+ central memory T cells. These immune responses correlated with a substantial ≥ 1.7-log10 reduction in Mtb lung burden. The DKO vaccine represents a promising new approach for TB immunization that mediates protection through autophagy and inflammasome pathways.
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Affiliation(s)
- Abhishek Mishra
- Department of Pathology and Genomic Medicine, Houston Methodist Research Institute, Weill-Cornell Medicine, Houston, TX, United States
| | - Arshad Khan
- Department of Pathology and Genomic Medicine, Houston Methodist Research Institute, Weill-Cornell Medicine, Houston, TX, United States
| | - Vipul Kumar Singh
- Department of Pathology and Genomic Medicine, Houston Methodist Research Institute, Weill-Cornell Medicine, Houston, TX, United States
| | - Emily Glyde
- Department of Pathology and Genomic Medicine, Houston Methodist Research Institute, Weill-Cornell Medicine, Houston, TX, United States
| | - Sankaralingam Saikolappan
- Department of Molecular and Translational Medicine, Texas Tech University Health Sciences Center El Paso, El Paso, TX, United States
| | - Omar Garnica
- Department of Molecular and Translational Medicine, Texas Tech University Health Sciences Center El Paso, El Paso, TX, United States
| | - Kishore Das
- Department of Molecular and Translational Medicine, Texas Tech University Health Sciences Center El Paso, El Paso, TX, United States
| | - Raja Veerapandian
- Department of Molecular and Translational Medicine, Texas Tech University Health Sciences Center El Paso, El Paso, TX, United States
| | - Subramanian Dhandayuthapani
- Department of Molecular and Translational Medicine, Texas Tech University Health Sciences Center El Paso, El Paso, TX, United States
| | - Chinnaswamy Jagannath
- Department of Pathology and Genomic Medicine, Houston Methodist Research Institute, Weill-Cornell Medicine, Houston, TX, United States
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Cheng C, Hsu SK, Chen YC, Liu W, Shu ED, Chien CM, Chiu CC, Chang WT. Burning down the house: Pyroptosis in the tumor microenvironment of hepatocellular carcinoma. Life Sci 2024; 347:122627. [PMID: 38614301 DOI: 10.1016/j.lfs.2024.122627] [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: 11/20/2023] [Revised: 03/20/2024] [Accepted: 04/10/2024] [Indexed: 04/15/2024]
Abstract
A high mortality rate makes hepatocellular carcinoma (HCC) a difficult cancer to treat. When surgery is not possible, liver cancer patients are treated with chemotherapy. However, HCC management and treatment are difficult. Sorafenib, which is a first-line treatment for hepatocellular carcinoma, initially slows disease progression. However, sorafenib resistance limits patient survival. Recent studies have linked HCC to programmed cell death, which has increased researcher interest in therapies targeting cell death. Pyroptosis, which is an inflammatory mode of programmed cell death, may be targeted to treat HCC. Pyroptosis pathways, executors, and effects are examined in this paper. This review summarizes how pyroptosis affects the tumor microenvironment (TME) in HCC, including the role of cytokines such as IL-1β and IL-18 in regulating immune responses. The use of chemotherapies and their ability to induce cancer cell pyroptosis as alternative treatments and combining them with other drugs to reduce side effects is also discussed. In conclusion, we highlight the potential of inducing pyroptosis to treat HCC and suggest ways to improve patient outcomes. Studies on cancer cell pyroptosis may lead to new HCC treatments.
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Affiliation(s)
- Chi Cheng
- School of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan
| | - Sheng-Kai Hsu
- Department of Biotechnology, Kaohsiung Medical University, Kaohsiung 807, Taiwan
| | - Yen-Chun Chen
- Department of Biotechnology, Kaohsiung Medical University, Kaohsiung 807, Taiwan
| | - Wangta Liu
- Department of Biotechnology, Kaohsiung Medical University, Kaohsiung 807, Taiwan
| | - En-De Shu
- Department of Biotechnology, Kaohsiung Medical University, Kaohsiung 807, Taiwan
| | - Ching-Ming Chien
- Department of Medical Sciences Industry, College of Health Sciences, Chang Jung Christian University, Tainan 711, Taiwan
| | - Chien-Chih Chiu
- Department of Biotechnology, Kaohsiung Medical University, Kaohsiung 807, Taiwan; Center for Cancer Research, Kaohsiung Medical University, Kaohsiung 807, Taiwan; Department of Biological Sciences, National Sun Yat-Sen University, Kaohsiung 804, Taiwan; Department of Medical Research, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan; The Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan.
| | - Wen-Tsan Chang
- Division of General and Digestive Surgery, Department of Surgery, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan; Department of Surgery, School of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan.
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Sharma VK, Prateeksha P, Singh SP, Rao CV, Singh BN. Nyctanthes arbor-tristis bioactive extract ameliorates LPS-induced inflammation through the inhibition of NF-κB signalling pathway. JOURNAL OF ETHNOPHARMACOLOGY 2024; 320:117382. [PMID: 37925001 DOI: 10.1016/j.jep.2023.117382] [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: 08/30/2023] [Revised: 10/31/2023] [Accepted: 11/01/2023] [Indexed: 11/06/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Nyctanthes arbor-tristis L. is a mythical plant used in traditional Indian medicinal systems for the treatment of inflammation, rheumatoid arthritis, and pain-related responses. However, its bioactive compounds and underlying mechanism of action have not been fully elucidated. AIM OF THE STUDY This investigation aimed to study the anti-inflammatory and anti-nociceptive effects of the bioactive extract of N. arbor-tristis (NATE), both in vitro and in vivo, elucidate the possible mechanism of action, and determine its chemicals. MATERIALS AND METHODS We studied the anti-inflammatory and anti-nociceptive activities of NATE on lipopolysaccharide-stimulated RAW264.7 macrophages, paw-ear edema, and acetic acid-induced pain in rats and analysed its chemical components using Liquid Chromatography Electrospray Ionization Tandem Mass Spectrometric (LC-ESI-MS). RESULTS NATE efficiently reduced the production of various inflammatory mediators and factors, such as free radicals, lipid peroxidation, nitrous oxide (NO), reactive oxygen species (ROS), inducible nitric oxide synthase (iNOS), cyclooxygenase-2 (COX-2), tumor necrosis factor-alpha (TNFα), interleukin-6 (IL-6), interleukin-1beta (IL-1β), and IL-10, as well as their corresponding mRNA expression in LPS-induced RAW264.7 cells (p < 0.001). Furthermore, NATE inhibited the activation of a key signaling pathway, nuclear factor-kappa B (NF-kB), as it caused a decrease in the degradation of inhibitor of kB alpha (IkBa). Administration of NATE significantly inhibited carrageenan-induced paw edema (p < 0.001), TPA-induced ear edema, and the production of inflammatory factors (p < 0.01). NATE revealed anti-nociceptive impacts in acetic acid-induced writhing and tail immersion experiments (p < 0.001) as well as no toxicity signs. A total of six compounds, namely iridoid glycoside (6,7-di-O-benzonylnyctanthoside), arborsides A, arborsides C, betulinic acid, kaempferol 3-O-glucoside, and kaempferol 3-O-rutinoside, were characterized through the examination of their mass spectra in correlation with those documented in a database of mass spectra. CONCLUSIONS The present study furnishes scientific corroboration of the inhibitory potency of N. arbor-tristis as a promising herbal treatment for inflammation and pain responses without toxicity, offering a scientific basis for future drug development strategies aimed at ameliorating inflammatory diseases.
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Affiliation(s)
- Vivek K Sharma
- Herbal Nanobiotechnology Lab, Pharmacology Division, CSIR-National Botanical Research Institute, Lucknow, 226001, India
| | - Prateeksha Prateeksha
- Herbal Nanobiotechnology Lab, Pharmacology Division, CSIR-National Botanical Research Institute, Lucknow, 226001, India
| | - Shailendra P Singh
- Centre of Advanced Study in Botany, Department of Botany, Institute of Science, Banaras Hindu University, Varanasi, 221005, UP, India
| | - Chandana V Rao
- Herbal Nanobiotechnology Lab, Pharmacology Division, CSIR-National Botanical Research Institute, Lucknow, 226001, India
| | - Brahma N Singh
- Herbal Nanobiotechnology Lab, Pharmacology Division, CSIR-National Botanical Research Institute, Lucknow, 226001, India; Academy of Scientific and Innovation Research (AcSIR), Ghaziabad, 201002, India.
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Wujiamaiti Z, Kizaibek M, Bahetijian D, Li Y, Gui Y, Abula A. Urtica cannabina L. water extract exhibits anti-inflammatory activity by regulating inflammatory cytokines: In vitro and in vivo evidence. JOURNAL OF ETHNOPHARMACOLOGY 2024; 318:116907. [PMID: 37453626 DOI: 10.1016/j.jep.2023.116907] [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: 05/11/2023] [Revised: 07/05/2023] [Accepted: 07/10/2023] [Indexed: 07/18/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Urtica cannabina L. (U. cannabina) is a medicinal plant used in traditional Chinese and Kazakh medicine for treatment of various ailments such as rheumatoid arthritis, rheumatic pain, high blood pressure, and snake bites. However, very few studies have focused on the anti-inflammatory effects of U. cannabina and the mechanisms underlying these effects. AIM OF THE STUDY This study to investigate the in vitro and in vivo anti-inflammatory effect of U. cannabina, the underlying mechanisms, and its phytochemical profile. MATERIALS AND METHODS We investigated the anti-inflammatory effects of the U. cannabina water extract on lipopolysaccharide-stimulated RAW264.7 macrophages and paw edema in rats and analyzed its chemical components using ultra-performance liquid chromatography-mass spectrometry (UPLC-MS). RESULTS U. cannabina water extract effectively inhibited the secretion of multiple inflammatory factors, and its corresponding mRNA expression in LPS-induced RAW264.7 cells (p < 0.05). Tincture of U. cannabina water extract significantly reduced carrageenan-induced rat paw edema and levels of inflammatory factors (p < 0.05). A total of 31 compounds, which mainly include organic acids, were tentatively identified based on the comparison of their mass spectrum profiles with those recorded in a mass spectra database. CONCLUSIONS The results of this study elucidated the anti-inflammatory effect of U. cannabina water extract in vitro and in vivo and showed that the extract elicits the anti-inflammatory effects by regulating the activity of inflammatory cytokines. The results prove that U. cannabina is a valuable source of active compounds with anti-inflammatory activity.
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Affiliation(s)
| | - Murat Kizaibek
- Traditional Kazakh Medicine Research Institute of Ili Kazakh Autonomous Prefecture, Yining, 835000, China; Traditional Chinese Medicine Hospital of Ili Kazakh Autonomous Prefecture, Yining, 835000, China.
| | - Didaer Bahetijian
- Traditional Kazakh Medicine Research Institute of Ili Kazakh Autonomous Prefecture, Yining, 835000, China; Traditional Chinese Medicine Hospital of Ili Kazakh Autonomous Prefecture, Yining, 835000, China.
| | - Yanan Li
- School of Chemistry and Environmental Science, Yili Normal University, Yining, 835000, China.
| | - Yingying Gui
- Xinjiang Enze Chinese Medicine Yinpian Co. Ltd., Yining, 835000, China.
| | - Ajiranmu Abula
- College of Pharmacy, Xinjiang Medical University, Urumqi, 830011, China.
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Hu XM, Zheng SY, Mao R, Zhang Q, Wan XX, Zhang YY, Li J, Yang RH, Xiong K. Pyroptosis-related gene signature elicits immune response in rosacea. Exp Dermatol 2024; 33:e14812. [PMID: 37086043 DOI: 10.1111/exd.14812] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2023] [Revised: 03/22/2023] [Accepted: 03/24/2023] [Indexed: 04/23/2023]
Abstract
Rosacea is a complex chronic inflammatory skin disorder with high morbidity. Pyroptosis is known as a regulated inflammatory cell death. While its association with immune response to various inflammatory disorders is well established, little is known about its functional relevance of rosacea. So, we aimed to explore and enrich the pathogenesis involved in pyroptosis-related rosacea aggravations. In this study, we evaluated the pyroptosis-related patterns of rosacea by consensus clustering analysis of 45 ferroptosis-related genes (FRGs), with multiple immune cell infiltration analysis to identify the pyroptosis-mediated immune response in rosacea using GSE65914 dataset. The co-co-work between PRGs and WGCNA-revealed hub genes has established using PPI network. FRG signature was highlighted in rosacea using multi-transcriptomic and experiment analysis. Based on this, three distinct pyroptosis-related rosacea patterns (non/moderate/high) were identified, and the notably enriched pathways have revealed through GO, KEGG and GSEA analysis, especially immune-related pathways. Also, the XCell/MCPcount/ssGSEA/Cibersort underlined the immune-related signalling (NK cells, Monocyte, Neutrophil, Th2 cells, Macrophage), whose hub genes were identified through WGCNA (NOD2, MYD88, STAT1, HSPA4, CXCL8). Finally, we established a pyroptosis-immune co-work during the rosacea aggravations. FRGs may affect the progression of rosacea by regulating the immune cell infiltrations. In all, pyroptosis with its mediated immune cell infiltration is a critical factor during the development of rosacea.
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Affiliation(s)
- Xi-Min Hu
- Department of Dermatology, Xiangya Hospital, Central South University, Changsha, China
- Department of Anatomy and Neurobiology, School of Basic Medical Science, Central South University, Changsha, China
| | - Sheng-Yuan Zheng
- Department of Dermatology, Xiangya Hospital, Central South University, Changsha, China
| | - Rui Mao
- Department of Dermatology, Xiangya Hospital, Central South University, Changsha, China
| | - Qi Zhang
- Department of Anatomy and Neurobiology, School of Basic Medical Science, Central South University, Changsha, China
| | - Xin-Xing Wan
- Department of Endocrinology, Third Xiangya Hospital, Central South University, Changsha, China
| | - Yi-Ya Zhang
- Department of Dermatology, Xiangya Hospital, Central South University, Changsha, China
- Hunan Key Laboratory of Aging Biology, Xiangya Hospital, Central South University, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Ji Li
- Department of Dermatology, Xiangya Hospital, Central South University, Changsha, China
- Hunan Key Laboratory of Aging Biology, Xiangya Hospital, Central South University, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Rong-Hua Yang
- Department of Burn and Plastic Surgery, Guangzhou First People's Hospital, South China University of Technology, Guangzhou, China
| | - Kun Xiong
- Department of Anatomy and Neurobiology, School of Basic Medical Science, Central South University, Changsha, China
- Hunan Key Laboratory of Ophthalmology, Xiangya Hospital, Central South University, Changsha, China
- Key Laboratory of Emergency and Trauma, Ministry of Education, College of Emergency and Trauma, Hainan Medical University, Haikou, China
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Conde T, Neves B, Couto D, Melo T, Lopes D, Pais R, Batista J, Cardoso H, Silva JL, Domingues P, Domingues MR. Polar Lipids of Marine Microalgae Nannochloropsis oceanica and Chlorococcum amblystomatis Mitigate the LPS-Induced Pro-Inflammatory Response in Macrophages. Mar Drugs 2023; 21:629. [PMID: 38132950 PMCID: PMC10745121 DOI: 10.3390/md21120629] [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: 11/02/2023] [Revised: 11/23/2023] [Accepted: 12/05/2023] [Indexed: 12/23/2023] Open
Abstract
Microalgae are recognized as a relevant source of bioactive compounds. Among these bioactive products, lipids, mainly glycolipids, have been shown to present immunomodulatory properties with the potential to mitigate chronic inflammation. This study aimed to evaluate the anti-inflammatory effect of polar lipids isolated from Nannochloropsis oceanica and Chlorococcum amblystomatis. Three fractions enriched in (1) digalactosyldiacylglycerol (DGDG) and sulfoquinovosyldiacylglycerol (SQDG), (2) monogalactosyldiacylglycerol (MGDG), and (3) diacylglyceryl-trimethylhomoserine (DGTS) and phospholipids (PL) were obtained from the total lipid extracts (TE) of N. oceanica and C. amblystomatis, and their anti-inflammatory effect was assessed by analyzing their capacity to counteract nitric oxide (NO) production and transcription of pro-inflammatory genes Nos2, Ptgs2, Tnfa, and Il1b in lipopolysaccharide (LPS)-activated macrophages. For both microalgae, TE and Fractions 1 and 3 strongly inhibited NO production, although to different extents. A strong reduction in the LPS-induced transcription of Nos2, Ptgs2, Tnfa, and Il1b was observed for N. oceanica and C. amblystomatis lipids. The most active fractions were the DGTS-and-PL-enriched fraction from N. oceanica and the DGDG-and-SQDG-enriched fraction from C. amblystomatis. Our results reveal that microalgae lipids have strong anti-inflammatory capacity and may be explored as functional ingredients or nutraceuticals, offering a natural solution to tackle chronic inflammation-associated diseases.
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Affiliation(s)
- Tiago Conde
- Mass Spectrometry Centre, LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, Santiago University Campus, 3810-193 Aveiro, Portugal; (D.C.); (T.M.); (R.P.); (J.B.)
- CESAM—Centre for Environmental and Marine Studies, Department of Chemistry, University of Aveiro, Santiago University Campus, 3810-193 Aveiro, Portugal; (D.L.); (P.D.)
- Department of Medical Sciences and Institute of Biomedicine—iBiMED, University of Aveiro, 3810-193 Aveiro, Portugal;
| | - Bruno Neves
- Department of Medical Sciences and Institute of Biomedicine—iBiMED, University of Aveiro, 3810-193 Aveiro, Portugal;
| | - Daniela Couto
- Mass Spectrometry Centre, LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, Santiago University Campus, 3810-193 Aveiro, Portugal; (D.C.); (T.M.); (R.P.); (J.B.)
- CESAM—Centre for Environmental and Marine Studies, Department of Chemistry, University of Aveiro, Santiago University Campus, 3810-193 Aveiro, Portugal; (D.L.); (P.D.)
| | - Tânia Melo
- Mass Spectrometry Centre, LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, Santiago University Campus, 3810-193 Aveiro, Portugal; (D.C.); (T.M.); (R.P.); (J.B.)
- CESAM—Centre for Environmental and Marine Studies, Department of Chemistry, University of Aveiro, Santiago University Campus, 3810-193 Aveiro, Portugal; (D.L.); (P.D.)
| | - Diana Lopes
- CESAM—Centre for Environmental and Marine Studies, Department of Chemistry, University of Aveiro, Santiago University Campus, 3810-193 Aveiro, Portugal; (D.L.); (P.D.)
| | - Rita Pais
- Mass Spectrometry Centre, LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, Santiago University Campus, 3810-193 Aveiro, Portugal; (D.C.); (T.M.); (R.P.); (J.B.)
| | - Joana Batista
- Mass Spectrometry Centre, LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, Santiago University Campus, 3810-193 Aveiro, Portugal; (D.C.); (T.M.); (R.P.); (J.B.)
| | - Helena Cardoso
- R&D Department, Allmicroalgae—Natural Products S.A., Rua 25 de Abril s/n, 2445-413 Pataias, Portugal; (H.C.); (J.L.S.)
| | - Joana Laranjeira Silva
- R&D Department, Allmicroalgae—Natural Products S.A., Rua 25 de Abril s/n, 2445-413 Pataias, Portugal; (H.C.); (J.L.S.)
| | - Pedro Domingues
- CESAM—Centre for Environmental and Marine Studies, Department of Chemistry, University of Aveiro, Santiago University Campus, 3810-193 Aveiro, Portugal; (D.L.); (P.D.)
| | - M. Rosário Domingues
- Mass Spectrometry Centre, LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, Santiago University Campus, 3810-193 Aveiro, Portugal; (D.C.); (T.M.); (R.P.); (J.B.)
- CESAM—Centre for Environmental and Marine Studies, Department of Chemistry, University of Aveiro, Santiago University Campus, 3810-193 Aveiro, Portugal; (D.L.); (P.D.)
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Chiu YH, Liang YH, Hwang JJ, Wang HS. IL-1β stimulated human umbilical cord mesenchymal stem cells ameliorate rheumatoid arthritis via inducing apoptosis of fibroblast-like synoviocytes. Sci Rep 2023; 13:15344. [PMID: 37714911 PMCID: PMC10504325 DOI: 10.1038/s41598-023-42585-1] [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: 03/07/2023] [Accepted: 09/12/2023] [Indexed: 09/17/2023] Open
Abstract
Rheumatoid arthritis (RA) is characterized by synovial proliferation and lymphocyte accumulation leading to progressive damage of the periarticular bone and the articular cartilage. The hyperplasia of the synovial intima lining mainly consists of fibroblast-like synoviocytes-rheumatoid arthritis (HFLS-RA) which exhibit apoptosis-resistance, hyper-proliferation, and high invasiveness. The therapeutic efficacy of mesenchymal stem cells (MSCs) treatment in RA has been shown to be due to its immuno-regulatory ability. However, the exact factors and mechanisms involved in MSCs treatment in RA remain unclear. In this study, TRAIL receptor-Death receptor 4 (DR4), DR5, and LFA-1 ligand-intercellular adhesion molecule-1 (ICAM-1) were upregulated in IL-1β-stimulated HFLS-RA. We demonstrated that the total cell number of IL-1β-stimulated hUCMSCs adhering to IL-1β-stimulated HFLA-RA increased via LFA-1/ICAM-1 interaction. Direct co-culture of IL-1β-stimulated hUCMSCs with IL-1β-stimulated HFLS-RA increased the apoptosis of HFLS-RA. RA symptoms in the CIA mouse model improved after administration of IL-1β-stimulated hUCMSCs. In conclusion, IL-1β-stimulated hUCMSCs adhering to HFLS-RA occurred via LFA-1/ICAM-1 interaction, apoptosis of HFLS-RA was induced via TRAIL/DR4, DR5 contact, and RA symptoms and inflammation were significantly improved in a CIA mouse model. The results of this study suggest that IL-1β-stimulated hUCMSCs have therapeutic potential in RA treatment.
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Affiliation(s)
- Yun-Hsuan Chiu
- Institute of Anatomy and Cell Biology, School of Medicine, National Yang Ming Chiao Tung University, Peitou, Taipei, 112, Taiwan, ROC
| | - Ya-Han Liang
- Institute of Anatomy and Cell Biology, School of Medicine, National Yang Ming Chiao Tung University, Peitou, Taipei, 112, Taiwan, ROC
| | - Jeng-Jong Hwang
- Department of Medical Imaging, Chung Shan Medical University Hospital affiliated with Medical Imaging and Radiological Sciences, Chung Shan Medical University, Taichung, 402, Taiwan, ROC
| | - Hwai-Shi Wang
- Institute of Anatomy and Cell Biology, School of Medicine, National Yang Ming Chiao Tung University, Peitou, Taipei, 112, Taiwan, ROC.
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Pahuja I, Verma A, Ghoshal A, Mukhopadhyay S, Kumari A, Shaji A, Chaturvedi S, Dwivedi VP, Bhaskar A. Biapenem, a Carbapenem Antibiotic, Elicits Mycobacteria Specific Immune Responses and Reduces the Recurrence of Tuberculosis. Microbiol Spectr 2023; 11:e0085823. [PMID: 37272833 PMCID: PMC10434282 DOI: 10.1128/spectrum.00858-23] [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: 02/27/2023] [Accepted: 05/23/2023] [Indexed: 06/06/2023] Open
Abstract
Tuberculosis (TB) still tops the list of global health burdens even after COVID-19. However, it will sooner transcend the current pandemic due to the prevailing risk of reactivation of latent TB in immunocompromised individuals. The indiscriminate misuse and overuse of antibiotics have resulted in the emergence of deadly drug-resistant variants of Mycobacterium tuberculosis (M.tb). This study aims to characterize the functionality of the carbapenem antibiotic-Biapenem (BPM) in generating long-lasting immunity against TB. BPM treatment significantly boosted the activation status of the innate immune arm-macrophages by augmenting p38 signaling. Macrophages further primed and activated the adaptive immune cells CD4+ and CD8+ T-cells in the lung and spleen of the infected mice model. Furthermore, BPM treatment significantly amplified the polarization of T lymphocytes toward inflammatory subsets, such as Th1 and Th17. The treatment also helped generate a long-lived central memory T-cell subset. The generation of central memory T lymphocyte subset upon BPM treatment in the murine model led to a significant curtailing in the recurrence of TB due to reactivation and reinfection. These results suggest the potentiality of BPM as a potent adjunct immunomodulator to improve host defense against M.tb by enriching long-term protective memory cells. IMPORTANCE Tuberculosis (TB) caused by Mycobacterium tuberculosis (M.tb) tops the list of infectious killers around the globe. The emergence of drug-resistant variants of M.tb has been a major hindrance toward realizing the "END TB" goal. Drug resistance has amplified the global burden toward the quest for novel drug molecules targeting M.tb. Host-directed therapy (HDT) offers a lucrative alternative to tackle emerging drug resistance and disease relapse by strengthening the host's immunity. Through our present study, we have tried to characterize the functionality of the carbapenem antibiotic-Biapenem (BPM). BPM treatment significantly augmented long-lasting immunity against TB by boosting the innate and adaptive immune arms. The generation of long-lived central memory T lymphocyte subset significantly improved the disease outcome and provided sterilizing immunity in the murine model of TB. The present investigation's encouraging results have helped us depict BPM as a potent adjunct immunomodulator for treating TB.
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Affiliation(s)
- Isha Pahuja
- Immunobiology Group, International Centre for Genetic Engineering and Biotechnology, New Delhi, India
- Department of Molecular Medicine, Jamia Hamdard University, New Delhi, India
| | - Akanksha Verma
- Immunobiology Group, International Centre for Genetic Engineering and Biotechnology, New Delhi, India
| | - Antara Ghoshal
- Immunobiology Group, International Centre for Genetic Engineering and Biotechnology, New Delhi, India
| | - Suparba Mukhopadhyay
- Immunobiology Group, International Centre for Genetic Engineering and Biotechnology, New Delhi, India
| | - Anjna Kumari
- Immunobiology Group, International Centre for Genetic Engineering and Biotechnology, New Delhi, India
| | - Aishwarya Shaji
- Immunobiology Group, International Centre for Genetic Engineering and Biotechnology, New Delhi, India
| | - Shivam Chaturvedi
- Immunobiology Group, International Centre for Genetic Engineering and Biotechnology, New Delhi, India
| | - Ved Prakash Dwivedi
- Immunobiology Group, International Centre for Genetic Engineering and Biotechnology, New Delhi, India
| | - Ashima Bhaskar
- Immunobiology Group, International Centre for Genetic Engineering and Biotechnology, New Delhi, India
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Torres GM, Jarnagin HC, Park C, Yang H, Kosarek NN, Bhandari R, Wang CY, Kolling FW, Whitfield ML, Turk MJ, Liby KT, Pioli PA. CDDO-Methyl Ester Inhibits BRAF Inhibitor Resistance and Remodels the Myeloid Compartment in BRAF-mutant Melanoma. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.08.01.551524. [PMID: 37577680 PMCID: PMC10418171 DOI: 10.1101/2023.08.01.551524] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/15/2023]
Abstract
Approximately 50% of advanced melanomas harbor activating BRAF V600E mutations that are sensitive to BRAF inhibition. However, the duration of the response to BRAF inhibitors (BRAFi) has been limited due to the development of acquired resistance, which is preceded by recruitment of immunosuppressive myeloid cells and regulatory T cells (T regs ). While the addition of MAPK/ERK kinase 1 inhibitors (MEKi) prolongs therapeutic response to BRAF inhibition, most patients still develop resistance. Using a Braf V600E/+ /Pten -/- graft mouse model of melanoma, we now show that the addition of the methyl ester of the synthetic triterpenoid 2-cyano-3,12-dioxooleana-1,9(11)-dien-28-oic acid (C-Me) to the BRAFi vemurafenib analog PLX4720 at resistance significantly reduces tumor burden. Dual treatment remodels the BRAFi resistant-tumor microenvironment (TME), reducing infiltration of T regs and tumor associated macrophages (TAMs), and attenuates immunosuppressive cytokine production. For the first time, we characterize myeloid populations using scRNA-seq in BRAFi-resistant tumors and demonstrate that restoration of therapeutic response is associated with significant changes in immune-activated myeloid subset representation. Collectively, these studies suggest that C-Me inhibits acquired resistance to BRAFi. Use of C-Me in combination with other therapies may both inhibit melanoma growth and enhance therapeutic responsiveness more broadly.
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10
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Kokinos EK, Tsymbal SA, Galochkina AV, Bezlepkina SA, Nikolaeva JV, Vershinina SO, Shtro AA, Tatarskiy VV, Shtil AA, Broude EV, Roninson IB, Dukhinova M. Inhibition of Cyclin-Dependent Kinases 8/19 Restricts Bacterial and Virus-Induced Inflammatory Responses in Monocytes. Viruses 2023; 15:1292. [PMID: 37376593 PMCID: PMC10305654 DOI: 10.3390/v15061292] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2023] [Revised: 05/29/2023] [Accepted: 05/29/2023] [Indexed: 06/29/2023] Open
Abstract
Hyperactivation of the immune system remains a dramatic, life-threatening complication of viral and bacterial infections, particularly during pneumonia. Therapeutic approaches to counteract local and systemic outbreaks of cytokine storm and to prevent tissue damage remain limited. Cyclin-dependent kinases 8 and 19 (CDK8/19) potentiate transcriptional responses to the altered microenvironment, but CDK8/19 potential in immunoregulation is not fully understood. In the present study, we investigated how a selective CDK8/19 inhibitor, Senexin B, impacts the immunogenic profiles of monocytic cells stimulated using influenza virus H1N1 or bacterial lipopolysaccharides. Senexin B was able to prevent the induction of gene expression of proinflammatory cytokines in THP1 and U937 cell lines and in human peripheral blood-derived mononuclear cells. Moreover, Senexin B substantially reduced functional manifestations of inflammation, including clustering and chemokine-dependent migration of THP1 monocytes and human pulmonary fibroblasts (HPF).
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Affiliation(s)
- Elena K Kokinos
- SCAMT Institute, ITMO University, 9 Lomonosova Street, 191002 Saint-Petersburg, Russia
| | - Sergey A Tsymbal
- SCAMT Institute, ITMO University, 9 Lomonosova Street, 191002 Saint-Petersburg, Russia
| | - Anastasia V Galochkina
- Smorodintsev Research Institute of Influenza, 15/17 Prof. Popov Street, 197376 Saint-Petersburg, Russia
| | - Svetlana A Bezlepkina
- SCAMT Institute, ITMO University, 9 Lomonosova Street, 191002 Saint-Petersburg, Russia
| | - Julia V Nikolaeva
- Smorodintsev Research Institute of Influenza, 15/17 Prof. Popov Street, 197376 Saint-Petersburg, Russia
| | - Sofia O Vershinina
- SCAMT Institute, ITMO University, 9 Lomonosova Street, 191002 Saint-Petersburg, Russia
| | - Anna A Shtro
- Smorodintsev Research Institute of Influenza, 15/17 Prof. Popov Street, 197376 Saint-Petersburg, Russia
| | - Victor V Tatarskiy
- Institute of Gene Biology, Russian Academy of Sciences, 34/5 Vavilova Street, 119334 Moscow, Russia
| | - Alexander A Shtil
- Blokhin National Medical Research Center of Oncology, Kashirskoe Highway 24, 115478 Moscow, Russia
| | - Eugenia V Broude
- Department of Drug Discovery and Biomedical Sciences, University of South Carolina, Sumter Street 715, Columbia, SC 29208, USA
| | - Igor B Roninson
- Department of Drug Discovery and Biomedical Sciences, University of South Carolina, Sumter Street 715, Columbia, SC 29208, USA
| | - Marina Dukhinova
- SCAMT Institute, ITMO University, 9 Lomonosova Street, 191002 Saint-Petersburg, Russia
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11
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Loftus SN, Liu J, Berthier CC, Gudjonsson JE, Gharaee-Kermani M, Tsoi LC, Kahlenberg JM. Loss of interleukin-1 beta is not protective in the lupus-prone NZM2328 mouse model. Front Immunol 2023; 14:1162799. [PMID: 37261358 PMCID: PMC10227599 DOI: 10.3389/fimmu.2023.1162799] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Accepted: 04/21/2023] [Indexed: 06/02/2023] Open
Abstract
Aberrant activation of the innate immune system is a known driver of lupus pathogenesis. Inhibition of the inflammasome and its downstream signaling components in murine models of lupus has been shown to reduce the severity of disease. Interleukin-1 beta (IL-1β) is a proinflammatory cytokine released from cells following inflammasome activation. Here, we examine how loss of IL-1β affects disease severity in the lupus-prone NZM2328 mouse model. We observed a sex-biased increase in immune complex deposition in the kidneys of female mice in the absence of IL-1β that corresponds to worsened proteinuria. Loss of IL-1β did not result in changes in overall survival, anti-dsDNA autoantibody production, or renal immune cell infiltration. RNA-sequencing analysis identified upregulation of TNF and IL-17 signaling pathways specifically in females lacking IL-1β. Increases in these signaling pathways were also found in female patients with lupus nephritis, suggesting clinical relevance for upregulation of these pathways. Together, these data suggest that inhibition of the inflammasome or its downstream elements that block IL-1β signaling may need to be approached with caution in SLE, especially in patients with renal involvement to prevent potential disease exacerbation.
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Affiliation(s)
- Shannon N. Loftus
- Division of Rheumatology, Department of Internal Medicine, University of Michigan, Ann Arbor, MI, United States
- Graduate Program in Immunology, University of Michigan, Ann Arbor, MI, United States
| | - Jianhua Liu
- Division of Rheumatology, Department of Internal Medicine, University of Michigan, Ann Arbor, MI, United States
| | - Celine C. Berthier
- Division of Nephrology, Department of Internal Medicine, University of Michigan, Ann Arbor, MI, United States
| | | | - Mehrnaz Gharaee-Kermani
- Division of Rheumatology, Department of Internal Medicine, University of Michigan, Ann Arbor, MI, United States
- Department of Dermatology, University of Michigan, Ann Arbor, MI, United States
| | - Lam C. Tsoi
- Department of Dermatology, University of Michigan, Ann Arbor, MI, United States
- Department of Computational Medicine and Bioinformatics, University of Michigan, Ann Arbor, MI, United States
- Department of Biostatistics, University of Michigan, Ann Arbor, MI, United States
| | - J. Michelle Kahlenberg
- Division of Rheumatology, Department of Internal Medicine, University of Michigan, Ann Arbor, MI, United States
- Department of Dermatology, University of Michigan, Ann Arbor, MI, United States
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12
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Oh J, Cho JY, Kim D. Hyptis obtusiflora C. Presl ex Benth Methanolic Extract Exhibits Anti-Inflammatory and Anti-Gastritis Activities via Suppressing AKT/NF-κB Pathway. PLANTS (BASEL, SWITZERLAND) 2023; 12:1146. [PMID: 36904006 PMCID: PMC10005599 DOI: 10.3390/plants12051146] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 02/19/2023] [Accepted: 03/01/2023] [Indexed: 06/18/2023]
Abstract
Inflammation is an indispensable part of the human body's self-defense mechanism against external stimuli. The interactions between Toll-like receptors and microbial components trigger the innate immune system via NF-κB signaling, which regulates the overall cell signaling including inflammatory responses and immune modulations. The anti-inflammatory effects of Hyptis obtusiflora C. Presl ex Benth, which has been used as a home remedy for gastrointestinal disorders and skin disease in rural areas of Latin America, have not yet been studied. Here, we investigate the medicinal properties of Hyptis obtusiflora C. Presl ex Benth methanol extract (Ho-ME) for inflammatory response suppression. Nitric oxide secretion in RAW264.7 cells triggered by TLR2, 3, or 4 agonists was reduced by Ho-ME. Reduction of inducible nitric oxide synthase (iNOS), cyclooxygenase (COX)-2, and interleukin (IL)-1b mRNA expression was observed. Decreased transcriptional activity in TRIF- and MyD88-overexpressing HEK293T cells was detected with a luciferase assay. Additionally, serially downregulated phosphorylation of kinase in the NF-κB pathway by Ho-ME was discovered in lipopolysaccharide-treated RAW264.7 cells. Together with the overexpression of its constructs, AKT was identified as a target protein of Ho-ME, and its binding domains were reaffirmed. Moreover, Ho-ME exerted gastroprotective effects in an acute gastritis mouse model generated by the administration of HCl and EtOH. In conclusion, Ho-ME downregulates inflammation via AKT targeting in the NF-κB pathway, and the combined results support Hyptis obtusiflora as a new candidate anti-inflammatory drug.
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Affiliation(s)
- Jieun Oh
- Department of Integrative Biotechnology, Biomedical Institute for Convergence at SKKU (BICS), Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Jae Youl Cho
- Department of Integrative Biotechnology, Biomedical Institute for Convergence at SKKU (BICS), Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Daewon Kim
- Laboratory of Bio-Informatics, Department of Multimedia Engineering, Dankook University, Yongin 16890, Republic of Korea
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13
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Harder JW, Ma J, Alard P, Sokoloski KJ, Mathiowitz E, Furtado S, Egilmez NK, Kosiewicz MM. Male microbiota-associated metabolite restores macrophage efferocytosis in female lupus-prone mice via activation of PPARγ/LXR signaling pathways. J Leukoc Biol 2023; 113:41-57. [PMID: 36822162 DOI: 10.1093/jleuko/qiac002] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2021] [Indexed: 01/11/2023] Open
Abstract
Systemic lupus erythematosus development is influenced by both sex and the gut microbiota. Metabolite production is a major mechanism by which the gut microbiota influences the immune system, and we have previously found differences in the fecal metabolomic profiles of lupus-prone female and lupus-resistant male BWF1 mice. Here we determine how sex and microbiota metabolite production may interact to affect lupus. Transcriptomic analysis of female and male splenocytes showed genes that promote phagocytosis were upregulated in BWF1 male mice. Because patients with systemic lupus erythematosus exhibit defects in macrophage-mediated phagocytosis of apoptotic cells (efferocytosis), we compared splenic macrophage efferocytosis in vitro between female and male BWF1 mice. Macrophage efferocytosis was deficient in female compared to male BWF1 mice but could be restored by feeding male microbiota. Further transcriptomic analysis of the genes upregulated in male BWF1 mice revealed enrichment of genes stimulated by PPARγ and LXR signaling. Our previous fecal metabolomics analyses identified metabolites in male BWF1 mice that can activate PPARγ and LXR signaling and identified one in particular, phytanic acid, that is a very potent agonist. We show here that treatment of female BWF1 splenic macrophages with phytanic acid restores efferocytic activity via activation of the PPARγ and LXR signaling pathways. Furthermore, we found phytanic acid may restore female BWF1 macrophage efferocytosis through upregulation of the proefferocytic gene CD36. Taken together, our data indicate that metabolites produced by BWF1 male microbiota can enhance macrophage efferocytosis and, through this mechanism, could potentially influence lupus progression.
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Affiliation(s)
- James W Harder
- Department of Microbiology and Immunology, University of Louisville, 505 South Hancock St, Rm 609, Louisville, KY 40202, USA
| | - Jing Ma
- Department of Microbiology and Immunology, University of Louisville, 505 South Hancock St, Rm 609, Louisville, KY 40202, USA
| | - Pascale Alard
- Department of Microbiology and Immunology, University of Louisville, 505 South Hancock St, Rm 609, Louisville, KY 40202, USA
| | - Kevin J Sokoloski
- Department of Microbiology and Immunology, University of Louisville, 505 South Hancock St, Rm 609, Louisville, KY 40202, USA
| | - Edith Mathiowitz
- Department of Medical Science and Engineering, Brown University, 222 Richmond Street, Providence, RI 02903, USA
| | - Stacia Furtado
- Department of Medical Science and Engineering, Brown University, 222 Richmond Street, Providence, RI 02903, USA
| | - Nejat K Egilmez
- Department of Microbiology and Immunology, University of Louisville, 505 South Hancock St, Rm 609, Louisville, KY 40202, USA
| | - Michele M Kosiewicz
- Department of Microbiology and Immunology, University of Louisville, 505 South Hancock St, Rm 609, Louisville, KY 40202, USA
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14
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Rani A, Toor D. Plausible Role of NLRP3 Inflammasome and Associated Cytokines in Pathogenesis of Rheumatic Heart Disease. Crit Rev Immunol 2023; 43:1-14. [PMID: 37824373 DOI: 10.1615/critrevimmunol.2023049463] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2023]
Abstract
Rheumatic heart disease (RHD) is a post-streptococcal sequela caused by Streptococcus pyogenes. The global burden of disease is high among people with low socio-economic status, with significant cases emerging every year despite global eradication efforts. The current treatment includes antibiotic therapies to target strep throat and rheumatic fever and valve replacement strategies as a corrective measure for chronic RHD patients. Valvular damage and valve calcification are considered to be the end-stage processes of the disease resulting from impairment of the endothelial arrangement due to immune infiltration. This immune infiltration is mediated by a cascade of events involving NLRP3 inflammasome activation. NLRP3 inflammasome is activated by wide range of stimuli including bacterial cell wall components like M proteins and leukocidal toxins like nicotinamide dehydrogenase (NADase) and streptolysin O (SLO) and these play a major role in sustaining the virulence of Streptococcus pyogenes and progression of RHD. In this review, we are discussing NLRP3 inflammasome and its plausible role in the pathogenesis of RHD by exploiting the host-pathogen interaction mainly focusing on the NLRP3 inflammasome-mediated cytokines IL-1β and IL-18. Different therapeutic approaches involving NLRP3 inflammasome inactivation, caspase-1 inhibition, and blockade of IL-1β and IL-18 are discussed in this review and may be promising for treating RHD patients.
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Affiliation(s)
- Aishwarya Rani
- Amity Institute of Virology and Immunology, Amity University Uttar Pradesh, Sector-125, Noida, 201313, Uttar Pradesh, India
| | - Devinder Toor
- Amity Institute of Virology and Immunology, Amity University Uttar Pradesh, Sector-125, Noida, 201313, Uttar Pradesh, India
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15
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Sylvester PA, Corbett JA, Tarakanova VL. T cell-extrinsic IL-1 signaling controls long-term gammaherpesvirus infection by suppressing viral reactivation. Virology 2022; 576:134-140. [PMID: 36244319 PMCID: PMC10069094 DOI: 10.1016/j.virol.2022.09.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Revised: 08/31/2022] [Accepted: 09/14/2022] [Indexed: 02/02/2023]
Abstract
Gammaherpesviruses establish life-long infection in over 95% of adults and are associated with several cancers, including B cell lymphomas. Using the murine gammaherpesvirus 68 (MHV68) animal model, we previously showed a pro-viral role of Interleukin-1 (IL-1) signaling that supported viral reactivation during the establishment of chronic infection. Unexpectedly, in this study we found that the proviral effects of IL-1 signaling originally observed during the establishment of chronic gammaherpesvirus infection convert to antiviral effects during the long-term stage of infection. Specifically, IL-1 signaling promoted expansion of antiviral CD8+ T cells and control of viral reactivation in the peritoneal cavity of a long-term infected host. Using a novel mouse model of T cell-specific IL-1 signaling deficiency, we found that the antiviral effects of IL-1 signaling were T cell extrinsic. Our study highlights a dynamic nature of host factors that shape the parameters of chronic gammaherpesvirus infection.
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Affiliation(s)
- P A Sylvester
- Department of Microbiology and Immunology, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI, 53226, USA
| | - J A Corbett
- Department of Biochemistry, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI, 53226, USA
| | - V L Tarakanova
- Department of Microbiology and Immunology, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI, 53226, USA; Cancer Center, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI, 53226, USA.
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16
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Zhou G, Zhang N, Meng K, Pan F. Interaction between gut microbiota and immune checkpoint inhibitor-related colitis. Front Immunol 2022; 13:1001623. [PMID: 36389768 PMCID: PMC9648670 DOI: 10.3389/fimmu.2022.1001623] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2022] [Accepted: 10/10/2022] [Indexed: 09/23/2023] Open
Abstract
Immune checkpoint inhibitors (ICIs) have become a promising therapeutic strategy for malignant tumors, improving patient prognosis, along with a spectrum of immune-related adverse events (irAEs), including gastrointestinal toxicity, ICI-related colitis (IRC), and diarrhea. The gut microbiota has been suggested as an important regulator in the pathogenesis of IRC, and microbiota modulations like probiotics and fecal microbiota transplantation have been explored to treat the disease. This review discusses the interaction between the gut microbiota and IRC, focusing on the potential pathogenic mechanisms and promising interventions.
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Affiliation(s)
- Guanzhou Zhou
- Department of Gastroenterology and Hepatology, The First Medical Center, Chinese PLA General Hospital, Beijing, China
- School of Medicine, Nankai University, Tianjin, China
| | - Nana Zhang
- Department of Gastroenterology and Hepatology, The First Medical Center, Chinese PLA General Hospital, Beijing, China
- Medical School of Chinese PLA, Beijing, China
| | - Ke Meng
- Department of Gastroenterology and Hepatology, The First Medical Center, Chinese PLA General Hospital, Beijing, China
| | - Fei Pan
- Department of Gastroenterology and Hepatology, The First Medical Center, Chinese PLA General Hospital, Beijing, China
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17
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Wherry TLT, Dassanayake RP, Bannantine JP, Mooyottu S, Stabel JR. Vitamin D3 alters macrophage phenotype and endosomal trafficking markers in dairy cattle naturally infected with Mycobacterium avium subsp. paratuberculosis. Front Cell Infect Microbiol 2022; 12:1021657. [PMID: 36275033 PMCID: PMC9579537 DOI: 10.3389/fcimb.2022.1021657] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Accepted: 09/20/2022] [Indexed: 11/22/2022] Open
Abstract
Macrophages are important host defense cells in ruminant paratuberculosis (Johne’s Disease; JD), a chronic enteritis caused by Mycobacterium avium subsp. paratuberculosis (MAP). Classical macrophage functions of pathogen trafficking, degradation, and antigen presentation are interrupted in mycobacterial infection. Immunologic stimulation by 25-hydroxyvitamin D3 (25(OH)D3) and 1,25-dihydroxyvitamin D3 (1,25(OH)2D3) enhances bovine macrophage function. The present study aimed to investigate the role of vitamin D3 on macrophage phenotype and endosomal trafficking of MAP in monocyte-derived macrophages (MDMs) cultured from JD-, JD+ subclinical, and JD+ clinically infected cattle. MDMs were pre-treated 100 ng/ml 25(OH)D3 or 4 ng/ml 1,25(OH)2D3 and incubated 24 hrs with MAP at 10:1 multiplicity of infection (MOI). In vitro MAP infection upregulated pro-inflammatory (M1) CD80 and downregulated resolution/repair (M2) CD163. Vitamin D3 generally decreased CD80 and increased CD163 expression. Furthermore, early endosomal marker Rab5 was upregulated 140× across all stages of paratuberculosis infection following in vitro MAP infection; however, Rab5 was reduced in MAP-activated MDMs from JD+ subclinical and JD+ clinical cows compared to healthy controls. Rab7 expression decreased in control and clinical cows following MDM infection with MAP. Both forms of vitamin D3 reduced Rab5 expression in infected MDMs from JD- control cows, while 1,25(OH)2D3 decreased Rab7 expression in JD- and JD+ subclinical animals regardless of MAP infection in vitro. Vitamin D3 promoted phagocytosis in MDMs from JD- and JD+ clinical cows treated with either vitamin D3 analog. Results from this study show exogenous vitamin D3 influences macrophage M1/M2 polarization and Rab GTPase expression within MDM culture.
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Affiliation(s)
- Taylor L. T. Wherry
- Infectious Bacterial Diseases, National Animal Disease Center, United States Department of Agriculture - Agricultural Research Service (USDA-ARS), Ames, IA, United States
- Department of Veterinary Pathology, College of Veterinary Medicine, Iowa State University, Ames, IA, United States
| | - Rohana P. Dassanayake
- Ruminant Diseases and Immunology, National Animal Disease Center, United States Department of Agriculture - Agricultural Research Service (USDA-ARS), Ames, IA, United States
| | - John P. Bannantine
- Infectious Bacterial Diseases, National Animal Disease Center, United States Department of Agriculture - Agricultural Research Service (USDA-ARS), Ames, IA, United States
| | - Shankumar Mooyottu
- Department of Veterinary Pathology, College of Veterinary Medicine, Iowa State University, Ames, IA, United States
| | - Judith R. Stabel
- Infectious Bacterial Diseases, National Animal Disease Center, United States Department of Agriculture - Agricultural Research Service (USDA-ARS), Ames, IA, United States
- *Correspondence: Judith R. Stabel,
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18
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Hu K, Liu H, Lawson ND, Zhu LJ. scATACpipe: A nextflow pipeline for comprehensive and reproducible analyses of single cell ATAC-seq data. Front Cell Dev Biol 2022; 10:981859. [PMID: 36238687 PMCID: PMC9551270 DOI: 10.3389/fcell.2022.981859] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Accepted: 09/12/2022] [Indexed: 11/13/2022] Open
Abstract
Single cell ATAC-seq (scATAC-seq) has become the most widely used method for profiling open chromatin landscape of heterogeneous cell populations at a single-cell resolution. Although numerous software tools and pipelines have been developed, an easy-to-use, scalable, reproducible, and comprehensive pipeline for scATAC-seq data analyses is still lacking. To fill this gap, we developed scATACpipe, a Nextflow pipeline, for performing comprehensive analyses of scATAC-seq data including extensive quality assessment, preprocessing, dimension reduction, clustering, peak calling, differential accessibility inference, integration with scRNA-seq data, transcription factor activity and footprinting analysis, co-accessibility inference, and cell trajectory prediction. scATACpipe enables users to perform the end-to-end analysis of scATAC-seq data with three sub-workflow options for preprocessing that leverage 10x Genomics Cell Ranger ATAC software, the ultra-fast Chromap procedures, and a set of custom scripts implementing current best practices for scATAC-seq data preprocessing. The pipeline extends the R package ArchR for downstream analysis with added support to any eukaryotic species with an annotated reference genome. Importantly, scATACpipe generates an all-in-one HTML report for the entire analysis and outputs cluster-specific BAM, BED, and BigWig files for visualization in a genome browser. scATACpipe eliminates the need for users to chain different tools together and facilitates reproducible and comprehensive analyses of scATAC-seq data from raw reads to various biological insights with minimal changes of configuration settings for different computing environments or species. By applying it to public datasets, we illustrated the utility, flexibility, versatility, and reliability of our pipeline, and demonstrated that our scATACpipe outperforms other workflows.
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Affiliation(s)
- Kai Hu
- Department of Molecular, Cell and Cancer Biology, University of Massachusetts Chan Medical School, Worcester, MA, United States
| | - Haibo Liu
- Department of Molecular, Cell and Cancer Biology, University of Massachusetts Chan Medical School, Worcester, MA, United States
| | - Nathan D. Lawson
- Department of Molecular, Cell and Cancer Biology, University of Massachusetts Chan Medical School, Worcester, MA, United States
| | - Lihua Julie Zhu
- Department of Molecular, Cell and Cancer Biology, University of Massachusetts Chan Medical School, Worcester, MA, United States
- Program in Molecular Medicine, Program in Bioinformatics and Integrative Biology, University of Massachusetts Chan Medical School, Worcester, MA, United States
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19
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Pelletier AN, Sekaly RP, Tomalka JA. Translating known drivers of COVID-19 disease severity to design better SARS-CoV-2 vaccines. Curr Opin Virol 2022; 52:89-101. [PMID: 34902803 PMCID: PMC8664555 DOI: 10.1016/j.coviro.2021.11.012] [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: 08/09/2021] [Revised: 11/05/2021] [Accepted: 11/19/2021] [Indexed: 01/17/2023]
Abstract
The SARS-CoV-2 pandemic has highlighted how an emergent disease can spread globally and how vaccines are once again the most important public health policy to combat infectious disease. Despite promising initial protection, the rise of new viral variants calls into question how effective current SARS-CoV-2 vaccines will be moving forward. Improving on vaccine platforms represents an opportunity to stay ahead of SARS-CoV-2 and keep the human population protected. Many researchers focus on modifying delivery platforms or altering the antigen(s) presented to improve the efficacy of the vaccines. Identifying mechanisms of natural immunity that result in the control of infection and prevent poor clinical outcomes provides an alternative approach to the development of efficacious vaccines. Early and current evidence shows that SARS-CoV-2 infection is marked by potent lung inflammation and relatively diminished antiviral signaling which leads to impaired immune recognition and viral clearance, essentially making SARS-CoV-2 'too hot to handle'.
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Affiliation(s)
| | - Rafick P Sekaly
- Pathology Advanced Translational Research Unit, Department of Pathology and Laboratory Medicine, Emory University School of Medicine, Atlanta, GA, USA,Emory Vaccine Center, Emory University School of Medicine, Atlanta, GA, USA
| | - Jeffrey A Tomalka
- Pathology Advanced Translational Research Unit, Department of Pathology and Laboratory Medicine, Emory University School of Medicine, Atlanta, GA, USA,Emory Vaccine Center, Emory University School of Medicine, Atlanta, GA, USA
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20
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Wang R, Bao W, Pal M, Liu Y, Yazdanbakhsh K, Zhong H. Intermediate monocytes induced by IFN-γ inhibit cancer metastasis by promoting NK cell activation through FOXO1 and interleukin-27. J Immunother Cancer 2022; 10:jitc-2021-003539. [PMID: 35091454 PMCID: PMC8804695 DOI: 10.1136/jitc-2021-003539] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/15/2021] [Indexed: 11/05/2022] Open
Abstract
Background Circulating monocytes are functionally heterogeneous and can be divided into classical (CMo), intermediate (IMo), and non-CMo/patrolling monocyte (PMo) subsets. CMo can differentiate into PMo through IMo. PMos have been shown to inhibit cancer metastasis but the role of IMo is unclear. To date, no strategy has been developed to inhibit cancer metastasis through enhancing PMo/IMo differentiation. Methods We screened multiple inflammatory cytokines/chemokines activity of modulating PMo/IMo associated cell markers expression using human monocyte in vitro culture system. We tested our candidate cytokine activity in vivo using multiple mice models. We identified critical key factors and cytokines for our candidate cytokine activity by using gene-knockout mice and neutralization antibodies. Results We identified IFN-γ as a candidate inflammatory cytokine in the regulation of human IMo/PMo marker expression. Our in vivo data demonstrated that IMo expansion was induced by short-term (3 days) IFN-γ treatment through increasing CMo-IMo differentiation and blocking IMo-PMo differentiation. The IMo induced by IFN-γ (IFN-IMo), but not IFN-γ activated CMo (IFN-CMo), inhibited cancer metastasis by 90%. Surprizing, the effect of IFN-γ is greater in PMo deficiency mice, indicating the effect of IFN-IMo is not mediated through further differentiation into PMo. We also found that IFN-IMos induced by short-term IFN-γ treatment robustly boosted NK cell expansion for threefold and promoted NK differentiation and function through IL-27 and CXCL9. Furthermore, we identified that FOXO1, a key molecule controlling cellular energy metabolism, mediated the effect of IFN-γ induced IL-27 expression, and that NR4A1, a key molecule controlling PMo differentiation and inhibiting cancer metastasis, inhibited the pro-NK cell and anti-metastasis activity of IFN-IMo by suppressing CXCL9 expression. Conclusions We have discovered the antimetastasis and pro-NK cell activity of IFN-IMo, identified FOXO1 as a key molecule for IFN-γ driven monocyte differentiation and function, and found NR4A1 as an inhibitory molecule for IFN-IMo activity. Our study has not only shown novel mechanisms for a classical antitumor cytokine but also provided potential target for developing superior monocytic cell therapy against cancer metastasis.
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Affiliation(s)
- Rikang Wang
- Laboratory of Immune Regulation, New York Blood Center, New York, New York, USA
- College of Pharmacy, Jiangxi University of Chinese Medicine, Nanchang, Jiangxi, China
| | - Weili Bao
- Laboratory of Complement Biology, New York Blood Center, New York, New York, USA
| | - Mouli Pal
- Laboratory of Complement Biology, New York Blood Center, New York, New York, USA
| | - Yunfeng Liu
- Laboratory of Complement Biology, New York Blood Center, New York, New York, USA
| | - Karina Yazdanbakhsh
- Laboratory of Complement Biology, New York Blood Center, New York, New York, USA
| | - Hui Zhong
- Laboratory of Immune Regulation, New York Blood Center, New York, New York, USA
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21
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Gerhardt T, Haghikia A, Stapmanns P, Leistner DM. Immune Mechanisms of Plaque Instability. Front Cardiovasc Med 2022; 8:797046. [PMID: 35087883 PMCID: PMC8787133 DOI: 10.3389/fcvm.2021.797046] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2021] [Accepted: 12/15/2021] [Indexed: 01/08/2023] Open
Abstract
Inflammation crucially drives atherosclerosis from disease initiation to the emergence of clinical complications. Targeting pivotal inflammatory pathways without compromising the host defense could compliment therapy with lipid-lowering agents, anti-hypertensive treatment, and lifestyle interventions to address the substantial residual cardiovascular risk that remains beyond classical risk factor control. Detailed understanding of the intricate immune mechanisms that propel plaque instability and disruption is indispensable for the development of novel therapeutic concepts. In this review, we provide an overview on the role of key immune cells in plaque inception and progression, and discuss recently identified maladaptive immune phenomena that contribute to plaque destabilization, including epigenetically programmed trained immunity in myeloid cells, pathogenic conversion of autoreactive regulatory T-cells and expansion of altered leukocytes due to clonal hematopoiesis. From a more global perspective, the article discusses how systemic crises such as acute mental stress or infection abruptly raise plaque vulnerability and summarizes recent advances in understanding the increased cardiovascular risk associated with COVID-19 disease. Stepping outside the box, we highlight the role of gut dysbiosis in atherosclerosis progression and plaque vulnerability. The emerging differential role of the immune system in plaque rupture and plaque erosion as well as the limitations of animal models in studying plaque disruption are reviewed.
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Affiliation(s)
- Teresa Gerhardt
- Charité – Universitätsmedizin Berlin, Department of Cardiology, Berlin, Germany
- DZHK (German Centre for Cardiovascular Research), Partner Site Berlin, Berlin, Germany
- Berlin Institute of Health at Charité – Universitätsmedizin Berlin, Berlin, Germany
| | - Arash Haghikia
- Charité – Universitätsmedizin Berlin, Department of Cardiology, Berlin, Germany
- DZHK (German Centre for Cardiovascular Research), Partner Site Berlin, Berlin, Germany
- Berlin Institute of Health at Charité – Universitätsmedizin Berlin, Berlin, Germany
| | - Philip Stapmanns
- Charité – Universitätsmedizin Berlin, Department of Cardiology, Berlin, Germany
| | - David Manuel Leistner
- Charité – Universitätsmedizin Berlin, Department of Cardiology, Berlin, Germany
- DZHK (German Centre for Cardiovascular Research), Partner Site Berlin, Berlin, Germany
- Berlin Institute of Health at Charité – Universitätsmedizin Berlin, Berlin, Germany
- *Correspondence: David Manuel Leistner
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22
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Alberts R, Chan SC, Meng QF, He S, Rao L, Liu X, Zhang Y. Integration and Reanalysis of Four RNA-Seq Datasets Including BALF, Nasopharyngeal Swabs, Lung Biopsy, and Mouse Models Reveals Common Immune Features of COVID-19. Immune Netw 2022; 22:e22. [PMID: 35799708 PMCID: PMC9250867 DOI: 10.4110/in.2022.22.e22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Revised: 04/13/2022] [Accepted: 04/27/2022] [Indexed: 12/01/2022] Open
Affiliation(s)
- Rudi Alberts
- Department of Microbiology and Immunology, NUSMED Immunology Translational Research Programme, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117456, Singapore
- Immunology Programme, Institute of Life Sciences, National University of Singapore, Singapore117456, Singapore
| | - Sze Chun Chan
- Department of Microbiology and Immunology, NUSMED Immunology Translational Research Programme, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117456, Singapore
- Immunology Programme, Institute of Life Sciences, National University of Singapore, Singapore117456, Singapore
| | | | - Shan He
- School of Biological Sciences, Nanyang Technological University, Singapore 639798, Singapore
| | - Lang Rao
- Shengzhen Bay Laboratory, Shenzhen 518132, P. R. China
| | - Xindong Liu
- Institute of Pathology and Southwest Cancer Center, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing 400038, P. R. China
| | - Yongliang Zhang
- Department of Microbiology and Immunology, NUSMED Immunology Translational Research Programme, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117456, Singapore
- Immunology Programme, Institute of Life Sciences, National University of Singapore, Singapore117456, Singapore
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23
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Laurent P, Lapoirie J, Leleu D, Levionnois E, Grenier C, Jurado‐Mestre B, Lazaro E, Duffau P, Richez C, Seneschal J, Pellegrin J, Constans J, Schaeverbeke T, Douchet I, Duluc D, Pradeu T, Chizzolini C, Blanco P, Truchetet M, Contin‐Bordes C. Interleukin‐1‐β‐Activated
Microvascular Endothelial Cells Promote
DC‐SIGN
+ Alternative Macrophages Associated with Skin Fibrosis in Systemic Sclerosis. Arthritis Rheumatol 2021; 74:1013-1026. [DOI: 10.1002/art.42061] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Revised: 10/26/2021] [Accepted: 12/22/2021] [Indexed: 11/08/2022]
Affiliation(s)
- Paôline Laurent
- ImmunoConcEpt Laboratory, CNRS UMR 5164 Bordeaux University F‐33076 Bordeaux France
| | | | - Damien Leleu
- ImmunoConcEpt Laboratory, CNRS UMR 5164 Bordeaux University F‐33076 Bordeaux France
| | - Emeline Levionnois
- ImmunoConcEpt Laboratory, CNRS UMR 5164 Bordeaux University F‐33076 Bordeaux France
| | - Cyrielle Grenier
- ImmunoConcEpt Laboratory, CNRS UMR 5164 Bordeaux University F‐33076 Bordeaux France
| | - Blanca Jurado‐Mestre
- ImmunoConcEpt Laboratory, CNRS UMR 5164 Bordeaux University F‐33076 Bordeaux France
| | - Estibaliz Lazaro
- ImmunoConcEpt Laboratory, CNRS UMR 5164 Bordeaux University F‐33076 Bordeaux France
- University Hospital Centre Bordeaux F‐33000 Bordeaux France
| | - Pierre Duffau
- ImmunoConcEpt Laboratory, CNRS UMR 5164 Bordeaux University F‐33076 Bordeaux France
- University Hospital Centre Bordeaux F‐33000 Bordeaux France
| | - Christophe Richez
- ImmunoConcEpt Laboratory, CNRS UMR 5164 Bordeaux University F‐33076 Bordeaux France
- University Hospital Centre Bordeaux F‐33000 Bordeaux France
| | | | | | - Joel Constans
- University Hospital Centre Bordeaux F‐33000 Bordeaux France
| | | | - Isabelle Douchet
- ImmunoConcEpt Laboratory, CNRS UMR 5164 Bordeaux University F‐33076 Bordeaux France
| | - Dorothée Duluc
- ImmunoConcEpt Laboratory, CNRS UMR 5164 Bordeaux University F‐33076 Bordeaux France
| | - Thomas Pradeu
- ImmunoConcEpt Laboratory, CNRS UMR 5164 Bordeaux University F‐33076 Bordeaux France
| | - Carlo Chizzolini
- Pathology and Immunology, School of Medicine Geneva University Switzerland
| | - Patrick Blanco
- ImmunoConcEpt Laboratory, CNRS UMR 5164 Bordeaux University F‐33076 Bordeaux France
- University Hospital Centre Bordeaux F‐33000 Bordeaux France
| | - Marie‐Elise Truchetet
- ImmunoConcEpt Laboratory, CNRS UMR 5164 Bordeaux University F‐33076 Bordeaux France
- University Hospital Centre Bordeaux F‐33000 Bordeaux France
| | - Cécile Contin‐Bordes
- ImmunoConcEpt Laboratory, CNRS UMR 5164 Bordeaux University F‐33076 Bordeaux France
- University Hospital Centre Bordeaux F‐33000 Bordeaux France
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Subasic CN, Kuilamu E, Cowin G, Minchin RF, Kaminskas LM. The pharmacokinetics of PEGylated liposomal doxorubicin are not significantly affected by sex in rats or humans, but may be affected by immune dysfunction. J Control Release 2021; 337:71-80. [PMID: 34245788 DOI: 10.1016/j.jconrel.2021.07.006] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2021] [Revised: 07/01/2021] [Accepted: 07/03/2021] [Indexed: 10/20/2022]
Abstract
PEGylated liposomal doxorubicin (PLD, Caelyx®, Doxil®) has been suggested to show significant sex-based differences in plasma clearance, as well as high inter-individual variability that may be driven by monocyte counts in cancer patients. This study aimed to establish if these differences are similarly observed in rats, which exhibit similar liposome clearance mechanisms to humans, and to use this model to identify sources of inter-individual and sex-based pharmacokinetic variability. The plasma and lymphatic pharmacokinetics of PLD were evaluated in male and female rats by quantifying doxorubicin as well as the 3H-labelled liposome. In general, the pharmacokinetics of doxorubicin and the 3H-liposome did not differ significantly between male and female rats when corrected for body surface area. Female rats did, however, show significantly higher doxorubicin concentrations in lymph compared to male rats. With the exception of serum testosterone concentrations in males, none of the physiological parameters evaluated correlated with plasma clearance. Further, reanalysis of published human data that formerly reported sex-differences in PLD plasma clearance similarly revealed no significant differences in PLD plasma clearance between males and females with solid tumours, but increased plasma clearance in patients with Kaposi's sarcoma (generally HIV+/immunocompromised). These data suggest that with the exception of lymphatic exposure, there are unlikely to be significant sex effects in the pharmacokinetics of liposomes, but immune function may contribute to inter individual variability.
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Affiliation(s)
- Christopher N Subasic
- School of Biomedical Sciences, University of Queensland, St Lucia, QLD 4072, Australia
| | - Esther Kuilamu
- School of Biomedical Sciences, University of Queensland, St Lucia, QLD 4072, Australia
| | - Gary Cowin
- National Imaging Facility, Centre for Advanced Imaging, University of Queensland, St Lucia, QLD 4072, Australia
| | - Rodney F Minchin
- School of Biomedical Sciences, University of Queensland, St Lucia, QLD 4072, Australia
| | - Lisa M Kaminskas
- School of Biomedical Sciences, University of Queensland, St Lucia, QLD 4072, Australia.
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25
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Mariottoni P, Jiang SW, Prestwood CA, Jain V, Suwanpradid J, Whitley MJ, Coates M, Brown DA, Erdmann D, Corcoran DL, Gregory SG, Jaleel T, Zhang JY, Harris-Tryon TA, MacLeod AS. Single-Cell RNA Sequencing Reveals Cellular and Transcriptional Changes Associated With M1 Macrophage Polarization in Hidradenitis Suppurativa. Front Med (Lausanne) 2021; 8:665873. [PMID: 34504848 PMCID: PMC8421606 DOI: 10.3389/fmed.2021.665873] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Accepted: 07/16/2021] [Indexed: 01/13/2023] Open
Abstract
Hidradenitis suppurativa (HS) is a chronic inflammatory skin disease characterized by recurrent abscesses, nodules, and sinus tracts in areas of high hair follicle and sweat gland density. These sinus tracts can present with purulent drainage and scar formation. Dysregulation of multiple immune pathways drives the complexity of HS pathogenesis and may account for the heterogeneity of treatment response in HS patients. Using transcriptomic approaches, including single-cell sequencing and protein analysis, we here characterize the innate inflammatory landscape of HS lesions. We identified a shared upregulation of genes involved in interferon (IFN) and antimicrobial defense signaling through transcriptomic overlap analysis of differentially expressed genes (DEGs) in datasets from HS skin, diabetic foot ulcers (DFUs), and the inflammatory stage of normal healing wounds. Overlap analysis between HS- and DFU-specific DEGs revealed an enrichment of gene signatures associated with monocyte/macrophage functions. Single-cell RNA sequencing further revealed monocytes/macrophages with polarization toward a pro-inflammatory M1-like phenotype and increased effector function, including antiviral immunity, phagocytosis, respiratory burst, and antibody-dependent cellular cytotoxicity. Specifically, we identified the STAT1/IFN-signaling axis and the associated IFN-stimulated genes as central players in monocyte/macrophage dysregulation. Our data indicate that monocytes/macrophages are a potential pivotal player in HS pathogenesis and their pathways may serve as therapeutic targets and biomarkers in HS treatment.
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Affiliation(s)
- Paula Mariottoni
- Department of Dermatology, School of Medicine, Duke University, Durham, NC, United States
| | - Simon W. Jiang
- Department of Dermatology, School of Medicine, Duke University, Durham, NC, United States
| | - Courtney A. Prestwood
- Department of Dermatology, University of Texas Southwestern Medical Center, Dallas, TX, United States
| | - Vaibhav Jain
- Duke Molecular Physiology Institute, Duke University, Durham, NC, United States
| | - Jutamas Suwanpradid
- Department of Dermatology, School of Medicine, Duke University, Durham, NC, United States
| | - Melodi Javid Whitley
- Department of Dermatology, School of Medicine, Duke University, Durham, NC, United States
| | - Margaret Coates
- Department of Dermatology, School of Medicine, Duke University, Durham, NC, United States
| | - David A. Brown
- Division of Plastic, Maxillofacial, and Oral Surgery, Duke University Medical Center, Durham, NC, United States
| | - Detlev Erdmann
- Division of Plastic, Maxillofacial, and Oral Surgery, Duke University Medical Center, Durham, NC, United States
| | - David L. Corcoran
- Duke Center for Genomic and Computational Biology, Duke University, Durham, NC, United States
| | - Simon G. Gregory
- Duke Molecular Physiology Institute, Duke University, Durham, NC, United States
- Department of Neurology, Duke University School of Medicine, Durham, NC, United States
| | - Tarannum Jaleel
- Department of Dermatology, School of Medicine, Duke University, Durham, NC, United States
| | - Jennifer Y. Zhang
- Department of Dermatology, School of Medicine, Duke University, Durham, NC, United States
| | - Tamia A. Harris-Tryon
- Department of Dermatology, University of Texas Southwestern Medical Center, Dallas, TX, United States
- Department of Immunology, University of Texas Southwestern Medical Center, Dallas, TX, United States
| | - Amanda S. MacLeod
- Department of Dermatology, School of Medicine, Duke University, Durham, NC, United States
- Department of Immunology, Duke University, Durham, NC, United States
- Department of Molecular Genetics and Microbiology, Duke University, Durham, NC, United States
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26
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Bulati M, Busà R, Carcione C, Iannolo G, Di Mento G, Cuscino N, Di Gesù R, Piccionello AP, Buscemi S, Carreca AP, Barbera F, Monaco F, Cardinale F, Conaldi PG, Douradinha B. Klebsiella pneumoniae Lipopolysaccharides Serotype O2afg Induce Poor Inflammatory Immune Responses Ex Vivo. Microorganisms 2021; 9:microorganisms9061317. [PMID: 34204279 PMCID: PMC8234205 DOI: 10.3390/microorganisms9061317] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2021] [Revised: 06/12/2021] [Accepted: 06/15/2021] [Indexed: 01/05/2023] Open
Abstract
Currently, Klebsiella pneumoniae is a pathogen of clinical relevance due to its plastic ability of acquiring resistance genes to multiple antibiotics. During K. pneumoniae infections, lipopolysaccharides (LPS) play an ambiguous role as they both activate immune responses but can also play a role in immune evasion. The LPS O2a and LPS O2afg serotypes are prevalent in most multidrug resistant K. pneumoniae strains. Thus, we sought to understand if those two particular LPS serotypes were involved in a mechanism of immune evasion. We have extracted LPS (serotypes O1, O2a and O2afg) from K. pneumoniae strains and, using human monocytes ex vivo, we assessed the ability of those LPS antigens to induce the production of pro-inflammatory cytokines and chemokines. We observed that, when human monocytes are incubated with LPS serotypes O1, O2a or O2afg strains, O2afg and, to a lesser extent, O2a but not O1 failed to elicit the production of pro-inflammatory cytokines and chemokines, which suggests a role in immune evasion. Our preliminary data also shows that nuclear translocation of NF-κB, a process which regulates an immune response against infections, occurs in monocytes incubated with LPS O1 and, to a smaller extent, with LPS O2a, but not with the LPS serotype O2afg. Our results indicate that multidrug resistant K. pneumoniae expressing LPS O2afg serotypes avoid an initial inflammatory immune response and, consequently, are able to systematically spread inside the host unharmed, which results in the several pathologies associated with this bacterium.
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Affiliation(s)
- Matteo Bulati
- Istituto di Ricovero e Cura a Carattere Scientifico-Istituto Mediterraneo per i Trapianti e Terapie ad Alta, Specializzazione (IRCCS-ISMETT), 90127 Palermo, Italy; (M.B.); (R.B.); (G.I.); (G.D.M.); (N.C.); (F.B.); (F.M.); (F.C.); (P.G.C.)
| | - Rosalia Busà
- Istituto di Ricovero e Cura a Carattere Scientifico-Istituto Mediterraneo per i Trapianti e Terapie ad Alta, Specializzazione (IRCCS-ISMETT), 90127 Palermo, Italy; (M.B.); (R.B.); (G.I.); (G.D.M.); (N.C.); (F.B.); (F.M.); (F.C.); (P.G.C.)
| | - Claudia Carcione
- Fondazione Ri.MED, 90133 Palermo, Italy; (C.C.); (R.D.G.); (A.P.C.)
| | - Gioacchin Iannolo
- Istituto di Ricovero e Cura a Carattere Scientifico-Istituto Mediterraneo per i Trapianti e Terapie ad Alta, Specializzazione (IRCCS-ISMETT), 90127 Palermo, Italy; (M.B.); (R.B.); (G.I.); (G.D.M.); (N.C.); (F.B.); (F.M.); (F.C.); (P.G.C.)
| | - Giuseppina Di Mento
- Istituto di Ricovero e Cura a Carattere Scientifico-Istituto Mediterraneo per i Trapianti e Terapie ad Alta, Specializzazione (IRCCS-ISMETT), 90127 Palermo, Italy; (M.B.); (R.B.); (G.I.); (G.D.M.); (N.C.); (F.B.); (F.M.); (F.C.); (P.G.C.)
| | - Nicola Cuscino
- Istituto di Ricovero e Cura a Carattere Scientifico-Istituto Mediterraneo per i Trapianti e Terapie ad Alta, Specializzazione (IRCCS-ISMETT), 90127 Palermo, Italy; (M.B.); (R.B.); (G.I.); (G.D.M.); (N.C.); (F.B.); (F.M.); (F.C.); (P.G.C.)
| | - Roberto Di Gesù
- Fondazione Ri.MED, 90133 Palermo, Italy; (C.C.); (R.D.G.); (A.P.C.)
| | - Antonio Palumbo Piccionello
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies-STEBICEF, University of Palermo, 90133 Palermo, Italy; (A.P.P.); (S.B.)
| | - Silvestre Buscemi
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies-STEBICEF, University of Palermo, 90133 Palermo, Italy; (A.P.P.); (S.B.)
| | | | - Floriana Barbera
- Istituto di Ricovero e Cura a Carattere Scientifico-Istituto Mediterraneo per i Trapianti e Terapie ad Alta, Specializzazione (IRCCS-ISMETT), 90127 Palermo, Italy; (M.B.); (R.B.); (G.I.); (G.D.M.); (N.C.); (F.B.); (F.M.); (F.C.); (P.G.C.)
| | - Francesco Monaco
- Istituto di Ricovero e Cura a Carattere Scientifico-Istituto Mediterraneo per i Trapianti e Terapie ad Alta, Specializzazione (IRCCS-ISMETT), 90127 Palermo, Italy; (M.B.); (R.B.); (G.I.); (G.D.M.); (N.C.); (F.B.); (F.M.); (F.C.); (P.G.C.)
| | - Francesca Cardinale
- Istituto di Ricovero e Cura a Carattere Scientifico-Istituto Mediterraneo per i Trapianti e Terapie ad Alta, Specializzazione (IRCCS-ISMETT), 90127 Palermo, Italy; (M.B.); (R.B.); (G.I.); (G.D.M.); (N.C.); (F.B.); (F.M.); (F.C.); (P.G.C.)
| | - Pier Giulio Conaldi
- Istituto di Ricovero e Cura a Carattere Scientifico-Istituto Mediterraneo per i Trapianti e Terapie ad Alta, Specializzazione (IRCCS-ISMETT), 90127 Palermo, Italy; (M.B.); (R.B.); (G.I.); (G.D.M.); (N.C.); (F.B.); (F.M.); (F.C.); (P.G.C.)
| | - Bruno Douradinha
- Istituto di Ricovero e Cura a Carattere Scientifico-Istituto Mediterraneo per i Trapianti e Terapie ad Alta, Specializzazione (IRCCS-ISMETT), 90127 Palermo, Italy; (M.B.); (R.B.); (G.I.); (G.D.M.); (N.C.); (F.B.); (F.M.); (F.C.); (P.G.C.)
- Fondazione Ri.MED, 90133 Palermo, Italy; (C.C.); (R.D.G.); (A.P.C.)
- Correspondence: ; Tel.: +39-091-2192649; Fax: +39-091-2192423
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Abstract
The development of tumors requires an initiator event, usually exposure to DNA damaging agents that cause genetic alterations such as gene mutations or chromosomal abnormalities, leading to deregulated cell proliferation. Although the mere stochastic accumulation of further mutations may cause tumor progression, it is now clear that an inflammatory microenvironment has a major tumor-promoting influence on initiated cells, in particular when a chronic inflammatory reaction already existed before the initiated tumor cell was formed. Moreover, inflammatory cells become mobilized in response to signals emanating from tumor cells. In both cases, the microenvironment provides signals that initiated tumor cells perceive by membrane receptors and transduce via downstream kinase cascades to modulate multiple cellular processes and respond with changes in cell gene expression, metabolism, and morphology. Cytokines, chemokines, and growth factors are examples of major signals secreted by immune cells, fibroblast, and endothelial cells and mediate an intricate cell-cell crosstalk in an inflammatory microenvironment, which contributes to increased cancer cell survival, phenotypic plasticity and adaptation to surrounding tissue conditions. Eventually, consequent changes in extracellular matrix stiffness and architecture, coupled with additional genetic alterations, further fortify the malignant progression of tumor cells, priming them for invasion and metastasis. Here, we provide an overview of the current knowledge on the composition of the inflammatory tumor microenvironment, with an emphasis on the major signals and signal-transducing events mediating different aspects of stromal cell-tumor cell communication that ultimately lead to malignant progression.
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28
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Smith K, Kleynhans L, Warren RM, Goosen WJ, Miller MA. Cell-Mediated Immunological Biomarkers and Their Diagnostic Application in Livestock and Wildlife Infected With Mycobacterium bovis. Front Immunol 2021; 12:639605. [PMID: 33746980 PMCID: PMC7969648 DOI: 10.3389/fimmu.2021.639605] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Accepted: 02/08/2021] [Indexed: 01/06/2023] Open
Abstract
Mycobacterium bovis has the largest host range of the Mycobacterium tuberculosis complex and infects domestic animal species, wildlife, and humans. The presence of global wildlife maintenance hosts complicates bovine tuberculosis (bTB) control efforts and further threatens livestock and wildlife-related industries. Thus, it is imperative that early and accurate detection of M. bovis in all affected animal species is achieved. Further, an improved understanding of the complex species-specific host immune responses to M. bovis could enable the development of diagnostic tests that not only identify infected animals but distinguish between infection and active disease. The primary bTB screening standard worldwide remains the tuberculin skin test (TST) that presents several test performance and logistical limitations. Hence additional tests are used, most commonly an interferon-gamma (IFN-γ) release assay (IGRA) that, similar to the TST, measures a cell-mediated immune (CMI) response to M. bovis. There are various cytokines and chemokines, in addition to IFN-γ, involved in the CMI component of host adaptive immunity. Due to the dominance of CMI-based responses to mycobacterial infection, cytokine and chemokine biomarkers have become a focus for diagnostic tests in livestock and wildlife. Therefore, this review describes the current understanding of host immune responses to M. bovis as it pertains to the development of diagnostic tools using CMI-based biomarkers in both gene expression and protein release assays, and their limitations. Although the study of CMI biomarkers has advanced fundamental understanding of the complex host-M. bovis interplay and bTB progression, resulting in development of several promising diagnostic assays, most of this research remains limited to cattle. Considering differences in host susceptibility, transmission and immune responses, and the wide variety of M. bovis-affected animal species, knowledge gaps continue to pose some of the biggest challenges to the improvement of M. bovis and bTB diagnosis.
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Affiliation(s)
- Katrin Smith
- Division of Molecular Biology and Human Genetics, Department of Science and Innovation-National Research Foundation Centre of Excellence for Biomedical Tuberculosis Research, Faculty of Medicine and Health Sciences, South African Medical Research Council Centre for Tuberculosis Research, Stellenbosch University, Cape Town, South Africa
| | - Léanie Kleynhans
- Division of Molecular Biology and Human Genetics, Department of Science and Innovation-National Research Foundation Centre of Excellence for Biomedical Tuberculosis Research, Faculty of Medicine and Health Sciences, South African Medical Research Council Centre for Tuberculosis Research, Stellenbosch University, Cape Town, South Africa
| | - Robin M Warren
- Division of Molecular Biology and Human Genetics, Department of Science and Innovation-National Research Foundation Centre of Excellence for Biomedical Tuberculosis Research, Faculty of Medicine and Health Sciences, South African Medical Research Council Centre for Tuberculosis Research, Stellenbosch University, Cape Town, South Africa
| | - Wynand J Goosen
- Division of Molecular Biology and Human Genetics, Department of Science and Innovation-National Research Foundation Centre of Excellence for Biomedical Tuberculosis Research, Faculty of Medicine and Health Sciences, South African Medical Research Council Centre for Tuberculosis Research, Stellenbosch University, Cape Town, South Africa
| | - Michele A Miller
- Division of Molecular Biology and Human Genetics, Department of Science and Innovation-National Research Foundation Centre of Excellence for Biomedical Tuberculosis Research, Faculty of Medicine and Health Sciences, South African Medical Research Council Centre for Tuberculosis Research, Stellenbosch University, Cape Town, South Africa
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Mohamed H, Clemen R, Freund E, Lackmann JW, Wende K, Connors J, Haddad EK, Dampier W, Wigdahl B, Miller V, Bekeschus S, Krebs FC. Non-thermal plasma modulates cellular markers associated with immunogenicity in a model of latent HIV-1 infection. PLoS One 2021; 16:e0247125. [PMID: 33647028 PMCID: PMC7920340 DOI: 10.1371/journal.pone.0247125] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Accepted: 02/02/2021] [Indexed: 12/25/2022] Open
Abstract
Effective control of infection by human immunodeficiency virus type 1 (HIV-1), the causative agent of the acquired immunodeficiency syndrome (AIDS), requires continuous and life-long use of anti-retroviral therapy (ART) by people living with HIV-1 (PLWH). In the absence of ART, HIV-1 reemergence from latently infected cells is ineffectively suppressed due to suboptimal innate and cytotoxic T lymphocyte responses. However, ART-free control of HIV-1 infection may be possible if the inherent immunological deficiencies can be reversed or restored. Herein we present a novel approach for modulating the immune response to HIV-1 that involves the use of non-thermal plasma (NTP), which is an ionized gas containing various reactive oxygen and nitrogen species (RONS). J-Lat cells were used as a model of latent HIV-1 infection to assess the effects of NTP application on viral latency and the expression of pro-phagocytic and pro-chemotactic damage-associated molecular patterns (DAMPs). Exposure of J-Lat cells to NTP resulted in stimulation of HIV-1 gene expression, indicating a role in latency reversal, a necessary first step in inducing adaptive immune responses to viral antigens. This was accompanied by the release of pro-inflammatory cytokines and chemokines including interleukin-1β (IL-1β) and interferon-γ (IFN-γ); the display of pro-phagocytic markers calreticulin (CRT), heat shock proteins (HSP) 70 and 90; and a correlated increase in macrophage phagocytosis of NTP-exposed J-Lat cells. In addition, modulation of surface molecules that promote or inhibit antigen presentation was also observed, along with an altered array of displayed peptides on MHC I, further suggesting methods by which NTP may modify recognition and targeting of cells in latent HIV-1 infection. These studies represent early progress toward an effective NTP-based ex vivo immunotherapy to resolve the dysfunctions of the immune system that enable HIV-1 persistence in PLWH.
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Affiliation(s)
- Hager Mohamed
- Department of Microbiology and Immunology, Institute for Molecular Medicine & Infectious Disease, Drexel University College of Medicine, Philadelphia, Pennsylvania, United States of America
| | - Ramona Clemen
- Centre for Innovation Competence (ZIK) plasmatis, Leibniz Institute for Plasma Science and Technology Greifswald (INP), Greifswald, Germany
| | - Eric Freund
- Centre for Innovation Competence (ZIK) plasmatis, Leibniz Institute for Plasma Science and Technology Greifswald (INP), Greifswald, Germany
| | - Jan-Wilm Lackmann
- Centre for Innovation Competence (ZIK) plasmatis, Leibniz Institute for Plasma Science and Technology Greifswald (INP), Greifswald, Germany.,CECAD proteomics facility, University of Cologne, Cologne, Germany
| | - Kristian Wende
- Centre for Innovation Competence (ZIK) plasmatis, Leibniz Institute for Plasma Science and Technology Greifswald (INP), Greifswald, Germany
| | - Jennifer Connors
- Department of Microbiology and Immunology, Institute for Molecular Medicine & Infectious Disease, Drexel University College of Medicine, Philadelphia, Pennsylvania, United States of America
| | - Elias K Haddad
- Division of Infectious Diseases and HIV Medicine, Drexel University College of Medicine, Philadelphia, Pennsylvania, United States of America
| | - Will Dampier
- Department of Microbiology and Immunology, Institute for Molecular Medicine & Infectious Disease, Drexel University College of Medicine, Philadelphia, Pennsylvania, United States of America
| | - Brian Wigdahl
- Department of Microbiology and Immunology, Institute for Molecular Medicine & Infectious Disease, Drexel University College of Medicine, Philadelphia, Pennsylvania, United States of America
| | - Vandana Miller
- Department of Microbiology and Immunology, Institute for Molecular Medicine & Infectious Disease, Drexel University College of Medicine, Philadelphia, Pennsylvania, United States of America
| | - Sander Bekeschus
- Centre for Innovation Competence (ZIK) plasmatis, Leibniz Institute for Plasma Science and Technology Greifswald (INP), Greifswald, Germany
| | - Fred C Krebs
- Department of Microbiology and Immunology, Institute for Molecular Medicine & Infectious Disease, Drexel University College of Medicine, Philadelphia, Pennsylvania, United States of America
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Kornstädt L, Pierre S, Weigert A, Ebersberger S, Schäufele TJ, Kolbinger A, Schmid T, Cohnen J, Thomas D, Ferreirós N, Brüne B, Ebersberger I, Scholich K. Bacterial and Fungal Toll-Like Receptor Activation Elicits Type I IFN Responses in Mast Cells. Front Immunol 2021; 11:607048. [PMID: 33643293 PMCID: PMC7907501 DOI: 10.3389/fimmu.2020.607048] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2020] [Accepted: 12/29/2020] [Indexed: 01/18/2023] Open
Abstract
Next to their role in IgE-mediated allergic diseases and in promoting inflammation, mast cells also have antiinflammatory functions. They release pro- as well as antiinflammatory mediators, depending on the biological setting. Here we aimed to better understand the role of mast cells during the resolution phase of a local inflammation induced with the Toll-like receptor (TLR)-2 agonist zymosan. Multiple sequential immunohistology combined with a statistical neighborhood analysis showed that mast cells are located in a predominantly antiinflammatory microenvironment during resolution of inflammation and that mast cell-deficiency causes decreased efferocytosis in the resolution phase. Accordingly, FACS analysis showed decreased phagocytosis of zymosan and neutrophils by macrophages in mast cell-deficient mice. mRNA sequencing using zymosan-induced bone marrow-derived mast cells (BMMC) revealed a strong type I interferon (IFN) response, which is known to enhance phagocytosis by macrophages. Both, zymosan and lipopolysaccharides (LPS) induced IFN-β synthesis in BMMCs in similar amounts as in bone marrow derived macrophages. IFN-β was expressed by mast cells in paws from naïve mice and during zymosan-induced inflammation. As described for macrophages the release of type I IFNs from mast cells depended on TLR internalization and endosome acidification. In conclusion, mast cells are able to produce several mediators including IFN-β, which are alone or in combination with each other able to regulate the phagocytotic activity of macrophages during resolution of inflammation.
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Affiliation(s)
- Lisa Kornstädt
- Institute of Clinical Pharmacology, University Hospital Goethe-University Frankfurt, Frankfurt, Germany
| | - Sandra Pierre
- Institute of Clinical Pharmacology, University Hospital Goethe-University Frankfurt, Frankfurt, Germany
| | - Andreas Weigert
- Faculty of Medicine, Institute of Biochemistry I, Goethe-University Frankfurt, Frankfurt, Germany
| | | | - Tim J. Schäufele
- Institute of Clinical Pharmacology, University Hospital Goethe-University Frankfurt, Frankfurt, Germany
| | - Anja Kolbinger
- Institute of Clinical Pharmacology, University Hospital Goethe-University Frankfurt, Frankfurt, Germany
| | - Tobias Schmid
- Faculty of Medicine, Institute of Biochemistry I, Goethe-University Frankfurt, Frankfurt, Germany
| | - Jennifer Cohnen
- Institute of Clinical Pharmacology, University Hospital Goethe-University Frankfurt, Frankfurt, Germany
| | - Dominique Thomas
- Institute of Clinical Pharmacology, University Hospital Goethe-University Frankfurt, Frankfurt, Germany
| | - Nerea Ferreirós
- Institute of Clinical Pharmacology, University Hospital Goethe-University Frankfurt, Frankfurt, Germany
| | - Bernhard Brüne
- Faculty of Medicine, Institute of Biochemistry I, Goethe-University Frankfurt, Frankfurt, Germany
- Project Group Translational Medicine and Pharmacology, Fraunhofer Institute for Molecular Biology and Applied Ecology IME, Frankfurt am Main, Germany
| | - Ingo Ebersberger
- Department for Applied Bioinformatics, Institute for Cell Biology and Neuroscience, Goethe-University Frankfurt, Frankfurt, Germany
- Senckenberg Biodiversity and Climate Research Centre (S-BIKF), Frankfurt am Main, Germany
- LOEWE Centre for Translational Biodiversity Genomics (TBG), Frankfurt am Main, Germany
| | - Klaus Scholich
- Institute of Clinical Pharmacology, University Hospital Goethe-University Frankfurt, Frankfurt, Germany
- Project Group Translational Medicine and Pharmacology, Fraunhofer Institute for Molecular Biology and Applied Ecology IME, Frankfurt am Main, Germany
- Fraunhofer Cluster of Excellence for Immune-Mediated Diseases (CIMD), Frankfurt am Main, Germany
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31
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Ramos GS, Vallejos VMR, Ladeira MS, Reis PG, Souza DM, Machado YA, Ladeira LO, Pinheiro MBV, Melo MN, Fujiwara RT, Frézard F. Antileishmanial activity of fullerol and its liposomal formulation in experimental models of visceral leishmaniasis. Biomed Pharmacother 2021; 134:111120. [PMID: 33341671 DOI: 10.1016/j.biopha.2020.111120] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2020] [Revised: 11/30/2020] [Accepted: 12/04/2020] [Indexed: 11/16/2022] Open
Abstract
Visceral leishmaniasis (VL) is a systemic parasitic disease that leads to high rates of morbidity and mortality in humans worldwide. There is a great need to develop new drugs and novel strategies to make chemotherapy for this disease more efficacious and well tolerated. Recent reports on the immunomodulatory effects and the low toxicity of the spherical carbon nanostructure fullerol led us to investigate in vitro and in vivo antileishmanial activity in free and encapsulated forms in liposomes. When assayed against intramacrophagic Leishmania amastigotes, fullerol showed a dose-dependent reduction of the infection index with IC50 of 0.042 mg/mL. When given daily by i.p. route for 20 days (0.05 mg/kg/d) in a murine model of acute VL, fullerol promoted significant reduction in the liver parasite load. To improve the delivery of fullerol to the infection sites, liposomal formulations were prepared by the dehydration-rehydration method. When evaluated in the acute VL model, liposomal fullerol (Lip-Ful) formulations given i.p. at 0.05 and 0.2 mg/kg with 4-days intervals were more effective than the free form, with significant parasite reductions in both liver and spleen. Lip-Ful at 0.2 mg/kg promoted complete parasite elimination in the liver. The antileishmanial activity of Lip-Ful was further confirmed in a chronic model of VL. Lip-Ful was also found to induce secretion of pro-inflammatory TNF-α, IFN-γ and IL-1β cytokines. In conclusion, this work reports for the first time the antileishmanial activity of fullerol and introduces an innovative approach for treatment of VL based on the association of this nanostructure with liposomes.
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Affiliation(s)
- Guilherme S Ramos
- Departamento de Fisiologia e Biofísica, Instituto de Ciencias Biologicas, Universidade Federal de Minas Gerais, Avenida Antônio Carlos 6627, Pampulha, 31270-901, Belo Horizonte, Minas Gerais, Brazil
| | - Virgínia M R Vallejos
- Departamento de Fisiologia e Biofísica, Instituto de Ciencias Biologicas, Universidade Federal de Minas Gerais, Avenida Antônio Carlos 6627, Pampulha, 31270-901, Belo Horizonte, Minas Gerais, Brazil
| | - Marina S Ladeira
- Departamento de Fisiologia e Biofísica, Instituto de Ciencias Biologicas, Universidade Federal de Minas Gerais, Avenida Antônio Carlos 6627, Pampulha, 31270-901, Belo Horizonte, Minas Gerais, Brazil
| | - Priscila G Reis
- Departamento de Fisiologia e Biofísica, Instituto de Ciencias Biologicas, Universidade Federal de Minas Gerais, Avenida Antônio Carlos 6627, Pampulha, 31270-901, Belo Horizonte, Minas Gerais, Brazil
| | - Daniel M Souza
- Departamento de Parasitologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Avenida Antônio Carlos 6627, Pampulha, 31270-901, Belo Horizonte, Minas Gerais, Brazil
| | - Yuri A Machado
- Departamento de Fisiologia e Biofísica, Instituto de Ciencias Biologicas, Universidade Federal de Minas Gerais, Avenida Antônio Carlos 6627, Pampulha, 31270-901, Belo Horizonte, Minas Gerais, Brazil
| | - Luiz O Ladeira
- Departamento de Física, Instituto de Ciências Exatas, Universidade Federal de Minas Gerais, Avenida Antônio Carlos 6627, Pampulha, 31270-901, Belo Horizonte, Minas Gerais, Brazil
| | - Maurício B V Pinheiro
- Departamento de Física, Instituto de Ciências Exatas, Universidade Federal de Minas Gerais, Avenida Antônio Carlos 6627, Pampulha, 31270-901, Belo Horizonte, Minas Gerais, Brazil
| | - Maria N Melo
- Departamento de Parasitologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Avenida Antônio Carlos 6627, Pampulha, 31270-901, Belo Horizonte, Minas Gerais, Brazil
| | - Ricardo T Fujiwara
- Departamento de Parasitologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Avenida Antônio Carlos 6627, Pampulha, 31270-901, Belo Horizonte, Minas Gerais, Brazil
| | - Frédéric Frézard
- Departamento de Fisiologia e Biofísica, Instituto de Ciencias Biologicas, Universidade Federal de Minas Gerais, Avenida Antônio Carlos 6627, Pampulha, 31270-901, Belo Horizonte, Minas Gerais, Brazil.
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32
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Souza De Lima D, Bomfim CCB, Leal VNC, Reis EC, Soares JLS, Fernandes FP, Amaral EP, Loures FV, Ogusku MM, Lima MRD, Sadahiro A, Pontillo A. Combining Host Genetics and Functional Analysis to Depict Inflammasome Contribution in Tuberculosis Susceptibility and Outcome in Endemic Areas. Front Immunol 2020; 11:550624. [PMID: 33193317 PMCID: PMC7609898 DOI: 10.3389/fimmu.2020.550624] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2020] [Accepted: 08/25/2020] [Indexed: 12/31/2022] Open
Abstract
The interplay between M. tuberculosis (Mtb) and humans is multifactorial. The susceptibility/resistance profile and the establishment of clinical tuberculosis (TB) still remains elusive. The gain-of-function variant rs10754558 in the NLRP3 gene (found in 30% of the world population) confers protection against the development of TB, indicating a prominent role played by NLRP3 inflammasome against Mtb. Through genotype-guided assays and various Mtb strains (BCG, H37Rv, Beijing-1471, MP287/03), we demonstrate that Mtb strains activate inflammasome according to the NLRP3/IL-1ß or NLRC4/IL18 preferential axis. NLRP3 and NLRC4 genetic variants contribute to the presentation of TB. For the first time, we have shown that loss-of-function variants in NLRC4 significantly contribute to the development of extra-pulmonary TB. The analysis of inflammasome activation in a cohort of TB patients and their “household contacts” (CNT) revealed that plasma IL-1ß/IFN-α ratio lets us distinguish patients from Mtb-exposed-but-healthy individuals from an endemic region. Moreover, NLRP3 inflammasome seemed “exhausted” in TB patients compared to CNT, indicating a more efficient activation of inflammasome in resistant individuals. These findings suggest that inflammasome genetics as well as virulence-dependent level of inflammasome activation contribute to the onset of a susceptible/resistant profile among Mtb-exposed individuals.
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Affiliation(s)
- Dhêmerson Souza De Lima
- Laboratório de Imunogenética, Departamento de Imunologia, Instituto de Ciências Biomédicas, Universidade de São Paulo, São Paulo, Brazil
| | - Caio C B Bomfim
- Laboratório de Imunologia das Doenças Infecciosas, Departamento de Imunologia, Instituto de Ciências Biomédicas, Universidade de São Paulo, São Paulo, Brazil
| | - Vinícius N C Leal
- Laboratório de Imunogenética, Departamento de Imunologia, Instituto de Ciências Biomédicas, Universidade de São Paulo, São Paulo, Brazil
| | - Edione C Reis
- Laboratório de Imunogenética, Departamento de Imunologia, Instituto de Ciências Biomédicas, Universidade de São Paulo, São Paulo, Brazil
| | - Jaíne L S Soares
- Laboratório de Imunogenética, Departamento de Imunologia, Instituto de Ciências Biomédicas, Universidade de São Paulo, São Paulo, Brazil
| | - Fernanda P Fernandes
- Laboratório de Imunogenética, Departamento de Imunologia, Instituto de Ciências Biomédicas, Universidade de São Paulo, São Paulo, Brazil
| | - Eduardo P Amaral
- Laboratório de Imunologia das Doenças Infecciosas, Departamento de Imunologia, Instituto de Ciências Biomédicas, Universidade de São Paulo, São Paulo, Brazil
| | - Flavio V Loures
- Instituto de Ciência e Tecnologia, Universidade Federal de São Paulo, São José dos Campos, Brazil
| | - Mauricio M Ogusku
- Laboratório de Micobacteriologia, Instituto Nacional de Pesquisas da Amazônia, Manaus, Brazil
| | - Maria R D'Imperio Lima
- Laboratório de Imunologia das Doenças Infecciosas, Departamento de Imunologia, Instituto de Ciências Biomédicas, Universidade de São Paulo, São Paulo, Brazil
| | - Aya Sadahiro
- Departamento de Parasitologia, Universidade Federal do Amazonas, Manaus, Brazil
| | - Alessandra Pontillo
- Laboratório de Imunogenética, Departamento de Imunologia, Instituto de Ciências Biomédicas, Universidade de São Paulo, São Paulo, Brazil
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Phelan JJ, McQuaid K, Kenny C, Gogan KM, Cox DJ, Basdeo SA, O’Leary S, Tazoll SC, Ó Maoldomhnaigh C, O’Sullivan MP, O’Neill LA, O’Sullivan MJ, Keane J. Desferrioxamine Supports Metabolic Function in Primary Human Macrophages Infected With Mycobacterium tuberculosis. Front Immunol 2020; 11:836. [PMID: 32477344 PMCID: PMC7237728 DOI: 10.3389/fimmu.2020.00836] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2020] [Accepted: 04/14/2020] [Indexed: 02/02/2023] Open
Abstract
Tuberculosis is the single biggest infectious killer in the world and presents a major global health challenge. Antimicrobial therapy requires many months of multiple drugs and incidences of drug resistant tuberculosis continues to rise. Consequently, research is now focused on the development of therapies to support the function of infected immune cells. HIF1α-mediated induction of aerobic glycolysis is integral to the host macrophage response during infection with Mtb, as this promotes bacillary clearance. Some iron chelators have been shown to modulate cellular metabolism through the regulation of HIF1α. We examined if the iron chelator, desferrioxamine (DFX), could support the function of primary human macrophages infected with Mtb. Using RT-PCR, we found that DFX promoted the expression of key glycolytic enzymes in Mtb-infected primary human MDMs and human alveolar macrophages. Using Seahorse technology, we demonstrate that DFX enhances glycolytic metabolism in Mtb-stimulated human MDMs, while helping to enhance glycolysis during mitochondrial distress. Furthermore, the effect of DFX on glycolysis was not limited to Mtb infection as DFX also boosted glycolytic metabolism in uninfected and LPS-stimulated cells. DFX also supports innate immune function by inducing IL1β production in human macrophages during early infection with Mtb and upon stimulation with LPS. Moreover, using hypoxia, Western blot and ChIP-qPCR analyses, we show that DFX modulates IL1β levels in these cells in a HIF1α-mediated manner. Collectively, our data suggests that DFX exhibits potential to enhance immunometabolic responses and augment host immune function during early Mtb infection, in selected clinical settings.
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Affiliation(s)
- James Joseph Phelan
- TB Immunology Group, Department of Clinical Medicine, Trinity Translational Medicine Institute, Trinity College Dublin, Dublin, Ireland
| | - Kate McQuaid
- TB Immunology Group, Department of Clinical Medicine, Trinity Translational Medicine Institute, Trinity College Dublin, Dublin, Ireland
| | - Colin Kenny
- National Children’s Research Centre, Our Lady’s Children’s Hospital, Dublin, Ireland
| | - Karl Michael Gogan
- TB Immunology Group, Department of Clinical Medicine, Trinity Translational Medicine Institute, Trinity College Dublin, Dublin, Ireland
| | - Dónal J. Cox
- TB Immunology Group, Department of Clinical Medicine, Trinity Translational Medicine Institute, Trinity College Dublin, Dublin, Ireland
| | - Sharee Ann Basdeo
- TB Immunology Group, Department of Clinical Medicine, Trinity Translational Medicine Institute, Trinity College Dublin, Dublin, Ireland
| | - Seónadh O’Leary
- TB Immunology Group, Department of Clinical Medicine, Trinity Translational Medicine Institute, Trinity College Dublin, Dublin, Ireland
| | - Simone Christa Tazoll
- TB Immunology Group, Department of Clinical Medicine, Trinity Translational Medicine Institute, Trinity College Dublin, Dublin, Ireland
| | - Cilian Ó Maoldomhnaigh
- TB Immunology Group, Department of Clinical Medicine, Trinity Translational Medicine Institute, Trinity College Dublin, Dublin, Ireland
| | - Mary P. O’Sullivan
- TB Immunology Group, Department of Clinical Medicine, Trinity Translational Medicine Institute, Trinity College Dublin, Dublin, Ireland
| | - Luke A. O’Neill
- School of Biochemistry and Immunology, Trinity Biomedical Science Institute, Trinity College Dublin, Dublin, Ireland
| | - Maureen J. O’Sullivan
- National Children’s Research Centre, Our Lady’s Children’s Hospital, Dublin, Ireland
| | - Joseph Keane
- TB Immunology Group, Department of Clinical Medicine, Trinity Translational Medicine Institute, Trinity College Dublin, Dublin, Ireland
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Mohamed Ali H, Mustafa M, Suliman S, Elshazali OH, Ali RW, Berggreen E. Inflammatory mediators in saliva and gingival fluid of children with congenital heart defect. Oral Dis 2020; 26:1053-1061. [DOI: 10.1111/odi.13313] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2019] [Revised: 01/18/2020] [Accepted: 02/20/2020] [Indexed: 12/11/2022]
Affiliation(s)
- Hiba Mohamed Ali
- Department of Clinical Dentistry Faculty of Medicine University of Bergen Bergen Norway
| | - Manal Mustafa
- Oral Health Centre of Expertise in Western Norway Bergen Norway
| | - Salwa Suliman
- Department of Clinical Dentistry Faculty of Medicine University of Bergen Bergen Norway
| | - Osama Hafiz Elshazali
- Faculty of Medicine University of Khartoum Ahmed Gasim Hospital Ministry of Health Khartoum Sudan
| | - Raouf Whahab Ali
- Department of Periodontics University of Science and Technology Khartoum Sudan
| | - Ellen Berggreen
- Oral Health Centre of Expertise in Western Norway Bergen Norway
- Department of Biomedicine Faculty of Medicine and Dentistry University of Bergen Bergen Norway
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35
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Rivera J, Isidro RA, Loucil-Alicea RY, Cruz ML, Appleyard CB, Isidro AA, Chompre G, Colon-Rivera K, Noel RJ. Infusion of HIV-1 Nef-expressing astrocytes into the rat hippocampus induces enteropathy and interstitial pneumonitis and increases blood-brain-barrier permeability. PLoS One 2019; 14:e0225760. [PMID: 31774879 PMCID: PMC6881014 DOI: 10.1371/journal.pone.0225760] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2019] [Accepted: 11/12/2019] [Indexed: 12/16/2022] Open
Abstract
Even though HIV-1 replication can be suppressed by combination antiretroviral therapy (cART) inflammatory processes still occur, contributing to comorbidities. Comorbidities are attributed to variety of factors, including HIV-1 mediated inflammation. Several HIV-1 proteins mediate central nervous system (CNS) inflammation, including Nef. Nef is an early HIV-1 protein, toxic to neurons and glia and is sufficient to cause learning impairment similar to some deficits observed in HIV-1 associated neurocognitive disorders. To determine whether hippocampal Nef expression by astrocytes contributes to comorbidities, specifically peripheral inflammation, we infused Sprague Dawley rats with GFP- (control) or Nef-transfected astrocytes into the right hippocampus. Brain, lung, and ileum were collected postmortem for the measurement of inflammatory markers. Increased blood-brain-barrier permeability and serum IL-1β levels were detected in the Nef-treated rats. The lungs of Nef-treated rats demonstrated leukocyte infiltration, macrophage upregulation, and enhanced vascular permeability. Ileal tissue showed reactive follicular lymphoid hyperplasia, increased permeability and macrophage infiltration. The intracerebroventricular application of IL-1 receptor antagonist reduced infiltration of immune cells into ileum and lung, indicating the important role of IL-1β in mediating the spread of inflammation from the brain to other tissues. This suggests that localized expression of a single viral protein, HIV-1 Nef, can contribute to a broader inflammatory response by upregulation of IL-1β. Further, these results suggest that Nef contributes to the chronic inflammation seen in HIV patients, even in those whose viremia is controlled by cART.
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Affiliation(s)
- Jocelyn Rivera
- HIV-1 Immunopathogenesis Laboratory, The Wistar Institute, Philadelphia, PA, United States of America
| | - Raymond A. Isidro
- Department of Basic Sciences, Ponce Health Sciences University, Ponce Research Institute, Ponce, Puerto Rico, United States of America
| | - Raisa Y. Loucil-Alicea
- Department of Basic Sciences, Ponce Health Sciences University, Ponce Research Institute, Ponce, Puerto Rico, United States of America
| | - Myrella L. Cruz
- Department of Basic Sciences, Ponce Health Sciences University, Ponce Research Institute, Ponce, Puerto Rico, United States of America
| | - Caroline B. Appleyard
- Department of Basic Sciences, Ponce Health Sciences University, Ponce Research Institute, Ponce, Puerto Rico, United States of America
| | - Angel A. Isidro
- Department of Basic Sciences, Ponce Health Sciences University, Ponce Research Institute, Ponce, Puerto Rico, United States of America
| | - Gladys Chompre
- Department of Biology, Pontifical Catholic University of Puerto Rico, Ponce, Puerto Rico, United States of America
| | - Krystal Colon-Rivera
- HIV-1 Immunopathogenesis Laboratory, The Wistar Institute, Philadelphia, PA, United States of America
| | - Richard J. Noel
- Department of Basic Sciences, Ponce Health Sciences University, Ponce Research Institute, Ponce, Puerto Rico, United States of America
- * E-mail:
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36
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Kuffler DP. Injury-Induced Effectors of Neuropathic Pain. Mol Neurobiol 2019; 57:51-66. [PMID: 31701439 DOI: 10.1007/s12035-019-01756-w] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2019] [Revised: 08/29/2019] [Indexed: 02/07/2023]
Abstract
Injuries typically result in the development of neuropathic pain, which decreases in parallel with wound healing. However, the pain may remain after the injury appears to have healed, which is generally associated with an ongoing underlying pro-inflammatory state. Injury induces many cells to release factors that contribute to the development of a pro-inflammatory state, which is considered an essential first step towards wound healing. However, pain elimination requires a transition of the injury site from pro- to anti-inflammatory. Therefore, developing techniques that eliminate chronic pain require an understanding of the cells resident at and recruited to injury sites, the factors they release, that promote a pro-inflammatory state, and promote the subsequent transition of that site to be anti-inflammatory. Although a relatively large number of cells, factors, and gene expression changes are involved in these processes, it may be possible to control a relatively small number of them leading to the reduction and elimination of chronic neuropathic pain. This first of two papers examines the roles of the most salient cells and mediators associated with the development and maintenance of chronic neuropathic pain. The following paper examines the cells and mediators involved in reducing and eliminating chronic neuropathic pain.
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Affiliation(s)
- Damien P Kuffler
- Institute of Neurobiology, Medical Sciences Campus, University of Puerto Rico, 201 Blvd. del Valle, San Juan, PR, 00901, USA.
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37
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Kaneko N, Kurata M, Yamamoto T, Morikawa S, Masumoto J. The role of interleukin-1 in general pathology. Inflamm Regen 2019; 39:12. [PMID: 31182982 PMCID: PMC6551897 DOI: 10.1186/s41232-019-0101-5] [Citation(s) in RCA: 322] [Impact Index Per Article: 64.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2019] [Accepted: 05/07/2019] [Indexed: 12/19/2022] Open
Abstract
Interleukin-1, an inflammatory cytokine, is considered to have diverse physiological functions and pathological significances and play an important role in health and disease. In this decade, interleukin-1 family members have been expanding and evidence is accumulating that highlights the importance of interleukin-1 in linking innate immunity with a broad spectrum of diseases beyond inflammatory diseases. In this review, we look back on the definition of "inflammation" in traditional general pathology and discuss new insights into interleukin-1 in view of its history and the molecular bases of diseases, as well as current progress in therapeutics.
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Affiliation(s)
- Naoe Kaneko
- Department of Pathology, Ehime University Graduate School of Medicine and Proteo-Science Center, Shitsukawa 454, Toon, Ehime 791-0295 Japan
| | - Mie Kurata
- Department of Pathology, Ehime University Graduate School of Medicine and Proteo-Science Center, Shitsukawa 454, Toon, Ehime 791-0295 Japan
| | - Toshihiro Yamamoto
- Department of Pathology, Ehime University Graduate School of Medicine and Proteo-Science Center, Shitsukawa 454, Toon, Ehime 791-0295 Japan
| | - Shinnosuke Morikawa
- Department of Pathology, Ehime University Graduate School of Medicine and Proteo-Science Center, Shitsukawa 454, Toon, Ehime 791-0295 Japan
| | - Junya Masumoto
- Department of Pathology, Ehime University Graduate School of Medicine and Proteo-Science Center, Shitsukawa 454, Toon, Ehime 791-0295 Japan
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Tran TAT, Grievink HW, Lipinska K, Kluft C, Burggraaf J, Moerland M, Tasev D, Malone KE. Whole blood assay as a model for in vitro evaluation of inflammasome activation and subsequent caspase-mediated interleukin-1 beta release. PLoS One 2019; 14:e0214999. [PMID: 30958862 PMCID: PMC6453527 DOI: 10.1371/journal.pone.0214999] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2018] [Accepted: 03/26/2019] [Indexed: 11/19/2022] Open
Abstract
Processing of pro-interleukin (IL)-1β and IL-18 is regulated by multiprotein complexes, known as inflammasomes. Inflammasome activation results in generation of bioactive IL-1β and IL-18, which can exert potent pro-inflammatory effects. Our aim was to develop a whole blood-based assay to study the inflammasome in vitro and that also can be used as an assay in clinical studies. We show whole blood is a suitable milieu to study inflammasome activation in primary human monocytes. We demonstrated that unprocessed human blood cells can be stimulated to activate the inflammasome by the addition of adenosine 5'-triphosphate (ATP) within a narrow timeframe following lipopolysaccharide (LPS) priming. Stimulation with LPS resulted in IL-1β release; however, addition of ATP is necessary for "full-blown" inflammasome stimulation resulting in high IL-1β and IL-18 release. Intracellular cytokine staining demonstrated monocytes are the major producers of IL-1β in human whole blood cultures, and this was associated with activation of caspase-1/4/5, as detected by a fluorescently labelled caspase-1/4/5 probe. By applying caspase inhibitors, we show that both the canonical inflammasome pathway (via caspase-1) as well as the non-canonical inflammasome pathway (via caspases-4 and 5) can be studied using this whole blood-based model.
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Wang Y, Hu Z, Wu J, Wang P, Yang Q, Li Y, Zhu F, Yang J, Deng Y, Han M, Yao Y, Zeng R, Pei G, Xu G. High renal DC-SIGN + cell density is associated with severe renal lesions and poor prognosis in patients with immunoglobulin A nephropathy. Histopathology 2019; 74:744-758. [PMID: 30520136 DOI: 10.1111/his.13803] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2018] [Accepted: 12/01/2018] [Indexed: 12/18/2022]
Abstract
BACKGROUND AND AIMS In this observational cohort study, we assessed the prognostic value of DC-SIGN+ cells in the pathogenesis and progression of IgA nephropathy (IgAN). METHODS AND RESULTS A total of 139 adult IgAN patients were enrolled into this study from June 2009 to June 2010. We characterised DC-SIGN+ cells by immunohistochemistry or immunofluorescence in renal biopsy tissue. Correlations between the DC-SIGN, intercellular adhesion molecule 3 (ICAM-3), CD4 and CD8 were evaluated. Patients were classified into the DC-SIGNhigh and DC-SIGNlow groups. Depending on an average of 100-month follow-up, the predictive value of DC-SIGN+ cells in IgAN progression was analysed. DC-SIGN+ cells were found frequently in IgAN kidneys while rarely observed in normal kidneys, and almost all DC-SIGN+ cells expressed MHC-II. We also found that DC-SIGN+ cells were adjacent to ICAM-3-positive CD4+ and CD8+ lymphocytes. The density of DC-SIGN+ cells was positively and linearly correlated with the density of ICAM-3+ cells, CD4+ cells and CD8+ cells in renal biopsy tissues. In the DC-SIGNhigh group, the degree of renal lesion and inflammatory cell infiltration was more severe compared to the DC-SIGNlow group. Patients in the DC-SIGNhigh group also had increased incidences of deteriorating renal function during the follow up compared to patients in the DC-SIGNlow group. CONCLUSIONS DC-SIGN+ cells probably served as a potential contributor to exacerbate local inflammatory response. The density of DC-SIGN+ cells was associated with the severity of renal lesions of the patients. High renal DC-SIGN+ cell density might be used as a predictor of poor prognosis in patients with IgAN.
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Affiliation(s)
- Yuxi Wang
- Division of Nephrology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Zhizhi Hu
- Division of Nephrology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jianliang Wu
- Division of Nephrology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Pengge Wang
- Division of Nephrology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Qian Yang
- Division of Nephrology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yueqiang Li
- Division of Nephrology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Fengming Zhu
- Division of Nephrology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Juan Yang
- Division of Nephrology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yuanjun Deng
- Division of Nephrology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Min Han
- Division of Nephrology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Ying Yao
- Division of Nephrology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Rui Zeng
- Division of Nephrology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Guangchang Pei
- Division of Nephrology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Gang Xu
- Division of Nephrology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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Zeng QZ, Yang F, Li CG, Xu LH, He XH, Mai FY, Zeng CY, Zhang CC, Zha QB, Ouyang DY. Paclitaxel Enhances the Innate Immunity by Promoting NLRP3 Inflammasome Activation in Macrophages. Front Immunol 2019; 10:72. [PMID: 30761140 PMCID: PMC6361797 DOI: 10.3389/fimmu.2019.00072] [Citation(s) in RCA: 43] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2018] [Accepted: 01/11/2019] [Indexed: 12/22/2022] Open
Abstract
Microtubules play critical roles in regulating the activation of NLRP3 inflammasome and microtubule-destabilizing agents such as colchicine have been shown to suppress the activation of this inflammasome. However, it remains largely unknown whether paclitaxel, a microtubule-stabilizing agent being used in cancer therapy, has any influences on NLRP3 inflammasome activation. Here we showed that paclitaxel pre-treatment greatly enhanced ATP- or nigericin-induced NLRP3 inflammasome activation as indicated by increased release of cleaved caspase-1 and mature IL-1β, enhanced formation of ASC speck, and increased gasdermin D cleavage and pyroptosis. Paclitaxel time- and dose-dependently induced α-tubulin acetylation in LPS-primed murine and human macrophages and further increased ATP- or nigericin-induced α-tubulin acetylation. Such increased α-tubulin acetylation was significantly suppressed either by resveratrol or NAD+ (coenzyme required for deacetylase activity of SIRT2), or by genetic knockdown of MEC-17 (gene encoding α-tubulin acetyltransferase 1). Concurrently, the paclitaxel-mediated enhancement of NLRP3 inflammasome activation was significantly suppressed by resveratrol, NAD+, or MEC-17 knockdown, indicating the involvement of paclitaxel-induced α-tubulin acetylation in the augmentation of NLRP3 inflammasome activation. Similar to paclitaxel, epothilone B that is another microtubule-stabilizing agent also induced α-tubulin acetylation and increased NLRP3 inflammasome activation in macrophages in response to ATP treatment. Consistent with the in vitro results, intraperitoneal administration of paclitaxel significantly increased serum IL-1β levels, reduced bacterial burden, dampened infiltration of inflammatory cells in the liver, and improved animal survival in a mouse model of bacterial infection. Collectively, our data indicate that paclitaxel potentiated NLRP3 inflammasome activation by inducing α-tubulin acetylation and thereby conferred enhanced antibacterial innate responses, suggesting its potential application against pathogenic infections beyond its use as a chemotherapeutic agent.
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Affiliation(s)
- Qiong-Zhen Zeng
- Department of Immunobiology, College of Life Science and Technology, Jinan University, Guangzhou, China
| | - Fan Yang
- Department of Immunobiology, College of Life Science and Technology, Jinan University, Guangzhou, China
| | - Chen-Guang Li
- Department of Immunobiology, College of Life Science and Technology, Jinan University, Guangzhou, China
| | - Li-Hui Xu
- Department of Cell Biology, College of Life Science and Technology, Jinan University, Guangzhou, China
| | - Xian-Hui He
- Department of Immunobiology, College of Life Science and Technology, Jinan University, Guangzhou, China
| | - Feng-Yi Mai
- Department of Immunobiology, College of Life Science and Technology, Jinan University, Guangzhou, China
| | - Chen-Ying Zeng
- Department of Immunobiology, College of Life Science and Technology, Jinan University, Guangzhou, China
| | - Cheng-Cheng Zhang
- Department of Immunobiology, College of Life Science and Technology, Jinan University, Guangzhou, China
| | - Qing-Bing Zha
- Department of Fetal Medicine, the First Affiliated Hospital of Jinan University, Guangzhou, China
| | - Dong-Yun Ouyang
- Department of Immunobiology, College of Life Science and Technology, Jinan University, Guangzhou, China
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Bhowmick S, Wang J. Microchip Cytometry for Multiplexed Single-Cell Protein Detection in a Low-Resource Setting toward Point of Care Diagnosis. ACS Sens 2018; 3:2604-2612. [PMID: 30421607 DOI: 10.1021/acssensors.8b01015] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Multiplex measurement of protein expression with the single-cell resolution has been challenging. Although a few conventional approaches including flow cytometry and immunofluorescence-based methods have been developed to detect proteins in individual cells, they are either dependent on bulky instrument or not multiplexed and high-throughput enough. Here we present a portable single-cell analysis system that is operable in a resource-limited environment. A stand-sit microchip housed in a clamp enables simple and instrument-free operation of all necessary steps, and the detection based on immunogold enhancement exonerates the reliance on fluorescence optics and electronics. The quantified sensitivity was found comparable to the conventional fluorescence approaches. We used this system to analyze five immune effector proteins and found the system is equally effective to detect those proteins in hundreds of single cells. Significant increase of cytokine protein production by THP1 monocytes was observed upon stimulation by lipopolysaccharide. Further study showed that a low-end imaging setup with low resolution can also detect signals without much loss of sensitivity. Taken together, this portable multiplex single-cell system may find broad biomedical applications in a field setting.
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Affiliation(s)
- Sirsendu Bhowmick
- Multiplex Biotechnology Laboratory, Department of Chemistry, University at Albany, State University of New York, Albany, New York 12222, United States
| | - Jun Wang
- Multiplex Biotechnology Laboratory, Department of Chemistry, University at Albany, State University of New York, Albany, New York 12222, United States
- Cancer Research Center, University at Albany, State University of New York, Rensselaer, New York 12144, United States
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42
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Phelan JJ, Basdeo SA, Tazoll SC, McGivern S, Saborido JR, Keane J. Modulating Iron for Metabolic Support of TB Host Defense. Front Immunol 2018; 9:2296. [PMID: 30374347 PMCID: PMC6196273 DOI: 10.3389/fimmu.2018.02296] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2018] [Accepted: 09/17/2018] [Indexed: 02/05/2023] Open
Abstract
Tuberculosis (TB) is the world's biggest infectious disease killer. The increasing prevalence of multidrug-resistant and extensively drug-resistant TB demonstrates that current treatments are inadequate and there is an urgent need for novel therapies. Research is now focused on the development of host-directed therapies (HDTs) which can be used in combination with existing antimicrobials, with a special focus on promoting host defense. Immunometabolic reprogramming is integral to TB host defense, therefore, understanding and supporting the immunometabolic pathways that are altered after infection will be important for the development of new HDTs. Moreover, TB pathophysiology is interconnected with iron metabolism. Iron is essential for the survival of Mycobacterium tuberculosis (Mtb), the bacteria that causes TB disease. Mtb struggles to replicate and persist in low iron environments. Iron chelation has therefore been suggested as a HDT. In addition to its direct effects on iron availability, iron chelators modulate immunometabolism through the stabilization of HIF1α. This review examines immunometabolism in the context of Mtb and its links to iron metabolism. We suggest that iron chelation, and subsequent stabilization of HIF1α, will have multifaceted effects on immunometabolic function and holds potential to be utilized as a HDT to boost the host immune response to Mtb infection.
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Affiliation(s)
- James J Phelan
- Department of Clinical Medicine, Trinity Centre for Health Sciences, Trinity Translational Medicine Institute, St. James's Hospital, Dublin, Ireland
| | - Sharee A Basdeo
- Department of Clinical Medicine, Trinity Centre for Health Sciences, Trinity Translational Medicine Institute, St. James's Hospital, Dublin, Ireland
| | - Simone C Tazoll
- Department of Clinical Medicine, Trinity Centre for Health Sciences, Trinity Translational Medicine Institute, St. James's Hospital, Dublin, Ireland
| | - Sadhbh McGivern
- Department of Clinical Medicine, Trinity Centre for Health Sciences, Trinity Translational Medicine Institute, St. James's Hospital, Dublin, Ireland
| | - Judit R Saborido
- Department of Clinical Medicine, Trinity Centre for Health Sciences, Trinity Translational Medicine Institute, St. James's Hospital, Dublin, Ireland
| | - Joseph Keane
- Department of Clinical Medicine, Trinity Centre for Health Sciences, Trinity Translational Medicine Institute, St. James's Hospital, Dublin, Ireland
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Averbakh MM, Ergeshow A. Interaction between Mycobacterium tuberculosis and Human Host: Role of Cytokines in Pathogenesis and Treatment Monitoring. Tuberculosis (Edinb) 2018. [DOI: 10.5772/intechopen.76543] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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44
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3D micro-environment regulates NF-κβ dependent adhesion to induce monocyte differentiation. Cell Death Dis 2018; 9:914. [PMID: 30206232 PMCID: PMC6133927 DOI: 10.1038/s41419-018-0993-z] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2018] [Revised: 07/24/2018] [Accepted: 07/26/2018] [Indexed: 12/12/2022]
Abstract
Differentiation of monocytes entails their relocation from blood to the tissue, hence accompanied by an altered physicochemical micro-environment. While the mechanism by which the biochemical make-up of the micro-environment induces differentiation is known, the fluid-like to gel-like transition in the physical micro-environment is not well understood. Monocytes maintain non-adherent state to prevent differentiation. We establish that irrespective of the chemical makeup, a 3D gel-like micro-environment induces a positive-feedback loop of adhesion-MAPK-NF-κβ activation to facilitate differentiation. In 2D fluid-like micro-environment, adhesion alone is capable of inducing differentiation via the same positive-feedback signaling. Chemical inducer treatment in fluid-like micro-environment, increases the propensity of monocyte adhesion via a brief pulse of p-MAPK. The adhesion subsequently elicit differentiation, establishing that adhesion is both necessary and sufficient to induce differentiation in 2D/3D micro-environment. MAPK, and NF-κβ being key molecules of multiple signaling pathways, we hypothesize that biochemically inert 3D gel-like micro-environment would also influence other cellular functions.
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45
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Interleukin-1 Beta-A Friend or Foe in Malignancies? Int J Mol Sci 2018; 19:ijms19082155. [PMID: 30042333 PMCID: PMC6121377 DOI: 10.3390/ijms19082155] [Citation(s) in RCA: 254] [Impact Index Per Article: 42.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2018] [Revised: 07/14/2018] [Accepted: 07/19/2018] [Indexed: 12/19/2022] Open
Abstract
Interleukin-1 beta (IL-1β) is induced by inflammatory signals in a broad number of immune cell types. IL-1β (and IL-18) are the only cytokines which are processed by caspase-1 after inflammasome-mediated activation. This review aims to summarize current knowledge about parameters of regulation of IL-1β expression and its multi-facetted role in pathophysiological conditions. IL-1 signaling activates innate immune cells including antigen presenting cells, and drives polarization of CD4+ T cells towards T helper type (Th) 1 and Th17 cells. Therefore, IL-1β has been attributed a largely beneficial role in resolving acute inflammations, and by initiating adaptive anti-tumor responses. However, IL-1β generated in the course of chronic inflammation supports tumor development. Furthermore, IL-1β generated within the tumor microenvironment predominantly by tumor-infiltrating macrophages promotes tumor growth and metastasis via different mechanisms. These include the expression of IL-1 targets which promote neoangiogenesis and of soluble mediators in cancer-associated fibroblasts that evoke antiapoptotic signaling in tumor cells. Moreover, IL-1 promotes the propagation of myeloid-derived suppressor cells. Using genetic mouse models as well as agents for pharmacological inhibition of IL-1 signaling therapeutically applied for treatment of IL-1 associated autoimmune diseases indicate that IL-1β is a driver of tumor induction and development.
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46
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Paroli AF, Gonzalez PV, Díaz-Luján C, Onofrio LI, Arocena A, Cano RC, Carrera-Silva EA, Gea S. NLRP3 Inflammasome and Caspase-1/11 Pathway Orchestrate Different Outcomes in the Host Protection Against Trypanosoma cruzi Acute Infection. Front Immunol 2018; 9:913. [PMID: 29774028 PMCID: PMC5944318 DOI: 10.3389/fimmu.2018.00913] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2018] [Accepted: 04/12/2018] [Indexed: 11/13/2022] Open
Abstract
Infection with protozoan parasite Trypanosoma cruzi results in activation of nucleotide-binding domain and leucine-rich repeat containing receptors (NLRs). NLR activation leads to inflammasome formation, the activation of caspase-1, and the subsequent cleavage of IL-1β and IL-18. Considering that inflammasome activation and IL-1β induction by macrophages are key players for an appropriate T cell response, we investigated the relevance of NLR pyrin domain-containing 3 (NLRP3) and caspase-1/11 to elucidate their roles in the induction of different T cell phenotypes and the relationship with parasite load and hepatic inflammation during T. cruzi-Tulahuen strain acute infection. We demonstrated that infected nlrp3-/- and C57BL/6 wild type (WT) mice exhibited similar parasitemia and survival, although the parasite load was higher in the livers of nlrp3-/- mice than in those of WT mice. Increased levels of transaminases and pro-inflammatory cytokines were found in the plasma of WT and nlrp3-/- mice indicating that NLRP3 is dispensable to control the parasitemia but it is required for a better clearance of parasites in the liver. Importantly, we have found that NLRP3 and caspase-1/11-deficient mice differentially modulate T helper (Th1, Th2, and Th17) and cytotoxic T lymphocyte phenotypes. Strikingly, caspase-1/11-/- mice showed the most dramatic reduction in the number of IFN-γ- and IL-17-producing CD4+ and CD8+ T cells associated with higher parasitemia and lower survival. Additionally, caspase-1/11-/- mice demonstrated significantly reduced liver inflammation with the lowest alanine aminotransferase (ALT) levels but the highest hepatic parasitic load. These results unequivocally demonstrate that caspase-1/11 pathway plays an important role in the induction of liver adaptive immunity against this parasite infection as well as in hepatic inflammation.
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Affiliation(s)
- Augusto F Paroli
- Centro de Investigaciones en Bioquímica Clínica e Inmunología (CIBICI - CONICET), Departamento de Bioquímica Clínica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Córdoba, Argentina
| | - Patricia V Gonzalez
- Centro de Investigaciones en Bioquímica Clínica e Inmunología (CIBICI - CONICET), Departamento de Bioquímica Clínica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Córdoba, Argentina
| | - Cintia Díaz-Luján
- Instituto de Biología Celular, Facultad de Medicina, Universidad Nacional de Córdoba, Córdoba, Argentina
| | - Luisina I Onofrio
- Centro de Investigaciones en Bioquímica Clínica e Inmunología (CIBICI - CONICET), Departamento de Bioquímica Clínica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Córdoba, Argentina
| | - Alfredo Arocena
- Centro de Investigaciones en Bioquímica Clínica e Inmunología (CIBICI - CONICET), Departamento de Bioquímica Clínica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Córdoba, Argentina
| | - Roxana C Cano
- Centro de Investigaciones en Bioquímica Clínica e Inmunología (CIBICI - CONICET), Departamento de Bioquímica Clínica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Córdoba, Argentina
| | - Eugenio A Carrera-Silva
- Instituto de Medicina Experimental (IMEX-CONICET), Academia Nacional de Medicina, Buenos Aires, Argentina
| | - Susana Gea
- Centro de Investigaciones en Bioquímica Clínica e Inmunología (CIBICI - CONICET), Departamento de Bioquímica Clínica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Córdoba, Argentina
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Periasamy S, Harton JA. Interleukin 1α (IL-1α) Promotes Pathogenic Immature Myeloid Cells and IL-1β Favors Protective Mature Myeloid Cells During Acute Lung Infection. J Infect Dis 2018; 217:1481-1490. [PMID: 29373737 PMCID: PMC6692884 DOI: 10.1093/infdis/jiy049] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2017] [Accepted: 01/22/2018] [Indexed: 12/22/2022] Open
Abstract
Bacterial pneumonia is a common risk factor for acute lung injury and sepsis-mediated death, but the mechanisms underlying the overt inflammation and accompanying pathology are unclear. Infiltration of immature myeloid cells and necrotizing inflammation mediate severe pathology and death during pulmonary infection with Francisella tularensis. However, eliciting mature myeloid cells provides protection. Yet, the host factors responsible for this pathologic immature myeloid cell response are unknown. Here, we report that while the influx of both mature and immature myeloid cells is strictly MyD88 dependent, the interleukin 1 (IL-1) receptor mediates an important dual function via its ligands IL-1α and IL-1β. Although IL-1β favors the appearance of bacteria-clearing mature myeloid cells, IL-1α contributes to lung infiltration by ineffective and pathologic immature myeloid cells. Finally, IL-1α and IL-1β are not the sole factors involved, but myeloid cell responses during acute pneumonia were largely unaffected by lung levels of interleukin 10, interleukin 17, CXCL1, granulocyte colony-stimulating factor, and granulocyte-macrophage colony-stimulating factor.
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Affiliation(s)
- Sivakumar Periasamy
- Department of Immunology and Microbial Disease, Albany Medical College, New York
| | - Jonathan A Harton
- Department of Immunology and Microbial Disease, Albany Medical College, New York
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48
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Cho YJ, Lee SH, Park JW, Han M, Park MJ, Han SJ. Dysfunctional signaling underlying endometriosis: current state of knowledge. J Mol Endocrinol 2018; 60:R97-R113. [PMID: 29330150 DOI: 10.1530/jme-17-0227] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/04/2018] [Accepted: 01/11/2018] [Indexed: 12/18/2022]
Abstract
Endometriosis is defined as the presence of endometrial tissue outside the uterine cavity. It affects approximately 5-10% of women of reproductive age. Endometriosis is associated with dysmenorrhea, dyspareunia and, often, severe pelvic pain. In addition to pain, women with endometriosis often experience infertility. Defining the molecular etiology of endometriosis is a significant challenge for improving the quality of women's lives. Unfortunately, the pathophysiology of endometriosis is not well understood. Here, we summarize the potential causative factors of endometriosis in the following three categories: (1) dysregulation of immune cells in the peritoneal fluid and endometriotic lesions; (2) alteration of apoptotic signaling in retrograde menstrual tissue and cytotoxic T cells involved in endometriosis progression and (3) dysregulation of oxidative stress. Determining the molecular etiology of these dysregulated cellular signaling pathways should provide crucial clues for understanding initiation and progression of endometriosis. Moreover, improved understanding should suggest new molecular therapeutic targets that could improve the specificity of endometriosis treatments and reduce the side effects associated with current approaches.
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Affiliation(s)
- Yeon Jean Cho
- Department of Obstetrics and Gynecology, Dong-A University, College of Medicine, Busan, Republic of Korea
- Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, Texas, USA
| | - Seung Hyun Lee
- Department of Obstetrics and Gynecology, Dong-A University, College of Medicine, Busan, Republic of Korea
| | - Jung Woo Park
- Department of Obstetrics and Gynecology, Dong-A University, College of Medicine, Busan, Republic of Korea
| | - Myoungseok Han
- Department of Obstetrics and Gynecology, Dong-A University, College of Medicine, Busan, Republic of Korea
| | - Mi Jin Park
- Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, Texas, USA
| | - Sang Jun Han
- Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, Texas, USA
- Center for Reproductive Medicine, Baylor College of Medicine, Houston, Texas, USA
- Dan L Duncan Comprehensive Cancer Center, Baylor College of Medicine, Houston, Texas, USA
- Center for Drug Discovery, Baylor College of Medicine, Houston, Texas, USA
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49
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Friedrich EE, Lanier ST, Niknam-Bienia S, Arenas GA, Rajendran D, Wertheim JA, Galiano RD. Residual sodium dodecyl sulfate in decellularized muscle matrices leads to fibroblast activation in vitro and foreign body response in vivo. J Tissue Eng Regen Med 2017; 12:e1704-e1715. [PMID: 29084373 DOI: 10.1002/term.2604] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2017] [Revised: 08/01/2017] [Accepted: 10/03/2017] [Indexed: 12/22/2022]
Abstract
Detergents such as sodium dodecyl sulfate (SDS) are commonly used to extract cells from tissues in a process called "decellularization". Residual SDS is difficult to completely remove and may lead to an undesirable host response towards an implanted biomaterial. In this study, we developed a modification for SDS cell extraction from muscle equally efficient to previous methods but leading to significantly less residual SDS remnants in the matrices. Muscle-derived matrices were prepared via 2 SDS-based decellularization methods, which led to removal of either 81.4% or 98.4% of the SDS. In vitro, matrices were seeded with thp1 macrophages and primary human foreskin fibroblasts. By Day 2, both matrices demonstrated similar macrophage polarization; however, fibroblasts cultured on matrices with greater residual SDS expressed higher levels of mRNA associated with fibroblast activation: α-smooth muscle actin and connective tissue growth factor. In vivo, Collagen I gels spiked with increasing concentrations of SDS displayed a corresponding decrease in cell infiltration when implanted subcutaneously in rats after 4 days. Finally, as a model for muscle regeneration, matrices produced by each method were implanted in rat latissimus dorsi defects. At POD 30 greater levels of IL-1β mRNA were present in defects treated with matrices containing higher levels of SDS, indicating a more severe inflammatory response. Although matrices containing higher levels of residual SDS became encapsulated by POD 30 and showed evidence of a foreign body response, matrices with the lower levels of SDS integrated into the defect area with lower levels of inflammatory and fibrosis-related gene expression.
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Affiliation(s)
- Emily E Friedrich
- Department of Surgery, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Steven T Lanier
- Department of Surgery, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Solmaz Niknam-Bienia
- Department of Surgery, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Gabriel A Arenas
- Department of Surgery, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Divya Rajendran
- Comprehensive Transplant Center, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Jason A Wertheim
- Department of Surgery, Northwestern University Feinberg School of Medicine, Chicago, IL, USA.,Comprehensive Transplant Center, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA.,Chemistry of Life Processes Institute, Northwestern University, Evanston, IL, USA.,Department of Surgery, Jesse Brown VA Medical Center, Chicago, IL, USA.,Simpson Querrey Institute for BioNanotechnology, Northwestern University, Chicago, IL, USA.,Department of Biomedical Engineering, Northwestern University, Evanston, IL, USA
| | - Robert D Galiano
- Department of Surgery, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
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50
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Montague K, Malcangio M. The Therapeutic Potential of Monocyte/Macrophage Manipulation in the Treatment of Chemotherapy-Induced Painful Neuropathy. Front Mol Neurosci 2017; 10:397. [PMID: 29230166 PMCID: PMC5711788 DOI: 10.3389/fnmol.2017.00397] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2017] [Accepted: 11/13/2017] [Indexed: 01/19/2023] Open
Abstract
In cancer treatments a dose-limiting side-effect of chemotherapeutic agents is the development of neuropathic pain, which is poorly managed by clinically available drugs at present. Chemotherapy-induced painful neuropathy (CIPN) is a major cause of premature cessation of treatment and so a greater understanding of the underlying mechanisms and the development of novel, more effective therapies, is greatly needed. In some cases, only a weak correlation between chemotherapy-induced pain and neuronal damage is observed both clinically and preclinically. As such, a critical role for non-neuronal cells, such as immune cells, and their communication with neurons in CIPN has recently been appreciated. In this mini-review, we will discuss preclinical evidence for the role of monocytes/macrophages in the periphery in CIPN, with a focus on that which is associated with the chemotherapeutic agents vincristine and paclitaxel. In addition we will discuss the potential mechanisms that regulate monocyte/macrophage–neuron crosstalk in this context. Informed by preclinical data, we will also consider the value of monocytes/macrophages as therapeutic targets for the treatment of CIPN clinically. Approaches that manipulate the signaling pathways discussed in this review show both promise and potential pitfalls. Nonetheless, they are emerging as innovative therapeutic targets with CX3CL1/R1-regulation of monocyte/macrophage–neuron communication currently emerging as a promising front-runner.
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Affiliation(s)
- Karli Montague
- Wolfson Centre for Age-Related Diseases, Guy's Hospital Campus, King's College London, London, United Kingdom
| | - Marzia Malcangio
- Wolfson Centre for Age-Related Diseases, Guy's Hospital Campus, King's College London, London, United Kingdom
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