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Kong L, Cao Y, He Y, Zhang Y. Role and molecular mechanism of NOD2 in chronic non-communicable diseases. J Mol Med (Berl) 2024; 102:787-799. [PMID: 38740600 DOI: 10.1007/s00109-024-02451-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Revised: 04/23/2024] [Accepted: 04/25/2024] [Indexed: 05/16/2024]
Abstract
Nucleotide-binding oligomerization domain containing 2 (NOD2), located in the cell cytoplasm, is a pattern recognition receptor belonging to the innate immune receptor family. It mediates the innate immune response by identifying conserved sequences in bacterial peptide glycans and plays an essential role in maintaining immune system homeostasis. Gene mutations of NOD2 lead to the development of autoimmune diseases such as Crohn's disease and Blau syndrome. Recently, NOD2 has been shown to be associated with the pathogenesis of diabetes, cardiac-cerebral diseases, and cancers. However, the function of NOD2 in these non-communicable diseases (CNCDs) is not well summarized in reviews. Our report mainly discusses the primary function and molecular mechanism of NOD2 as well as its potential clinical significance in CNCDs.
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Affiliation(s)
- Lingjun Kong
- Department of Pharmacy, Shandong Provincial Hospital Affiliated to Shandong First Medical University, No. 324, Jingwu Weiqi Road, Huaiyin District, Jinan, Shandong, People's Republic of China
| | - Yanhua Cao
- Department of Pharmacy, Shandong Provincial Hospital Affiliated to Shandong First Medical University, No. 324, Jingwu Weiqi Road, Huaiyin District, Jinan, Shandong, People's Republic of China
| | - Yanan He
- Gamma Knife Center, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, People's Republic of China
| | - Yahui Zhang
- Department of Pharmacy, Shandong Provincial Hospital Affiliated to Shandong First Medical University, No. 324, Jingwu Weiqi Road, Huaiyin District, Jinan, Shandong, People's Republic of China.
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Han G, Li M, Du J, Chen Y, Xu C. Nucleotide-Oligomerizing Domain-1 Activation Exaggerates Cigarette Smoke-Induced Chronic Obstructive Pulmonary-Like Disease in Mice. Int J Chron Obstruct Pulmon Dis 2021; 16:2605-2615. [PMID: 34556981 PMCID: PMC8453445 DOI: 10.2147/copd.s323616] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2021] [Accepted: 08/16/2021] [Indexed: 12/28/2022] Open
Abstract
Introduction Chronic obstructive pulmonary disease (COPD) is a progressive condition related to abnormal inflammatory responses. As an inflammatory driver, nucleotide-binding oligomerizing domain-1 (NOD1) is highly expressed in pulmonary inflammatory cells; however, the roles of NOD1 in COPD are unknown. Methods A COPD mouse model was established by lipopolysaccharides tracheal instillation plus cigarette smoke (CS) exposure. NOD1 activation was induced by C12-iE-DAP (iE) treatment in both control and COPD mice. Inflammatory infiltration, pulmonary histological damage and gene expression were measured to evaluate the lung function of treated mice. Results The results showed that NOD1 was up-regulated in COPD mice, which significantly exaggerated CS-induced impairment of lung function, demonstrated by increased airway resistance, functional residual capacity and pulmonary damages. Mechanistically, NOD1 activation strongly activated the TLR4/NF-κB signaling pathway and then increased inflammatory responses and promoted the secretion of inflammatory cytokines. Discussion This study demonstrates that NOD1 is an important risk factor in the progression of COPD; therefore, targeting NOD1 in lung tissues is a potential strategy for COPD treatment.
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Affiliation(s)
- Guangchao Han
- Department of Respiratory and Critical Care Medicine, Cangzhou Central Hospital, Cangzhou, 061000, Hebei, People's Republic of China
| | - Min Li
- Department of Respiratory and Critical Care Medicine, Cangzhou Central Hospital, Cangzhou, 061000, Hebei, People's Republic of China
| | - Junfeng Du
- Department of Respiratory and Critical Care Medicine, Cangzhou Central Hospital, Cangzhou, 061000, Hebei, People's Republic of China
| | - Yang Chen
- Department of Respiratory and Critical Care Medicine, Cangzhou Central Hospital, Cangzhou, 061000, Hebei, People's Republic of China
| | - Chen Xu
- Department of Respiratory and Critical Care Medicine, Cangzhou Central Hospital, Cangzhou, 061000, Hebei, People's Republic of China
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Association between disease-related malnutrition and innate immunity gene expression in critically ill patients at intensive care unit admission. Cent Eur J Immunol 2021; 45:414-424. [PMID: 33658890 PMCID: PMC7882404 DOI: 10.5114/ceji.2020.103393] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Accepted: 10/05/2020] [Indexed: 11/17/2022] Open
Abstract
The aim of the study was to analyse the relationship between nutritional disorders and the expression of innate antibacterial response genes in patients admitted to the intensive care unit (ICU). In 46 patients with severe malnutrition and life-threatening surgical complications, nutritional status tests were performed on the basis of the NRS 2002 (Nutritional Risk Screening) scale, cytokine, albumin, C-reactive protein concentrations, anthropometric tests, and body composition analysis. Concurrently, the expression of Toll-like receptor 2, NOD1, TRAF6, and HMGB1 genes was determined in peripheral blood leukocytes at the mRNA level using real-time polymerase chain reaction. It was found that both the nutritional status and the gene expression changed depending on the group of patients studied (including the group of survivors vs. non-survivors). Significant correlations were found between the results of routine tests used in the diagnostics of malnutrition (including NRS 2002, resistance, reactance, phase angle, excess of extracellular water) and the expression of the studied genes. Moreover, the expression of TRAF6 and HMGB1 genes correlated with the Acute Physiology and Chronic Health Evaluation II scale and the age of the patients. The results of the research suggest that the expression of innate antibacterial response genes may be a new diagnostic tool complementing the assessment of nutritional disorders in surgical patients admitted to the ICU. These tests may be helpful in providing more accurate diagnostics of the genetic effects of malnutrition and in the monitoring of patients for whom nutritional treatment is planned to support the functions of the immune system, thereby increasing the effectiveness of this type of treatment in the ICU.
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Innate Immune Pattern Recognition Receptors of Mycobacterium tuberculosis: Nature and Consequences for Pathogenesis of Tuberculosis. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2021; 1313:179-215. [PMID: 34661896 DOI: 10.1007/978-3-030-67452-6_9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Innate immunity against Mycobacterium tuberculosis is a critical early response to prevent the establishment of the infection. Despite recent advances in understanding the host-pathogen dialogue in the early stages of tuberculosis (TB), much has yet to be learnt. The nature and consequences of this dialogue ultimately determine the path of infection: namely, either early clearance of M. tuberculosis, or establishment of M. tuberculosis infection leading to active TB disease and/or latent TB infection. On the frontline in innate immunity are pattern recognition receptors (PRRs), with soluble factors (e.g. collectins and complement) and cell surface factors (e.g. Toll-like receptors and other C-type lectin receptors (Dectin 1/2, Nod-like receptors, DC-SIGN, Mincle, mannose receptor, and MCL) that play a central role in recognising M. tuberculosis and facilitating its clearance. However, in a 'double-edged sword' scenario, these factors can also be involved in enhancement of pathogenesis as well. Furthermore, innate immunity is also a critical bridge in establishing the subsequent adaptive immune response, which is also responsible for granuloma formation that cordons off M. tuberculosis infection, establishing latency and acting as a reservoir for bacterial persistence and dissemination of future disease. This chapter discusses the current understanding of pattern recognition of M. tuberculosis by innate immunity and the role this plays in the pathogenesis and protection against TB.
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Liu F, Shao M, Xu F, Rong F. Inhibition of NOD1 Attenuates Neonatal Hypoxia-Ischemia Induced Long-Term Cognitive Impairments in Mice Through Modulation of Autophagy-Related Proteins. Neuropsychiatr Dis Treat 2021; 17:2659-2669. [PMID: 34421301 PMCID: PMC8373312 DOI: 10.2147/ndt.s314884] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Accepted: 07/12/2021] [Indexed: 11/25/2022] Open
Abstract
BACKGROUND Autophagy is implicated in neonatal hypoxia-ischemia (HI) induced cognitive impairment. The nucleotide-oligomerizing domain-1 (NOD1), a protein involved in inflammatory responses, has been shown to activate autophagy to promote progression of other diseases. We aimed to investigate whether and how NOD1 is involved in HI-induced brain injury using an HI mouse model. METHODS We induced HI in neonatal mice and examined levels of NOD1 and genes associated with autophagy. We then inhibited NOD1 by intracerebroventricular injection of si-NOD1 following HI induction and tested the effects on autophagy, inflammatory responses and long-term behavioral outcomes through Morris water maze and open field tests. RESULTS We found that HI induction significantly elevated mRNA levels of NOD1 (3.54 folds change) and autophagy-related genes including Atg5 (3.89 folds change) and Beclin-1 (3.34 folds change). NOD1 inhibition following HI induction suppressed autophagy signaling as well as HI induced proinflammatory cytokine production. Importantly, NOD1 inhibition after HI improved long-term cognitive function, without impacting exploratory and locomotor activities. CONCLUSION We show here that NOD1 is involved in the pathogenesis of HI-induced brain injury through modulation of autophagy-related proteins and inflammatory responses. Our findings suggest that NOD1 may be a potent target for developing therapeutic strategies for treating HI-induced brain injury.
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Affiliation(s)
- Fang Liu
- Department of Child Health Care, Zibo Central Hospital, Zibo, 255000, Shandong, People's Republic of China
| | - Mingyu Shao
- Department of Child Health Care, Zibo Central Hospital, Zibo, 255000, Shandong, People's Republic of China
| | - Feng Xu
- Department of Pediatrics, Zibo Central Hospital, Zibo, 255000, Shandong, People's Republic of China
| | - Fang Rong
- The Community Clinic of Overseas Chinese Town, Zibo Central Hospital, North Gate of Zhongrun Overseas Chinese Town, Zibo, 255000, Shandong, People's Republic of China
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Roy AC, Chang G, Roy S, Ma N, Gao Q, Shen X. γ-d-Glutamyl-meso-diaminopimelic acid induces autophagy in bovine hepatocytes during nucleotide-binding oligomerization domain 1-mediated inflammation. J Cell Physiol 2020; 236:5212-5234. [PMID: 33368240 DOI: 10.1002/jcp.30227] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2020] [Revised: 12/06/2020] [Accepted: 12/08/2020] [Indexed: 11/07/2022]
Abstract
Autophagy is a crucial cellular homeostatic process and an important part of the host defense system. Dysfunction in autophagy enhances tissue susceptibility to infection and multiple diseases. However, the role of nucleotide oligomerization domain 1 (NOD1) in autophagy in bovine hepatocytes is not well known. Therefore, our aim was to study the contribution of NOD1 to autophagy during inflammation in response to a specific ligand γ-d-glutamyl-meso-diaminopimelic acid (iE-DAP). To achieve this aim, hepatocytes separated from cows at ∼160 days in milk (DIM) were divided into six groups: the nontreated control (CON) group, the rapamycin-treated (RAP) group as a positive control, the iE-DAP-treated (DAP) group, the 3-MA-treated (MA) group, the rapamycin with 3-MA (RM) group, and the iE-DAP with 3-MA (DM) group. iE-DAP administration significantly increased the mRNA expression of NOD1, ATG16L1, RIPK2, ULK1, AMBRA1, DFCP1, WIPI1, ATG5, ATG7, ATG10, ATG4A, IκBα, NF-κB, CXCL1, IL-8, and STAT6 and significantly decreased PIK3C3. The protein expression of NOD1, p-IκBα, p-NF-κB/p-p65, LC3-II, ATG5, and beclin 1 were significantly upregulated and that of SQSTM1/p62, p-mTOR, and FOXA2 were significantly downregulated in response to iE-DAP. iE-DAP also induced the formation of LC3-GFP autophagic puncta in bovine hepatocytes. We also knocked down the NOD1 with siRNA. NOD1 silencing suppressed the autophagy and inflammation-related genes and proteins. The application of the autophagy inhibitor increased the expression of inflammatory molecules and alleviated autophagy-associated molecules. Taken together, these findings suggest that NOD1 is a key player for regulating both ATG16L1 and RIPK2-ULK1 directed autophagy during inflammation in response to iE-DAP in bovine hepatocytes.
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Affiliation(s)
- Animesh Chandra Roy
- Ministry of Education Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, Jiangsu, China.,Faculty of Veterinary, Animal and Biomedical Sciences, Sylhet Agricultural University, Sylhet, Bangladesh
| | - Guangjun Chang
- Ministry of Education Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, Jiangsu, China
| | - Shipra Roy
- Ministry of Education Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, Jiangsu, China
| | - Nana Ma
- Ministry of Education Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, Jiangsu, China
| | - Qianyun Gao
- Ministry of Education Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, Jiangsu, China
| | - Xiangzhen Shen
- Ministry of Education Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, Jiangsu, China
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Antimicrobial Peptide against Mycobacterium Tuberculosis That Activates Autophagy Is an Effective Treatment for Tuberculosis. Pharmaceutics 2020; 12:pharmaceutics12111071. [PMID: 33182483 PMCID: PMC7697726 DOI: 10.3390/pharmaceutics12111071] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2020] [Revised: 10/29/2020] [Accepted: 11/03/2020] [Indexed: 11/17/2022] Open
Abstract
Mycobacterium tuberculosis (MTB) is the principal cause of human tuberculosis (TB), which is a serious health problem worldwide. The development of innovative therapeutic modalities to treat TB is mainly due to the emergence of multi drug resistant (MDR) TB. Autophagy is a cell-host defense process. Previous studies have reported that autophagy-activating agents eliminate intracellular MDR MTB. Thus, combining a direct antibiotic activity against circulating bacteria with autophagy activation to eliminate bacteria residing inside cells could treat MDR TB. We show that the synthetic peptide, IP-1 (KFLNRFWHWLQLKPGQPMY), induced autophagy in HEK293T cells and macrophages at a low dose (10 μM), while increasing the dose (50 μM) induced cell death; IP-1 induced the secretion of TNFα in macrophages and killed Mtb at a dose where macrophages are not killed by IP-1. Moreover, IP-1 showed significant therapeutic activity in a mice model of progressive pulmonary TB. In terms of the mechanism of action, IP-1 sequesters ATP in vitro and inside living cells. Thus, IP-1 is the first antimicrobial peptide that eliminates MDR MTB infection by combining four activities: reducing ATP levels, bactericidal activity, autophagy activation, and TNFα secretion.
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Immunological Evaluation for Personalized Interventions in Children with Tuberculosis: Should It Be Routinely Performed? J Immunol Res 2020; 2020:8235149. [PMID: 33005692 PMCID: PMC7509549 DOI: 10.1155/2020/8235149] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2020] [Revised: 07/03/2020] [Accepted: 08/18/2020] [Indexed: 12/14/2022] Open
Abstract
Childhood tuberculosis (TB) is a significant public health problem and the ninth leading cause of death worldwide. Progression of Mycobacterium tuberculosis infection to active disease depends on mycobacterial virulence, environmental diversity, and host susceptibility and immune response. In children, malnutrition and immaturity of the immune system contribute to an inadequate immune response. Coinfections, though rarely described in TB, might be associated with host immune deficiencies. Here, we describe the immunological evaluation of eight pediatric patients infected with a member of the M. tuberculosis complex, most of them with concomitant pulmonary infections (bacteria, viruses, or fungi). We assessed the functionality of several innate immunity receptors, IL-12 receptor, and IFN-γ receptor, as well as the antioxidant levels (glutathione), which are essential mechanisms for fighting intracellular pathogens such as M. tuberculosis. This study is aimed at developing a thorough immunological evaluation of patients with TB and a coinfection.
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Trindade BC, Chen GY. NOD1 and NOD2 in inflammatory and infectious diseases. Immunol Rev 2020; 297:139-161. [PMID: 32677123 DOI: 10.1111/imr.12902] [Citation(s) in RCA: 72] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2020] [Revised: 06/23/2020] [Accepted: 06/24/2020] [Indexed: 12/12/2022]
Abstract
It has been long recognized that NOD1 and NOD2 are critical players in the host immune response, primarily by their sensing bacterial peptidoglycan-conserved motifs. Significant advances have been made from efforts that characterize their upstream activators, assembly of signaling complexes, and activation of downstream signaling pathways. Disruption in NOD1 and NOD2 signaling has also been associated with impaired host defense and resistance to the development of inflammatory diseases. In this review, we will describe how NOD1 and NOD2 sense microbes and cellular stress to regulate host responses that can affect disease pathogenesis and outcomes.
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Affiliation(s)
- Bruno C Trindade
- Division of Hematology and Oncology, Department of Internal Medicine, University of Michigan, Ann Arbor, MI, USA
| | - Grace Y Chen
- Division of Hematology and Oncology, Department of Internal Medicine, University of Michigan, Ann Arbor, MI, USA
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Ruiz A, Sarabia C, Torres M, Juárez E. Resolvin D1 (RvD1) and maresin 1 (Mar1) contribute to human macrophage control of M. tuberculosis infection while resolving inflammation. Int Immunopharmacol 2019; 74:105694. [DOI: 10.1016/j.intimp.2019.105694] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2019] [Revised: 05/26/2019] [Accepted: 06/10/2019] [Indexed: 01/09/2023]
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Takano M, Takeuchi T, Kuriyama S, Yumoto R. Role of peptide transporter 2 and MAPK signaling pathways in the innate immune response induced by bacterial peptides in alveolar epithelial cells. Life Sci 2019; 229:173-179. [DOI: 10.1016/j.lfs.2019.05.042] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2019] [Revised: 05/13/2019] [Accepted: 05/15/2019] [Indexed: 02/07/2023]
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Ruiz A, Guzmán-Beltrán S, Carreto-Binaghi LE, Gonzalez Y, Juárez E. DNA from virulent M. tuberculosis induces TNF-α production and autophagy in M1 polarized macrophages. Microb Pathog 2019; 132:166-177. [PMID: 31054870 DOI: 10.1016/j.micpath.2019.04.041] [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: 12/18/2018] [Revised: 04/15/2019] [Accepted: 04/29/2019] [Indexed: 12/23/2022]
Abstract
The macrophage innate immune response is outlined through recognition of the components of Mycobacterium tuberculosis. DNA of M. tuberculosis (MtbDNA) is recognized by macrophages, but the implications of this recognition are poorly characterized. Stimulation of murine macrophages with MtbDNA induces autophagy, a process that promotes elimination of intracellular pathogens. However, it remains unknown whether this or other phenomena also occur in human cells. In this work, we studied the innate response profiles of human macrophages after stimulation with DNA from virulent M. tuberculosis H37Rv. Human monocyte-derived macrophages were polarized into M1 and M2 phenotypes and stimulated with MtbDNA. The plasma membrane markers of the phenotype, production of TNF-α, and induction of autophagy were evaluated. Our results indicate that MtbDNA induced phenotypical changes, the significant production of TNF-α, and autophagy confirmed by the augmented expression of immunity related GTPase M (IRGM) and autophagy related ATG16L1 genes in M1 macrophages, whereas M2 macrophages exhibited limited responses. In addition, MtbDNA activation was TLR-9-dependent. Although TLR-9 expression was similar between M1 and M2 macrophages, only M1 macrophages were fully responsive to MtbDNA. In conclusion, MtbDNA recognition enhanced the antimicrobial mechanisms of M1 macrophages.
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Affiliation(s)
- Andy Ruiz
- Departamento de Investigación en Microbiología, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas, CDMX, 14080, Mexico; Posgrado en Ciencias Biológicas, Facultad de Medicina, Universidad Nacional Autónoma de México, CDMX, 04510, Mexico
| | - Silvia Guzmán-Beltrán
- Departamento de Investigación en Microbiología, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas, CDMX, 14080, Mexico
| | - Laura E Carreto-Binaghi
- Departamento de Investigación en Microbiología, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas, CDMX, 14080, Mexico
| | - Yolanda Gonzalez
- Departamento de Investigación en Microbiología, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas, CDMX, 14080, Mexico
| | - Esmeralda Juárez
- Departamento de Investigación en Microbiología, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas, CDMX, 14080, Mexico.
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Suarez G, Romero-Gallo J, Piazuelo MB, Sierra JC, Delgado AG, Washington MK, Shah SC, Wilson KT, Peek RM. Nod1 Imprints Inflammatory and Carcinogenic Responses toward the Gastric Pathogen Helicobacter pylori. Cancer Res 2019; 79:1600-1611. [PMID: 30696658 DOI: 10.1158/0008-5472.can-18-2651] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2018] [Revised: 12/21/2018] [Accepted: 01/24/2019] [Indexed: 12/21/2022]
Abstract
Helicobacter pylori (H. pylori) is the strongest known risk for gastric cancer. The H. pylori cag type IV secretion system is an oncogenic locus that translocates peptidoglycan into host cells, where it is recognized by NOD1, an innate immune receptor. Beyond this, the role of NOD1 in H. pylori-induced cancer remains undefined. To address this knowledge gap, we infected two genetic models of Nod1 deficiency with the H. pylori cag + strain PMSS1: C57BL/6 mice, which rarely develop cancer, and INS-GAS FVB/N mice, which commonly develop cancer. Infected C57BL/6 Nod1-/- and INS-GAS Nod1-/- mice acutely developed more severe gastritis, and INS-GAS Nod1-/- mice developed gastric dysplasia more frequently compared with Nod1+/+ mice. Because Nod1 genotype status did not alter microbial phenotypes of in vivo-adapted H. pylori, we investigated host immunologic responses. H. pylori infection of Nod1-/- mice led to significantly increased gastric mucosal levels of Th1, Th17, and Th2 cytokines compared with Nod1 wild-type (WT) mice. To define the role of specific innate immune cells, we quantified cytokine secretion from H. pylori-infected primary gastric organoids generated from WT or Nod1-/- mice that were cocultured with or without WT or Nod1-/- macrophages. Infection increased cytokine production from gastric epithelial cells and macrophages and elevations were significantly increased with Nod1 deficiency. Furthermore, H. pylori infection altered the polarization status of Nod1-/- macrophages compared with Nod1+/+ macrophages. Collectively, these studies demonstrate that loss of Nod1 augments inflammatory and injury responses to H. pylori. Nod1 may exert its restrictive role by altering macrophage polarization, leading to immune evasion and microbial persistence. SIGNIFICANCE: These findings suggest that manipulation of NOD1 may represent a novel strategy to prevent or treat pathologic outcomes induced by H. pylori infection.
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Affiliation(s)
- Giovanni Suarez
- Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Judith Romero-Gallo
- Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Maria B Piazuelo
- Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Johanna C Sierra
- Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Alberto G Delgado
- Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee
| | - M Kay Washington
- Department of Pathology, Microbiology, and Immunology; Vanderbilt University Medical Center, Nashville, Tennessee
| | - Shailja C Shah
- Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Keith T Wilson
- Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee
- Department of Pathology, Microbiology, and Immunology; Vanderbilt University Medical Center, Nashville, Tennessee
| | - Richard M Peek
- Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee.
- Department of Pathology, Microbiology, and Immunology; Vanderbilt University Medical Center, Nashville, Tennessee
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Mekonnen E, Bekele E, Stein CM. Novel polymorphisms in TICAM2 and NOD1 associated with tuberculosis progression phenotypes in Ethiopian populations. Glob Health Epidemiol Genom 2018; 3:e1. [PMID: 29868226 PMCID: PMC5870410 DOI: 10.1017/gheg.2017.17] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2017] [Revised: 12/04/2017] [Accepted: 12/08/2017] [Indexed: 02/05/2023] Open
Abstract
BACKGROUND Infection by Mycobacterium tuberculosis (Mtb) is a necessary but not sufficient cause for tuberculosis (TB). Although numerous studies suggest human genetic variation may influence TB pathogenesis, there is a conspicuous lack of replication, likely due to imprecise phenotype definition. We aimed to replicate novel findings from a Ugandan cohort in Ethiopian populations. METHOD We ascertained TB cases and household controls (n = 292) from three different ethnic groups. Latent Mtb infection was determined using Quantiferon to develop reliable TB progression phenotypes. We sequenced exonic regions of TICAM2 and NOD1. RESULT Significant novel associations were observed between two variants in NOD1 and TB: rs751770147 [unadjusted p = 7.28 × 10-5] and chr7:30477156(T), a novel variant, [unadjusted p = 1.04 × 10-4]. Two SNPs in TICAM2 were nominally associated with TB, including rs2288384 [unadjusted p = 0.003]. Haplotype-based association tests supported the SNP-based results. CONCLUSION We replicated the association of TICAM2 and NOD1 with TB and identified novel genetic associations with TB in Ethiopian populations.
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Affiliation(s)
- E. Mekonnen
- Microbial, Cellular, Molecular Biology Department, Addis Ababa University, P.O.Box:17087, Addis Ababa, Ethiopia
- Health Biotechnology Department, Institute of Biotechnology, Addis Ababa University, P.O.Box:17087, Addis Ababa, Ethiopia
| | - E. Bekele
- Microbial, Cellular, Molecular Biology Department, Addis Ababa University, Ethiopia
| | - C. M. Stein
- Department of Population & Quantitative Health Sciences, Center for Proteomics & Bioinformatics, and Tuberculosis Research Unit, Case Western Reserve University, USA
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Gresnigt MS, Jaeger M, Subbarao Malireddi RK, Rasid O, Jouvion G, Fitting C, Melchers WJG, Kanneganti TD, Carvalho A, Ibrahim-Granet O, van de Veerdonk FL. The Absence of NOD1 Enhances Killing of Aspergillus fumigatus Through Modulation of Dectin-1 Expression. Front Immunol 2017; 8:1777. [PMID: 29326692 PMCID: PMC5733348 DOI: 10.3389/fimmu.2017.01777] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2017] [Accepted: 11/28/2017] [Indexed: 01/01/2023] Open
Abstract
One of the major life-threatening infections for which severely immunocompromised patients are at risk is invasive aspergillosis (IA). Despite the current treatment options, the increasing antifungal resistance and poor outcome highlight the need for novel therapeutic strategies to improve outcome of patients with IA. In the current study, we investigated whether and how the intracellular pattern recognition receptor NOD1 is involved in host defense against Aspergillus fumigatus. When exploring the role of NOD1 in an experimental mouse model, we found that Nod1−/− mice were protected against IA and demonstrated reduced fungal outgrowth in the lungs. We found that macrophages derived from bone marrow of Nod1−/− mice were more efficiently inducing reactive oxygen species and cytokines in response to Aspergillus. Most strikingly, these cells were highly potent in killing A. fumigatus compared with wild-type cells. In line, human macrophages in which NOD1 was silenced demonstrated augmented Aspergillus killing and NOD1 stimulation decreased fungal killing. The differentially altered killing capacity of NOD1 silencing versus NOD1 activation was associated with alterations in dectin-1 expression, with activation of NOD1 reducing dectin-1 expression. Furthermore, we were able to demonstrate that Nod1−/− mice have elevated dectin-1 expression in the lung and bone marrow, and silencing of NOD1 gene expression in human macrophages increases dectin-1 expression. The enhanced dectin-1 expression may be the mechanism of enhanced fungal killing of Nod1−/− cells and human cells in which NOD1 was silenced, since blockade of dectin-1 reversed the augmented killing in these cells. Collectively, our data demonstrate that NOD1 receptor plays an inhibitory role in the host defense against Aspergillus. This provides a rationale to develop novel immunotherapeutic strategies for treatment of aspergillosis that target the NOD1 receptor, to enhance the efficiency of host immune cells to clear the infection by increasing fungal killing and cytokine responses.
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Affiliation(s)
- Mark S Gresnigt
- Unité de recherche Cytokines and Inflammation, Institut Pasteur, Paris, France.,Laboratory for Experimental Internal Medicine, Department of Internal Medicine, Radboud University Medical Center, Nijmegen, Netherlands
| | - Martin Jaeger
- Laboratory for Experimental Internal Medicine, Department of Internal Medicine, Radboud University Medical Center, Nijmegen, Netherlands
| | - R K Subbarao Malireddi
- Department of Immunology, St. Jude Children's Research Hospital, Memphis, TN, United States
| | - Orhan Rasid
- Unité de recherche Cytokines and Inflammation, Institut Pasteur, Paris, France
| | - Grégory Jouvion
- Unité Histopathologie Humaine et Modèles Animaux, Département Infection et Epidémiologie, Institut Pasteur, Paris, France
| | - Catherine Fitting
- Unité de recherche Cytokines and Inflammation, Institut Pasteur, Paris, France
| | - Willem J G Melchers
- Department of Medical Microbiology, Radboud University Medical Centre, Nijmegen, Netherlands
| | | | - Agostinho Carvalho
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal.,ICVS/3B's - PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | | | - Frank L van de Veerdonk
- Laboratory for Experimental Internal Medicine, Department of Internal Medicine, Radboud University Medical Center, Nijmegen, Netherlands
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16
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Lenz JD, Hackett KT, Dillard JP. A Single Dual-Function Enzyme Controls the Production of Inflammatory NOD Agonist Peptidoglycan Fragments by Neisseria gonorrhoeae. mBio 2017; 8:e01464-17. [PMID: 29042497 PMCID: PMC5646250 DOI: 10.1128/mbio.01464-17] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2017] [Accepted: 09/18/2017] [Indexed: 01/15/2023] Open
Abstract
Neisseria gonorrhoeae gonococcus (GC) is a Gram-negative betaproteobacterium and causative agent of the sexually transmitted infection gonorrhea. During growth, GC releases lipooligosaccharide (LOS) and peptidoglycan (PG) fragments, which contribute significantly to the inflammatory damage observed during human infection. In ascending infection of human Fallopian tubes, inflammation leads to increased risk of ectopic pregnancy, pelvic inflammatory disease, and sterility. Of the PG fragments released by GC, most are disaccharide peptide monomers, and of those, 80% have tripeptide stems despite the observation that tetrapeptide stems make up 80% of the assembled cell wall. We identified a serine-protease l,d-carboxypeptidase, NGO1274 (LdcA), as the enzyme responsible for converting cell wall tetrapeptide-stem PG to released tripeptide-stem PG. Unlike characterized cytoplasmic LdcA homologs in gammaproteobacteria, LdcA in GC is exported to the periplasm, and its localization is critical for its activity in modifying PG fragments for release. Distinct among other characterized l,d-carboxypeptidases, LdcA from GC is also capable of catalyzing the cleavage of specific peptide cross-bridges (endopeptidase activity). To define the role of ldcA in pathogenesis, we demonstrate that ldcA disruption results in both loss of NOD1-dependent NF-κB activation and decreased NOD2-dependent NF-κB activation while not affecting Toll-like receptor (TLR) agonist release. Since the human intracellular peptidoglycan receptor NOD1 (hNOD1) specifically recognizes PG fragments with a terminal meso-DAP rather than d-alanine, we conclude that LdcA is required for GC to provoke NOD1-dependent responses in cells of the human host.IMPORTANCE The macromolecular meshwork of peptidoglycan serves essential functions in determining bacterial cell shape, protecting against osmotic lysis, and defending cells from external assaults. The conserved peptidoglycan structure, however, is also recognized by eukaryotic pattern recognition receptors, which can trigger immune responses against bacteria. Many bacteria can induce an inflammatory response through the intracellular peptidoglycan receptor NOD1, but Neisseria gonorrhoeae serves as an extreme example, releasing fragments of peptidoglycan into the environment during growth that specifically antagonize human NOD1. Understanding the peptidoglycan breakdown mechanisms that allow Neisseria to promote NOD1 activation, rather than avoiding or suppressing immune detection, is critical to understanding the pathogenesis of this increasingly drug-resistant organism. We identify a peptidoglycan l,d-carboxypeptidase responsible for converting liberated peptidoglycan fragments into the human NOD1 agonist and find that the same enzyme has endopeptidase activity on certain peptidoglycan cross-links, the first described combination of those two activities in a single enzyme.
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Affiliation(s)
- Jonathan D Lenz
- Department of Medical Microbiology and Immunology, University of Wisconsin-Madison, Madison, Wisconsin, USA
| | - Kathleen T Hackett
- Department of Medical Microbiology and Immunology, University of Wisconsin-Madison, Madison, Wisconsin, USA
| | - Joseph P Dillard
- Department of Medical Microbiology and Immunology, University of Wisconsin-Madison, Madison, Wisconsin, USA
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17
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Abstract
OBJECTIVE To explore the role of Erbin protein and nucleotide-binding oligomerization domain 2/receptor-interacting serine/threonine protein kinases (NOD2/RICK) in GTS-21 activating cholinergic anti-inflammatory pathway. METHODS Experiments were randomly divided into four groups: normal control (NC) group, muramyl dipeptide (MDP) group, 10 μg/mL MDP, GTS-21 (GTS) group, 10 μg/mL MDP plus 50 μg/mL GTS-21 (α7 nAChRs agonist), Erbin shRNA interference (sh-Erbin) group: sh-Erbin RNA plus 10 μg/mL MDP and 50 μg/mL GTS-21. We extract specimens at the point of 1, 6, and 24 h after stimulation of MDP in Raw264.7 macrophages. RESULTS After stimulation of MDP, the NLR2 mRNA, RICK and Erbin protein, nuclear factor (NF)-κB activity, the pro-inflammatory cytokines tumor necrosis factor (TNF)-α and HMGB1 were significantly increased in MDP group (P <0.05). The expression peak of TNF-α is at 1 h. The peak of HMGB1 is at 24 h. Compared with MDP group, the NLR2 mRNA, RICK, NF-κB, TNF-α, and HMGB1 were significantly decreased, but the Erbin was increased in GTS group (P <0.05). Compared with GTS group, the NLR2 mRNA, RICK, NF-κB, TNF-α, and HMGB1 increase in sh-Erbin group (P <0.05). CONCLUSION GTS-21 could significantly inhibit MDP-induced pro-inflammatory cytokines responses via activating cholinergic anti-inflammatory pathway, and the Erbin might be the key negative regulatory protein in NLR2/RICK signal transduction.
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18
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Tao Z, Zhu C, Song W, Xu W, Zhang S, Liu H, Li H. Inductive expression of the NOD1 signalling pathway in chickens infected with Salmonella pullorum. Br Poult Sci 2017; 58:242-250. [PMID: 28084794 DOI: 10.1080/00071668.2017.1280771] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
1. The aim of this study was to describe the role of Nucleotide-binding oligomerization domain-containing protein 1 (NOD1) receptor signalling in chicken. 2. Tissue-specific expression analysis of NOD1, receptor-interacting serine-threonine kinase 2 (RIPK2), nuclear factor kappa B (NF-κB) and mitogen-activated protein kinase 11 (MAPK11 or p38) by quantitative real-time PCR (qRT-PCR) revealed their wide distribution in various organs and tissues. 3. Salmonella pullorum infection activated NOD1 receptor signalling in vivo and in vitro, resulting in significant induction of downstream signalling molecules RIPK2, NF-κB/p65, MAPK11/p38 and the effector molecules IL-1b and IL-8. 4. Activation of NOD1 by its agonist bacterial γ-D-glutamyl-meso-diaminopimelic acid (iE-DAP) in HD11 cells induced the adapter molecular RIPK2 and activated the NF-κB/p65 and MAPK11/p38 pathways, resulting in an increase in IL-8 but not IL-1β. Additionally, inhibition of NOD1 using NOD1-shRNA resulted in downregulation of RIPK2, MAPK11 and IL-8, while NF-κB/p65 and IL-1β were unaltered. 5. These results highlight the important role of NOD1 receptors in eliciting the innate immune response following pathogenic invasion in chicken.
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Affiliation(s)
- Z Tao
- a Jiangsu Institute of Poultry Sciences , Yangzhou , Jiangsu 225125 , China
| | - C Zhu
- a Jiangsu Institute of Poultry Sciences , Yangzhou , Jiangsu 225125 , China
| | - W Song
- a Jiangsu Institute of Poultry Sciences , Yangzhou , Jiangsu 225125 , China
| | - W Xu
- a Jiangsu Institute of Poultry Sciences , Yangzhou , Jiangsu 225125 , China
| | - S Zhang
- a Jiangsu Institute of Poultry Sciences , Yangzhou , Jiangsu 225125 , China
| | - H Liu
- a Jiangsu Institute of Poultry Sciences , Yangzhou , Jiangsu 225125 , China
| | - H Li
- a Jiangsu Institute of Poultry Sciences , Yangzhou , Jiangsu 225125 , China
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19
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Multifaceted Functions of NOD-Like Receptor Proteins in Myeloid Cells at the Intersection of Innate and Adaptive Immunity. Microbiol Spectr 2016; 4. [DOI: 10.1128/microbiolspec.mchd-0021-2015] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
NOD-like receptor (NLR) proteins, as much as Toll-like receptor proteins, play a major role in modulating myeloid cells in their immune functions. There is still, however, limited knowledge on the expression and function of several of the mammalian NLR proteins in myeloid lineages. Still, the function of pyrin domain-containing NLR proteins and NLRC4/NAIP as inflammasome components that drive interleukin-1β (IL-1β) and IL-18 maturation and secretion upon pathogen stimulation is well established. NOD1, NOD2, NLRP3, and NLRC4/NAIP act as bona fide pattern recognition receptors (PRRs) that sense microbe-associated molecular patterns (MAMPs) but also react to endogenous danger-associated molecular patterns (DAMPs). Ultimately, activation of these receptors achieves macrophage activation and maturation of dendritic cells to drive antigen-specific adaptive immune responses. Upon infection, sensing of invading pathogens and likely of DAMPs that are released in response to tissue injury is a process that involves multiple PRRs in both myeloid and epithelial cells, and these act in concert to design tailored, pathogen-adapted immune responses by induction of different cytokine profiles, giving rise to appropriate lymphocyte polarization.
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20
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Guzmán-Beltrán S, Rubio-Badillo MÁ, Juárez E, Hernández-Sánchez F, Torres M. Nordihydroguaiaretic acid (NDGA) and α-mangostin inhibit the growth of Mycobacterium tuberculosis by inducing autophagy. Int Immunopharmacol 2016; 31:149-57. [DOI: 10.1016/j.intimp.2015.12.027] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2015] [Revised: 12/17/2015] [Accepted: 12/18/2015] [Indexed: 01/09/2023]
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21
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Netea-Maier RT, Plantinga TS, van de Veerdonk FL, Smit JW, Netea MG. Modulation of inflammation by autophagy: Consequences for human disease. Autophagy 2015. [PMID: 26222012 PMCID: PMC4836004 DOI: 10.1080/15548627.2015.1071759] [Citation(s) in RCA: 251] [Impact Index Per Article: 27.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
Abstract
Autophagy and inflammation are 2 fundamental biological processes involved in both physiological and pathological conditions. Through its crucial role in maintaining cellular homeostasis, autophagy is involved in modulation of cell metabolism, cell survival, and host defense. Defective autophagy is associated with pathological conditions such as cancer, autoimmune disease, neurodegenerative disease, and senescence. Inflammation represents a crucial line of defense against microorganisms and other pathogens, and there is increasing evidence that autophagy has important effects on the induction and modulation of the inflammatory reaction; understanding the balance between these 2 processes may point to important possibilities for therapeutic targeting. This review focuses on the crosstalk between autophagy and inflammation as an emerging field with major implications for understanding the host defense on the one hand, and for the pathogenesis and treatment of immune-mediated diseases on the other hand.
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Affiliation(s)
- Romana T Netea-Maier
- a Department of Internal Medicine , Radboud University Medical Center , Nijmegen , The Netherlands.,b Division of Endocrinology, Radboud University Medical Center , Nijmegen , The Netherlands
| | - Theo S Plantinga
- a Department of Internal Medicine , Radboud University Medical Center , Nijmegen , The Netherlands
| | - Frank L van de Veerdonk
- a Department of Internal Medicine , Radboud University Medical Center , Nijmegen , The Netherlands.,c Radboud Center for Infectious Diseases, Radboud University Medical Center , Nijmegen , The Netherlands
| | - Johannes W Smit
- a Department of Internal Medicine , Radboud University Medical Center , Nijmegen , The Netherlands.,b Division of Endocrinology, Radboud University Medical Center , Nijmegen , The Netherlands
| | - Mihai G Netea
- a Department of Internal Medicine , Radboud University Medical Center , Nijmegen , The Netherlands.,c Radboud Center for Infectious Diseases, Radboud University Medical Center , Nijmegen , The Netherlands
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22
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Wang HL, Fan SS, Pang M, Liu YH, Guo M, Liang JB, Zhang JL, Yu BF, Guo R, Xie J, Zheng GP. The Ankyrin Repeat Domain 49 (ANKRD49) Augments Autophagy of Serum-Starved GC-1 Cells through the NF-κB Pathway. PLoS One 2015; 10:e0128551. [PMID: 26043108 PMCID: PMC4455995 DOI: 10.1371/journal.pone.0128551] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2014] [Accepted: 04/28/2015] [Indexed: 11/18/2022] Open
Abstract
The ankyrin repeat domain 49 (ANKRD49) is an evolutionarily conserved protein highly expressed in testes. However, the function of ANKRD49 in spermatogenesis is unknown. In this study, we found that ANKRD49 resides primarily in nucleus of spermatogonia, spermatocytes and round spermatids. ANKRD49 overexpression augments starvation-induced autophagy in male germ GC-1 cells whereas shRNA knockdown of ANKRD49 attenuates the autophagy. Inhibition of NF-κB pathway by its inhibitors or p65 siRNA prevents the ANKRD49-dependent autophagy augmentation, demonstrating that ANKRD49 enhances autophagy via NF-κB pathway. Our findings suggest that ANKRD49 plays an important role in spermatogenesis via promotion of autophagy-dependent survival.
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Affiliation(s)
- Hai-long Wang
- Department of Biochemistry and Molecular Biology, Shanxi Medical University, Taiyuan, Shanxi, 030001, PR China
| | - Sha-sha Fan
- Department of Biochemistry and Molecular Biology, Shanxi Medical University, Taiyuan, Shanxi, 030001, PR China
| | - Min Pang
- Department of Respiratory, the First Affiliated Hospital, Shanxi Medical University, Taiyuan, Shanxi, 030001, PR China
| | - Yi-heng Liu
- Class 041002, Department of Anestesioloy, Shanxi Medical University, Taiyuan, Shanxi, 030001, PR China
| | - Min Guo
- Center of Laboratory Animal, Shanxi Medical University, Taiyuan, Shanxi, 030001, PR China
| | - Jun-bo Liang
- State Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences, Peking Union Medical College, Tsinghua University, 5 Dong Dan San Tiao, Beijing, 100005, China
| | - Jian-lin Zhang
- Department of Biochemistry and Molecular Biology, Shanxi Medical University, Taiyuan, Shanxi, 030001, PR China
| | - Bao-feng Yu
- Department of Biochemistry and Molecular Biology, Shanxi Medical University, Taiyuan, Shanxi, 030001, PR China
| | - Rui Guo
- Department of Biochemistry and Molecular Biology, Shanxi Medical University, Taiyuan, Shanxi, 030001, PR China
- * E-mail: (RG); (JX); (GPZ)
| | - Jun Xie
- Department of Biochemistry and Molecular Biology, Shanxi Medical University, Taiyuan, Shanxi, 030001, PR China
- * E-mail: (RG); (JX); (GPZ)
| | - Guo-ping Zheng
- Department of Biochemistry and Molecular Biology, Shanxi Medical University, Taiyuan, Shanxi, 030001, PR China
- * E-mail: (RG); (JX); (GPZ)
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23
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Chatterjee S. The Lung Immune Niche in Tuberculosis: Insights from Studies on Human Alveolar Macrophages. CURRENT TROPICAL MEDICINE REPORTS 2015. [DOI: 10.1007/s40475-015-0047-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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