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Li X, Zhou J, Liu X, Jin C, Liu L, Sun H, Wang Q, Wang Q, Liu R, Zheng X, Liu Y, Pang Y. Nucleoside-diphosphate kinase of uropathogenic Escherichia coli inhibits caspase-1-dependent pyroptosis facilitating urinary tract infection. Cell Rep 2024; 43:114051. [PMID: 38564334 DOI: 10.1016/j.celrep.2024.114051] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Revised: 02/19/2024] [Accepted: 03/19/2024] [Indexed: 04/04/2024] Open
Abstract
Uropathogenic Escherichia coli (UPEC) is the most common causative agent of urinary tract infection (UTI). UPEC invades bladder epithelial cells (BECs) via fusiform vesicles, escapes into the cytosol, and establishes biofilm-like intracellular bacterial communities (IBCs). Nucleoside-diphosphate kinase (NDK) is secreted by pathogenic bacteria to enhance virulence. However, whether NDK is involved in UPEC pathogenesis remains unclear. Here, we find that the lack of ndk impairs the colonization of UPEC CFT073 in mouse bladders and kidneys owing to the impaired ability of UPEC to form IBCs. Furthermore, we demonstrate that NDK inhibits caspase-1-dependent pyroptosis by consuming extracellular ATP, preventing superficial BEC exfoliation, and promoting IBC formation. UPEC utilizes the reactive oxygen species (ROS) sensor OxyR to indirectly activate the regulator integration host factor, which then directly activates ndk expression in response to intracellular ROS. Here, we reveal a signaling transduction pathway that UPEC employs to inhibit superficial BEC exfoliation, thus facilitating acute UTI.
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Affiliation(s)
- Xueping Li
- TEDA Institute of Biological Sciences and Biotechnology, Nankai University, Tianjin 300457, P.R. China; The Key Laboratory of Molecular Microbiology and Technology, TEDA Institute of Biological Sciences and Biotechnology, Nankai University, Ministry of Education, Tianjin 300457, P.R. China
| | - Jiarui Zhou
- TEDA Institute of Biological Sciences and Biotechnology, Nankai University, Tianjin 300457, P.R. China; The Key Laboratory of Molecular Microbiology and Technology, TEDA Institute of Biological Sciences and Biotechnology, Nankai University, Ministry of Education, Tianjin 300457, P.R. China
| | - Xingmei Liu
- TEDA Institute of Biological Sciences and Biotechnology, Nankai University, Tianjin 300457, P.R. China; The Key Laboratory of Molecular Microbiology and Technology, TEDA Institute of Biological Sciences and Biotechnology, Nankai University, Ministry of Education, Tianjin 300457, P.R. China
| | - Chen Jin
- TEDA Institute of Biological Sciences and Biotechnology, Nankai University, Tianjin 300457, P.R. China; The Key Laboratory of Molecular Microbiology and Technology, TEDA Institute of Biological Sciences and Biotechnology, Nankai University, Ministry of Education, Tianjin 300457, P.R. China
| | - Le Liu
- TEDA Institute of Biological Sciences and Biotechnology, Nankai University, Tianjin 300457, P.R. China; The Key Laboratory of Molecular Microbiology and Technology, TEDA Institute of Biological Sciences and Biotechnology, Nankai University, Ministry of Education, Tianjin 300457, P.R. China
| | - Hongmin Sun
- TEDA Institute of Biological Sciences and Biotechnology, Nankai University, Tianjin 300457, P.R. China; The Key Laboratory of Molecular Microbiology and Technology, TEDA Institute of Biological Sciences and Biotechnology, Nankai University, Ministry of Education, Tianjin 300457, P.R. China
| | - Qian Wang
- TEDA Institute of Biological Sciences and Biotechnology, Nankai University, Tianjin 300457, P.R. China; The Key Laboratory of Molecular Microbiology and Technology, TEDA Institute of Biological Sciences and Biotechnology, Nankai University, Ministry of Education, Tianjin 300457, P.R. China
| | - Qiushi Wang
- TEDA Institute of Biological Sciences and Biotechnology, Nankai University, Tianjin 300457, P.R. China; The Key Laboratory of Molecular Microbiology and Technology, TEDA Institute of Biological Sciences and Biotechnology, Nankai University, Ministry of Education, Tianjin 300457, P.R. China
| | - Ruiying Liu
- TEDA Institute of Biological Sciences and Biotechnology, Nankai University, Tianjin 300457, P.R. China; The Key Laboratory of Molecular Microbiology and Technology, TEDA Institute of Biological Sciences and Biotechnology, Nankai University, Ministry of Education, Tianjin 300457, P.R. China
| | - Xiaoyu Zheng
- TEDA Institute of Biological Sciences and Biotechnology, Nankai University, Tianjin 300457, P.R. China; The Key Laboratory of Molecular Microbiology and Technology, TEDA Institute of Biological Sciences and Biotechnology, Nankai University, Ministry of Education, Tianjin 300457, P.R. China
| | - Yutao Liu
- TEDA Institute of Biological Sciences and Biotechnology, Nankai University, Tianjin 300457, P.R. China; The Key Laboratory of Molecular Microbiology and Technology, TEDA Institute of Biological Sciences and Biotechnology, Nankai University, Ministry of Education, Tianjin 300457, P.R. China.
| | - Yu Pang
- TEDA Institute of Biological Sciences and Biotechnology, Nankai University, Tianjin 300457, P.R. China; The Key Laboratory of Molecular Microbiology and Technology, TEDA Institute of Biological Sciences and Biotechnology, Nankai University, Ministry of Education, Tianjin 300457, P.R. China.
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Reyaz E, Puri N, Selvapandiyan A. Global Remodeling of Host Proteome in Response to Leishmania Infection. ACS Infect Dis 2024; 10:5-19. [PMID: 38084821 DOI: 10.1021/acsinfecdis.3c00492] [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] [Indexed: 01/13/2024]
Abstract
The protozoan parasite Leishmania possesses an intrinsic ability to modulate a multitude of pathways in the host, toward aiding its own proliferation. In response, the host reprograms its cellular, immunological, and metabolic machinery to evade the parasite's lethal impact. Besides inducing various antioxidant signaling pathways to counter the elevated stress response proteins like heme oxygenase-1 (HO-1), Leishmania also attempts to delay host cell apoptosis by promoting anti-apoptotic proteins like Bcl-2. The downstream modulation of apoptotic proteins is regulated by effector pathways, including the PI3K/Akt survival pathway, the mitogen-activated protein kinases (MAPKs) signaling pathway, and STAT phosphorylation. In addition, Leishmania assists in its infection in a time-dependent manner by modulating the level of various proteins of autophagic machinery. Immune effector cells, such as mast cells and neutrophils, entrap and kill the pathogen by secreting various granular proteins. In contrast, the host macrophages exert their leishmanicidal effect by secreting various cytokines, such as IL-2, IL-12, etc. An interplay of various signaling pathways occurs in an organized network that is highly specific to both pathogen and host species. This Review analyzes the modulation of expression of proteins, including the cytokines, providing a realistic approach toward understanding the pathophysiology of disease and predicting some prominent markers for disease intervention and vaccine support strategies.
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Affiliation(s)
- Enam Reyaz
- Department of Molecular Medicine, Jamia Hamdard, New Delhi 110062, India
| | - Niti Puri
- School of Life Sciences, Jawaharlal Nehru University, New Delhi 110067, India
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Singh S, Yadav PK, Singh AK. In-silico structural characterization and phylogenetic analysis of Nucleoside diphosphate kinase: A novel antiapoptotic protein of Porphyromonas gingivalis. J Cell Biochem 2023; 124:545-556. [PMID: 36815439 DOI: 10.1002/jcb.30389] [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: 12/15/2022] [Revised: 02/02/2023] [Accepted: 02/09/2023] [Indexed: 02/24/2023]
Abstract
The Nucleoside diphosphate kinase (NDK) protein of Porphyromonas gingivalis (P. gingivalis) plays a crucial role in immune evasion and inhibition of apoptosis in host cells and has the potential to cause cancer. However, its structure has not yet been characterized. We used an in-silico approach to determine the 3D structure of the P. gingivalis NDK. Furthermore, structural characterization and functional annotation were performed using computational approaches. The 3D structure of NDK was predicted through homology modeling. The structural domains predicted for the model protein belong to the NDK family. Structural alignment of prokaryotic and eukaryotic NDKs with the model protein revealed the conservation of the domain region. Structure-based phylogenetic analysis depicted a significant evolutionary relationship between the model protein and the prokaryotic NDK. Functional annotation of the model confirmed structural homology, exhibiting similar enzymatic functions as NDK, including ATP binding and nucleoside diphosphate kinase activity. Furthermore, molecular dynamic (MD) simulation technique stabilized the model structure and provides a thermo-stable protein structure that can be used as a therapeutic target for further studies.
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Affiliation(s)
- Suchitra Singh
- Department of Bioinformatics, Central University of South Bihar, Gaya, India
| | - Piyush Kumar Yadav
- Department of Bioinformatics, Central University of South Bihar, Gaya, India
| | - Ajay Kumar Singh
- Department of Bioinformatics, Central University of South Bihar, Gaya, India
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Selvapandiyan A, Puri N, Kumar P, Alam A, Ehtesham NZ, Griffin G, Hasnain SE. Zooming in on common immune evasion mechanisms of pathogens in phagolysosomes: potential broad-spectrum therapeutic targets against infectious diseases. FEMS Microbiol Rev 2023; 47:6780197. [PMID: 36309472 DOI: 10.1093/femsre/fuac041] [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: 05/29/2022] [Revised: 10/06/2022] [Accepted: 10/18/2022] [Indexed: 01/19/2023] Open
Abstract
The intracellular viral, bacterial, or parasitic pathogens evade the host immune challenges to propagate and cause fatal diseases. The microbes overpower host immunity at various levels including during entry into host cells, phagosome formation, phagosome maturation, phagosome-lysosome fusion forming phagolysosomes, acidification of phagolysosomes, and at times after escape into the cytosol. Phagolysosome is the final organelle in the phagocyte with sophisticated mechanisms to degrade the pathogens. The immune evasion strategies by the pathogens include the arrest of host cell apoptosis, decrease in reactive oxygen species, the elevation of Th2 anti-inflammatory response, avoidance of autophagy and antigen cross-presentation pathways, and escape from phagolysosomal killing. Since the phagolysosome organelle in relation to infection/cure is seldom discussed in the literature, we summarize here the common host as well as pathogen targets manipulated or utilized by the pathogens established in phagosomes and phagolysosomes, to hijack the host immune system for their benefit. These common molecules or pathways can be broad-spectrum therapeutic targets for drug development for intervention against infectious diseases caused by different intracellular pathogens.
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Affiliation(s)
| | - Niti Puri
- Cellular and Molecular Immunology Laboratory, School of Life Sciences, Jawaharlal Nehru University, New Delhi, 110067, India
| | - Pankaj Kumar
- Department of Biochemistry, Jamia Hamdard, New Delhi, 110062, India.,Centre for Tuberculosis Research, Department of Medicine, Johns Hopkins University, Baltimore, MD, 21218, United States
| | - Anwar Alam
- ICMR-National Institute of Pathology, Safdarjung Hospital Campus, New Delhi, 110029, India.,Department of Biochemical Engineering and Biotechnology, Indian Institute of Technology-Delhi, New Delhi, 110016, India
| | - Nasreen Zafar Ehtesham
- ICMR-National Institute of Pathology, Safdarjung Hospital Campus, New Delhi, 110029, India
| | - George Griffin
- Department of Cellular and Molecular Medicine, St. George's University of London, London, SW17 0RE, United Kingdom
| | - Seyed Ehtesham Hasnain
- Department of Biochemical Engineering and Biotechnology, Indian Institute of Technology-Delhi, New Delhi, 110016, India.,Department of Life Science, School of Basic Sciences and Research, Sharda University, Knowledge Park III, Greater Noida, 201310, India
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