Results 71 to 80 of about 33,269 (261)

Molecular characterization of phagosomes.

Journal of Biological Chemistry, 1994
The transformation of newly formed phagosomes into mature phagolysosomes is a process that involves a complex series of interactions between phagosomes and other vacuolar organelles. The machinery required by phagosomes to mediate these interactions is poorly understood.
Desjardins, M., Celis, J.E., van Meer, G., Dieplinger, H., Jahraus, A., Griffiths, G., Huber, L.A.   +6 more
openaire   +4 more sources

Conjugated Porphyrin Polymer With Superior Charge Transfer for Photodynamic‐Immunomodulatory Prevention of CIED Infection in Diabetes

Advanced Healthcare Materials, EarlyView.
Under NIR irradiation, PTCPP generates ROS to eliminate MRSA biofilms and promote M1 macrophage polarization for phagocytosis. After bacterial clearance, the material is phagocytosed by macrophages, shifting their polarization to M2 phenotype via metabolic reprogramming, which synergistically enhances anti‐infection therapy and wound healing.
Honghao Ma, Jinguo Xu, Rongrong Gu, Chuanhui Dong, Te Chen, Yi Mu, Jing Zhu, Yating Wang, Wen Wang, Yingying Zhang, Hongyu Ma, Xiaochen Wang, Sheng Ye, Cheng Cheng   +13 more
wiley   +1 more source

M. tuberculosis-Initiated Human Mannose Receptor Signaling Regulates Macrophage Recognition and Vesicle Trafficking by FcRγ-Chain, Grb2, and SHP-1

Cell Reports, 2017
Despite its prominent role as a C-type lectin (CTL) pattern recognition receptor, mannose receptor (MR, CD206)-specific signaling molecules and pathways are unknown.
Murugesan V.S. Rajaram, Eusondia Arnett, Abul K. Azad, Evelyn Guirado, Bin Ni, Abigail D. Gerberick, Li-Zhen He, Tibor Keler, Lawrence J. Thomas, William P. Lafuse, Larry S. Schlesinger   +10 more
doaj   +1 more source

Stable accumulation of p67phox at the phagosomal membrane and ROS production within the phagosome [PDF]

Journal of Leukocyte Biology, 2011
ABSTRACT Production of ROS by the leukocyte NADPH oxidase is essential for the destruction of pathogenic bacteria inside phagosomes. The enzyme is a complex of cytosolic and membranous subunits that need to assemble upon activation. Biochemical data suggest that the complex is renewed continuously during activity.
Tlili, Asma, Erard, Marie, Faure, Marie-Cécile, Baudin, Xavier, Piolot, Tristan, Dupré-Crochet, Sophie, Nüsse, Oliver   +6 more
openaire   +2 more sources

LC3B Mediated SETDB1‐Accounted Alcoholic Steatohepatitis via Lipidation‐Dependent LAP and Lipidation‐Independent Nuclear Stabilization

Advanced Science, EarlyView.
SETDB1 is progressively downregulated in ALD, correlating with disease severity. SETDB1 deficiency impairs LAP by disrupting Rubicon membrane localization, leading to defective lipid droplet clearance. Concurrently, loss of SETDB1 reduces nuclear LC3B, causing R‐loop accumulation and cGAS‐STING‐driven inflammation. Lipidated LC3B mediates LAP‐dependent
Yi Zhang, Tan Wei, Jiahang Wu, Chuixu Lin, Dongbo Zhu, Yanhui Li, Shuting Shi, Shishun Huang, Leiming Jiang, Hongzhi Wang, Meiqi Song, Pengfei Gao, Xu Wu, Mingjian Fan, Chaofeng Wei, Qian Wang, Lihui Qu, Zhigang Wang   +17 more
wiley   +1 more source

Thioredoxin-Interacting Protein Promotes Phagosomal Acidification Upon Exposure to Escherichia coli Through Inflammasome-Mediated Caspase-1 Activation in Macrophages

Frontiers in Immunology, 2019
In host defense, it is crucial to maintain the acidity of the macrophage phagosome for effective bacterial clearance. However, the mechanisms governing phagosomal acidification upon exposure to gram-negative bacteria have not been fully elucidated.
Sung-Jin Yoon, Dong Hyun Jo, Seung-Ho Park, Jun-Young Park, Yoo-Kyung Lee, Moo-Seung Lee, Jeong-Ki Min, Haiyoung Jung, Tae-Don Kim, Suk Ran Yoon, Su Wol Chung, Jeong Hun Kim, Jeong Hun Kim, Inpyo Choi, Young-Jun Park   +14 more
doaj   +1 more source

The Phagosome Proteome [PDF]

The Journal of Cell Biology, 2001
Phagosomes are key organelles for the innate ability of macrophages to participate in tissue remodeling, clear apoptotic cells, and restrict the spread of intracellular pathogens. To understand the functions of phagosomes, we initiated the systematic identification of their proteins.
Jérome Garin, Roberto Diez, Sylvie Kieffer, Jean-François Dermine, Sophie Duclos, Etienne Gagnon, Remy Sadoul, Christiane Rondeau, Michel Desjardins   +8 more
openaire   +1 more source

H2S‐Amplified “Three‐in‐One” Antibacterial Strategy for Periodontitis Treatment Using a Photosensitive Pillararene‐Embedded COF/MOF Hybrid

Advanced Science, EarlyView.
The integration of ROS‐generating systems with H2S depletion strategies effectively overcomes the limitations imposed by endogenous antioxidant defenses on ROS‐based antimicrobial therapies. In this study, the Cu‐MOF is incorporated into pillararene‐embedded COF, achieving a “three‐in‐one” antimicrobial effect that markedly alleviated periodontal ...
Shuang Liang, Meng‐Hao Li, Liang Cheng, Tian‐Shou Zhang, Hui Hui, Yan Wang, Hong‐Pu Zhang, Bo‐Wen Liu, Lin Wang, Ying‐Wei Yang   +9 more
wiley   +1 more source

Herba Lysimachiae Polysaccharide‐Modified Selenium Nanoparticles Alleviate Oxidative Injury in Kidney Stones via TOMM22‐Regulated Mitophagy Activation

Advanced Science, EarlyView.
HLP‐SeNPs, a Lysimachia christinae polysaccharide‐modified selenium nanoparticle, treat kidney stones by downregulating TOMM22 expression, which reduces PINK1 translocation into mitochondria and promotes its retention on the outer mitochondrial membrane.
Junyi Yang, Guoruiyu Lyu, Wenlong Wan, Dongfeng Yuan, Jiabo Li, Yongqi Wang, Baokang Wang, Zhilong Ma, Yuanyuan Yang, Yang Xun, Xiao Yu   +10 more
wiley   +1 more source

Phagosome-lysosome fusion is a calcium-independent event in macrophages. [PDF]

, 1996
Phagosome-lysosome membrane fusion is a highly regulated event that is essential for intracellular killing of microorganisms. Functionally, it represents a form of polarized regulated secretion, which is classically dependent on increases in ...
J D Ernst, S Zimmerli, Sanan, DA, Ernst, JD, M Gustavsson, Gustavsson, M, Majeed, Meytham,, M Majeed, Zimmerli, S, Stendahl, Olle,, D A Sanan, Ernst, Joel D.,, Gustafsson, Mikael,, Majeed, M, Sanan, David A.,, Stendahl, O, O Stendahl, Zimmerli, Stefan,   +17 more
core   +1 more source