Macrophages in immunoregulation and therapeutics

S Chen, AFUH Saeed, Q Liu, Q Jiang, H Xu… - … and Targeted Therapy, 2023 - nature.com
Macrophages exist in various tissues, several body cavities, and around mucosal surfaces
and are a vital part of the innate immune system for host defense against many pathogens …

Building the phagocytic cup on an actin scaffold

M Krendel, NC Gauthier - Current opinion in cell biology, 2022 - Elsevier
Cells ingest large particles, such as bacteria, viruses, or apoptotic cells, via the process of
phagocytosis, which involves formation of an actin-rich structure known as the phagocytic …

Single-cell topographical profiling of the immune synapse reveals a biomechanical signature of cytotoxicity

M de Jesus, AH Settle, D Vorselen, TK Gaetjens… - Science …, 2024 - science.org
Immune cells have intensely physical lifestyles characterized by structural plasticity and
force exertion. To investigate whether specific immune functions require stereotyped …

[HTML][HTML] Direct activation of microglia by β-glucosylceramide causes phagocytosis of neurons that exacerbates Gaucher disease

T Shimizu, CR Schutt, Y Izumi, N Tomiyasu, Z Omahdi… - Immunity, 2023 - cell.com
Gaucher disease (GD) is the most common lysosomal storage disease caused by recessive
mutations in the degrading enzyme of β-glucosylceramide (β-GlcCer). However, it remains …

A theoretical model of efficient phagocytosis driven by curved membrane proteins and active cytoskeleton forces

RK Sadhu, SR Barger, S Penič, A Iglič, M Krendel… - Soft Matter, 2023 - pubs.rsc.org
Phagocytosis is the process of engulfment and internalization of comparatively large
particles by cells, and plays a central role in the functioning of our immune system. We study …

Coral–algal endosymbiosis characterized using RNAi and single-cell RNA-seq

M Hu, Y Bai, X Zheng, Y Zheng - Nature Microbiology, 2023 - nature.com
Corals form an endosymbiotic relationship with the dinoflagellate algae Symbiodiniaceae,
but ocean warming can trigger algal loss, coral bleaching and death, and the degradation of …

β2 integrins impose a mechanical checkpoint on macrophage phagocytosis

AH Settle, BY Winer, MM de Jesus, L Seeman… - Nature …, 2024 - nature.com
Phagocytosis is an intensely physical process that depends on the mechanical properties of
both the phagocytic cell and its chosen target. Here, we employed differentially deformable …

Microglia as hunters or gatherers of brain synapses

M Pereira-Iglesias, J Maldonado-Teixido… - Nature …, 2024 - nature.com
Over a decade ago, it was discovered that microglia, the brain's immune cells, engulf
synaptic material in a process named microglial pruning. This term suggests that microglia …

Actin nano-architecture of phagocytic podosomes

JC Herron, S Hu, T Watanabe, AT Nogueira… - Nature …, 2022 - nature.com
Podosomes are actin-enriched adhesion structures important for multiple cellular processes,
including migration, bone remodeling, and phagocytosis. Here, we characterize the structure …

A minimal cell model for lamellipodia-based cellular dynamics and migration

RK Sadhu, A Iglič, NS Gov - Journal of Cell Science, 2023 - journals.biologists.com
One ubiquitous cellular structure for performing various tasks, such as spreading and
migration over external surfaces, is the sheet-like protrusion called a lamellipodium, which …