Results 101 to 110 of about 50,252 (279)

Impact of Endocytosis and Lysosomal Acidification on the Toxicity of Copper Oxide Nano- and Microsized Particles: Uptake and Gene Expression Related to Oxidative Stress and the DNA Damage Response

open access: yesNanomaterials, 2020
The toxicity of the copper oxide nanoparticles (CuO NP) has been attributed to the so-called “Trojan horse”-type mechanism, relying on the particle uptake and extensive intracellular release of copper ions, due to acidic pH in the lysosomes. Nevertheless,
Bettina Maria Strauch   +2 more
doaj   +1 more source

The use of inhibitors to study endocytic pathways of gene carriers: optimization and pitfalls [PDF]

open access: yes, 2010
Nonviral gene complexes can enter mammalian cells through different endocytic pathways. For efficient optimization of the gene carrier it is important to profile its cellular uptake, because this largely determines its intracellular processing and ...
Dries Vercauteren   +57 more
core   +3 more sources

An Arabidopsis dynamin‐related protein, DRP3A, controls both peroxisomal and mitochondrial division [PDF]

open access: yesThe Plant Journal, 2004
SummaryPeroxisomes undergo dramatic changes in size, shape, number, and position within the cell, but the division process of peroxisomes has not been characterized. We screened a number of Arabidopsis mutants with aberrant peroxisome morphology (apm mutants).
Shoji, Mano   +4 more
openaire   +2 more sources

Single‐Cell Transcriptomics Reveals FLS2‐Dependent Hypoxia Signaling and ERF13‐Mediated Transcription During flg22‐Triggered Immunity

open access: yesAdvanced Science, EarlyView.
This study employs sc‐RNA sequencing, genetics, and phenotyping to systematically map the cell‐type‐specific immune responses triggered by flg22. It reveals FLS2‐dependent transcriptional reprogramming in epidermal and mesophyll cells, and uncovers crosstalk between immune and hypoxia signaling pathways.
Yaping Zhou   +17 more
wiley   +1 more source

Irisin alleviates liver ischemia-reperfusion injury by inhibiting excessive mitochondrial fission, promoting mitochondrial biogenesis and decreasing oxidative stress

open access: yesRedox Biology, 2019
Current management of liver ischemia-reperfusion (I/R) injury is mainly based on supportive care and no specific treatment is available. Irisin, a recently identified hormone, plays pivotal roles in energy expenditure and oxidative metabolism; however ...
Jianbin Bi   +11 more
doaj   +1 more source

Increased Mitochondrial Fragmentation Mediated by Dynamin-Related Protein 1 Contributes to Hexavalent Chromium-Induced Mitochondrial Respiratory Chain Complex I-Dependent Cytotoxicity

open access: yesToxics, 2020
Hexavalent chromium (Cr(VI)) pollution is a severe public health problem in the world. Although it is believed that mitochondrial fragmentation is a common phenomenon in apoptosis, whether excessive fission is crucial for apoptosis remains controversial.
Yu Ma   +3 more
doaj   +1 more source

Delivery of Pleckstrin‐Homology Domains Suppresses PI3K/Akt Signaling and Breast Cancer Metastasis

open access: yesAdvanced Science, EarlyView.
Current therapies curb tumor growth but not metastasis. Obscurin, a giant metastasis suppressor lost in breast cancer, restrains PI3K/Akt signaling but is impractical to restore. We deploy a mini‐obscurin, comprising the obscurin‐PH‐domain, which sequesters PI3K‐p85, potently suppressing invasion and metastasis.
Matthew Eason   +12 more
wiley   +1 more source

The role of dynamin-related proteins in vacuole biogenesis in fission yeast (Schizosaccharomyces pombe) : a thesis presented in partial fulfillment of the requirements for the degree of Master of Science in Biochemistry at Massey University, Palmerston North, New Zealand [PDF]

open access: yes, 2008
Dynamins are GTPases concerned with membrane tubulation and scission (Praefcke and McMahon, 2004). In the fission yeast, Schizosaccharomyces pombe, the dynamin-related proteins (DRPs) Vps1 and Dnm1 act redundantly in peroxisome biogenesis (Jourdain et al.
Röthlisberger, Sarah Ruth
core  

Structural basis of mitochondrial receptor binding and constriction by DRP1. [PDF]

open access: yes, 2018
Mitochondrial inheritance, genome maintenance and metabolic adaptation depend on organelle fission by dynamin-related protein 1 (DRP1) and its mitochondrial receptors. DRP1 receptors include the paralogues mitochondrial dynamics proteins of 49 and 51 kDa
Agard, David A   +6 more
core   +1 more source

Nanoscale Spatial Organization of ARC High‐ and Low‐Order Assemblies at Excitatory Synapses

open access: yesAdvanced Science, EarlyView.
ARC (Activity‐Regulated Cytoskeleton‐Associated protein) mediates synaptic plasticity by forming nanoscale assemblies in neurons. Using super‐resolution microscopy and time‐resolved anisotropy with targeted tagging, the study reveals low‐order ARC assemblies at synapses colocalizing with AMPARs, semi‐circular structures at endocytic zones, and 60–80 nm
Martina Damenti   +13 more
wiley   +1 more source

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