Results 141 to 150 of about 421,073 (317)

α‐Synuclein Pathology Spreads in a Midbrain–Hindbrain Assembloid Model

Advanced Science, EarlyView.
A novel midbrain–hindbrain assembloid model demonstrates the spread of α‐synuclein pathology, a hallmark of Parkinson's disease, mimicking Braak's hypothesis. This model reveals how pathology propagates from the hindbrain to the midbrain, inducing synaptic changes and early signs of neuronal vulnerability. It offers an innovative platform for exploring
Gemma Gomez‐Giro, Daniela Frangenberg, Daniela Vega, Alise Zagare, Kyriaki Barmpa, Paul M. A. Antony, Graham Robertson, Rahman Sabahi‐Kaviani, Kristian Haendler, Nathalie Kruse, Florentia Papastefanaki, Rebecca Matsas, Malte Spielmann, Regina Luttge, Jens C. Schwamborn   +14 more
wiley   +1 more source

Numerous cultivated and uncultivated viruses encode ribosomal proteins

Nature Communications, 2019
Viruses can encode genes that regulate the host's translational machinery to their advantage. Here, the authors show that viruses encode ribosomal proteins that can be incorporated into the host’s ribosome and may affect translation.
Carolina M. Mizuno, Charlotte Guyomar, Simon Roux, Régis Lavigne, Francisco Rodriguez-Valera, Matthew B. Sullivan, Reynald Gillet, Patrick Forterre, Mart Krupovic   +8 more
doaj   +1 more source

In‐Depth Cell‐Type‐Specific Proteome Landscape of the Brain from Human Amyloid‐β Overexpression Mouse Model

Advanced Science, EarlyView.
In situ Cell‐type‐specific proteome Analysis using antibody‐mediated Biotinylation (iCAB) is a method that directly targets and analyzes proteins in specific cell types within tissue. Applied to 5xFAD mice, iCAB identifies ≈8000 cell‐type‐specific proteins, revealing unique pathways in neurons, astrocytes, and microglia.
Taekyung Ryu, Seok‐Young Kim, Thujitha Thuraisamy, Jisu Shin, Yura Jang, Tae‐In Kam, Chan Hyun Na   +6 more
wiley   +1 more source

ABC-F Proteins Mediate Antibiotic Resistance through Ribosomal Protection

mBio, 2016
Members of the ABC-F subfamily of ATP-binding cassette proteins mediate resistance to a broad array of clinically important antibiotic classes that target the ribosome of Gram-positive pathogens.
Liam K. R. Sharkey, Thomas A. Edwards, Alex J. O’Neill   +2 more
doaj   +1 more source

Ribosome Flow Model with Extended Objects [PDF]

arXiv, 2017
We study a deterministic mechanistic model for the flow of ribosomes along the mRNA molecule, called the ribosome flow model with extended objects (RFMEO). This model encapsulates many realistic features of translation including non-homogeneous transition rates along the mRNA, the fact that every ribosome covers several codons, and the fact that ...
arxiv  

Machine Learning‐Based Radiomics in Malignancy Prediction of Pancreatic Cystic Lesions: Evidence from Cyst Fluid Multi‐Omics

Advanced Science, EarlyView.
This study develops noninvasive clinical‐radiomic models using preoperative CT images to predict the malignant potential of pancreatic cystic lesions. It demonstrates the models' high accuracy across various datasets, with AUCs exceeding 0.92. Additionally, multi‐omics analyses uncover key biological mechanisms, including secretion function and lipid ...
Sihang Cheng, Ge Hu, Shenbo Zhang, Rui Lv, Limeng Sun, Zhe Zhang, Zhengyu Jin, Yanyan Wu, Chen Huang, Lu Ye, Yunlu Feng, Zhe‐Sheng Chen, Zhiwei Wang, Huadan Xue, Aiming Yang   +14 more
wiley   +1 more source

Muscle‐Derived Small Extracellular Vesicles Mediate Exercise‐Induced Cognitive Protection in Chronic Cerebral Hypoperfusion

Advanced Science, EarlyView.
sEVs have a critical role in orchestrating interorgan crosstalk and mediating exercise‐induced therapeutic effects. Lin et al. demonstrates that sEVs miR‐17/20a‐5p mediates the muscle‐brain crosstalk and emphasizes the central role of mTOR signaling in executing molecular programs that can protect brain health in response to exercise. Abstract Physical
Huawei Lin, Lianhua Yin, Weilin Liu, Rui Li, Tao Jiang, Minguang Yang, Yajun Cao, Sinuo Wang, Yan Yu, Cong Chen, Xiaoqin Guo, Wenju Wang, Huanhuan Liu, Yaling Dai, Jiamin Yan, Yanting Lin, Yanyi Ding, Chendong Ruan, Lei Yang, Tiecheng Wu, Jing Tao, Lidian Chen   +21 more
wiley   +1 more source

Computer simulations of the bacterial ribosome using a general purpose coarse-grained model MARTINI [PDF]

arXiv
Ribosomes are critical biomolecular nanomachines responsible for protein synthesis in all known organisms. The function and dynamics of ribosomes can be studied using molecular dynamics computer simulations. Although this task remains challenging at atomic level, several studies have reported all-atom molecular dynamics simulations of the entire ...
arxiv  

Integrating Spatial and Single‐Nucleus Transcriptomic Data to Assess the Effects of Intrauterine Hyperglycemia on Fetal Pancreatic Development

Advanced Science, EarlyView.
Maternal pregestational diabetes mellitus (PGDM) induced metabolic stress in fetal mice pancreas, alongside significantly decreased insulin secretion, altered cell‐cell communication, and distinct changes in cellular niches. Abstract Maternal pregestational diabetes mellitus (PGDM) can lead to adverse fetal outcomes, including lasting impacts on ...
Yu Deng, Shuting Wan, Zan Yuan, Huixia Yang   +3 more
wiley   +1 more source

Sequential domain assembly of ribosomal protein S3 drives 40S subunit maturation

Nature Communications, 2016
Ribosome biogenesis involves the hierarchical assembly of several proteins and RNA components. Here the authors describe a mechanism for ribosomal protein S3 incorporation into 40S ribosomal subunits that involves S3 dimerization and stepwise ...
Valentin Mitterer, Guillaume Murat, Stéphane Réty, Magali Blaud, Lila Delbos, Tamsyn Stanborough, Helmut Bergler, Nicolas Leulliot, Dieter Kressler, Brigitte Pertschy   +9 more
doaj   +1 more source