Results 91 to 100 of about 1,545,528 (302)

Liver organoids: modelling complexity in homeostasis and disease

FEBS Letters, EarlyView.
Studying liver in vitro has been challenging because simple 2D cell cultures fail to capture liver's cellular and architectural complexity. To bridge this gap, scientists increasingly use organoids, 3D liver models which better mimic liver composition and function. This review examines recent advances in liver organoid complexity and realism, discusses
Anna M. Dowbaj, Meritxell Huch
wiley   +1 more source

Kinetic modelling reveals the presence of multistability in normal and stressful conditions in translational initiation mechanism.

PLoS ONE
Protein synthesis involves translation initiation, elongation, termination, and ribosome recycling, and each step is controlled intricately by many signaling proteins.
Guturu L Harika, Krishnamachari Sriram
doaj   +1 more source

Distinct pre-initiation steps in human mitochondrial translation

Nature Communications, 2020
Translation within mitochondria relies upon specialized mitoribosomes and initiation factors. Here the authors use Cryo-EM and single molecule approaches to describe the early steps leading to translation initiation in human mitochondria, and the roles ...
Anas Khawaja, Yuzuru Itoh, Cristina Remes, Henrik Spåhr, Olessya Yukhnovets, Henning Höfig, Alexey Amunts, Joanna Rorbach   +7 more
doaj   +1 more source

Protection-based assays to measure aminoacyl-tRNA binding to translation initiation factors.

, 2007
International audienceTo decipher the mechanisms of translation initiation, the stability of the complexes between tRNA and initiation factors has to be evaluated in a routine manner.
Yves Mechulam, Emmanuelle Schmitt, Mechulam, Yves, Sylvain Blanquet, Laurent Guillon, Blanquet, Sylvain, Guillon, Laurent, Schmitt, Emmanuelle, Yatime, Laure, Laure Yatime   +9 more
core   +1 more source

Epigenetic reprogramming of lineage switching in cancer

FEBS Letters, EarlyView.
Cancer cells rarely commit to a single identity. Epigenetic mechanisms and tumor microenvironment cues push epithelial cells toward flexible, hybrid states that can shift into mesenchymal, neuroendocrine, or stem‐like fates, driving metastasis, drug resistance, and tumor heterogeneity. Targeting the epigenetic regulators behind these transitions, using
Ezgi Boyvatlı, Burcu Akman, Ezgi Bağırsakçı, Nese Atabey, Serap Erkek‐Ozhan   +4 more
wiley   +1 more source

IRES-dependent translational control during virus-induced endoplasmic reticulum stress and apoptosis

Frontiers in Microbiology, 2012
Many virus infections and stresses can induce endoplasmic reticulum (ER) stress response, a host self defense mechanism against viral invasion and stress.
Paul eHanson, Huifang M. Zhang, Maged Gomma Hemida, Xin eYe, Ye eQiu, Decheng eYang   +5 more
doaj   +1 more source

Autophagy and mitophagy in pancreatic β‐cell homeostasis and their involvement in diabetes pathophysiology

FEBS Letters, EarlyView.
This review focuses on the role of autophagy and mitophagy in maintaining pancreatic β‐cell function and homeostasis. We discuss how genetic defects affecting these pathways contribute to the development of type 1, type 2, monogenic, and gestational diabetes. We further explore their potential as therapeutic targets. Created in BioRender.
Yunkyeong Lee, Mingming Tong, Anna L. Gloyn   +2 more
wiley   +1 more source

Ligand‐dependent transcriptional heterogeneity in cell cycle gene expression delays G1/S entry

FEBS Letters, EarlyView.
EGF and HRG induce distinct G1/S progression programs in ErbB2‐amplified BT474 breast cancer cells. Despite activating the potent ErbB2–ErbB3 heterodimer, HRG does not accelerate cell‐cycle entry. Instead, EGF promotes earlier restriction‐point passage via ERK–FOS signaling, whereas HRG activates the AKT–MYC axis, driving transcriptional heterogeneity ...
Ririn Rahmala Febri, Ayaka Nagasato‐Ichikawa, Keita Iida, Shuhei Kimura, Akira Imamoto, Mariko Okada   +5 more
wiley   +1 more source

Translophagy—A potential link between autophagy impairment and translational errors

FEBS Letters, EarlyView.
Neurodegenerative diseases are characterised by the accumulation of abnormal proteins and protein aggregates, but their origin often remains unknown. We propose that selective autophagy removes damaged protein‐making machinery, preventing errors during protein synthesis.
Mykola V. Korolchuk, Gailing Ma, Robin Antrobus, Diego Manni, Marco Trevisan‐Herraz, Mustafa Khwaja, Max Brown, Gavin D. Richardson, Masaaki Komatsu, Daniel Erskine, Viktor I. Korolchuk, Tetsushi Kataura   +11 more
wiley   +1 more source

‘Guide and Prejudice’— How Argonautes recognize targets across domains of life

FEBS Letters, EarlyView.
Argonaute proteins use short nucleic‐acid guides to locate and regulate specific targets across all domains of life. Despite striking diversity—from human gene silencing to bacterial immune defence—all Argonautes share a conserved three‐stage recognition logic: guide‐directed sampling, progressive target pairing with a conformational checkpoint and ...
Jack P. K. Bravo
wiley   +1 more source