Visualising the cytoskeletal machinery in neuronal growth cones using cryo-electron tomography DOI Creative Commons
Joseph Atherton, Melissa A. Stouffer, Fiona Francis

et al.

Journal of Cell Science, Journal Year: 2022, Volume and Issue: 135(7)

Published: April 1, 2022

Neurons extend axons to form the complex circuitry of mature brain. This depends on coordinated response and continuous remodelling microtubule F-actin networks in axonal growth cone. Growth cone architecture remains poorly understood at nanoscales. We therefore investigated mouse hippocampal neuron cones using cryo-electron tomography directly visualise their three-dimensional subcellular with molecular detail. Our data showed that hexagonal arrays actin bundles filopodia penetrate terminate deep within interior. observed modulation these other by alteration individual helical structures. Microtubules blunt, slightly flared or gently curved ends predominated cone, frequently contained lumenal particles exhibited lattice defects. Investigation effect absence doublecortin, a neurodevelopmental cytoskeleton regulator, no major anomalies overall organisation subpopulations. However, our suggested microtubules sustained more structural defects, highlighting importance integrity during migration.

Language: Английский

The m6A epitranscriptome: transcriptome plasticity in brain development and function DOI
Ido Livneh, Sharon Moshitch-Moshkovitz, Ninette Amariglio

et al.

Nature reviews. Neuroscience, Journal Year: 2019, Volume and Issue: 21(1), P. 36 - 51

Published: Dec. 5, 2019

Language: Английский

Citations

254

Calcium Signaling Mechanisms Across Kingdoms DOI Open Access
Sheng Luan, Chao Wang

Annual Review of Cell and Developmental Biology, Journal Year: 2021, Volume and Issue: 37(1), P. 311 - 340

Published: Aug. 10, 2021

Calcium (Ca 2+ ) is a unique mineral that serves as both nutrient and signal in all eukaryotes. To maintain Ca homeostasis for nutrition signaling purposes, the tool kit transport has expanded across kingdoms of eukaryotes to encode specific signals referred signatures. In parallel, large array -binding proteins evolved sensors decode By comparing these coding decoding mechanisms fungi, animals, plants, unified divergent themes have emerged, underlying complexity will challenge researchers years come. Considering scale breadth subject, instead literature survey, this review we focus on conceptual framework aims introduce readers principles signaling. We finish with several examples -signaling pathways, including polarized cell growth, immunity symbiosis, systemic signaling, piece together plants versus animals.

Language: Английский

Citations

162

Neurexins: molecular codes for shaping neuronal synapses DOI
Andrea M. Gomez,

Lisa Traunmüller,

Peter Scheiffele

et al.

Nature reviews. Neuroscience, Journal Year: 2021, Volume and Issue: 22(3), P. 137 - 151

Published: Jan. 8, 2021

Language: Английский

Citations

161

Mitochondrial Functionality in Male Fertility: From Spermatogenesis to Fertilization DOI Creative Commons

Yoo-Jin Park,

Myung‐Geol Pang

Antioxidants, Journal Year: 2021, Volume and Issue: 10(1), P. 98 - 98

Published: Jan. 12, 2021

Mitochondria are structurally and functionally distinct organelles that produce adenosine triphosphate (ATP) through oxidative phosphorylation (OXPHOS), to provide energy spermatozoa. They can also reactive oxidation species (ROS). While a moderate concentration of ROS is critical for tyrosine in cholesterol efflux, sperm–egg interaction, fertilization, excessive generation associated with male infertility. Moreover, mitochondria participate diverse processes ranging from spermatogenesis fertilization regulate fertility. This review aimed summarize the roles fertility depending on sperm developmental stage (from reproductive tract female tract). involved testosterone production, regulation proton secretion into lumen maintain an acidic condition epididymis, DNA condensation during epididymal maturation. We established new signaling pathway using previous proteomic data fertility, understand overall role The revealed infertility loss mitochondrial proteins spermatozoa, which induces low motility, reduces OXPHOS activity, results

Language: Английский

Citations

154

3D Genome of macaque fetal brain reveals evolutionary innovations during primate corticogenesis DOI Creative Commons
Xin Luo, Yuting Liu, Dachang Dang

et al.

Cell, Journal Year: 2021, Volume and Issue: 184(3), P. 723 - 740.e21

Published: Jan. 27, 2021

Language: Английский

Citations

111

The impact of sensory neuropathy and inflammation on epithelial wound healing in diabetic corneas DOI
Fu‐Shin X. Yu, Patrick Lee, Lingling Yang

et al.

Progress in Retinal and Eye Research, Journal Year: 2022, Volume and Issue: 89, P. 101039 - 101039

Published: Jan. 4, 2022

Language: Английский

Citations

109

Hydrogel-in-hydrogel live bioprinting for guidance and control of organoids and organotypic cultures DOI Creative Commons
Anna Urciuolo, Giovanni Giuseppe Giobbe, Yixiao Dong

et al.

Nature Communications, Journal Year: 2023, Volume and Issue: 14(1)

Published: May 30, 2023

Abstract Three-dimensional hydrogel-based organ-like cultures can be applied to study development, regeneration, and disease in vitro. However, the control of engineered hydrogel composition, mechanical properties geometrical constraints tends restricted initial time fabrication. Modulation characteristics over according culture evolution is often not possible. Here, we overcome these limitations by developing a hydrogel-in-hydrogel live bioprinting approach that enables dynamic fabrication instructive elements within pre-existing cultures. This achieved crosslinking photosensitive hydrogels via two-photon absorption at any during culture. We show guide neural axon directionality growing organotypic spinal cords, geometry differential cell migration cancer organoids. Finally, promote polarity liver organoids, small intestinal organoid morphogenesis lung tip bifurcation composition shape.

Language: Английский

Citations

61

Hallmarks of peripheral nerve function in bone regeneration DOI Creative Commons
Ranyang Tao, Bobin Mi, Yiqiang Hu

et al.

Bone Research, Journal Year: 2023, Volume and Issue: 11(1)

Published: Jan. 5, 2023

Abstract Skeletal tissue is highly innervated. Although different types of nerves have been recently identified in the bone, crosstalk between bone and remains unclear. In this review, we outline role peripheral nervous system (PNS) regeneration following injury. We first introduce conserved species ranging from amphibians to mammals. then present distribution PNS skeletal under physiological conditions, fractures, or regeneration. Furthermore, summarize ways which communicates with bone-lineage cells, vasculature, immune cells microenvironment. Based on comprehensive timely conclude that regulates through neuropeptides neurotransmitters nerves. An in-depth understanding roles will inform development new strategies based bone-nerve promoting repair

Language: Английский

Citations

58

Human Stem Cell-Derived Neurons Repair Circuits and Restore Neural Function DOI Creative Commons
Man Xiong, Yezheng Tao, Qinqin Gao

et al.

Cell stem cell, Journal Year: 2020, Volume and Issue: 28(1), P. 112 - 126.e6

Published: Sept. 22, 2020

Language: Английский

Citations

125

Roles of axon guidance molecules in neuronal wiring in the developing spinal cord DOI
Alain Chédotal

Nature reviews. Neuroscience, Journal Year: 2019, Volume and Issue: 20(7), P. 380 - 396

Published: April 18, 2019

Language: Английский

Citations

110