Understanding the processes that drive the formation of synapses between specific neurons within a circuit is critical to understanding how neural networks develop. A new study of synapse formation between motor neurons and pre-synaptic partners highlights the importance of dendrite placement.
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http://dx.doi.org/10.1016/j.cub.2015.01.006 | DOI Listing |
J Comp Neurol
December 2024
Wilkes Honors College, Florida Atlantic University, Jupiter, Florida, USA.
Neurons rely on mitochondria for an efficient supply of ATP and other metabolites. However, while neurons are highly elongated, mitochondria are discrete and limited in number. Due to the slow rates of metabolite diffusion over long distances, it follows that neurons would benefit from an ability to control the distribution of mitochondria to sites of high metabolic activity such as synapses.
View Article and Find Full Text PDFNeural Regen Res
December 2024
Institute of Clinical Neuroanatomy, Goethe-University Frankfurt, NeuroScience Center, Frankfurt am Main, Germany.
The dentate gyrus of the hippocampus is a plastic structure that displays modifications at different levels in response to positive stimuli as well as to negative conditions such as brain damage. The latter involves global alterations, making understanding plastic responses triggered by local damage difficult. One key feature of the dentate gyrus is that it contains a well-defined neurogenic niche, the subgranular zone, and beyond neurogenesis, newly born granule cells may maintain a "young" phenotype throughout life, adding to the plastic nature of the structure.
View Article and Find Full Text PDFRev Esp Enferm Dig
December 2024
Gastroenterology, Hospital Universitario Central de Asturias, España.
A 60-year-old male was admitted for obstructive jaundice secondary to a 2 cm retroperitoneal lesion. Ultrasound endoscopy (UES) with fine needle biopsy (FNB) was performed, as well as endoscopic retrograde cholangiopancreatography (ERCP) with placement of a metal stent for bile duct drainage. Initially IgG4-related disease was suspected from FNB.
View Article and Find Full Text PDFBraz J Med Biol Res
November 2024
Department of Immunology, School of Basic Medical Sciences, Xinjiang Medical University, Urumqi, Xinjiang, China.
Cystic echinococcosis (CE) is a zoonotic disease caused by the infection of Echinococcus granulosus (E. granulosus) larva. Currently, blocking the pathogenic cycle chain through immunoprophylaxis has become the main research direction.
View Article and Find Full Text PDFJ Dent Res
November 2024
Institute of Biomedical and Oral Research, Faculty of Dental Medicine, Hebrew University, Jerusalem, Israel.
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