نتایج جستجو برای: dendritic structure

تعداد نتایج: 1615344  

Journal: :Hippocampus 2000
K E Sorra K M Harris

There has been an explosion of new information on the neurobiology of dendritic spines in synaptic signaling, integration, and plasticity. Novel imaging and analytical techniques have provided important new insights into dendritic spine structure and function. Results are accumulating across many disciplines, and a step toward consolidating some of this work has resulted in Dendritic Spines of ...

2017
Matthew J. Fogarty Erica W. H. Mu Nickolas A. Lavidis Peter G. Noakes Mark C. Bellingham

Objective: Motor neurons (MNs) die in amyotrophic lateral sclerosis (ALS), a clinically heterogeneous neurodegenerative disease of unknown etiology. In human or rodent studies, MN loss is preceded by increased excitability. As increased neuronal excitability correlates with structural changes in dendritic arbors and spines, we have examined longitudinal changes in dendritic structure in vulnera...

Journal: :Ageing research reviews 2013
Ginger Tsz-Hin Wong Raymond Chuen-Chung Chang Andrew Chi-Kin Law

Depression is one of the most common psychiatric disorders with inadequately understood disease mechanisms. It has long been considered that dendritic regression and decrease in the number of dendritic spines are involved in depression. Dendrites made up of microtubules and actin filaments form synapses with neighboring neurons, which come together as an important communication network. Cytoske...

Journal: :Fizika tverdogo tela 2022

The process of growing crystals the NiFeGaCo alloy by Stepanov method has been developed. It was found that structural perfection is disturbed formation dendrites, which are distributed inhomogeneously both along length and in cross sections crystals. blocking effect dendrites on growth martensite phase, appears when samples cooled to temperature transition crystal state, found. elemental compo...

Journal: :iranian journal of immunology 0
afsoon shariat department of biology, college of basic sciences, tehran science and research branch, islamic azad university, tehran mohammad hossein karimi shiraz transplant research center, namazi hospital, shiraz university of medical sciences, shiraz talat mokhtariazad department of virology, school of public health, tehran university of medical sciences, seyed mohammad moazzeni department of immunology, faculty of medical sciences, tarbiat modarres university, tehran bita geramizadeh shiraz transplant research center, namazi hospital, shiraz university of medical sciences, shiraz seyed ali malekhosseini shiraz transplant center, namazi hospital, shiraz university of medical sciences, shiraz, iran ramin yaghobi

background: dendritic cells (dcs) are potent antigen presenting cells for triggering of the immune reaction post transplantation. these cells are centrally involved in the initiation of t cell-dependent immune responses. objective: to compare the level of dc maturation and function in liver transplant recipients with healthy controls. methods: in this study, twelve peripheral blood samples were...

Journal: :iranian journal of public health 0
nazanin arjomand fard nakisa tabrizian reza mirzaei jamshid hadjati farzaneh tofighi zavareh ali reza salehi nodeh

background: the expanse of dendritic cells (dc) differentiation plays an important role in determining immune response. dc-based immunosuppressive drugs have notable side effects in increasing the risk of infectious diseases and cancers. g2013, as a novel anti-inflammatory and immunosuppressive agent, has been tested in experimental model of multiple sclerosis. the aim of this study was to cond...

Journal: :modares journal of medical sciences: pathobiology 2007
mohammad hossein karimi zahra soheila soheili ali akbar pourfathollah shahram samiei seyed mohammad moazzeni

objective: dendritic cells have a critical role in control and regulation of immune responses. it is believed that these cells can be used for the treatment of many diseases. one of the methods used in immunotherapy is based on generating of tolerogenic dendritic cells through inhibition of expression costimulatory molecules. cd40 is one of the costimulatory molecules, and inhibition of express...

Background: Melanoma is a common and malignant cutaneous tumor, which is responsible for a large proportion of skin cancer deaths. Dendritic cell (DC)-based vaccines have achieved positive results in the treatment of melanoma because of their ability to induce cytotoxic response to facilitate tumor elimination. Objective: To improve the efficacy of dendritic ce...

Journal: :NeuroImage 2007
Yong Zhang Xiaobo Zhou Rochelle M Witt Bernardo L Sabatini Donald Adjeroh Stephen T C Wong

Dendritic spines are small, bulbous cellular compartments that carry synapses. Biologists have been studying the biochemical pathways by examining the morphological and statistical changes of the dendritic spines at the intracellular level. In this paper a novel approach is presented for automated detection of dendritic spines in neuron images. The dendritic spines are recognized as small objec...

Journal: :RSC advances 2013
Jong-Hoon Kim Morgan Hiraiwa Hyun-Boo Lee Kyong-Hoon Lee Gerard A Cangelosi Jae-Hyun Chung

Electric detection using a nanocomponent may lead to platforms for rapid and simple biosensing. Sensors composed of nanotips or nanodots have been described for highly sensitive amperometry enabled by confined geometry. However, both fabrication and use of nanostructured sensors remain challenging. This paper describes a dendritic nanotip used as an amperometric biosensor for highly sensitive d...

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