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Vesicles in Medical News

Live recordings of cell communication

... signals travel from one neuron to another through vesicles - a nano-sized container loaded with ... more detailed understanding of how the fusion of vesicles occurs on the nano-scale. Associate Professor ... Center explains: - "Contact between vesicles and membranes are an essential step in many ...

Making nanoparticles in artificial cells

... membranes. Like cells, membrane bubbles - or vesicles as scientists refer to them - also provide a ... with the different loads together and fuse two vesicles to form a bigger vesicle - this is done by ... the second process, the researchers only produce vesicles with one of the reactants. When ...

Finding Points to Possible Blood Test for Brain Tumors

... Filled with proteins and genetic material, these vesicles are picked up by neighboring cells in the brain, ... mass. "We think the tumor cells bud off these vesicles filled with information, genetic and protein ... In fact, the tumors secrete so many of these vesicles that they can be found in the patient's ...

JCI online early table of contents: June 5, 2008

... exposure cause cells in the pancreas to release vesicles containing degradative proteins known as enzymes ... the inappropriate release of enzyme-containing vesicles in mice exposed to alcohol and carbachol. As ... parietal cells to transport their acid-containing vesicles to the surface where the acid is released, mice ...

Mechanism of Alzheimer's suggests combination therapy needed

... transport system. This limits their ability to send vital proteins and vesicles to where they are needed within the cell and interferes with the synaptic ... The fast axonal transport system responsible for moving proteins and vesicles from the neuron's cell body where they are made, down the long, trunk-like ...

Researchers clone key sperm-binding proteins

... In most mammals, these proteins are typically produced by the seminal vesicles and added to sperm at ejaculation. Yet this is not the case for humans, ... A family of sperm-binding proteins (BSPs) secreted by the seminal vesicles has been shown to be essential for sperm maturation in female reproductive ...

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Vesicles in Medical Technology

Lexicon Initiates Phase 2a Trial of LX6171 Drug Candidate for Cognitive Disorders

... molecule developed by Lexicon scientists to inhibit a membrane protein expressed exclusively in the central nervous system and found at synaptic vesicles and presynaptic membranes of glutamatergic neurons. The protein targeted by LX6171 was identified through Lexicon's large-scale gene knockout ...
Vesicles in Medical Dictionary

Vesicles

... vesicles Definition: A vesicle is a small fluid-filled ... to 5 or 10 millimeters in diameter. - vesicles Review Date : 10/12/2003 Reviewed By : James L. ... Harvard Medical School . seminal vesicles - the sac -like glands that lie behind the ...

Bullae

... ... The skin rash of SJS consists of erythema tous (red) papule s, vesicles , bullae . There may also be iris lesion s. The mucosa l lesion s ... sac in the lung) causes primary spontaneous pneumothorax . vesicles that are more than [frac15] in (5 mm) across are called bullae or ...

Chicken pox

... mild) and a rash (sometimes severe) consisting of tiny blister s or vesicles . : Chicken Pox Skin Test, Herpes Skin Test Definition The ... Chicken pox causes crops of red spots that develop central fluid filled vesicles before crusting over. The varicella - zoster virus is responsible ...

Papule

... neck and wrists. They gradually fill with clear serum , becoming vesicles , which become depressed at their centers and then fill with pus (called ... of the skin characterized by severe itching , extensive eruption of vesicles ( blister s) and papule s which occur in groups. May be associated with ...

Cell

... cancer occurs only in one testicle. Cell biology Research Interest: Exocytosis is mediated by transport, docking, and fusion of secretory vesicles carrying protein s and lipid s to defined areas of the plasma membrane . CELL -MEDIATED IMMUNITY (CMI): This branch of the immune system ...

Contraction

... ejaculation of semen at orgasm , presumably because of damage to autonomic nerve s involved in the contraction s of the prostate , seminal vesicles , and bladder neck.[64] ... ...

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Vesicles in Biological News

Cells use import machinery to export their goods as well

... economy of the cell, little bubbles called vesicles serve as container ships, ferrying cargo to and ... Scientists have long believed that other, similar vesicles handle the reverse function, importing ... This sort of shipping was assumed to end with the vesicles fusing completely to the membrane and delivering ...

Fate in fly sensory organ precursor cells could explain human immune disorder

... addition, they found that under normal conditions vesicles (tiny bubbles) containing the Notch activating ... Under normal circumstances Delta containing vesicles traffic to the microvilli. In the Arp3 mutants, ... said Bellen. It is then encapsulated in the vesicles and travels to the basal, or bottom, of the ...

Dictyostelium cells shown to lay 'breadcrumb trail' as first step in multicellular formation

... now show that ACA is packaged into intracellular vesicles that cluster at the rear of cells in a process ... vesicles. Interestingly, the ACA-containing vesicles themselves, not just their contents, are ... is a small and diffusible molecule, perhaps the vesicles serve to package the chemoattractant so that it ...

Caltech biologists spy on the secret inner life of a cell

... bodies," that contain other small vesicles. The vesicles previously were believed to be responsible only ... long tubes that then broke off into the small vesicles that carry antibodies through the cell. When those vesicles arrived at the blood-vessel side of the cell, ...

Weill Cornell science briefs June/July 2008

... To communicate between cells, tiny transport vesicles package and ship neurotransmitter-chemicals to ... works. Observing proteins within cellular vesicles labeled with a fluorescent marker in the lab, for ... identification, the researchers saw that about 20 vesicles can be simultaneously manufactured right at the ...

Leading scientist named new chair of Cell Biology at Yale

... complexes known as SNARES, expressed on both vesicles and target membranes, first ensure that different classes of vesicles bind to appropriate membranes and then unleash the biochemical changes leading to fusion of vesicles with those membranes and the delivery of the ...

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Vesicles in Biological Technology

Bristly spheres as capsules

... that close themselves off into capsule-shaped vesicles. The walls of the vesicles consist of a monolayer of the bristly particles. The polymer-coated ... a new, simple method for the controlled production of superstructures. The vesicles could be used to encapsulate drugs, for example, as contrast agents, or as ...

ImmunoVaccine Technologies Broadens Its Patent Protection to Japan

... exclusivity that an effective, long-term immune response to treat a disease can be produced using a vaccine comprising of an antigen, an adjuvant, vesicles known as liposomes, and a hydrophobic carrier. "We have a novel technology that enhances vaccines dramatically, so receiving patent approval is ...

Cellular construction methods emulated

... membranes, surfactants have a hydrophilic segment and a hydrophobic segment and aggregate into structures such as membrane-like double layers or vesicles (bubbles). To imitate the forces involved in protein foldinghydrogen-bridge bonds and hydrophobic interactionsthe team used a disk-shaped gelator, in ...

High-content screening of GPCR activation with MetaXpress, AcuityXpress and the Transfluor assay system

... Background Correction system to distinguish pits, vesicles and nuclei from their local ... analysis of Transfluor data, pits and vesicles can be detected and distinguished ... for the expected size of the pits, vesicles or nuclei. The Intensity above local ...

Screening for β2-adrenergic receptor agonists using the pH-sensitive dye,CypHer5, and the IN Cell Analyzer 3000

... β 2-adrenergic receptor internalization into acidic endosomal vesicles uses a red-excited pH-sensitive cyanine dye, CypHer TM 5, which is ... internalization of β 2-adrenergic receptors into acidic endosomal vesicles and would appear to be false positives.

...

The use of CypHer5E and the IN Cell Analyzer 1000 for live-cell receptor internalization studies

... monitoring of cell surface receptors internalizing into acidic endosomal vesicles upon agonist stimulation (4,5).

Using N-terminal VSV-G tagged ... analysis and screening of receptors that internalize into acidic endosomal vesicles upon ligand binding and activation. Using the IN Cell Analyzer 1000, a ...

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Vesicles in Biological Products

Synaptic Vesicles Isolation Kit from Sigma-Aldrich

Description:... The Synaptic vesicles Isolation Kit provides all the reagents required for preparing an enriched synaptic vesicle fraction. The isolation procedure involves tissue ...
Company:Sigma-Aldrich

Superfusion System, Raiteri's Method from myNeuroLab.com

Description:... Neurotransmitters are stored within neurons in vesicles called synaptosomes. Synaptosomes are concentrated in the synaptic bouton. Synaptosomes may be centrifuged and isolated from other cellular ...
Company:myNeuroLab.com

Canine Pancreatic Microsomal Membranes from Promega

Description:... Microsomal vesicles are used to study co-translational and initial post-translational processing of proteins. Processing events such as signal peptide cleavage, membrane ...
Company:Promega
Vesicles in Biological Definition

Golgi apparatus

... be secreted from the cell, and sort them within vesicles . Thus, it functions as a central delivery system for the cell. Most of the transport vesicles that leave the endoplasmic reticulum (ER), ... compositions. Function The transport vesicles from the ER fuse with the cis face of the Golgi ...

Neurotransmitter

... neurotransmitter molecules are packaged in vesicles . When an action potential travels to the ... to open. Calcium then stimulates the transport of vesicles to the synaptic membrane: the vesicle and cell ... They are usually packaged into dense-core vesicles and are released through a similar, but ...

Synapse

... : Within the pre-synaptic nerve terminal, vesicles containing neurotransmitter sit "docked" and ... ion channels , at which point the vesicles fuse with the membrane and release their contents ... regulation Following fusion of the synaptic vesicles and release of transmitter molecules into the ...

Vesicle

... the cytosol by at least one lipid bilayer . vesicles store, transport , or digest cellular ... to be different from the cytosolic environment. vesicles are a basic tool of the cell for organizing ... as well as being chemical reaction chambers. Many vesicles are made in the Golgi apparatus , but also in ...

Bone

... by osteoblasts). Mineralisation involves osteoblasts secreting vesicles containing alkaline phosphatase. This cleaves phosphate groups and acts as the foci for calcium and phosphate deposition. The vesicles then rupture and act as a centre for crystals to grow on. The organic ...

Cytoskeleton

... plays important roles in both intra-cellular transport (the movement of vesicles and organelles, for example) and cellular division. Contents ... and kinesins they transport organelles like mitochondria or vesicles .) the axoneme of cilia and flagella the mitotic spindle ...

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Vesicles in Biological Dictionary

Vesicle

... stores or transports substances within a cell. vesicles form naturally because of ... Vesicle ... Dictionary.com a free online dictionary with ... vesicles bulge out and break off from the endoplasmic ... and word games. Endosomes are membrane-bound vesicles , formed via a complex family of processes ... ...

Transport vesicle

... stores or transports substances within a cell. vesicles form naturally because of ... ... in the ... vacuole discharge ... Transport vesicles . Definition(s) vesicles that are involved in shuttling cargo from the ......

Seminal vesicles

... The seminal vesicles are a pair of simple tubular glands ... bladder of males. Prostate with seminal vesicles and seminal ducts, viewed from in front and ... ducts of some male mammals. The two seminal vesicles contribute approximately 60 percent of the ...

Pinocytosis

... which small particles are brought into the cell suspended within small vesicles which subsequently fuse with lysosomes to hydrolyze, or to break down, ... engulf external substances, gathering them into special membrane-bound vesicles contained within the cell. In pinocytosis , rather than an individual ...

Endomembrane system

... system consists of the rough and smooth ER, Golgi apparatus, vesicles and plasma membrane, all working together to transport cellular ... The rest of the endomembrane - system members communicate via transport vesicles ... The endomembrane system is composed of a number of ...

Transport protein

... pages | Transport proteins ... Kinesin accomplishes transport by essentially "walking" along a ... Biology Proteins vesicles Carrier Protein Transport Cytoskeleton Microtubles Animation ... TransportDB is a relational database describing the predicted cytoplasmic ...
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