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Vesicle in Medical News

Live recordings of cell communication

...ontainer loaded with neurotransmitter molecules. A vesicle fuses with the membrane surrounding a neuron, rele...ct areas formed between vesicles and determine the vesicle size and shape with nano-scale resolution. This he...mitted, which researchers can measure as a sign of vesicle fusion. By measuring the emitted light the researc...

Making nanoparticles in artificial cells

...s, sodium sulphide or cadmium chloride. The scientists then bring the bubbles with the different loads together and fuse two vesicles to form a bigger vesicle - this is done by subjecting the bubble cocktail to a short but very strong electrical pulse. The electric shock fuses the membranes of two adjacent b...

Mechanism of Alzheimer's suggests combination therapy needed

...runk-like projection of the axon, to the functional areas where they are needed and back again depends on motor proteins that attach to the cargo -- a vesicle or protein -- and carry it along a track made of microtubules. In the new study, Brady and his colleagues showed that the short assemblies of amylo...

Membrane fusion at the synapse: Janus faced synaptotagmin-1 helps to keep the fast pace

...is made up of the so-called SNARE proteins that form protein bundles across vesicle and plasma membranes, hurling the vesicle or balloon-like structure close to the membrane. While this process works v...

Dynamin drug discovery team win prestigious international epilepsy grant

...he GTPase Dynamin, a key component of the synaptic vesicle cycle and a novel approach to treatment of epileps... Program consists of leading expertise in synaptic vesicle endocytosis and dynamin biology, medicinal chemist... potential side effects. Dynamin mediates synaptic vesicle endocytosis (SVE), a process which replenishes syn...

JCI online early table of contents: June 5, 2008

...ning vesicles to the surface where the acid is released, mice lacking Hip1r had less acid in their stomach. In addition, the defect in acid-containing vesicle transport caused many of the parietal cells to die by a process known as apoptosis. These effects were associated with other changes in the lining of ...

3T MRI plays significant role in detecting prostate cancer, study says

...the prostate and is a associated with a unfavorable prognosis), and seminal vesicle involvement. Once this was complete, 3D reconstruction of the prostate, tum...f the 13 patients regarding extracapsulation and 11 of 13 regarding seminal vesicle involvement. The study showed that 3D reconstruction was useful for the sur...

Removal of superficial tumors in esophagus by endoscopy can avoid extirpation of this part

...minal cavity in order to, for example, extirpate a vesicle or deal with other lesions. Currently in this type...Navarra has presented a technique for draining the vesicle directly into the stomach by means of ecoendoscopy... as the Director of the Service explains: when the vesicle is very inflamed it is not possible to carry out s...

When poor communication pokes you in the eye

...spherical, hollow sac, Graw says. That is the lens vesicle, the cover of which is surrounded by the lens epithelium, composed of a layer of cells. The vesicle is then filled in with fiber cells. In the following course of development, additional fibers originate in the equator of the lens. These scale up the...

Hospital Clínic conducts the first kidney extraction through the vagina in Europe

...y two pioneer interventions in Spain, where surgery was developed through the natural pathways of the body. One of them was the extraction of the bile vesicle through the mouth, and the other was an intervention for the treatment of gastroesophageal reflux. None of these cases required incisions and, as occu...
Vesicle in Medical Technology

ALP Life Sciences, LLC Announces Nanoveson(TM) Patent Filing and Whitepaper Availability on Proposed Therapy for Non-Alcoholic Fatty Liver Disease (NAFLD) and Comorbid Diseases

...s including biliary phospholipids, arachidonic acid metabolites, cholesterol, methyl metabolites, phthalate esters, and other compounds sequestered in vesicle membranes are expected to be a rich source of disease state biomarkers. Nanoveson(TM) also has the potential to provide extensive support to the life ...

The First Direct Structural Evidence of SV2A has Been Revealed Thanks to Protein Tomography(TM), and Published in BBRC

..., September 9 /PRNewswire/ -- Sidec AB has together with UCB published the first direct structural evidence of the molecular mechanism of the Synaptic vesicle protein 2A (SV2A) in mouse brain tissue. SV2A is the unique brain-binding site of the second generation anti-epileptic drug levetiracetam (LEV; Keppra...
Vesicle in Medical Products

Smart 2100 Plus

Description:...s that are becoming more and more prevalent and having a considerable clinical-social impact, like urinary calculosis, cervical-urethral obstructions, vesicle neoplasias and high renal excrectory duct neoplasias. The results of laser treatment in above-mentioned pathologies can be superimposed if no longer ...
Company:DEKA Research & Development Corp.
Vesicle in Medical Definition

Depolarization-induced suppression of inhibition

...e for 2 reasons. 1) The magnitudes of spontaneously evoked inhibitory post-synaptic currents ( IPSCs ), caused by the release of a single pre-synaptic vesicle filled with GABA, remained unchanged and 2) The cellular responses to exogenously applied GABA remained the same. These observations suggested that no...
Vesicle in Medical Dictionary

Vesicle

The synaptic vesicle cycle. Synapses can fire at very rapid rates. ... Synaptic vesicle components are initially trafficked to the synapse using ... The mechanism of GLUT4 vesicle exocytosis in response to insulin is not understood. ... Vesicle binding to microtubules was not medi...

Vesicles

... A vesicle is a small bubble of liquid within a cell. More technically, a vesicle is a small, intracellular, membrane-enclosed sac...ium channel. Vesicles are essential for... vesicle n. A small bladderlike cell or cavity. Anatomy....

Pustule

...n of the pustule contents would reveal the etiologic agent, Gram ... Brief and Straightforward Guide: What Is a Pustule ? ... A pustule is a vesicle filled with pus and located under the surface of the skin. ... Information about pustule in the free online English dictionary and encycloped...

Pustules

...surface... kin resembling a rash to large cysts or pustules . ... Brief and Straightforward Guide: What Is a Pustule ? ... A pustule is a vesicle filled with pus and located under the surface of the skin. Pustules are probably ... Information about Pustules in the free online English ...
Vesicle in Biological News

Chasing tiny vehicles

...ch team could even define separate phases: how the particles reached the cell membrane, came to rest there and then ultimately enclosed in a membrane vesicle invaded the cells. The vesicles move randomly, often downright erratically inside the cell, until a so-called motor protein binds them and quickly tr...

Cells use import machinery to export their goods as well

...nce microscopy) capable of focusing solely on the narrow plane in which the vesicle and membrane merge. "It's a little like the guy looking under the streetlig...ivery of post-Golgi cargo is a so-called kiss-and-run exchange in which the vesicle partially merges with the membrane and delivers some, but not all, of its c...

ChloroFilms announces video contest winners

...able at http://www.lelavision.com/ . First prizes ($500 cash awards) go to Daniel von Wangenheim of Cologne, Germany for his entry "fantastic vesicle traffic" http://www.youtube.com/watch?v=7sRZy9PgPvg ; Kris Holmes of Rochester, NY for his entry "La Bloomba" http://www.youtube.com/watch?v=m1ag6B...

Yale researchers uncover secrets of salmonella's stealth attack

...like compartment called a vesicle. SopB's second trick helps prevent the vesicle from being sucked into the lyosome, the organelle within the cell that degr...t move from the plasma membrane of the cell to the membrane of the internal vesicle containing the pathogen. The Yale group found that Salmonella coaxes the ...

A budding role for a cellular dynamo

...embles into networks of filaments that give the cell structural plasticity while driving many essential functions, from cell motility and division, to vesicle and organelle transport within the cell. In a groundbreaking new study in the current issue of Developmental Cell , Brandeis researchers raise the cu...

How Toxoplasma gondii gets noticed

...fections in mice to study how portions of the parasitic proteins escape the vesicle in a process known as cross-presentation. They find that the parasite gets noticed by the immune system when the membrane of the bug-containing vesicle fuses to the endoplasmic reticuluman organelle normally involved in present...

Protein that regulates hormones critical to women's health found in pituitary

...naptotagmins are triggering molecules that drive a vesicle's membrane into the membrane that surrounds a neighboring cell so that chemicals inside the vesicle can come out," says Jackson. But Syt IV is an odd member of the family because it doesn't bind to calcium, said Jackson. In addition, Syt IV is fo...

Very cold ice films in laboratory reveal mysteries of universe

...thing much simpler than today's cell membrane, probably some sort of simple vesicle of the sort found in soap bubbles. This sort of vesicle can be found in abiotic systems today, both in hot conditions, in the chemi...

New cell division mechanism discovered

...proteins, Rolf Bernander says. Two of the three proteins are instead related to eukaryotic so-called ESCRT- proteins, which play important roles in vesicle formation during intracellular transport processes, and which also have been implicated in virus budding, including HIV, from the cell surface. The re...

How neuronal activity leads to Alzheimer's protein cleavage

...d associates with microdomains that contain BACE. It's unclear why APP should be associated with syntaxin, though it might suggest a role for APP in vesicle trafficking and exocytosis. Also unclear is why neuronal activity should cause APP to jump from syntaxin domains to BACE domains. What is clear, howev...
Vesicle in Biological Technology

Novel drug discovery tool could identify promising new therapies for Parkinson's disease

...e cyclic peptides do not affect a system of transport inside cells known as vesicle trafficking which was a surprise, since alpha-synuclein and other proteins...been implicated in human Parkinson's disease are believed to play a role in vesicle trafficking. However, the researchers observed that the two peptides share ...

Sopherion Therapeutics Announces Completion of Enrollment in Phase III Study of Myocet in Metastatic Breast Cancer

...bicin) Myocet is a liposome-encapsulated doxorubicin-citrate complex. By encapsulating doxorubicin in a liposome -- a manufactured, microscopic, vesicle consisting of discreet aqueous compartments surrounded by membranes composed of naturally occurring fats -- its distribution in the body is altered in...

Sopherion Therapeutics, LLC Announces Publication of Phase I/II Myocet(R) (Nonpegylated Liposomal Doxorubicin) Data in Advanced Breast Cancer Patients

...xorubicin) Myocet is a liposome-encapsulated doxorubicin-citrate complex. By encapsulating doxorubicin in a liposome - a manufactured, microscopic, vesicle consisting of discreet aqueous compartments surrounded by membranes composed of naturally occurring fats - its distribution in the body is altered in ...

Prominent Urologist Dr. David B. Samadi Presents Breakthrough Robotic Surgery Techniques on OR Live Webcast

...ot;You can see while I have a chance to cut the vas deferens, I keep holding onto it because it's going to guide me as to where the tip of the seminal vesicle is. This is critical, especially if you have a very long seminal vesicle. I really don't like to leave the tip of the seminal vesicle." Samad...

The Protein Tomography(TM) Award Now Published on Sidec's Homepage

...expose research groups in the biopharmaceutical industry to this revolutionary technology. At UCB we used Protein Tomography(TM) to image the synaptic vesicle of protein 2A in situ. To my knowledge this is the only method available today where it is possible to visualize 3-D images of individual molecules in...

Sidec Announces the First Protein Tomography(TM) Award at Sidec's Executive Forum at PEGS

... Sidec's Executive Forum. Berkley Lynch, previously Principal Investigator at UCB, spoke about the use of Protein Tomography(TM) to Image the Synaptic vesicle of protein 2A in situ and Jose R. Casas-Finet, Director, R&D and Medical Biochemistry, MedImmune showed how antibody conformations and interactions ca...

Cellular construction methods emulated

...gregation. This results in the formation of novel, complex, compartmentalized architectures, for example, interpenetrating but independent networks or vesicle configurations that coexist with gel fibers. ...

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

...r optimal discrimination of each pit or vesicle from the local background. This significantly impr... identify and accurately quantitate actual pit and vesicle formation even if the intensity varies ... for beta-arrestin, resulting in fluorescent vesicle formation. Images were acquired on an ...
Vesicle in Biological Products

Synaptic Vesicle I Sampler Kit from BD Biosciences Pharmingen

Description: Synaptic Vesicle I Sampler Kit 10g each...
Company:BD Biosciences Pharmingen

Sheep Anti-Human Vesicle Associated Membrane Protein (VAMP 1/2) Polyclonal Antibody, Unconjugated from Exalpha Biologicals, Inc.

Description: Vesicle Associated Membrane Protein (VAMP 1/2)...
Company:Exalpha Biologicals, Inc.

Synaptic Vesicles Isolation Kit from Sigma-Aldrich

Description:...n Kit provides all the reagents required for preparing an enriched synaptic vesicle fraction. The isolation procedure involves tissue homogenization, hypo-osmo...t. The kit also contains an antibody specific for synaptophysin, a synaptic vesicle marker, to follow the enrichment procedure. The kit was tested on rat and r...
Company:Sigma-Aldrich

Rabbit Anti-Mint3 Polyclonal Antibody, Unconjugated from ABR-Affinity BioReagents

Description:...eraction modules. Mint1 and 2 appear to be expressed exclusively in the brain and are found to bind to Munc18, an essential component of the synaptic vesicle fusion machinery. Mint3 is ubiquitously expressed in all tissues and is expressed at the lowest levels in the brain and testis. Studies show that mi...
Company:ABR-Affinity BioReagents
Vesicle in Biological Definition

Vesicle

In cell biology , a vesicle is a relatively small and enclosed compartment, separated from the cytosol by at least one lipid bilayer . Vesicles store, transport , or digest cellular products and wastes . This biomembrane enclosing the vesicle is the same as that of the outer (cellu...

Acrosome

...tact with ZP3 in the zona pellucida, this reaction takes place, during which actin polymerizes to form the acrosomal process ; also, the acrosomal vesicle fuses with the plasma membrane of the egg cell, and digestive enzymes are released from the sperm to digest the zona pellucida and give access to th...

Acrosome

...tact with ZP3 in the zona pellucida, this reaction takes place, during which actin polymerizes to form the acrosomal process ; also, the acrosomal vesicle fuses with the plasma membrane of the egg cell, and digestive enzymes are released from the sperm to digest the zona pellucida and give access to th...

Cell biology

...gi apparatus Lipid bilayer Membrane Mitochondrion Nucleus Organelle Passive transport Ribosome Signal transduction vesicle Important publications in cell biology External links The Virtual Library of Biochemistry and Cell Biology Institute of Molecu...

Cytoplasm

...ble to life. Vital metabolic reactions take place here, for example anaerobic glycolysis and proteic synthesis . See also : microtubules , vesicle ...

Cell membrane

...ian Academy of Sciences, Series of Biology , 12, No 5, 1986, pp. 347-352 (In Russian, English summary) External links Lipids, Membranes and vesicle Trafficking - The Virtual Library of Biochemistry and Cell Biology ...

Lipid

...pid bilayers form the foundation of all biological membranes . See also Biochemistry Fat External links Lipids, Membranes and vesicle Trafficking - The Virtual Library of Biochemistry and Cell Biology IUPAC glossary entry for the lipid class of molecules what is IUPAC? ...

Neurotransmitter

...ynapse, the rapid depolarization causes calcium ion channels to open. Calcium then stimulates the transport of vesicles to the synaptic membrane: the vesicle and cell membrane fuse, leading to the release of the packaged neurotransmitter, a mechanism called exocytosis . The neurotransmitters then dif...

Organelle

... endoplasmic reticulum golgi apparatus lysosome myofibril plastids nucleus peroxisome ribosome vacuole vesicle melanosome Other related structures: flagellum cytosol endomembrane system nucleosome microtubule cell membra...

Cell membrane

...ian Academy of Sciences, Series of Biology , 12, No 5, 1986, pp. 347-352 (In Russian, English summary) External links Lipids, Membranes and vesicle Trafficking - The Virtual Library of Biochemistry and Cell Biology ...
Vesicle in Biological Dictionary

Vesicle

A vesicle is a small bubble of liquid within a cell. More technically, a vesicle is a small, intracellular, membrane-enclosed sac that stores or transports substances within a cell. Vesicles form naturally because of the... Vesicle (biology), a relatively small and enclosed compartment ...

Transport vesicle

A vesicle is a small bubble of liquid within a cell. More technically, a vesicle is a small, intracellular, membrane-enclosed sac that stores or transports substances within a cell. Vesicles form naturally because of the... ... in the plasma membrane after the fusion of the transport ...

Vacuoles

... Compare prices and buy online at Shopzilla. The vacuoles help to provide structural support for the plant cells. ... The vacuole is a large vesicle which is also used to store nutrients, ... Online Shopping at SpotCost.com - New and used books like Plant Cell Vacuoles An Introduction 2nd edi...

Transport protein

... transport protein . IPR011701. Major ... Mouse protein -coding gene Vat1. Represented by 685 ESTs from 170 cDNA libraries. ... Mus musculus vesicle amine transport protein 1 homolog (T californica), mRNA ... ... Auxin Transport Proteins ... fluorescent protein fusion to an IAA tra...

Spermatids

...teins in the RNA metabolism of late spermatids , presumably in the storage or ... In round spermatids , the Golgi apparatus and the acrosomal vesicle (stages 2-3) ... Loir M, Lanneau M. Separation of mammalian spermatids . Methods Cell Biol. ... ...

Seminal vesicles

...wed from in front and above. ... Each seminal vesicle consists of a single tube, coiled upon itself, an...t of low grade phyllodes tumor of the seminal vesicle . Primary malignancies of the seminal vesicl...rare. ... muscle differentiation in seminal vesicle sarcomas. ... The left seminal ...

Rough ER

...ic endoplasmic reticulum . ... The rough ER manufactures membranes and secretory proteins. ... ... analyses of peroxisomal and rough ER vesicle fractions revealed that AtAPX ... Thus, consideration of rough ER or portions thereof (e.g. pER) as an authentic ... ...

Organelles

...ller pieces to cells that include proteins and organelles . ... Organelles : (1) nucleolus (2) nucleus (3) ribosomes (little dots) (4) vesicle ... For this reason, ribosomes may sometimes be described as "non-membranous organelles " ... An interactive flash animation comparing animal ...

Oocytes

... ... Immature oocytes from superovulated cycles can undergo the final stages of ... MI oocytes have already undergone the process of germinal vesicle breakdown ... Preparation of Oocytes for Fertilization. Sperm Purification (Percoll Centrifugation) ... Transfer of Fertilized Oocytes into Em...

Nucleus

...007 Sony Computer Entertainment Europe. ... In cell biology, the nucleus (pl. ... Organelles: (1) nucleolus (2) nucleus (3) ribosome (4) vesicle (5) rough ... function of the nucleus is to maintain the ... This collection will form the nucleus of a new library. ... Dutch: nucleus nl(n...
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