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