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Home > Products > 131 103C5

VGAT antibody luminal domain - 131 103C5 K.O.

VGAT or VIAAT is the GABA and glycine transporter in the membrane of synaptic vesicles
Rabbit polyclonal purified antibody
Cat. No.: 131 103C5
Amount: 50 µg
Price: $780.00
Cat. No. 131 103C5 50 µg specific antibody, lyophilized. Affinity purified with the immunogen, fluorescence-labeled with Cyanine 5.

Fluorescence labeled antibodies conjugated to (Sulfo-)Cyanine dyes are well suited for standard epi-fluorescence setups and confocal microscopy.

Cyanine 2: λex 492 nm / λem 508 nm
Sulfo-Cyanine 3: λex 554 nm / λem 568 nm
Sulfo-Cyanine 5: λex 649 nm / λem 667 nm

(Sulfo-)Cyanine 5 dyes are well suited for STORM high resolution microscopy.
Sulfo-Cyanines are highly water soluble and allow a higher labeling degree and consequently brighter conjugates.
Albumin was added for stabilization. For reconstitution add 50 µl H2O to get a 1mg/ml solution in PBS. Either add 1:1 (v/v) glycerol, then aliquot and store at -20°C until use, or store aliquots at -80°C without additives.
Reconstitute immediately upon receipt! Avoid bright light when working with the antibody to minimize photo bleeching of the fluorescent dye.
Applications
 
WB: N/A
IP: N/A
ICC: 1 : 100 up to 1 : 200 (see remarks) gallery  
IHC: yes
IHC-P: not tested yet

Western blot (WB); separation of proteins by PAGE and subsequent transfer to a membrane. Detection of target molecules is carried out with antibodies. Some antibodies require special sample preparation steps. For details, please refer to the “Remarks” section.

Immunoprecipitation (IP); Immunoisolation or pulldown of a target molecule using an antibody. For details and product specific hints, please refer to the ”Remarks” section.

Immunocytochemistry (ICC) on 4% PFA fixed cells. Immunoreactivity is usually revealed by fluorescence. Some antibodies require special fixation methods. For details, please refer to the “Remarks” section.

Immunohistochemistry (IHC) on 4% PFA perfusion fixed tissue with 24h PFA post fixation. Immunoreactivity is usually revealed by fluorescence or a chromogenic substrate. Some antibodies require special fixation methods or antigen retrieval steps. For details, please refer to the ”Remarks” section.

Immunohistochemistry (IHC-P) of formalin fixed, paraffin embedded (FFPE) tissue (some antibodies require special antigen retrieval steps, please refer to the ”Remarks” section). Immunoreactivity is usually revealed by fluorescence or a chromogenic substrate.
Label Sulfo-Cyanine 5
Immunogen Synthetic peptide corresponding to residues near the carboxy terminus of rat VGAT (UniProt Id: O35458)
Reactivity Reacts with: human (Q9H598), rat (O35458), mouse (O35633).
Other species not tested yet.
Specificity K.O. validated
Remarks

ICC: This antibody is intended for labeling of recycling synaptic vesicles at inhibitory nerve terminals by adding to living neurons. Further details see Martens et al. 2008.
Data sheet 131_103c5.pdf

References for VGAT - 131 103C5

Mechanism and effects of pulsatile GABA secretion from cytosolic pools in the human beta cell.
Menegaz D, Hagan DW, Almaça J, Cianciaruso C, Rodriguez-Diaz R, Molina J, Dolan RM, Becker MW, Schwalie PC, Nano R, Lebreton F, et al.
Nature metabolism (2019) 111: 1110-1126. 131 103C5 ICC, IHC; tested species: human,rat
Nanoscale Molecular Reorganization of the Inhibitory Postsynaptic Density Is a Determinant of GABAergic Synaptic Potentiation.
Pennacchietti F, Vascon S, Nieus T, Rosillo C, Das S, Tyagarajan SK, Diaspro A, Del Bue A, Petrini EM, Barberis A, Cella Zanacchi F, et al.
The Journal of neuroscience : the official journal of the Society for Neuroscience (2017) 377: 1747-1756. 131 103C5 ICC
Inter-Synaptic Lateral Diffusion of GABAA Receptors Shapes Inhibitory Synaptic Currents.
de Luca E, Ravasenga T, Petrini EM, Polenghi A, Nieus T, Guazzi S, Barberis A
Neuron (2017) 951: 63-69.e5. 131 103C5 ICC; tested species: mouse
Synaptic recruitment of gephyrin regulates surface GABAA receptor dynamics for the expression of inhibitory LTP.
Petrini EM, Ravasenga T, Hausrat TJ, Iurilli G, Olcese U, Racine V, Sibarita JB, Jacob TC, Moss SJ, Benfenati F, Medini P, et al.
Nature communications (2014) 5: 3921. 131 103C5 ICC; tested species: mouse
Microglial Displacement of GABAergic Synapses Is a Protective Event during Complex Febrile Seizures.
Wan Y, Feng B, You Y, Yu J, Xu C, Dai H, Trapp BD, Shi P, Chen Z, Hu W
Cell reports (2020) 335: 108346. 131 103C5 IHC; tested species: mouse
Mechanism and effects of pulsatile GABA secretion from cytosolic pools in the human beta cell.
Menegaz D, Hagan DW, Almaça J, Cianciaruso C, Rodriguez-Diaz R, Molina J, Dolan RM, Becker MW, Schwalie PC, Nano R, Lebreton F, et al.
Nature metabolism (2019) 111: 1110-1126. 131 103C5 ICC, IHC; tested species: human,rat
Cat. No.: 131 103C5
Amount: 50 µg
Price: $780.00
Mechanism and effects of pulsatile GABA secretion from cytosolic pools in the human beta cell.
Menegaz D, Hagan DW, Almaça J, Cianciaruso C, Rodriguez-Diaz R, Molina J, Dolan RM, Becker MW, Schwalie PC, Nano R, Lebreton F, et al.
Nature metabolism (2019) 111: 1110-1126. 131 103C5 ICC, IHC; tested species: human,rat
Nanoscale Molecular Reorganization of the Inhibitory Postsynaptic Density Is a Determinant of GABAergic Synaptic Potentiation.
Pennacchietti F, Vascon S, Nieus T, Rosillo C, Das S, Tyagarajan SK, Diaspro A, Del Bue A, Petrini EM, Barberis A, Cella Zanacchi F, et al.
The Journal of neuroscience : the official journal of the Society for Neuroscience (2017) 377: 1747-1756. 131 103C5 ICC
Inter-Synaptic Lateral Diffusion of GABAA Receptors Shapes Inhibitory Synaptic Currents.
de Luca E, Ravasenga T, Petrini EM, Polenghi A, Nieus T, Guazzi S, Barberis A
Neuron (2017) 951: 63-69.e5. 131 103C5 ICC; tested species: mouse
Synaptic recruitment of gephyrin regulates surface GABAA receptor dynamics for the expression of inhibitory LTP.
Petrini EM, Ravasenga T, Hausrat TJ, Iurilli G, Olcese U, Racine V, Sibarita JB, Jacob TC, Moss SJ, Benfenati F, Medini P, et al.
Nature communications (2014) 5: 3921. 131 103C5 ICC; tested species: mouse
Microglial Displacement of GABAergic Synapses Is a Protective Event during Complex Febrile Seizures.
Wan Y, Feng B, You Y, Yu J, Xu C, Dai H, Trapp BD, Shi P, Chen Z, Hu W
Cell reports (2020) 335: 108346. 131 103C5 IHC; tested species: mouse
Mechanism and effects of pulsatile GABA secretion from cytosolic pools in the human beta cell.
Menegaz D, Hagan DW, Almaça J, Cianciaruso C, Rodriguez-Diaz R, Molina J, Dolan RM, Becker MW, Schwalie PC, Nano R, Lebreton F, et al.
Nature metabolism (2019) 111: 1110-1126. 131 103C5 ICC, IHC; tested species: human,rat
ICC
Background
The vesicular GABA transporter VGAT is responsible for uptake and storage of GABA and glycine by synaptic vesicles in the central nervous system. For this reason it is frequently referred to as the vesicular inhibitory aminoacid transporter VIAAT. It is different from the plasma membrane transporters in that it is driven by a proton electrochemical gradient across the vesicle membrane. So far, only one isoform is known. VGAT is currently the best marker for inhibitory nerve terminals.
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