Rabbit Polyclonal Giantin antibody. Golgi marker. Suitable for IHC-P, WB, ICC/IF and reacts with Human samples. Cited in 30 publications.
pH: 7.4
Preservative: 0.02% Sodium azide
Constituents: 98.98% PBS, 1% BSA
IHC-P | WB | ICC/IF | |
---|---|---|---|
Human | Tested | Tested | Tested |
Species | Dilution info | Notes |
---|---|---|
Species Human | Dilution info 0.10000-1.00000 µg/mL | Notes Perform heat-mediated antigen retrieval with citrate buffer pH 6 before commencing with IHC staining protocol. |
Species | Dilution info | Notes |
---|---|---|
Species Human | Dilution info 1/1000 | Notes - |
Species | Dilution info | Notes |
---|---|---|
Species Human | Dilution info 1 µg/mL | Notes - |
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May participate in forming intercisternal cross-bridges of the Golgi complex.
Golgin subfamily B member 1, 372 kDa Golgi complex-associated protein, Giantin, Macrogolgin, GCP372, GOLGB1
Rabbit Polyclonal Giantin antibody. Golgi marker. Suitable for IHC-P, WB, ICC/IF and reacts with Human samples. Cited in 30 publications.
pH: 7.4
Preservative: 0.02% Sodium azide
Constituents: 98.98% PBS, 1% BSA
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Giantin also known as Giantin Golgi or Giantin protein is a large coiled-coil protein with a molecular mass of approximately 376 kDa. It localizes primarily to the cis/medial region of the Golgi apparatus serving as a Golgi marker. As a part of the structural framework of the Golgi it plays an important role in maintaining the integrity and architecture of the Golgi stacks. Giantin is highly expressed in a variety of cell types including those in the liver kidney and brain making it an important target in cell biology studies.
The Giantin protein functions as a scaffold that supports the Golgi apparatus’s dynamic organization. It is part of a larger complex that influences vesicular trafficking within the cell. This ability to interact with various vesicle coat proteins points to its important role in the sorting and transport of proteins and lipids through the secretory pathway. Besides Giantin is involved in the assembly of the Golgi matrix and influences its disassembly during mitosis suggesting a significant involvement in cell proliferation and division.
Giantin helps regulate intracellular transport pathways connecting the endoplasmic reticulum (ER) and Golgi as well as intra-Golgi trafficking. It interfaces with other significant proteins such as GM130 and GRASP65 which are involved in Golgi dynamics and structure. This protein also participates in the coordination of the secretory pathway important for the modification and sorting of proteins destined for the cell surface or lysosomes.
Giantin has been linked to conditions involving impaired protein glycosylation and Golgi-related transport defects. Notably defects in Giantin function are associated with connective tissue disorders and certain forms of Golgi dysfunctions like Congenital Disorders of Glycosylation (CDG). Additionally Giantin’s interactions with proteins such as Sec23/24 and Bet3 which are cargo-binding components of the COPII vesicle coat connect its functional disruption to diseases characterized by impaired vesicular trafficking and cellular secretion malfunctions.
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Terms & Conditions.
ab80864 staining Giantin in HeLa cells. The cells were fixed with 100% methanol (5 min), permeabilized with 0.1% PBS-Triton X-100 for 5 minutes and then blocked with 1% BSA/10% normal goat serum/0.3M glycine in 0.1%PBS-Tween for 1h. The cells were then incubated overnight at 4°C with ab80864 at 1µg/ml and Anti-alpha Tubulin antibody [DM1A] - Loading Control ab7291, Mouse monoclonal [DM1A] to alpha Tubulin - Loading Control. Cells were then incubated with Goat Anti-Rabbit IgG H&L (Alexa Fluor® 488) preadsorbed ab150081, Goat polyclonal Secondary Antibody to Rabbit IgG - H&L (Alexa Fluor® 488), pre-adsorbed at 1/1000 dilution (shown in green) and Goat Anti-Mouse IgG H&L (Alexa Fluor® 594) preadsorbed ab150120, Goat polyclonal Secondary Antibody to Mouse IgG - H&L (Alexa Fluor® 594), pre-adsorbed at 1/1000 dilution (shown in pseudocolour red). Nuclear DNA was labelled with DAPI (shown in blue).
Also suitable in cells fixed with 4% paraformaldehyde (10 min).
Image was acquired with a high-content analyser (Operetta CLS, Perkin Elmer) and a maximum intensity projection of confocal sections is shown.
ab80864 was shown to recognize GOLGB1 in wild-type HAP1 cells as signal was lost at the expected MW in GOLGB1 knockout cells. Additional cross-reactive bands were observed in the wild-type and knockout cells. Wild-type and GOLGB1 knockout samples were subjected to SDS-PAGE. ab80864 and Anti-Vinculin antibody [VIN-54] ab130007 (Mouse anti-Vinculin loading control) were incubated overnight at 4°C at 1/1000 dilution and 1/20000 dilution respectively. Blots were developed with Goat anti-Rabbit IgG H&L (IRDye® 800CW) preabsorbed Goat anti-Rabbit IgG H&L (IRDye® 800CW) preadsorbed ab216773 and Goat anti-Mouse IgG H&L (IRDye® 680RD) preabsorbed Goat anti-Mouse IgG H&L (IRDye® 680RD) preadsorbed ab216776 secondary antibodies at 1/20000 dilution for 1 hour at room temperature before imaging.
All lanes: Western blot - Anti-Giantin antibody - Golgi Marker (ab80864) at 1/1000 dilution
Lane 1: Wild-type HAP1 whole cell lysate at 20 µg
Lane 2: GOLGB1 knockout HAP1 whole cell lysate at 20 µg
Predicted band size: 376 kDa
IHC image of ab80864 staining in human kidney formalin fixed paraffin embedded tissue section*, performed on a Leica BondTM system using the standard protocol F. The section was pre-treated using heat mediated antigen retrieval with sodium citrate buffer (pH6, epitope retrieval solution 1) for 20 mins. The section was then incubated with ab80864, 0.1μg/ml for 15 mins at room temperature and detected using an HRP conjugated compact polymer system. DAB was used as the chromogen. The section was then counterstained with haematoxylin and mounted with DPX
For other IHC staining systems (automated and non-automated) customers should optimize variable parameters such as antigen retrieval conditions, primary antibody concentration and antibody incubation times.
*Tissue obtained from the Human Research Tissue Bank, supported by the NIHR Cambridge Biomedical Research Centre
ab80864 staining Giantin in WIF-B cells (hepatoma-derived hybrid cell line) by ICC/IF (Immunocytochemistry/Immunofluorescence). Cells were fixed with formaldehyde; permeabilized with 0.2% Triton X-100 and blocked with 1% Donkey serum in 0.1% PBST for 1 hour at 22°C. Samples were incubated at 1/25 dilution for 3 hours at 22°C. An Alexa Fluor® 594 Donkey anti rabbit was used as the secondary antibody at 1/200 dilution.
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