Anti-Somatostatin Receptor 5 antibody [UMB4] ab109495 is a rabbit monoclonal antibody that is used in Somatostatin Receptor 5 western blotting and IHC. Suitable for human samples.
- Recombinant format for unrivaled batch-batch consistency: no need for same-lot requests
- Validated on the Leica BOND™ RX automated IHC staining platform for IHC
- Antibody clone UMB4 is the most widely used clone for Somatostatin Receptor 5 on the market
- Specificity and sensitivity confirmed in IHC with multi-tissue microarray (TMA) validation
pH: 7.2 - 7.4
Preservative: 0.01% Sodium azide
Constituents: 59% PBS, 40% Glycerol (glycerin, glycerine), 0.05% BSA
IHC-P | Flow Cyt | WB | ICC/IF | |
---|---|---|---|---|
Human | Tested | Not recommended | Tested | Not recommended |
Species | Dilution info | Notes |
---|---|---|
Species Human | Dilution info 1/50 | Notes For unpurified use at 1/100-1/250 Perform heat-mediated antigen retrieval via the pressure cooker method before commencing with IHC staining protocol. |
Species | Dilution info | Notes |
---|---|---|
Species Human | Dilution info - | Notes - |
Species | Dilution info | Notes |
---|---|---|
Species Human | Dilution info 1/1000 - 1/10000 | Notes Internal WB test in PANC-1, human pancreas and human brain lysates indicates this antibody might not detect endogenous Somatostatin Receptor 5. |
Species | Dilution info | Notes |
---|---|---|
Species Human | Dilution info - | Notes - |
Receptor for somatostatin 28 and to a lesser extent for somatostatin-14. The activity of this receptor is mediated by G proteins which inhibit adenylyl cyclase. Increases cell growth inhibition activity of SSTR2 following heterodimerization.
Somatostatin receptor type 5, SS-5-R, SS5-R, SS5R, SST5, SSTR5
Anti-Somatostatin Receptor 5 antibody [UMB4] ab109495 is a rabbit monoclonal antibody that is used in Somatostatin Receptor 5 western blotting and IHC. Suitable for human samples.
- Recombinant format for unrivaled batch-batch consistency: no need for same-lot requests
- Validated on the Leica BOND™ RX automated IHC staining platform for IHC
- Antibody clone UMB4 is the most widely used clone for Somatostatin Receptor 5 on the market
- Specificity and sensitivity confirmed in IHC with multi-tissue microarray (TMA) validation
pH: 7.2 - 7.4
Preservative: 0.01% Sodium azide
Constituents: 59% PBS, 40% Glycerol (glycerin, glycerine), 0.05% BSA
Internal WB test in PANC-1, human pancreas and human brain lysates indicates this antibody might not detect endogenous Somatostatin Receptor 5.
Our RabMAb® technology is a patented hybridoma-based technology for making rabbit monoclonal antibodies. For details on our patents, please refer to RabMAb® patents.
This product is a recombinant monoclonal antibody, which offers several advantages including:
For more information, read more on recombinant antibodies.
Somatostatin Receptor 5 also known as SSTR5 is a G protein-coupled receptor with a molecular weight of approximately 61 kDa. Mechanically SSTR5 couples with G proteins to inhibit adenylyl cyclase activity leading to reduced cAMP levels. This receptor is expressed in different tissues including the brain pituitary gland and pancreas reflecting its diverse physiological roles. SSTR5 exhibits a distinct expression pattern compared to other somatostatin receptors providing a unique contribution to tissue-specific functions.
The Somatostatin Receptor 5 regulates hormone secretion and cell proliferation. SSTR5 is not a part of a larger protein complex but it interacts with molecules such as somatostatin which is a peptide hormone that inhibits the release of several other hormones. Through these interactions SSTR5 helps control endocrine and exocrine secretions. Its role in modulating cell growth makes it an important factor in maintaining tissue homeostasis and influencing cell signaling processes.
Somatostatin Receptor 5 is involved in the cAMP signaling pathway and the MAPK/ERK pathway. In the cAMP signaling pathway SSTR5 helps mediate the inhibitory effects on adenylyl cyclase while in the MAPK/ERK pathway it influences cell proliferation and differentiation. Related proteins in these pathways include other somatostatin receptors like SSTR2 with which SSTR5 might share regulatory effects on inhibitory processes. These pathways highlight the receptor's role in integrating multiple signaling cascades affecting both cellular metabolism and growth.
Somatostatin Receptor 5 is associated with growth hormone-related disorders such as acromegaly and certain types of cancer like pancreatic cancer. In acromegaly SSTR5 alongside SSTR2 impacts the pathological overproduction of growth hormone due to its expression in pituitary adenomas. In pancreatic cancer an altered expression of SSTR5 can influence tumor progression due to its regulatory effects on cell proliferation pathways. Understanding SSTR5's interaction with these diseases helps in developing therapeutic strategies targeting its specific signaling functions.
We have tested this species and application combination and it works. It is covered by our product promise.
We have not tested this specific species and application combination in-house, but expect it will work. It is covered by our product promise.
This species and application combination has not been tested, but we predict it will work based on strong homology. However, this combination is not covered by our product promise.
We do not recommend this combination. It is not covered by our product promise.
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Somatostatin receptor 2 (SSTR2), somatostatin receptor 5 (SSTR5) and CXCR4 expression in the hepatoblastoma cell line HepG2 and in the hepatoma cell lines Hep3B and HuH-7 in comparison to the small cell lung cancer cell line NCI-H69 and the neuroendocrine tumor cell line BON-1. Immunohistochemistry (red-brown color), counterstaining with hematoxylin; scale bar: 20 μm. Representative photomicrographs of three independent batches are shown.
HepG2, Hep3B, HuH-7, NCI-H-69, and BON-1 cells (DSMZ, Braunschweig, Germany) were grown in 75 cm2 culture flasks to a confluency of 80%. Cells were washed once with phosphate-buffered saline and transferred into 10% buffered formalin (J.T.Baker, Deventer, The Netherlands) for 2 h. After centrifugation for 10 min at 3500 x g, the supernatant was removed, and 1 ml human pool plasma was added to the cell samples. After brief vortexing, 100 μl human fibrinogen (50–70% protein; ≥80% clottable) was added to each sample, and the samples were vortexed again. The resulting clots were placed for another 24 h in 10% buffered formalin and embedded in paraffin blocks.
(After Kaemmerer, D. et al, BMC cancer, 2017 Dec 28;17(1):896. doi: 10.1186/s12885-017-3911-3). PMID: 29282035
Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/)
Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) analysis of Human pancreas tissue sections labeling Somatostatin Receptor 5 with Purified ab109495 at 1:50 dilution (16.3 µg/ml). Heat mediated antigen retrieval was performed with Tris/EDTA buffer (pH 9.0, epitope retrieval solution 2) for 10mins.. Performed on a Leica Biosystems BOND ® RX instrument.was used as the secondary antibody.Negative control:PBS instead of the primary antibody.Hematoxylin was used as a counterstain.
Blocking and diluting buffer: 5% NFDM/TBST
All lanes: Western blot - Anti-Somatostatin Receptor 5 antibody [UMB4] (ab109495) at 0.08 µg/mL
All lanes: 293T (Human embryonic kidney epithelial cell) transfected with human SSTR5 expression vector, whole cell lysate at 15 µg
All lanes: Western blot - Goat Anti-Rabbit IgG H&L (HRP) (Goat Anti-Rabbit IgG H&L (HRP) ab97051) at 1/20000 dilution
Predicted band size: 39 kDa
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