TSG101 Antibody (4A10)

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Western Blot: TSG101 Antibody (4A10) [NB200-112] - Whole cell lysates (WCL) or exosome sample from MDA-MB-231 cells was loaded with 10 ug/lane. 10% SDS-PAGE. TSG101 Antibody (NB200-112) was used for primary antibody: ...read more

Product Details

Summary
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    • Catalog Number
      NB200-112
    • Availability
      Product Discontinued

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TSG101 Antibody (4A10) Summary

Immunogen
Amino acids 167-374 of TSG101 protein expressed in E. coli.
Marker
Exosome Marker
Isotype
IgG1
Clonality
Monoclonal
Host
Mouse
Gene
TSG101
Purity
Antigen Affinity-purified
Innovator's Reward
Test in a species/application not listed above to receive a full credit towards a future purchase.

Applications/Dilutions

Dilutions
  • Electron Microscopy 1:10
  • ELISA 1:100 - 1:2000
  • Flow Cytometry 1:25-1:200
  • Immunocytochemistry/ Immunofluorescence 1:500-1:1000
  • Immunohistochemistry Free-Floating
  • Immunohistochemistry 1:100
  • Immunohistochemistry-Paraffin 1:100-1:1000
  • Immunoprecipitation 1:10-1:500
  • Knockdown Validated
  • Western Blot 1:500-1:3000
Theoretical MW
44 kDa.
Disclaimer note: The observed molecular weight of the protein may vary from the listed predicted molecular weight due to post translational modifications, post translation cleavages, relative charges, and other experimental factors.
Reviewed Applications
Read 3 Reviews rated 4.3
using
NB200-112 in the following applications:

Publications
Read Publications using
NB200-112 in the following applications:

Reactivity Notes

Use in Rat reported in scientific literature (PMID:34576126). Primate reactivity reported in scientific literature (PMID: 18267010). Please note that this antibody is reactive to Mouse and derived from the same host, Mouse. Mouse-On-Mouse blocking reagent may be needed for IHC and ICC experiments to reduce high background signal. You can find these reagents under catalog numbers PK-2200-NB and MP-2400-NB. Please contact Technical Support if you have any questions.

Packaging, Storage & Formulations

Storage
Store at 4C short term. Aliquot and store at -20C long term. Avoid freeze-thaw cycles.
Buffer
PBS
Preservative
No Preservative
Purity
Antigen Affinity-purified

Alternate Names for TSG101 Antibody (4A10)

  • ESCRT-I complex subunit TSG101
  • TSG10
  • TSG101
  • tumor susceptibility gene 10
  • tumor susceptibility gene 101 protein
  • tumor susceptibility gene 101
  • tumor susceptibility protein
  • VPS23

Background

Tumor susceptibility 101 protein (human TSG101 theoretical molecular weight 44kDa) is the mammalian homologue of the yeast protein Vps23 which plays a role in endosomal and multivesicular body trafficking. TSG101 forms part of the endosomal sorting complexes required for transport complex 1 (ESCRT-I), a cytosolic multiprotein complex consisting additionally of Vps28, Vps37 (A-D) and Mvb12 (A, B) or UBAP1 (1). TSG101 contains multiple domains including the amino terminal ubiquitin e2 variant (UEV) domain, a proline-rich (RRR) domain, a coiled coil (CC) domain, and a carboxy terminal alpha-helical/steadiness box (SB) domain (2). As part of the ESCRT-I complex, TSG101 interacts through its UEV domain with ubiquitinated membrane proteins and members of the ESCRT-0 complex. The UEV domain plays a critical role for various TSG101 functions such as protein sorting into multivesicular bodies and late endosomes, and in the process of viral budding. For example, TSG101 interacts with the intermediate-conductance, Ca2+ -activated K+ channel (KCa3.1), facilitating its targeting to the lysosome for degradation (3). Additionally, TSG101 has been implicated in the turnover of connexins such as connexins 43 and 45 (4). TSG101 plays a role in other cellular functions including transcriptional regulation, cytokinesis and cell growth (2).

Upon its initial discovery, TSG101 was recognized as a tumor suppressor protein due to the identification of deletions within the TSG101 gene in human breast carcinomas. However, re-examination of the initial findings argued against this function and supported that TSG101 promotes tumorigenesis (2). In agreement with this role, TSG101 expression is upregulated in several types of cancer including breast, ovarian, and colorectal carcinoma.

References

1. Schmidt, O., & Teis, D. (2012). The ESCRT machinery. Current Biology. https://doi.org/10.1016/j.cub.2012.01.028

2. Jiang, Y., Ou, Y., & Cheng, X. (2013). Role of TSG101 in cancer. Frontiers in Bioscience. https://doi.org/10.2741/4099

3. Balut, C. M., Gao, Y., Murray, S. A., Thibodeau, P. H., & Devor, D. C. (2010). ESCRT-dependent targeting of plasma membrane localized KCa3.1 to the lysosomes. American Journal of Physiology - Cell Physiology. https://doi.org/10.1152/ajpcell.00120.2010

4. Su, V., & Lau, A. F. (2014). Connexins: Mechanisms regulating protein levels and intercellular communication. FEBS Letters. https://doi.org/10.1016/j.febslet.2014.01.013

Limitations

This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed for 1 year from date of receipt.

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Recent Reviews

4.3
5
1
4
2
3
0
2
0
1
0

Verified Customer
10/20/2022
Application: WB
Species: Human

Elizabeth Soberg
06/05/2018
Application: WB
Species: Mouse

Verified Customer
12/08/2017
Application: WB
Species: Mouse

Bioinformatics

Gene Symbol TSG101
Entrez
Uniprot