WB, IP
H M R
Endogenous
21
Rabbit IgG
#Q60771
18417
Product Information
Product Usage Information
| Application | Dilution |
|---|---|
| Western Blotting | 1:1000 |
| Immunoprecipitation | 1:50 |
Storage
Specificity / Sensitivity
Species Reactivity:
Human, Mouse, Rat
Source / Purification
Monoclonal antibody is produced by immunizing animals with recombinant protein specific to the amino terminus of mouse claudin-11 protein.
Background
Tight junctions, or zonula occludens, form a continuous barrier to fluids across the epithelium and endothelium. They function in regulation of paracellular permeability and in the maintenance of cell polarity, blocking the movement of transmembrane proteins between the apical and the basolateral cell surfaces. Tight junctions are composed of claudin and occludin proteins, which join the junctions to the cytoskeleton (1,2). The claudin family is composed of 23 integral membrane proteins, and their expression, which varies among tissue types, may determine both the strength and properties of the epithelial barrier. Alteration in claudin protein expression pattern is associated with several types of cancer (2,3). Claudin-1 is expressed primarily in keratinocytes (4) and normal mammary epithelial cells, but is absent or reduced in breast carcinomas and breast cancer cell lines (5,6).
Claudin-11, originally identified as oligodendrocyte specific protein (OSP), is a transmembrane protein member of the claudin family that is abundantly expressed by oligodendrocytes and within tight junctions of central nervous system myelin (7,8). Mouse models lacking claudin-11 fail to assemble these tight junctions, leading to altered neurotransmitter levels and significant loss of function behavioral changes (9).
- Shin, K. et al. (2006) Annu Rev Cell Dev Biol 22, 207-35.
- Oliveira, S.S. and Morgado-Díaz, J.A. (2007) Cell Mol Life Sci 64, 17-28.
- Hewitt, K.J. et al. (2006) BMC Cancer 6, 186.
- Brandner, J.M. et al. (2002) Eur J Cell Biol 81, 253-63.
- Krämer, F. et al. (2000) Hum Genet 107, 249-56.
- Swisshelm, K. et al. (1999) Gene 226, 285-95.
- Bronstein, J.M. et al. (1996) Neurology 47, 772-8.
- Morita, K. et al. (1999) J Cell Biol 145, 579-88.
- Maheras, K.J. et al. (2018) Sci Rep 8, 3798.
Species Reactivity
Species reactivity is determined by testing in at least one approved application (e.g., western blot).
Western Blot Buffer
IMPORTANT: For western blots, incubate membrane with diluted primary antibody in 5% w/v BSA, 1X TBS, 0.1% Tween® 20 at 4°C with gentle shaking, overnight.
Applications Key
WB: Western Blotting IP: Immunoprecipitation
Cross-Reactivity Key
H: human M: mouse R: rat Hm: hamster Mk: monkey Vir: virus Mi: mink C: chicken Dm: D. melanogaster X: Xenopus Z: zebrafish B: bovine Dg: dog Pg: pig Sc: S. cerevisiae Ce: C. elegans Hr: horse GP: Guinea Pig Rab: rabbit All: all species expected
Trademarks and Patents
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