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Please note: We are reviewing Western blot images included in the antibody testing data in our catalog, including those provided by third parties. Unless expressly labeled or annotated as “raw-unedited”, Western blot images included in the antibody testing data in our catalog may have been edited, optimized or otherwise adjusted for presentation.
CX-1B1 is specific for one of the unphosphorylated forms of Connexin 43. This antibody was at one time thought to be specific for all unphosphorlyated forms of Connexin 43, but that can no longer be claimed since it was discovered that Connexin 43 can be phosphorylated at multiple sites. Recent studies have shown that phosphorylation occurs at a serine within the epitope recognized by this antibody. CX-1B1 recognizes Connexin 43 only when the serine at residue 368 is unphosphorylated. CX-1B1 will, however, recognize Connexin 43 if it is phosphorylated at sites besides Ser368. In some cell types, cross-reactivity with a ~70 kDa protein of unknown identity has been observed. This cross-reactivity is likely due to a shared epitope.
Reactivity has been confirmed by western blot analysis of extracts derived from dog heart, human heart, mouse brain, mouse heart, rat brain, and Clone 9 (C1-9) rat liver cells. Clone 9 is the recommended positive control for CX-1B1.
This antibody has also been used in immunofluorescence applications and immunolocalization of Connexin 43, however, for immunohistochemical applications polyclonal Rabbit anti-Connexin 43 (Cat. No. 71-0700) is recommended.
Connexin 43 (Cx43), encoded by the GJA1 gene, is a widely expressed gap junction protein that plays an important role in direct cell-to-cell communication. Six Cx43 proteins assemble to form a connexon, or hemichannel, which can pair with a connexon on a neighboring cell to create a gap junction channel. These channels allow ions, metabolites, and small signaling molecules to pass between adjacent cells, helping coordinate processes such as electrical conduction, tissue development, wound healing, and cellular homeostasis. Cx43 is especially abundant in tissues such as the heart, brain, bone, and skin, and changes in its expression, localization, or function have been associated with cardiovascular disease, neurological disorders, impaired tissue repair, and cancer. Because of its broad role in intercellular signaling and disease biology, Cx43 is an important target for studying gap junction function and developing potential therapeutic strategies.
仅用于科研。不用于诊断过程。未经明确授权不得转售。
蛋白别名: alpha 1 connexin; connexin 43; connexin k1; connexin-43; Cx-43; CXA1; DFNB38; gap junction 43 kDa heart protein; gap junction membrane channel protein; gap junction membrane channel protein alpha 1; gap junction protein, alpha 1, 43kDa; gap junction protein, alpha 1, 43kDa (connexin 43); GJA1; Npm1; ODD; ODOD; SDTY3; Syndactyly type III; unnamed protein product; VEGF
基因别名: AVSD3; CMDR; Cnx43; connexin43; CX43; Cx43alpha1; Cxnk1; EKVP; EKVP3; Gja-1; GJAL; HLHS1; HSS; Npm1; ODDD; PPKCA
UniProt ID: (Human) P17302, (Mouse) P23242, (Rat) P08050
Entrez Gene ID: (Human) 2697, (Dog) 403418, (Mouse) 14609, (Rat) 24392