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Gene Information

Gene symbol: RBX1

Gene name: ring-box 1, E3 ubiquitin protein ligase

HGNC ID: 9928

Synonyms: ROC1, RNF75, BA554C12.1

Related Genes

# Gene Symbol Number of hits
1 CUL1 1 hits
2 FBXO25 1 hits

Related Sentences

# PMID Sentence
1 11717410 Atrogin-1, a muscle-specific F-box protein highly expressed during muscle atrophy.
2 11717410 It contains a functional F-box domain that binds to Skp1 and thereby to Roc1 and Cul1, the other components of SCF-type Ub-protein ligases (E3s), as well as a nuclear localization sequence and PDZ-binding domain.
3 11717410 Atrogin-1 is one of the few examples of an F-box protein or Ub-protein ligase (E3) expressed in a tissue-specific manner and appears to be a critical component in the enhanced proteolysis leading to muscle atrophy in diverse diseases.
4 16714087 FBXO25, an F-box protein homologue of atrogin-1, is not induced in atrophying muscle.
5 16714087 Atrogin-1/MAFbx/FBXO32 is a muscle-specific ubiquitin-ligase (E3) that is dramatically increased in atrophying muscle.
6 16714087 Here, we have investigated the functional relationship between atrogin-1 and FBXO25 which shares 65% amino acid identity.
7 16714087 Using a RT-PCR, we demonstrated that FBXO25 is highly expressed in brain, kidney, and intestine, whereas atrogin-1 expression is largely restricted to striate muscle.
8 16714087 FBXO25 was shown here to contain a functional F-box domain that binds to Skp1 and thereby to Roc1 and Cul1, the major components of SCF-type E3s.
9 16714087 In addition, the productive SCF complex containing FBXO25 showed ubiquitin ligase activity.
10 16714087 We investigated the differential expression of atrogin-1 and FBXO25 in fasted and dexamethasone-treated mice and also in rats with streptozotocin-induced diabetes.
11 16714087 Although the atrogin-1 was strongly induced in muscle in all three models, no changes were observed in the expression of FBXO25.
12 16714087 Therefore, here we have shown that FBXO25 is a novel F-box protein analogous to atrogin-1, which is not involved in muscle atrophy.
13 16714087 Further functional studies should elucidate the exact role of FBXO25 in the ubiquitin-proteasome pathway.