ArticleCurrent protocols2023
Arrestin-3-Dependent Activation of c-Jun N-Terminal Kinases (JNKs).
Article in Current protocols, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
What it found
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Who cites it
3 citing papers in PubMed, 3 citations in OpenAlex.
- Mitogen-activated protein kinase kinase 4 (MKK4) as a promising therapeutic target in liver diseases: a review.Journal of enzyme inhibition and medicinal chemistry · 2026Review
- Arrestin-3 sca-olds multiple MAP3Ks driving stress-induced JNK3 activation and cell death.bioRxiv : the preprint server for biology · 2026Article
- Arrestin-3-assisted activation of JNK3 mediates dopaminergic behavioral sensitization.Cell reports. Medicine · 2024Article
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Authors and funding
5 authors at 2 institutions in 1 country.
Funding
Abstract
Only 1 out of 4 mammalian arrestin subtypes, arrestin-3, facilitates the activation of c-Jun N-terminal kinase (JNK) family kinases. Here, we describe two different sets of protocols used for elucidating the mechanisms involved. One is based on reconstitution of signaling modules from the following purified proteins: arrestin-3, MKK4, MKK7, JNK1, JNK2, and JNK3. The main advantage of this method is that it unambiguously establishes which effects are direct because only intended purified proteins are present in these assays. The key drawback is that the upstream-most kinases of these cascades, ASK1 or other MAP3Ks, are not available in purified form, limiting reconstitution to incomplete two-kinase modules. The other approach is used for analyzing the effects of arrestin-3 on JNK activation in intact cells. In this case, signaling modules include ASK1 and/or other MAP3Ks. However, as every cell expresses thousands of different proteins, their possible effects on the readout cannot be excluded. Nonetheless, the combination of in vitro reconstitution from purified proteins and cell-based assays makes it possible to elucidate the mechanisms of arrestin-3-dependent activation of JNK family kinases. © 2023 Wiley Periodicals LLC. Basic Protocol 1: Construction of arrestin-3-scaffolded MKK4/7-JNK1/2/3 signaling modules in vitro using purified proteins Alternate Protocol 1: Characterization of arrestin-3-mediated JNK1/2 activation by MKK4/7 by measurement of JNK1/2 phosphorylation using immunoblotting with anti-phospho-JNK antibody Support Protocol 1: Expression, purification, and activation of GST-MKK4 Support Protocol 2: Expression, purification, and activation of GST-MKK7-His
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.