| 2001 |
DAZAP1 was originally identified as an interaction partner of DAZ and DAZL via yeast two-hybrid; DAZAP1 contains two RNA-binding domains (RBDs) and a proline-rich C-terminal region; in subcellular fractionation, the majority of DAZAP1 is present in the cytoplasmic fraction but not associated with polyribosomes. |
Yeast two-hybrid, Western blot, subcellular fractionation |
BMC genomics |
Medium |
11604102
|
| 2004 |
Mouse DAZAP1 (mPrrp) undergoes dynamic intranuclear and subcellular localization changes during spermatogenesis; a long stretch spanning the C-terminal half of the protein is required for nuclear import. |
Immunohistochemistry with monoclonal antibody, mutagenesis, subcellular localization analysis |
Archives of histology and cytology |
Medium |
15700540
|
| 2005 |
DAZAP1/MEF2D fusion protein retains sequence-specific RNA-binding activity; MEF2D/DAZAP1 fusion binds DNA in a manner indistinguishable from native MEF2D and is a more potent transcriptional activator than MEF2D. |
DNA-binding assay, transcriptional activation assay, leukemia cell line analysis |
Leukemia |
Medium |
15744350
|
| 2005 |
DAZAP1 is expressed in ovarian luteal cells and co-immunoprecipitates with DAZL in ovarian tissue, demonstrating an in vivo interaction. |
Co-immunoprecipitation, Western blot, immunohistochemistry |
Fertility and sterility |
Low |
16209998
|
| 2006 |
DAZAP1 shuttles between the nucleus and cytoplasm via a novel 25 amino acid C-terminal segment (ZNS) that shares no homology with known nuclear localization or export signals; nuclear localization of DAZAP1 is dependent on active RNA Pol II transcription, as its inhibition retains DAZAP1 in the cytoplasm; DAZAP1 colocalizes with hnRNP A1 and hnRNP C1 in the nucleus as part of hnRNP particles. |
Immunostaining, heterokaryon formation assay, mutagenesis, RNA Pol II inhibitor treatment |
RNA (New York, N.Y.) |
High |
16772659
|
| 2006 |
ERK2 phosphorylates DAZAP1 at Thr269 and Thr315 in vitro and in cells; this phosphorylation induces dissociation of DAZAP1 from DAZ; DAZ cannot bind simultaneously to both DAZAP1 and PABP, suggesting phosphorylation-driven DAZAP1 release allows DAZ to interact with PABP and stimulate translation. |
In vitro kinase assay, mass spectrometry, site-directed mutagenesis (Thr→Asp), co-immunoprecipitation in HEK-293 cells and RAW 264.7 macrophages |
The Biochemical journal |
High |
16848763
|
| 2007 |
Both MEF2D/DAZAP1 and DAZAP1/MEF2D fusion proteins transform NIH 3T3 cells (~20-fold increase in soft agar colony formation); co-expression of both fusion proteins is synergistic; wild-type DAZAP1 expression allows proliferation under low-serum conditions and suppresses apoptosis. |
Retroviral gene transfer, soft agar colony formation assay, low-serum proliferation assay, apoptosis assay |
Leukemia |
Medium |
17898785
|
| 2008 |
DAZAP1 binds to a mutant BRCA1 exon 18 sequence created by a G-to-T transversion (+6 position) via RNA pulldown; siRNA-mediated depletion of DAZAP1 rescues exon 18 inclusion, demonstrating that DAZAP1 binding to this exonic splicing silencer causes exon skipping. |
RNA pulldown assay, siRNA knockdown, minigene splicing reporter, mutation analysis |
Molecular and cellular biology |
High |
18391021
|
| 2008 |
DAZAP1 is required for normal mouse development and spermatogenesis; null or hypomorphic Dazap1 mice show growth retardation and spermatogenic arrest before meiotic division (absence of haploid cells by FACS); DAZAP1 localizes to the nucleus excluding the XY body in pachytene spermatocytes, consistent with a role in mRNA transcription and transport. |
Mouse knockout/hypomorphic allele generation, FACS analysis, immunostaining |
RNA (New York, N.Y.) |
High |
18669443
|
| 2009 |
DAZAP1's RNA recognition motifs (RRMs) interact with the C-termini of multiple other RNA-binding proteins (beyond DAZ) in a phosphorylation-independent manner, suggesting DAZAP1 is part of mRNA degradation/silencing complexes in non-germinal cells. |
Co-immunoprecipitation, domain-mapping pulldown |
Biochemical and biophysical research communications |
Low |
19285026
|
| 2011 |
DAZAP1 (both Xenopus and human) acts as an mRNA-specific activator of translation initiation in a 3'UTR binding-site-number-dependent manner; this activity maps to the C-terminal region; DAZAP1 stimulates translation independently of 5'-cap recognition but is modulated by poly(A) tail status, suggesting a function in end-to-end mRNA complex formation; this activity does not require direct interaction with eIF4G. |
In vitro translation assay, IRES reporter mRNA assay, domain mapping, polysome fractionation, Xenopus oocyte injection |
RNA (New York, N.Y.) |
High |
21576381
|
| 2011 |
DAZAP1 binds to an Alu-derived intronic splicing enhancer (ISE) in the ATM gene (shown by RNA pulldown); siRNA-mediated knockdown of DAZAP1 reduces ATM cryptic exon activation, demonstrating that DAZAP1 positively promotes ISE-dependent cryptic exon inclusion. |
RNA pulldown assay, siRNA knockdown, splicing reporter assay |
PloS one |
Medium |
21858080
|
| 2012 |
An N-terminal 42 amino acid segment (N42) of DAZAP1 is necessary and sufficient for transcription-dependent nuclear localization; SLIRP was identified as an N42-binding protein via yeast two-hybrid, potentially regulating DAZAP1 subcellular localization. |
Mutagenesis, nuclear localization assay, yeast two-hybrid |
Biochemical and biophysical research communications |
Medium |
23111326
|
| 2013 |
DAZAP1 promotes inclusion of Crem exon 4, Crisp2 exon 9, and Pot1a exon 4 in vivo in mouse testes; DAZAP1 binds intronic regions flanking these exons (Crem intron 3, Crisp2 intron 9, Pot1a intron 4) to regulate splicing; aberrant Pot1a splicing may account for the growth retardation in DAZAP1-deficient mice. |
Microarray exon-usage profiling of mutant vs. wild-type testes, minigene splicing reporters, DAZAP1 binding assays, mutagenesis |
Nucleic acids research |
High |
23965306
|
| 2013 |
DAZL binds specifically to the 3'UTR of the Dazap1-L transcript and stimulates its translation; the two Dazap1 transcripts (generated by alternative polyadenylation) are differentially regulated, with the Dazap1-S transcript undergoing translational repression associated with poly(A) tail elongation during spermatogenesis. |
RNA pulldown followed by mass spectrometry, sucrose gradient fractionation, Northern blot, 3' RACE, reporter gene assay |
PloS one |
Medium |
23658607
|
| 2014 |
DAZAP1 promotes inclusion of weak exons by recognizing diverse cis-elements; its C-terminal proline-rich domain interacts with and neutralizes general splicing inhibitors, is sufficient to activate splicing when tethered to pre-mRNA, and is phosphorylated by the MEK/Erk pathway; this phosphorylation is essential for both splicing regulatory activity and nuclear/cytoplasmic translocation of DAZAP1; DAZAP1 regulates endogenous splicing events involved in cell growth and its knockdown/overexpression causes cell proliferation defects. |
mRNA-seq, minigene splicing assay, tethering assay, MEK/Erk inhibitor treatment, phosphomutant analysis, siRNA knockdown, cell proliferation assay |
Nature communications |
High |
24452013
|
| 2018 |
DAZAP1 binds cox6c mRNA in an intron-dependent manner (binding requires the last intron; no binding to intronless cox6c mRNA); DAZAP1 overexpression suppresses pre-mRNA splicing efficiency of cox6c and reduces mature COX6C protein; this regulates mitochondrial complex IV and cell growth. |
RNA immunoprecipitation, intronless vs. genomic expression vectors, overexpression and knockdown assays, Western blot |
Gene |
Medium |
29505834
|
| 2020 |
DAZAP1 binds the 3'UTR of SLC7A11 mRNA and positively regulates its stability, thereby inhibiting ferroptosis; DAZAP1 knockdown reduces SLC7A11 mRNA stability and sensitizes HCC cells to sorafenib-induced ferroptosis. |
RNA immunoprecipitation, siRNA knockdown, mRNA stability assay, ferroptosis assay |
Experimental cell research |
Medium |
33358859
|
| 2020 |
DAZAP1 silencing in ESCC cells causes exon skipping of TSC2 exon 26, producing a short TSC2 isoform that cannot be phosphorylated at Ser981 by AKT; this results in continuous TSC2 activation, inhibition of mTOR via RHEB, and sustained autophagy; starvation-induced miR-10b suppresses DAZAP1 to trigger this pathway. |
RNAi, RNAseq alternative splicing analysis, phosphorylation assay, mTOR/RHEB signaling assay, miRNA functional assay |
Theranostics |
Medium |
32308763
|
| 2022 |
DAZAP1 regulates alternative splicing of KITLG mRNA (shown by RIP-seq and RIP-qPCR); DAZAP1-mediated KITLG splicing increases ERK phosphorylation and promotes myeloma cell proliferation. |
RIP-seq, RIP-qPCR, siRNA knockdown, lentiviral overexpression, ERK phosphorylation assay, xenograft tumor model |
Aging |
Medium |
36242590
|
| 2023 |
DAZAP1 interacts with PXR (pregnane X receptor) as a paraspeckle component; this interaction is dissociated by the PXR ligand rifampicin; DAZAP1 (together with NEAT1_2 lncRNA) negatively regulates PXR-mediated CYP3A4 transcriptional induction by trapping PXR in paraspeckles in the absence of ligand. |
Co-immunoprecipitation in PXR-overexpressing HepG2 cells, siRNA knockdown, luciferase reporter assay for PXR response elements |
Drug metabolism and disposition |
Medium |
37349114
|
| 2024 |
DAZAP1 undergoes liquid-liquid phase separation (LLPS) to accumulate in the nucleus where it enhances COX16 expression via regulation of pre-mRNA alternative splicing, thereby promoting mitochondrial respiration and OSCC invasion/metastasis. |
RNA sequencing, DAZAP1 knockdown/overexpression, LLPS assay, mouse OSCC model, EMT marker analysis |
Cancer research |
Medium |
39120588
|
| 2025 |
p52-ZER6 promotes DAZAP1 transcription; DAZAP1 then binds the 3'-UTR of SLC7A11 mRNA to enhance its stability, increasing SLC7A11 expression and cellular glutathione levels, thereby reducing lipid peroxide accumulation and conferring ferroptosis resistance in colorectal cancer. |
Transcriptional reporter assay, RNA immunoprecipitation, mRNA stability assay, glutathione and lipid peroxide measurement |
Acta pharmaceutica Sinica. B |
Medium |
40486833
|
| 2025 |
DAZAP1 binds USP34 mRNA and stabilizes it, leading to increased USP34 protein, which deubiquitinates and stabilizes PIN1, activating the MAPK signaling pathway in gastric cancer; DAZAP1 mRNA is itself protected from YTHDF2-mediated degradation by ALKBH5-catalyzed m6A demethylation. |
RNA immunoprecipitation, Western blot, ubiquitination assay, siRNA/overexpression, m6A/ALKBH5/YTHDF2 knockdown experiments |
Cell biology and toxicology |
Medium |
41331184
|
| 2025 |
DAZAP1 regulates splicing and expression of ULK1 via nonsense-mediated mRNA decay control; DAZAP1-dependent ULK1 upregulation promotes mitophagy and OXPHOS to sustain gastric cancer stem cell metabolic demands. |
RNA immunoprecipitation, PCR, Seahorse metabolic assay, transmission electron microscopy, immunofluorescence, sphere formation assay, rescue overexpression |
JCI insight |
Medium |
40401521
|
| 2025 |
DAZAP1 physically binds NOTCH1 and JAG1 mRNAs (shown by RNA immunoprecipitation and sequencing) to stabilize them, activating NOTCH/JAG1 signaling and promoting EMT, migration, and invasion in gastric cancer. |
RNA immunoprecipitation and sequencing (RIP-seq), mRNA stability assay, overexpression and knockdown, migration/invasion assays |
International journal of oncology |
Low |
41789621
|