| 2001 |
DAZAP1 was identified as a protein that interacts with the male infertility factors DAZ and DAZL through yeast two-hybrid and in vitro binding assays; it contains two RNA-binding domains (RBDs) and a proline-rich C-terminal region, and while predominantly cytoplasmic, it is not associated with polyribosomes. |
Yeast two-hybrid, in vitro binding, subcellular fractionation, Western blot |
BMC genomics |
Medium |
11604102
|
| 2004 |
Mouse DAZAP1/Prrp shows dynamic intranuclear and subcellular localization changes during spermatogenesis (nuclear in pre-meiotic cells and round spermatids, cytoplasmic in elongating spermatids), and the C-terminal proline-rich region is required for nuclear import. |
Immunohistochemistry with monoclonal antibody, mutagenesis, subcellular localization assays |
Archives of histology and cytology |
Medium |
15700540
|
| 2005 |
DAZAP1 interacts with DAZL protein in ovarian luteal cells as demonstrated by co-immunoprecipitation from ovarian tissue. |
Co-immunoprecipitation from rat and human ovarian tissue |
Fertility and sterility |
Low |
16209998
|
| 2005 |
The MEF2D/DAZAP1 fusion protein (created by t(1;19) translocation) binds DNA in a manner indistinguishable from native MEF2D and acts as a substantially more potent transcriptional activator than MEF2D; the reciprocal DAZAP1/MEF2D fusion retains sequence-specific RNA-binding activity. |
DNA-binding assays, transcriptional activation assays, RNA-binding assays in leukemia cell line |
Leukemia |
Medium |
15744350
|
| 2006 |
DAZAP1 is phosphorylated by ERK2 at two Thr-Pro sequences (Thr269 and Thr315) in response to PMA, EGF, or LPS via the MKK1/ERK pathway; phosphorylation at these sites causes DAZAP1 to dissociate from its binding partner DAZ, and DAZ cannot simultaneously bind both DAZAP1 and PABP. |
In vitro kinase assay with ERK2, site-directed mutagenesis (T269D, T315D), co-immunoprecipitation, inhibitor experiments (PD184352, U0126) |
The Biochemical journal |
High |
16848763
|
| 2006 |
DAZAP1 shuttles between the nucleus and cytoplasm via a novel 25-amino acid C-terminal segment (ZNS); nuclear localization depends on active RNA polymerase II transcription; DAZAP1 co-localizes with hnRNP A1 and hnRNP C1 and is a component of hnRNP particles. |
Immunostaining, heterokaryon formation assay, mutagenesis, RNA polymerase II inhibitor (actinomycin D), GFP/DsRed fusion constructs |
RNA (New York, N.Y.) |
High |
16772659
|
| 2007 |
Both MEF2D/DAZAP1 and DAZAP1/MEF2D fusion proteins transform NIH 3T3 cells (soft agar colony formation); co-expression is synergistic; wild-type DAZAP1 expression enables 3T3 cell proliferation under low serum 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 T6 mutant BRCA1 exon 18 sequence that creates an exonic splicing silencer, and siRNA depletion of DAZAP1 reduces skipping of exon 18, demonstrating DAZAP1's role in splicing inhibition at this element alongside hnRNPA1/A2. |
RNA pulldown assay, siRNA knockdown, minigene splicing reporter, overexpression |
Molecular and cellular biology |
High |
18391021
|
| 2008 |
DAZAP1 is an hnRNP protein required for normal growth and spermatogenesis in mice; loss-of-function causes spermatogenic arrest before meiotic division (absence of post-meiotic haploid cells), growth retardation, and female infertility; DAZAP1 is excluded from the transcriptionally inactive XY body in pachytene spermatocytes. |
Knockout/hypomorphic mouse models, FACS analysis, histology, immunostaining |
RNA (New York, N.Y.) |
High |
18669443
|
| 2009 |
DAZAP1 interacts with several RNA-binding proteins (beyond DAZ) via its RNA recognition motifs (RRMs) binding to the C-termini of these partners, in a phosphorylation-independent manner, suggesting DAZAP1 is part of complexes involved in mRNA degradation and silencing. |
Co-immunoprecipitation, binding domain mapping |
Biochemical and biophysical research communications |
Low |
19285026
|
| 2011 |
DAZAP1 (Xenopus and human) acts as a mRNA-specific translational activator by stimulating translation initiation in a cap-independent manner downstream of 5' cap recognition; this activity is modulated by poly(A) tail length and is associated with formation of end-to-end mRNA complexes but does not require direct interaction with eIF4G; domain mapping places this activity in C-terminal regions. |
In vitro translation assay with reporter mRNAs, IRES constructs, domain mapping/mutagenesis, polysome association assays |
RNA (New York, N.Y.) |
High |
21576381
|
| 2011 |
DAZAP1 binds to an Alu-derived intronic splicing enhancer (ISE) in the ATM gene and positively regulates ISE-dependent inclusion of an ATM cryptic exon, as demonstrated by RNA pulldown and siRNA functional experiments. |
RNA pulldown assay, siRNA knockdown, overexpression, minigene splicing assay |
PloS one |
Medium |
21858080
|
| 2012 |
A 42-amino acid N-terminal segment (N42) of DAZAP1 is necessary and sufficient for its transcription-dependent nuclear localization; SLIRP was identified as an N42-binding protein that may regulate DAZAP1 subcellular localization. |
Domain deletion/mutagenesis, immunostaining, yeast two-hybrid |
Biochemical and biophysical research communications |
Medium |
23111326
|
| 2013 |
DAZAP1 promotes inclusion of specific exons (Crem exon 4, Crisp2 exon 9, Pot1a exon 4) by binding to regulatory sequences in their downstream introns, as demonstrated in DAZAP1-deficient mouse testes (microarray) and splicing reporter assays; DAZAP1 mutant proteins lacking this activity fail to rescue exon inclusion. |
Exon microarray on Dazap1 mutant testes, minigene splicing reporters, RNA-binding assays, mutagenesis |
Nucleic acids research |
High |
23965306
|
| 2013 |
The two Dazap1 transcripts (generated by alternative polyadenylation) are differentially translated during spermatogenesis; DAZL binds preferentially to the 3'UTR of the long Dazap1-L transcript and stimulates its translation; the short Dazap1-S is translationally repressed and sequestered to mRNPs with elongated poly(A) tails. |
Northern blot, 3' RACE, sucrose gradient/polysome analysis, RNA pulldown + mass spectrometry, luciferase reporter assay |
PloS one |
High |
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 and is sufficient to activate splicing when tethered to pre-mRNA; MEK/ERK phosphorylation of this domain is essential for splicing regulatory activity and controls nuclear/cytoplasmic translocation of DAZAP1; DAZAP1 regulates endogenous splicing events involved in cell growth, and its knockdown or overexpression causes a cell proliferation defect. |
Minigene splicing reporters, domain mapping/mutagenesis, tethering assay, MEK/ERK inhibitor experiments, mRNA-seq, siRNA knockdown, overexpression, cell proliferation assays |
Nature communications |
High |
24452013
|
| 2018 |
DAZAP1 binds to cox6c mRNA in an intron-dependent manner (last intron sufficient for loading), reduces pre-mRNA splicing efficiency, and thereby negatively regulates COX6C protein levels; overexpression of DAZAP1 leads to accumulation of cox6c pre-mRNA. |
RIP (RNA immunoprecipitation), intron deletion constructs, qRT-PCR, Western blot, overexpression |
Gene |
Medium |
29505834
|
| 2020 |
DAZAP1 binds to the 3'UTR of SLC7A11 mRNA and positively regulates its stability, thereby inhibiting ferroptosis in HCC cells; DAZAP1 knockdown reduces SLC7A11 levels and sensitizes cells to sorafenib-induced ferroptosis. |
RNA immunoprecipitation (RIP), siRNA knockdown, mRNA stability assay, ferroptosis assays, Western blot |
Experimental cell research |
Medium |
33358859
|
| 2020 |
DAZAP1 regulates alternative splicing of TSC2, promoting inclusion of exon 26; DAZAP1 silencing produces a short TSC2 isoform that cannot be phosphorylated at Ser981 by AKT, leading to constitutive TSC2 activation, RHEB-mediated mTOR inhibition, and enhanced autophagy in ESCC cells; miR-10b suppresses DAZAP1 expression under starvation. |
RNAseq, siRNA knockdown, minigene splicing, AKT phosphorylation assay, mTOR pathway analysis, miR-10b overexpression |
Theranostics |
High |
32308763
|
| 2022 |
DAZAP1 activates alternative splicing of KITLG mRNA, and the resulting KITLG isoform increases ERK phosphorylation to promote multiple myeloma cell proliferation. |
RIP-seq, RIP-qPCR, lentiviral overexpression, siRNA knockdown, ERK phosphorylation assay, xenograft tumor model |
Aging |
Medium |
36242590
|
| 2023 |
DAZAP1 interacts with PXR (pregnane X receptor) and with the lncRNA NEAT1_2 as a paraspeckle component; this interaction traps PXR in paraspeckles and suppresses its transactivation of CYP3A4; PXR ligand (rifampicin) dissociates PXR from DAZAP1 and NEAT1_2, and knockdown of DAZAP1 enhances CYP3A4 induction by rifampicin. |
Co-immunoprecipitation, siRNA knockdown, luciferase reporter assay (PXR response elements) |
Drug metabolism and disposition |
Medium |
37349114
|
| 2024 |
DAZAP1 undergoes liquid-liquid phase separation to accumulate in the nucleus where it regulates alternative splicing of COX16 pre-mRNA, increasing COX16 expression and promoting mitochondrial respiration and OSCC invasion/metastasis. |
Phase separation assay, RNA-seq, splicing reporter, DAZAP1 knockdown/overexpression, Seahorse metabolic assay, mouse tumor model |
Cancer research |
Medium |
39120588
|
| 2025 |
p52-ZER6 promotes transcriptional activity of DAZAP1, which then binds the 3'-UTR of SLC7A11 mRNA to enhance its stability, increasing SLC7A11 protein, elevating glutathione levels, reducing lipid peroxide accumulation, and conferring ferroptosis resistance in colorectal cancer. |
Transcription reporter assay, RNA immunoprecipitation, mRNA stability assay, ferroptosis assays (lipid peroxide, GSH), knockdown/overexpression |
Acta pharmaceutica Sinica. B |
Medium |
40486833
|
| 2025 |
DAZAP1 binds USP34 mRNA and stabilizes it, leading to increased USP34 protein expression, which mediates deubiquitination and stabilization of PIN1 oncoprotein, activating the MAPK signaling pathway in gastric cancer; DAZAP1 mRNA is itself post-transcriptionally stabilized by the m6A demethylase ALKBH5, protecting it from YTHDF2-mediated degradation. |
RNA immunoprecipitation, mRNA stability assay, co-immunoprecipitation, ubiquitination assay, m6A detection, siRNA/overexpression, in vivo xenograft |
Cell biology and toxicology |
Medium |
41331184
|
| 2025 |
DAZAP1 regulates splicing and expression of the mitophagy-related gene ULK1 through nonsense-mediated mRNA decay, thereby activating mitophagy and enhancing oxidative phosphorylation to support gastric cancer stem cell maintenance. |
RNA immunoprecipitation, PCR-based splicing analysis, Seahorse assay, sphere formation assay, transmission electron microscopy, immunofluorescence, rescue experiments (ULK1 overexpression) |
JCI insight |
Medium |
40401521
|
| 2026 |
DAZAP1 physically binds NOTCH1 and JAG1 mRNAs to enhance their stability, activating the NOTCH/JAG1 signaling pathway and promoting EMT-mediated migration and invasion of gastric cancer cells. |
RNA immunoprecipitation (RIP-seq and RIP-qPCR), mRNA stability assay, knockdown/overexpression, migration/invasion assays |
International journal of oncology |
Medium |
41789621
|