Ask about this productRelated genes to: TFAP2C antibody
- Gene:
- TFAP2C NIH gene
- Name:
- transcription factor AP-2 gamma
- Previous symbol:
- -
- Synonyms:
- AP2-GAMMA, ERF1, TFAP2G, hAP-2g
- Chromosome:
- 20q13.31
- Locus Type:
- gene with protein product
- Date approved:
- 1997-01-08
- Date modifiied:
- 2016-10-05
Related products to: TFAP2C antibody
Related articles to: TFAP2C antibody
- Heterogeneous Nuclear Ribonucleoprotein K (hnRNP K) is a limiting factor for prion propagation. However, little is known about the function of hnRNP K except that it is essential to cell survival. Here, we performed a synthetic-viability CRISPR ablation screen to identify epistatic interactors of HNRNPK. We found that deletion of Transcription Factor AP-2γ (TFAP2C) suppressed the death of hnRNP K-depleted LN-229 and U-251 MG cells, whereas its overexpression hypersensitized cells to hnRNP K loss. HNRNPK ablation decreased cellular ATP, downregulated genes related to lipid and glucose metabolism, and enhanced autophagy. Co-occurrent deletion of TFAP2C reversed these effects, restoring transcriptional balance and alleviating energy deficiency. We linked HNRNPK and TFAP2C functional and genetic interaction to mTOR signaling, observing that hnRNP K depletion inhibited mTORC1 activity through downregulation of mTOR and Rptor, while TFAP2C overexpression enhanced mTORC1 downstream functions. In prion-infected cells, TFAP2C activation reduced prion levels and countered the increased prion propagation caused by HNRNPK suppression. Short-term inhibition of mTORC1 also elevated prion levels and partially mimicked the effects of HNRNPK silencing. Our study identifies TFAP2C as a genetic interactor of HNRNPK, implicates their roles in mTOR metabolic regulation, and establishes a causative link between these activities and prion propagation. - Source: PubMed
Publication date: 2026/04/20
Sellitto StefanoCaredio DavideBimbati MatteoMariutti GiovanniCerisoli MartinaFrick LukasBouris VangelisMorales Carlos Omar OueslatiVena Dalila LauraNeupane SandeshBaroni FedericoGing KathiYin Jiang-AnDe Cecco ElenaArmani AndreaAguzzi Adriano - During preimplantation development, mammalian embryos form blastocysts. Studies in mouse embryos have revealed multiple roles of the Hippo signaling pathway in this process. Among them, the process of TEA domain transcription factor 4 (TEAD4)-Yes-associated protein (YAP) control of trophectoderm (TE) and inner cell mass fate is the most extensively characterized. The major mechanism of YAP regulation is the activation of Hippo signaling by adherens junctions and inhibition by cell polarization or the apical domain. Several additional mechanisms further modulate Hippo signaling and/or YAP, including polarity regulation by Rho-associated coiled-coil-containing protein kinase (ROCK) and transcription factor AP-2γ (TFAP2C), angiomotin (AMOT) regulation by Ras homolog (RHO), asymmetric inheritance of the apical domain, mechanical regulation, and glucose metabolism. Hippo signaling also regulates other processes during embryogenesis, including zygotic gene activation by maternal YAP, cell state transition at the 8-cell stage, and maturation and quality control of the epiblast via cell competition. The TE fate regulatory role of the Hippo pathway is evolutionarily conserved among mammalian species, including human and bovine embryos, but some details differ. - Source: PubMed
Publication date: 2026/04/17
Sasaki Hiroshi - In brief Cis-regulatory elements and transcription factor binding motifs play crucial roles in regulating the spatial and temporal patterns of gene expression during development. This study tested the utility of CRISPR/Cas9 as a tool to interrogate the function of transcription factor AP2 gamma motifs in pluripotency gene expression during mouse preimplantation embryo development. Abstract Clustered regularly interspaced short palindromic repeat/CRISPR-associated nuclease 9 (CRISPR/Cas9) is a highly efficient tool that enables the generation of gene knockouts, knock-ins, and single base substitutions in a variety of organisms. Recently, we used CRISPR to examine the activity of cis-regulatory elements (CREs) in mouse preimplantation embryos. However, there is limited information on the feasibility of using CRISPR in preimplantation embryos to interrogate the function of select transcription factor (TF) binding motifs located within critical CREs in pluripotency genes. In the current study we employed CRISPR to disrupt TF AP2 gamma (TFAP2C) binding motifs located within key CREs involved in the regulation of Pou5f1 and Sox2 expression in early embryos. Microinjection of ribonucleoprotein complexes containing Cas9 and single guide RNAs (sgRNAs) targeting TFAP2C motifs located within a distal enhancer and proximal promoter substantially impaired Pou5f1 and Sox2 expression, respectively. Quantification of the editing efficiencies at each targeted CRE revealed that the targeting sgRNA sequences and the number of sgRNAs injected influenced the overall editing rates. Lastly, we investigated whether TFAP2C-induced activation of Sox2 expression in 2-cell embryos required TFAP2C motifs located within the Sox2 proximal promoter. CRISPR-mediated editing of these motifs diminished the activation of Sox2 expression. In summary, these findings indicate that CRISPR/Cas9 is a feasible approach for editing TF motifs in preimplantation embryos and provide evidence that TFAP2C directly contributes to Pou5f1 and Sox2 expression in preimplantation embryos. - Source: PubMed
Driscoll Chad SKim JaehwanKnott Jason G - Cannabis use during pregnancy continues to increase with smoking remaining the most common mode of consumption. While clinical studies highlight an association between prenatal cannabis use and adverse pregnancy outcomes, less is known about placental outcomes, even though many of the reported pregnancy outcomes are thought to be mediated via placental dysfunction. Here, we established a mouse model of gestational cannabis smoke exposure to investigate the impacts on fetal outcomes and placental structure and function. Pregnant CD1 mice were exposed daily to Δ9-tetrahydrocannabinol (THC)-dominant cannabis smoke (12-14% THC, 0-2% CBD) or filtered air from embryonic day (E)6.5 to E18.5 or parturition. Cannabinoid analyses in cannabis smoke-exposed, paired maternal and fetal livers revealed total THC and 11-Nor-9-carboxy-THC (THCA) concentrations of 135.95 ± 13.60 ng/g and 30.84 ± 4.68 ng/g, respectively. Moreover, Cyp1a1, a smoke-inducible enzyme, was induced by 4-fold in cannabis smoke-exposed placentae. No changes in offspring body weights were observed; however, there was a marked decrease in the brain-to-body weight ratio of exposed postnatal day 1 (PND1) offspring. Placentae from exposed dams were significantly reduced in size, with altered zonation marked by a significantly decreased junctional zone and increased labyrinth zone. Key trophoblast differentiation markers (Tfap2c, Tpbpa, Pcdh12) and placental endocrine regulators (Pl2, Igf1r) were significantly downregulated following cannabis smoke exposure in placentas. Furthermore, transcript levels of placental nutrient and vascularization markers, Glut1, Vegfa and Pparg were significantly decreased in cannabis smoke-exposed placentas. By employing a physiologically relevant platform of prenatal cannabis exposure in vivo we demonstrate the adverse effects of prenatal cannabis smoke exposure on placental structure and function as well as on fetal brain growth. - Source: PubMed
Publication date: 2026/03/16
Podinic TinaSunil MariaMacAndrew AndieMonaco CristinaLee GraceLockington CiellePetrik JimLucas Amica-MariaTomy ThaneTomy GreggKasinska JoannaJamshed LaibaHolloway Alison CRatcliffe Elyanne MRaha Sandeep - Ferroptosis is an iron-dependent programmed cell death (PCD) implicated in cancer therapy response, yet its transcriptional control remains unevenly characterized and often centered on a limited subset of transcription factors (TFs) rather than systematically addressing TF families. The Activating enhancer-binding Protein-2 (AP-2) family of TFs is a plausible but understudied regulatory node linking oncogenic programs to ferroptosis, with prior research limited to AP-2α and AP-2γ, suggesting anti-ferroptotic and pro-tumorigenic roles. Thus, the present study aimed to provide a family-wide analysis of the relationships between AP-2 and ferroptosis across tumors in which this PCD type is considered biologically and clinically relevant. The research integrates ferroptosis gene modules with AP-2 targetomes, tumor-normal expression comparisons, survival stratification, ferroptosis scoring, cross-cohort functional analyses, and signaling pathway projection extending canonical ferroptosis circuits with AP-2-associated non-canonical elements. Consistent associations between AP-2 expression, prognosis, and ferroptosis score were observed in five tumor cohorts: cervical squamous cell carcinoma, glioblastoma, ovarian serous cystadenocarcinoma, pancreatic adenocarcinoma, and thyroid carcinoma. In addition, cross-cohort clustering highlighted genes enriched in redox- and lipid-metabolism programs linked to apoptosis and autophagy-dependent death. Among the candidates emerging from these analyses, ferroptotic markers (, , and ) and AP-2-linked nodes such as , , , , , , and warrant targeted functional and binding validation to infer whether these associations reflect direct AP-2 regulatory mechanisms. Most importantly, AP-2-centered research appears to be a valuable area for guiding studies of tumor-specific ferroptosis vulnerability or resistance. - Source: PubMed
Publication date: 2026/02/28
Kołat DamianGromek PiotrKciuk MateuszZhao Lin-YongKałuzińska-Kołat ŻanetaKontek RenataPłuciennik Elżbieta