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C57BL/6JCya-Dhx15em1flox/Cya
Common Name:
Dhx15-flox
Product ID:
S-CKO-02020
Background:
C57BL/6JCya
Product Type
Age
Genotype
Sex
Quantity
Price:
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Basic Information
Strain Name
Dhx15-flox
Strain ID
CKOCMP-13204-Dhx15-B6J-VA
Gene Name
Dhx15
Product ID
S-CKO-02020
Gene Alias
DBP1; DEAH9; Ddx15; HRH2; mDEAH9
Background
C57BL/6JCya
NCBI ID
13204
Modification
Conditional knockout
Chromosome
5
Phenotype
MGI:1099786
Document
Click here to download >>
Application
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More
Rare Disease Data Center >>
Note
Note: When using this mouse strain in a publication, please cite “C57BL/6JCya-Dhx15em1flox/Cya mice (Catalog S-CKO-02020) were purchased from Cyagen.”
Strain Description
Ensembl Number
ENSMUST00000031061
NCBI RefSeq
NM_007839
Target Region
Exon 2
Size of Effective Region
~1.7 kb
Detailed Document
Click here to download >>
Overview of Gene Research
Dhx15, also known as DEAH-box helicase 15, is an ATP-dependent RNA helicase mainly involved in RNA metabolism, such as RNA splicing and ribosome maturation [1,4,6]. It is associated with multiple biological pathways including the Wnt signaling pathway, unfolded protein response pathway, and is involved in processes like autophagy regulation [1,4,7]. Dhx15 is of great biological importance in various tissues' development, immunity, and disease-related processes. Genetic models like zebrafish and mice are valuable for studying Dhx15.

In zebrafish, dhx15 knockout leads to profound intestinal defects, with decreased intestinal cell proliferation, increased apoptosis, and down-regulation of the Wnt signaling pathway, indicating its role in intestinal development [1]. In T-cell acute lymphoblastic leukemia (T-ALL) murine models, DHX15 is essential for tumor cell survival and leukemogenesis. Its depletion hinders T-cell progenitor proliferation, perturbs RNA splicing, and suppresses glutamine import and mTORC1 activity [2]. In Villin-Cre/KrasG12D+/- mice, knockout of Dhx15 attenuates the colorectal cancer (CRC) phenotype as Fusobacterium nucleatum promotes CRC progression by binding to DHX15 [3]. In IEC-specific Dhx15-knockout mice, DHX15 is required to control intestinal inflammation induced by enteric RNA viruses, as it is essential for the production of type I interferon, type III interferon, and inflammasome-derived cytokine IL-18 by intestinal epithelial cells [5]. In zebrafish, dhx15 -/- leads to perturbed hematopoietic stem/progenitor cells through the unfolded protein response pathway [7]. In mice, Dhx15 gene deficiency impairs liver organogenesis in embryos and liver regeneration after partial hepatectomy, and its silencing hinders primary tumor growth in a hepatocellular carcinoma model [8].

In conclusion, Dhx15 plays essential roles in multiple biological processes including tissue development, hematopoiesis, and immunity. Studies using gene knockout models in zebrafish and mice have revealed its significance in diseases such as leukemia, CRC, and liver cancer, as well as in controlling intestinal inflammation. These findings contribute to understanding disease mechanisms and may offer potential therapeutic targets.

References:
1. Yao, Jinpeng, Cai, Yuanhua, Chen, Zhixiang, Li, Yang, Wang, Shaoyuan. 2023. Dhx15 regulates zebrafish intestinal development through the Wnt signaling pathway. In Genomics, 115, 110578. doi:10.1016/j.ygeno.2023.110578. https://pubmed.ncbi.nlm.nih.gov/36775210/
2. Guo, Hao, Xu, Jin, Xing, Peiqi, Van Vlierberghe, Pieter, Liu, Hudan. 2023. RNA helicase DHX15 exemplifies a unique dependency in acute leukemia. In Haematologica, 108, 2029-2043. doi:10.3324/haematol.2022.282066. https://pubmed.ncbi.nlm.nih.gov/36861414/
3. Zhu, Huiyuan, Li, Man, Bi, Dexi, Wei, Qing, Qin, Huanlong. 2024. Fusobacterium nucleatum promotes tumor progression in KRAS p.G12D-mutant colorectal cancer by binding to DHX15. In Nature communications, 15, 1688. doi:10.1038/s41467-024-45572-w. https://pubmed.ncbi.nlm.nih.gov/38402201/
4. Zhao, Miaomiao, Ying, Lixiong, Wang, Rusha, Chen, Zhi, Yang, Zhenggang. 2021. DHX15 Inhibits Autophagy and the Proliferation of Hepatoma Cells. In Frontiers in medicine, 7, 591736. doi:10.3389/fmed.2020.591736. https://pubmed.ncbi.nlm.nih.gov/33644083/
5. Xing, Junji, Zhou, Xiaojing, Fang, Mingli, Minze, Laurie J, Zhang, Zhiqiang. . DHX15 is required to control RNA virus-induced intestinal inflammation. In Cell reports, 35, 109205. doi:10.1016/j.celrep.2021.109205. https://pubmed.ncbi.nlm.nih.gov/34161762/
6. Zhang, Jian, Huang, Ji, Xu, Ke, Tong, Liang, Manley, James L. 2022. DHX15 is involved in SUGP1-mediated RNA missplicing by mutant SF3B1 in cancer. In Proceedings of the National Academy of Sciences of the United States of America, 119, e2216712119. doi:10.1073/pnas.2216712119. https://pubmed.ncbi.nlm.nih.gov/36459648/
7. Cai, Yuanhua, Wang, Jing, Jin, Daqing, Zhong, Tao Peter, Wang, Shaoyuan. 2021. Dhx15 regulates zebrafish definitive hematopoiesis through the unfolded protein response pathway. In Cancer science, 112, 3884-3894. doi:10.1111/cas.15002. https://pubmed.ncbi.nlm.nih.gov/34077586/
8. Portolés, Irene, Ribera, Jordi, Fernandez-Galán, Esther, Jiménez, Wladimiro, Morales-Ruiz, Manuel. 2024. Identification of Dhx15 as a Major Regulator of Liver Development, Regeneration, and Tumor Growth in Zebrafish and Mice. In International journal of molecular sciences, 25, . doi:10.3390/ijms25073716. https://pubmed.ncbi.nlm.nih.gov/38612527/
Quality Control Standard
Sperm Test

Pre-cryopreservation: Measurement of sperm concentration, determination of sperm viability.

Post-cryopreservation: A vial of cryopreserved sperms is selected for in-vitro fertilization from each batch.

Environmental Standards:SPF
Available Region:Global
Source:Cyagen
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