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| Content Provider | Springer Nature : BioMed Central |
|---|---|
| Author | Yan, Lu Song, Yin-Sen Zhou, Jian Zhu, Lin Shi, Tian-Wei Yu, Hui-Qian Dong, Zi-Qing Wang, Wei Long, Ting Liu, Hao-Ying Shi, Zhe-Ye Li, Jian-Guo |
| Abstract | Background Nicastrin, a subunit of the γ-secretase complex, is encoded by the NCSTN gene and regulates notch signaling, it is involved in the pathogenesis of hidradenitis suppurativa (HS), Alzheimer disease (AD), and liver cancer. However, the animal models for studying HS are relatively scarce. Methods CRISPR/Cas-mediated genetic engineering was used to generate targeted knockout offspring mice (C57BL/6J). Different doses (10 mg/kg, 20 mg/kg, and 30 mg/kg) and injection methods (subcutaneous/intraperitoneal/gavage injection) of tamoxifen were used to induce the construction of NCSTN knockout mice (mice model). The expressions of nicastrin, NICD1, hes1 in skin, brain, and liver tissue in mice model and wild-type (WT) mice were measured by qRT-PCR and IHC. Results The construction of mice model was successfully induced by tamoxifen, knockout efficiency was 93%, there was no difference in knockout efficiency among three doses, injection methods, genders (P > 0.05). HS-like lesions appeared on the skin of NCSTN knockout mice after 1 month of treatment with tamoxifen, male mice had a higher number of skin lesions compared to female mice (male vs female = 76.5% vs 41.7%, P = 0.027). Compared with WT mice, the expressions of nicastrin (skin P = 0.0009, brain P = 0.0194, liver P = 0.0066), NICD1 (skin P = 0.0115, brain P = 0.0307, liver P = 0.008), hes1 (skin P = 0.0476, brain P = 0.0143, liver P = 0.0003) in mice model all decreased. Conclusions The NCSTN knockout mouse might be employed as HS animal model; Reducing nicastrin may affect the expression of notch1–hes1 pathway molecules in skin, brain, and liver tissues; low dose (10 mg/kg/d) tamoxifen could be used to induce the deletion of the target gene in mice. |
| Related Links | https://eurjmedres.biomedcentral.com/counter/pdf/10.1186/s40001-024-02225-4.pdf |
| Ending Page | 14 |
| Page Count | 14 |
| Starting Page | 1 |
| File Format | HTM / HTML |
| DOI | 10.1186/s40001-024-02225-4 |
| Journal | European Journal of Medical Research |
| Issue Number | 1 |
| Volume Number | 29 |
| Language | English |
| Publisher | BioMed Central |
| Publisher Date | 2024-12-24 |
| Access Restriction | Open |
| Subject Keyword | Medicine Public Health Infectious Diseases Internal Medicine Surgery Oncology Biomedicine Gene knockout mice Hidradenitis suppurativa NCSTN Notch Tamoxifen Medicine/Public Health |
| Content Type | Text |
| Resource Type | Article |
| Subject | Medicine |
| Journal Impact Factor | 2.8/2023 |
| 5-Year Journal Impact Factor | 2.9/2023 |
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