1
|
Lan D, Wang J, Sun G, Jiang L, Chen Q, Li S, Qu H, Wang Y, Wu B. Abnormal upregulation of NUBP2 contributes to cancer progression in colorectal cancer. Mol Cell Biochem 2024:10.1007/s11010-024-04956-8. [PMID: 38492158 DOI: 10.1007/s11010-024-04956-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2023] [Accepted: 02/03/2024] [Indexed: 03/18/2024]
Abstract
Colorectal cancer (CRC), a digestive tract malignancy with high mortality and morbidity, lacks effective biomarkers for clinical prognosis due to its complex molecular pathogenesis. Nucleotide binding protein 2 (NUBP2) plays a vital role in the assembly of cytosolic Fe/S protein and has been implicated in cancer progression. In this study, we found that NUBP2 was highly expressed in CRC by TCGA database analysis. Subsequently, we verified the expression of NUBP2 in CRC tumor tissues and para-carcinoma tissues using IHC staining, and further investigated its association with clinicopathological parameters. In vitro cell experiments were conducted to assess the role of NUBP2 in CRC by evaluating cell proliferation, migration, and apoptosis upon NUBP2 dysregulation. Furthermore, we established a subcutaneous CRC model to evaluate the impact of NUBP2 on tumor growth in vivo. Additionally, we performed mechanistic exploration using a Human Phospho-Kinase Array-Membrane. Our results showed higher expression of NUBP2 in CRC tissues, which positively correlated with the pathological stage, indicating its involvement in tumor malignancy. Functional studies demonstrated that NUBP2 knockdown reduced cell proliferation, increased apoptosis, and impaired migration ability. Moreover, NUBP2 knockdown inhibited tumor growth in mice. We also observed significant changes in the phosphorylation level of GSK3β upon NUBP2 knockdown or overexpression. Additionally, treatment with CHIR-99021 HCl, an inhibitor of GSK3β, reversed the malignant phenotype induced by NUBP2 overexpression. Overall, this study elucidated the functional role of NUBP2 in CRC progression both in vitro and in vivo, providing insights into the molecular mechanisms underlying CRC and potential implications for targeted therapeutic strategies.
Collapse
Affiliation(s)
- Danfeng Lan
- Department of Gastroenterology, The First People's Hospital of Yunnan Province, The Affiliated Hospital of Kunming University of Science and Technology, Kunming, 650032, Yunnan, China
| | - Junyu Wang
- Department of General Surgery II, The First People's Hospital of Yunnan Province, The Affiliated Hospital of Kunming University of Science and Technology, No. 157, Jingbi Road, Kunming, 650032, Yunnan, China
| | - Guishun Sun
- Department of General Surgery II, The First People's Hospital of Yunnan Province, The Affiliated Hospital of Kunming University of Science and Technology, No. 157, Jingbi Road, Kunming, 650032, Yunnan, China
| | - Lixia Jiang
- Department of General Surgery II, The First People's Hospital of Yunnan Province, The Affiliated Hospital of Kunming University of Science and Technology, No. 157, Jingbi Road, Kunming, 650032, Yunnan, China
| | - Qiyun Chen
- Department of General Surgery II, The First People's Hospital of Yunnan Province, The Affiliated Hospital of Kunming University of Science and Technology, No. 157, Jingbi Road, Kunming, 650032, Yunnan, China
| | - Sha Li
- Department of General Surgery II, The First People's Hospital of Yunnan Province, The Affiliated Hospital of Kunming University of Science and Technology, No. 157, Jingbi Road, Kunming, 650032, Yunnan, China
| | - Haiyan Qu
- Department of General Surgery II, The First People's Hospital of Yunnan Province, The Affiliated Hospital of Kunming University of Science and Technology, No. 157, Jingbi Road, Kunming, 650032, Yunnan, China
| | - Yibo Wang
- Department of General Surgery II, The First People's Hospital of Yunnan Province, The Affiliated Hospital of Kunming University of Science and Technology, No. 157, Jingbi Road, Kunming, 650032, Yunnan, China
| | - Bian Wu
- Department of General Surgery II, The First People's Hospital of Yunnan Province, The Affiliated Hospital of Kunming University of Science and Technology, No. 157, Jingbi Road, Kunming, 650032, Yunnan, China.
| |
Collapse
|
2
|
Wyatt BH, Raymond TO, Lansdon LA, Darbro BW, Murray JC, Manak JR, Dickinson AJG. Using an aquatic model, Xenopus laevis, to uncover the role of chromodomain 1 in craniofacial disorders. Genesis 2021; 59:e23394. [PMID: 32918369 PMCID: PMC10701884 DOI: 10.1002/dvg.23394] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2020] [Revised: 08/04/2020] [Accepted: 08/08/2020] [Indexed: 12/14/2022]
Abstract
The chromodomain family member chromodomain 1 (CHD1) has been shown to have numerous critical molecular functions including transcriptional regulation, splicing, and DNA repair. Complete loss of function of this gene is not compatible with life. On the other hand, missense and copy number variants of CHD1 can result in intellectual disabilities and craniofacial malformations in human patients including cleft palate and Pilarowski-Bjornsson Syndrome. We have used the aquatic developmental model organism Xenopus laevis, to determine a specific role for Chd1 in such cranioafcial disorders. Protein and gene knockdown techniques in Xenopus, including antisense oligos and mosaic Crispr/Cas9-mediated mutagenesis, recapitulated the craniofacial defects observed in humans. Further analysis indicated that embryos deficient in Chd1 had defects in cranial neural crest development and jaw cartilage morphology. Additionally, flow cytometry and immunohistochemistry revealed that decreased Chd1 resulted in increased in apoptosis in the developing head. Together, these experiments demonstrate that Chd1 is critical for fundamental processes and cell survival in craniofacial development. We also presented evidence that Chd1 is regulated by retinoic acid signaling during craniofacial development. Expression levels of chd1 mRNA, specifically in the head, were increased by RAR agonist exposure and decreased upon antagonist treatment. Subphenotypic levels of an RAR antagonist and Chd1 morpholinos synergized to result in orofacial defects. Further, RAR DNA binding sequences (RAREs) were detected in chd1 regulatory regions by bioinformatic analysis. In summary, by combining human genetics and experiments in an aquatic model we now have a better understanding of the role of CHD1 in craniofacial disorders.
Collapse
Affiliation(s)
- Brent H. Wyatt
- Department of Biology, Virginia Commonwealth University, Richmond, Virginia
| | - Thomas O. Raymond
- Department of Biology, Virginia Commonwealth University, Richmond, Virginia
| | - Lisa A. Lansdon
- Department of Biology, University of Iowa, Iowa City, Iowa
- Department of Pathology and Laboratory Medicine, Children’s Mercy Hospital, Kansas City, Missouri
| | | | | | - John Robert Manak
- Department of Biology, University of Iowa, Iowa City, Iowa
- Department of Pediatrics, University of Iowa, Iowa City, Iowa
| | | |
Collapse
|