INCENP

Last update 08 May 2025

Basic Info

Synonyms

FLJ31633, INCENP, inner centromere protein

Introduction

Component of the chromosomal passenger complex (CPC), a complex that acts as a key regulator of mitosis. The CPC complex has essential functions at the centromere in ensuring correct chromosome alignment and segregation and is required for chromatin-induced microtubule stabilization and spindle assembly. Acts as a scaffold regulating CPC localization and activity. The C-terminus associates with AURKB or AURKC, the N-terminus associated with BIRC5/survivin and CDCA8/borealin tethers the CPC to the inner centromere, and the microtubule binding activity within the central SAH domain directs AURKB/C toward substrates near microtubules (PubMed:12925766, PubMed:15316025, PubMed:27332895). The flexibility of the SAH domain is proposed to allow AURKB/C to follow substrates on dynamic microtubules while ensuring CPC docking to static chromatin (By similarity). Activates AURKB and AURKC (PubMed:27332895). Required for localization of CBX5 to mitotic centromeres (PubMed:21346195). Controls the kinetochore localization of BUB1 (PubMed:16760428).

100 Clinical Results associated with INCENP

100 Translational Medicine associated with INCENP

0 Patents (Medical) associated with INCENP

304

Literatures (Medical) associated with INCENP

01 Apr 2025·Urologic Oncology: Seminars and Original Investigations

Genetic variations related to the prostate cancer risk: A field synopsis and revaluation by Bayesian approaches of genome-wide association studies

Review

Author: de Oliveira, Ana Carolina Alves ; Dos Santos, Naum Neves da Costa ; Pereira, Adenilson Leão ; Monteiro, José Rogério Souza ; da Silva, Jonatan Pinho Rodrigues ; Monteiro, André Victor Oliveira ; Brasileiro, Samuel Arcebispo ; Botelho, Juliana Campos ; Sobreira, Luis Eduardo Rodrigues ; Leal, Alessandro Luiz Araújo Bentes ; da Silva, Felipe Rodolfo Pereira

Prostate cancer (PCa) is a complex disease influenced by many factors, with the genetic contribution for this neoplasia having a great role in its risk. The literature brings an increased number of Genome-Wide Association Studies (GWAS's) that attempt to elucidate the genetic associations with PCa. However, these genome studies have a considerable rate of false-positive data whose results may be biased. Therefore, we aimed to apply Bayesian approaches on significant associations among polymorphisms and PCa from GWAS's data. A literature search was performed for data published before April 20, 2024, whereby two investigators used a specific combination of keywords and Boolean operators in the search ("prostate carcinoma or prostate cancer or PCa" and "polymorphism or genetic variation" and "Genome-Wide Association Study or GWAS"). The records were retrieved, and the data were extracted with further application of two different Bayesian approaches: The False Positive Report Probability (FPRP) and the Bayesian False-Discovery Probability (BFDP), both at the prior probabilities of 10^-3 and 10^-6. The data were considered as noteworthy at the level of FPRP <0.2 and BFDP <0.8. Besides, in-silico analyses by gene-gene network and gene enrichment were performed to evaluate the role of the noteworthy genes in PCa. As results, 13 GWAS's were included, with 2,520 values for FPRP and 1,368 values for BFDP being obtained. Our study showed an extensive number of gene variations as noteworthy candidate biomarkers for PCa risk, with highlighting for those occurred in the 8q24 locus and in the MSMB, ITGA6, SUN2, FGF10, INCENP, MLPH, and KLK3 genes.

01 Feb 2025·Biochimie

Robust approach for production of the human oncology target Aurora kinase B in complex with its binding partner INCENP

Article

Author: Landström, Maréne ; Mattsson, Jonna ; Wolf-Watz, Magnus ; Rogne, Per

Protein kinases are key players in many eukaryotic signal transduction cascades and are as a result often linked to human disease. In humans, the mitotic protein kinase family of Aurora kinases consist of three members: Aurora A, B and C. All three members are involved in cell division with proposed implications in various human cancers. The human Aurora kinase B has in particular proven challenging to study with structural biology approaches, and this is mainly due to difficulties in producing the large quantities of active enzyme required for such studies. Here, we present a novel and E. coli-based production system that allows for production of milligram quantities of well-folded and active human Aurora B in complex with its binding partner INCENP. The complex is produced as a continuous polypeptide chain and the resulting fusion protein is cleaved with TEV protease to generate a stable and native heterodimer of the Aurora B:INCENP complex. The activity, stability and degree of phosphorylation of the protein complex was quantified by using a coupled ATPase assay, ³¹P NMR spectroscopy and mass spectrometry. The developed production system enables isotope labeling and we here report the first ¹H-¹⁵N-HSQC of the human Aurora B:INCENP complex. Our developed production strategy paves the way for future structural and functional studies of Aurora B and can as such assist the development of novel anticancer drugs targeting this important mitotic protein kinase.

17 Dec 2024·Medical Review

MST1 interactomes profiling across cell death in esophageal squamous cell carcinoma

Article

Author: Wu, Yueguang ; Zhang, Weimin ; Zhou, Yan ; Liu, Huijuan ; Cui, Yongping ; Gao, Mingwei ; Song, Qiqin ; Zhuang, Xuehan ; Zhang, Li ; Bi, Shanshan

AbstractObjectivesResistance to apoptosis in esophageal squamous cell carcinoma (ESCC) constitutes a significant impediment to treatment efficacy. Exploring alternative cell death pathways and their regulatory factors beyond apoptosis is crucial for overcoming drug resistance and enhancing therapeutic outcomes in ESCC.MethodsMammalian Ste 20-like kinase 1 (MST1) is implicated in regulating various cell deaths, including apoptosis, autophagy, and pyroptosis. Employing enhanced ascorbate peroxidase 2 (APEX2) proximity labeling coupled with immunoprecipitation-mass spectrometry (IP-MS), we elucidated the interactomes of MST1 across these three cell death paradigms.ResultsProteomic profiling unveiled the functional roles and subcellular localization of MST1 and its interacting proteins during normal proliferation and various cell death processes. Notably, MST1 exhibited an expanded interactome during cell death compared to normal proliferation and chromosome remodeling functions consistently. In apoptosis, there was a notable increase of mitosis-associated proteins such as INCENP, ANLN, KIF23, SHCBP1 and SUPT16H, which interacted with MST1, alongside decreased expression of the pre-apoptotic protein STK3. During autophagy, the bindings of DNA repair-related proteins CBX8 and m6A reader YTHDC1 to MST1 were enhanced. In pyroptosis, LRRFIP2 and FLII which can inhibit pyroptosis increasingly binding to MST1.ConclusionsOur findings delineate potential mechanisms through which MST1 and its interactomes regulate cell death, paving the way for further investigation to validate and consolidate these observations.

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