Publications by authors named "Choon Kong Yap"

Article Synopsis
  • * Unlike previous assumptions, the tumor-suppressive function of PARP4 is not linked to the vault complex, but rather involves its interaction with the splicing regulator hnRNPM.
  • * The research suggests that disruptions in splicing, particularly due to the loss of hnRNPM and PARP4, contribute to tumor formation in lung adenocarcinoma, highlighting a new mechanism in cancer biology.
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Article Synopsis
  • - The study analyzed over 373,000 single-cell transcriptomes from colorectal cancer patients to better understand the diversity of epithelial cells, revealing distinct genetic and gene expression differences among malignant cells.
  • - Two new intrinsic subtypes, iCMS2 and iCMS3, were identified, with iCMS3 linked to worse outcomes and encompassing both microsatellite unstable (MSI-H) and some microsatellite-stable (MSS) cancers.
  • - The research proposes a refined 'IMF' classification that incorporates intrinsic epithelial subtype, microsatellite instability status, and fibrosis, leading to five distinct subtypes of colorectal cancer.
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Assessment of human movement performance in activities of daily living (ADL) is a key component in clinical and rehabilitation settings. Motion capture technology is an effective method for objective assessment of human movement. Existing databases capture human movement and ADL performance primarily in the Western population, and there are no Asian databases to date.

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Background: While the local-mode HMMER3 is notable for its massive speed improvement, the slower glocal-mode HMMER2 is more exact for domain annotation by enforcing full domain-to-sequence alignments. Since a unit of domain necessarily implies a unit of function, local-mode HMMER3 alone remains insufficient for precise function annotation tasks. In addition, the incomparable E-values for the same domain model by different HMMER builds create difficulty when checking for domain annotation consistency on a large-scale basis.

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Background: Annotation transfer for function and structure within the sequence homology concept essentially requires protein sequence similarity for the secondary structural blocks forming the fold of a protein. A simplistic similarity approach in the case of non-globular segments (coiled coils, low complexity regions, transmembrane regions, long loops, etc.) is not justified and a pertinent source for mistaken homologies.

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The innate immune system is fundamental to the recognition of pathogens, triggering of immune-inflammatory response and host defense. Recent advance in this area has resulted in enormous amount of data, which are stored across different databases. Integrating relevant information from these different data sources is difficult because of their heterogeneous nature and dispersed physical location.

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