Publications by authors named "K Kawabata"

The impact of Coronavirus Disease 2019 (COVID-19) is not limited to acute symptoms; it also extends to post-infection sequelae, such as long COVID and post-COVID conditions. These conditions are characterized by various symptoms, such as malaise, fatigue, and cognitive dysfunction, and are considered to reflect different underlying pathologies. Using a cluster analysis, we hypothesized that long COVID may have different psychosocial outcomes depending on the phenotype.

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Cancer-associated fibroblasts (CAFs) in the tumor microenvironment have been reported to be closely associated with tumor progression in various types of cancer, including colorectal cancer (CRC). Periostin, a matricellular protein, was reported to be expressed on both cancer cells and surrounding tumor stromal cells, such as CAFs, and is regulated by Smad2/3 signaling. In this study, we aimed to clarify the clinicopathologic significance of periostin and Smad2/3 expression in CRC, with a particular focus on the tumor microenvironment.

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Parkinson's disease (PD) involves the disruption of brain energy homeostasis. This encompasses broad-impact factors such as mitochondrial dysfunction, impaired glycolysis, and other metabolic disturbances, like disruptions in the pentose phosphate pathway and purine metabolism. Cortical hubs, which are highly connected regions essential for coordinating multiple brain functions, require significant energy due to their dense synaptic activity and long-range connections.

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Non-Hermiticity gives rise to distinctive topological phenomena absent in Hermitian systems. However, connection between such intrinsic non-Hermitian topology and Hermitian topology has remained largely elusive. Here, considering the bulk and boundary as an environment and system, respectively, we demonstrate that anomalous boundary states in Hermitian topological insulators exhibit non-Hermitian topology.

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Background: Hypoxic-ischemic encephalopathy (HIE) is still associated with death and sequelae including cerebral palsy and intellectual disability despite induced hypothermia. Biomarkers, as early predictive indicators of adverse outcomes, are lacking.

Aims: To investigate whether post-rewarming cerebrospinal fluid (CSF)-neuro-specific enolase (NSE) levels after hypothermia are associated with neurodevelopmental outcomes at age six years, alone or when combined with amplitude-integrated electroencephalography (aEEG) and brain magnetic resonance imaging (MRI), as neuroimaging and neurophysiological indicators, respectively.

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