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<p>Glycerol kinase (GK) is a key part of glycerol metabolism. It connects the metabolic pathways for lipids and carbohydrates by phosphorylating glycerol to glycerol-3-phosphate in an ATP-dependent reaction. This is essential for maintaining carbohydrate homeostasis, plasma glycerol withdrawal, and the utilization of glycerol by different tissues. Together, these processes impact glucose uptake and lipid metabolism. This review discusses the structure of GK, highlights the implications of mutations in the primary sequence, and provides insights on the roles of the various functional domains in the GK-catalyzed reaction. It also discussed the roles of GK in glycerol metabolism, energy production, and its connections with various cellular pathways and disease conditions. The proper regulation of GK activity is crucial, reflecting its critical role in various important cellular processes. Therefore, its regulation has been analyzed from the gene level to posttranslational modification and has implications for GK-linked disease. Separately, the critical role of this enzyme in some disease-causing organisms made it a promising target for inhibitor development. We here explore the current state of GK inhibitor research and discuss strategies for their development. Challenges in GK inhibitor research are identified, and approaches such as high-throughput screening, structure-based drug design, and computational modelling for discovering novel inhibitors are reviewed. Finally, the review highlights critical areas for further research, including the role of GK in synthetic biology and tumour development, among others.</p>

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Structure, Mutation, Functional Domain Roles and Medical Implications of Glycerol Kinase

  • 期刊论文

  • 发表日期：

    2026年1月15日

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  • Emmanuel Oluwadare Balogun,
  • Israel Ogwuche Ogra,
  • Uche Samuel Ndidi,
  • Daniel Thakuma Tizhe,
  • Okechukwu Kalu Iroha,
  • Godwin Unekwuojo Ebiloma,
  • Ghulam Jeelani,
  • Tomoyoshi Nozaki,
  • Jair Siqueira-Neto,
  • Harry P. De Koning,
  • Tomoo Shiba

摘要

Glycerol kinase (GK) is a key part of glycerol metabolism. It connects the metabolic pathways for lipids and carbohydrates by phosphorylating glycerol to glycerol-3-phosphate in an ATP-dependent reaction. This is essential for maintaining carbohydrate homeostasis, plasma glycerol withdrawal, and the utilization of glycerol by different tissues. Together, these processes impact glucose uptake and lipid metabolism. This review discusses the structure of GK, highlights the implications of mutations in the primary sequence, and provides insights on the roles of the various functional domains in the GK-catalyzed reaction. It also discussed the roles of GK in glycerol metabolism, energy production, and its connections with various cellular pathways and disease conditions. The proper regulation of GK activity is crucial, reflecting its critical role in various important cellular processes. Therefore, its regulation has been analyzed from the gene level to posttranslational modification and has implications for GK-linked disease. Separately, the critical role of this enzyme in some disease-causing organisms made it a promising target for inhibitor development. We here explore the current state of GK inhibitor research and discuss strategies for their development. Challenges in GK inhibitor research are identified, and approaches such as high-throughput screening, structure-based drug design, and computational modelling for discovering novel inhibitors are reviewed. Finally, the review highlights critical areas for further research, including the role of GK in synthetic biology and tumour development, among others.