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SIT1 transporter as a potential novel target in treatment of COVID-19.
Semiz, Sabina.
  • Semiz S; College of Medicine and Health Sciences, Khalifa University, Abu Dhabi, United Arab Emirates; Association South East European Network for Medical Research-SOVE, E-mail: sabina.semiz@ku.ac.ae.
Biomol Concepts ; 12(1): 156-163, 2021 Dec 30.
Article in English | MEDLINE | ID: covidwho-1597910
ABSTRACT
Studies published earlier this year demonstrated the association of the solute carrier SLC6A20 gene with the risk and severity of COVID-19. The SLC6A20 protein product (Sodium-dependent Imino Transporter 1 (SIT1)) is involved in the transport of amino acids, including glycine. Here we summarized the results of recent studies demonstrating the interaction of SIT1 with the ACE2 receptor for SARS-CoV-2 as well as an observed association of SLC6A20 with the risk and traits of Type 2 diabetes (T2D). Recently, it was also proposed that SLC6A20 represents the novel regulator of glycine levels and that glycine has beneficial effects against the proinflammatory cytokine secretion induced by SARS-CoV-2 infection. Ivermectin, as a partial agonist of glycine-gated chloride channels, was also recently suggested to interfere with the COVID-19 cytokine storm by inducing the activation of glycine receptors. Furthermore, plasma glycine levels are found to be decreased in diabetic patients. Thus, further clinical trials are warranted to confirm the potential favorable effects of targeting the SIT1 transporter and glycine levels in the treatment of COVID-19, particularly for the severe case of disease associated with hyperglycemia, inflammation, and T2D. These findings suggest that SIT1 may potentially represent one of the missing pieces in the complex puzzle observed between these two pandemic diseases and the potential novel target for their efficient treatment.
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Full text: Available Collection: International databases Database: MEDLINE Main subject: Membrane Transport Proteins / COVID-19 / Glycine Type of study: Prognostic study Limits: Humans Language: English Journal: Biomol Concepts Year: 2021 Document Type: Article

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Full text: Available Collection: International databases Database: MEDLINE Main subject: Membrane Transport Proteins / COVID-19 / Glycine Type of study: Prognostic study Limits: Humans Language: English Journal: Biomol Concepts Year: 2021 Document Type: Article