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Conjugated Proteins02:50

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Simple proteins and protein complexes contain only amino acids. In contrast, many other proteins, called conjugated proteins, covalently bond with non-protein moieties.
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During most eukaryotic translation processes, the small 40S ribosome subunit scans an mRNA from its 5' end until it encounters the first start AUG codon. The large 60S ribosomal subunit then joins the smaller one to initiate protein synthesis. The location of the translation initiation is largely determined by the nucleotides near the start codon as there may be multiple translation initiation sites present on the mRNA.  Marilyn Kozak discovered that the sequence RCCAUGG (where R...
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RNA interference (RNAi) is a cellular mechanism that inhibits gene expression by suppressing its transcription or activating the RNA degradation process. The mechanism was discovered by Andrew Fire and Craig Mello in 1998 in plants. Today, it is observed in almost all eukaryotes, including protozoa, flies, nematodes, insects, parasites, and mammals. This precise cellular mechanism of gene silencing has been developed into a technique that provides an efficient way to identify and determine the...
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Updated: Aug 9, 2025

Visualization of SARS-CoV-2 using Immuno RNA-Fluorescence In Situ Hybridization
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Rlip Protein: A Potential Target for COVID-19.

Jonathan Kopel1, Sharda P Singh1, Ashly Hindle1

  • 1Department of Internal Medicine, Division of Hematology & Oncology, Texas Tech University Health Sciences Center, Lubbock, TX 79430, USA.

Journal of Community Hospital Internal Medicine Perspectives
|February 23, 2023
PubMed
Summary
This summary is machine-generated.

Researchers propose RLIP76 (RALBP1) as a novel target for treating SARS-CoV-2 infections. This protein, involved in cellular processes and previously linked to viral illnesses, could offer a new therapeutic strategy against COVID-19.

Keywords:
COVID-19Clathrin-dependent endocytosis (CDE)RlipSARS-CoV-2

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Area of Science:

  • Virology
  • Cell Biology
  • Drug Discovery

Background:

  • The COVID-19 pandemic necessitates novel therapeutic targets beyond existing treatments.
  • Clathrin-dependent endocytosis (CDE) is a primary mechanism for viral entry into host cells.
  • Current COVID-19 treatments show limited efficacy in reducing mortality.

Purpose of the Study:

  • To investigate RLIP76 (RALBP1) as a potential therapeutic target for SARS-CoV-2 infections.
  • To explore the role of clathrin-dependent endocytosis inhibition in combating viral entry.

Main Methods:

  • Review of existing literature on viral pathogenesis and cellular mechanisms.
  • Analysis of RLIP76's known functions in cellular transport and stress response.
  • Exploration of potential CDE inhibition strategies.

Main Results:

  • RLIP76 (RALBP1) plays a role in cellular transport and is regulated by G-proteins.
  • Previous studies link RLIP76 to the pathogenesis of various viral illnesses.
  • No prior studies have investigated CDE inhibition for COVID-19 treatment.

Conclusions:

  • RLIP76 (RALBP1) is proposed as a novel therapeutic target for SARS-CoV-2.
  • Inhibiting clathrin-dependent endocytosis may represent a new strategy against COVID-19.
  • Further research is warranted to validate RLIP76 as a COVID-19 therapeutic target.