Publications by authors named "Yujian Hu"

Vascular inflammation and endothelial dysfunction contribute to vascular diseases. While neutrophil extracellular traps (NETs) participate in some vascular pathologies, their roles in lower limb ischemia remain poorly defined. This study investigated the functional significance of NETs in vascular inflammation and remodeling associated with limb ischemia.

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Objective: To report demographics and clinical, laboratory, and imaging features of acute renal infarction (ARI) due to symptomatic isolated spontaneous renal artery dissection (SISRAD) and to analyze outcomes after the initial therapy for SISRAD.

Methods: Thirteen patients with ARI due to SISRAD between January 2016 and March 2021 were enrolled in this retrospective study. We reviewed the demographics, clinical, laboratory, and imaging features (location of the infarct kidney, the branch artery involved by dissection, true lumen stenosis, false lumen thrombosis, and aneurysm), treatment modalities, and follow-up results; analyzed the difference between SISRAD and other causes of ARI; and propose an appropriate therapy strategy for SISRAD based on our data and literature.

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Chronic hepatitis C (CHC) is a major liver disease caused by the hepatitis C virus. The current standard of care for CHC can achieve cure rates above 95%; however, the drugs in current use are administered for a period of 8-16 weeks. A combination of safe and effective drugs with a shorter treatment period is highly desirable.

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Article Synopsis
  • Researchers synthesized and evaluated new 4'-fluoro-2'-C-substituted uridines for their potential against hepatitis C virus (HCV).
  • The triphosphates of these analogues effectively inhibited the viral NS5B polymerase with low inhibition concentrations (IC values) as low as 27 nM.
  • One compound, AL-335, showed strong activity and favorable pharmacokinetics, leading to its selection for clinical trials, where it achieved promising results in phases 1 and 2.
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Influenza viruses are responsible for seasonal epidemics and occasional pandemics which cause significant morbidity and mortality. Despite available vaccines, only partial protection is achieved. Currently, there are two classes of widely approved anti-influenza drugs: M2 ion channel blockers and neuraminidase inhibitors.

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Pure enantiomers of carboxylic acids are a class of important biomolecules, chiral drugs, chiral reagents, etc. Analysis of the enantiomers usually needs expensive instrument or complex chiral receptors. However, to develop simple and reliable methods for the enantiomer analysis of acids is difficult.

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Novel chiral AIE compounds bearing a tartaric acid group were synthesized. They selectively aggregated with one enantiomer of a number of chiral amines, such that one enantiomer led to strong fluorescence and another enantiomer showed no or only weak fluorescence. This was used for the quantitative analysis of enantiomeric composition.

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A chiral calix[4]arene bearing l-2,3-dibenzoyltartaric acid groups at the lower rim was synthesized and could enantioselectively self-assemble to result in a gel or suspension only with one enantiomer of chiral amines; as revealed by electron microscopy, the resultant gel was of nanofibers with a high aspect ratio but the suspension was composed of nanospheres.

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