Kynurenine (KYN), a main metabolite of tryptophan in mammals, is a direct precursor of
kynurenic acid, anthranilic acid and 3-hydroxykynurenine (3-HK). Under physiological …

Omics-based technologies have been largely adopted during this unprecedented global
COVID-19 pandemic, allowing the scientific community to perform research on a large scale …

Abstract SARS-CoV-2 (severe acute respiratory syndrome coronavirus 2) is the coronavirus
strain causing the respiratory pandemic COVID-19 (coronavirus disease 2019). To …

Background Long-COVID is characterized by prolonged, diffuse symptoms months after
acute COVID-19. Accurate diagnosis and targeted therapies for Long-COVID are lacking …

The current pandemic of coronavirus disease 2019 (COVID-19) has affected> 160 million
individuals to date, and has caused millions of deaths worldwide, at least in part due to the …

Coronavirus disease 2019 (COVID-19) pandemic triggered an unprecedented global effort
in developing rapid and inexpensive diagnostic and prognostic tools. Since the genome of …

The COVID-19 pandemic is spreading around the world and 187 million people have
already been affected. One of its after-effects is post-COVID depression, which, according to …

There is an urgent need to identify which COVID-19 patients will develop life-threatening
illness so that medical resources can be optimally allocated and rapid treatment can be …

One of the major challenges currently faced by global health systems is the prolonged
COVID-19 syndrome (also known as “long COVID”) which has emerged as a consequence …

Abstract Background Coronavirus disease 2019 (COVID-19) is accompanied by activated
immune-inflammatory pathways and oxidative stress, which both induce indoleamine-2, 3 …