Browsing by Author "Allwadhi, Sachin"

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    Antimicrobial and anti-viral effects of selenium nanoparticles and selenoprotein based strategies: COVID-19 and beyond
    (Editions de Sante, 2023-06-08T00:00:00) Khurana, Amit; Allawadhi, Prince; Singh, Vishakha; Khurana, Isha; Yadav, Poonam; Sathua, Kshirod Bihari; Allwadhi, Sachin; Banothu, Anil Kumar; Navik, Umashanker; Bharani, Kala Kumar
    Deficiency of selenium (Se) has been described in a significant number of COVID-19 patients having a higher incidence of mortality, which makes it a pertinent issue to be addressed clinically for effective management of the COVID-19 pandemic. Se nanoparticles (SeNPs) provide a unique option for managing the havoc caused by the COVID-19 pandemic. SeNPs possess promising anti-inflammatory and anti-fibrotic effects by virtue of their nuclear factor kappa-light-chain-stimulator of activated B cells (NF?B), mitogen-activated protein kinase (MAPKs), and transforming growth factor-beta (TGF-?) modulatory activity. In addition, SeNPs possess remarkable immunomodulatory effects, making them a suitable option for supplementation with a much lower risk of toxicity compared to their elemental counterpart. Further, SeNPs have been shown to curtail viral and microbial infections, thus, making it a novel means to halt viral growth. In addition, it can be administered in the form of aerosol spray, direct injection, or infused thin-film transdermal patches to reduce the spread of this highly contagious viral infection. Moreover, a considerable decrease in the expression of selenoprotein along with enhanced expression of IL-6 in COVID-19 suggests a potential association among selenoprotein expression and COVID-19. In this review, we highlight the unique antimicrobial and antiviral properties of SeNPs and the immunomodulatory potential of selenoproteins. We provide the rationale behind their potentially interesting properties and further exploration in the context of microbial and viral infections. Further, the importance of selenoproteins and their role in maintaining a successful immune response along with their association to Se status is summarized. � 2023 Elsevier B.V.
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    Decorin as a possible strategy for the amelioration of COVID-19
    (Churchill Livingstone, 2021-05-20T00:00:00) Allawadhi, Prince; Singh, Vishakha; Khurana, Isha; Rawat, Pushkar Singh; Renushe, Akshata Patangrao; Khurana, Amit; Navik, Umashanker; Allwadhi, Sachin; Kumar Karlapudi, Satish; Banothu, Anil Kumar; Bharani, Kala Kumar
    Coronavirus pandemic has emerged as an extraordinary healthcare crisis in modern times. The SARS-CoV-2 novel coronavirus has high transmission rate, is more aggressive and virulent in comparison to previously known coronaviruses. It primarily attacks the respiratory system by inducing cytokine storm that causes systemic inflammation and pulmonary fibrosis. Decorin is a pluripotent molecule belonging to a leucine rich proteoglycan group that exerts critical role in extracellular matrix (ECM) assembly and regulates cell growth, adhesion, proliferation, inflammation, and fibrogenesis. Interestingly, decorin has potent anti-inflammatory, cytokine inhibitory, and anti-fibrillogenesis effects which make it a potential drug candidate against the COVID-19 related complications especially in the context of lung fibrosis. Herein, we postulate that owing to its distinctive pharmacological actions and immunomodulatory effect, decorin can be a promising preclinical therapeutic agent for the therapy of COVID-19. � 2021 Elsevier Ltd