Publications by authors named "Samuel C"

A Ce(III) phosphinate and a Ce(IV) phosphostibonate have been assembled by the reaction of a phosphinic acid and phosphostibonate with Ce(III) salts. Single crystal X-ray diffraction (SCXRD) studies reveal the formation of a rare triangular Ce(III) oxo-cluster [Ce(PhCHPO)]Cl(CHOH)(HO)] () and a fascinating hexanuclear oxo-cluster containing Ce(IV) ions [Ce (-ClCHSb)(μ-O)(μ-O)(-BuPO)(μ-OCH)] (). The molecular architecture of showcased an interesting correlation with platonic solids, wherein the Ce(IV), Sb(V), and P(V) ions were found to be present in vertices of an octahedron, a tetrahedron, and a cube, respectively.

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Background: Kidney fibrosis is a hallmark of chronic kidney disease (CKD) and compromises the viability of transplanted human bone marrow-derived mesenchymal stromal cells (BM-MSCs). Hence, BM-MSCs were genetically-engineered to express the anti-fibrotic and renoprotective hormone, human relaxin-2 (RLX) and green fluorescent protein (BM-MSCs-eRLX + GFP), which enabled BM-MSCs-eRLX + GFP delivery via a single intravenous injection.

Methods: BM-MSCs were lentiviral-transduced with human relaxin-2 cDNA and GFP, under a eukaryotic translation elongation factor-1α promoter (BM-MSCs-eRLX + GFP) or GFP alone (BM-MSCs-eGFP).

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  • IRAP is an enzyme found in various immune cells, and it helps regulate the body's immune response; its genetic variants are linked to survival rates in septic shock patients.
  • In a study modeling systemic inflammation from gram-negative sepsis using LPS, immune responses were compared between IRAP knockout and wildtype mice.
  • Results showed that IRAP deficiency led to increased activation and pro-inflammatory response in dendritic cells and macrophages, highlighting the enzyme's role in inflammation, which varies by time and sex.
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Inspired by the intriguing nature of the metal-π interaction in organometallic chemistry, a novel 1D hybrid material has been designed. Herein, a functionalized tellurium allyl macrocycle (TAM) acts as a molecular building block and is knit together via silver-π interaction to obtain Ag-TAM. Ag is coordinated to two allyl groups and a phenyl ring in η mode.

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Unlabelled: Some negative-sense RNA viruses, including measles virus (MeV), share the characteristic that during their infection cycle, cytoplasmic inclusion bodies (IBs) are formed where components of the viral replication machinery are concentrated. As a foci of viral replication, how IBs act to enhance the efficiency of infection by affecting virus-host interactions remains an important topic of investigation. We previously established that upon MeV infection, the epigenetic host protein, WD repeat-containing protein 5 (WDR5), translocates to cytoplasmic viral IBs and facilitates MeV replication.

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Idiopathic pulmonary fibrosis (IPF) is characterised by lung scarring and stiffening, for which there is no effective cure. Based on the immunomodulatory and anti-fibrotic effects of induced pluripotent stem cell (iPSC) and mesenchymoangioblast-derived mesenchymal stem cells (iPSCs-MSCs), this study evaluated the therapeutic effects of iPSCs-MSCs in a bleomycin (BLM)-induced model of pulmonary fibrosis. Adult male C57BL/6 mice received a double administration of BLM (0.

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Objectives: In the United States, hepatitis C is the most commonly reported bloodborne infection. It is a leading cause of liver cancer and death from liver disease and imposes a substantial burden of hospitalization. We sought to describe regional differences in hepatitis C virus (HCV)-related hospitalizations during 2012 through 2019 to guide planning for hepatitis C elimination.

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Poly(L-Lactide) (PLA), a fully biobased aliphatic polyester, has attracted significant attention in the last decade due to its exceptional set of properties, such as high tensile modulus/strength, biocompatibility, (bio)degradability in various media, easy recyclability and good melt-state processability by the conventional processes of the plastic/textile industry. Blending PLA with other polymers represents one of the most cost-effective and efficient approaches to develop a next-generation of PLA-based materials with superior properties. In particular, intensive research has been carried out on PLA-based blends with engineering polymers such as polycarbonate (PC), poly(ethylene terephthalate) (PET), poly(butylene terephthalate) (PBT) and various polyamides (PA).

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Chronic inflammation, oxidative stress, and airway remodelling represent the principal pathophysiological features of chronic respiratory disorders. Inflammation stimuli like lipopolysaccharide (LPS) activate macrophages and dendritic cells, with concomitant M1 polarization and release of pro-inflammatory cytokines. Chronic inflammation and oxidative stress lead to airway remodelling causing irreversible functional and structural alterations of the lungs.

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Polyaniline (PAni)-based sensors are a promising solution for ammonia (NH) detection at the ppb level. However, the nature of the NH-PAni interaction and underlying drivers remain unclear. This paper proposes to characterize the interaction between doped PAni (dPAni) sensing material and NH by using a Knudsen cell.

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Prurigo nodularis (PN) is a chronic inflammatory skin disease that is associated with variability in peripheral blood eosinophil levels and response to T-helper 2 targeted therapies (Th2). Our objective was to determine whether circulating immune profiles with respect to type 2 inflammation differ by race and peripheral blood eosinophil count. Plasma from 56 PN patients and 13 matched healthy controls was assayed for 54 inflammatory biomarkers.

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Organ scarring, referred to as fibrosis, results from a failed wound-healing response to chronic tissue injury and is characterised by the aberrant accumulation of various extracellular matrix (ECM) components. Once established, fibrosis is recognised as a hallmark of stiffened and dysfunctional tissues, hence, various fibrosis-related diseases collectively contribute to high morbidity and mortality in developed countries. Despite this, these diseases are ineffectively treated by currently-available medications.

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Objectives: To determine characteristics associated with patient-reported treatment success in psoriatic arthritis (PsA).

Methods: Rheumatologist-diagnosed PsA patients fulfilling the CASPAR classification were recruited from a single center. PsA outcome measures included: 66/68 swollen/tender joint counts, Leeds/SPARCC dactylitis/enthesitis indices, psoriasis body surface area (BSA), and patient-reported outcomes (PROs) including PROMIS.

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A discrete liphophilic organotelluroxane macrocycle has been found to catalyse the hydrogen evolution reaction (HER) by proton reduction efficiently. The macrocycle is synthesized chloride abstraction from bis(-methoxyphenyl) tellurium dichloride (-MeOCH)TeCl (1) by silver salts AgMX (MX = BF, and ClO) resulting in generated di-cationic tetraorganoditelluroxane units; two such units are held together by two weak anions μ-MX, bridging to form 12-membered di-cationic macrocycles [((-MeO-CH)Te)(μ-O)(μ-FBF)] (2) and [((-MeO-CH)Te)(μ-O)(μ-OClO)] (3) stabilized Te-(μ-BF/ClO), with secondary interactions. The charge is balanced by the presence of two more anions, one above and another below the plane of the macrocycle.

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In cardiovascular disease, pathological and protective roles are reported for the Th2 cytokines IL-4 and IL-13, respectively. We hypothesised that differential effects on macrophage function are responsible. Type I and II receptor subunit (IL-2Rγ, IL-4Rα and IL-13Rα1) and M2 marker (MRC-1, CCL18, CCL22) expression was assessed via RT-qPCR in IL-4- and IL-13-treated human primary macrophages.

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Introduction: Tobacco use remains a serious problem for young adults. Given the large number of young adults attending college, a tobacco-free campus is one strategy to reduce tobacco use. Young adult engagement is recognized as a common strategic practice in tobacco control policy efforts, especially in changing social norms around tobacco use.

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Purpose: Due to the coronavirus disease 2019 (COVID-19) pandemic, the world faces different issues, and proper healthcare waste (HCW) treatment is one of them. If appropriate disposal of HCW is not performed, it will have hazardous effects on humanity. This paper has identified the significant barriers hindering the proper treatment of healthcare waste management (HCWM) with the strategies to overcome these barriers.

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  • - The study analyzed the susceptibility of 3,905 Enterobacterales and 1,109 Pseudomonas aeruginosa isolates from sub-Saharan Africa collected between 2017-2021 to 10 antimicrobial agents, focusing on the effectiveness of ceftazidime-avibactam against resistant bacteria and those carrying β-lactamase.
  • - Results showed that 96.2% of Enterobacterales isolates were susceptible to ceftazidime-avibactam, with varying susceptibility across different species and high resistance associated with metallo-β-lactamase genes.
  • - Among Pseudomonas aeruginosa, 88.9% of the isolates were also susceptible to ceft
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Stimulation of the angiotensin II type 2 receptor (ATR) evokes protective effects in various cardiovascular diseases. Thus, this study aimed to investigate the effects of ATR stimulation, with or without ATR blockade, in a model of hypertension with concomitant type 1 diabetes mellitus (T1DM). Spontaneously hypertensive rats (SHRs) were given either citrate or a single dose of streptozotocin (STZ; 55 mg/kg, i.

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  • Actinic keratoses (AKs) are precancerous skin growths caused by UV exposure, and they can develop into cutaneous squamous cell carcinoma.
  • Recent research demonstrated that GZ21T, a topical formulation containing GZ17-6.02, effectively decreased both the number and size of AK lesions in a mouse model while also preventing progression to squamous cell carcinoma.
  • The treatment worked by suppressing multiple cellular signaling pathways and proteins linked to tumor growth and promoting autophagy, which aids in cellular cleanup.
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Importance: The recombinant COVID-19 vaccine NVX-CoV2373 has demonstrated efficacy of approximately 90% in adults; however, its safety and efficacy in children is unknown.

Objective: To assess the noninferiority of SII-NVX-CoV2373 in children and adolescents compared to adults and to evaluate its safety in comparison with placebo.

Design, Setting, And Participants: This phase 2-3 observer-blind randomized clinical trial was conducted in 2 cohorts, children (aged 2 to 11 years) and adolescents (aged 12 to 17 years) between August 2021 and August 2022.

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Background: Hospitalization burden related to hepatitis C virus (HCV) infection is substantial. We sought to describe temporal trends in hospitalization rates before and after release of direct-acting antiviral (DAA) agents.

Methods: We analyzed 2000-2019 data from adults aged ≥18 years in the National Inpatient Sample.

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  • Interstitial fibrosis involves the buildup of extracellular matrix, particularly collagen, in various organs, which can lead to scarring and organ dysfunction.
  • Accurate measurement of interstitial collagen is crucial for developing anti-fibrotic therapies, but current methods are usually semi-quantitative and limited.
  • The Genesis™ 200 imaging system and FibroIndex™ software offer an innovative, automated way to quantify collagen levels without staining, using second harmonic generation (SHG) for precise imaging and analysis of tissue samples.
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Due to the growing population and advancing economy, medical waste accumulation has come to the attention of all facets of society. Although the issue of medical waste management planning has been addressed in developed nations, it still exists in several developing nations. This paper examines the effects of barriers under the Organization action, work handling, and Human Resource Practices section on the healthcare waste management (HCWM) sector in a developing country India.

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