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Energy Measures as Biomarkers of SARS-CoV-2 Variants and Receptors

Author(s): Ghannoum Al Chawaf K; Lahmiri S;

The COVID-19 outbreak has made it evident that the nature and behavior of SARS-CoV-2 requires constant research and surveillance, owing to the high mutation rates that lead to variants. This work focuses on the statistical analysis of energy measures as biomarkers of SARS-CoV-2. The main purpose of this study is to determine which energy measure can diffe ...

Article GUID: 41596038


Contexts of Anointing Behavior in a Group of Blond Capuchin Monkeys (Sapajus flavius) Inhabiting an Atlantic Forest Fragment

Author(s): de Brito-Araújo AP; Hamada-Fearnside N; Peruzzo S; Pereira IF; Lins PGAS; Miller K; Rodrigues PEDS; Iniesta LFM; Ferreira RG;

Parasitism is one of the primary causes of biotic stress in several taxa, and behaviors resembling self-medication have been documented in numerous species. Anointing involves the application of chemical substances derived from animals, plants, mud, soils, and minerals, often emitting a pungent o ...

Article GUID: 41587383


Organic chemicals of Arctic concern in Russian coastal seas

Author(s): Min XZ; Zhang X; Xie ZY; Nikolaev A; Vorkamp K; Ma JM; Reiersen LO; Li L; Cai MH; Ren NQ; Li YF; Zhang ZF; Kallenborn R; Muir D;

Arctic ecosystems face significant threats from chemicals of global concern. Persistent organic pollutants (POPs) and polycyclic aromatic hydrocarbons (PAHs) have been consistently detected in the Arctic through decades of monitoring. POPs are known to bioaccumulate in food webs, and both POPs an ...

Article GUID: 41571477


Genetic dissection of stool frequency implicates vitamin B1 metabolism and other actionable pathways in the modulation of gut motility

Author(s): Díaz-Muñoz C; Bozzarelli I; Lopera-Maya EA; Belbasis L; Lo Faro V; Camargo Tavares L; Heredia-Fernández F; Di Lorenzo B; Sinha T; Esteban Blanco C; Favé MJ; Awadalla P; Walters RG; Bonfiglio F; Zhernakova A; Sanna S; D' Amato M;

Background: Genetic studies of stool frequency (SF), an indirect proxy for gastrointestinal transit, may reveal therapeutically tractable pathways relevant to IBS and other dysmotility disorders. Objective: To identify genes and mechanisms involved in gut motility, providing a foundation for cli ...

Article GUID: 41558814


Scientists warning: we must change paradigm for a revolution in toxicology and world food supply

Author(s): Seralini GE; Jungers G; Andersen A; Antoniou M; Aschner M; Bacon MH; Bertrand M; Bohn T; Bonfleur ML; Bücking E; Defarge N; Djemil R; Domingo JL; Douzelet J; Fagan J; Fournier T; Garcia JLY; Gil S; Hervé-Gruyer P; Hilbeck A; Hilty L; Hub ...

We propose a new paradigm, as toxicology currently lacks the proper perspective. From the 1950s to the 1970s, at least one-third of all toxicological testing in the United States, including for chemicals and drugs, was misleading scientists, and this worldwide issue persists today. Moreover, petr ...

Article GUID: 41551494


Assessing the performance of a surface washing agent for oil removal from sand in cold environments

Author(s): Sui J; Bi H; Yue R; Fu H; Yang A; An C;

Persistent oil contamination along coastlines can be treated by surface washing agents (SWAs), while low-temperature conditions can significantly impact the effectiveness of SWAs in oil removal. This study investigates the oil removal performance of a commercial SWA for oiled shoreline sand in cold-region environments. Batch oil removal tests were conduct ...

Article GUID: 41544565


Controlling Temozolomide Efficacy by Light-Dependent Inhibition of O sup 6 /sup ‑Methylguanine DNA Methyltransferase

Author(s): Lopez-Miranda IR; Sim JI; Juneau G; Wilds CJ; Beharry AA;

The DNA repair enzyme O6-Methylguanine DNA Methyltransferase (MGMT) is a major contributor in conferring resistance to alkylating agents such as temozolomide (TMZ) in cancers. The use of MGMT inhibitors can suppress resistance and enhance the efficacy of TMZ. However, current inhibitors are nonselective for cancer cells, and as a result, MGMT is also inhi ...

Article GUID: 41531960


Continuous Theta Burst to Supplementary Motor Area Modulates Groove

Author(s): Spiech C; Martínez MG; Lazzari G; Penhune V;

The pleasurable urge to move to music ("groove") has been shown to be greatest for moderately complex musical rhythms. This is thought to occur because temporal predictions from the motor system reinforce our perception of the beat when there is a balance between expectation and surprise. The supplementary motor area (SMA) has been identified as ...

Article GUID: 41511416


The Role of the Posterior Paraventricular Nucleus of the Thalamus in Food Deprivation-Induced Heroin-Seeking Relapse, in Male and Female Rats

Author(s): Borges C; Darecka A; Mainville-Berthiaume A; Ah-Yen E; Darvishmolla M; Courtemanche R; Shalev U;

Abstinence from drug use is often the result of the associated negative consequences. However, relapse occurs in a large proportion of abstinent users, and the underlying brain mechanisms are not clear. An arguably relevant brain area is the posterior paraventricular nucleus of the thalamus (pPVT ...

Article GUID: 41506524


Cross-species evaluation of TANGO2 homologs, including HRG-9 and HRG-10 in em Caenorhabditis elegans, /em challenges a proposed role in heme trafficking

Author(s): Sandkuhler SE; Youngs KS; Gottipalli O; Owlett LD; Bandora MB; Naaz A; Kim E; Wang L; Wojtovich A; Gupta V; Sacher M; Mackenzie SJ;

Mutations in the TANGO2 gene are associated with a severe neurometabolic disorder in humans, often presenting with life-threatening metabolic crisis. However, the function of TANGO2 protein remains unknown. It has recently been proposed that TANGO2 transports heme within and between cells, from a ...

Article GUID: 41504601


Statistical shape model-based estimation of registration error in computer-assisted total knee arthroplasty

Author(s): Gheflati B; Mirzaei M; Zuhars J; Rottoo S; Rivaz H;

Purpose: Computer-assisted surgical navigation systems have been developed to improve the precision of total knee arthroplasty (TKA) by providing real-time guidance on implant alignment relative to patient anatomy. However, surface registration remains a key source of error that can propagate through the surgical workflow. This study investigates how pati ...

Article GUID: 41495592


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