Molecular and Immunological Properties of a Chimeric Glycosyl Hydrolase 18 Based on Immunoinformatics Approaches: A Design of a New Anti- Vaccine.

Leishmaniasis is a chronic inflammatory zoonotic illness caused by protozoan flagellates belonging to the genus. Current data suggest that over 1 billion people worldwide are susceptible to infection, primarily in tropical and subtropical countries, where up to 2 million new cases are reported annually. Therefore, the development of a vaccine is crucial to combating this disease.

Pyrazinyl-Substituted Aminoazoles as Covalent Inhibitors of Thrombin: Synthesis, Structure, and Anticoagulant Properties.

This study presents a novel series of -acylated 1,2,4-triazol-5-amines and 1-pyrazol-5-amines, featuring a pyrazin-2-yl moiety, developed as covalent inhibitors of thrombin. These compounds demonstrated potent inhibitory activity, with derivatives and achieving IC values as low as 0.7 and 0.

Long-term outcomes of patients who received extracorporeal cardiopulmonary resuscitation (ECPR) following in-hospital cardiac arrest: Analysis of EXCEL registry data.

Objective: To describe the six-month functional outcomes of patients who received extracorporeal cardiopulmonary resuscitation (ECPR) following in-hospital cardiac arrest (IHCA) in Australia.

Design: Secondary analysis of EXCEL registry data.

Setting: EXCEL is a high-quality, prospective, binational registry including adult patients who receive extracorporeal membrane oxygenation (ECMO) in Australia and New Zealand.

Feasibility and stage at diagnosis for children with cancer: a pilot study on population-based data in a middle-income country using the Toronto childhood cancer stage guidelines.

Background: The aim was to conduct a pilot study in a middle-income country testing the use of the Toronto Childhood Cancer Staging System by Population-Based Cancer Registry (PBCR).

Methods: This study involved first the translation of the Australian pediatric cancer staging manual for 16 types of pediatric tumours. Four PBCRs from different regions of Brazil were selected for a pilot study.

Bioinformatics and molecular biology tools for diagnosis, prevention, treatment and prognosis of COVID-19.

Since December 2019, a new form of Severe Acute Respiratory Syndrome (SARS) has emerged worldwide, caused by SARS coronavirus 2 (SARS-CoV-2). This disease was called COVID-19 and was declared a pandemic by the World Health Organization in March 2020. Symptoms can vary from a common cold to severe pneumonia, hypoxemia, respiratory distress, and death.

as a sentinel in the assessment of antimicrobial resistance in the tilapia production chain: from production environment to the final product.

Introduction: The intensification of tilapia production has increased animal density in tanks, leading to more frequent exposure to pathogenic agents and compromising the quality of fish products. Antimicrobial resistance is a global concern that affects human treatment, and sentinel microorganisms like are crucial for monitoring production chains, especially in aquaculture, where research is still limited. The aim of this study was to identify the presence of and investigate its antimicrobial resistance profiles throughout the entire tilapia production chain.

Clinical and laboratory findings of hookworms ( spp.) in naturally infected adult dogs.

Intestinal parasites of the genus are the most prevalent in coproparasitological examinations and necropsies of dogs in Brazil. Although adult dogs often remain asymptomatic when infected, there is limited published information concerning the laboratory and clinical findings and severity of infection in symptomatic adult dogs. Therefore, this study aimed to characterize the clinical and laboratory findings of adult -infected dogs.

Intranasal Administration of the Combination of Dextro-Ketamine and Dexmedetomidine for Treatment of Diabetic Neuropathic Pain in Rats.

Introduction: Diabetes mellitus (DM) has become a public health problem, which is associated with high morbidity and mortality, due to the chronic complications, such as diabetic neuropathy. Current recommendations for the treatment of neuropathic pain achieve a reduction of 30% in only 30% of cases. Therefore, it is necessary to identify new therapeutic approaches to improve the quality of life of diabetic patients.

Adverse Drug Reactions in Pregnant People with Hypertension and/or Diabetes: Temporal Profile and Associated Factors.

Background: Pregnant people, especially those with diabetes mellitus or hypertension, are particularly vulnerable to adverse drug reactions (ADRs).

Objective: To determine the incidence of and factors associated with ADRs in hospitalized pregnant people with diabetes and/or hypertension.

Methods: This prospective cohort study involved pregnant people with diabetes and/or hypertension admitted to a maternity hospital in Natal, Brazil, between August 2019 and July 2022.

Genotoxicity study of L. extract.

L., a member of the Cannabaceae family, has been thoroughly investigated for its diverse therapeutic properties, primarily attributed to cannabinoids such as delta-9-tetrahydrocannabinol (THC) and cannabidiol (CBD). Secondary, metabolites like terpenes also exhibit pharmacological effects.

Later lines of systemic therapy in patients with metastatic colorectal cancer: real-world data from a setting with barriers to access cancer therapies.

Background: Regorafenib and trifluridine/tipiracil (TFD/TPI) are oral systemic therapies with survival benefit in chemorefractory metastatic colorectal cancer (mCRC) patients, but they are not widely available worldwide. We aimed to evaluate the treatment patterns and outcomes of patients with limited access to these drugs.

Methods: Retrospective study involving 510 patients with mCRC who were treated at five different centers in Brazil, from January 2011 to December 2019.

Muscular Performance of the Elbow Flexor and Extensor Muscles in Children With Myopathies: A Case-Control Study.

Background And Purpose: Children with myopathies often experience muscle weakness in their lower limbs. However, the upper limbs are also affected and, at the same time, play a key role in daily living activities as well as in transfers and assisted mobility using auxiliary devices. The objective was to assess the performance of the elbow flexor and extensor muscles through static and dynamic contractions in children with myopathies and in their typical peers.

Techno-functionality of jack bean (Canavalia ensiformis) protein concentrate: a comparative study with soy and pea proteins.

Background: With the growing human awareness of the environmental and animal stress caused by the meat industry, the consumption of plant-based products has expanded. Plant proteins have gained market prominence due to their sustainable origin, economic value and health benefits. Well-established plant proteins in the market, such as those of soy and pea, have various applications as ingredients in the food industry.

Hand dominance shift during sleep in sexsomnia: a clue to pathophysiology?

Study Objectives: To elucidate whether awake handedness in sexsomnia is retained during sleep to uncover potential clues about the underlying neurophysiologic mechanisms.

Methods: Participants' and observers' self-reported handedness during sexsomnia events.

Results: Case 1: A 22 y/o right-handed female with an eight-year history of nocturnal sleep-related masturbatory behavior (SMB) involving the left hand (LH) exclusively.

Heads and Tails: Comparative Osteology of Nearctic Dipsadid Snakes.

Although numerous studies have addressed some aspects of the cranial osteology of Nearctic dipsadid species, only the species within the genera Heterodon and Carphophis have a formal published description of their skull. Similarly, vertebral data on such species are extremely scarce, and most of the available literature is focused on fossils. Such group has a complex phylogenetic history, being recovered as monophyletic or nonmonophyletic depending on the approach.

Expression and purification of E140 protein antigen fragments of Plasmodium vivax and Plasmodium berghei for serological assays.

Malaria, a life-threatening disease caused by Plasmodium parasites, continues to pose a significant global health threat, with nearly 250 million infections and over 600 000 deaths reported annually by the WHO. Fighting malaria is particularly challenging partly due to the complex life cycle of the parasite. However, technological breakthroughs such as the development of the nucleoside-modified mRNA lipid nanoparticle (mRNA-LNP) vaccine platform, along with the discovery of novel conserved Plasmodium antigens such as the E140 protein, present new opportunities in malaria prevention.

Detrimental effects of chronic sugar-sweetened carbonated soft drink consumption on inflammatory response and the size of apical periodontitis: An animal-based study.

Aim: This study aimed to evaluate the effects of chronic consumption of two sugar-sweetened carbonated soft drinks - one containing caffeine (Coca-Cola®) and one without (Sprite®) - on the progression of periapical lesions and the levels of pro-inflammatory cytokines in rats.

Methodology: Twelve Wistar rats were divided into three groups (n = 4): Control group, Coca-Cola group and Sprite group. The rats in Coca-Cola and Sprite groups were given ad libitum access to their respective soft drinks for 3 months, while the Control group received filtered water.

Buthionine sulfoximine acts synergistically with doxorubicin as a sensitizer molecule on different tumor cell lines.

The chemotherapeutic drug doxorubicin (DOX) has been widely used for treating solid tumors attributed to its antiproliferative effectiveness; however, its clinical use is limited due to side effects, including cardiotoxicity, myelosuppression, and drug resistance. Combining DOX with buthionine sulfoximine (BSO), a glutathione (GSH) synthesis inhibitor, showed promising results in overcoming these adverse effects, potentially reducing the required DOX dose while maintaining efficacy. The aim of the present study was to examine the effects of different concentrations of BSO and DOX, both individually and in combination, utilizing B16/F10 (murine melanoma), SNB-19 (human glioblastoma), S180 (murine sarcoma), and SVEC4-10 (murine endothelial) cell lines.

Electrochemistry and Gold Catalysis: Unusual Allies in Redox Mediated Organic Reactions.

Devising advanced protocols to avoid harsh oxidants is of paramount interest in gold catalyzed redox reactions. To address this issue, electrochemical oxidation of precatalytic Au complexes to catalytically active Au in situ species has started to emerge as a potential alternative. Such endeavours not only unlocked the possibility of direct anodic oxidation of Au to Au, but also enables stepwise oxidation of Au to Au to Au through the mediation of electro-generated organic radicals.

Sleep and circadian rhythms in delayed sleep-wake phase disorder: Phenotypic differences between patients with and without comorbid depression.

Delayed sleep-wake phase disorder involves chronic difficulty going to bed and waking up at conventional times and often co-occurs with depression. This study compared sleep and circadian rhythms between patients with delayed sleep-wake phase disorder with depression (DSWPD-D) and without (DSWPD-ND) comorbid depression. Clinical records of 162 patients with delayed sleep-wake phase disorder (70 DSWPD-D, 92 DSWPD-ND) were analysed, including a subset of 76 patients with circadian phase determined by the dim light melatonin onset.

Bullying in adolescents across three years in the context of the COVID-19 pandemic: a repeated cross-sectional and prospective analysis.

Background: Bullying has been identified as a risk factor for many issues among adolescents. Although it was already considered a public health issue in Brazil before the COVID-19 pandemic, little is known about how the pandemic and associated public health measures have affected bullying behavior.

Objective: To explore changes in bullying victimization and perpetration among Brazilian high school students from 2019 to 2022.

Clinical outcomes of COVID-19 in patients with liver cirrhosis - a propensity-matched analysis from a multicentric Brazilian cohort.

Background: Cirrhosis has been pointed out as a clinical entity that leads to worse clinical prognosis in COVID-19 patients. However, this concept is controversial in the literature. We aimed to evaluate clinical outcomes by comparing patients with cirrhosis to those without cirrhosis in a Brazilian cohort.

Copper Tantalate by a Sodium-Driven Flux-Mediated Synthesis for Photoelectrochemical CO Reduction.

Copper-tantalate, CuTaO (CTO), shows significant promise as an efficient photocathode for multi-carbon compounds (C) production through photoelectrochemical (PEC) CO reduction, owing to its suitable energy bands and catalytic surface. However, synthesizing CTO poses a significant challenge due to its metastable nature and thermal instability. In this study, this challenge is addressed by employing a flux-mediated synthesis technique using a sodium-based flux to create sodium-doped CTO (Na-CTO) thin films, providing enhanced nucleation and stabilization for the CTO phase.

Small and medium-scale biorefineries: biomass quantification and its bioeconomic potential in the Southern Coastal Territory of Bahia.

Small and medium-scale biorefineries are processing facilities designed to produce a portfolio of value-added products with applications in different productive sectors. The Territory of the Southern Coast (TSC) of Bahia in Brazil has a high potential to provide agricultural and forest biomass for these bioindustries. This study focuses on quantifying the biomass of key agricultural crops in the TSC from 1999 to 2019, utilizing data from the Municipal Agricultural Production (MAP) survey conducted by the Brazilian Institute of Geography and Statistics (IBGE).

Resting beat-to-beat blood pressure variability in humans: role of alpha-1 adrenergic receptors.

Purpose: Resting beat-to-beat blood pressure variability is a strong predictor of cardiovascular events and mortality. However, its underlying mechanisms remain incompletely understood. Given that the sympathetic nervous system plays a pivotal role in cardiovascular regulation, we hypothesized that alpha-1 adrenergic receptors (the main sympathetic receptor controlling peripheral vasoconstriction) may contribute to resting beat-to-beat blood pressure variability.