624 results match your criteria: "Federal University of Parnaíba Delta[Affiliation]"

Temporal binding refers to the subjective shortening of time between a cause and its effect compared with two unrelated events. The effect has been extensively explored over the past two decades and manifests across a robust range of paradigms, reflecting two distinct expressions of binding: (1) the subjective shortening of elapsed time between cause and effect and (2) the subjective attraction of cause and effect to each other. However, whether and how these binding expressions are related is still largely unknown.

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Background: Studies of non-invasive treatments such as repetitive transcranial magnetic stimulation (rTMS) and transcranial direct current stimulation (tDCS) can contribute in an alternative way to the symptoms treatment and changes in sleep patterns in attention deficit hyperactivity disorder (ADHD), due to some scientific evidence of action on cognition and clinical characteristics.

Aim: The aim of this systematic review was to evaluate studies of non-invasive brain stimulation using rTMS and tDCS on symptoms and sleep parameters in people with ADHD, in order to synthesize the main findings on intervention effects.

Methodology: A systematic review was carried out using the PRISMA protocol in the PubMed/Medline, Embase, PsycInfo, CINAHL, PEDro and Central-Cochrane library databases were initially carried out on 14 March 2024 and repeated until September 2024.

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Specialized or secondary metabolites are small molecules of biological origin, often showing potent biological activities with applications in agriculture, engineering and medicine. Usually, the biosynthesis of these natural products is governed by sets of co-regulated and physically clustered genes known as biosynthetic gene clusters (BGCs). To share information about BGCs in a standardized and machine-readable way, the Minimum Information about a Biosynthetic Gene cluster (MIBiG) data standard and repository was initiated in 2015.

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Article Synopsis
  • In Nigeria, violence against healthcare workers (HCWs) is prevalent, significantly impacting healthcare access and workers' well-being, particularly in conflict and violent situations.
  • A study surveyed 1,218 HCWs and found that 16.7% experienced physical violence, while 62.4% faced psychological violence, with common forms including verbal abuse and pushing.
  • Major consequences included low job satisfaction, decreased confidence, and symptoms of post-traumatic stress disorder, primarily influenced by patient-related issues and hospital working conditions.
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Cluster headache and galcanezumab: the first real-world Brazilian study and an expert consensus on its use among other treatments.

J Headache Pain

December 2024

Universidade Federal do Delta do Parnaíba, Avenida São Sebastião, 2819, Fátima, Parnaíba, PI, 64001-020, Brazil.

Objective: To present the first Brazilian real-world results with galcanezumab and provide a consensus expert opinion on the prophylactic treatment of cluster headache (CH) in Brazil.

Methods: The first part of the study (real-world results) was observational, prospective, uncontrolled, and descriptive. A sample of 44 consecutive patients with episodic or chronic CH were evaluated and treated in a traditional tertiary clinic from March 2020 to June 2024.

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The low-latitude habitats of the South American reef system have a high endemism and represent important stepping-stones due to the connectivity with Amazon and Caribbean reefs. We provide the first seabed mapping, and analyze the benthic cover and fish assemblages of these extreme reefs. Fleshy macroalgae (2-66% of cover), algal turfs (0-47%), and sponges (3-25%) are the dominant benthic groups.

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  • Migraine is a common headache disorder that can include visual or sensory disturbances called auras, whereas tension-type headaches (TTH) lack these symptoms.
  • A study investigated 400 patients diagnosed with either migraine or TTH to assess the prevalence of skin ecchymosis (bruising) during and after headache episodes.
  • Results showed that 76% of migraine patients had ecchymosis compared to just 11% of those with TTH, suggesting that the presence of ecchymosis could help differentiate between these two types of headaches.
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Treatment of patients with myocardial ischemic diseases crucially involves cardiac reperfusion (CR). However, oxidative stress and tissue lesions caused by CR may also lead to lethal complications, such as arrythmias and vasoplegic syndrome (VS). Although methylene blue (MB) has long been used to treat VS due to cardiac ischemia and reperfusion (CIR) and/or surgery because of its vascular effects, MB's effects on the heart are unclear.

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Non-steroidal anti-inflammatory drugs (NSAIDs) are widely used in therapy due to their anti-inflammatory and analgesic properties. However, their clinical use is often associated with gastrointestinal complications. Thus, this study aimed to investigate the protective effect of a sulfated iota-carrageenan isolated from the marine alga (IC-Sf) against naproxen-induced gastrointestinal injury.

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Introduction: This study was designed to evaluate the effects of multiple cold-water immersions performed daily during the preseason period on biochemical, clinical, and neuromuscular aspects of muscle damage of soccer players.

Methods: This two-arm, prospectively registered, randomized controlled trial, blinded to statistician and assessors, was conducted at professional football club facilities. Twenty-three under-20 semi-professionals male soccer players were randomly allocated into cold water immersion group (bathtub with water and ice at 10 °C ± 1 °C for 10 min) or control group (rest for 10 min), every day, after training sessions during a preseason.

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Soil carbon in the world's tidal marshes.

Nat Commun

November 2024

Conservation Science Group, Department of Zoology, University of Cambridge, Cambridge, UK.

Tidal marshes are threatened coastal ecosystems known for their capacity to store large amounts of carbon in their water-logged soils. Accurate quantification and mapping of global tidal marshes soil organic carbon (SOC) stocks is of considerable value to conservation efforts. Here, we used training data from 3710 unique locations, landscape-level environmental drivers and a global tidal marsh extent map to produce a global, spatially explicit map of SOC storage in tidal marshes at 30 m resolution.

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Motor rehabilitation in patients with facial disorders, such as facial paralysis (FP), has faced challenges in maintaining the patients' engagement and motivation in the intensive and repetitive execution of the exercises. To assist in the facial rehabilitation process, gamified tools (GTs) have been proposed to promote stimulation and engagement in affected patients. This study provides a comprehensive review on the use of GTs to aid facial rehabilitation, with the aim of investigating the potential of such computer-based tools to motivate facial mime exercises.

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Synthesis and characterization of new quaternized galactomannan derivatives with antibacterial activity.

Int J Biol Macromol

December 2024

Postgraduate Program in Materials Science and Engineering - PPGCM, Federal University of Piauí, Teresina, PI, Brazil; Research Center on Biodiversity and Biotechnology, Biotec, Parnaíba Delta Federal University, Parnaíba, PI, Brazil. Electronic address:

The continuous increase in bacterial resistance requires the study and development of new biocompatible antibacterial materials. Galactomannan gum was extracted from endosperms of Dimorphandra gardneriana seeds, modified through quaternization reactions (with NaOH/CHPTAC), and evaluated for antimicrobial activity. Four quaternized derivatives were obtained (QG1-QG4).

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Seaweeds are natural sources of sulfated polysaccharides (SPs), biopolymers with remarkable pharmacological properties, including biological actions capable of attenuating components of the inflammatory process such as edema, cytokines, cell migration and pain. Our results confirm that SPs obtained from Gracilaria domingensis (SP-GD) are agarans, primarily composed of residues of β-d-galactopyranose 6-sulfate and 3,6-anhydro-α-l-galactopyranose. Specifically, SP-GD at a dose of 10 mg/kg was effective in significantly reducing paw edema induced by carrageenan or histamine, serotonin, bradykinin, 48/80 and prostaglandin E2.

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Objectives: The NIH All of Us Research Program (All of Us) is engaging a diverse community of more than 10 000 registered researchers using a robust engagement ecosystem model. We describe strategies used to build an ecosystem that attracts and supports a diverse and inclusive researcher community to use the All of Us dataset and provide metrics on All of Us researcher usage growth.

Materials And Methods: Researcher audiences and diversity categories were defined to guide a strategy.

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Introduction/background: Atrial fibrillation (AF) is the most common sustained cardiac arrhythmia. The AF Atrial Fibrillation Registry, which commenced in June 2023, was designed to provide clinical epidemiological data on patients with AF in the country.

Objective(s): The objective is to describe the rationale, design, and early findings from the registry.

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  • Chronic heart failure (CHF) presents distinct gender-specific factors that impact patient care, yet women are underrepresented in related studies, highlighting a need for more focused research.
  • This study examines 1,290 CHF patients to analyze gender differences in causes, comorbidities, treatment, and one-year mortality rates.
  • Findings reveal that men, who made up 55.8% of the study group, generally had worse health outcomes, prevalent comorbidities, and higher mortality rates compared to women, suggesting significant gender disparities in CHF profiles.
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Hydroxyurea (HU) exerts unique and diverse biological effects as an anti-leukemic agent, irradiation sensitizer, and HbS inducer in patients with sickle cell anemia. Herein, we assessed the potential toxicogenic and/or oxidant effects of hydroxyurea associated with ascorbic acid by examinations in and human cancer cells and systemically on mice tissues. Growing roots and HCT-116 colorectal tumor cells were examined after HU and HU plus ascorbic acid exposure.

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Annual outbreaks of Lassa fever have resulted in a public health threat in Nigeria and other endemic countries in Sub-Saharan Africa. While the Lassa Virus (LASV) is endemic in rodent populations, zoonotic spillover to humans causes annual outbreaks. This study reviewed the burden of Lassa fever (LF) in Nigeria between 2020 and 2023 and conducted a cross-sectional survey of Nigerians to evaluate their risk perceptions of LF.

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Background: Household Food Insecurity (HFI) is closely linked with nutritional status. The Global Report on Food Crises 2019 reported more than 113 million people face food insecurity hence the need to address Food insecurity in line with Sustainable Development Goal 2 which seeks to achieve food security and improve nutrition by 2030.

Objectives: To determine the prevalence of HFI, compare the nutritional status of children aged 6-59 months in food-secure and food-insecure households, and determine the predictors of malnutrition in food-insecure households in Yenagoa LGA, Bayelsa State.

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Introduction And Hypotheses: Few studies have investigated the relationship between work productivity (WP) and overactive bladder syndrome (OABS). The majority of those that do use generic productivity questionnaires or only include WP as a secondary outcome. We evaluated the impact of OABS on specific domains of WP, with the hypothesis that OABS has an impact on the domains of efficiency, concentration, vigor, and irritability, lost working hours, interruptions, and impairment to the work schedule.

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  • Natural killer (NK) cells are important immune cells in cancer therapy, with treatments aimed at enhancing their anti-cancer functions in the body.
  • NK cell-derived exosomes (NDEs) are safe, easily modified, and can boost the effectiveness of various cancer therapies while minimizing side effects.
  • The review discusses the potential and challenges of different NK cell therapies, the impact of tumor exosomes on NK cells, and the future role of NDEs in improving cancer immunotherapy outcomes.
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Existing ecofriendly apprehensions about climate change have directed scientists to discover plant-based vegetable oils for use as fuels, such as straight vegetable oils and their biodiesels, because of their renewability, nontoxic nature, biodegradability, and environmental friendliness. This experimental study intended to reveal the tribological aspects of 90 °C preheated straight vegetable oil (PHSVO90) used in a 7.35 kW, 1000 rpm constant speed indirect injection (IDI) diesel engine and likened to conventional diesel operation by conducting an elongated term durability examination for 512 h as per IS:10000 standards.

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In 2022, the European Food Safety Authority (EFSA) conducted a dietary cumulative risk assessment for active substances of plant protection products on two types of craniofacial alterations: 1) craniofacial alterations due to abnormal skeletal development and 2) head soft tissue alterations and brain neural tube defects. These effects were selected based on developmental biology knowledge and a hypothetical teratogenic process. Cumulative risk assessment was conducted for 14 European populations of women in childbearing age.

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