848 results match your criteria: "Institute of Biological Science[Affiliation]"

Autism spectrum disorder (ASD) is a neurodevelopmental disorder characterized by deficits in social interaction and communication. While many studies suggest that individuals with ASD struggle with emotion processing, the association between emotion processing and autistic traits in non-clinical populations is still unclear. We examine whether neurotypical adults' facial emotion recognition and expression imitation are associated with autistic traits.

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Dormancy is a wide-spread key life history trait observed across the tree of life. Many plankton species form dormant cells stages that accumulate in aquatic sediments and under anoxic conditions, form chronological records of past species and population dynamics under changing environmental conditions. Here we report on the germination of a microscopic alga, the abundant marine diatom Skeletonema marinoi that had remained dormant for up to 6871 ± 140 years in anoxic sediments of the Baltic Sea and resumed growth when exposed to oxygen and light.

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is a plant widely cultivated for food and medicinal purposes. species have been reported as anti-inflammatory, antibacterial, anxiolytic, and antinephritic agents. This study aimed to evaluate the anti-inflammatory potential of the ethanolic extract (EE) from the aerial parts of and its most promising fraction in models of acute and chronic inflammation, including a psoriasis-like mouse model.

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Background: The increasing industrialization and hydrocarbon use have led to concerning soil contamination. Oil spills and improper disposal of oily waste pose threats to ecosystems and human health. The recovery of these environments is essential, but separating oily components from soil remains challenging.

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Spermatogenesis is a highly complex and tightly regulated cellular differentiation process closely related to the productive performance of male livestock. We do not yet have a clear understanding of the spermatogenesis mechanism of buffalo. In this study, spermatogonia, spermatocytes and spermatids were analysed by flow cytometry.

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Introduction: Diabetes, obesity, and CKD collectively impact musculoskeletal health and increase the risk of severe coronavirus disease 2019 (COVID-19) outcomes.

Methods: This cross-sectional study included 32 dialysis patients, categorized based on their COVID-19 status. Laboratory assessments included inflammatory markers (IL-1β, IL-6, IL-8, and TNF-α).

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: Thoracolumbar and lumbar spine injuries account for 30-60% of spinal fractures, especially at the thoracolumbar junction. Conservative treatment is recommended for stable fractures without neurological symptoms, but studies suggest surgical intervention may offer better outcomes. However, there is no consensus on the best stabilization method.

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The article characterises platelets, pointing out the role and contribution of their numerous receptors determining their specific and broad immune activity. Three types of platelet receptors are described, that is, extracellular and intracellular receptors-TLR (toll-like receptors), NLR (NOD-like receptor), and RLR (RIG-I-like receptor); extracellular receptors-selectins and integrins; and their other extracellular receptors-CLR (C-type lectin receptor), CD (cluster of differentiation), TNF (tumour necrosis factor), among others. Outlining the contribution of these numerous platelet receptors to the intravascular immunity, it has been shown that they are formed by their fusion with pathogen-associated molecular patterns (PAMPs), damage-associated molecular patterns (DAMPs), and lifestyle-associated molecular patterns (LAMPs).

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Respiration is governed by a central rhythm and pattern generator, which has the pre-Bötzinger complex as the inspiratory oscillator initiating the coordinated activity of several respiratory muscles, including the diaphragm, intercostals, and upper airway muscles. The diaphragm is the main inspiratory pump muscle driving inflow, whereas dilator upper airway muscles, such as tongue muscles, reduce airway resistance during inspiration. Breathing exhibits a marked state-dependent pattern attributed to changes in neuromodulatory tone in respiratory-related brain regions, including decreases in noradrenaline and serotonin and increases in acetylcholine levels during rapid eye movement (REM) sleep.

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mA Reader PRRC2A Promotes Colorectal Cancer Progression via CK1ε-Mediated Activation of WNT and YAP Signaling Pathways.

Adv Sci (Weinh)

November 2024

The First Affiliated Hospital of Zhengzhou University, Tianjian Laboratory of Advanced Biomedical Sciences, Academy of Medical Sciences, Zhengzhou University, Zhengzhou, Henan, 450052, China.

Colorectal cancer (CRC) is the third most common cancer type and the second highest mortality rate among cancers. However, the mechanisms underlying CRC progression remain to be fully understood. In this work, a recently identified mA-modified RNA reader protein Proline-rich Coiled-coil 2a (PRRC2A) is markedly upregulated in CRC, and intestinal epithelium-specific deletion of Prrc2a significantly suppressed tumor cell growth, stemness, and migratory capacity, while its overexpression promoted these behaviors.

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Polycomb group (PcG) proteins play important roles in hematopoietic stem cell (HSC) self-renewal. Mel18 and Bmi1 are homologs of the PCGF subunit within the Polycomb repressive complex 1 (PRC1). Bmi1 (PCGF4) enhances HSC self-renewal and promotes terminal differentiation.

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Fat is an essential component of meat which contributes to its sensory characteristics. Therefore, producing cultivated fat is essential to replicate the texture, flavor, and juiciness of conventional meat. One of the challenges in obtaining cultivated fat is that once adipocytes reach differentiation in culture, they tend to float.

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Unlabelled: As an enduring hot topic in the field of innate immunity, apoptosis is widely considered an effective approach to eliminate pathogenic microbes and plays a crucial role during host-pathogen interactions. Recently, researchers have found that the virus-containing host cells could transmit apoptotic signals to the surrounding uninfected cells during infection, but the mechanism remains unclear. Here, we found that exosomes secreted by WSSV-infected mud crab hemocytes contain viral nucleic acid wsv277, which could be transported to the recipient cells and further expressed viral protein with phosphokinase activity.

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Rescuing pathogen-specific memory B-cell from PBMC of prior Zika virus-infected individuals.

Immunol Lett

February 2025

Department of Cellular Biology, Institute of Biological Science, University of Brasília, Brasília, Brazil; Molecular Biology Post-Graduation Program, UnB, Brazil; Molecular Pathology Post-Graduation Program, UnB, Brazil; iii- Institute for Investigation in Immunology - INCT-iii - CNPq/MCT, Brazil.

Immunological memory, a fundamental immune system mechanism, is instrumental in long-term protection. Successful vaccines can elicit and sustain immunological memory against pathogens for the long term. Memory B cells (MBC) are key players in secondary responses due to their longevity and rapid differentiation into high-affinity antibody-secreting cells upon second antigen exposure.

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and bacteria, which live in mutualistic symbiosis with entomopathogenic nematodes, are currently recognised as an important source of bioactive compounds. During their extraordinary life cycle, these bacteria are capable of fine regulation of mutualism and pathogenesis towards two different hosts, a nematode and a wide range of insect species, respectively. Consequently, survival in a specific ecological niche favours the richness of biosynthetic gene clusters and respective metabolites with a specific structure and function, providing templates for uncovering new agrochemicals and therapeutics.

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The objective of present review is to provide a scientific overview of sugarcane as a potential feedstock for biofuel and use of genome editing approach for improvement of industrial and agronomical traits in sugarcane. Sugarcane, a perennial tropical grass with a high biomass index, is a promising feedstock for bioethanol production, and its bagasse, rich in lignocellulosic material, serves as an ideal feedstock for producing second-generation bioethanol. To improve the conversion of sugarcane biomass into biofuels, developing varieties with improved biomass degradability and high biomass and sucrose content is essential.

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This study aimed to determine the protective role of the high release of C. albicans extracellular DNA (eDNA) in a polymicrobial biofilm formed by S. aureus and S.

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Objectives: This study aimed to investigate whether the plant species Stachys byzantina produces bioactives with the potential to delay the skin ageing process and treat hyperpigmentation conditions.

Methods: The antioxidant action was assessed by 2,2-diphenyl-1-picrylhydrazylradical scavenging, Griess reaction, oxygen radical absorption capacity, and β-carotene bleaching assays. Inhibitory activities for tyrosinase, hyaluronidase, and elastase enzymes were tested.

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Physiological adaptations of red blood cells during aestivation in the south American lungfish Lepidosiren paradoxa.

Comp Biochem Physiol A Mol Integr Physiol

January 2025

Department of Physiology and Biophysics, Institute of Biological Science, Federal University of Minas Gerais (ICB/UFMG), Belo Horizonte, Brazil. Electronic address:

The South American lungfish Lepidosiren paradoxa inhabits areas with variable pluvial regimes. During aestivation (dormancy state observed in some species during dry seasons), the prolonged period of dryness imposes osmotic stress. We aimed to investigate the physiological and morphological adaptations of RBCs in Lepidosiren paradoxa during aestivation.

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Involvement of Renin-Angiotensin system (RAS) components in mild traumatic brain injury.

Brain Res

January 2025

Department of Morphology, Institute of Biological Science, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil; Interdisciplinary Laboratory of Medical Investigation, Faculty of Medicine, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil. Electronic address:

Article Synopsis
  • The study examines how the Renin Angiotensin System (RAS) is involved in mild traumatic brain injury (mTBI), focusing on changes in RAS components in an animal model.
  • It found increased levels of certain RAS components in specific brain regions after injury, alongside changes in receptor expression over time.
  • Treatment with RAS-blocking medications improved motor activity and reduced anxiety in mTBI mice, suggesting potential therapeutic options for managing mTBI symptoms.
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Article Synopsis
  • Increased carbohydrate intake can lead to heart issues in mice, causing problems like cardiac hypertrophy (enlargement) and inflammation due to the activation of the NLRP3 inflammasome.
  • In this study, researchers tested whether a non-hypoglycemic dose of glibenclamide could reverse heart damage caused by a high-carbohydrate (HC) diet by inhibiting the NLRP3 inflammasome.
  • The results showed that glibenclamide improved heart structure and function in mice on the HC diet, reducing inflammation and oxidative stress without affecting insulin resistance.
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Objective: The aim of the study was to assess the diachronicity of factors that produce malocclusion from the 18th century to the present.

Materials: A total of 74 adult individuals Radom (Poland) of both sexes were examined (males: 46, females: 28).

Methods: The skulls were grouped according to the type of malocclusion found: i) anterio-posterior (skeletal Class I/II/III), ii) transverse (cross bite/scissor bite), and iii) vertical (open bite/deep bite).

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Profiling Metabolites with Antifungal Activities from Endophytic Plant-Beneficial Strains of Isolated from (Hack.) Rothm.

Molecules

September 2024

Department of Genetics and Microbiology, Institute of Biological Science, Faculty of Biology and Biotechnology, Maria Curie-Skłodowska University, Akademicka 19 Str., 20-033 Lublin, Poland.

Article Synopsis
  • Fungal phytopathogens pose a significant threat to global food production, leading researchers to explore biocontrol agents as alternative solutions.
  • The study examined three endophytic bacterial isolates for their antifungal properties against soil-borne pathogens, revealing a variety of bioactive compounds including phenazine derivatives and siderophores.
  • Findings suggest that these bacterial strains possess strong antifungal activity and plant growth promotion traits, indicating their potential use in sustainable agriculture and as commercial fungicides for fruits and vegetables.
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A novel viral RNA detection method based on the combined use of trans-acting ribozymes and HCR-FRET analyses.

PLoS One

September 2024

Laboratory of Synthetic Biology, Department of Genetics and Morphology, Institute of Biological Science, University of Brasília (UnB), Brasília, Federal District, Brazil.

Article Synopsis
  • The diagnosis of retroviruses is crucial for controlling pandemics, but current methods like RT-qPCR are costly and logistically challenging.
  • A novel detection method for SARS-CoV-2 viral RNA was developed, combining ribozymes and FRET-based DNA hairpins for enhanced sensitivity.
  • The results showed that this new approach cleaved viral RNA quickly and effectively, allowing for specific detection and the potential for adaptation to other viruses while also exploring low-cost detection options.
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