A well-constructed pollen wall is essential for pollen fertility, which relies on the contribution of tapetum. Our results demonstrate an essential role of the tapetum-expressed protein phosphatase 2A (PP2A) B'α and B'β in pollen wall formation. The b'aβ double mutant pollen grains harbored sticky remnants and tectum breakages, resulting in failed release.
View Article and Find Full Text PDFThe adoption of pultruded glass fibre-reinforced polymer (pGFRP) composites as a substitute for traditional wooden cross-arms in high transmission towers represents a relatively novel approach. These materials were selected for their high strength-to-weight ratio and lightweight properties. Despite various studies focusing on structures improvement, there still have a significant gap in understanding the deformation characteristics of full-scale cross-arms under actual operational loads.
View Article and Find Full Text PDFPreclinical heart failure studies rely heavily on mouse models despite their higher metabolic and heart rates compared to humans. This study examines how mouse strain (C57BL/6J vs. C57BL/6N) and housing temperature (23 °C vs.
View Article and Find Full Text PDFRamadan is a month-long religious festival observed by Muslim worldwide, characterised by intermittent fasting. This qualitative study addressed the need to understand how fasting is experienced by Muslims residing in Western cultures, aiming to inform policies that create a more supportive environment. Practicing Muslims, both men and women, were recruited in the North of England in the United Kingdom (UK).
View Article and Find Full Text PDFSpontaneous abortion, commonly known as miscarriage, is a significant concern during early pregnancy. Histopathological examination of tissue samples is a widely used method to diagnose and classify tissue phenotypes found in products of conception (POC) after spontaneous abortion. Histopathological examination is subjective and dependent on the skill and experience of the examiner.
View Article and Find Full Text PDFIncreasing aquaculture production requires high-density farming, which induces stress, necessitating supplements to mitigate its effects and ensure fish health. The aim of this study was to examine how CaNa2EDTA (EDTA) affects the growth, immune response and antioxidant activity in Nile tilapia (Oreochromis niloticus). The fish were raised at three different stocking densities: low (LD = 2.
View Article and Find Full Text PDFAntibiotic resistance is a world wide problem mainly in developing countries. In this work, coelomic fluid (PCF) and paste (PBP) of Pheretima posthuma was assessed for its potential as antibiofilm and anti-quorum sensing (QS) agent against pathogenic bacterial biofilms. PCF and PBP were extracted and biofilm formation time kinetics was examined using crystal violet staining method by utilizing four bacterial isolates in bispecies biofilm (06 combinations; MH5-MH10) and multi species biofilms (05 combinations; MH11-MH15).
View Article and Find Full Text PDFPurpose: Pediatric hydrocephalus imposes a significant clinical and financial burden in developing countries. Traditional treatment by ventricular shunting in this setting suffers a high rate of shunt infection and malfunction. This study aims at assessing the efficacy and safety of endoscopic third ventriculostomy (ETV), either alone or combined with choroid plexus cauterization (CPC), for preventing shunt dependence in pediatric hydrocephalus within a healthcare setting of a tertiary hospital in Egypt.
View Article and Find Full Text PDFBackground: Currently, 30 million children are experiencing acute malnutrition, and 8 million children are severely underweight.
Objective: This study aimed to develop a stunting super app, a one-stop app designed to prevent and manage stunting in Indonesia.
Methods: This study consisted of three stages.
Onderstepoort J Vet Res
November 2024
No abstract available.
View Article and Find Full Text PDFIntroduction: There are numerous reasons for underutilization of the public health sector for surgery in Pakistan. This results in patients being diverted to private hospitals or tertiary care centers in urban areas. Diversions overburden the hospitals and significantly increase out-of-pocket costs for the patients.
View Article and Find Full Text PDFProgressive multifocal leukoencephalopathy (PML) is a rare diagnosis associated with high mortality in different clinical settings. PML has been attributed to the reactivation of the John Cunningham (JC) virus (JCV). JCV typically affects patients with HIV/AIDS, solid organ and hematological malignancies, and those under treatment with immunomodulatory drugs (IMiDs) like pomalidomide.
View Article and Find Full Text PDFDisaster Med Public Health Prep
November 2024
Objectives: Diphtheria, a highly contagious disease that can be prevented through vaccination, is emerging in Khyber-Pakhtunkhwa, Pakistan, an area known for its instability, which presents a severe risk of becoming an epidemic. This is particularly concerning, as the Government of Pakistan intends to send (push back, actually) Afghan refugees back to Afghanistan. This research aims to study the outbreak from an epidemiological perspective and suggest ways to manage it.
View Article and Find Full Text PDFObjectives: To evaluate whether commercially available 'off-the-shelf' wearable technology can improve patient rehabilitation outcomes, and to categorise all wearables currently being used to augment rehabilitation, including the disciplines and conditions under investigation.
Design: Systematic review following the Preferred Reporting Items for Systematic Reviews and Meta-Analysis 2020 statement checklist, and using the Grading of Recommendations, Assessment, Development and Evaluation approach.
Data Sources: Embase, MEDLINE, Web of Science and the Cochrane Library were searched up to and including July 2023.
Background: The U.S. Food and Drug Administration warned in 2012 that azithromycin (AZM) can cause potentially fatal irregular heart rhythm, particularly in patients with known cardiac risk factors.
View Article and Find Full Text PDFIn this study, biogenically synthesized AuNPs were first characterized via UV visible spectroscopy, SEM, XRD, and FTIR followed by toxicity evaluation using mice model. UV-visible spectroscopy of biogenic AuNPs showed peaks at 540-549 nm, while FTIR spectrum showed various functional groups involving O-H, Amide I, Amide II, O-H, C-H groups, and so on. SEM showed the size variation from 30 to 60 nm.
View Article and Find Full Text PDFBackground: Sonographic placental elastography has recently been employed as a non-invasive tool to investigate the structural alterations associated with various conditions such as pre-eclampsia, gestational diabetes and fetal growth restriction (FGR). The study was conducted based on the hypothesis that the placental elasticity might differ with varying severity of FGR and with that of appropriate for gestational age (AGA) pregnancies.
Methods: This study involved 121 pregnant women, with 54 in the normal group and 67 in the FGR group, which was defined as the fetal weight below the 10th percentile for gestational age.
In this manuscript we use novel types of soft operators to define new approaches of soft maps in the frame of supra soft topologies (or SSTSs), namely supra soft somewhere dens continuous (or SS-sd-continuous), SS-sd-open and SS-sd-closed maps. With the help of SS-closure (interior) operators and SS-sd-closure (interior) operators we succeed to introduce many equivalent conditions and several important properties to these notions. To name a few: We prove that there is an one to one between the SS-sd-open and SS-sd-closed maps under a bijective soft map, supported by counterexample to confirm the necessity of the bijectivity condition.
View Article and Find Full Text PDFIn today's era of modern healthcare, the intersection between medical practices and environmental responsibility has gained significant attention. One such area of focus is the practice of anesthesia, which plays a crucial role in various surgical procedures. Anesthetics such as nitrous oxide and volatile halogenated ethers (desflurane, isoflurane, sevoflurane) are examples of medical gases that are strong greenhouse gases that contribute to global warming.
View Article and Find Full Text PDFBackground: Non-Nucleoside Reverse Transcriptases Inhibitors (NNRTIs) are among the most extensively studied enzymes for understanding the biology of Human Immunodeficiency Viruses (HIV) and designing inhibitors for managing HIV infections. Indolyl aryl sulfones (IASs), an underexplored class of potent NNRTIs, require further exploration for the development of newer drugs for HIV.
Aims: In this context, we synthesized a series of novels by Indolyl Aryl Sulfones with a hydrazone moiety at the carboxylate site of the indole nucleus.
Patients critically afflicted with coronavirus disease 2019 (COVID-19) often need intensive care unit (ICU) admission, despite comprehensive vaccination campaigns. The challenges faced by healthcare systems in low-middle-income countries, including limited infrastructure and resources, play a pivotal role in shaping the outcomes for these patients. This study aimed to meticulously compare outcomes between COVID-19 vaccinated and nonvaccinated patients admitted to the ICU.
View Article and Find Full Text PDFBackground: This study provides a head-to-head comparison of the protection provided by the BNT162b2 and mRNA-1273 vaccines against SARS-CoV-2 infection and against severe COVID-19, covering primary series and third dose/booster vaccinations over up to 3 years of follow-up, both before and after the emergence of the omicron variant.
Methods: Two national, matched, retrospective cohort studies were conducted on Qatar's vaccinated population from December 16, 2020, to February 18, 2024. Subgroup analyses by pre-vaccination SARS-CoV-2 infection history, as well as sensitivity analyses, were also conducted.
Background: Social media in our networks have been exploited as dynamic learning tools and free platforms.
Aims: The main objective of this study is to determine the impact of VARK learning styles (visual (V), aural (A), read/write (R), and kinesthetic (K)) in enhancing parasitological laboratory skills using social media and various learning theories.
Methods: A research sample of 100 chemists working in Mega Alfa labs underwent online learning of laboratory parasitology skills via Facebook posts and WhatsApp dictated messages for an average of 7 weeks.
In light of various biological activities of benzimidazole and azines, this study focuses on reporting novel derivatives of benzimidazole nucleus. Twenty novel azines of benzimidazole were synthesized, characterized and tested for urease inhibitory activity. All these derivatives showed excellent to good inhibition in the range of IC values 14.
View Article and Find Full Text PDF