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143 pairs of high vaginal smears were analysed over a two and a half year period. Smears made by the examiner contained, for the most part, higher numbers of sperm, more background material and more intact sperm than smears made at a later date by laboratory scientific staff.The authors describe an extremely rare case of homicide by injecting tetrodotoxin (TTX) as lethal neurotoxin found in puffer fish. After a thorough investigation, the male victim was found to have a broken stalk from syringe needle in the subcutaneous tissue of left buttock and severe asphyxia confirmed by the main pathological findings at autopsy. During tortuous toxicological analysis,TTX was revealed by ultra high performance liquid chromatography tandem mass spectrometry (UPLC-MS/MS) as well as acute intoxication confirmed from forensic examination. The literature of qualitative and quantitative determination of TTX from human fluids was also reviewed to expect widely acceptable detection strategies. This case highlighted the importance of TTX toxicant with chemical formula name purchased through e-commerce,so as to improve particular emphasis and supervision on harmful substances possibly using hidden information or illegal means. Histopathological and toxicological results demonstrated here provided a reference and other useful information to the challenges of forensic casework. In general, the case report illustrates medico-legal issues of more attention to the possibility of TTX poisoning in rapid death and the need of routine postmortem tox screening in future practice.
Coronavirus disease 2019 (COVID-19) pandemic caused by SARS-CoV-2 was first identified in Wuhan, China. All ages are susceptible to SARS-CoV-2 infection. Few studies had reported milder course in children however, severe course of illness has been reported. We aimed to describe the clinical features of COVID-19 in pediatric patients including diagnostic findings and therapeutic interventions in sever disease manifestation.
We retrospectively reviewed 742 patients with SARS-CoV-2 proven infection at King Abdullah Specialist Children's Hospital, from April 2020 and July 2020. Inpatients, outpatient, including those with sever manifestation treated at the Intensive Care Unit (ICU) were included. We collected data including demographic data, comorbidities, symptoms, imaging data, laboratory findings, treatments and clinical outcomes of patients with COVID-19.
Among of 742 patients, 71 (9.6%) were hospitalized. The median age of patients was 75 months old and 53.6 were male. A total of 461 (62.1%) had close presentation of SARS-CoV-2 infection and of a major concern as an overlapping features with other diseases could happen, making the diagnosis challenging.
In this study, children infected with SARS-CoV-2 are less likely to develop symptomatic or serious diseases. Among symptomatic children, the most common clinical features were fever and respiratory symptoms followed by gastrointestinal manifestations. The majority of infected children have reported contact with an infected individual. MIS-C associated with COVID-19 is a severe presentation of SARS-CoV-2 infection and of a major concern as an overlapping features with other diseases could happen, making the diagnosis challenging.Lowe Syndrome (LS) is a rare X-linked multisystemic disorder syndrome, which can be caused by the gene mutations of OCRL. In present study, the urine cells (UCs) derived from a 12-year-old male LS patient with the hemizygote OCRL gene mutation p.M876N (c.2626dupA) were reprogrammed into induced pluripotent stem cells (iPSCs) named WMUi031-A through the commercial Sendai virus reprogramming kit. The pluripotent markers OCT4 and SOX2 can be expressed positively in WMUi031-A, which can be differentiated into three germ layers in vitro as well as maintain a stable karyotype (46, XY).Rare earth elements (REEs) are gaining growing attention in environmental and ecotoxicological studies due to their economic relevance, wide range of applications and increasing environmental concentrations. Among REEs, special consideration should be given to Gadolinium (Gd), whose wide exploitation as a magnetic resonance imaging (MRI) contrast agent is enhancing the risk of its occurrence in aquatic environments and impacts on aquatic organisms. A promising approach for water decontamination from REEs is sorption, namely through the use of macroalgae and in particular Ulva lactuca that already proved to be an efficient biosorbent for several chemical elements. Therefore, the present study aimed to evaluate the toxicity of Gd, comparing the biochemical effects induced by this element in the presence or absence of algae. Using the bivalve species Mytilus galloprovincialis, Gd toxicity was evaluated by assessing changes on mussels' metabolic capacity and oxidative status. Results clearly showed the toxicity of Gd but further revealed the capacity of U. lactuca to prevent injuries to M. https://www.selleckchem.com/products/epz-6438.html galloprovincialis, mainly reducing the levels of Gd in water and thus the bioaccumulation and toxicity of this element by the mussels. The results will advance the state of the art not only regarding the effects of REEs but also with regard to the role of algae in accumulation of metals and protection of aquatic organisms, generating new insights on water safety towards aquatic wildlife and highlighting the possibility for resources recovery.The present manuscript elucidated the ameliorative potential of nano-maghemite (FeNPs) against the hazardous effects of fluoride toxicity in the sensitive rice cultivar, IR-64. Fluoride pollution triggered bioaccumulation in root, shoot and spikelets which inhibited reproduction, agronomic development and mineral uptake. Suppressed activity of enzymatic antioxidants and excessive cobalt translocation manifested severe ROS-induced oxidative injuries. Seedling priming with FeNPs reduced fluoride bioaccumulation and promoted efficient uptake of macroelements and micronutrients like potassium, calcium, iron, zinc, copper, nickel, manganese, selenium and vanadium and reduced the translocation of cobalt in mature seedlings during stress. This altogether triggered growth and activated the enzymes like SOD, CAT, APX and GPOX. High accumulation of non-enzymatic antioxidants like proline, anthocyanins, flavonoids, phenolics along with stimulated GSH synthesis (determined from high GR, GST and GPX activity) and glyoxalase activity enabled FeNP-pulsed plants to efficiently scavenge ROS, O2-, H2O2 and methylglyoxal, and mitigate oxidative injuries.
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