Isolation and Structural Identification of New Diol Esters of Okadaic Acid and Dinophysistoxin-1 from the Cultured .

, a dinoflagellate responsible for producing diarrhetic shellfish poisoning (DSP) toxins, poses significant threats to marine ecosystems, aquaculture industries, and human health. DSP toxins, including okadaic acid (OA), dinophysis toxin (DTX), and their diverse derivatives, continue to be identified and characterized. In this study, we report the isolation of four new diol esters of OA/DTX-1 from large-scale cultures of .

Neurotoxicological Effects of Some Mycotoxins on Humans Health and Methods of Neuroprotection.

Food contamination with mycotoxin-producing fungi increases the risk of many diseases, including neurological diseases closely related to the neurotoxicity of these toxins. Based on the latest literature data, we presented the association of common mycotoxins with neurological diseases. Articles from 2001 to 2024 were analyzed.

Physical and Sensory Long-Term Disabilities from Snakebite Envenomings in Manaus, Western Brazilian Amazon.

Snakebites caused by snakes are the most prevalent in the Amazon region, causing local and systemic complications. Local complications are mostly represented by necrosis, secondary bacterial infection and compartment syndrome. There are reports of long-term disabilities, but their burden is poorly investigated.

Exposure to Subclinical Doses of Fumonisins, Deoxynivalenol, and Zearalenone Affects Immune Response, Amino Acid Digestibility, and Intestinal Morphology in Broiler Chickens.

Fusarium mycotoxins often co-occur in broiler feed, and their presence negatively impacts health even at subclinical concentrations, so there is a need to identify the concentrations of these toxins that do not adversely affect chickens health and performance. The study was conducted to evaluate the least toxic effects of combined mycotoxins fumonisins (FUM), deoxynivalenol (DON), and zearalenone (ZEA) on the production performance, immune response, intestinal morphology, and nutrient digestibility of broiler chickens. A total of 960 one-day-old broilers were distributed into eight dietary treatments: T1 (Control); T2: 33.

Clinical Characteristics of Snakebite Envenomings in Taiwan.

Snakebite envenomings continue to represent a major public health concern in Taiwan because of the presence of various venomous snakes whose habitats intersect with human activities. This review provides a comprehensive analysis of the clinical characteristics, complications, and management strategies associated with snakebite envenomings in Taiwan. Taiwan is inhabited by six principal venomous snakes: , , , , , and , each presenting distinct clinical challenges.

Effect of In Vitro Ruminal pH on Zearalenone Degradation and Interaction with Other Mycotoxins in a Static Gastrointestinal Model.

The degradation of zearalenone (ZEN) in the rumen of dairy cows is influenced by rumen pH, which is a key factor affecting this process. The aim of this study was to investigate the variation of ZEN in interaction with other mycotoxins at different ruminal pH environments (physiological (pH 6.5) and acidic (pH 5.

Snake Venom Pharmacokinetics and Acute Toxic Outcomes Following Envenoming: Experimental and Clinical Correlations.

An understanding of snake venom pharmacokinetics is essential for determining clinical outcomes of envenoming and developing therapeutic approaches to the treatment of envenoming, especially regarding the timing and optimal dosage of antivenom administration. (Eastern Russell's viper) envenoming causes systemic coagulopathy and severe hemorrhage including acute kidney injury. These toxic outcomes can be diminished by the administration of high quantities of Russell's viper antivenom.

Host-Induced Gene Silencing of the -Methyl Transferase Gene Enhanced Maize Aflatoxin Resistance.

Maize is one of the major crops that are susceptible to infection and subsequent aflatoxin contamination, which poses a serious health threat to humans and domestic animals. Here, an RNA interference (RNAi) approach called Host-Induced Gene Silencing (HIGS) was employed to suppress the -methyl transferase gene (, also called ), a key gene involved in aflatoxin biosynthesis. An RNAi vector carrying part of the gene was introduced into the B104 maize line.

Diversity of Mycotoxins in Stored Paddy Rice: Contamination Patterns in the Mekong Delta, Vietnam.

Rice ( L.) is the most important food in Vietnam. However, rice is often lost in post-harvest due to fungal growth and mycotoxins contamination.

Viscoelastic Study of Hemostasis Disorders Associated with Envenoming in North Benin Using a Quantra Analyzer.

envenomings are a public health problem in West Africa, leading to bleeding and hypocoagulability. The aim of this study was to assess the hemostasis disorders associated with envenoming. Envenomed patients with an abnormal whole blood clotting test (WBCT) were prospectively included at Tanguiéta, Benin.

The Global Secondary Metabolite Regulator Modulates Virulence, Ochratoxin Biosynthesis, and the Mode of Action of Biopesticides and Essential Oils.

is considered one of the main fungi responsible for black and sour rot in grapes, as well as the production of the carcinogenic mycotoxin ochratoxin A. The global regulatory methyltransferase protein controls the production of various secondary metabolites in species, as well as influences sexual and asexual reproduction and morphology. The goal of this study was to investigate the role of the regulatory gene in physiology, virulence, and ochratoxin A (OTA) production by deleting this gene from the genome of a wild-type strain.

Early Biomarkers for Detecting Subclinical Exposure to Fumonisin B1, Deoxynivalenol, and Zearalenone in Broiler Chickens.

Identifying biomarkers of mycotoxin effects in chickens will provide an opportunity for early intervention to reduce the impact of mycotoxicosis. This study aimed to identify whether serum enzyme concentrations, gut integrity, and liver miRNAs can be potential biomarkers for fumonisin B1 (FB1), deoxynivalenol (DON), and zearalenone (ZEA) toxicity in broiler birds as early as 14 days after exposure. A total of 720 male broiler chicks were distributed to six treatment groups: T1: control group (basal diet), T2 (2 FB1 + 2.

Real-World Characterization of Toxicities and Medication Management in Recipients of CAR T-Cell Therapy for Relapsed or Refractory Large B-Cell Lymphoma in Nova Scotia, Canada.

Nova Scotia (NS) began offering CAR T-cell therapy as a third-line standard of care for eligible patients with relapsed or refractory large B-cell lymphoma (r/r LBCL) in 2022. Recipients of CAR T-cell therapy often experience acute toxicities, including cytokine release syndrome (CRS) and immune effector cell-associated neurotoxicity syndrome (ICANS), which require close monitoring and prompt management. This retrospective review aimed to describe the characteristics of adult patients with r/r LBCL deemed eligible to receive CAR T-cell therapy with axicabtagene ciloleucel in NS between January 2022 and June 2024, the toxicities experienced and toxicity management, hospital visits and intensive care unit (ICU) admissions, the utilization of toxicity management guidelines, and general efficacy outcomes.

Case report: Accidental aconitine poisoning caused by the inappropriate use of a type of Chinese patent medicine.

Background: Compound schizonepeta fumigation lotion is a type of Chinese patent medicine for external use. It has the effect of dispelling wind, eliminating dampness, reducing swelling, and relieving pain. Clinically, it is used for anal fumigation and treatment of external hemorrhoids, anal fissures, and other diseases.

Raman signatures of type A and B influenza viruses: molecular origin of the "" inactivation mechanism mediated by micrometric silicon nitride powder.

A multiomic study of the structural characteristics of type A and B influenza viruses by means of highly spectrally resolved Raman spectroscopy is presented. Three virus strains, A H1N1, A H3N2, and B98, were selected because of their known structural variety and because they have co-circulated with variable relative prevalence within the human population since the re-emergence of the H1N1 subtype in 1977. Raman signatures of protein side chains tyrosine, tryptophan, and histidine revealed unequivocal and consistent differences for pH characteristics at the virion surface, while different conformations of two C-S bond configurations in and methionine rotamers provided distinct low-wavenumber fingerprints for different virus lineages/subtypes.

Mace Poisoning: Accidental Toxic Ingestion in a Child Leading to a Reversible Coma.

Nutmeg and mace are commonly known for their medicinal and culinary properties. The chemical compounds found in nutmeg and mace, notably myristicin, elemicin, and safrole, have been implicated in the psychoactive and anticholinergic effects that are the result of acute toxicity. Cases of mace toxicity are not as commonly reported as nutmeg toxicity.

Global Epidemiology and health risks of Bacillus cereus Infections: Special focus on infant foods.

Bacillus cereus is a common pathogen responsible for gastrointestinal and other complicated disorders, yet epidemiological data and public health measures remain scarce. To bridge these gaps, a bilingual search spaning 50 years identified 266 relevant studies on global B. cereus infection, encompassing 6,135 cases.

Targeting murine metastatic cancers with cholera toxin A1-adjuvanted peptide vaccines.

The dissemination of tumor cells with ensuing metastasis is responsible for most cancer-related deaths. Cancer vaccines may, by inducing tumor-specific effector T cells, offer a strategy to eliminate metastasizing tumor cells. However, several obstacles remain in the development of effective cancer vaccines, including the identification of adjuvants that enhance the evolvement and efficacy of tumor-specific T cells.

Should digoxin immune fab be administered based solely on reported ingested amount in acute digoxin poisoning?

Acute digoxin poisoning is increasingly uncommon in emergency medicine. Furthermore, controversy exists regarding indications for antidotal digoxin immune fab in acute poisoning. In healthy adults, the fab prescribing information recommends administration based on "known consumption of fatal doses of digoxin: ≥10mg," while many emergency medicine textbooks suggest fab administration be driven by clinical features or potassium concentration.

Toluene Toxicity in the Brain: From Cellular Targets to Molecular Mechanisms.

Toluene intoxication constitutes a persistent public health problem worldwide. While most organs can be damaged, the brain is a primary target whether exposure is accidental, occupational, or recreational. Interventions to prevent/revert brain damage by toluene are curtailed by the scarce information on the molecular targets and mechanisms mediating toluene's brain toxicity and the common exposure to other neurotoxins and/or coexistence of neurological/psychiatric disorders.

Identification of distinct pesticide poisoning patterns in Brazil: a cross-sectional cluster analysis of epidemiological data.

Purpose: This study aimed to identify distinct patterns of pesticide poisoning in Brazil through the cluster analysis of epidemiological data from 2011 to 2019.

Methods: A cross-sectional analysis of 49,233 confirmed pesticide poisoning cases was conducted using multiple correspondence analysis and hierarchical clustering. Data from the Brazilian Notifiable Diseases Information System were analyzed by region, demographics, and exposure types.

The effect of physical cues on platelet storage lesion.

Background: Platelet concentrates play an important role in clinical treatment such as platelet function disorders and thrombocytopenia. In the process of preparation and storage of platelets, centrifugation, leukofiltration, and agitation will cause morphological changes and impaired function of platelets, which is associated with the increase of platelet transfusion refractoriness, and named as platelet storage lesion (PSL).

Method: This paper proposes three major operations (centrifugation, agitation, and leukofiltration) that platelets experience during the preparation and storage process, to explore the effect of physical cues on PSL.

Chlorfenapyr-related delayed rhabdomyolysis: a case series.

Introduction: Chlorfenapyr, a broad-spectrum insecticide and acaricide of the pyrrole-class pesticides, can induce dizziness, fatigue, profuse sweating, and altered consciousness by interfering with cell energy metabolism. However, chlorfenapyr-related rhabdomyolysis has rarely been reported.

Case Presentations: Patient 1 was a healthy 26-year-old man who ingested approximately 30 mL of chlorfenapyr.