Animal venoms have aroused great interest during the past decades. During recent years, especially substances from marine animals have been investigated, not only in regard to their chemical structures but also to their biological relevance. Neurotoxic peptides from scorpions opened new aspects of action mechanisms on cell membranes; from snake venoms also ingredients have been obtained which serve as valuable pharmaceutical drugs.
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Therapeutic Potential of Venom: A Scoping Review of Its Bioactive Molecules, Biological Aspects, and Health Applications.
Biomolecules
November 2024
Department of Clinical and Experimental Medicine, University of Foggia, Via Rovelli 50, 71122 Foggia, Italy.
a South American ant species from the Formicidae family (subfamily Myrmicinae), has recently established a stable settlement in Europe, raising public health concerns due to its venomous stings. The venom of is rich in bioactive molecules, particularly piperidine alkaloids such as solenopsin A and peptides (Sol 1-4). These compounds have been implicated in various health applications, including antimicrobial, anti-inflammatory, and antitumour activities.
View Article and Find Full Text PDFTime-Course physiopathology of Envenomation in Swiss Webster Mice: Insights into Systemic Manifestations.
Sci Prog
January 2025
Grupo de Nutrición, Facultad de Salud, Universidad del Valle, Cali, Colombia.
Objective: The expansion of human activities in northern Colombia has increased human-snake encounters, particularly with venomous . Given the limited knowledge of systemic envenomation effects and previous studies focusing only on early murine symptoms, this investigation aimed to describe the time-course physiopathology of envenomation following intramuscular injection .
Methods: Venom was inoculated in the gastrocnemius muscles of Swiss Webster mice, and blood, urine, and tissue samples were taken at different times to evaluate lethality and biochemical markers of renal function and oxidative stress.
Snake envenomation in Florida: a 20-year analysis of epidemiology and clinical outcomes at a tertiary medical centre.
Trans R Soc Trop Med Hyg
January 2025
University of Florida College of Medicine, Gainesville, 32610 USA.
Background: Venomous snakes are among the most lethal animals worldwide and envenomation survivors face lifelong morbidities. Envenomation is colloquially considered highly prevalent in the US state of Florida, yet envenomation trends here are currently unassessed.
Methods: We present a comprehensive analysis of causes, characteristics and treatments of Florida's snake envenomations via medical records review of envenomated patients presenting to a major academic medical centre between 2002 and 2022.
Genomic signatures of adaptation in native lizards exposed to human-introduced fire ants.
Nat Commun
January 2025
Department of Biology, The Pennsylvania State University, University Park, PA, USA.
Understanding the process of genetic adaptation in response to human-mediated ecological change will help elucidate the eco-evolutionary impacts of human activity. In the 1930s red imported fire ants (Solenopsis invicta) were accidently introduced to the Southeastern USA, where today they are both venomous predators and toxic prey to native eastern fence lizards (Sceloporus undulatus). Here, we investigate potential lizard adaptation to invasive fire ants by generating whole-genome sequences from 420 lizards across three populations: one with long exposure to fire ants, and two unexposed populations.
View Article and Find Full Text PDFPrenatal toxicity of L-mimosine in Wistar rats.
Toxicon
December 2024
Department of Pathology, School of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo, S.P., Brazil; Institute of Environmental, Chemical and Pharmaceutical Sciences, Federal University of São Paulo (ICAQF-UNIFESP), Diadema, S.P., Brazil. Electronic address:
L-Mimosine is the main active component of the plant Leucaena leucocephala. Due to its metal-chelating mechanism, it interacts with various metabolic pathways in living organisms, making it a potential pharmacological target, although it also leads to toxicity. The present study aimed to investigate the transplacental passage of L-mimosine and its effects on embryofetal development.
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