Urban fauna is defined as animal species that can live in urban environments. Several species, including the western-European hedgehog (Erinaceus europaeus), have now been identified as part of this urban fauna, becoming permanent residents of parks and gardens in different cities across Europe. Due to the importance that this phenomenon represents for zoonotic disease surveillance, several authors have been conducting zoonotic agents’ surveys on hedgehog. The aim of this study is to compare zoonotic diseases’ prevalence in hedgehogs in urban environments with those from more rural areas. A systematic review with meta-analysis of twelve studied of zoonotic diseases’ (in urban and rural areas of Europe) was therefore conducted for this purpose. Fifteen different zoonoses have been assessed in urban environments and six in rural areas. Anaplasma phagocytophilum was the most prevalent zoonotic agent found in urban habitats (96%). Dermatophytosis shows statistically significant differences between locations (p-value < 0.001), with a higher prevalence in urban Poland (55%; n = 182). Our results suggest further research and a standardized monitoring of different hedgehog populations are essential to understanding the epidemiology of several zoonotic pathogens in different habitat types (urban, rural, natural, industrial, etc.) and preventing possible disease outbreaks.
Brain‐derived neurotrophic factor (BDNF) is considered as a putative therapeutic agent against stroke. Since BDNF role on oxidative stress is uncertain, we have studied this role in a rat brain slice ischemia model, which allows BDNF reaching the neural parenchyma. Hippocampal and cerebral cortex slices were subjected to oxygen and glucose deprivation (OGD) and then returned to normoxic conditions (reperfusion‐like, RL). OGD/RL increased a number of parameters mirroring oxidative stress in the hippocampus that were reduced by the BDNF presence. BDNF also reduced the OGD/RL‐increased activity in a number of antioxidant enzymes in the hippocampus but no effects were observed in the cerebral cortex. In general, we conclude that alleviation of oxidative stress by BDNF in OGD/RL‐exposed slices relies on decreasing cPLA2 activity, rather than modifying antioxidant enzyme activities. Moreover, a role for the oxidative stress in the differential ischemic vulnerability of cerebral cortex and hippocampus is also supported.
Wildlife forensics is a science field with a remarkable potential to provide accurate information regarding nature conservation and One Health. Wildlife crimes are now a persistent target of public opinion and the concern of conservation professionals, which is constantly putting pressure on governmental and non-governmental entities. Moreover, the cross-species transmission of pathogens is becoming more and more frequent, endangering the interconnected health of humans, animals and the environment (One Health). This review intends to briefly present and illustrate the potential of wildlife forensic sciences not only in crime solving, but also regarding health sciences and species conservation. By allowing target species identification, recreating the crime scene, and considering their contribution to diseases and ecosystems’ surveillance, wildlife forensics are now constantly developing and improving. A cooperative and multidisciplinary approach (with the inclusion of forensic sciences) is necessary to avoid wildlife crimes, disease outbreaks, environmental disasters and to promote a sustainable and healthy future for all the living beings.
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