The common opossum, Didelphis marsupialis, is a neotropical and synanthropic marsupial common and widespread in Latin America. The strong human-opossum conflict that results in high numbers of individuals with health problems demands information on physiological parameters to be used in veterinary medicine practice. The aim of this study was to estimate the reference intervals (RI) of hematology and serum biochemistry for this species which are lacking and evaluate its variability. Out of the 61 apparently healthy wild opossums evaluated, we found significant variability in the RI´s associated sex, life stage, habitat, and the reproductive stage of females. Males had higher values of RBC and hemoglobin than females, but females had higher values of MCH than males. Juveniles had higher values of MCV and MCH, but adults had higher values RBC, WBC and neutrophils. In addition, rural opossums had higher values of hemoglobin, MCHC, MCH and platelets, but urban opossums had higher values of WBC, particularly neutrophils and lymphocytes. Opossums are exposed to many different stressors in urban settings, and further research is needed to understand these physiological responses to urbanization. Finally, lactating females had higher values of monocytes and basophils compared to non-lactating females, potentially providing passive immunity through the milk to the immature neonates in the marsupium.
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http://dx.doi.org/10.1007/s11259-025-10684-1 | DOI Listing |
The fusion kinetics of block copolymer micelles in dilute solutions have been investigated. As a model system, 1,2-polybutadiene--poly(ethylene oxide) micelles in the ionic liquid 1-butyl-3-methylimidazolium tetrafluoroborate have been studied. The ionic liquid is a selective solvent for poly(ethylene oxide), promoting the self-assembly of the block copolymer into spherical micelles.
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Department of Plastic and Reconstructive Surgery, Chang Gung Memorial Hospital, Linkou Medical Center, Taoyuan, Taiwan.
Objective: Persistent postoperative sensory loss significantly limits breast reconstruction following mastectomy. In addition, the absence of sensation profoundly impacts patients' physical well-being and overall quality of life. New surgical techniques involving nerve autograft intercostal nerve elongation have been introduced to neurotize reconstructed breasts.
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Department of Animal Science at North Carolina State University, 123 Polk Hall, Campus Box 7621, Raleigh, NC 27695 USA.
The Window on Animal Health at the North Carolina Museum of Natural Sciences hosts the VetPAC Museum Medicine Internship, an undergraduate student internship program founded in collaboration with the Veterinary Professions Advising Center at North Carolina State University. It is designed to train pre-veterinary track students for wildlife and exotic animal husbandry and medicine in a unique museum clinical facility surrounded by large windows and a two-way audio system to facilitate public interaction during veterinary casework. The development of veterinary skills for interns is achieved via four competency-based stages: stage 1, veterinary assisting; stage 2, veterinary diagnostics; stage 3, medical case management and presentation; and stage 4, biosecurity and animal welfare.
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Department of Clinical Science, K.G. Jebsen Center for Genome-Directed Cancer Therapy, University of Bergen, Bergen, Norway.
Germline pathogenic variants in CDKN2A are well established as an underlying cause of familial malignant melanoma. While pathogenic variants in other genes have also been linked to melanoma, most familial cases remain unexplained. We assessed pathogenic germline variants in 360 cancer-related genes in 56 Norwegian melanoma-prone families.
View Article and Find Full Text PDFAnn Bot
March 2025
Institute of Plant Sciences, Agricultural Research Organization, Rishon LeZion 7505101, Israel.
Background And Aims: Morphological differences between the two genetically close wild radishes, Raphanus raphanistrum and R. pugioniformis, include differences in fruit structure that influence their dispersal ability and within population spatial structure. Here, we tested within- and among-populations genetic variation, hypothesizing that (i) short-distance dispersal of heavy fruits in R.
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