Sloughed whale skin contains enough DNA for genetic analysis, and offers a non-intrusive method for collecting tissue. Here, we examine the efficiency of sloughed skin sampling using 1460 samples collected from free-ranging humpback whales. Samples were sexed and screened for up to 10 microsatellite markers. The vast majority of samples appear genetically compatible with field observations. About 1% of groups revealed more genotypes than whales, but we argue that this is more likely to be due to unobserved whales than to contamination. Sloughed skin sampling is particularly effective when applied to active groups and offers a viable alternative to biopsy darting in regions where darting is either not permitted or otherwise undesirable.
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http://dx.doi.org/10.1046/j.1365-294x.1998.00446.x | DOI Listing |
Parasite Epidemiol Control
February 2025
Veterinary Medicine and Animal Production Department, Naples University, 8 Via Mezzocannone, 80138 Naples, Italy.
The beech marten () is a small-size mustelid endangered according to the IUCN Red List. Despite the plethora of parasites potentially affecting its population decline, subcutaneous filarioids are occasionally reported in martens and their competent arthropod vectors are to date unknown. Therefore, from January 2023 to August 2024, this study investigated the presence of subcutaneous filarioids and ectoparasites of road-killed beech martens ( = 7) from southwestern Italy.
View Article and Find Full Text PDFBr J Dermatol
January 2025
Department of Dermatology, Yale University, New Haven, Connecticut, USA.
Background: Overexpression of interleukin (IL)-17A and IL-17F significantly influences psoriasis pathology. Until recently, biologics targeting IL-17A alone, like secukinumab, were used to treat psoriasis. Bimekizumab is a monoclonal IgG1 antibody that targets both IL-17A and IL-17F.
View Article and Find Full Text PDFArthritis Rheumatol
January 2025
Division of Medicine, Department of Inflammation and Rare Diseases, UCL Centre for Rheumatology, University College London, London, NW3 2PF, UK.
Objective: Scleroderma is a life-threatening autoimmune disease characterized by inflammation, tissue remodelling, and fibrosis. This study aimed to investigate the expression and function of transglutaminase 2 (TGM2) in scleroderma skin and experimentally-induced dermal fibrosis to determine its potential role and therapeutic implications.
Methods: We performed immunohistochemistry on skin sections to assess TGM2 expression and localisation, and protein biochemistry of both SSc-derived and healthy control dermal fibroblasts to assess TGM2 expression, function and ECM deposition in the presence of a TGM2 and TGFβ neutralizing antibodies and a small molecule inhibitor of the TGFβRI kinase.
Endocrinol Diabetes Metab Case Rep
January 2025
Summary: Palmoplantar keratoderma (PPK), characterised by excessive epidermal thickening of the skin on the palms and/or plantar surfaces of the feet, can be hereditary or acquired. Here, we report a case of a 53-year-old woman with a history of sub-optimally controlled diabetes mellitus presenting with fevers and decreased Glasgow Coma Scale (GCS) to a tertiary hospital. She was diagnosed with diabetic ketoacidosis (DKA), with blood glucose at 40 mmol/L and ketones at 7 mmol/L, in the setting of a methicillin-sensitive Staphylococcus aureus necrotising soft tissue back infection.
View Article and Find Full Text PDFAesthetic Plast Surg
December 2024
Private Practice, Kültür Mah., Plevne Bulvarı, Ocakoğlu Apt, No: 3, D: 6, 35220, Alsancak, İzmir, Turkey.
Background: Human ear growth continues beyond puberty, resulting in ears that are typically approximately 10 millimeters (mm) larger in older individuals compared to their younger counterparts. Not only is the overall growth of the ear an indicator of age, but also the disproportionate growth of its parts. The largest part, the concha, shows the slowest growth rate, while the smallest part, the earlobe, shows the greatest growth rate.
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