Insulin activates parasympathetic hepatic-related neurons of the paraventricular nucleus of the hypothalamus through mTOR signaling.

Integration of autonomic and metabolic regulation, including hepatic function, is a critical role played by the brain's hypothalamic region. Specifically, the paraventricular nucleus of the hypothalamus (PVN) regulates autonomic functions related to metabolism, such as hepatic glucose production. Although insulin can act directly on hepatic tissue to inhibit hepatic glucose production, recent evidence implicates central actions of insulin within PVN also regulates glucose metabolism.

Intrinsic and environmental drivers of pairwise cohesion in wild Canis social groups.

Animals within social groups respond to costs and benefits of sociality by adjusting the proportion of time they spend in close proximity to other individuals in the group (cohesion). Variation in cohesion between individuals, in turn, shapes important group-level processes such as subgroup formation and fission-fusion dynamics. Although critical to animal sociality, a comprehensive understanding of the factors influencing cohesion remains a gap in our knowledge of cooperative behavior in animals.

ACT I early feasibility study of the Voyager Ark vascular access device.

Objective: We report the 6-month outcomes of the Ark Cannulation Trial (ACT) I early feasibility study. This investigation examined the Ark as a potential innovative access tool for overcoming cannulation-related challenges and improving arteriovenous fistula (AVF) dependent hemodialysis through targeted cannulation.

Methods: During this first-in-human, interventional, prospective, single arm, single site investigation, 13 patients were treated.

The economic impact of purulent vaginal discharge in dairy herds within a single lactation.

The goal of this study was to calculate the cost of purulent vaginal discharge (PVD) in dairy cows. The data set included 11,051 cows from 16 dairy herds located in 4 regions of the US. Purulent vaginal discharge was characterized as a mucopurulent, purulent, or reddish-brownish vaginal discharge collected at 28 ± 7 d in milk.

Predicting blood loss volume in a canine model of hemorrhagic shock using arterial waveform machine learning analysis.

Objective: To determine if the compensatory reserve algorithm validated in humans can be applied to canines. Our secondary objective was to determine if a simpler waveform analysis could predict the percentage of blood loss volume.

Methods: 6 purpose-bred, anesthetized dogs underwent 5 rounds of controlled hemorrhage and resuscitation while continuously recording invasive arterial blood pressure waveforms in this prospective, experimental study.

A One Health Investigation into H5N1 Avian Influenza Virus Epizootics on Two Dairy Farms.

Background: In early April 2024 we studied two Texas dairy farms which had suffered incursions of H5N1 highly pathogenic avian influenza virus (HPAIV) the previous month.

Methods: We employed molecular assays, cell and egg culture, Sanger and next generation sequencing to isolate and characterize viruses from multiple farm specimens (cow nasal swab, milk specimens, fecal slurry, and a dead bird).

Results: We detected H5N1 HPAIV in 64% (9/14) of milk specimens, 2.

ELISA based seroprevalence and risk factors for three zoonotic parasites (Toxoplasma gondii, Echinococcus granulosus and Trichinella spiralis) in humans in Khyber Pakhtunkhwa, Pakistan.

Zoonotic parasitic infections can affect both animal and human health, while also having food safety and economic implications. These pathogens can also pose occupational risks for certain groups, including veterinary professionals, animal handlers, and butchers. This study was conducted in the district of Swabi located in the Khyber Pakhtunkhwa Province of northwestern Pakistan.

A multi-stage feature selection method to improve classification of potential super-agers and cognitive decliners using structural brain MRI data-a UK biobank study.

Cognitive aging is described as the age-related decline in areas such as memory, executive function, reasoning, and processing speed. Super-Agers, adults over 80 years old, have cognitive function performance comparable to middle-aged adults. To improve cognitive reserve and potentially decrease Alzheimer's disease (AD) risk, it is essential to contrast changes in regional brain volumes between "Positive-Agers" who have superior cognitive performance compared to their age peers but are not 80 years old yet and aging adults who show cognitive decline (i.

Novel Curvularia species causing disseminated phaeohyphomycosis in a dog.

Phaeohyphomycosis is an uncommon disease caused by dematiaceous fungi that is almost exclusively found in immunocompromised dogs. Here we describe the case of a dog treated with prednisone (1.1 mg/kg/day) and cyclosporine (11.

Mapping Disciplinary Competencies and Learning Outcomes to the Competency-Based Veterinary Education Framework Using Veterinary Pharmacology as an Example.

The competency-based veterinary education (CBVE) framework describes essential domains of competence and related abilities for veterinary graduates. Translating these outcomes into daily teaching is a challenge, particularly regarding the underpinning basic and clinical science knowledge. In this article, we identified a lack of specific reference to the selection and use of drugs within the CBVE framework; this requires pharmacological knowledge and pharmacology-specific competencies.

Suboccipital Cisterna Magna Injection for Vehicle Delivery in Pigs Using Computed Tomography.

Gene therapies are being developed for several central nervous system (CNS) disorders. These therapies are primarily administered to the CNS via the cerebrospinal fluid (CSF), as the blood-brain barrier prevents the transport of large molecules to the brain. Currently, intrathecal injection is the most commonly used route of administration over cisterna magna injections in the clinic for gaining access to the CSF.

Serum amikacin concentrations in dogs with naturally occurring open wounds treated with topical amikacin in carboxymethylcellulose hydrogel.

Objective: To quantify serum amikacin concentrations in dogs undergoing wound management with topical amikacin (45 mg/mL) 3% carboxymethylcellulose hydrogel.

Study Design: Prospective clinical study.

Sample Population: Eleven client-owned dogs.

High-fidelity and iterative affinity extraction of hyaluronan.

The glycosaminoglycan hyaluronan (HA) serves a variety of crucial physiological functions in vertebrates. Synthesized at the plasma membrane and secreted into the extracellular environment, HA polymers span a wide range of molecular weights (MW) that define their activity through a notable size-function relationship. Analytical technologies for determining HA MW distributions typically require selective extraction from complex biofluids or tissues.

Perioperative analgesic management using bilateral ultrasound-guided lateral quadratus lumborum block in a dog with extrahepatic biliary obstruction.

Extrahepatic bile-duct obstruction is commonly caused by pancreatitis in canines. Surgical decompression of the biliary tree is required when medical management is unsuccessful. The clinical presentation often includes severe vomiting and abdominal pain requiring targeted analgesic and anesthetic protocols.

Retrospective evaluation of the influence of phenoxybenzamine pretreatment on intraoperative cardiovascular variables in dogs with pheochromocytoma.

Objective: To compare cardiovascular outcomes in dogs undergoing adrenalectomy for pheochromocytoma with and without phenoxybenzamine pretreatment.

Animals: A total of 65 medical records from dogs at 5 veterinary hospitals.

Procedure: Records from January 2004 to December 2021 were evaluated for systolic, mean, and diastolic arterial pressures; numbers of hypertensive and hypotensive episodes; highest and lowest systolic arterial pressure differences; dose and duration of phenoxybenzamine; and presence of intraoperative arrhythmias.

Onset and Progression of Disease in Nonhuman Primates With PDE6C Cone Disorder.

Purpose: The California National Primate Research Center contains a colony of rhesus macaques with a homozygous missense mutation in PDE6C (R565Q) which causes a cone disorder similar to PDE6C achromatopsia in humans. The purposes of this study are to characterize the phenotype in PDE6C macaques in detail to determine the onset of the cone phenotype, the degree to which the phenotype progresses, if heterozygote animals have an intermediate phenotype, and if rod photoreceptor function declines over time.

Methods: We analyzed spectral-domain optical coherence tomography (SD-OCT), fundus autofluorescence (FAF), and electroretinography (ERG) data from 102 eyes of 51 macaques (aged 0.

Timing of standard chow exposure determines the variability of mouse phenotypic outcomes and gut microbiota profile.

Standard chow diets influence reproducibility in animal model experiments because chows have different nutrient compositions, which can independently influence phenotypes. However, there is little evidence of the role of timing in the extent of variability caused by chow exposure. Here we measured the impact of different diets (5V5M, 5V0G, 2920X and 5058) and timing of exposure (adult exposure (AE), lifetime exposure (LE) and developmental exposure (DE)) on growth and development, metabolic health indicators and gut bacterial microbiota profiles across genetically identical C57BL/6J mice.

A new species of Myxobolus (Cnidaria: Myxosporea: Myxobolidae) from the gills of the green sunfish, Lepomis cyanellus (Perciformes: Centrarchidae), from the Ouachita River Drainage of Western Arkansas.

Forty-two species of myxozoans, including 31 species of Myxobolus Bütschli, 1882, have been described from centrarchid fishes. One species, the green sunfish (Lepomis cyanellus), has been reported to host at least three species of Myxobolus. Between March 2023 and June 2024, 42 L.

Modified Vaccinia Virus Ankara Titration Using Crystal Violet- or Immuno-Staining in DF-1 Cells.

Modified Vaccinia virus Ankara (MVA) is a promising vaccine vector with an outstanding safety profile. The gold standard method to titrate MVA is to immune stain plaques formed in MVA-infected monolayer of primary chicken embryo fibroblasts. Recently, DF-1, an immortal chicken embryo fibroblast line, has also been used.

Sample Preparation for Global Metabolic Profiling of Vaccinia Virus-Infected Primary Human Foreskin Fibroblasts.

Vaccinia virus (VACV), the prototype member of the Poxviridae family, has played a crucial role in medicine as a key component in the development of smallpox vaccines, contributing to the eradication of this deadly disease. Beyond its historical significance, VACV continues to be pivotal in researching metabolic alterations induced by viral infections. Studies have revealed that VACV can impact pathways such as glycolysis, the tricarboxylic acid (TCA) cycle, and lipid metabolism in host cells, offering valuable insights into host-virus interactions and broader cellular metabolism.

Evaluation of Vaccinia Virus Infection in Mice Using Two-Reporter Recombinant Virus.

The family Poxviridae comprises multiple viruses with large double-stranded (ds) DNA genomes that can infect numerous vertebrate and invertebrate hosts, including humans. The development of genetic engineering methods for Vaccinia virus (VACV), the prototypic member in the family, have allowed the manipulation of the genomes of poxviruses for the generation of recombinant (r)VACV expressing easily traceable luciferase and/or fluorescent reporter genes. These recombinant viruses have significantly contributed to progress in the field of poxvirus research and accelerated the development of novel prophylactic vaccines and therapeutic antiviral treatments.

Biosecurity and Infection Control for Veterinarians Caring for Livestock: A Guide for Daily Threats.

Biosecurity and infection control are important aspects of veterinary medicine and livestock production. In fact, cattle, sheep, and goat industries all rank biosecurity and disease prevention among the highest priority areas in livestock management. Although attention and planning have improved over the years among producers, the daily activities of a veterinarian can prevent or promote the spread of contagious disease agents.