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One of the factors identified in the research as contributing to the HSU pattern of people experiencing homelessness was recurrent interactions between health professionals and patients, whereby patients were either excluded or discouraged from attending health services, or self-excluded themselves from services. Tasocitinib These interactions were described as 'conversations of exclusion'. Four such conversations were described 'the benzodiazepine conversation'; 'the mistrustful conversation'; 'the blaming conversation'; and 'the assertive conversation'.

There are certain recurrent interactions between people experiencing homelessness and doctors that result in the exclusion of people experiencing homelessness from health services.
There are certain recurrent interactions between people experiencing homelessness and doctors that result in the exclusion of people experiencing homelessness from health services.Myoedema is an under-recognised neurological sign that can help the bedside diagnosis of metabolic or endocrine myopathies. Myoedema together with pseudo-hypertrophy make a likely diagnosis of hypothyroid myopathy, and its identification may avoid unnecessary investigations.Long-term electroencephalogram monitoring is often used to help distinguish epileptic from dissociative (non-epileptic) seizures. Home video telemetry now offers many of the benefits in diagnosis previously available only with inpatient video telemetry, which is usually regarded as the 'gold standard'. Here, we describe recent developments in home video telemetry and how we undertake this procedure in our unit.Progressive multifocal leucoencephalopathy (PML) is a demyelinating white matter disease that most often affects immunocompromised people infected by JC virus. The diagnostic gold standard is demonstrable viral DNA or protein from histopathological tissue. However, there are few detailed descriptions of cortical grey matter involvement on neuroimaging. Here we describe the histopathological correlate of cerebral grey matter involvement and radiological accompaniment in a patient with biopsy proven PML.Because of its resilience to hypoxia and trauma, the frog has long been a favored preparation of neurophysiologists. Its use has led to the discovery of many fundamental properties of neurons and neural circuits. Neurophysiologists were originally attracted to Xenopus embryos, tadpoles, and frogs because of their ready availability, their external development, and the anatomical accessibility and relatively simple neural circuitry of the Xenopus visual, locomotory, and vocalization systems. Nowadays, the sequencing of Xenopus genomes and the panoply of tools for manipulating gene expression have created new opportunities for neurophysiologists to address the molecular underpinnings of how neurons generate behaviors in a vertebrate. Here, we introduce protocols for harnessing the power of Xenopus for performing electrophysiological studies of neural circuitry in the developing optic tectum and spinal cord, as well as in vocalization, and for studying the ontogeny of locomotory behavior.Xenopus is one of the premier model systems to study cell and developmental biology in vivo in vertebrates. Here we briefly review how this South African frog came to be favored by a large community of scientists after the explosive growth of molecular biology and examine some of the original discoveries arising from this sturdy frog. Experimental embryology started in Rana but developed in newt embryos for historical reasons. A long lineage of mentorship, starting with Theodor Boveri, Hans Spemann, Fritz Baltzer, Ernst Hadorn, and Michail Fischberg, used newt embryos. In Oxford, Fischberg made the transition to Xenopus laevis because it was widely available for human pregnancy tests and laid eggs year-round, and he fortuitously isolated a one-nucleolus mutant. This mutant allowed nuclear transfer experiments showing that genetic information is not lost during cell differentiation and the demonstration that the nucleolus is the locus of transcription of the large ribosomal RNAs. With the advent of DNA cloning, the great equalizer among all fields of biology, microinjected Xenopus oocytes became an indispensable tool, providing the first living-cell mRNA translation, polymerase II and III transcription, and coupled transcription-translation systems in eukaryotes. Xenopus embryos provide abundant material to study the earliest signaling events during vertebrate development and have been subjected to saturating molecular screens in the genomic era. Many novel principles of development and cell biology owe their origins to this remarkably resilient frog.The innervation of the optic tectum of Xenopus by retinal ganglion cells controls visual information processing and behavioral output. Several indicators can be used to evaluate the functional inputs/outputs of tectal neurons, such as spontaneous activity, visually evoked currents, temporal receptive fields, and spatial receptive fields. Analysis of multiple functional properties in the same neurons allows increased understanding of mechanisms underlying visual system function and plasticity. Patch-clamp recordings combined with gene expression or morpholino-mediated knockdown techniques have been especially powerful in the study of specific genes during development and circuit function. The protocol described here provides instructions for performing in vivo electrophysiological recordings from individual tectal neurons to study retinotectal circuitry in the developing Xenopus tectum.
Gastric adenocarcinoma (GAC) is a lethal disease with limited therapeutic options. Genetic alterations in chromatin remodelling gene AT-rich interactive domain 1A (
) and mTOR pathway activation occur frequently in GAC. Targeting the mechanistic target of rapamycin (mTOR) pathway in unselected patients has failed to show survival benefit. A deeper understanding of GAC might identify a subset that can benefit from mTOR inhibition.

Genomic alterations in
were analysed in GAC. Mouse gastric epithelial cells from
and wild-type mice were used to determine the activation of oncogenic genes due to loss of Arid1A. Functional studies were performed to determine the significance of loss of ARID1A and the sensitivity of ARID1A-deficient cancer cells to mTOR inhibition in GAC.

More than 30% of GAC cases had alterations (mutations or deletions) of ARID1A and ARID1A expression was negatively associated with phosphorylation of S6 and SOX9 in GAC tissues and patient-derived xenografts (PDXs). Activation of mTOR signalling (increased pS6) and SOX9 nuclear expression were strongly increased in Arid1A
mouse gastric tissues which could be curtailed by RAD001, an mTOR inhibitor.
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