Tatiana Stepanova
Apr 1, 2003; 23:2655-2664
Cellular

KM Harris
Aug 1, 1989; 9:2982-2997
Articles

French translation of BIS press release on the presentation of the Annual Economic Report 2018, 24 June 2018. Les responsables des politiques publiques peuvent prolonger la phase de croissance actuelle en engageant des réformes structurelles, en restaurant les marges de manoeuvre monétaires et budgétaires pour faire face aux menaces futures et en encourageant une mise en oeuvre rapide des réformes réglementaires, indique la Banque des Règlements Internationaux (BRI) dans son Rapport économique annuel. ...

French translation of speech delivered by Mr Agustín Carstens, General Manager of the BIS, on the occasion of the Bank's Annual General Meeting, Basel, 24 June 2018. Mesdames et Messieurs, j'ai le plaisir de vous présenter aujourd'hui la première édition du Rapport économique annuel de la BRI. Les trois premiers chapitres analysent les évolutions, perspectives et risques de l'économie mondiale, en s'attachant plus particulièrement à la politique monétaire et aux réformes de la réglementation financière, aux marchés et aux acteurs de l'intermédiation. Nous consacrons deux chapitres spéciaux à des enjeux actuels : une analyse des dispositifs macroprudentiels d'une part, une étude relative aux cryptomonnaies d'autre part....

French translation of the BIS press release about the BIS Quarterly Review, September 2018

Spanish translation of "Pillar 3 disclosure requirements - updated framework", December 2018

In what could be a trial run for more of the same, Red Hat last week held a first-ever virtual technical summit to spread the word about its latest cloud tech offerings. CEO Paul Cormier welcomed online viewers to the conference, which attracted more than 80,000 virtual attendees. The company made several key announcements during the online gathering and highlighted customer innovations.

Microsoft has introduced a slew of new products, including the Surface Go 2, the Surface Book 3, Surface Headphones 2 and Surface Earbuds. Both the Surface Go 2 and the Surface Book 3 come in consumer and corporate versions. "The two products are very different," noted Rob Enderle, principal analyst at the Enderle Group. "The Go 2 is a high-value product -- the Surface Book 3 high innovation."

Knowledge about objects encompasses not only their prototypical features but also complex, atypical, semantic knowledge (e.g., "Pizza was invented in Naples"). This fMRI study of male and female human participants combines univariate and multivariate analyses to consider the cortical representation of this more complex semantic knowledge. Using the categories of food, people, and places, this study investigates whether access to spatially related geographic semantic knowledge (1) involves the same domain-selective neural representations involved in access to prototypical taste knowledge about food; and (2) elicits activation of neural representations classically linked to places when this geographic knowledge is accessed about food and people. In three experiments using word stimuli, domain-relevant and atypical conceptual access for the categories food, people, and places were assessed. Results uncover two principles of semantic representation: food-selective representations in the left insula continue to be recruited when prototypical taste knowledge is task-irrelevant and under conditions of high cognitive demand; access to geographic knowledge for food and people categories involves the additional recruitment of classically place-selective parahippocampal gyrus, retrosplenial complex, and transverse occipital sulcus. These findings underscore the importance of object category in the representation of a broad range of knowledge, while showing how the cross recruitment of specialized representations may endow the considerable flexibility of our complex semantic knowledge.

SIGNIFICANCE STATEMENT We know not only stereotypical things about objects (an apple is round, graspable, edible) but can also flexibly combine typical and atypical features to form complex concepts (the metaphorical role an apple plays in Judeo-Christian belief). In this fMRI study, we observe that, when atypical geographic knowledge is accessed about food dishes, domain-selective sensorimotor-related cortical representations continue to be recruited, but that regions classically associated with place perception are additionally engaged. This interplay between categorically driven representations, linked to the object being accessed, and the flexible recruitment of semantic stores linked to the content being accessed, provides a potential mechanism for the broad representational repertoire of our semantic system.

Hepatocyte growth factor (HGF) is a multifunctional protein that signals through the MET receptor. HGF stimulates cell proliferation, cell dispersion, neuronal survival, and wound healing. In the inner ear, levels of HGF must be fine-tuned for normal hearing. In mice, a deficiency of HGF expression limited to the auditory system, or an overexpression of HGF, causes neurosensory deafness. In humans, noncoding variants in HGF are associated with nonsyndromic deafness DFNB39. However, the mechanism by which these noncoding variants causes deafness was unknown. Here, we reveal the cause of this deafness using a mouse model engineered with a noncoding intronic 10 bp deletion (del10) in Hgf. Male and female mice homozygous for del10 exhibit moderate-to-profound hearing loss at 4 weeks of age as measured by tone burst auditory brainstem responses. The wild type (WT) 80 mV endocochlear potential was significantly reduced in homozygous del10 mice compared with WT littermates. In normal cochlea, endocochlear potentials are dependent on ion homeostasis mediated by the stria vascularis (SV). Previous studies showed that developmental incorporation of neural crest cells into the SV depends on signaling from HGF/MET. We show by immunohistochemistry that, in del10 homozygotes, neural crest cells fail to infiltrate the developing SV intermediate layer. Phenotyping and RNAseq analyses reveal no other significant abnormalities in other tissues. We conclude that, in the inner ear, the noncoding del10 mutation in Hgf leads to developmental defects of the SV and consequently dysfunctional ion homeostasis and a reduction in the EP, recapitulating human DFNB39 nonsyndromic deafness.

SIGNIFICANCE STATEMENT Hereditary deafness is a common, clinically and genetically heterogeneous neurosensory disorder. Previously, we reported that human deafness DFNB39 is associated with noncoding variants in the 3'UTR of a short isoform of HGF encoding hepatocyte growth factor. For normal hearing, HGF levels must be fine-tuned as an excess or deficiency of HGF cause deafness in mouse. Using a Hgf mutant mouse with a small 10 bp deletion recapitulating a human DFNB39 noncoding variant, we demonstrate that neural crest cells fail to migrate into the stria vascularis intermediate layer, resulting in a significantly reduced endocochlear potential, the driving force for sound transduction by inner ear hair cells. HGF-associated deafness is a neurocristopathy but, unlike many other neurocristopathies, it is not syndromic.

Microglial cells are considered as sensors of brain pathology by detecting any sign of brain lesions, infections, or dysfunction and can influence the onset and progression of neurological diseases. They are capable of sensing their neuronal environment via many different signaling molecules, such as neurotransmitters, neurohormones and neuropeptides. The neuropeptide VGF has been associated with many metabolic and neurological disorders. TLQP21 is a VGF-derived peptide and has been shown to signal via C3aR1 and C1qBP receptors. The effect of TLQP21 on microglial functions in health or disease is not known. Studying microglial cells in acute brain slices, we found that TLQP21 impaired metabotropic purinergic signaling. Specifically, it attenuated the ATP-induced activation of a K⁺ conductance, the UDP-stimulated phagocytic activity, and the ATP-dependent laser lesion-induced process outgrowth. These impairments were reversed by blocking C1qBP, but not C3aR1 receptors. While microglia in brain slices from male mice lack C3aR1 receptors, both receptors are expressed in primary cultured microglia. In addition to the negative impact on purinergic signaling, we found stimulating effects of TLQP21 in cultured microglia, which were mediated by C3aR1 receptors: it directly evoked membrane currents, stimulated basal phagocytic activity, evoked intracellular Ca²⁺ transient elevations, and served as a chemotactic signal. We conclude that TLQP21 has differential effects on microglia depending on C3aR1 activation or C1qBP-dependent attenuation of purinergic signaling. Thus, TLQP21 can modulate the functional phenotype of microglia, which may have an impact on their function in health and disease.

SIGNIFICANCE STATEMENT The neuropeptide VGF and its peptides have been associated with many metabolic and neurological disorders. TLQP21 is a VGF-derived peptide that activates C1qBP receptors, which are expressed by microglia. We show here, for the first time, that TLQP21 impairs P2Y-mediated purinergic signaling and related functions. These include modulation of phagocytic activity and responses to injury. As purinergic signaling is central for microglial actions in the brain, this TLQP21-mediated mechanism might regulate microglial activity in health and disease. We furthermore show that, in addition to C1qBP, functional C3aR1 responses contribute to TLQP21 action on microglia. However, C3aR1 responses were only present in primary cultures but not in situ, suggesting that the expression of these receptors might vary between different microglial activation states.

Hydrocephalus is a pathologic condition associated with various brain diseases, including Alzheimer's disease (AD). Dysfunctional ependymal cells (EpCs) are believed to contribute to the development of hydrocephalus. It is thus of interest to investigate EpCs' development and function. Here, we report that vacuolar protein sorting-associated protein 35 (VPS35) is critical for EpC differentiation, ciliogenesis, and survival, and thus preventing neonatal hydrocephalus. VPS35 is abundantly expressed in EpCs. Mice with conditional knock-out (cKO) of Vps35 in embryonic (Vps35^GFAP-Cre and Vps35^Emx1-Cre) or postnatal (Vps35^Foxj1-CreER) EpC progenitors exhibit enlarged lateral ventricles (LVs) and hydrocephalus-like pathology. Further studies reveal marked reductions in EpCs and their cilia in both Vps35^GFAP-Cre and Vps35^Foxj1-CreER mutant mice. The reduced EpCs appear to be due to impairments in EpC differentiation and survival. Additionally, both Vps35^GFAP-Cre and Vps35^Foxj1-CreER neonatal pups exhibit increased cell proliferation and death largely in a region close to LV-EpCs. Many microglia close to the mutant LV-EpC region become activated. Depletion of the microglia by PLX3397, an antagonist of colony-stimulating factor 1 receptor (CSF1R), restores LV-EpCs and diminishes the pathology of neonatal hydrocephalus in Vps35^Foxj1-CreER mice. Taken together, these observations suggest unrecognized functions of Vps35 in EpC differentiation, ciliogenesis, and survival in neonatal LV, and reveal pathologic roles of locally activated microglia in EpC homeostasis and hydrocephalus development.

SIGNIFICANCE STATEMENT This study reports critical functions of vacuolar protein sorting-associated protein 35 (VPS35) not only in promoting ependymal cell (EpC) differentiation, ciliogenesis, and survival, but also in preventing local microglial activation. The dysfunctional EpCs and activated microglia are likely to induce hydrocephalus.

At the beginning of the year we took a tour of 6 incredible plants you might not have heard of. Diets worldwide – from forest roots and leaves such as the moringa in Africa and parts of Asia to cardoon, the close relative of the artichoke in Europe – are varied, suited to local environment and can counter malnutrition and [...]

Smallholders and people living in rural areas in Africa grow a huge variety of edible plants other than rice, wheat or maize. These crops, including the African yam bean, have long been neglected although they represent an excellent alternative food supplement to most diets. Grown in pockets of tropical Central, West and East Africa, the African yam bean (Sphenostylis stenocarpa) [...]

An estimated 700 000 people die each year from antimicrobial resistant (AMR) infections and an untold number of sick animals may not be responding to treatment. AMR is a significant global threat to public health, food safety and security, as well as to livelihoods, animal production and economic and agricultural development. The intensification of agricultural production has led to a rising use of antimicrobials – a use that is expected to more than double by 2030. Antimicrobials are important for the treatment of animal and plant diseases [...]

FAO email newsletters have sparked great interest across the Organization in the last few years, with over 2 million emails sent out in 2018 and over 3 million last year.

Corporate newsletters cover approximately 100 [...]

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ecstasy mimic tablets (actually containing n-benzylpiperazine (bzp) and caffeine) in tucson, arizona  §  ecstasy mimic tablets (actually containing bzp, tfmpp, and dextromethorphan) in tiffin, ohio  §  oxycontin® mimic tablets (containing ketamine and caffeine)  §  tablets in thai toothpaste tubes in san francisco, california  §  cocaine concealed in religious plaques in miami, florida  §  freeze-dried khat in chicago, illinois  §  selected references

The snails are an invasive crop pest that are known to eat more than just coffee rust

The new findings raises questions about the authenticity of a collection of texts known as the "post-2002" scrolls

The bacterial strain can break down some of the toxic components of polyurethane plastic

Starved of resources, these hardy bacteria still eke out a living, suggesting life forms could survive in the harsh habitats on other planets

The art within Shing Yin Khor's virtual world represents a sassy response to the game's built-in natural history museum

Biologist Tagide deCarvalho created this award-winning image of the tardigrade using fluorescent stains

Researchers tracked changes in the crocodilian creatures’ inner ears to learn how they moved into the sea

The 20th-century architect defined a uniquely American style that used nature-inspired motifs and horizontal lines

Traditionalist "two-spacers" can still disable the function

Gamers are brushing up on their art history knowledge to spot Redd's counterfeit creations

Airing on the aquarium's Twitch channel at 4 p.m. EST today, the two-hour session will focus on the video game's diverse insect population

Test your mettle with this puzzle created exclusively for our readers

The National Trust for Historic Preservation is looking for 1,000 places tied to women's history, and to share the stories of the figures behind them

A trio of teenage lions are desperate to cross the shallows of the Luangwa River, in order to reunite with their pride. One problem: The river is infested with crocodiles, waiting for an easy meal.

A trio of young northern violinists recently joined their contemporaries across Canada for a project that aims to bring people together through music — while being apart.

BIS Bulletin No 7, April 2020. Past epidemics had long-lasting effects on economies through illness and the loss of lives, while Covid-19 is marked by widespread containment measures and relatively lower fatalities among young people. The short-term costs of Covid-19 will probably dwarf those of past epidemics, due to the unprecedented and synchronised global sudden stop in economic activity induced by containment measures. The current estimated impact on global GDP growth for 2020 is around -4%, with substantial downside risks if containment policies are prolonged. Output losses are larger for major economies.

1. Coronavirus Outbreak Updates: Maharashtra reports 1,089 new COVID-19 cases across state, 748 in Mumbai; total infections at 19,063  Firstpost
2. Migrant workers | Maharashtra train accident victims were battling hunger  The Hindu
3. Maharashtra: They thought no trains were running, loco driver spotted them too late to stop  The Indian Express
4. ‘Stay where you are’: Shivraj Chouhan appeals to migrants after train tragedy  Hindustan Times
5. MP Ministers Ask Shivraj to Probe Tenure of Kamal Nath to ‘Expose Massive Corruption’  News18
6. View Full coverage on Google News

Netizens celebrate as Kamal Haasan crosses 6 million mark on Twitter  DNA India

More than 1,000 people looking for work in the tech industry are signed up for a virtual job fair on Thursday afternoon.

The space near City Hall will allow weddings celebrations with up to 10 people.

Carving out a section of low-hanging basement ceiling was a small price to pay to give Travis Bondy the space he needed to play in the Isolation Dart League.

This full text file contains reports, issued weekly during the growing season (April to November), which lists planting, fruiting, and harvesting progress and overall condition of selected crops in major producing states. The data, summarized by crop and by state, are republished along with any revisions in the Weekly Weather and Crop Bulletin. During the months of December through March, the report is issued monthly titled State Stories.

This full text file contains reports, issued weekly during the growing season (April to November), which lists planting, fruiting, and harvesting progress and overall condition of selected crops in major producing states. The data, summarized by crop and by state, are republished along with any revisions in the Weekly Weather and Crop Bulletin. During the months of December through March, the report is issued monthly titled State Stories.

Pittsburgh Penguins superstar Sidney Crosby is easing the burden for many Pennsylvania families struggling during the COVID-19 virus.

Maple Leafs defenceman Justin Holl is ready to go. He's just waiting for the green light. Holl has spent most of the COVID-19 pandemic that shut down the NHL, and much of North America, at home in Minnesota since the season was paused March 12.

The bonspiel took place in Edmonton March 11-14, starting the same day COVID-19 was declared a global pandemic.

Bank of Italy Working Papers by Andrea Gazzani and Alejandro Vicondoa

Central Bank of Chile Working Papers by Tomás Gómez, Alejandro Jara and David Moreno

Central Bank of Chile Working Papers by Gee Hee Hong, Matthew Klepacz, Ernesto Pasten and Raphael Schoenle

What if you needed to pull a cross-section of a solid with the ability to trace it? Well there are a couple of ways you can go about doing just that. The first is the Slicing tool which first made

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