Aldehyde oxidases (AOXs) are a small group of enzymes belonging to the larger family of molybdo-flavoenzymes, along with the well-characterized xanthine oxidoreductase. The two major types of reactions that are catalyzed by AOXs are the hydroxylation of heterocycles and the oxidation of aldehydes to their corresponding carboxylic acids. Different animal species have different complements of AOX genes. The two extremes are represented in humans and rodents; whereas the human genome contains a single active gene (AOX1), those of rodents, such as mice, are endowed with four genes (Aox1-4), clustering on the same chromosome, each encoding a functionally distinct AOX enzyme. It still remains enigmatic why some species have numerous AOX enzymes, whereas others harbor only one functional enzyme. At present, little is known about the physiological relevance of AOX enzymes in humans and their additional forms in other mammals. These enzymes are expressed in the liver and play an important role in the metabolisms of drugs and other xenobiotics. In this review, we discuss the expression, tissue-specific roles, and substrate specificities of the different mammalian AOX enzymes and highlight insights into their physiological roles.

(NIH/National Institute of Allergy and Infectious Diseases) A randomized, controlled clinical trial evaluating the safety and efficacy of a treatment regimen of the investigational antiviral remdesivir plus the anti-inflammatory drug baricitinib for COVID-19 has begun. The trial is now enrolling hospitalized adults with COVID-19 in the United States. The trial is expected to open at approximately 100 US and international sites. Investigators currently anticipate enrolling more than 1,000 participants. The National Institute of Allergy and Infectious Diseases is sponsoring the trial.

What impact has the lockdown had on our mental health, and what determines how people cope with isolation?

Proteins that bind carbohydrate structures can serve as tools to quantify or localize specific glycans in biological specimens. Such proteins, including lectins and glycan-binding antibodies, are particularly valuable if accurate information is available about the glycans that a protein binds. Glycan arrays have been transformational for uncovering rich information about the nuances and complexities of glycan-binding specificity. A challenge, however, has been the analysis of the data. Because protein-glycan interactions are so complex, simplistic modes of analyzing the data and describing glycan-binding specificities have proven inadequate in many cases. This review surveys the methods for handling high-content data on protein-glycan interactions. We contrast the approaches that have been demonstrated and provide an overview of the resources that are available. We also give an outlook on the promising experimental technologies for generating new insights into protein-glycan interactions, as well as a perspective on the limitations that currently face the field.

16 March 2020

16 March 2020

Research Event

Event participants

Penny Abeywardena, Commissioner, International Affairs, City of New York
Ambassador Nina Hachigian, Deputy Mayor for International Affairs, City of Los Angeles; US Ambassador to the Association of Southeast Asian Nations (2014-17)
Steven Erlanger, Chief Diplomatic Correspondent, Europe, The New York Times  
Chair: Dr Leslie Vinjamuri, Director, US and the Americas Programme, Chatham House

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Oversimplification and lack of evidence stigmatise people with mental illness and impede prevention efforts, says Simon Wessley, professor of psychiatry at King's College London, in an editorial published on thebmj.com. Read the full editorial: http://www.bmj.com/content/354/bmj.i4869

This week we’re at the over diagnosis conference in Quebec Canada, Preventing overdiangosis is a forum to discuss the harms associated with using uncertain methods to look for disease in apparently healthy people - and is part of the BMJ’s too much medicine campaign. One of the ways in which the public’s attitudes and wishes around health is...

Even as the 1.8 million number swirls in the discussion of how many DREAMers would be placed on a path to citizenship, proposals debated in the Senate in February 2018 would have resulted in the legalization of smaller numbers, as this commentary explains. It offers estimates of potential beneficiaries of several Senate proposals, including one backed by the White House, and analysis of key criteria.

Approximately 11,500 unaccompanied children were apprehended at the U.S.-Mexico border in May, putting this year on track to exceed 2014's surge. As the U.S. government struggles to care for these child migrants, with public outrage mounting over reports of unsafe, filthy conditions in initial Border Patrol custody, the failure of the executive branch and Congress to plan for increased shelter and care demands are increasingly apparent, as this article explores.

Even with the collapse of the Islamic State's "caliphate," thousands of Western foreign fighters are estimated to remain in the Middle East. Deciding how to handle the return of the radicalized—and their dependents—is no easy issue. Some countries seek to revoke their citizenship. Yet citizenship revocation has unclear impact and raises deep questions about the limits of a state’s responsibility to its citizens, as this article explores.

Noncitizens have long served in the U.S. military, often encouraged by the promise of a fast track to U.S. citizenship. In recent years, however, Congress and the Defense Department have made it more difficult for noncitizens to enlist. This brief give context to these policy changes and explores ways the military could better balance concerns about national security and the need for recruits with key cultural and professional skills.

The Modi government's push for a Citizenship Amendment Act and National Register of Citizens sparked deadly riots and chilled India's 200 million Muslims, who fear being relegated to second-class citizenship—and for some, even statelessness. This article explores actions by Modi's Bharatiya Janata Party, the significance of Bangladeshi illegal immigration as a driver, and what a register of citizens in Assam might mean for India.

The U.S. wind industry is in a scramble to get a batch of turbine farms running in the next two years, before the federal government phases out a key tax credit.

Over the past decade, state and local policymakers have increasingly stepped into the void left by Washington over legislative reform of the immigration system and have enacted their own policies, particularly in regard to illegal immigration. This article explores this trend of increased activism and examines whether restrictive state immigration laws have had an effect on the size of immigrant populations at the state level.

WASHINGTON – While the new Trump administration public charge rule is likely to vastly reshape future legal immigration based on its test to assess if a person might ever use public benefits in the future, the universe of non-citizens who could be denied a green card based on current benefits use is quite small.

Advocates have plans to push more state legislatures to pass laws requiring high schoolers to pass a citizenship test in order to graduate in coming years.

"The objective of the audit was to assess whether the award of funding under the RJIP program was informed by appropriate departmental advice and that processes complied with the grants administration framework."--Page 8.

City planning -- Remote sensing.

Food security -- Australia.

Citizen science is a method of involving students and community members in scientific research and exploration using the same parameters as professional scientists. During the Huron River Watershed Council’s annual “Insect Identification Day” in Ann Arbor, Mich., students and volunteers identified insects to add to the group’s ecological survey. Such projects are part of a new wave of […]

[London] : E. & F.N. Spon, 1881.

[Hong Kong] : [Art In Hospitals], [2019]

Delta said it is making the move to protect employees amid the coronavirus pandemic, but planes have been flying near empty

For the first time in history, more than 50 percent of the world’s population now lives in towns and cities. By 2050, this number is expected to increase to 66 percent. The shift from rural to urban areas, mainly in Africa and Asia, is due to poverty and related socio-economic factors.   For the most part, the rapid expansion of cities [...]

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What word comes to mind when you think of “cities”? Busy? And when you think of “forests”? Peaceful? What if cities could be something different? To date, cities have largely been problematic for the environment. They occupy just two percent of the world’s land. However, they account for over 60 percent of global energy consumption, 70 percent of greenhouse gas emissions [...]

Darin Isaac was elected on Wednesday as the new chief of the Selkirk First Nation in Yukon. Isaac also held the position for two terms from 2005 to 2011. He has also served as a councillor for three terms.

Days before Saint John council passed a motion to ensure Saint John Energy could not be sold, the Ontario cities of Peterborough and Orillia both got approval to sell their municipally owned power distribution companies.

Architects and planners from the Netherlands are advising coastal cities worldwide on how to live with water

Let’s concentrate on where the need has been shown to be greatest.

The ingenuity of Scotland’s independent food sector, and its determination to keep feeding us in these testing circumstances, is remarkable. Restaurants and cafés have gone down the takeaway route, small artisan suppliers who lost overnight all their catering customers have rapidly reconfigured their business around home delivery. Farmers who previously struggled to attract supermarket shoppers have never been so busy. Farmer’s markets have adapted to sell delivered or collected vegetable b

WELL that didn’t take long. Scotland’s latest experiment in direct democracy was all but killed off this week, barely two months after Nicola Sturgeon announced it.

Hundreds of teachers across the Sacramento Unified school district walked out of their classrooms and onto picket lines last week for the first time in 30 years, staging a one-day strike alleging unfair labor practices by the California district.

Newborn screening (NBS) programs may store bloodspot samples and use them for secondary purposes, such as research. Recent public controversies and lawsuits over storage and secondary uses underscore the need to engage the public on these issues.

This public engagement study identifies values underlying citizens’ acceptance of and discomfort with research from NBS samples. Well-designed methods of public education and civic discourse on the risks and benefits of storage and secondary uses of NBS samples are required. (Read the full article)

Few studies have examined the reliability of clinical findings in pediatric appendicitis. Clinical prediction rules are most useful if the included variables are reliable across practice settings and practitioners.

Among children who present with possible appendicitis, the interrater reliability varied considerably for patient history and physical examination variables. Those variables with the highest degree of reliability may be best suited for inclusion in appendicitis clinical prediction rules. (Read the full article)

Because pediatric appendicitis is challenging to diagnose, computed tomography (CT) is used frequently. Childhood radiation exposure is associated with increased risk of cancer. Ultrasound avoids radiation exposure but is less sensitive for appendicitis than CT.

Controlling for referral bias, evaluation at a community compared with a children’s hospital is associated with higher CT and lower ultrasound use before appendectomy. CT and ultrasound accuracy for appendicitis in children varies with hospital type. (Read the full article)

Although appendicitis is the most common surgical cause of abdominal pain in pediatrics, its diagnosis remains elusive. When evaluated independently, clinical scoring systems and ultrasonography have been shown to have low to moderate sensitivity in the diagnosis of appendicitis.

Our study evaluated the accuracy of a clinical practice guideline combining the Samuel’s pediatric appendicitis score and selective ultrasonography as the primary imaging modality for children with suspected appendicitis. Our clinical pathway demonstrated high sensitivity and specificity. (Read the full article)

Previous studies have confirmed feasibility of MRI for diagnosis of appendicitis in adults and children. No study has assessed clinical end points when using ultrasound and MRI compared with computed tomography for diagnosis of appendicitis in children.

Radiation-free imaging with ultrasound selectively followed by MRI does not change clinical endpoints compared with CT for diagnosing appendicitis in children, with no difference in time to antibiotic administration, time to appendectomy, negative appendectomy rate, perforation rate, or length of stay. (Read the full article)

US President Donald Trump says he plans to sign an executive order ending birthright citizenship for babies of non-citizens and unauthorised immigrants born on US soil.

The UEFA Futsal EURO is being enhanced, and will soon be joined by two new futsal competitions – the UEFA Women's Futsal EURO and the UEFA European Under-19 Futsal Championship.

The inaugural Women’s EURO 2021 host cities’ workshop has taken place in host country England – with the aim being to deliver a record-breaking tournament that leaves a legacy for girls’ and women’s football.