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Vaccine therapy for pediatric highgrade glioma: current landscape, challenges, and future directions NeuroOncology

Pediatric high-grade gliomas (pHGG) are among the most aggressive childhood brain tumors, with limited treatment options and poor prognosis. Vaccine-based immunotherapy offers a promising strategy by leveraging tumor-specific or associated antigens to stimulate durable anti-tumor immune responses with minimal toxicity.

This review outlines the scientific rationale for vaccine therapies in pHGG, detailing key targets such as glioma-associated antigens (EphA2, IL-13Rα2, survivin), driver mutation–derived neoantigens (H3.3K27M, TP53, IDH1), and viral antigens (CMV pp65). We evaluate current vaccine platforms, including peptide vaccines, dendritic cell vaccines, mRNA-based vaccines, and neoantigen-personalized approaches, highlighting early-phase clinical trial results that demonstrate safety and immunogenicity. Despite encouraging preliminary data, several challenges hinder clinical translation, including the distinct immune environment in the central nervous system, intratumoral heterogeneity, low mutational burden, immunosuppressive microenvironments, steroid use, and logistical hurdles in vaccine production and trial design. Future research must address these barriers through optimized antigen selection, combinatorial therapies, novel delivery systems, and pediatric-specific immune profiling.

With continued multidisciplinary collaboration, vaccine therapies may emerge as a meaningful addition to the therapeutic arsenal for children with pHGG.

Are gas turbines ready for the hydrogen economy?

Can we fuel gas turbines with hydrogen instead of fossil fuels and cut 15% of global carbon dioxide (CO2) emissions? Gas turbines generate around 22% of the world’s electricity. Replacing fossil fuels is a key step toward more sustainable power generation. Hydrogen is widely considered a promising alternative fuel for gas turbines in both power generation and aviation. However, before hydrogen can be used safely on a large scale, researchers need to better understand how it affects the materials exposed to the extreme operating conditions inside turbines.

While the interaction between hydrogen and metallic materials has been extensively studied at ambient temperatures, far less is known about its effects at the elevated temperatures found in gas turbines. An international team of researchers has now investigated how hydrogen affects nickel-based superalloys—the materials of choice for gas turbines—at elevated temperatures.

Their results indicate that hydrogen-induced embrittlement can be at least twice as severe, posing a significant challenge for components that must meet the highest standards of safety and reliability. Researchers at the Max Planck Institute for Sustainable Materials (MPI-SusMat) and their collaborators published the new findings in the journal Nature Materials.

Malaysia’s resource anxiety tests Asia’s fastest data center build-out

HONG KONG/JOHOR, Malaysia – After leapfrogging Singapore to become the region’s fastest-growing data center hub, Malaysia is facing intensifying scrutiny as the resources debate that has complicated the industry’s growth spreads to emerging Asia.

Protests over a data center complex in Johor state’s southern tip — the epicenter of the boom — were the first of their kind in the country. In Selangor, the richest and most populous state, debate about the burden on communities has become politicized.

“Two years ago, it was just about building capacity,” said Cheam Tat Inn, managing director at the Malaysian arm of U.S. data center operator Equinix.

World Happiness Report 2026: Complex Global Picture of Social Media and Happiness

Life evaluations among under 25s in the United States, Canada, Australia and New Zealand have dropped dramatically (by almost one point on a 0–10 scale) over the past decade, while the average for the young in the rest of the world has increased, according to Gallup World Poll data.

One international survey1 of 15-year-olds in nearly 50 countries suggests heavy social media use is associated, on average, with a significant drop in wellbeing among the students surveyed, though any effect is highly dependent on the type of social media platform being used, how it is used, as well as demographic factors such as gender and socio-economic status.

Other factors, such as social connections and a sense of belonging, are associated with much bigger changes in how respondents feel about their lives.

The global biogeography of passerine songs

Although bird songs are classic models for understanding the evolution of vocal communication, their global diversity has long made the development of a unifying framework challenging. By analyzing the acoustic architecture of songs from more than 3,000 passerine species worldwide, we show that this acoustic space can be structured around eight elemental motifs. The differential use of these motifs is driven by a combination of species’ biological traits (social organization, morphology, and mating system) and the physics of sound propagation. In tropical rainforests, environmental filtering for transmission efficiency favors structurally simple motifs, such as flat whistles.

Synthetic tumor data helps AI improve long-read cancer mutation detection

A research team at The University of Hong Kong (HKU), has developed ClairS—a deep-learning algorithm that significantly improves the detection of cancer mutations using long-read sequencing. Tested on breast cancer, lung cancer and melanoma cell line datasets, ClairS has demonstrated high accuracy across various cancer types and sequencing conditions.

The team was led by Professor Ruibang Luo, assistant director of Learning Experience & Student Enrichment and associate head of the Department of AI & Data Science at the School of Computing and Data Science (CDS) at HKU. The findings are published in the journal Nature Methods. ClairS is open source and available on GitHub.

Inherited gene variants may shape CAR-T therapy benefits and toxic side effects

Chimeric antigen receptor (CAR)-T cell therapy, which reprograms an individual’s immune cells to seek out and destroy certain cancer cells, has revolutionized treatment for blood cancers such as lymphoma. But in some patients, the treatment can cause serious side effects. New research led by investigators at the Mass General Brigham Cancer Institute, the Broad Institute of MIT and Harvard, and Dana-Farber Cancer Institute has shown that patients’ inherited genetic makeup can influence whether they benefit from CAR-T cell therapy or experience toxicity from the treatment. The results are published in Science Immunology.

“These findings have important implications for understanding how CAR-T cells behave in patients since each CAR-T cell product is unique to the person from whom it is manufactured, unlike all prior forms of therapy, which are identical across patients,” said lead author Mark B. Leick, M.D., an oncologist at the Mass General Brigham Cancer Institute.

For the study, Leick and his colleagues sequenced the entire genomes of more than 200 patients with aggressive lymphoma from two major clinical trials of CAR-T cell therapy. In one of the trials, patients with T cells with variants that silenced the STXBP2 gene tended to experience toxicity related to CAR-T cell therapy. Also, donor T cells engineered to lack STXBP2 and/or express these STXBP2-silencing variants triggered inflammation.

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