Neuro-oncologyPub Date : 2025-05-02DOI: 10.1093/neuonc/noaf094
Vijay Ramaswamy, Uri Tabori
{"title":"Mind Over Microbes: Targeting the Gut-Brain Axis to Improve Treatment of Pediatric Low-Grade Glioma.","authors":"Vijay Ramaswamy, Uri Tabori","doi":"10.1093/neuonc/noaf094","DOIUrl":"https://doi.org/10.1093/neuonc/noaf094","url":null,"abstract":"","PeriodicalId":19377,"journal":{"name":"Neuro-oncology","volume":" ","pages":""},"PeriodicalIF":16.4,"publicationDate":"2025-05-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143992230","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Neuro-oncologyPub Date : 2025-05-02DOI: 10.1093/neuonc/noaf117
Eisha Anne Christian, James T Rutka
{"title":"Emerging Frontiers in DIPG Treatment: A New Hope.","authors":"Eisha Anne Christian, James T Rutka","doi":"10.1093/neuonc/noaf117","DOIUrl":"https://doi.org/10.1093/neuonc/noaf117","url":null,"abstract":"","PeriodicalId":19377,"journal":{"name":"Neuro-oncology","volume":" ","pages":""},"PeriodicalIF":16.4,"publicationDate":"2025-05-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144015277","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Neuro-oncologyPub Date : 2025-05-02DOI: 10.1093/neuonc/noaf113
Cristian Ruiz-Moreno, Sergio Marco Salas, Erik Samuelsson, Mariia Minaeva, Ignacio Ibarra, Marco Grillo, Sebastian Brandner, Ananya Roy, Karin Forsberg-Nilsson, Mariette E G Kranendonk, Fabian J Theis, Mats Nilsson, Hendrik G Stunnenberg
{"title":"Charting the Single-Cell and Spatial Landscape of IDH-Wildtype Glioblastoma with GBmap.","authors":"Cristian Ruiz-Moreno, Sergio Marco Salas, Erik Samuelsson, Mariia Minaeva, Ignacio Ibarra, Marco Grillo, Sebastian Brandner, Ananya Roy, Karin Forsberg-Nilsson, Mariette E G Kranendonk, Fabian J Theis, Mats Nilsson, Hendrik G Stunnenberg","doi":"10.1093/neuonc/noaf113","DOIUrl":"https://doi.org/10.1093/neuonc/noaf113","url":null,"abstract":"<p><strong>Background: </strong>Glioblastoma (GB), particularly IDH-wildtype, is the most aggressive brain malignancy with a dismal prognosis. Despite advances in molecular profiling, the complexity of its tumor microenvironment and spatial organization remains poorly understood. This study aimed to create a comprehensive single-cell and spatial atlas of GB to unravel its cellular heterogeneity, spatial architecture, and clinical relevance.</p><p><strong>Methods: </strong>We integrated single-cell RNA sequencing data from 26 datasets, encompassing over 1.1 million cells from 240 patients, to construct GBmap, a harmonized single-cell atlas. High-resolution spatial transcriptomics was employed to map the spatial organization of GB tissues. We developed the Tumor Structure Score (TSS) to quantify tumor organization and correlated it with patient outcomes.</p><p><strong>Results: </strong>We showcase the applications of GBmap for reference mapping, transfer learning, and biological discoveries. GBmap revealed extensive cellular heterogeneity, identifying rare populations such as tumor-associated neutrophils and homeostatic microglia. Spatial analysis uncovered seven distinct tumor niches, with hypoxia-dependent niches strongly associated with poor prognosis. The TSS demonstrated that highly organized tumors, characterized by well-defined vasculature and hypoxic niches, correlated with worse survival outcomes.</p><p><strong>Conclusions: </strong>This study provides a comprehensive resource for understanding glioblastoma heterogeneity and spatial organization. GBmap and the TSS provide an integrative view of tumor architecture in GB, highlighting hypoxia-driven niches that may represent avenues for further investigation. Our resource can facilitate exploratory analyses and hypothesis generation to better understand disease progression.</p>","PeriodicalId":19377,"journal":{"name":"Neuro-oncology","volume":" ","pages":""},"PeriodicalIF":16.4,"publicationDate":"2025-05-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144003231","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Neuro-oncologyPub Date : 2025-04-30DOI: 10.1093/neuonc/noaf111
Raoull Hoogendijk, Marjolein Geurts, Jasper van der Lugt
{"title":"Correlative Studies In Central Nervous System Tumors Clinical Trials: The Emerging Role Of Microbiome Research.","authors":"Raoull Hoogendijk, Marjolein Geurts, Jasper van der Lugt","doi":"10.1093/neuonc/noaf111","DOIUrl":"https://doi.org/10.1093/neuonc/noaf111","url":null,"abstract":"","PeriodicalId":19377,"journal":{"name":"Neuro-oncology","volume":" ","pages":""},"PeriodicalIF":16.4,"publicationDate":"2025-04-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144029906","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Neuro-oncologyPub Date : 2025-04-30DOI: 10.1093/neuonc/noaf072
Jaishri Blakeley, Nimish A Mohile, Hans Messersmith, Andrew B Lassman, David Schiff
{"title":"Therapy for Diffuse Astrocytic and Oligodendroglial Tumors in Adults: ASCO-SNO Guideline Rapid Recommendation Update.","authors":"Jaishri Blakeley, Nimish A Mohile, Hans Messersmith, Andrew B Lassman, David Schiff","doi":"10.1093/neuonc/noaf072","DOIUrl":"https://doi.org/10.1093/neuonc/noaf072","url":null,"abstract":"","PeriodicalId":19377,"journal":{"name":"Neuro-oncology","volume":" ","pages":""},"PeriodicalIF":16.4,"publicationDate":"2025-04-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144023920","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Neuro-oncologyPub Date : 2025-04-30DOI: 10.1093/neuonc/noaf112
Takahide Nejo, Robert M Prins, Hideho Okada
{"title":"The TCR Repertoire: A Window Into Pediatric Brain Tumor Immunity.","authors":"Takahide Nejo, Robert M Prins, Hideho Okada","doi":"10.1093/neuonc/noaf112","DOIUrl":"https://doi.org/10.1093/neuonc/noaf112","url":null,"abstract":"","PeriodicalId":19377,"journal":{"name":"Neuro-oncology","volume":" ","pages":""},"PeriodicalIF":16.4,"publicationDate":"2025-04-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144064315","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Neuro-oncologyPub Date : 2025-04-29DOI: 10.1093/neuonc/noaf109
Sarra Belakhoua, Varshini Vasudevaraja, Chanel Schroff, Kristyn Galbraith, Misha Movahed-Ezazi, Jonathan Serrano, Yiying Yang, Daniel Orringer, John G Golfinos, Chandra Sen, Donato Pacione, Nidhi Agrawal, Matija Snuderl
{"title":"DNA methylation profiling of pituitary neuroendocrine tumors identifies distinct clinical and pathological subtypes based on epigenetic differentiation.","authors":"Sarra Belakhoua, Varshini Vasudevaraja, Chanel Schroff, Kristyn Galbraith, Misha Movahed-Ezazi, Jonathan Serrano, Yiying Yang, Daniel Orringer, John G Golfinos, Chandra Sen, Donato Pacione, Nidhi Agrawal, Matija Snuderl","doi":"10.1093/neuonc/noaf109","DOIUrl":"https://doi.org/10.1093/neuonc/noaf109","url":null,"abstract":"<p><strong>Background: </strong>Pituitary neuroendocrine tumors (PitNETs) are the most common intracranial neuroendocrine tumors. PitNETs can be challenging to classify, and current recommendations include a large immunohistochemical panel to differentiate among 14 WHO-recognized categories.</p><p><strong>Methods: </strong>In this study, we analyzed clinical, immunohistochemical and DNA methylation data of 118 PitNETs to develop a clinico-molecular approach to classifying PitNETs and identify epigenetic classes.</p><p><strong>Results: </strong>CNS DNA methylation classifier has an excellent performance in recognizing PitNETs and distinguishing the three lineages when the calibrated score is ≥0.3. Unsupervised DNA methylation analysis separated PitNETs into two major clusters. The first was composed of silent gonadotrophs, which form a biologically distinct group of PitNETs characterized by clinical silencing, weak hormonal expression on immunohistochemistry, and simple copy number profile. The second major cluster was composed of corticotrophs and Pit1 lineage PitNETs, which could be further classified using DNA methylation into distinct subclusters that corresponded to clinically functioning and silent tumors and are consistent with transcription factor expression. Analysis of promoter methylation patterns correlated with lineage for corticotrophs and Pit1 lineage subtypes. However, the gonadotrophic genes did not show a distinct promoter methylation pattern in gonadotroph tumors compared to other lineages. Promoter of the NR5A1 gene, which encodes SF1, was hypermethylated across all PitNETs clinical and molecular subtypes including gonadotrophs with strong SF1 protein expression indicating alternative epigenetic regulation.</p><p><strong>Conclusion: </strong>Our findings suggest that classification of PitNETs may benefit from DNA methylation for clinicopathological stratification.</p>","PeriodicalId":19377,"journal":{"name":"Neuro-oncology","volume":" ","pages":""},"PeriodicalIF":16.4,"publicationDate":"2025-04-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144013041","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Neuro-oncologyPub Date : 2025-04-28DOI: 10.1093/neuonc/noaf108
Ogechukwu A Asogwa, Linda Dirven, Tobias Walbert, Terri S Armstrong, David Arons, Martin J van den Bent, Jaishri Blakeley, Marijke B Coomans, Paul D Brown, Helen Bulbeck, Susan M Chang, Corneel Coens, Mark R Gilbert, Robin Grant, Rakesh Jalali, Johan A F Koekkoek, Pankaj Kumar Panda, Danielle Leach, Heather Leeper, Tito Mendoza, Lakshmi Nayak, Kathy Oliver, Jaap C Reijneveld, Emilie Le Rhun, Larry Rubinstein, Jennie W Taylor, Michael Weller, Patrick Y Wen, Martin J B Taphoorn
{"title":"Establishing the content validity of Patient-Reported Outcome measures used in neuro-oncology based on the WHO ICF framework: part of the RANO-PRO initiative.","authors":"Ogechukwu A Asogwa, Linda Dirven, Tobias Walbert, Terri S Armstrong, David Arons, Martin J van den Bent, Jaishri Blakeley, Marijke B Coomans, Paul D Brown, Helen Bulbeck, Susan M Chang, Corneel Coens, Mark R Gilbert, Robin Grant, Rakesh Jalali, Johan A F Koekkoek, Pankaj Kumar Panda, Danielle Leach, Heather Leeper, Tito Mendoza, Lakshmi Nayak, Kathy Oliver, Jaap C Reijneveld, Emilie Le Rhun, Larry Rubinstein, Jennie W Taylor, Michael Weller, Patrick Y Wen, Martin J B Taphoorn","doi":"10.1093/neuonc/noaf108","DOIUrl":"https://doi.org/10.1093/neuonc/noaf108","url":null,"abstract":"<p><strong>Background: </strong>Instruments to assess patient-reported outcomes (PRO) should generate high-quality evidence. Reliable PRO evidence is essential to policymakers, in conjunction with outcomes such as survival and radiological response, to understand the net clinical benefit of antitumor treatments. This study aimed to establish the content validity of 215 identified PRO measures used in patients with brain tumors.</p><p><strong>Methods: </strong>A survey (n = 148 items) was developed reflecting aspects of the WHO International Classification of Functioning, Disability, and Health (ICF) framework. Patients with brain tumors, their proxies, and healthcare providers (HCPs) were asked to rate each survey item on relevance. An item was considered a relevant issue if ≥25% of the patients, proxies, or ≥50% of the HCPs considered that item to be an issue. Next, all items in the identified PRO measures were linked to ICF and relevant items in the survey, and the percentage of content coverage was calculated.</p><p><strong>Results: </strong>In total, 114 patients, 71 proxies, and 65 HCPs from different countries completed the survey. Fifty-six of 148 (37.8%) items in the survey were considered relevant. The most important aspects mentioned by both patients and proxies were difficulty concentrating, difficulty remembering, multitasking, and handling stress. Depending on the definition, between 35% and 49% of PRO measures were considered to have sufficient content validity (≥80% coverage).</p><p><strong>Conclusion: </strong>The content validity was insufficient in more than half of the identified PRO measures, particularly multidimensional measures. Future research should investigate whether different approaches to PRO assessment better meet the needs of all stakeholders.</p>","PeriodicalId":19377,"journal":{"name":"Neuro-oncology","volume":" ","pages":""},"PeriodicalIF":16.4,"publicationDate":"2025-04-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144034129","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}