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Brain-wide neuronal circuit connectome of human glioblastoma.
Nature
January 2025
Department of Neuroscience and Mahoney Institute for Neurosciences, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA.
Glioblastoma (GBM) infiltrates the brain and can be synaptically innervated by neurons, which drives tumor progression. Synaptic inputs onto GBM cells identified so far are largely short-range and glutamatergic. The extent of GBM integration into the brain-wide neuronal circuitry remains unclear.
View Article and Find Full Text PDFAI-driven automated discovery tools reveal diverse behavioral competencies of biological networks.
Elife
January 2025
Allen Discovery Center, Tufts University, Medford, United States.
Many applications in biomedicine and synthetic bioengineering rely on understanding, mapping, predicting, and controlling the complex behavior of chemical and genetic networks. The emerging field of diverse intelligence investigates the problem-solving capacities of unconventional agents. However, few quantitative tools exist for exploring the competencies of non-conventional systems.
View Article and Find Full Text PDFCystic Basal Cell Carcinoma with a Giant Vulvar Cyst.
Acta Dermatovenerol Croat
November 2024
Takayuki Suyama, MD, PhD, Department of Dermatology, Dokkyo Medical University Saitama Medical Center, 2-1-50 Minami-koshigaya, Koshigaya, Saitama, 343-8555, Japan; ORCID ID: 0000-0002-6986-411X.
Cystic basal cell carcinoma (BCC) is a rare subtype of BCC (1). Histologically, it is usually characterized by multiple small cysts without a clinical cystic appearance (2). Herein, we report an unusual case of cystic BCC with a large vulvar cyst.
View Article and Find Full Text PDFWeight Transfer in the Reinforcement Learning Model of Songbird Acquisition.
bioRxiv
December 2024
Cold Spring Harbor Laboratory, Cold Spring Harbor, NY, USA.
Song acquisition behavior observed in the songbird system provides a notable example of learning through trial- and-error which parallels human speech acquisition. Studying songbird vocal learning can offer insights into mechanisms underlying human language. We present a computational model of song learning that integrates reinforcement learning (RL) and Hebbian learning and agrees with known songbird circuitry.
View Article and Find Full Text PDFThe medial habenula (MHb)-interpeduncular nucleus (IPN) pathway plays an important role in information transferring between the forebrain and the midbrain. The MHb-IPN pathway has been implicated in the regulation of fear behavior and nicotine addiction. The synapses between the ventral MHb and the IPN show a unique property, i.
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