Results 121 to 130 of about 311,522 (275)

Two‐Photon Polymerized Microvascular Environments for Multicellular Modeling of the Blood–Brain Tumor Barrier

Advanced Materials Technologies, EarlyView.
Modeling the blood–brain tumor barrier is challenging due to complex interactions between brain microvasculature and glioma cells. We present two‐photon polymerized 3D micro‐porous capillary‐like structures that support endothelial alignment, cytoskeletal organization, and pericyte‐endothelial‐glioma tri‐cultures.
Nastaran Barin, Sayba Z. Chowdhury, Maurice de Wit, Rania Head, Kiki Bals, Erwin Brosens, Marvin M. van Luijn, Hayri E. Balcioglu, Angelo Accardo, Pim J. French   +9 more
wiley   +1 more source

Predicting Macrophage Spatial Localization from Single‐Cell Transcriptomes to Uncover Disease Mechanisms

Advanced Science, EarlyView.
This study presents a machine‐learning framework entitled MERLIN that infers the microanatomical localization of macrophages from single‐cell transcriptomic data in structured organs such as the kidney and brain. Applying this method to existing datasets from models of acute kidney injury and diabetic nephropathy uncovered spatially resolved insights ...
Junping Yin, Qi Mei, Hans‐Joachim Paust, Ning Song, Yu Zhao, Daniela Klaus, Melanie Eichler, Yijun Hua, Jie Qin, Weiting Cheng, Christina K. Weisheit, Veronika Lukacs‐Kornek, Isis Ludwig‐Portugall, Sibylle von Vietinghoff, Christian F. Krebs, Johanna Klughammer, Ulf Panzer, Christian Kurts, Jian Li   +18 more
wiley   +1 more source

Sex-specific effects of microbiome perturbations on cerebral Aβ amyloidosis and microglia phenotypes. [PDF]

, 2019
We demonstrated that an antibiotic cocktail (ABX)-perturbed gut microbiome is associated with reduced amyloid-β (Aβ) plaque pathology and astrogliosis in the male amyloid precursor protein (APP)SWE /presenilin 1 (PS1)ΔE9 transgenic model of Aβ ...
Baufeld, Caroline, Butovsky, Oleg, Dodiya, Hemraj B, Gilbert, Jack A, Gottel, Neil, Kuntz, Thomas, Leibowitz, Jeffrey, Shaik, Shabana M, Sisodia, Sangram S, Zhang, Xiaoqiong, Zhang, Xulun   +10 more
core   +1 more source

RIG‐I Mediated Neuron‐Specific IFN Type 1 Signaling in FUS‐ALS Induces Neurodegeneration and Offers New Biomarker‐Driven Individualized Treatment Options for (FUS‐)ALS

Advanced Science, EarlyView.
Using iPSC‐derived motoneurons and postmortem tissue from FUS‐ALS patients, it is demonstrated that increased mitochondrial transcription leads to elevated cytosolic double‐stranded RNA (dsRNA) levels. This aberrant accumulation activates a RIG‐I–dependent innate immune response leading to neurodegeneration, which is amenable for FDA‐ and EMA‐approved ...
Marcel Naumann, Theresa M. Wierschin, Stefanie Kretschmer, Banaja P. Dash, Aaron Held, Andrea Salzinger, Kevin Peikert, Anže Karlek, Hannes Glaß, Dajana Großmann, René Günther, Susanne Petri, Annekathrin Rödiger, David Brenner, Francisco Pan‐Montojo, Eleonora Aronica, Markus Kipp, Vitaly Zimyanin, Jared Sterneckert, Torsten Grehl, Noah D. Seebacher, Tobias M. Böckers, Alberto Catanese, Brian J. Wainger, Patrick Oeckl, Min Ae Lee‐Kirsch, Andreas Hermann   +26 more
wiley   +1 more source

DRD2 Deficiency Underlies Pituitary Adenoma Dependent on Escherichia coli Translocation from the Gut

Advanced Science, EarlyView.
Dopamine receptor D2 (DRD2) deficiency disrupts epithelial barrier integrity in both the gut and pituitary gland, facilitating translocation of gut‐derived Escherichia coli into pituitary tissue. Intratumoral E. coli are phagocytosed by microglia, triggering GSDMD‐dependent pyroptosis and HMGB1 release, which subsequently activates MAPK signaling to ...
Xian‐jun Su, Li Ma, Xi Xiong, Jun‐hua Meng, Qi Wu, Yu Zhang, Shu‐guang Dong, Yue‐fei Wang, Jin‐hu Wu, Qing‐yuan Zeng, Hong‐feng Zhang, Li‐li Li, Liang Meng, Min Peng, Xiao‐dong Huang, Li‐quan Wu, Xiong Wang   +16 more
wiley   +1 more source

Midbrain PAG Astrocytes Modulate Mouse Defensive and Panic‐Like Behaviors

Advanced Science, EarlyView.
Astrocytes in the midbrain periaqueductal gray (PAG) dynamically encode threat intensity and shape defensive action selection in mice. Real‐time Ca2+ imaging reveals robust astrocytic activation during predator odor and CO2 exposure. Aberrant astrocytic Ca2+ overactivation disrupts goal‐directed escape, biases behavior toward freezing, and induces ...
Ellane Barcelon, Kyungchul Noh, Minkyu Hwang, Yoon‐Jung Kim, Unjin Lee, Yeon Joo Ryu, Je‐Kyung Ryu, Sang Beom Jun, Se‐Young Choi, Woo‐Hyun Cho, Sung Joong Lee   +10 more
wiley   +1 more source

Astrocyte Enrichment of 3D Cortical Constructs Enhances Brain Repair

Advanced Science, EarlyView.
This study highlights the role of astrocytes in supporting neural progenitor cell survival and differentiation after traumatic brain injury. Astrocytes enhanced neuronal differentiation, improved cell survival in co‐cultures, and promoted integration of microfluidics‐based implants with host tissue following implantation. Additionally, increased axonal
Elisa M. Cruz, Luana C. Soares, Gretchen Greene, Fernando Messore, Mohammed Abuelem, Mingyu Li, Caroline Andersen, Mirriam Domocos, Elisa Vitiello, Rabeah Abdul Razak, Marlene Lawston, Gabriel Moser, Talia Vasaturo‐Kolodner, Mona Barkat, Roslyn M. Bill, Edward Mann, Linna Zhou, Mootaz M. Salman, Hagan Bayley, Zoltán Molnár, Francis G. Szele   +20 more
wiley   +1 more source

Gut Microbiota‐Derived Anandamide Mediates the Therapeutic Effects of Urolithin A on Alcohol‐Induced Cognitive and Social Dysfunction via CB1R‐DRD2‐RAP1 Signaling Axis

Advanced Science, EarlyView.
This study reveals that Urolithin A (UA) counteracts alcohol‐induced cognitive and social dysfunction (AICSD) via a gut microbiome‐dependent mechanism. UA‐enriched Bacteroids sartorii and Parabacteroids distasonis elevate anandamide (AEA), which activates the CB1R‐DRD2‐Rap1 signaling cascade to drive synaptic repair and reduce neuroinflammation ...
Hongbo Zhang, Zibin Li, Yao Xiao, Ji Bian, Caian He, Chao Liu, Lan Gong, Lin Han, Zhigang Liu, Min Wang   +9 more
wiley   +1 more source

Microglia undergo sex-dimorphic transcriptional and metabolic rewiring during aging

Journal of Neuroinflammation
Microglia, the brain’s resident macrophages, maintain brain homeostasis and respond to injury and infection. During aging they undergo functional changes, but the underlying mechanisms and their contributions to neuroprotection versus neurodegeneration ...
Seokjo Kang, Emily Y. Ko, Amelia E. Andrews, Juliana E. Shin, Karina J. Nance, Pijus K. Barman, Peter S. Heeger, Willard M. Freeman, Bérénice A. Benayoun, Helen S. Goodridge   +9 more
doaj   +1 more source

Microglia Mitochondria Support Neuronal Maturation via Metabolic and Transcriptional Reprogramming in Human 3D In Vitro Brain Model

Advanced Science, EarlyView.
xx xx. ABSTRACT Autism Spectrum Disorder (ASD) is a neurodevelopmental condition characterized by disrupted neuronal circuit maturation. Emerging evidence implicates microglial function and mitochondrial regulation as contributors to ASD‐associated biology, yet the mechanisms linking these processes to neuronal development remain poorly defined ...
Sydney P. Sterben, Charitha C. Anamala, Sahan B. S. Kansakar, Vaishnavi Koduri, Volha Liaudanskaya   +4 more
wiley   +1 more source