Results 41 to 50 of about 20,989 (216)

The history of astronomy in the books of natural sciences fo the final years of fundamental teaching in PNLD 2017-2019

, 2020
Compreender a Astronomia é mais do que olhar para o conhecimento atual, é também entender como esse conhecimento se desenvolveu. Por isso a História da Astronomia (H-Astro) é imprescindível para a compreensão da construção do conhecimento pelos sujeitos.
Almeida, Adelves de Sousa, Menezes, Maria Cilene Freire de   +1 more
openaire   +1 more source

An Activity‐Dependent NEPAS–PTX3 Axis Links Neurovascular and Myelin Deficits to Cognitive Impairment

Advanced Science, EarlyView.
An activity‐dependent pathway links prefrontal circuit hypoactivity to cognitive impairment. Reduced PVA–mPFC activity upregulates NEPAS, which suppresses PTX3 secretion, leading to impaired angiogenesis, myelin deficits, and memory decline. Rescue is achieved by NEPAS knockdown or chemogenetic circuit activation.
Boya Hu, Zifei Chen, Bingmei Sun, Jiale Gao, Jiale Xu, Xiaochun Guo, Fenfei Gao, Zhongsi Wang, Jie Wu, Xiaoyu Ji, Peipei Liu, Bing Huang   +11 more
wiley   +1 more source

Uso de biomarcadores geoquímicos na avaliação de contaminação antropogênica na enseada de Porto Belo, SC [PDF]

, 2009
TCC (graduação) - Universidade Federal de Santa Catarina, Centro de Ciências Físicas e Matemáticas, Curso de Química.O objetivo principal deste estudo foi avaliar possíveis contaminações na Enseada de Porto Belo - SC em virtude do grande afluxo de ...
Vecchia, Isadora Dalla
core  

RBM10 Deficiency Promotes Anti‐PD‐1 Resistance in LUAD via STING Alternative Splicing‐Driven CCL7 Signaling and Macrophage Polarization

Advanced Science, EarlyView.
RBM10 deficiency promotes anti‐PD‐1 resistance in lung adenocarcinoma by altering STING alternative splicing, which enhances CCL7 secretion and CCR2‐dependent M2 macrophage polarization. A positive feedback loop via mitochondrial transfer sustains this immunosuppression.
Weitong Gao, Ruqiong Wang, Bo An, Lishuang Qi, Zihan Jing, Xingmei Ren, Yang Zhou, Mingjun Xu, Jiaojiao Li, Jie Liu, Liying Wang, Gang Xu, Rou Li, Dexin Jia, Yan Yu   +14 more
wiley   +1 more source

AIF1+CSF1R+ MSCs, induced by TNF‐α, act to generate an inflammatory microenvironment and promote hepatocarcinogenesis

Hepatology, EarlyView., 2022
Mesenchymal stem cells subset, educated by TNF‐α, are involved to generate inflammatory microenvironment and promote hepatocarcinogenesis Abstract Background and Aims Increasing evidence suggests that mesenchymal stem cells (MSCs) home to injured local tissues and the tumor microenvironment in the liver.
Chen Zong, Yan Meng, Fei Ye, Xue Yang, Rong Li, Jinghua Jiang, Qiudong Zhao, Lu Gao, Zhipeng Han, Lixin Wei   +9 more
wiley   +1 more source

Forecasting Landslides via Three-Dimensional Discrete Element Modeling: Helong Landslide Case Study

, 2019
Forecasting the occurrence potential of landslides is important but challenging. We aimed to forecast the failure potential of the Helong landslide, which is temporarily stable but has clearly deformed in recent years.
Jiaxuan Sui, Ying Hu, Wei Peng, Yiding Bao, Chongjia Yu, Shengyuan Song   +5 more
core   +1 more source

Astrocytic Phenotypic Switching in Posterior Piriform Cortex Orchestrates Bone Cancer Pain–Depression Comorbidity via Purinergic–Noradrenergic Signaling

Advanced Science, EarlyView.
Bone cancer pain and depression share a common origin: astrocytic A2‐to‐A1 transition in the posterior piriform cortex. This phenotypic shift disrupts the ATP–adenosine–A2AR–norepinephrine axis, simultaneously driving nociceptive and affective dysfunction.
Jiang‐Ping Liu, Jun‐Han Zhang, Zhi‐Xuan Tan, Wei‐Bing Yan, Ya‐Ru Yuan, Yao Liu, Bing‐Di Wei, Meng‐Qi Ding, Zhuo‐Min Fu, Ying Liu, An‐Qi Wang, Lin Ma, Yong‐Hong Li, Er‐Qing Chai, Chao‐Jun Wei   +14 more
wiley   +1 more source

Smart Nanotechnologies for Multimodal Neuromodulation and Brain Interfacing

Advanced Science, EarlyView.
Recent advances in smart nanotechnologies are expanding the toolbox for brain interfacing, from wireless neuromodulation and high‐resolution sensing to targeted delivery within the central nervous system. By combining responsive nanomaterials with bioinspired design, these platforms enable multimodal interactions with neurons and glia, while also ...
Tommaso Curiale, Marie Celine Lefevre, Alessio Carmignani, Maria Cristina Ceccarelli, Matteo Battaglini, Attilio Marino, Gianni Ciofani   +6 more
wiley   +1 more source

Circadian rhythmicity and light sensitivity of the zebrafish brain

, 2013
Light is important for entraining circadian rhythms, which regulate a wide range of biological processes. Zebrafish have directly light responsive tissues (Whitmore et al 2000) and are thus a useful vertebrate model for circadian rhythmicity and light ...
Moore, HA
core  

Nanoscale Secondary Ion Mass Spectrometry for Quantifying Membrane Fouling: Fouling Layer Structure and Chemical Interaction

Advanced Science, EarlyView.
Nanoscale secondary ion mass spectrometry (Nano SIMS) is established as a powerful analytical tool to visualize and quantify the membrane fouling layers. ABSTRACT Membrane technology has garnered considerable attention for applications in wastewater treatment and resource recovery. Nevertheless, membrane fouling remains a major barrier, yet the lack of
Mengfei Wu, Xinhua Wang, Pin Zhao, Weilong Song, Ming Xie   +4 more
wiley   +1 more source