Results 121 to 130 of about 39,376 (282)

Stage‐Specific H3K14 and H3K23 Succinylation Orchestrates Insect Metamorphosis and Oogenesis

open access: yesAdvanced Science, EarlyView.
Stage‐specific succinylation of histone H3 at lysine 14 and 23 differentially controls insect metamorphosis and oogenesis through distinct GPCR‐PKC signaling cascades, revealing an evolutionarily conserved epigenetic mechanism that coordinates key life‐history traits.
Yu‐Pu Jing   +9 more
wiley   +1 more source

ECHO DOPPLER DUPLEX SCANNER AND COLOR IN THE STUDY OF PORTAL-HYPERTENSION

open access: yes, 1991
In the present state of the art, the Doppler duplex scanner provides much information about portal hypertension and its associated pathology, liver cirrhosis, hepatic malformations, vascular or avascular structures, hepatic transplants, and ascites.
BUONAMICO P, SABBA', Carlo
core   +1 more source

Asymmetrically Coordinated Dual‐Atom Manganese Contrast Agents Enabling High‐Efficiency T1 Enhanced MRI for Precise Tumor Visualization

open access: yesAdvanced Science, EarlyView.
A novel dual‐atom manganese MRI contrast agent (Mn‐BN) with a unique asymmetric coordination geometry provided a promising platform for sensitive and specific tumor imaging. In mice model, Mn‐BN nanoparticles precisely functioned as both a primary tumor‐specific enhancer in subcutaneous models and a hepatocyte‐specific agent in liver metastases models ...
Ding Yang   +13 more
wiley   +1 more source

In vivo sodium MR imaging of the abdomen at 3T

open access: yes, 2015
URPOSE: Transmembrane sodium ((23)Na) gradient is critical for cell survival and viability and a target for the development of anti-cancer drugs and treatment as it serves as a signal transducer.
Lin, Chen   +5 more
core   +1 more source

Sulfated Cyclocarya Paliurus Polysaccharide Sorchestrates the Gut Microbiome to Mobilize a Host‐Derived 12‐HEPE Against Ulcerative Colitis

open access: yesAdvanced Science, EarlyView.
A sulfated polysaccharide (SCP) from Cyclocarya paliurus alleviates ulcerative colitis by reshaping the gut microbiome. This remodeled microbiota orchestrates the upregulation of the host‐derived lipid 12‐HEPE, which directly inhibits the TLR4/NF‐κB pathway to suppress inflammation.
Xianxiang Chen   +11 more
wiley   +1 more source

Simulation d'images échographiques à partir de données scanner x

open access: yes, 2005
L'objectif de notre travail est de proposer une méthode rapide de simulation d'images échographiques à partir des informations contenues dans un volume abdominal acquis en scanner X.
LAGUITTON, S.   +2 more
core  

Abdominal Pain, the Adolescent and Altered Brain Structure and Function.

open access: yes, 2016
Irritable bowel syndrome (IBS) is a functional gastrointestinal (GI) disorder of unknown etiology. Although relatively common in children, how this condition affects brain structure and function in a pediatric population remains unclear.
Wu, Rina   +29 more
core   +1 more source

Bandgap‐Engineered PtxTey:Ag2Te Composite Quantum Dots Enable Programmable NIR‐II Imaging and Photothermal‐Immune Synergistic Therapy

open access: yesAdvanced Science, EarlyView.
A bandgap‐engineered PtxTey:Ag2Te quantum dot platform enables tunable NIR‐IIb emission for deep‐tissue imaging and mild photothermal therapy. Conjugation with αPD‐L1 confers dual tumor targeting and real‐time monitoring of PD‐L1 dynamics. Mild photothermal modulation induces immune reprogramming, enhancing checkpoint blockade efficacy and achieving ...
Jing Liu   +9 more
wiley   +1 more source

Artificial Intelligence‐Based Body Composition Analysis Reveals Sex‐Specific Prognostic Markers and Their Clinical Value in Gastric Cancer: A Multicenter Study

open access: yesAdvanced Science, EarlyView.
This study applied AI to quantify multidimensional body composition from CT images in gastric cancer and healthy controls. Distinct sex‐specific patterns and disease‐related alterations were identified and were associated with survival. Higher muscle and fat measures were linked to improved outcomes.
Tianxiang Li   +13 more
wiley   +1 more source

Evaluation of Organ Doses to Female Reproductive System During Abdominal CT Imaging: A Phantom Study

open access: yesİstanbul Medical Journal
Introduction: This study aimed to determine the absorbed radiation doses in radiosensitive female pelvic organs during abdominal computed tomography (CT) imaging using thermoluminescent dosimeters (TLD-100) and an anthropomorphic phantom.
Duygu Tunçman Kayaokay   +6 more
doaj   +1 more source

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