Results 61 to 70 of about 117,695 (339)

γ-H2AX foci as in vivo effect biomarker in children emphasize the importance to minimize x-ray doses in paediatric CT imaging [PDF]

open access: yes, 2014
Objectives: Investigation of DNA damage induced by CT x-rays in paediatric patients versus patient dose in a multicentre setting. Methods: From 51 paediatric patients (median age, 3.8 years) who underwent an abdomen or chest CT examination in one of the
A. De Backer   +9 more
core   +2 more sources

ETV1 Drives CD4+ T Cell‐Mediated Intestinal Inflammation in Inflammatory Bowel Disease Through Amino Acid Transporter Slc7a5

open access: yesAdvanced Science, EarlyView.
This study identifies the transcription factor ETV1 as a key driver of CD4⁺ T cell‐mediated intestinal inflammation in inflammatory bowel disease (IBD). ETV1 promotes CD4⁺ T cell activation, proliferation, and Th17 differentiation by activating the amino acid transporter SLC7A5, fueling metabolic reprogramming.
Yan Shi   +8 more
wiley   +1 more source

Investigation of the expression of P53 gene in bystander cells after therapeutic ultrasound exposure

open access: yesFiyz̤, 2019
Background: Bystander effect is defined as biological responses observed in cells that are not exposed to radiation directly but these radiation effects are induced through messages from irradiated cells.
Rezaei M   +4 more
doaj  

Radiation-induced Bystander Effect (RIBE) alters mitochondrial metabolism using a human rectal cancer ex vivo explant model

open access: yesTranslational Oncology, 2021
Locally advanced rectal cancer is treated with neoadjuvant-chemoradiotherapy, however only 22% of patients achieve a complete response. Resistance mechanisms are poorly understood.
Aisling B. Heeran   +16 more
doaj   +1 more source

Dynamics of Helping Behavior and Networks in a Small World

open access: yes, 2006
To investigate an effect of social interaction on the bystanders' intervention in emergency situations a rescue model was introduced which includes the effects of the victim's acquaintance with bystanders and those among bystanders from a network ...
A. T. Bernardes   +9 more
core   +1 more source

Proteogenomic Characterization Reveals Subtype‐Specific Therapeutic Potential for HER2‐Low Breast Cancer

open access: yesAdvanced Science, EarlyView.
Multiomic profiling of HER2‐low breast cancer identifies three proteomic subtypes with distinct therapeutic strategies: endocrine, antiangiogenic, and anti‐HER2 therapies. Genomic and lactate modification landscapes are detailed, providing insights for precise management.
Shouping Xu   +20 more
wiley   +1 more source

To Ignore, to Join in, or to Intervene? Contextual and Individual Factors Influencing Cyber Bystanders’ Response to Cyberbullying Incidents

open access: yesChildren
Background/Objectives: Cyber bystanders can choose from several different strategies during cyberbullying incidents and have a significant effect on the situation.
Nikolett Arató   +2 more
doaj   +1 more source

DNA damage and survival in bystander human intestinal cells treated with conditioned medium from tritium-labeled cells

open access: yesJournal of Radiation and Cancer Research, 2020
Background: Tritium exposure could be one of the radiation hazards in case of accidental exposure with intestine as one of the major target organs. In the cells, low-energy beta emitted from tritium would traverse a very short distance (a few microns ...
Manjoor Ali   +2 more
doaj   +1 more source

Bystander B cells rapidly acquire antigen receptors from activated B cells by membrane transfer: a novel mechanism for enhancing specific antigen presentation [PDF]

open access: yes, 2007
The B cell antigen receptor (BCR) efficiently facilitates the capture and processing of a specific antigen for presentation on MHC class II molecules to antigen specific CD4+ T cells (1).
Ben J. C. Quah   +5 more
core   +2 more sources

Endocytic Control of Cell‐Autonomous and Non‐Cell‐Autonomous Functions of p53

open access: yesAdvanced Science, EarlyView.
NUMB Ex3‐containing isoforms localize to the plasma membrane, where they recruit p53 through SNX9 and direct it to multivesicular bodies and exosomes. Exported p53 is taken up by neighboring cells and activates nuclear programs, revealing an intercellular, exosome‐based pathway that might help establish a tumor‐suppressive microenvironment.
Roberta Cacciatore   +20 more
wiley   +1 more source

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