Tag Archive for 'T-cell'

An illustration of an adult male woolly mammoth (Mammuthus primigenius) navigates a mountain pass in Arctic Alaska, 17,100 years ago. Image credit: James Havens / University of Alaska Museum of the North.

Woolly Mammoths Carried Highly Evolved Genes Related to Hair, Skin, Fat Metabolism, and Immunity

Apr 10, 2023 by News Staff

In new research, scientists analyzed 23 ancient genomes of woolly mammoths (Mammuthus primigenius), including one of the oldest known specimens at 700,000...

Scanning electron micrograph of an HIV-infected H9 T cell. Image credit: NIAID.

Second HIV Patient Naturally Achieved ‘Sterilizing Cure of Infection,’ Researchers Say

Nov 19, 2021 by News Staff

A 30-year-old woman from the city of Esperanza, Argentina — the so-called Esperanza Patient — appears to be the second person whose immune...

Genomic analyses of wildtype and TET-deficient Treg cells, and iTreg cells treated with the TET activator vitamin C, show that TET proteins are essential for the maintenance of Treg signatures and IL-2/STAT5 signaling. Image credit: Yue et al., doi: 10.15252/embr.202152716.

Vitamin C is Key Ingredient for Immune Cell Function, Study Shows

Jul 22, 2021 by News Staff

Regulatory T cells (Tregs) help control inflammation and autoimmunity in the body. These cells are so important that scientists are working to generate...

Scanning electron micrograph of a human T cell. Image credit: NIAID.

Biologists Discover New Type of T Cell

Mar 26, 2021 by News Staff

Biologists have analyzed T cells from the gray short-tailed opossum (Monodelphis domestica) and uncovered a previously unknown lineage, called γµ T cells,...

Eating 200 g of blueberries every day for a month can lead to an improvement in blood vessel function and a decrease in systolic blood pressure in healthy people. Image credit: Free-Photos.

Blueberry Compound Could Help Treat Inflammatory Bowel Disease

Sep 30, 2020 by News Staff

Pterostilbene, a resveratrol-related polyphenolic compound found in blueberries, has strong immunosuppressive properties, according to a study published...

This high-resolution scanning electron microscope image shows an unusual tube-like structural form that is less than 1/100th the width of a human hair in size found in the Martian meteorite ALH84001. Image credit: NASA.

Immune System of Humans, Other Mammals Could Struggle to Fight Extraterrestrial Microorganisms

Jul 23, 2020 by News Staff

In a new study published in the journal Microorganisms, a team of researchers from the UK, the Netherlands and Germany tested how mammalian immune cells...

This image illustrates the beginning stages of an influenza infection and shows what happens after the influenza viruses enter the human body. Image credit: Centers for Disease Control and Prevention.

Ketogenic Diet Protects against Influenza A Virus Infection, Animal Study Finds

Nov 19, 2019 by News Staff

A new study led by Professor Akiko Iwasaki of the Howard Hughes Medical Institute and Professor Vishwa Deep Dixit from Yale School of Medicine shows that...

tBHQ, at a dose relevant to human diet, impairs the primary and memory immune responses to influenza infection. Image credit: C. S. Goldsmith & A. Balish / CDC.

Widely-Used Food Additive E319 Impairs Immune Responses to Influenza Infection

Apr 8, 2019 by News Staff

A common food additive called tert-butylhydroquinone (E319) suppresses the immune response the body mounts when fighting the flu; it also reduces the effectiveness...

This diagram shows how the effects of Gαs-coupled agonists on T cells can be influenced by sleep or disease. Image credit: Dimitrov et al, doi: 10.1084/jem.20181169.

Study: Sleep Improves Ability of Human Immune Cells to Bind to Their Targets

Feb 18, 2019 by News Staff

A new study published online in the Journal of Experimental Medicine describes how sleep can fight off an infection, whereas other conditions, such as...

This transmission electron microscopic image depicts numbers of cytomegalovirus virions. Image credit: Sylvia Whitfield / CDC.

Study: Cytomegalovirus Infection May Enhance Immune System

Jul 3, 2018 by News Staff

In search of a way to rejuvenate the immune system of older adults, a team of scientists from the University of Arizona College of Medicine and elsewhere...

Walton et al describe how acidity makes oxygen-starved cancer cells dormant and drug resistant. Image credit: Walton et al, doi: 10.1016/j.cell.2018.05.009.

Baking Soda Could Improve Cancer Therapy

Jun 6, 2018 by News Staff

Cells enter a state of dormancy as tissues starved of oxygen become increasingly acidic, according to a new study. Published in the journal Cell, the study...

Trompette et al report that a diet rich in the fermentable fiber inulin and SCFAs improve the response of mice to influenza infection by dampening deleterious immunopathology caused by neutrophils while enhancing anti-viral CD8+ T cell responses through a boost in T cell metabolism. Image credit: Trompette et al, doi: 10.1016/j.immuni.2018.04.022.

Dietary Fiber Increases Survival in Influenza-Infected Mice, Study Shows

May 16, 2018 by News Staff

According to a new preclinical study by researchers from the University of Lausanne and Monash University, a diet rich in fiber blunts harmful immune responses...

Super-resolution microscopy of GapmeR co-localization with SNX5 protein -- a member of the sorting nexin family of proteins -- in human T-cells. Image credit: Fazil, M. H. U. T. et al, doi: 10.1038/srep37721.

Researchers Develop New Method for Silencing Specific Genes in Human T-Cells

Nov 30, 2016 by News Staff

An international team of researchers led by Nanyang Technological University, Singapore, has developed a novel technique for gene silencing in human T-lymphocytes...