Immunology

Lymph nodes with location memory

Regulatory T cells (or "Tregs" for short) play a central role in the human immune system: They guide all of the other immune cells and make sure they are tolerant of the body's own cells and harmless foreign substances. How ...

Diseases, Conditions, Syndromes

MRSA strain in humans originally came from cattle, research says

A strain of bacteria that causes skin and soft tissue infections in humans originally came from cattle, according to a study to be published in mBio, the online open-access journal of the American Society for Microbiology. ...

Diseases, Conditions, Syndromes

Novel bacterium linked to cord colitis syndrome

(HealthDay)—A novel bacterium is associated with cord colitis syndrome, a complication of umbilical-cord hematopoietic stem-cell transplantation, according to a study published in the Aug. 8 issue of the New England Journal ...

Medical research

How Legionella subverts to survive

(Medical Xpress)—Bacteria of the genus Legionella have evolved a sophisticated system to replicate in the phagocytic cells of their hosts. LMU researchers have now identified a novel component of this system.

Autism spectrum disorders

Clues about autism may come from the gut

Bacterial flora inhabiting the human gut have become one of the hottest topics in biological research. Implicated in a range of important activities including digestion, fine-tuning body weight, regulating immune response, ...

Immunology

Live and let die: Protein prevents immune cell suicide

A protein called c-FLIP-R is critical to immune cell survival: If this molecule is missing, the cells kill themselves – and are thus no longer able to perform their job fighting off invaders. Now, scientists at the Helmholtz ...

Medical research

New discovery in fight against deadly meningococcal disease

Professor Michael Jennings, Deputy Director of the Institute for Glycomics at Griffith University, was part of an international team that discovered the previously unknown pathway of how the bacterium colonizes people.

Diseases, Conditions, Syndromes

Novel mechanism allows Legionella to hide in body

(Medical Xpress)—The feared Legionella pneumophila is responsible for legionellosis, an infectious disease that can lead to pneumonia. To infect humans, this pathogen has developed a complex method that allows it to camouflage ...

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