Sentences with phrase «infection invade cells»

But in some cases, the theory goes, leftover antibodies from the first illness can actually help the second infection invade cells, increasing the risk of severe dengue disease.

Not exact matches

However, under certain conditions, Salmonella can subsequently cause a potentially lethal systemic typhoidal infection when they invade the underlying immune cells.

During infection, parasites invade and replicate within red blood cells.

When the virus tries to invade a cell that is «at rest,» the infection is aborted.

Given the millions of cells all simultaneously producing proteins to combat an infection, it's very long odds against any given invading bacterium ever gaining a foothold.

When the body encounters an infection, a molecular signaling system ramps up the body's infection - fighting system to produce more white blood cells to attack invading bacteria.

As more reports appear of a grim «post-antibiotic era» ushered in by the rise of drug - resistant bacteria, a new strategy for fighting infection is emerging that targets a patient's cells rather than those of the invading pathogens.

If infection manages to take hold, the immune system creates specialized cells to combat the specific invading pathogen.

While the regulatory landscapes of ILCs are primed for a quick defense upon infection, those of T cells are minimally prepared when the pathogen invades.

The new technique, pioneered by Wilson and fellow researchers at the Emory University School of Medicine in Atlanta, saves time by using antibodies produced by so - called B cells (white blood cells that produce and then ferry them to infection sites to battle invading germs) in response to vaccines instead of to actual infections.

In battling infections, the body's immune system produces both B cells, which make antibodies to neutralize the invading pathogen, and T cells which directly destroy the virus.

During inflammatory responses due to infection, trauma, or cancer, the body's immune system becomes highly activated in an attempt to fend off invading organisms, foreign bodies, or tumor cells.

As part of the body's normal, healthy immune response to infection, the barrier formed by blood vessel cells temporarily loosens, allowing white blood cells to exit the bloodstream and attack the invading bacteria or virus, Rehman said.

For instance, the team uncovered a new type of chemical - sensing tuft cell (which helps alert the immune system to infection or other forms of injury) that displayed markers previously thought to be exclusive to immune cells and which may help sound the alarm about allergens and invading parasites.

PULLMAN, Wash. — A study has found that a cellular syringe - like device used to invade intestinal cells also acts as a traffic cop — directing bacteria where to go and thereby enabling them to efficiently carry out infection.

When the virus invades a cell that is «at rest,» the infection is aborted.

This is often enough to halt the infection but the second part of the immune response is adaptive immunity, when dendritic cells activate T lymphocytes and trigger a cascade of immune reactions, such as the formation of antibodies and killer cells that clear the infection from the body and form a memory of the invading pathogen.

Normally, T - cells protect us from infection by patrolling the body, seeking out specific protein signatures that indicate invading bacteria, viruses or cancer cells, and then rallying more T - cells together to attack the threat.

The infection comes from the Plasmodium falciparum malaria parasite which invades the human host's bloodstream and liver cells.

Rather than fight the infection after it invades, particular changes to cell membrane receptors can completely prevent plague bacteria from infecting cells.

A tumor is cancerous (or malignant) when these abnormal cells invade other parts of the breast or when they spread (or metastasize) to other areas of the body through the bloodstream or lymphatic system, a network of vessels and nodes in the body that plays a role in fighting infection.

Adjuvant plus inflammation usually means you have an infection, and when you have an infection, your white blood cells manufacture antibodies to attack the invading organism.

It acts as if it had been invaded by a disease organism and sends defense cells to the area to fight the perceived infection.

When the immune system mounts a defense against the invaded white cells, which are themselves infection - fighting cells, the immune system ends up damaging its own protective cells and tissues,» says Dr. Richards.

Once they occur, mast cell tumors can quickly grow from small «skin tag» - like growths on the surface to the skin to invading full thickness of the skin, and progressing to the lymph nodes for systemic infection.