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mosquito carrying malaria

New Findings Offer Insight into How Malaria Parasites Prepare for Transmission

A key developmental step in the lifecycle of the most virulent species of malaria parasite, Plasmodium falciparum, depends in part on a series of molecular signals that are detailed in a new study led by researchers at Weill Cornell Medicine. The findings may help scientists develop new ways to prevent malaria from spreading.

The parasites can spread from infected humans back to mosquitoes, completing their transmission cycle, only after they change from the asexual form that...

microscopic rendering

Research Reveals How a Common Bacterium May Spread from the Intestine

A typical gut bacterium that can spread through the body and cause a serious infection resists natural immune defenses and antibiotics by enhancing its protective outer layer, known as the cell envelope, according to a new study by Weill Cornell Medicine investigators. The finding suggests possible new ways to target these bacterial infections.

The research, published Nov. 10 in mBio, illuminates some of the underlying...

colocalization of extracellular DNA and CXCL4

Study Reveals New Mode of Triggering Immune Responses

Small proteins, called chemokines, that direct immune cells toward sites of infection can also form DNA-bound nanoparticles that can induce chronic, dysfunctional immune responses, according to a new study by researchers at Weill Cornell Medicine and Hospital for Special Surgery (HSS). The surprising discovery of this new activity for this well-studied class of immune signaling molecules could shed light on some types of immune...

illustration of t cells

T Cell Behavior Determines Which Tumors Respond to Treatment

Immunotherapy unleashes the power of the immune system to fight cancer. However, for some patients, immunotherapy doesn’t work, and new research may help explain why. When immune cells called T lymphocytes infiltrate malignant tumors, the genetic program of those T cells and the developmental path they then follow, may affect their response to immunotherapy and predict overall patient survival, according to a new study by Weill Cornell Medicine investigators. The results overturn the...

illustration of microscopic tuberculosis bacteria

CinA Protein Contributes to Drug Tolerance in Mycobacterium tuberculosis

Weill Cornell Medicine researchers have identified a protein in Mycobacterium tuberculosis (Mtb) that contributes to drug tolerance, a phenomenon that allows bacteria to survive treatment with drugs that would normally kill them.

The study, published April 22 in Nature Communications, found that an Mtb protein called CinA reduces the efficacy of isoniazid and other antibiotics used to treat tuberculosis.


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