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Tag: Sam Kurup

UGA researcher uncovers humans’ natural weapon against malaria

Donna Huber on September 22, 2022

UGA’s Samarchith “Sam” Kurup, assistant professor of cellular biology, has been awarded a five-year National Institutes of Health grant to study the natural immune response to the Plasmodium parasite—which causes malaria—in liver cells. (photo credit: Lauren Corcino) Samarchith “Sam” Kurup grew up in India, and he’s always been aware of the impact of malaria. In …

Direct type I interferon signaling in hepatocytes controls malaria

Donna Huber on July 19, 2022

Malaria is a devastating disease impacting over half of the world's population. Plasmodium parasites that cause malaria undergo obligatory development and replication in hepatocytes before infecting red blood cells and initiating clinical disease. While type I interferons (IFNs) are known to facilitate innate immune control to Plasmodium in the liver, how they do so has …

Expeditious recruitment of circulating memory CD8 T cells to the liver facilitates control of malaria

Donna Huber on November 2, 2021

Circulating memory CD8 T cell trafficking and protective capacity during liver-stage malaria infection remains undefined. We find that effector memory CD8 T cells (Tem) infiltrate the liver within 6 hours after malarial or bacterial infections and mediate pathogen clearance. Tem recruitment coincides with rapid transcriptional upregulation of inflammatory genes in Plasmodium-infected livers. Recruitment requires CD8 …

p53 Hinders CRISPR/Cas9-Mediated Targeted Gene Disruption in Memory CD8 T Cells In Vivo

Donna Huber on September 4, 2020

CRISPR/Cas9 technology has revolutionized rapid and reliable gene editing in cells. Although many cell types have been subjected to CRISPR/Cas9-mediated gene editing, there is no evidence of success in genetic alteration of Ag-experienced memory CD8 T cells. In this study, we show that CRISPR/Cas9-mediated gene editing in memory CD8 T cells precludes their proliferation after …

Pre-Erythrocytic Vaccines against Malaria

Donna Huber on July 21, 2020

Malaria, caused by the protozoan Plasmodium, is a devastating disease with over 200 million new cases reported globally every year. Although immunization is arguably the best strategy to eliminate malaria, despite decades of research in this area we do not have an effective, clinically approved antimalarial vaccine. The current impetus in the field is to develop vaccines …