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Florida [US], June 22 : A group of UCF researchers are looking to use cancer pharmaceuticals to hasten the development of fresh, life-saving malaria treatments because the disease is getting more and more resistant to existing medications.The findings of the study were published in the ACS Infectious Diseases journal.Malaria, one of the most prevalent infectious diseases in the world, is a potentially fatal condition brought on by parasites of the Plasmodium species and spread through the bite of infected mosquitoes. It causes more over 600,000 fatalities annually, primarily in sub-Saharan Africa. Around 80% of these fatalities involve youngsters under the age of five."Over time, genetic mutation of the malaria parasite makes it resistant to current drugs," Chakrabarti says. "The World Health Organization reported that malaria parasites are increasingly becoming resistant to the current therapy used to treat malaria, which was discovered in the 1990s. So, new and more effective drugs for malaria are long overdue as about 30 years have gone by since we have had a new class of compounds in the market against malaria."But drug discoveries can take years, even decades, Chakrabarti explained, as compounds go through many phases of testing for efficacy and safety."One of the ways we can accelerate the discovery of new treatment options is to use existing drugs that are already approved by the Food and Drug Administration," Chakrabarti saiys. "This is called taking a piggyback approach, looking at existing drugs that are already on the market to see if they have anti-malarial properties. This will help to shorten the initial stages of drug discovery which is usually quite time-consuming."To meet the urgent need for new drugs, the team decided to repurpose protein kinase inhibitors drugs originally developed for cancer treatment for an accelerated path to drug therapy for malaria. Protein kinases are enzymes that regulate proteins in the body and are heavily targeted for cancer and other disease therapies by the pharmaceutical industry. Protein kinases are very important for the malaria parasite's life cycle and as such make good drug targets.As part of the study, Ph.D. candidate Monica Bohmer, working under Chakrabarti's supervision, tested a range of anti-cancer protein kinase inhibitors to identify inhibitors that are known to target human Polo-like kinase, a type of protein kinase that plays an important role in cell division in humans. She discovered that a group of inhibitors, specifically BI-2536, a known human Polo-like kinase 1 inhibitor, exhibited strong anti-malarial properties."While the malaria parasite plasmodium does not have Polo-like kinases, the protein kinase inhibitors targeted another family of proteins called NEK, which also regulate cell division," Bohmer says. "They also targeted other stress-response pathways which helped to kill the parasite."She added that future studies will explore the functions of these NEK proteins in the parasite."Overall, this study provides valuable insights for the potential of repurposing of protein kinase inhibitors for malaria treatment," Chakrabarti says "while also underscores the need for further research to identify additional targets and optimize the efficacy of these inhibitors."Disclaimer: This post has been auto-published from an agency feed without any modifications to the text and has not been reviewed by an editor

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Monica bohmer, Latest News

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