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Related Concept Videos

Malaria01:29

Malaria

Malaria pathogenesis in humans reflects a delicate interplay between parasite biology and host response. Clinical illness reflects a host’s immune response to the parasite’s asexual replication cycle, which is often asymptomatic in individuals with partial immunity. From the parasite's perspective, transmission between mosquito and human with minimal host pathology is evolutionarily advantageous. Among the six Plasmodium species infecting humans, P. falciparum and P. vivax dominate in global...
Antiprotozoal Agents01:21

Antiprotozoal Agents

Leishmaniasis is a widespread parasitic disease caused by several Leishmania species. It affects millions of people each year and remains a major public health problem in endemic regions. First-line treatment relies on pentavalent antimonials, including meglumine antimoniate and sodium stibogluconate. Even so, how these drugs work has not been fully clear, especially their interaction with parasite-specific biochemical pathways. One key target is trypanothione reductase (TR), an enzyme that...
Anthelminthic Agents01:15

Anthelminthic Agents

Anthelmintic drugs differ significantly from antiparasitic therapies targeting protozoa, primarily due to differences in parasite biology. Whereas most protozoal treatments act on proliferating cells, anthelmintics are typically directed against mature, nonproliferative helminths. The therapeutic approach considers the helminth's reliance on neuromuscular coordination, glucose metabolism, and microtubular integrity for survival, reproduction, and localization within the host. Most anthelmintics...
Symbiosis00:58

Symbiosis

Symbiotic relationships are long-term, close interactions between individuals of different species that affect the distribution and abundance of those species. When a relationship is beneficial to both species, this is called mutualism. When the relationship is beneficial to one species but neither beneficial nor harmful to the other species, this is called commensalism. When one organism is harmed to benefit another, the relationship is known as parasitism. These types of relationships often...

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Related Experiment Video

Updated: Jun 25, 2026

Ookluc: A Plasmodium berghei Line for Identifying Transmission-blocking Compounds
07:14

Ookluc: A Plasmodium berghei Line for Identifying Transmission-blocking Compounds

Published on: July 11, 2025

[Fake malaria drugs].

Ib Christian Bygbjerg1

  • 1Københavns Universitit, Institut for International Sundhed, Immunologi og Mikrobiologi, Center for Sundhed og Samfund, DK-1410 København K. IBY@sund.ku.dk

Ugeskrift for Laeger
|March 7, 2009
PubMed
Summary

Counterfeit medicines, especially antimalarials, pose a significant global health risk, affecting up to 50% in some regions. Addressing this requires international collaboration to combat poverty and improve governance.

Area of Science:

  • Pharmacology and Global Health
  • Medicinal Chemistry and Drug Safety

Context:

  • The prevalence of counterfeit and substandard medicines is a critical global issue, despite limited literature.
  • Antimalarial drugs are particularly affected, with counterfeit rates reaching 50% in parts of Africa and Asia.
  • Substandard medicines erode public trust in healthcare systems, professionals, and the pharmaceutical industry, while also accelerating drug resistance.

Purpose:

  • To highlight the significant but under-documented problem of counterfeit medications.
  • To underscore the severe health risks associated with substandard drugs, especially for travelers.
  • To advocate for enhanced international cooperation and improved governance to combat this threat.

Summary:

  • Approximately 15% of all medicines are estimated to be counterfeit, with antimalarials in certain regions reaching 50%.

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Understanding the Development of Compensatory Pathways in a Mutant Malaria Parasite Harbouring Hypomorphic Allele of Plant-Like Kinases
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  • The proliferation of fake drugs undermines public confidence and contributes to the development of drug resistance.
  • Travelers purchasing medications online or in endemic areas face potentially fatal consequences.
  • Impact:

    • Increased risk of treatment failure and adverse events due to ineffective or toxic counterfeit drugs.
    • Erosion of public trust in pharmaceutical products and healthcare providers.
    • Urgent need for international collaboration in trade, control, and law enforcement, coupled with efforts to alleviate poverty and enhance governance.