Related Experiment Video
Updated: Jul 8, 2026
06:00
Portable Paper-Based Immunoassay Combined with Smartphone Application for Colorimetric and Quantitative Detection of Dengue NS1 Antigen
Published on: January 26, 2024
Dengue vaccine: opportunities and challenges
Steven Hatch1, Anuja Mathew, Alan Rothman
1University of Massachusetts Medical School, Center for Infectious Disease and Vaccine Research, 55 Lake Avenue North S6-862, Worcester, MA 01655, USA. steven.hatch@umassmed.edu
Idrugs : the Investigational Drugs Journal
|January 5, 2008
Summary
Developing an effective dengue virus vaccine requires understanding T-cell responses. Research into dengue pathophysiology and T-cell immunity is crucial for designing a successful vaccine against this mosquito-borne disease.
Area of Science:
- Immunology
- Vaccinology
- Virology
Background:
- Dengue virus poses a significant global public health threat, causing millions of infections and thousands of deaths annually.
- Existing vaccines are insufficient, highlighting the urgent need for an effective dengue vaccine.
- Understanding the complex immunology of dengue infection is essential for vaccine development.
Purpose of the Study:
- To investigate the role of T-cell responses in dengue pathophysiology.
- To identify key immunological factors for designing a successful dengue vaccine.
Main Methods:
- Focus on T-cell responses in dengue infection.
- Clarifying basic immunology surrounding dengue.
Main Results:
- T-cell responses play a potentially central role in dengue pathophysiology.
- Shaping the T-cell response is identified as critical for dengue vaccine design.
Conclusions:
- Further research into T-cell immunology is vital for developing effective dengue vaccines.
- Targeting T-cell responses may be the key to successful dengue vaccine strategies.
Related Concept Videos
01:51Vaccinations
Overview
01:23Vaccine Production
Vaccine production involves a sequence of upstream and downstream processes to generate a safe and effective immunological product. It begins with cultivating microorganisms, such as viruses or bacteria, to obtain antigenic material. For viral vaccines, mammalian host cells are grown in bioreactors and subsequently infected with the target virus. The virus replicates within the host cells, which are lysed to release viral particles. This lysate is then clarified through filtration or...
01:21Vaccines
Vaccines are among the most effective tools in preventive medicine, designed to prepare the immune system to recognize and combat infectious agents. By introducing antigens—substances that the immune system identifies as foreign—vaccines stimulate an adaptive immune response that leads to immunological memory. This immunological memory enables the body to mount a faster and more effective response upon future exposures to the actual pathogen.Vaccines can be categorized based on the type of...
01:29Microorganisms in Medicine and Therapeutics
Microorganisms play a fundamental role in vaccine development, gene therapy, and therapeutic production. Their biological properties are harnessed to advance medicine and public health. Beyond immunization, microorganisms contribute to gut health, antibiotic synthesis, and genetic disease treatment.Live Attenuated and Inactivated VaccinesLive attenuated vaccines, such as the measles, mumps, and rubella (MMR) vaccine, utilize weakened forms of pathogens to closely resemble natural infections.
01:18Yellow Fever
Yellow fever is a viral hemorrhagic disease caused by the yellow fever virus (YFV), a member of the Flaviviridae family. It is transmitted primarily by Aedes and Haemagogus mosquitoes in tropical and subtropical regions of Africa and South America. After transmission through a mosquito bite, the virus initially replicates in skin-resident immune cells such as dendritic cells and macrophages. These cells then migrate to the lymph nodes, where viral replication increases, eventually leading to...
01:28Infectious Diseases and Their Occurrence
Infectious diseases appear in populations through various transmission patterns, influenced by pathogen characteristics, population immunity, environmental conditions, and social behavior. Understanding these patterns is essential for effective public health surveillance and intervention. These categories—sporadic, outbreak, epidemic, pandemic, and endemic—help frame the nature and scope of disease events.Sporadic diseases occur irregularly and infrequently, without a predictable temporal or...