Sean Whelan is a British-American virologist. He is known for identifying the cellular protein used as a receptor by
Ebola virus,
for defining the entry pathway that
rabies virus uses to enter neurons,
and for identifying the
ribosome as a possible target for
antiviral drug
Antiviral drugs are a class of medication used for treating viral infections. Most antivirals target specific viruses, while a broad-spectrum antiviral is effective against a wide range of viruses. Unlike most antibiotics, antiviral drugs d ...
s.
In July 2019, he was announced as the new Chair of the Department of Molecular Microbiology at
Washington University School of Medicine
Washington University School of Medicine (WUSM) is the medical school of Washington University in St. Louis in St. Louis, Missouri. Founded in 1891, the School of Medicine has 1,260 students, 604 of which are pursuing a medical degree with ...
in
St Louis, Missouri. In February 2020, Whelan was recognized as the LGBTQ+ Scientist of the Year 2020 by the
.
Education
Whelan received a First Class Honors degree in Microbiology and Biochemistry from the
University of Birmingham
The University of Birmingham (informally Birmingham University) is a Public university, public research university located in Edgbaston, Birmingham, United Kingdom. It received its royal charter in 1900 as a successor to Queen's College, Birmingha ...
. He performed his PhD work with noted virologist Jeffrey Almond, then at the
University of Reading
The University of Reading is a public university in Reading, Berkshire, England. It was founded in 1892 as University College, Reading, a University of Oxford extension college. The institution received the power to grant its own degrees in 192 ...
.
Career
Whelan joined
Harvard Medical School
Harvard Medical School (HMS) is the graduate medical school of Harvard University and is located in the Longwood Medical and Academic Area, Longwood Medical Area of Boston, Massachusetts. Founded in 1782, HMS is one of the oldest medical schools ...
's Department of Microbiology and Molecular Genetics in 2002. He was promoted to Professor of Microbiology and Immunobiology in 2012. He served as head of Harvard's PhD Program in Virology, and directed an NIH-funded Center for Excellence in Translational Research. In July 2019,
Washington University in St. Louis announced that Whelan had been named Chair of the Department of Molecular Microbiology and the Marvin A. Brennecke Distinguished Professor of Microbiology at
Washington University School of Medicine
Washington University School of Medicine (WUSM) is the medical school of Washington University in St. Louis in St. Louis, Missouri. Founded in 1891, the School of Medicine has 1,260 students, 604 of which are pursuing a medical degree with ...
.
Whelan's research focuses on using
Vesicular Stomatitis Virus (VSV) as a model system for
negative-sense single-stranded RNA viruses such as the
rabies
Rabies is a viral disease that causes encephalitis in humans and other mammals. Early symptoms can include fever and tingling at the site of exposure. These symptoms are followed by one or more of the following symptoms: nausea, vomiting, vio ...
,
measles and
Ebola
Ebola, also known as Ebola virus disease (EVD) and Ebola hemorrhagic fever (EHF), is a viral hemorrhagic fever in humans and other primates, caused by ebolaviruses. Symptoms typically start anywhere between two days and three weeks after bec ...
viruses. He began this work as a post-doc in the laboratory of Professor Gail Wertz, developing a system for expressing infectious VSV particles from
cDNA clones, which led to a patent on VSV-based
gene therapy
Gene therapy is a medical field which focuses on the genetic modification of cells to produce a therapeutic effect or the treatment of disease by repairing or reconstructing defective genetic material. The first attempt at modifying human D ...
vectors and
vaccine
A vaccine is a biological preparation that provides active acquired immunity to a particular infectious or malignant disease. The safety and effectiveness of vaccines has been widely studied and verified.[ ...]
s. VSV
pseudotypes, which carry the
envelope
An envelope is a common packaging item, usually made of thin, flat material. It is designed to contain a flat object, such as a letter or card.
Traditional envelopes are made from sheets of paper cut to one of three shapes: a rhombus, a ...
proteins of other viruses, are useful tools for studying the behavior of pathogenic viruses. Whelan has used this approach to study the entry process of Ebola, to identify the cellular protein the virus uses as a receptor,
and to study how the rabies virus infects
neuron
A neuron, neurone, or nerve cell is an membrane potential#Cell excitability, electrically excitable cell (biology), cell that communicates with other cells via specialized connections called synapses. The neuron is the main component of nervous ...
s.
Whelan also studies the
viral life cycle
Viruses are only able to replicate themselves by commandeering the reproductive apparatus of cells and making them reproduce the virus's genetic structure and particles instead. How viruses do this depends mainly on the type of nucleic acid DNA ...
of VSV to identify potential
antiviral targets.
He identified a specific subunit of the
ribosome, RPL40, as being essential to initiate
translation
Translation is the communication of the Meaning (linguistic), meaning of a #Source and target languages, source-language text by means of an Dynamic and formal equivalence, equivalent #Source and target languages, target-language text. The ...
of VSV
mRNAs.
This selective mechanism allows the virus to block translation of host mRNAs without preventing the production of its own proteins. Interfering with this mechanism could lead to antiviral therapies.
With
Stephen C. Harrison
Stephen C. Harrison is professor of biological chemistry and molecular pharmacology, professor of pediatrics, and director of the Center for Molecular and Cellular Dynamics of Harvard Medical School, head of the Laboratory of Molecular Medicine ...
, he used
cryo-EM to determine the structure of the L protein of VSV, revealing several potential drug targets.
Advocacy
As a founding member of the group "Scientists for Science", Whelan has argued that research into infectious pathogens is "essential for a comprehensive understanding of microbial disease pathogenesis, prevention and treatment", and that further regulation of work on dangerous pathogens should only be considered in the context of "input from outside experts with the background and skills to conduct actual risk assessments based on specific experiments and existing laboratories".
Awards
* 2005
Burroughs Wellcome Fund Investigator in Pathogenesis of Infectious Disease
* 2010
Genzyme Young Innovator Award
* 2011
Hoffmann-La Roche
F. Hoffmann-La Roche AG, commonly known as Roche, is a Swiss multinational healthcare company that operates worldwide under two divisions: Pharmaceuticals and Diagnostics. Its holding company, Roche Holding AG, has shares listed on the SIX ...
Investigator in Molecular Virology
* 2013
American Academy of Microbiology Fellow
* 2015
NIH MERIT award
* 2020
NOGLSTP LGBTQ+ Scientist of the Year.
References
External links
*http://www.whelan-lab.org
{{DEFAULTSORT:Whelan, Sean
Living people
1967 births
Alumni of the University of Birmingham
Alumni of the University of Reading
Harvard Medical School faculty
American virologists
British virologists
British LGBT scientists
LGBT academics
American LGBT scientists
Washington University School of Medicine faculty