Valérie Langlois

Valérie Langlois

Professor/Professeure titulaire, Institut national de la recherche scientifique (INRS)
Professor Langlois is particularly interested in the harmful effects on vertebrates of chemicals present in aquatic environments. These substances can potentially affect all stages of cellular regulation in aquatic vertebrates, from hormone synthesis to target cell responses, and consequently they can alter the metabolism, development, and reproduction of vertebrates.

The main theme of her research program is the identification of physiological responses and regulatory mechanisms in vertebrates exposed to environmental contaminants. For more than 10 years, she has been working with academic and government partners to determine the harmful effects of these contaminants on vertebrates. Her main research axes are:

Axis 1: Metabolism of polycyclic aromatic hydrocarbons in aquatic species

Axis 2: Emerging pollutants and their impact on the development of aquatic species

Axis 3: Endocrine disruptors in aquatic species

La professeure Langlois est particulièrement intéressée par les effets nocifs sur les vertébrés des produits chimiques présents dans les environnements aquatiques. Ces substances peuvent potentiellement agir sur toutes les étapes de la régulation cellulaire des vertébrés aquatiques, depuis la synthèse des hormones jusqu’à la réponse des cellules cibles, et conséquemment, peuvent altérer le métabolisme, le développement et la reproduction des vertébrés.

Le thème principal de son programme de recherche est l’identification des réponses physiologiques et des mécanismes de régulation chez les vertébrés en présence de contaminants environnementaux. Depuis plus de 10 ans, elle travaille de concert avec plusieurs partenaires universitaires et gouvernementaux pour déterminer les effets néfastes de ces contaminants chez les vertébrés.

Présentement, ses principaux axes de recherche sont :

Axe 1 : Métabolisme des hydrocarbures aromatiques polycycliques chez les espèces aquatiques
Axe 2 : Polluants émergents et leur incidence sur le développement des espèces aquatiques
Axe 3 : Perturbateurs endocriniens chez les espèces aquatiques

Cancer drug pollution is a growing global concern

May 18, 2024 11:55 am UTC| Insights & Views Business

As incidence of cancer increases globally, the use of cancer drugs is also growing at a rate of approximately 10 per cent per year in developed countries. Pharmaceuticals significantly contribute to the improvement of...

Striving for transparency: Why Canada’s pesticide regulations need an overhaul

Nov 29, 2023 06:07 am UTC| Law

In 2021, Health Canada announced a freeze on changing maximum residue limits (MRLs) the maximum allowable pesticide residues acceptable under Canadian law. This decision followed substantial public outcry following...

How climate change-induced stress is altering fish hormones — with huge repercussions for reproduction

Oct 16, 2023 09:10 am UTC| Nature

In 1981, scientists discovered that female fish exposed to high temperatures developed testes instead of ovaries. Since then, over 1,100 studies on different animal species, including 400 on freshwater fish, have found...



Net zero is not just good science – it’s also a good deal for ordinary people

As the UK moves into a general election, a misinformed debate over the countrys climate transition and legally binding net zero targets risks further dividing people. Much of this debate in the UK focuses on the cost of...

The UK has a growing food black market – and it’s making the cost of living crisis worse

The UK food sector has faced its fair share of challenges, and issues around supply are not uncommon. In the year to January 2024, overall food prices rose by 7%. To compound this, last year, the UKs Competition and...

Why do we need a Net Zero Economy Authority? And how can it fulfil its promise?

To support its climate agenda, the Albanese government is building new institutions. One of the most important will be the Net Zero Economy Authority. The proposed laws to create this authority are currently before the...

African countries could unlock billions in local and global trade – what’s working and what’s not

Africas share of global trade remains disproportionately small, hovering around 2%-3%. Countries on the continent trade more with the rest of the world than they do among themselves. Africa needs to improve its share of...

Race still divides South Africa – study shows little transformation in new suburbs in country’s economic hub

As South Africa reflects on 30 years of democracy, its important to ask whether its cities have changed for the better when it comes to racial mixing. During apartheid, South Africas residential development was...


Trump’s lawyers in lawsuits claiming he won in 2020 are getting punished for abusing courts and making unsupported claims and false statements

Over the past four years, U.S. courts and state bar associations have taken action to protect the integrity of the U.S. judicial system by penalizing attorneys who filed meritless lawsuits claiming without evidence that...

Election 2024: polling shows voters don’t believe the tax pledges

The two main parties contesting the UK general election have been unusually cautious on their spending plans, despite urgent calls for more public funding to tackle crises in housing, social care and the...

Wisconsin is a key swing state this year – and has a history of being unpredictable

Voters in Wisconsin now considered a critical swing state ahead of the 2024 presidential election may be among the most unpredictable in the nation. Although former President Barack Obama carried the state in the 2008...

TSMC Weighed Leaving Taiwan Amid China Tensions, Deemed Move Infeasible

TSMC disclosed it had considered relocating its chip factories from Taiwan amid escalating China tensions but decided the move was impractical. TSMCs Relocation Discussions Tensions between Taiwan and China have been...

Mexico: Sheinbaum faces uphill task to buck the trend and curtail spiralling violence

Mexico has reached a political milestone. According to a quick count by the countrys electoral commission, Mexican voters have just elected their first female president. In a society that has long treated its women...


Eye exercises to improve sight – is there any science behind them? An ophthalmologist explains why you shouldn’t buy the hype

You may have seen advertisements claiming to eliminate the need for eyeglasses through vision therapy or vision training basically, eye exercises. These exercises include putting pressure on or palming the eye; eye...

The universe’s biggest explosions made some of the elements we are composed of. But there’s another mystery source out there

After its birth in the Big Bang, the universe consisted mainly of hydrogen and a few helium atoms. These are the lightest elements in the periodic table. More-or-less all elements heavier than helium were produced in the...

Engineering cells to broadcast their behavior can help scientists study their inner workings

Waves are ubiquitous in nature and technology. Whether its the rise and fall of ocean tides or the swinging of a clocks pendulum, the predictable rhythms of waves create a signal that is easy to track and distinguish from...

If an asteroid hit Earth and all the humans died, would the dinosaurs come back?

Many, many years ago dinosaurs roamed the Earth. Six-year-old Aga knows that a meteorite wiped them out… but could another meteorite bring them back? You can read a print version of this story...

Ancient DNA from an extinct native duck reveals how far birds flew to make New Zealand home

Ask a bird lover if they have heard of the extinct giant moa or its ancient predator, Haasts eagle, and the answer will likely be yes. The same cant be said of New Zealands extinct, but equally unique, mergansers a group...


Shiba Inu Burn Rate Jumps 3010%; 232M SHIB Tokens Reduced from Circulation

Shiba Inu (SHIB) token burn rate surged by 3010% on June 12, resulting in 232 million tokens being burned, a notable rise during the market downturn. Unprecedented SHIB Burn Rate Increase The Shiba Inu (SHIB) meme...

Critical Week Ahead: SEC to Comment on Ethereum ETF S-1 Filings

The Ethereum ETF is at a pivotal moment this week as the SEC prepares to respond to S-1 filings, potentially shaping the future of Ethereum-based investment products. Crypto Market Awaits SECs Critical Decision on...

Shiba Inu (SHIB) ETF Petition Surpasses 10,500 Signatures, Gains Momentum

A petition advocating for a Shiba Inu (SHIB) Exchange-Traded Fund (ETF) has surpassed 10,500 signatures, highlighting strong community support for expanding cryptocurrency investment options. Petition for...

How Apple's Latest Event Disrupted AI-Linked Tokens and Shook the Crypto Market

Apples annual developer event led to a sharp decline in AI-linked cryptocurrencies, highlighting the intricate relationship between traditional technology and the crypto market. Apples ChatGPT Integration Sparks Decline...
  • Market Data

Welcome to EconoTimes

Sign up for daily updates for the most important
stories unfolding in the global economy.