How did toxin genes evolve from harmless physiological genes?

The master's specialisation Bioinformatics at Leiden University focuses on research, development and application of computational tools and approaches for expanding the use of biological, medical, behavioral and health data.

The master's specialisation Applied Mathematics at Leiden University focuses on both computational and fundamental aspects of analysis and probability. It’s also an ideal basis for a PhD degree. Applied Mathematics is an excellent choice if you have the aspiration to pursue a PhD degree

Leiden University offers you several services related to career orientation and job application skills.

Is it possible to synthesize industrially relevant compounds in a sustainable manner through the use of light-capturing cyanobacteria?

The intradermal administration route is attractive for vaccine delivery, because of the highly populated antigen-presenting cells in the skin. However, the skin’s main physical barrier, the stratum corneum, prevents vaccines from entering the skin.

The master's specialisation Molecular, Cellular and Organismal Biology at Leiden University examines the molecular mechanisms underlying health and disease and how cells and organisms adapt to environmental factors.

The Master’s in Health, Ageing and Society gives you the insight, knowledge and skills to change eldercare. This change is needed in order to guarantee care for senior citizens in the future, but also offers solutions for growing old more happily and with more vitality.

Leiden University was founded in 1575 and is one of Europe’s leading international research universities. It has seven faculties in the arts, humanities and sciences, spread over locations in Leiden and The Hague. The University has over 6,700 staff members and 29,520 students. The motto of the University…

The master’s programme in Psychology in Leiden focuses both on in-depth study of psychological theory as well as on the acquisition of professional and research skills. Students develop their knowledge of psychology as a science and its application in order to effectively address relevant issues. The…

The amount of tuition fee you have to pay depends on a number of factors. These are your nationality, your study programme and whether you have already obtained a Dutch higher education diploma.

Leiden researchers have made an important contribution to the successful ‘Beyond the Nile’ exhibition in the American J. Paul Getty Museum. They also contributed to the exhibition volume that will be presented to Rector Magnificus Carel stolker on 5 September.

Festival

Archaeologist Victor Klinkenberg examined an old Assyrian settlement in Syria, near to the IS stronghold Raqqa. 'Social life was more important than military life.' PhD defence 27 October.

Drones are proving to be a good means of mapping man-made changes in the landscape. Geophysicist Till Sonneman and his colleagues (archaeology) are experimenting with drones in inaccessible areas of the Caribbean.

Conference

Every year, an NWO PhD in the Humanities grant is awarded to a prospective PhD candidate at the Faculty of Archaeology. This year, the grant went to Maia Casna, enabling her to study respiratory disease in the past. ‘My hypothesis is that the rapid formation of cities in the medieval Netherlands, must…

The feature drama film In Times of Rain will have its world premiere at the Guanajuato International Film Festival (#GIFF 2018) in Mexico. The film is a result of the Leiden University project ‘Time in lntercultural Context’, funded by the European Research Council.

On October 21st, 2019, the President of Mexico, Andrés Manuel López Obrador, handed out the National Prize for the Youth in the academic achievement category to our PhD candidate Omar Aguilar Sánchez. He received this honour for his work on Mixtec pictorial manuscripts.

The Faculty of Archaeology proudly presents the research brochure Perspectives on the Past, featuring passionate, dedicated researchers introducing a dazzling scala of research topics: from present-day traditional knowledge in Africa to the power of glue in Palaeolithic Europe. In addition to these…

SAILS is a Leiden university wide initiative aiming to facilitate interdisciplinary collaboration on the use of Artificial Intelligence (AI).

A unique archeological find near Tombos in Northern Sudan. Archaeologist Sarah Schrader from Leiden University, working with a team of international researchers, has discovered a grave of a ritually buried horse that is over 3000 years old. Both the grave and the skeleton are in perfect condition. The…

Uncovering ancient Arabian inscriptions feels like pioneering detective work, says Arabist Michael Macdonald in a video interview with Leiden Islam Centre LUCIS. 'First you have to learn the alphabets that they're written in, and then you have to try and work out what they say.'

A computer can look at, and learn from, many more images than a human specialist. AI systems are rapidly becoming indispensable for medical and biological applications. But they still have to learn how to explain their decisions.

Through metabolism, biochemical processes give rise to the complexity of life. Acquired and inborn errors in metabolism underlie many diseases occurring in man. The challenge for present day medical biochemistry is to find, and integrate, pieces of information at molecular, cell and organismal level…

Leiden LIS Budget Incidence Fiscal Redistribution Dataset on Relative Income Poverty Rates (2019), assembled by Koen Caminada and Jinxian Wang (Version 1, February 2019), presents the disentanglement of relative income poverty measurers and the anti-poverty effects of social transfers and income taxes…

Would you like to do something for the victims of the war in Ukraine? Several actions have been set up to help the people in Ukraine. Read below what you can do.

Improving healthcare with our scientific discoveries: that is the goal of pharmaceutical research at Leiden University. And there’s a lot involved in that. Our research starts with the discovery of the effect achieved by a particular substance, and sometimes continues all the way through to the development…

You are legally required to have health insurance to cover any medical costs you may incur during your stay. You must take out a health insurance policy before you arrive. There are various types of health insurance:

In case of serious illness, treatment in the Intensive Care Unit (IC) may be necessary. Intensive care treatments has improved over the years and more and more seriously ill patients are surviving admission to the ICU. This favorable development however has a downside since long-term consequences of…

How to identify patients at risk of developing devastating, metastatic disease and facilitate the development of personalised treatment for prostate cancer patients?

Leiden LIS Budget Incidence Fiscal Redistribution Dataset on Income Inequality (2017), assembled by Jinxian Wang and Koen Caminada (Version 1, November 2017), presents the disentanglement of income inequality and the redistributive effect of social transfers and income taxes in 47 LIS countries for…

This study aims to answer two main research questions: (1) What are the main predictors of work ability in employees with migraine? (2) Can we optimise work ability in employees with migraine using a web-based intervention focused on these relevant predictors?

With a MSc in LST you are well prepared for a wide range of career opportunities. Life Science research and business is one of the fastest growing economic activities worldwide.

Leiden University 2016 thesis awards were awarded to Kaspar Pucek (History), Mariska Meijer (Bio Medical Sciences) and Paul Kozowyk (Archaeology).

A marvelous mosaic synagogue floor has been discovered at the Israeli excavation site of Horvat Kur. The timeworn stones of the mosaic clearly form the name ‘El’azar’. Leiden University researcher Jürgen Zangenberg and a group of Leiden students played a role in the excavation. ‘El’azar was likely an…

Identifying natural plant-associated bacteria that provide targeted inhibition of pathogens through the production of antimicrobial peptides.

The polypept(o)ide hybrid material attracted more and more attention over the past decade by combining the multifunctional characteristics of polypeptides with the shielding characteristics of polypeptoid-pSar possessing similar properties as a shielding material as polvethylene glycol(PEG). Polysarcosine…

How can we find novel natural products from Actinomycetes that act as growth modulators on mammalian cells? Can we harvest and develop the potential of these novel compounds for industrial and medical biotechnology?

‘Visibility and secrecy are both valuable tactics and should not be antagonized in LGBT movements, ’ says Jingshu Zhu. Zhu defended her dissertation on Wednesday 21 February.

A selection of news from Leiden University.

Can epigenetic changes explain associations between early life stress and health outcomes?

The objective of the Next Generation ImmunoDermatology project (funding NWO, program NWA-ORC) is to deep profile the immune-mediated inflammatory diseases: i) atopic dermatitis (AD), ii) cutaneous lupus erythematosus (CLE) iii) chronic spontaneous urticaria (CSU) iv) hidradenitis suppurativa (HS) v)…

The main task of the Board of Examiners is to determine whether a student meets the conditions set by the Honours Academy's Education Regulations with regard to the knowledge, insight and skills of the relevant honours programme. The Board of Examiners has to determine this in an objective manner.

We aim to create an innovative e-learning and virtual reality training that helps healthcare providers to optimize placebo effects and minimizes nocebo effects via their communication.

What are the principles of genome folding and dynamics in bacteria?