The LUMC has a longstanding tradition researching the role of the immune system in infectious diseases, transplantation and auto-immune diseases.

Our immune system protects us against disease, but every now and then, something goes wrong: an enemy invades our bodies or our immune system attacks our own cells and we become ill. Doctors and researchers at the Leiden University Medical Center (LUMC) want to be able to manipulate the immune system…

Promotor: Prof.dr. H.P. Spaink, Co-promotor: Prof.dr. A.H. Meijer

The effective treatment of tuberculosis (TB) remains a major challenge to global health.

Autophagy is a fundamental degradative process, maintaining cellular homeostasis and functions in host defense against intracellular pathogens, including mycobacteria and Salmonella.

Promotor: Prof.dr. J.N. Kok

Promotor: Prof.dr. H.P. Spaink, Co-promotor: Dr. M. van der Zee

Promotores: Prof.dr. H.P. Spaink & Prof.dr. P.C.W. Hogendoorn, Co-promotor: Dr. M.J.M. Schaaf

Worldwide resurgence of pertussis necessitates the need for improvement of pertussis vaccines and vaccination strategies.

The function of TLRs in innate immunity has aroused worldwide attention soon after its discovery. Because of the broad functions of TLR2 in innate immunity, the drive for the development of TLR2-targeted vaccines or therapeutic treatments has accelerated in the last decades.

Our research aims to develop drugs that boost the host immune response to better defend us against mycobacteria.

This thesis focuses on the role of chemokine receptors CXCR3 and CCR2 in the inflammatory process and infection control using the zebrafish model.

Josien de Klerk and Tennessee Miller examined the interplay between students’ illness and recovery experiences and academic work culture in this context.

Michiel van der Vaart with a team from Leiden University and the LUMC, led by IBL-researcher Annemarie Meijer, discovered that DRAM1 is a protein that regulates anti-bacterial autophagy, a defense mechanism against infections such as tuberculosis.

The cellular recycling system in zebrafish is capable of eating harmful bacteria and thus resist infections such as tuberculosis and salmonellosis. That is written by Leiden biologists from the group of Annemarie Meijer. Stimulating this form of defence could be used in new treatment methods against…

The infection rate is rising again in the Netherlands, which means it may also be rising among Leiden University’s students and staff. How is the University responding? And what dilemmas is it facing? We spoke to our Rector Magnificus, Chief Security Officer and two other administrators.

The opportunistic bacterium Burkholderia cenocepacia is feared by cystic fibrosis patients and is emerging in hospital-acquired infections. An international study sheds new light on the infection mechanism of this opportunistic pathogen that may have large implications for treatment strategies.

Joost Beltman (LACDR, Leiden University) has provided novel insights in the way T cells migrate towards virus-infected cells. This was accomplished by a combination of experimental research in the group of Ton Schumacher (Dutch Cancer Institute, NKI) and computer simulations in collaboration with Rob…

Promotores: T. Hankemeier; R. Berger, Co-promotor: R.J. Vreeken

The research described in this thesis has, using the zebrafish as a model system, shed new light on the intricate relationship between TB and DM2, in particular on the role of leptin, SHP-1 and glucocorticoids.

Antimicrobial drugs constitute a fundamental part of modern medicine. The global rise in antimicrobial resistance poses a major threat to global health.

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PhD defence

Can small molecule drugs restore the immune system’s ability to fight tuberculosis by boosting autophagy?

The aim of this thesis was to study phage infection in Streptomyces, focused on cell wall-deficient cells. Bacteriophages (or phages in short) attach to the cell wall of bacteria after which they replicate and lyse the host cell.

Control of infectious diseases poses continuous challenges for human health.

Promotor: G.F.A. Kersten, W. Jiskoot, Co-promotor: B. Metz

The current resurgence of whooping cough is alarming, and improved pertussis vaccines are thought to offer a solution. Outer membrane vesicle vaccines (omvPV) are potential vaccine candidates, but omvPV-induced humoral responses have not yet been characterized in detail.

How do mycobacteria subvert the defenses of host immune cells?

Glucocorticoids (GCs) are widely prescribed as anti-inflammatory drugs due to their well-established immunosuppressive effects.

This thesis focuses on two processes involved in fighting infections: metabolism and immune cell motility and navigation.

Health workers have always sought ways to fight disease in vulnerable groups in the population. It is now clear that such research also benefits more prosperous countries. African worm infections and innovative thermometers have shown Leiden researchers how to fight diseases of affluence and keep health…

Promotor: C.A.M.J.J. van den Hondel, Co-promotor: Sandra de Weert

Promotores: A.H. Meijer, H.P. Spaink

Researchers at Leiden University Medical Center (LUMC) and Radboud university medical center have been given the green light to deliberately infect volunteers with malaria in order to test a highly promising vaccine on them.

In STAYAHEAD data-intensive approaches are being developed to ”decode the human immunome” with a focus on a global vaccine strategy. They have developed a rapid mass spectrometric test to analyse in real-time large numbers of variants of SARS-CoV-2 and the host immune response, and use these data to…

PhD defence

The outbreaks of AIDS and COVID-19 showed clearly how infectious viruses can influence people’s lives. Investigating the changes in the host metabolism may provide a paradigm shift to consider immune-metabolic interactions as therapeutic targets.

Leiden University and Leiden University Medical Center have joined the Netherlands Centre for One Health (NCOH), further strengthening the academic network in which such problems as antimicrobial resistance are studied.

Promotor: Prof.dr. H.P. Spaink, Co-promotor: Prof. dr. A.H. Meijer

The Translational Immuno-Pharmacology group works on translating the efficacy of anti-infective therapy from preclinical (e.g. in vivo) to clinical, and is led by Rob van Wijk. Infectious diseases, such as tuberculosis, are in constant need of new therapies that work better, faster, and with less risk…

Antimicrobial resistance (AMR) is the phenomenon that pathogens become insensitive to the antibiotics that we use against them. A growing number of pathogens is becoming resistant, with methicillin-resistant S. aureus (MRSA) as the most famous example. But while the threat of AMR represents a slow-moving…