268 search results for “sex hormones” in the Public website
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nutrition and health: short-term diet response, sexual dimorphism and hormone chronobiology
The power of personalized nutrition lies in being able to conduct clinical research on healthy people while capturing metabolic markers sensitive to the impact of environmental and metabolic stressors (e.g. diet, changing sex hormones and the menstrual cycle).
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Stress, hormones and emotion regulation
What is the role of stress and stress-related hormones in emotion regulation?
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Federica Lucchi
Faculteit der Sociale Wetenschappen
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Sex effects on development of brain structure and executive functions: Greater variance than mean effects
This study is the first to directly relate brain development to sex differences and school performance. The results debunk the myth that brain development is slower in boys.
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Study of utilization of combined hormonal contraceptives in Europe
Combined hormonal contraceptives (CHC) are associated with an increased risk of venous thromboembolism (VTE). In 2013, a review was published by the European Medicines Agency (EMA). In this review, the authors concluded that the risk of VTE varies by the type of progesterone in the CHC. Subsequently,…
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Impact of plant hormones on growth and development of actinobacteria
Plants are colonized by an astounding number of microorganisms that can provide different life-support functions, including nutrient acquisition and protection against (a)biotic stresses like drought or pathogen attack.
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Straightjacket: Same-Sex Orientation under Chinese Family Law
‘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.
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Ellen de Bruijn
Faculteit der Sociale Wetenschappen
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The impact of defense hormones on the interaction between plants and the soil microbial community
The soil ecosystem consists of the largest reservoir of biodiversity on Earth.
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The quantification of growth hormone secretion : application of model-informed drug development in acromegaly
Growth hormone profiles are pulsatile and highly variable between individuals, limiting the implementation of mathemathical models to quantify an individual's secretion.
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Regulating Relations: Controlling Sex and Marriage
Regulating Relations: Controlling Sex and Marriage
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The right diagnosis and faster for women with heart problems
It often takes longer for women with heart problems to get the right diagnosis. In her Annie Romein-Verschoor Lecture, Professor Hester den Ruijter will talk about how hormones influence the heart and the importance of medical research that focuses specifically on women.
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Hannah Spencer
Faculteit der Sociale Wetenschappen
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Switching lifestyles using hormones
Vicencio Oostra, who defended his PhD-thesis at the IBL successfully in June 2013, published new insights into the hormonal regulation of butterfly responses to fluctuating environments.
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Tong Zhao
Science
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Temperature effects on genetic and physiological regulation of adaptive plasticity
Promotor: P.M. Brakefield
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Arjan Blokland
Faculteit Rechtsgeleerdheid
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Ecology and genomics of Actinobacteria and their specialised metabolism
Filamentous Actinobacteria, such as Streptomyces, produce a plethora of chemically diverse bioactive metabolites that have found applications across medicine, agriculture and biotechnology.
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The evolutionary added value of sex
Asexual procreation in female wasps leads to an accumulation of genetic mutations, and the shrivelling of their sex organ. Leiden biologist Ken Kraaijeveld published this discovery in Evolution. His research is one of the first experimental studies into the consequences of asexual procreation.
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ERC Consolidator Grants for six Leiden researchers
From the effects of hormone fluctuations in women via the interior structure of giant planets to the prehistory of the languages: six Leiden researchers have been awarded a Consolidator Grant by the European Research Council.
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‘It’s a real balancing act for doctors at gender clinics’
Do young people who want to change gender have the unconditional right to medical treatment? Pediatric Endocrinologist Martine de Vries, who is also Professor of Medical Ethics, treats transgender children and adolescents. She will discuss this in her ‘Pride Talk’ on 18 September.
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mechanism allows plant cells to directionally distribute the growth hormone auxin
Leiden and Austrian researchers have succeeded in further uncovering how a plant cell passes on the growth hormone auxin in a directional manner to the next cell. Three proteins that cling together in a bunch appear to be essential for this important transport process. ‘This discovery solves a crucial…
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Topic: Psychopharmacology in Health and Medical Psychology
In this research line, the role pharmacological agents and neurochemcial processes play in behavior and cognition is examined with a particular focus on pain, placebo and nocebo effects and intensive care treatments.
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Same-sex couples in Europe: more rights in more countries
The trend of legal recognition for gay and lesbian couples is broadening. More and more rights are becoming available to same-sex partners – in more and more European countries. Leiden Law School and the French Institute for Demographic Studies publish detailed database and comparative analysis.
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Jiska Peper
Faculteit der Sociale Wetenschappen
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October University: ‘Artificial intelligence is like young people and sex’
‘Everyone’s talking about it, everyone thinks everyone else is doing it, but the reality is disappointing,’ says biochemist Gerard van Westen in his 3 October University lecture in the Van der Werfpark. In the full marquee, he gets a laugh with this suggestion that artificial intelligence is comparable…
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Sweetie 2.0—Using Artificial Intelligence to Fight Webcam Child Sex Tourism
In July 2019 Asser Press published the book 'Sweetie 2.0—Using Artificial Intelligence to Fight Webcam Child Sex Tourism’ which was coedited by Simone van der Hof en Bart Schermer from the Center for Law and Digital Technologies, Bert-Jaap Koops from the Tilburg Institute for Law, Technology, and Society…
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Sex and gender analysis needs a more prominent role in research
Researchers, policymakers and funders have to take more account of the effect of sex and gender in scientific research. This is the view presented in an advice paper published by LERU, the League of European Research Universities. The lead author is Vice-Rector Simone Buitendijk.
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Sweetie 2.0
Sweetie 2.0 is a research project commissioned by Terre des Hommes on online child sex tourism and criminal law.
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Systems pharmacology of human neuroendocrine disease entities
An important hormone excreting gland in the human body is the pituitary
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John van Noort appointed Professor in Biophysics
Leiden University has appointed John van Noort as Professor in Biophysics. He studies the way in which our DNA is folded and read out.
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From filter bubbles to sex care robots: come to the online talk show ‘The Future of AI is Human’
How does it feel to be spied on by robots? Did you know that they too discriminate? Our entanglement with technology makes life easier, but there’s a downside too. Artists and researchers will show all aspects of this in the SAILS online talk show The Future of AI is Human. Join in on Tuesday 15 December…
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Emilie Didaskalou
Science
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Kees Waaldijk
Faculteit Rechtsgeleerdheid
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Chromatin dynamics in single genes
John van Noort
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Marieke Tollenaar
Faculteit der Sociale Wetenschappen
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Criminal Law and Teenage Sexuality
Although sexual abstinence before marriage is no longer the central message in The Netherlands the affective relationship as a criterion for professionals within criminal justice can be seen as a more contemporary version of marriage.
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Pharmacological conditioning of oxytocin responses in healthy volunteers
Is it possible to pharmacologically condition oxytocin responses in healthy individuals and identify the neural circuitry underlying such conditioning?
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Exploring novel regulators and enzymes in salicylic acid-mediated plant defense
Salicylic acid (SA) is a plant hormone, which is involved in the defense responses to pathogens and to abiotic stress, and in the regulation of plant growth and development.
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Oxidation of Therapeutic Proteins and Peptides: Structural and Biological Consequences
Oxidation is a common degradation pathway that affects therapeutic proteins and peptides during production, purification, formulation, transportation, storage and handling of solid and liquid preparations. In the present work we review the scientific literature about structural and biological consequences…
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Programme
The programme of the 3rd International Workshop on Klinefelter Syndrome, Trisomy X, and XYY. International Workshop theme: 'A life-course perspective'
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Studium Generale & YAL
YAL now has its own lecture series! In collaboration with Studium Generale, we organise ‘Young Academy Leiden lectures'.
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Sexual responses can be learned and unlearned
Undesirable associations with sex can be unlearned, but return if the circumstances change. They must therefore be unlearned in different situations. The drug D-cycloserine may help here. These are the findings of psychologist Mirte Brom.
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Shimmering Images: Trans Cinema, Embodiment, and the Aesthetics of Change
In Shimmering Images, Eliza Steinbock traces how cinema offers alternative ways to understand gender transitions through a specific aesthetics of change.
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Arabidopsis AGC3 kinases and PIN plasma membrane abundance
The plant hormone auxin plays a central role in the growth and development of plants. Auxin acts in a concentration dependent manner and polar cell-to-cell transport of this hormone determines its distribution in the tissues of plants. This polar auxin transport is mediated by several families of auxin…
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Kinetics for drug discovery – The first step towards an improved drug discovery paradigm
Supervisor: Indira Nederpelt
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Green defense against thrips- Exploring natural products for early management of western flower thrips
As a contribution to the changing legislation and evolving societal attitudes concerning environmental issues, this project aims to enhance and manipulate the plants’ own natural defense mechanisms against western flower thrips (WFT).
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Combination, variation and reproductive cues in vocalisations of the common marmoset (Callithrix jacchus)
How do common marmosets combine their calls into sequences and how are their vocalisations influenced by reproductive state?
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Development & Disease in Plant Sciences
Plant Sciences' contribution to the Development & Disease research theme is to unravel the processes that allow plants to adapt to changing abiotic and biotic environmental conditions or stresses, with the aim to contribute to the sustainable production of food, flowers and bio-based products using…
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The Chara plasma membrane system : an ancestral model for plasma membrane transport in plant cells
Multicellular giant algae Chara species have been widely used in physiological studies for decades.