Titia de Lange

Titia de Lange. She is a pioneering Dutch molecular biologist renowned for her transformative research on the structure and function of telomeres, the protective caps at the ends of chromosomes. Her work has been fundamental in understanding how telomeres prevent genomic instability and their role in cancer and aging. De Lange is the Leon Hess Professor at The Rockefeller University in New York City, where she directs the Laboratory of Cell Biology and Genetics.

Early life and education

Born in Rotterdam, she developed an early interest in science. She pursued her undergraduate and doctoral studies at the University of Amsterdam, earning her PhD in 1985. Her thesis work was conducted in the laboratory of Piet Borst, focusing on the molecular biology of trypanosomes. This early research provided a strong foundation in genetics and biochemistry. Following her doctorate, she sought to apply her skills to mammalian systems, leading to a pivotal postdoctoral fellowship in the United States.

Career and research

De Lange began her independent career as a group leader at the Netherlands Cancer Institute in Amsterdam. In 1990, she moved to The Rockefeller University, where her laboratory embarked on groundbreaking studies of mammalian telomeres. Her team identified key proteins in the shelterin complex, a crucial structure that protects chromosome ends from being mistaken for DNA damage. She elucidated the t-loop structure of telomeres and discovered the role of proteins like TRF1, TRF2, and POT1. Her research has profoundly advanced the understanding of diseases such as cancer and dyskeratosis congenita, and processes like cellular senescence. She has served on numerous advisory boards, including for the Howard Hughes Medical Institute and the Damon Runyon Cancer Research Foundation.

Awards and honors

De Lange has received many of the highest accolades in science for her contributions. Her honors include the Louis-Jeantet Prize for Medicine in 2004 and the Vanderbilt Prize in Biomedical Science in 2008. She was a co-recipient of the Breakthrough Prize in Life Sciences in 2013 and received the Canada Gairdner International Award in 2014. In 2018, she was granted the Lasker-Koshland Special Achievement Award in Medical Science. More recently, she was awarded the Wolf Prize in Medicine in 2022. She is an elected member of several prestigious academies, including the Royal Netherlands Academy of Arts and Sciences, the National Academy of Sciences, and the American Academy of Arts and Sciences.

Personal life

She is married to Nicolas Christoforou, a scientist and director at The Rockefeller University. They maintain a residence in Manhattan. De Lange is known to be an avid art collector, with a particular interest in contemporary works. She has spoken about the importance of maintaining a balance between a demanding research career and personal interests outside the laboratory.

Selected publications

* de Lange, T. et al. (1990). "Structure and variability of human chromosome ends." *Molecular and Cellular Biology*. * van Steensel, B., & de Lange, T. (1997). "Control of telomere length by the human telomeric protein TRF1." *Nature*. * Smogorzewska, A., & de Lange, T. (2004). "Regulation of telomerase by telomeric proteins." *Annual Review of Biochemistry*. * Palm, W., & de Lange, T. (2008). "How shelterin protects mammalian telomeres." *Annual Review of Genetics*. * de Lange, T. (2018). "Shelterin-Mediated Telomere Protection." *Annual Review of Genetics*.

Category:1955 births Category:Living people Category:Dutch molecular biologists Category:Rockefeller University faculty Category:Wolf Prize in Medicine laureates Category:Breakthrough Prize in Life Sciences laureates