Clemens van Blitterswijk

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Clemens van Blitterswijk
VanBlitterswijk.JPG
Clemens van Blitterswijk
Born1957 (age 6667)
The Hague, Netherlands
NationalityDutch
Alma mater University of Leiden
AwardsJean Leray Award;

The Marie Parijs Award; The Klein Award;

George Winter Award; Huibregtsen Prize; Career Achievement Award;
Scientific career
Fields Biomedical engineering, biomaterials, tissue engineering
Institutions University of Maastricht

Clemens A. van Blitterswijk (1957, The Hague) is a Dutch tissue engineer who contributed to the use of biomaterials to heal bone injuries, especially using osteoinductive ceramics. [1] [2] In collaboration with Jan de Boer and others, he has contributed to screening microtextures to study cell-biomaterial interactions, an approach termed materiomics.

Contents

Career

Blitterswijk graduated from a bachelor in cell biology at Leiden University and defended his PhD thesis in 1985 at the same university on artificial ceramic middle ear implants under the supervision of Professor Jan Grote [3] and Klaas de Groot, [4] for which he was awarded the Jean Leray young scientist award from the European Society for Biomaterials in 1987. [5] From 1985 to 1996, he worked on hydroxyapatite biomaterials for middle ear implants under the mentorship of Jan Grote [6] [7] [8] and Klaas De Groot [9] [10] at Leiden University.

In 1996, he left Leiden University and co-founded, together with Klaas De Groot, IsoTis BV, a life sciences company focused on bone biomaterials and tissue engineering.

In 1997, he became a professor at University of Twente. Later, he was appointed director of the University of Twente's MIRA Institute for Biomedical Technology and Technical Medicine institute (the institute no longer exists). In collaboration with Jan de Boer, Hemant Unadkat, and Dimitrios Stamatialis, he contributed to the development of a high-throughput assay to design and select micrometer-scale surface textures that could enhance specific biological functions (TopoChip). [11] [12]

In 2012, he became a partner of the Life Science Partner (LSP) private investment firm where he invests in private companies and startups related to healthcare innovations. [13]

In 2014, he became a distinguished professor at Maastricht University. [14] Until 2018, he was the director and department chair at the MERLN Institute at Maastricht University. In 2015, he was awarded an ERC Advanced grant that aimed at developing microfabricated and microfluidic cell culture platforms for improving organoids. [15] The conception of this grant application and the research relative to it were done by several principal investigators at Maastricht University. [16] [17] [18] [19] [20] [21]

Valorization

He has served as CEO of IsoTis., [22] a company that underwent an Initial Public Offering and was subsequently acquired by Integra LifeSciences. [23] [24] In 2018, he became the chairman of the board of directors of Kuros Biosciences. [25]

Teaching

Blitterswijk has been the official supervisor of over 80 PhD candidates who, in their large majority, have worked in the laboratories of other faculty members. He has participated as an editor of four textbooks, including one dedicated to tissue engineering. [26]

Awards

Ten outstanding publications as a co-author or corresponding author

Related Research Articles

<span class="mw-page-title-main">Collagen</span> Most abundant structural protein in animals

Collagen is the main structural protein in the extracellular matrix of a body's various connective tissues. As the main component of connective tissue, it is the most abundant protein in mammals. 25% to 35% of a mammalian body's protein content is collagen. Amino acids are bound together to form a triple helix of elongated fibril known as a collagen helix. The collagen helix is mostly found in connective tissue such as cartilage, bones, tendons, ligaments, and skin. Vitamin C is vital for collagen synthesis, and Vitamin E improves the production of collagen.

<span class="mw-page-title-main">Osteoblast</span> Cells secreting extracellular matrix

Osteoblasts are cells with a single nucleus that synthesize bone. However, in the process of bone formation, osteoblasts function in groups of connected cells. Individual cells cannot make bone. A group of organized osteoblasts together with the bone made by a unit of cells is usually called the osteon.

<span class="mw-page-title-main">Ultrastructure</span> Detail hidden to optical microscopes

Ultrastructure is the architecture of cells and biomaterials that is visible at higher magnifications than found on a standard optical light microscope. This traditionally meant the resolution and magnification range of a conventional transmission electron microscope (TEM) when viewing biological specimens such as cells, tissue, or organs. Ultrastructure can also be viewed with scanning electron microscopy and super-resolution microscopy, although TEM is a standard histology technique for viewing ultrastructure. Such cellular structures as organelles, which allow the cell to function properly within its specified environment, can be examined at the ultrastructural level.

<span class="mw-page-title-main">Embryoid body</span> Three-dimensional aggregate of pluripotent stem cells

Embryoid bodies (EBs) are three-dimensional aggregates formed by pluripotent stem cells. These include embryonic stem cells (ESC) and induced pluripotent stem cells (iPSC)

Bone morphogenetic proteins (BMPs) are a group of growth factors also known as cytokines and as metabologens. Professor Marshall Urist and Professor Hari Reddi discovered their ability to induce the formation of bone and cartilage, BMPs are now considered to constitute a group of pivotal morphogenetic signals, orchestrating tissue architecture throughout the body. The important functioning of BMP signals in physiology is emphasized by the multitude of roles for dysregulated BMP signalling in pathological processes. Cancerous disease often involves misregulation of the BMP signalling system. Absence of BMP signalling is, for instance, an important factor in the progression of colon cancer, and conversely, overactivation of BMP signalling following reflux-induced esophagitis provokes Barrett's esophagus and is thus instrumental in the development of esophageal adenocarcinoma.

<span class="mw-page-title-main">Hydroxyapatite</span> Naturally occurring mineral form of calcium apatite

Hydroxyapatite is a naturally occurring mineral form of calcium apatite with the formula Ca5(PO4)3(OH), often written Ca10(PO4)6(OH)2 to denote that the crystal unit cell comprises two entities. It is the hydroxyl endmember of the complex apatite group. The OH ion can be replaced by fluoride or chloride, producing fluorapatite or chlorapatite. It crystallizes in the hexagonal crystal system. Pure hydroxyapatite powder is white. Naturally occurring apatites can, however, also have brown, yellow, or green colorations, comparable to the discolorations of dental fluorosis.

<span class="mw-page-title-main">Bioactive glass</span> Surface reactive glass-ceramic biomaterial

Bioactive glasses are a group of surface reactive glass-ceramic biomaterials and include the original bioactive glass, Bioglass. The biocompatibility and bioactivity of these glasses has led them to be used as implant devices in the human body to repair and replace diseased or damaged bones. Most bioactive glasses are silicate-based glasses that are degradable in body fluids and can act as a vehicle for delivering ions beneficial for healing. Bioactive glass is differentiated from other synthetic bone grafting biomaterials, in that it is the only one with anti-infective and angiogenic properties.

<span class="mw-page-title-main">Biomaterial</span> Any substance that has been engineered to interact with biological systems for a medical purpose

A biomaterial is a substance that has been engineered to interact with biological systems for a medical purpose – either a therapeutic or a diagnostic one. The corresponding field of study, called biomaterials science or biomaterials engineering, is about fifty years old. It has experienced steady growth over its history, with many companies investing large amounts of money into the development of new products. Biomaterials science encompasses elements of medicine, biology, chemistry, tissue engineering and materials science.

<span class="mw-page-title-main">Thyroid hormone receptor alpha</span> Protein-coding gene in the species Homo sapiens

Thyroid hormone receptor alpha (TR-alpha) also known as nuclear receptor subfamily 1, group A, member 1 (NR1A1), is a nuclear receptor protein that in humans is encoded by the THRA gene.

Amorphous calcium phosphate (ACP) is a glassy solid that is formed from the chemical decomposition of a mixture of dissolved phosphate and calcium salts (e.g. (NH4)2HPO4 + Ca(NO3)2). The resulting amorphous mixture consists mostly of calcium and phosphate, but also contains varying amounts of water and hydrogen and hydroxide ions, depending on the synthesis conditions. Such mixtures are also known as calcium phosphate cement.

<span class="mw-page-title-main">Klaas de Groot</span> Dutch bioengineer (1940–2024)

Klaas de Groot was a Dutch bioengineer. He worked as professor at Leiden University and the University of Twente.

Materiomics is the holistic study of material systems. Materiomics examines links between physicochemical material properties and material characteristics and function. The focus of materiomics is system functionality and behavior, rather than a piecewise collection of properties, a paradigm similar to systems biology. While typically applied to complex biological systems and biomaterials, materiomics is equally applicable to non-biological systems. Materiomics investigates the material properties of natural and synthetic materials by examining fundamental links between processes, structures and properties at multiple scales, from nano to macro, by using systematic experimental, theoretical or computational methods.

<span class="mw-page-title-main">Artificial bone</span> Bone-like material

Artificial bone refers to bone-like material created in a laboratory that can be used in bone grafts, to replace human bone that was lost due to severe fractures, disease, etc.

<span class="mw-page-title-main">Mineralized tissues</span> Biological tissues incorporating minerals

Mineralized tissues are biological tissues that incorporate minerals into soft matrices. Typically these tissues form a protective shield or structural support. Bone, mollusc shells, deep sea sponge Euplectella species, radiolarians, diatoms, antler bone, tendon, cartilage, tooth enamel and dentin are some examples of mineralized tissues.

<span class="mw-page-title-main">Samuel I. Stupp</span> Costa Rican-American Chemist

Samuel I. Stupp, is a Board of Trustees Professor of Materials Science, Chemistry, and Medicine at Northwestern University in Chicago, IL. He is best known for his work on self-assembling materials and supramolecular chemistry. One of his most notable discoveries is a broad class of peptide amphiphiles that self-assemble into high aspect ratio nanofibers with extensive applications in regenerative medicine. He has also made significant contributions to the fields of supramolecular chemistry, nanotechnology, and organic electronic materials. He has over 500 peer-reviewed publications and was one of the 100 most cited chemists in the 2000–2010 decade.

A 3D cell culture is an artificially created environment in which biological cells are permitted to grow or interact with their surroundings in all three dimensions. Unlike 2D environments, a 3D cell culture allows cells in vitro to grow in all directions, similar to how they would in vivo. These three-dimensional cultures are usually grown in bioreactors, small capsules in which the cells can grow into spheroids, or 3D cell colonies. Approximately 300 spheroids are usually cultured per bioreactor.

The in vivo bioreactor is a tissue engineering paradigm that uses bioreactor methodology to grow neotissue in vivo that augments or replaces malfunctioning native tissue. Tissue engineering principles are used to construct a confined, artificial bioreactor space in vivo that hosts a tissue scaffold and key biomolecules necessary for neotissue growth. Said space often requires inoculation with pluripotent or specific stem cells to encourage initial growth, and access to a blood source. A blood source allows for recruitment of stem cells from the body alongside nutrient delivery for continual growth. This delivery of cells and nutrients to the bioreactor eventually results in the formation of a neotissue product. 

<span class="mw-page-title-main">Joyce Wong</span> American engineer and professor

Joyce Y. Wong is an American engineer who is Professor of Biomedical Engineering and Materials Science and Engineering at Boston University. Her research develops novel biomaterials for the early detection treatment of disease. Wong is the Inaugural Director of the Provost's Initiative to promote gender equality and inclusion in STEM at all levels: Advance, Recruit, Retain and Organize Women in STEM. She is a Fellow of the American Association for the Advancement of Science, American Institute for Medical and Biological Engineering and Biomedical Engineering Society.

A blastoid is an embryoid, a stem cell-based embryo model which, morphologically and transcriptionally resembles the early, pre-implantation, mammalian conceptus, called the blastocyst. The first blastoids were created by the Nicolas Rivron laboratory by combining mouse embryonic stem cells and mouse trophoblast stem cells. Upon in vitro development, blastoids generate analogs of the primitive endoderm cells, thus comprising analogs of the three founding cell types of the conceptus, and recapitulate aspects of implantation on being introduced into the uterus of a compatible female. Mouse blastoids have not shown the capacity to support the development of a foetus and are thus generally not considered as an embryo but rather as a model. As compared to other stem cell-based embryo models, blastoids model the preimplantation stage and the integrated development of the conceptus including the embryo proper and the two extraembryonic tissues. The blastoid is a model system for the study of mammalian development and disease. It might be useful for the identification of therapeutic targets and preclinical modelling.

Thomas J. Webster is an American biomedical engineer, researcher, and entrepreneur. Throughout his over 25-year academic career, his research group has produced several books and book chapters. He has over 1350 publications and has an H-index of 118. This high H-index places him amongst the top 1% of researchers in his field.

References

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