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A comprehensive resource on the recent developments of stem cell use in wound healing With contributions from experts in the field, Wound Healing offers a thorough review of the most recent findings on the use of stem cells to heal wounds. This important resource covers both the basic and translational aspects of the field. The contributors reveal the great progress that has been made in recent years and explore a wide range of topics from an overview of the stem cell process in wound repair to inflammation and cancer. They offer a better understanding of the identities of skin stem cells as well as the signals that govern their behavior that contributes to the development of improved therap...
Abstract: The spore-forming gut bacterium Clostridium difficile is the leading cause of antibiotic-associated diarrhea in hospitalized patients. The major virulence factors are two large glucosylating cytotoxins. Hypervirulent strains (e.g. ribotype 027) with higher morbidity and mortality additionally produce the binary CDT toxin (Clostridium difficile transferase) that ADP-ribosylates actin and induces microtubule-based cell protrusions. Nanobodies are robust single domain antibodies derived from camelid heavy chain antibodies. Here we report the generation of functional nanobodies against the enzymatic CDTa and the heptameric receptor binding subunit CDTb. The nanobodies were obtained from a variable-domain repertoire library isolated from llamas immunized with recombinant CDTa or CDTb. Five CDTa-specific nanobodies blocked CDTa-mediated ADP-ribosylation of actin. Three CDTa-specific and two CDTb-specific nanobodies neutralized the cytotoxicity of CDTa+b. These nanobodies hold promise as new tools for research, diagnosis and therapy of C. difficile associated disease
For a long time, the tight junction (TJ) was known to form and regulate the paracellular barrier between epithelia and endothelial cell sheets. Starting shortly after the discovery of the proteins forming the TJ—mainly the two families of claudins and TAMPs—several other functions have been discovered, a striking one being the surprising finding that some claudins form paracellular channels for small ions and/or water. This Special Issue includes 43 articles covering numerous dedicated topics including pathogens affecting the TJ barrier, TJ regulation via immune cells, the TJ as a therapeutic target, TJ and cell polarity, function and regulation by proteins of the tricellular TJ, TJ as a regulator of cellular processes, organ- and tissue-specific functions, TJ as sensors and reacting to environmental conditions, and last but not least, TJ proteins and cancer.
A must-have reference for any researcher or scientist interested in cutaneous protective mechanisms, this guide provides expertly researched chapters on every aspect of stratum corneum structure, function, and development, as well as detailed sections on barrier-repair strategies and the role of barrier function in diseases such as atopic dermatiti
This state-of-the-art text describes the science behind the system and drug-dependent components of PBPK models, its applications in translational and regulatory science, e.g., guiding drug discovery and development, and supporting precision medicine initiatives. To incorporate state-of-the-art knowledge, each chapter is written by leaders in the field and illustrated by clear case studies. Connecting basic and applied science, this book explores the potential of PBPK modeling for improving therapeutics and is designed for a wide audience encompassing graduate students as well as biopharmaceutics scientists and clinical pharmacologists. Features: 1. Provides a basic understanding of the physiologically-based pharmacokinetic modeling and its applications 2. Assists the reader in understanding product performance to allow for rapid product development and establish bioequivalence 3. Well-constructed content and added value of real examples 4. Illustrates how using available resources via modeling and simulation leads to a reduction in the costs related to drug development, which directly affects the costs to patients
Since their first description in 1875, Merkel cells have remained an elusive cell type. Their origin as well as their classification as mechanoreceptors have been a matter of controversy and intense discussion. The peptidergic granules in these cells are suggestive of neuroendocrine functions, but their discovery has raised additional questions regarding Merkel cell function. Essential aspects of structure, development and function of normal Merkel cells and Merkel cell carcinoma are presented in short chapters, providing concise and up-to date information on this fascinating cell type.
A fundamental and groundbreaking reassessment of how we view and manage cancer When we think of the forces driving cancer, we don’t necessarily think of evolution. But evolution and cancer are closely linked because the historical processes that created life also created cancer. The Cheating Cell delves into this extraordinary relationship, and shows that by understanding cancer’s evolutionary origins, researchers can come up with more effective, revolutionary treatments. Athena Aktipis goes back billions of years to explore when unicellular forms became multicellular organisms. Within these bodies of cooperating cells, cheating ones arose, overusing resources and replicating out of cont...
This key volume of the Target Organ Toxicology Series provides a fresh and modern approach to the subject of skin toxicology from the perspective of how the skin forms a barrier that protects the body from the external environment and how chemicals and drugs interact with the barrier properties of the skin. Any defects or perturbations to this barr
"Comprising eight revised essays and seven new pieces, this work provides a comprehensive resource for students, scientists, bioethicists, physicians, and laypeople to better understand and discuss the ethical issues underlying this technology that has the potential to forever change the world"--
Although a very fragile structure, the skin barrier is probably one of the most important organs of the body. Inward/out it is responsible for body integrity and outward/in for keeping microbes, chemicals, and allergens from penetrating the skin. Since the role of barrier integrity in atopic dermatitis and the relationship to filaggrin mutations was discovered a decade ago, research focus has been on the skin barrier, and numerous new publications have become available. This book is an interdisciplinary update offering a wide range of information on the subject. It covers new basic research on skin markers, including results on filaggrin and on methods for the assessment of the barrier funct...