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Advances in Mechanisms of Renal Fibrosis

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Book Series: Frontiers Research Topics ISSN: 16648714 ISBN: 9782889454990 Year: Pages: 84 DOI: 10.3389/978-2-88945-499-0 Language: English
Publisher: Frontiers Media SA
Subject: Science (General) --- Physiology
Added to DOAB on : 2019-01-23 14:53:42
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Abstract

Scarring of the glomerular and tubulointerstitial compartments is a hallmark of progressive kidney disease. Renal fibrosis involves a complex interplay between kidney cells, leukocytes and fibroblasts in which transforming growth factor-β (TGF-β) plays a key role. This eBook provides a comprehensive update on TGF-β signalling pathways and introduces a range of cellular and molecular mechanisms involved in renal fibrosis both upstream and downstream of TGF-β. The wide variety of potential new targets described herein bodes well for the future development of effective therapies to tackle the major clinical problem of progressive renal fibrosis.

Keywords

BMP7 --- fibroblast --- HDAC --- HIPK2 --- JNK --- miRNA --- non-classical RAS --- Smad --- TGF-beta

Aging, neurogenesis and neuroinflammation in hearing loss and protection

Authors: --- ---
Book Series: Frontiers Research Topics ISSN: 16648714 ISBN: 9782889196449 Year: Pages: 151 DOI: 10.3389/978-2-88919-644-9 Language: English
Publisher: Frontiers Media SA
Subject: Science (General) --- Neurology
Added to DOAB on : 2016-08-16 10:34:25
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Worldwide, 278 million people are estimated to have moderate to profound hearing loss. Age-related hearing loss, also known as presbyacusis, affects approximately half of the population over 60 years old, making it the second most common cause of disability in older people. Hearing loss occurs when the sensory cells and neurons of the cochlea degenerate and die. The vestibular system, which holds the sense of balance, shares a common embryonic origin with the cochlea and together conform the inner ear. Balance problems are a trait of ageing to the point that balance ability is considered a sensor of physical decline and vestibular degeneration is the most common cause of falls in the elderly. Still the molecular bases of ageing in the vestibular system have not been studied in detail. Genetic and environmental factors contribute to the progression of age-related hearing loss (ARHL). Being noise the main environmental noxious agent for human hearing in the industrialized societies. There is no restorative treatment for deafness but functional replacement by means of prosthesis. Therefore, prevention and treatment of hearing loss is an unmet medical need. To develop innovative medical strategies against hearing loss, it is critical to understand the causes of ARHL and the essential pathways responsible for the manifestation of this complex disease. In this research topic, experts will discuss the stages and molecular elements of the damage and repair processes involved in ARHL, from cellular processes to molecules involved in aging. Oxidative stress takes a central stage as an essential element in the progression of injury and cell loss, and a target for cell protection strategies. Finally, the mechanisms of action and the potential of novel therapies for hair cell repair and protection will be discussed along with drug delivery strategies.

The Epithelial-to-Mesenchymal Transition (EMT) in Cancer

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ISBN: 9783038427933 9783038427940 Year: Pages: VI, 254 Language: English
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Biology
Added to DOAB on : 2018-04-27 16:09:54
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The epithelial-to-mesenchymal transition (EMT) is a highly dynamic process with multiple transitional states, by which epithelial cells can convert into a mesenchymal phenotype. This process involves loss of cellular adhesion and cellular polarity, and an improvement in migratory and invasive properties. It occurs during normal embryonic development, tissue regeneration, organ fibrosis, and wound healing. It is also involved in tumor progression with metastatic expansion, and plays a major role in resistance to cancer treatment. In cancers, EMT inducers are hypoxia, cytokines and growth factors secreted by the tumor microenvironment, stroma crosstalk, metabolic changes, innate and adaptive immune responses, and treatment with antitumor drugs. Switch in gene expression from epithelial to mesenchymal phenotype is triggered by complex regulatory networks involving transcriptional control, non-coding RNAs, chromatin remodeling and epigenetic modifications, alternative splicing, post-translational regulation, protein stability and subcellular localization. Reversion of EMT, the mesenchymal-to-epithelial transition (MET), affects circulating cancer cells when they reach a desirable metastatic niche to develop secondary tumors. More knowledge and control of EMT to MET is necessary and will be beneficial for patients for cancer treatment. This current Special Issue entitled “Epithelial to Mesenchymal Transition in Cancer” will address these questions.

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