The biochemical and biophysical properties of the extracellular matrix (ECM) dictate tissue-specific cell behaviour. The molecules that are associated with the ECM of each tissue, including collagens, proteoglycans, laminins and fibronectin, and the manner in which they are assembled determine the structure and the organization of the resultant ECM. The product is a specific ECM signature that is comprised of unique compositional and topographical features that both reflect and facilitate the functional requirements of the tissue.

/pdf/extracellular-matrix-assembly-a-multiscale-deconstruction-3ucggnbaz1.pdf

Extracellular matrix assembly: a multiscale deconstruction

A new blood–brain barrier model using primary rat brain endothelial cells, pericytes and astrocytes

Construction of tissue engineered nerve grafts and their application in peripheral nerve regeneration

The effects of aging in the hippocampus and cognitive decline.

Synaptic loss is the major neurobiological substrate of cognitive dysfunction in Alzheimer’s disease (AD). Synaptic failure is an early event in the pathogenesis that is clearly detectable already in patients with mild cognitive impairment (MCI), a prodromal state of AD. It progresses during the course of AD and in most early stages involves mechanisms of compensation before reaching a stage of decompensated function. This dynamic process from an initially reversible functionally responsive stage of down-regulation of synaptic function to stages irreversibly associated with degeneration might be related to a disturbance of structural brain self-organization and involves morphoregulatory molecules such as the amyloid precursor protein. Further, recent evidence suggests a role for diffusible oligomers of amyloid β in synaptic dysfunction. To form synaptic connections and to continuously re-shape them in a process of ongoing structural adaptation, neurons must permanently withdraw from the cell cycle. Previously, we formulated the hypothesis that differentiated neurons after having withdrawn from the cell cycle are able to use molecular mechanisms primarily developed to control proliferation alternatively to control synaptic plasticity. The existence of these alternative effector pathways within neurons might put them at risk of erroneously converting signals derived from plastic synaptic changes into the program of cell cycle activation, which subsequently leads to cell death. The molecular mechanisms involved in cell cycle activation might, thus, link aberrant synaptic changes to cell death.

Synaptic degeneration in Alzheimer’s disease

Handbook of neurochemistry and molecular neurobiology.

Tienda online donde Comprar Handbook of Neurochemistry and Molecular Neurobiology · Degenerative Diseases of the Nervous System al precio 199,45 € de Battistin, Leontino | Mandel, Sylvia A. | Riederer, Peter | Youdin, Moussa B.H. | Lajtha, Abel, tienda de Libros de Medicina, Libros de Biologia - Virologia

Comprar Handbook of Neurochemistry and Molecular Neurobiology · Degenerative Diseases of the Nervous System | Battistin, Leontino | 9780387303444 | Springer

Gene and Protein Expression Profiling in Parkinson's Disease: Quest for Neuroprotective Drugs

Global gene-expression studies have labored to understand the mechanisms of neuronal cell death in many diseases such as Parkinson's disease (PD), Alzheimer's disease (AD), amyotrophic lateral sclerosis (ALS), and prion disease. In many of these studies, common mechanisms causing neurodegeneration were revealed, such as neuroinflammatory cascades, oxidant as well as antioxidant proteins, apoptotic and antiapoptotic cascades, neuronal differentiation, synaptic trafficking mechanisms, transcription signaling, and ubiquitin–proteasomal cascades. This chapter presents the recent findings of gene-expression profiling in PD animal models, cell culture, and post-mortem sporadic PD subjects substantia nigra pars compacta (SNpc), where the dopamine neurons degenerate. The chapter also compares the findings in different animal and cell culture models and compares the findings to the recent findings in human patients.

Chapter 8 – Genes and Oxidative Stress in Sporadic and Familial Parkinsonism: cDNA Microarray Studies

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Handbook of neurochemistry and molecular neurobiology.

Comprar Handbook of Neurochemistry and Molecular Neurobiology · Degenerative Diseases of the Nervous System | Battistin, Leontino | 9780387303444 | Springer

Gene and Protein Expression Profiling in Parkinson's Disease: Quest for Neuroprotective Drugs

Chapter 8 – Genes and Oxidative Stress in Sporadic and Familial Parkinsonism: cDNA Microarray Studies