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Degenerative disease is the result of a continuous process based on degenerative cell changes, affecting tissues or organs, which will increasingly deteriorate over time. [ 1 ] In neurodegenerative diseases , cells of the central nervous system stop working or die via neurodegeneration .
[9] [10] These similarities suggest that therapeutic advances against one neurodegenerative disease might ameliorate other diseases as well. Within neurodegenerative diseases, it is estimated that 55 million people worldwide had dementia in 2019, and that by 2050 this figure will increase to 139 million people. [11]
The disease was renamed 'pantothenate kinase-associated neurodegeneration' or PKAN by Zhou et al. (2001) [3] who suggested the name to avoid misinterpretation and to better reflect the true nature of the disorder. Most recently Pellecchia et al. (2005) published a report of 16 patients affected by PKAN, confirmed by genetic analysis.
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Degeneration is deterioration in the medical sense. Generally, it is the change from a higher to a lower form. More specifically, it is the change of tissue to a lower or less functionally active form. True degeneration: when there is actual chemical change of the tissue itself.
When referring to a disease, encephalopathy refers to a wide variety of brain disorders with very different etiologies, prognoses and implications. For example, prion diseases, all of which cause transmissible spongiform encephalopathies , are invariably fatal, but other encephalopathies are reversible and can have a number of causes including ...
These diseases cause progressive deterioration of the neuron resulting in decreased signal transduction and in some cases even neuronal death. Peripheral nervous system diseases may be further categorized by the type of nerve cell (motor, sensory, or both) affected by the disorder. Effective treatment of these diseases is often prevented by ...
A neuromuscular disease is any disease affecting the peripheral nervous system (PNS), [a] the neuromuscular junctions, or skeletal muscles, all of which are components of the motor unit. [4] Damage to any of these structures can cause muscle atrophy and weakness. Issues with sensation can also occur. Neuromuscular diseases can be acquired or ...