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BACKGROUND
Reflex seizures are epileptic events triggered by specific motor, sensory or cognitive stimulation. This comprehensive narrative review focuses on the role of genetic determinants in humans and animal models of reflex seizures and epilepsies.
METHODS
References were mainly identified
Sialidosis is an autosomal recessive lysosomal storage disease caused by pathogenic variants in NEU1 which encodes lysosomal sialidase (neuraminidase 1). Lysosomal neuraminidase catalyzes the removal of terminal sialic acid molecules from glycolipids, glycoproteins and oligosaccharides. Sialidosis
Lysosomes contain several dozen different enzymes, mostly acid hydrolases. Materials not digested due to deficient lysosomal enzymes are usually large cellular molecules, which are deposited within the cells. The strategy for medicinal therapy of lysosomal storages disease may be to develop the
OBJECTIVE
Lysosomal storage diseases are a group of inherited disorders caused by deficiency of lysosomal enzymes or structural components. The manifestations of lysosomal storage diseases are complicated due to different enzyme deficiency. It has been reported that a range of metabolic diseases
About two thirds of the patients affected with lysosomal storage diseases (LSD) experience neurological manifestations, such as developmental delay, seizures, or psychiatric problems. In order to develop efficient therapies, it is crucial to understand the neuropathophysiology underlying these
Neuronal storage disorders are fatal neurodegenerative diseases of humans and animals that are caused by inherited deficiencies of lysosomal hydrolase activity. Affected individuals often appear normal at birth but eventually develop progressive neurologic symptoms including sensory and motor
Since the discovery of the lysosome in 1955, advances have been made in understanding the key roles and functions of this organelle. The concept of lysosomal storage diseases (LSDs)--disorders characterized by aberrant, excessive storage of cellular material in lysosomes--developed following the
The neuronal ceroid-lipofuscinoses (Batten disease) are a group of severe neurodegenerative disorders characterized clinically by visual loss, seizures and psychomotor degeneration, and pathologically by loss of neurons and lysosomal accumulation of autofluorescent storage material resembling ageing
BACKGROUND
GM1 gangliosidosis is a rare lysosomal storage disorder caused by GLB1 mutations. Because of its extreme rarity and symptoms that overlap with other neurodegenerative diseases, its diagnosis is sometimes challenging, especially in the late infantile form with less severe phenotype. We aim
Presynaptic endosomes reportedly participate in synaptic vesicle (SV) recycling. However, it remains unclear whether they differentially regulate SV biogenesis and synaptic transmission in different types of synapses and how they are implicated in diseases. Using cryo-electron tomography and
Cerebellar disease can be congenital or acquired. Clinical signs of cerebellar disease include hypermetric gait in all limbs, normal to increased muscle tone, wide-based stance, swaying, intention tremor, and convulsions. Vestibular signs may be observed. Differential diagnoses for etiology include
Although of clinical importance, little is known about the mechanism of seizure in neuronal ceroid lipofuscinosis (NCL). In the present study, we have attempted to elucidate the mechanism underlying the seizure of cathepsin D-deficient (CD-/-) mice that show a novel type of lysosomal storage disease
Hunter disease (mucopolysaccharidosis type II, MPS II) is an X-linked lysosomal storage disease caused by deficiency of iduronate-2-sulfatase. Accumulation of chondroitin sulfate B and heparan sulfate in various tissues is the biochemical consequence of MPS II. Children with Hunter disease are
Infantile neuronal ceroid lipofuscinosis (INCL, Infantile Batten disease) is a neurodegenerative lysosomal storage disease caused by a deficiency in palmitoyl protein thioesterase-1 (PPT1). The PPT1-deficient mouse (Cln1(-/-)) is a useful phenocopy of human INCL. Cln1(-/-) mice display retinal
BACKGROUND
Neuronal ceroid lipofuscinoses are a group of inherited autosomal recessive lysosomal diseases, most commonly found in infancy. These are neuropathologically characterised by accumulation of an autofluorescent lipopigment in neurons and other cells. This condition is clinically