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Altered dipeptidyl peptidase-4 (DPP4) activity during the progression of late-stage type 2 diabetes was measured in Otsuka Long-Evans Tokushima fatty (OLETF) rats. Compared with OLETF rats subjected to 30% food restriction, food-satiated OLETF rats exhibited spontaneous hyperphagic obesity, insulin
Dry age-related macular degeneration (AMD) accounts for over 85% of AMD cases in the United States, whereas Japanese AMD patients predominantly progress to wet AMD or polypoidal choroidal vasculopathy. Recent genome-wide association studies have revealed a strong association between AMD and an
Immunohistochemical techniques have been used to study a group of membrane peptidases in the distal segment of the ulnar nerve of piglets 7 and 14 days after surgical section. Five peptidases were studied, all of which have a wide distribution on the surfaces of many cell types and have roles in
Autosomal dominant optic atrophy (DOA) is the most frequent form of hereditary optic atrophy, a disease presenting with considerable inter- and intra-familial clinical variability. Although a number of mutations in different genes are now known to cause DOA, many cases remain undiagnosed. In an
OBJECTIVE
To examine if the genes encoding the pleckstrin homology domain-containing protein gene (PLEKHA1), hypothetical LOC387715/ARMS2 gene, and HtrA serine peptidase 1 gene (HTRA1) located on the long arm of chromosome 10 (10q26 region) confer risk for neovascular age-related macular
Traumatic brain injury (TBI) produces a rapid and excessive elevation in extracellular glutamate associated with excitotoxicity and secondary brain pathology. The peptide neurotransmitter Nacetylaspartylglutamate (NAAG) suppresses glutamate transmission through selective activation of presynaptic
The sequential processing of single pass transmembrane proteins via ectodomain shedding followed by intramembrane proteolysis is involved in a wide variety of signaling processes, as well as maintenance of membrane protein homeostasis. Here we report that the recently identified frontotemporal lobar
OBJECTIVE
To identify the genetic basis of a childhood-onset syndrome of variable severity characterised by progressive spinocerebellar ataxia, mental retardation, psychotic episodes and cerebellar atrophy.
METHODS
Identification of the underlying mutations by whole exome and whole genome
OBJECTIVE
We explored associations between age-related macular degeneration (AMD) and genetic variants of 10 genes in a nationwide Chinese population.
METHODS
In this multicenter case-control study, 535 AMD patients and 469 controls were recruited from 16 centers that spread from the north to the
Fungi are capable of degrading proteins in their environment by secreting peptidases. However, the link between extracellular digestion and intracellular proteolysis has scarcely been investigated. Mycelial lysates of the filamentous fungus Talaromyces emersonii were screened for intracellular
Polypoidal choroidal vasculopathy (PCV), a subtype of age-related macular degeneration (AMD) more frequently seen in East Asians, has both common and distinct clinical manifestations with typical neovascular AMD (tAMD). We aim to examine the extent to which common genetic variants are shared between
OBJECTIVE
To investigate whether variants in the LOC387715 locus and the HtrA serine peptidase 1 (HTRA1) gene within the 10q26 locus are associated with polypoidal choroidal vasculopathy (PCV) and wet age-related macular degeneration (AMD) in a Japanese population, and whether genetic diversity
Age-related macular degeneration (AMD) is a late onset vision disorder. Recent studies demonstrate that alterations in complement cascade genes are associated with AMD. Of the three identified complement loci, variants in complement factor H (CFH) have the highest impact as does an independent locus
With the use of selective inhibitors of arylamidase, four dipeptyl peptidases (I, II, III, and IV) capable of hydrolyzing the beta-naphthylamides of Gly-Arg, Lys-Ala, Arg-Arg and Gly-Pro, respectively, were distinguished in homogenates of human muscle. Dipeptidyl peptidase I showed maximum activity