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Contractures, pterygia, and spondylocarpotarsal fusion syndrome 1A
Contractures, pterygia, and spondylocarpotarsal fusion syndrome-1A (CPSFS1) is characterized by contractures of proximal and distal joints, pterygia involving the neck, axillae, elbows, and/or knees, as well as variable vertebral, carpal, and tarsal fusions and short stature. Progression of vertebral fusions has been observed, and inter- and intrafamilial variability has been reported (Carapito et al., 2016; Zieba et al., 2017; Cameron-Christie et al., 2018). An autosomal recessive form of CPSFS (CPSFS1B; 618469) is caused by compound heterozygous mutation in the MYH3 gene. [from OMIM]
Autosomal dominant inheritance
A mode of inheritance that is observed for traits related to a gene encoded on one of the autosomes (i.e., the human chromosomes 1-22) in which a trait manifests in heterozygotes. In the context of medical genetics, an autosomal dominant disorder is caused when a single copy of the mutant allele is present. Males and females are affected equally, and can both transmit the disorder with a risk of 50% for each child of inheriting the mutant allele. [from HPO]
Tourette syndrome
Tourette syndrome is a neurobehavioral disorder manifest particularly by motor and vocal tics and associated with behavioral abnormalities. Tics are sudden, brief, intermittent, involuntary or semi-voluntary movements (motor tics) or sounds (phonic or vocal tics). They typically consist of simple, coordinated, repetitive movements, gestures, or utterances that mimic fragments of normal behavior. Motor tics may range from simple blinking, nose twitching, and head jerking to more complex throwing, hitting, or making rude gestures. Phonic tics include sniffling, throat clearing, blowing, coughing, echolalia, or coprolalia. Males are affected about 3 times more often than females, and onset usually occurs between 3 and 8 years of age. By age 18 years, more than half of affected individuals are free of tics, but they may persist into adulthood (review by Jankovic, 2001). [from OMIM]
Obsessive-compulsive disorder
Obsessive-compulsive disorder (OCD) is characterized by recurring obsessions and/or compulsions and has been estimated to affect nearly 5 million people in the United States (Karno et al., 1988). Evidence for a strong genetic component in OCD comes from twin studies, family genetics studies, and segregation analyses, as reviewed by Alsobrook et al. (2002). Zhang et al. (2002) suggested that hoarding is likely to be an evolutionarily conserved trait that, in times of adversity, was associated with increased survival and reproductive fitness. However, extreme forms of this trait are associated with marked disability and poor response to treatment (Black et al., 1998; Mataix-Cols et al., 1999). [from OMIM]
Tics
Repeated, individually recognizable, intermittent movements or movement fragments that are almost always briefly suppressible and are usually associated with awareness of an urge to perform the movement. [from HPO]
Compulsive behaviors
Behavior that consists of repetitive acts, characterized by the feeling that one "has to" perform them, while being aware that these acts are not in line with one's overall goal. [from HPO]
Anxiety disorder
A category of psychiatric disorders which are characterized by anxious feelings or fear often accompanied by physical symptoms associated with anxiety. [from NCI]
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