نتایج جستجو برای: dwarfism
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Robinow syndrome is an extremely rare genetic disorder. Short-limbed dwarfism, abnormalities in the head, face, and external genitalia, as well as vertebral defects comprise its distinct features. This disorder exists in dominant and recessive patterns. Patients with the dominant pattern exhibit moderate symptoms. More physical characteristics and skeletal abnormalities characterize the recessi...
The greatest difference between species is size; however, the developmental mechanisms determining organism growth remain poorly understood. Primordial dwarfism is a group of human single-gene disorders with extreme global growth failure (which includes Seckel syndrome, microcephalic osteodysplastic primordial dwarfism I [MOPD] types I and II, and Meier-Gorlin syndrome). Ten genes have now been...
The rice (Oryza sativa) DELLA protein SLR1 acts as a repressor of gibberellin (GA) signaling. GA perception by GID1 causes SLR1 protein degradation involving the F-box protein GID2; this triggers GA-associated responses such as shoot elongation and seed germination. In GA-insensitive and GA biosynthesis mutants, SLENDER RICE1 (SLR1) accumulates to high levels, and the severity of dwarfism is us...
Ames dwarf (Prop1 (df/df) ) mice are remarkably long-lived and exhibit many characteristics of delayed aging and extended healthspan. Caloric restriction (CR) has similar effects on healthspan and lifespan, and causes an extension of longevity in Ames dwarf mice. Our study objective was to determine whether Ames dwarfism or CR influence neuromusculoskeletal function in middle-aged (82 ± 12 week...
Rats with dwarfism accompanied by skeletal abnormalities, such as shortness of the limbs, tail, and body (dwarf rats), emerged in a Jcl-derived Sprague-Dawley rat colony maintained at the Institute for Animal Experimentation, St. Marianna University Graduate School of Medicine. Since the dwarfism was assumed to be due to a genetic mutation based on its frequency, we bred the dwarf rats and inve...
Çamptomelic dysplasia is a fatal infantile dysplasia characterized by lower limb bowing and mesomelic dwarfism. Most of this skeletal dysplasia occur through spontaneous mutation, but recessive autosomic recession is also likely. Prenatal diagnosis is considered with ultrasonography and amniocentesis. Postnatal diagnosis is characterized by mesomelic dwarfism with limb bowing, pulmonary h...
background : malnutrition is still a major health problem in the developing countries. it is recognized that 60% of deaths among children under five year in these countries are associated with malnutrition. the aim of this study was to estimate the prevalence of malnutrition in children under 5 years old in iranshahr in 2011. materials and methods : this is a cross-sectional descriptive study...
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