PROGERIA

Progeria

Progeria

Introduction

Progeria syndrome is a genetic status characterized by the spectacular, fast look of aging starting in childhood. Affected young children normally gaze usual at birth and in early infancy, but then augment more gradually than other young children augment and manage not gain heaviness at the anticipated rate (failure to thrive). They evolve a characteristic facial look encompassing prominent eyes, a slim nose with a beaked tilt, slim lips, a little chin, and protruding ears. Progeria syndrome furthermore determinants hair decrease (alopecia), aged-looking skin, junction abnormalities, and a decrease of fat under the skin (subcutaneous fat). This status does not disturb thoughtful development or the development of engine abilities for example seated, standing, and walking (Best 2009). People with Progeria syndrome experience critical hardening of the arteries (arteriosclerosis) starting in childhood. This status substantially raises the possibilities having a heart strike or stroke at a juvenile age. These grave difficulties can make poorer over time and is life threatening for affected individuals. (MedlinePlus, 2008) Discussion

This status is very rare; it is described to happen in 1 in 4 million newborns worldwide More than 130 situations have been described in the technical publications since the status was first recounted in 1886. An outcome of the abnormal atomic membrane is expanded DNA impairment and decreased cell division. The identical means glimpsed in units throughout the usual aged process.

Classical Progeria syndrome pursues an autosomal superior convention of sign i.e. only one exact duplicate of the mutant gene is needed to origin the disease. Almost all situations come from de novo (new) mutations in the demonstration of sperm or evolving foetus. Therefore, HGPS does not run in families and the risk of having affected siblings is advised low. (Meta 2006). HGPS is exceedingly uncommon with an incidence of round 1 in 6 million newborns, with identical incident in young women and boys. Gene's Association to Progeria Syndrome

LMNA gene mutations originate from Progeria syndrome. The LMNA gene provides directions for producing a protein called lamin A. This protein performs a significant function in working out the form of the nucleus inside cells. It is a crucial scaffolding (supporting) constituent of the atomic wrapper, which is the membrane that surrounds the nucleus. Progeria syndrome result in production of an abnormal type of the protein a lamin. The changed protein made the atomic wrapper weak and damages the nucleus, producing units more probable to pass away prematurely. 

Disease Characteristics

Progeria syndrome is characterized by some clinical features that involve in childhood and resemble some characteristics of rapid aging. Those children suffering with HGPS generally emerge usual at birth. Profound malfunction flourishing happens throughout the first year. Death generally happens, the outcome of difficulties faced with cerebrovascular disease or cardiac generally between the ages of 6 to 20 years, with a mean 13 years of life span approximately. (Sadeghi 2007) Progeria Symptoms

Children with Progeria syndrome gaze wholesome at birth but show accelerated aging from round 18 months. The variety and severity of symptoms in HGPS is variable, but ...