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Spinal and bulbar muscular atrophy (SBMA), popularly known as Kennedy's disease, is a rare, adult-onset, X-linked recessive lower motor neuron disease caused by trinucleotide CAG repeat expansions in exon 1 of the androgen receptor (AR) gene, which results in both loss of AR function and toxic gain of function.
If the overall percentage of bone-marrow myeloblasts rises over a particular cutoff (20% for WHO and 30% for FAB), then transformation to acute myelogenous leukemia (AML) is said to have occurred. The progression of MDS to AML is a good example of the multistep theory of carcinogenesis in which a series of mutations occurs in an initially ...
Many affected people will eventually become unable to walk [2] and Duchenne muscular dystrophy in particular is associated with shortened life expectancy. Muscular dystrophy was first described in the 1830s by Charles Bell. [2] The word "dystrophy" comes from the Greek dys, meaning "no, un-" and troph-meaning "nourish". [2]
Vibration exposure is also associated with hand-arm vibration syndrome, which has symptoms of lack of blood circulation to the fingers, nerve compression, tingling, and/or numbness. [19] Recent epidemiological studies identify gender as a significant risk factor in occurrence of MSDs among workers in gender-related occupations, e.g. hairdressers .
Duchenne muscular dystrophy is the most common type of muscular dystrophy, [3] with a median life expectancy of 27–31 years. [5] [11] However, with comprehensive care, some individuals may live into their 30s or 40s. [3] Duchenne muscular dystrophy is considerably rarer in females, occurring in approximately one in 50,000,000 live female ...
Acute stress disorder includes similar symptoms to PTSD — the primary difference is the timeframe. ASD develops right after trauma occurs, within the first three days, and only lasts up to four ...
19. Get your sleep. One great thing about being 50—you are completely over the social pressure to stay out late. (Though hormonal changes from menopause can have you staring at the ceiling at 2 ...
Becker muscular dystrophy occurs in approximately 1.5 to 6 in 100,000 male births, making it much less common than Duchenne muscular dystrophy. Symptoms usually appear in men at about ages 8–25, but may sometimes begin later. [17] Genetic counseling may be advisable when potential carriers or patients want to have children. Sons of a man with ...