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131.
132.
J E Deal R W Groves A W Harmer K I Welsh D M MacDonald S P Rigden 《BMJ (Clinical research ed.)》1991,303(6795):161-163
OBJECTIVE--To describe the association between epithelial cell IgM, which has previously been associated with an increased incidence of loss of renal graft in children, with a novel cutaneous eruption and unexplained native renal disease. DESIGN--Observational study on children with epithelial cell antibody presenting with unexplained renal or skin disease. SETTING--General paediatric department and regional paediatric nephrology unit. PATIENTS--Six children (five girls, one boy), who presented to the unit in 1989-90. RESULTS--Three children, two of whom had a history of a hyperpigmented rash, presented with hypertension, proteinuria, and impaired renal function. Renal biopsy specimens from two of these children showed severe arteriolar endothelial cell swelling with arteriolar occlusion. These children fully recovered after treatment with antihypertensive drugs. The third child developed end stage renal failure and required dialysis. Three other children presented with an unusual cutaneous eruption but no evidence of renal disease. Histology of the skin lesions showed acute epidermal necrosis and features consistent with a viral infection. CONCLUSIONS--The aetiology and pathogenesis of the epithelial cell antibody are unknown. These cases indicate that it may have a role in native kidney disease and focal epidermal necrosis. Clinical and histological features suggest that the antibody may be associated with a viral infection. 相似文献
133.
Matthew B. Warren Abbie Pringle Catherine J. Harmer 《Philosophical transactions of the Royal Society of London. Series B, Biological sciences》2015,370(1677)
The way in which emotion is represented and processed in the human brain is an expanding area of research and has key implications for how we understand and potentially treat affective disorders such as depression. Characterizing the effects of pharmacological manipulations of key neurotransmitter systems can also help reveal the neurochemical underpinnings of emotional processing and how common antidepressant drugs may work in the treatment of depression and anxiety. This approach has revealed that depression is associated with both neural and behavioural biases towards negative over positive stimuli. Evidence from pharmacological challenge studies suggests that antidepressant treatment acts to normalize these biases early on in treatment, resulting in patients experiencing the world in a more positive way, improving their mood over time. This model is supported by evidence from both pharmacological and non-pharmacological interventions. The unique perspective on antidepressant treatment offered by this approach provides some insights into individual response to treatment, as well as novel approaches to drug development. 相似文献
134.
S K Hunter M W Thompson P A Ruell A R Harmer J M Thom T H Gwinn R D Adams 《Journal of applied physiology》1999,86(6):1858-1865
This study investigated the adaptations of skeletal muscle sarcoplasmic reticulum (SR) Ca2+ uptake, relaxation, and fiber types in young (YW) and elderly women (EW) to high-resistance training. Seventeen YW (18-32 yr) and 11 EW (64-79 yr) were assessed for 1) electrically evoked relaxation time and rate of the quadriceps femoris; and 2) maximal rates of SR Ca2+ uptake and Ca2+-ATPase activity and relative fiber-type areas, analyzed from muscle biopsies of the vastus lateralis. EW had significantly slower relaxation rates and times, decreased SR Ca2+ uptake and Ca2+-ATPase activity, and a larger relative type I fiber area than did YW. A subgroup of 9 young (YWT) and 10 elderly women (EWT) performed 12 wk of high-resistance training (8 repetition maximum) of the quadriceps and underwent identical testing procedures pre- and posttraining. EWT significantly increased their SR Ca2+ uptake and Ca2+-ATPase activity in response to training but showed no alterations in speed of relaxation or relative fiber-type areas. In YWT none of the variables was altered after resistance training. These findings suggest that 1) a reduced SR Ca2+ uptake in skeletal muscle of elderly women was partially reversed with resistance training and 2) SR Ca2+ uptake in the vastus lateralis was not the rate-limiting mechanism for the slowing of relaxation measured from electrically evoked quadriceps muscle of elderly women. 相似文献
135.