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  • 1
    ISSN: 1432-1076
    Keywords: Key words Osteochondrodysplasia ; Cerebral ischaemia ; Immunologic deficiency syndrome ; Kidney failure ; Hypothyroidism ; Focal glomerulosclerosis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Schimke immuno-osseous dysplasia (SIOD) is a rare autosomal recessive spondylo-epiphyseal dysplasia. The characteristic features of SIOD include 1) short stature with hyperpigmented macules and an unusual facies, 2) proteinuria with progressive renal failure, 3) lymphopenia with recurrent infections, and 4) cerebral ischaemia. Although 25 patients have been reported with this disorder, the clinical course and phenotype of SIOD are not well characterized. This report summarizes the clinical findings, course and treatment of reported patients and includes 14 additional patients with SIOD. We emphasize the high incidence of cerebral ischaemia and ocular abnormalities, define the high incidence of thyroid dysfunction and blood cytopenia, and confirm the absence of effective and durable medical therapies. Conclusion Schimke immuno-osseous dysplasia is a multi-system autosomal recessive disorder with variable expression that affects the skeletal, renal, immune, vascular, and haematopoietic systems. Medical therapy is limited especially for more severely affected individuals.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1432-1939
    Keywords: Diaspididae ; Water stress ; Scale ; Abscission ; Drought
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Rooted cuttings of Euonymus fortunei were grown in a 2x2 factorial design experiment with or without euonymus scales and/or water stress. Infested plants and water stressed plants abscised leaves whereas uninfested, unstressed plants did not. There was significant interaction between scale infestation and water stress, with a synergistic effect on leaf abscission. Both scale infestation and water stress reduced the root weight, but there was no resulting change in the root/shoot ratio. Naturally infested leaves on plants growing outdoors had a higher solute potential (ψs) and a lower pressure potential (ψp) than did uninfested leaves with the same water potential (ψW). Infested leaves may therefore be more prone to wilting. However, scale-damaged leaves also have increased diffusive resistance and lowered transpiration rates, suggesting that scales impair normal function of guard cells. The possible contribution of these factors to the heightened susceptibility of infested leaves to abscission following water stress is discussed.
    Type of Medium: Electronic Resource
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