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  • 1
    ISSN: 1432-0428
    Keywords: Keywords Diabetes, angiostatin, VEGF, bFGF, angiogenesis, retinopathy, cytokine, growth factors, photocoagulation, retina.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Aims/hypothesis. Proliferative diabetic retinopathy is a major debilitating disease causing most cases of blindness in humans in the Western world. Photocoagulation is the established therapy of proliferative diabetic retinopathy, although the molecular mechanisms of its effects are still not known. Recently angiostatin has been characterized as a potent inhibitor of neovascularization. Apart from a possible down-regulation of angiogenic cytokines, release of angiostatin could initiate the anti-angiogenic effects of retinal photocoagulation.¶Methods. We investigated the regulation of angiostatin and the angiogenic cytokines vascular endothelial growth factor and basic fibroblast growth factor in vivo by comparing vitreal concentrations of 18 control patients and 34 patients with proliferative diabetic retinopathy with and without previous photocoagulation. Concentrations of basic fibroblast growth factor and angiostatin were additionally measured in serum, while vascular endothelial growth factor is known to be regulated locally in the eye. Cytokines were measured by immunological methods.¶Results. Angiostatin could be detected in 2 out of 18 control patients and in 25 out of 34 diabetic patients (p 〈 0.00 001). Most importantly, production of angiostatin in human vitreous correlated significantly with previous retinal photocoagulation (p 〈 0.0001) in patients with proliferative diabetic retinopathy. Only two patients (one control and one diabetic) had detectable serum concentrations of angiostatin. Additionally patients with proliferative diabetic retinopathy and with previous photocoagulation had significantly lower concentrations of vascular endothelial growth factor (0.9 ± 0.1 ng/ml; p 〈 0.0001) than diabetic patients without previous photocoagulation (4.0 ± 0.8 ng/ml). The investigation of vitreal and serum basic fibroblast growth factor concentrations yielded no significant differences between the groups.¶Conclusion/interpretation. Angiostatin is not a regularly expressed angiogenesis inhibitor in human vitreous. The alterations we observed suggest that local release of angiostatin and down-regulation of vascular endothelial growth factor mediate the therapeutic effects of retinal photocoagulation in proliferative diabetic retinopathy. [Diabetologia (2000) 43: 1404–1407]
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1432-1440
    Keywords: Constitutional connective tissue disorder ; fibroblast cultures ; collagen biosynthesis ; Konstitutionelle Bindegewebserkrankung ; Fibroblastenkulturen ; Kollagenbiosynthese
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Es wird über eine konstitutionelle Bindegewebserkrankung bei dem 10 Jahre alten Sohn blutsverwandter Eltern berichtet. Das klinische und röntgenologische Befundmuster unterscheidet sich von bisher bekannten Syndromen, insbesondere der Osteogenesis imperfecta und dem Marfan-Syndrom, mit denen gewisse Ähnlichkeiten bestehen. In Fibroblastenkulturen aus Hautbiopsien wurde die Kollagenbiosynthese untersucht. Dabei zeigte sich, daß die Fibroblasten unterschiedliche Typen von α1-Ketten synthetisieren, während α2-Ketten weder im Kulturmedium noch in Zellextrakten nachgewiesen werden konnten. Es wird vermutet, daß die Störung der Kollagenbiosynthese mit den klinischen und röntgenologischen Befunden der Erkrankung in Verbindung steht.
    Notes: Summary An apparently “new” connective tissue disorder is described in the 10 year old son of consanguineous parents. The patient showed clinical and radiographic abnormalities reminiscent of both osteogenesis imperfecta and Marfan syndrome. Collagen biosynthesis was analysed in fibroblast cultures from skin biopsies. Fibroblasts of the patient synthesized different types ofα1 chains. No α2 chains could be detected in cell extracts or in culture media suggesting a defect in the synthesis of these compounds. The peculiar pattern of clinical abnormalities may be causally related to the apparent defect in collagen synthesis.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Journal of molecular medicine 57 (1979), S. 581-585 
    ISSN: 1432-1440
    Keywords: Urin screening ; Glykosaminoglykan ; Mukopdysaccharidosen ; Heteroglykanosen ; Urine screening ; Glycosaminoglycans ; Mucopolysaccharidoses ; Heteroglycanoses
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary A rapid and comprehensive urinary screening programme is presented by which most of the ‘heteroglycanoses’ can be identified. The diagnoses obtained on a total of 44 patients with different storage disorders shows the usefulness of the method.
    Notes: Zusammenfassung Es wird ein einfaches und umfassendes Screening-Programm für Störungen im Katabolismus komplexer Kohlenhydrate beschrieben. Die Untersuchungsergebnisse bei 44 Patienten mit verschiedenen Heteroglykanosen werden dargestellt.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Human genetics 〈Berlin〉 9 (1970), S. 113-139 
    ISSN: 1432-1203
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary This review is an attempt to define a group of storage diseases which exhibit signs and symptoms of both the mucopolysaccharidoses and sphingolipidoses. Lacking some of the characteristics of the mucopolysaccharidoses while resembling to this group of thesaurismoses in other respects, these diseases frequently were described as “Hurler variants”. In Gm1 gangliosidosis types I and II, Fucosidosis, Mannosidosis and in infantile Sulfatidosis with mucopolysacchariduria enzyme defects have been identified which are thought to be causally related to the diseases. In others the pathogenesis is unknown. They are tentatively named Mucolipidosis I, II and III.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Calcified tissue international 50 (1992), S. 36-41 
    ISSN: 1432-0827
    Keywords: O.I. childhood ; Clinical course ; Classification
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine , Physics
    Notes: Summary One hundred twenty-seven children with osteogenesis imperfecta (O.I.) were studied during the first 10 years of life. According to Sillence, 40 patients were assigned to type I, 39 to type III, and 48 to type IV O.I. Centiles for height, weight, and the annual number of fractures could be established for the different types of O.I. The development of the skeletal changes could be documented for the different forms of the disease. At birth, the skeletal changes were significantly more severe in type III than in type IV patients. During the first 10 years of life the number of fractures, extent of skeletal deformities, and growth retardation did not differ between types III and IV. Only fracture nonunion, dentinogenesis imperfecta, and congenital cardiac malformations were more frequent in type III than in type IV. Papillary calcifications of the kidney and kidney stones were diagnosed in 4 type III and 2 type IV patients. Hemihypertrophy of the body developed, in 2 type I patients. Although types III and IV patients suffered from severe short stature, serum insulin-like growth factor (IGF) I was in the normal range.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    European journal of pediatrics 108 (1970), S. 171-186 
    ISSN: 1432-1076
    Keywords: Dysostosis metaphysaria ; Chondrodysplasia metaphysaria
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Beschreibung eines vom Säuglingsalter bis gegen Ende des 18. Lebensjahres verfolgten besondersartigen Falles von metaphysärer Chondrodysplasie (Dysostosis metaphysaria der bisherigen Terminologie). Charakteristika: Angeborene Manifestation im Sinne des rhizomelen Minderwuchses (“Frühtyp”); jahrelang nachweisbar gebliebene Ossifikations-Entwicklunsverzögerung zahlreicher Wirbelkörper im Sinne “frontaler Wirbelspalten”; Nichtbeteiligung der kurzen Röhrenknochen von Händen und Füßen; auffällige Physiognomie. Die Skeletveränderungen bildeten sich während der Kindheit spontan zurück; es kam zu praktisch normaler Konfiguration der Knochen und einer Endlänge des Patienten von 166 cm. Sorgfätige Stoffwechseluntersuchungen ergaben Normalbefunde.
    Notes: Abstract This is the report of a patient with an unusual form of metaphyseal dysostosis who was followed from infancy to adulthood. The bone dysplasia of this patient is characterized by the following features: 1. Manifestation at birth. 2. Rhizomelic shortness of stature. 3. Roentgenographic bone changes consisting of splaying, cupping and irregularity of the metaphyses with deep radiolucent metaphyseal defects and bicentric ossification of the vertebral bodies. 4. Spontaneous remission of the lesions during chilhood leading to near-normal configuration of the bones and an adult height of 166 cm. 5. Normal biochemical findings including those of the calciumphosphate —amino acid — and mucopolysaccharide metabolism.
    Type of Medium: Electronic Resource
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  • 7
    ISSN: 1432-1076
    Keywords: Dwarfism ; Skeletal dysplasia ; Chondrodystrophy ; Syndrome ; Thoracic dysplasia ; Polycystic kidneys ; Chondroectodermal dysplasia ; Asphyxiating thoracic dysplasia ; Meckel syndrome ; Trisomy 18
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Es wird über 4 Fälle mit Thoraxdysplasie-Polydaktylie-Syndromen berichtet. Fall 1 wird dem Majewski-Typ, die Fälle 2–4 werden dem Saldino-Noonan-Typ dieser Syndrome zugeordnet. Es handelt sich um letale Zwerg-wuchsformen mit eigenartigen Mißbildungsmustern. Sie sind wahrscheinlich durch Homozygotie autosomal recessiver Gene bedingt. Differentialdiagnostisch sind sie in erster Linie von der chondroektodermalen Dysplasie (Ellis-van Creveld-Syndrom), der asphyxierenden Thoraxdysplasie, dem Meckel-Syndrom und der Trisomie 13 abzugrenzen. Der Majewski-Typ der Thoraxdysplasie-Polydaktylie-Syndrome ist charakterisiert durch kurze Rippen, prä- und postaxiale Polydaktylie, eine mesomele Brachymelie und Spaltbildungen im Lippen-Kiefer-Gaumen-Bereich. Weitere Merkmale sind Nierencysten, eine Hypoplasie von Epiglottis und Lungen, verschiedene Fehlbildungen von Herz, großen Gefäßen, Zentralnervensystem und Genitalien. Der Saldino-Noonan-Typ der Thoraxdysplasie-Polydaktylie-Syndrome ist gekennzeichnet durch kurze Rippen, postaxiale Polydaktylie, eine schwere Verkürzung der Gliedmaßen und eine ausgeprägte metaphysäre Dysplasie der Röhrenknochen. Es bestehen erhebliche Ossifikationsstörungen der kurzen Röhrenknochen, leichtere der Schädelkalotte und Wirbelkörper. Das Becken ähnelt dem bei der chondroektodermalen Dysplasie und der asphyxierenden Thoraxdysplasie. Begleitfehlbildungen sind Nierencysten, Transposition der großen Gefäße und Atresien im Bereich des Gastrointestinal- und Urogenitaltrakts.
    Notes: Abstract Four examples of short rib-polydactyly syndromes are described. Case 1 represents the Majewski type, and the other three are examples of the Saldino-Noonan type. Both conditions are true multiple congenital anomaly syndromes and neonatally lethal forms of dwarfism with a narrow thorax, polydactyly and associated visceral malformations. They are probably caused by the homozygous state of different autosomal recessive genes. They must be differentiated from similar conditions such as chondroectodermal dysplasia, asphyxiating thoracic dysplasia, the Meckel syndrome and the trisomy 13 syndrome. The short rib-polydactyly syndrome type Majewski is characterized by thoracic dystrophy, pre- and postaxial polydactyly, mesomelic brachymelia and cleft lip and/or palate. Skull, vertebral column and pelvis are not markedly affected. Associated features include polycystic kidneys, hypolastic epiglottis and lungs, and various malformations of the cardiovascular system, genitalia and the central nervous system. The short rib-polydactyly syndrome type Saldino-Noonan is characterized by thoracic dystrophy, postaxial polydactyly, severely shortened, flipper-like extremities and a striking metaphyseal dysplasia of the tubular bones. The ossification of the calvaria, vertebral column, pelvis and short bones of the hands and feet is defective. Associated features occurring in varying frequency include polycystic kidneys, transposition of the great vessels and atretic lesions of the gastrointestinal and genitourinary systems.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    European journal of pediatrics 137 (1981), S. 229-231 
    ISSN: 1432-1076
    Keywords: Prosencephaly ; Holoprosencephaly ; Cyclopy ; Frontonasal dysplasia ; Median cleft face syndrome ; Computerized cranial tomography
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract A 3-year-old mildly retarded girl had frontonasal dysplasia. Computerized tomography showed brain changes compatible with a diagnosis of mild (pseudohemispheric) prosencephaly. The clinical features of frontonasal dysplasia may be an expression of (holo-)prosencephaly.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    European journal of pediatrics 143 (1985), S. 252-252 
    ISSN: 1432-1076
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    European journal of pediatrics 138 (1982), S. 120-129 
    ISSN: 1432-1076
    Keywords: Diabetes mellitus ; Bone dysplasia ; Growth ; Small stature ; Spondylo-epiphyseal dysplasia
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract In 1972, Wolcott and Rallison described three siblings with a combination of infancy-onset diabetes mellitus and multiple epiphyseal dysplasia. We have observed a brother and sister with the same disorder. The chondro-osseous lesions are those of a spondylo-epiphyseal dysplasia. The diabetes mellitus is relatively mild. Histologic and electron microscopic studies of chondro-osseous tissue show findings similar to those in other epiphyseal and spondylo-epiphyseal dysplasias. In addition, however, atypical collagen-like fibres are found inside and outside chondrocytes. Collagen production seems to be normal in cultured fibroblasts. From the available data it appears that the association of characteristic chondro-osseous and endocrine abnormalities is non-random and that the lesions are independent manifestations of a pleiotropic gene. We propose to call this disorder the Wolcott-Rallison Syndrome.
    Type of Medium: Electronic Resource
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