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101.
102.
PD Dr. Hartmut Greven Jochen Schindelmeiser Heidrun Straub 《Cell and tissue research》1983,232(2):421-431
The innervation of the uterus in the ovoviviparous urodele Salamandra salamandra was studied. In whole mount preparations of the thin-walled uterus of pregnant females, a dense adrenergic network was demonstrated using a modified glyoxylic acid fluorescence technique. Based on vesicle type and cytochemical reactivity after chromate/dichromate fixation for electron microscopy at least two types of neural process were distinguished and classified as adrenergic and cholinergic. Both types are preferentially situated above or between the smooth muscles of the uterine tissue. Adjacent to the muscles in the walls of arterioles mainly adrenergic fibers are seen. Using high performance liquid chromatography with electrochemical detection in tissue homogenates of uterus a considerable amount of noradrenaline could be identified. The significance of the dense innervation is discussed with respect to the function of the uterus during pregnancy and birth. 相似文献
103.
PD Dr. C. Kornblum 《Medizinische Genetik》2012,24(3):187-192
Although there have been major advances in understanding the pathogenesis of mitochondrial disorders, current treatment is largely supportive and there is still no cure. A variety of pharmacological agents, vitamins and cofactors, dietary modifications and interventions are under investigation, including attempts to bypass blocks in the respiratory chain, antioxidative effects, supplementation of deficiencies of specific compounds or the removal of noxious metabolites. There is currently no clear evidence supporting the use of any of these interventions. However, replacement of deficient metabolites or elimination of toxic molecules might be beneficial in specific disorders. Moreover, current data suggest that idebenone might be useful in Leber??s hereditary optic neuropathy (LHON). Only few randomized controlled trials had been conducted to date, and future controlled trials are strongly needed to establish the role of therapeutic approaches in homogeneous study populations. Gene therapy is a challenge, but promising experimental approaches are being pursued. 相似文献
104.
With an incidence of approximately 0.2?% in newborns gonosomal chromosome aberrations are of major relevance for clinical genetics. They frequently occur as numerical and/or structural gonosomal mosaicism. The correlation between genotype and phenotype is poor most probably due to different levels of mosaicism in different tissues and they represent a great challenge especially in prenatal diagnostics, requiring genetic counseling by an experienced clinical geneticist. Postnatally, gonosomal mosaicism in females often leads to the clinical symptoms of Turner’s syndrome (especially short stature and infertility) with an potentially increased risk for gonadoblastoma if an XY cell line is present. In males with Klinefelter’s syndrome mosaicism is also frequent (up to 20?%). Mosaicism in 47,XYY and 47,XXX karyotypes is rarely reported perhaps due to the innocuous phenotype seldom being an indication for chromosome analysis. 相似文献
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107.
Familial Mediterranean fever (FMF), mevalonate kinase deficiency (MKD), and tumour necrosis factor (TNF) receptor-1-associated periodic syndrome (TRAPS) are monogenic disorders included under the term??hereditary fever syndromes??. These diseases are characterized by recurrent episodes of fever and inflammation and arise from mutations of genes regulating the innate immune system. The present review describes the clinical and genetic spectrum of hereditary fever syndromes, which are of importance for genetic counseling. 相似文献
108.
A. Schossig PD Dr. N. Wolf M.J. Koch T. Bast G.F. Hoffmann J. Zschocke A. Kohlschütter 《Medizinische Genetik》2007,19(4):422-426
Kohlschütter-Tönz syndrome is a rare genetic disorder with neurologic symptoms – epilepsy and severe developmental delay – and defective enamel leading to yellow or brownish discoloration of teeth. The first family was described in 1974, all affected patients were male. In the meantime, families with both male and female patients were identified as well. Inheritance is thus most probably autosomal recessive; genetic heterogeneity can however not be ruled out. Clinical course and disease severity may differ even within one family. As the genetic basis has not yet been elucidated, diagnosis must be made on clinical grounds. We report three new children with Kohlschütter-Tönz syndrome in comparison to the 21 hitherto published cases. 相似文献
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110.
Summary Branched histiocytic cells of the epidermis, the oral and anal mucosa, the tonsillar crypt epithelium, the thymus and of the T-cell-dependent areas of lymph node, spleen, and tonsil were examined with immunohistochemical single- and double-staining techniques. The markers used were a monoclonal anti-T6-antibody, a monoclonal anti-HLA-DR-antibody, heteroantiserum to S-100 protein and peanut agglutinin. Anti-HLA-DR and peanut agglutinin reacted with a considerable number of branched histiocytic cells, whereas anti-T6 and anti-S-100 protein only stained relatively small subpopulations. Concerning the population of branched histiocytic cells, double-staining revealed that the tissue distributions of all the markers used overlapped each other to various degrees; this was demonstrated by the different numbers of double-stained cells obtained in the experiments using all six possible combinations of primary reagents. The number of branched histiocytic cells co-expressing the markers varied depending upon marker combinations, types of tissue and microenvironment. We suggest that much of the immunologic phenotype of branched histiocytic cells is dynamic rather than static.Abbreviations used
BHCs
branched histiocytic cells
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anti-T6
monoclonal antibody to T6 antigen
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anti-HLA-DR
monoclonal antibody to HLA-DR
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anti-S-100p
antiserum to S-100 protein
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(anti-)PNA
(anti-)peanut agglutinin
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GAM
goat anti-mouse IgG
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RAM
rabbit anti-mouse IgG
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GAR-AP
alkaline phosphatase-conjugated goat anti-rabbit Ig
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SAR
porcine anti-rabbit Ig
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PAP
peroxidase-anti-peroxidase complex
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APAAP
alkaline phosphataseanti-alkaline phosphatase complex
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iAP
indirect alkaline phosphatase
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AEC
3-amino-9-ethylcarbazole
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FB
fast blue BB salt
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levamisole
L[-]2,3,5,6-tetrahydro-6-phenylimidazo[2,1-b]thiazole
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DMF
NN-dimethylformamide
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PBS
phosphate-buffered saline solution
- +
positive reaction of a cell with a resp. marker
- –
negative reaction of a cell with a resp. marker
This work was supported by the German Research Foundation (DFG: Mo.384/1-2) 相似文献