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Interstitial fibrosis is a universal feature of progressive kidney disease. Urokinase-type plasminogen activator (uPA) is thought to participate for several reasons: 1) uPA is produced predominantly in kidney, 2) its inhibitor plasminogen activator inhibitor-1 (PAI-1) is a strong promoter of interstitial fibrosis, whereas its receptor (uPAR) attenuates renal fibrosis, 3) uPA reduces fibrosis in...
1 AgroParisTech, Institut National de la Recherche Agronomique, UMR 1402 ECOSYS, Thiverval Grignon, France, 2 Laboratoire de Géologie de l’ENS-PSL Research University–Centre National de la Recherche Scientifique UMR8538, Paris, France, 3 Department of Geography, University of Zurich, Zurich, Switzerland, 4 Department of Agroecology, Aarhus University, Aarhus, Denmark, 5 Department of Ecology, S...
Marc A. Willaredt, Kerstin Hasenpusch-Theil, Humphrey Gardner, Igor Kitanovic, Vera Hirschfeld-Warneken, Christian Gojak, Karin Gorgas, C. Lulu Bradford, Joachim Spatz, Stefan Woelfl, Thomas Theil, Kerry L. Tucker 1 Interdisciplinary Center for Neurosciences, University of Heidelberg, Heidelberg, Germany 2 Dept. of Anatomy, University of Heidelberg, Heidelberg, Germany 3 Centres for Neuroscienc...
DNA replication in all eukaryotes follows a defined replication timing program, the molecular mechanism of which remains elusive. Using a Xenopus laevis egg extract replication system, we previously demonstrated that replication timing is established during early G1 phase of the cell cycle (timing decision point [TDP]), which is coincident with the repositioning and anchorage of chromatin in th...
T he major conclusions of this position article are as follows: (1) In the absence of a history of a bleeding disorder, the bleeding time is not a useful predictor of the risk of hemorrhage associated with surgical procedures. (2) A normal bleeding time does not exclude the possibility of excessive hemorrhage associated with invasive procedures. (3) The bleeding time cannot be used to reliably ...
As HIV-1-encoded envelope protein traverses the secretory pathway, it may be modified with N- and O-linked carbohydrate. When the gp120s of HIV-1 NL4-3, HIV-1 YU2, HIV-1 Bal, HIV-1 JRFL, and HIV-1 JRCSF were expressed as secreted proteins, the threonine at consensus position 499 was found to be O-glycosylated. For SIVmac239, the corresponding threonine was also glycosylated when gp120 was recom...
IL-24, also known as melanoma differentiation antigen 7 (mda-7), is a member of the IL-10 family of cytokines and is mainly produced by Th(2) cells as well as by activated monocytes. Binding of IL-24 to either of its two possible heterodimeric receptors IL-20R1/IL-20R2 and IL-22R/IL-20R2 activates STAT3 and/or STAT1 in target tissues such as lung, testis, ovary, keratinocytes and skin. To date,...
BACKGROUND Osteogenesis Imperfecta (OI) is a heritable connective tissue disorder mainly caused by mutations in the genes COL1A1 and COL1A2 and is associated with hearing loss in approximately half of the cases. The hearing impairment usually starts between the second and fourth decade of life as a conductive hearing loss, frequently evolving to mixed hearing loss thereafter. A minority of pati...
A new Chlamydomonas flagellar mutant, pf-28, which swims more slowly than wild-type cells, was selected. Thin-section electron microscopy revealed the complete absence of outer-row dynein arms in this mutant, whereas inner-row arms and other axonemal structures appeared normal. SDS PAGE analysis also indicated that polypeptides previously identified as outer-arm dynein components are completely...
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