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Publications associées (56)

The 4.5 angstrom structure of human AQP2

Henning Paul-Julius Stahlberg, Andreas Engel

Located in the principal cells of the collecting duct, aquaporin-2 (AQP2) is responsible for the regulated water reabsorbtion in the kidney and is indispensable for the maintenance of body water balance. Disregulation or malfunctioning of AQP2 can lead to ...

Elsevier BV2005

Promoter rearrangements cause species-specific hepatic regulation of the glyoxylate reductase/hydroxypyruvate reductase gene by the peroxisome proliferator-activated receptor alpha

Philipp Bucher, Walter Wahli

In liver, the glyoxylate cycle contributes to two metabolic functions, urea and glucose synthesis. One of the key enzymes in this pathway is glyoxylate reductase/hydroxypyruvate reductase (GRHPR) whose dysfunction in human causes primary hyperoxaluria type ...

2005

Optimization of human erythropoietin secretion from MLV-infected human primary fibroblasts used for encapsulated cell therapy

Patrick Aebischer

BACKGROUND: The transplantation of encapsulated cells genetically engineered to secrete human erythropoietin (hEpo) represents an alternative to repeated injections of the recombinant hormone for the treatment of Epo-responsive anemia. In the present study ...

2003

Renal medullary carcinoma: clinical, pathologic, immunohistochemical, and genetic analysis with pathogenetic implications

Melody Swartz

OBJECTIVES: To investigate the pathologic, clinical, and genetic features of renal medullary carcinomas (RMCs) in search of clues to their pathogenesis. METHODS: We analyzed 40 RMCs for clinical features, for immunohistochemical expression using a panel of ...

2002

Allogeneic beta-islet cells correct diabetes and resist immune rejection

Patrick Aebischer

Allogeneic MHC-incompatible organ or cell grafts are usually promptly rejected by immunocompetent hosts. Here we tested allogeneic beta-islet cell graft acceptance by immune or naive C57BL/6 mice rendered diabetic with streptozotocin (STZ). Fully MHC-misma ...

2002

Analysis of the mouse Scnn1a promoter in cortical collecting duct cells and in transgenic mice

Friedrich Beermann, Sébastien Kohler

We have isolated and characterised the promoter of the mouse Scnn1a (alpha ENaC) gene. Using transient transfections of serial deletion mutants into Scnn1a-expressing cells, we demonstrate that 1.56 kb of 5' upstream sequence is required for cell-specific ...

2001

A non-cleavable mutant of Fas ligand does not prevent neutrophilic destruction of islet transplants

Steinunn Baekkeskov Hanahan

Background. Fas ligand (FasL) mediates apoptosis of susceptible Fas-expressing lymphocytes, and may contribute to the maintenance of peripheral tolerance. In transplantation models, however, artificial expres- sion of FasL on cellular as well as islet tran ...

Lippincott, Williams & Wilkins2000

Luminal heterodimeric amino acid transporter defective in cystinuria

Lukas Kühn

Mutations of the glycoprotein rBAT cause cystinuria type I, an autosomal recessive failure of dibasic amino acid transport (b(0,+) type) across luminal membranes of intestine and kidney cells. Here we identify the permease-like protein b(0,+)AT as the cata ...

1999

LAT2, a new basolateral 4F2hc/CD98-associated amino acid transporter of kidney and intestine

Lukas Kühn, Bernard Sordat

Glycoprotein-associated amino acid transporters (gpaAT) are permease-related proteins that require heterodimerization to express their function. So far, four vertebrate gpaATs have been shown to associate with 4F2hc/CD98 for functional expression, whereas ...

1999

The subtype 2 of angiotensin II receptors and pressure-natriuresis in adult rat kidneys

1 The present work examined the effects of the subtype 2 of angiotensin II (AT(2)) receptors on the pressure-natriuresis using a new peptide agonist, and the possible involvement of cyclic guanosine 3', 5' monophosphate (cyclic GMP) in these effects. 2 In ...

1999

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