0000000000269813
AUTHOR
Ulrich Baumann
showing 4 related works from this author
Characteristics, Trends, and Outcomes of Liver Transplantation for Primary Sclerosing Cholangitis in Female Versus Male Patients
2021
Background. The influence of sex on primary sclerosing cholangitis (PSC), pre- and postliver transplantation (LT) is unclear. Aims are to assess whether there have been changes in incidence, profile, and outcome in LT-PSC patients in Europe with specific emphasis on sex. Methods. Analysis of the European Liver Transplant Registry database (PSC patients registered before 2018), including baseline demographics, donor, biochemical, and clinical data at LT, immunosuppression, and outcome. Results. European Liver Transplant Registry analysis (n = 6463, 32% female individuals) demonstrated an increasing number by cohort (1980-1989, n = 159; 1990-1999, n = 1282; 2000-2009, n = 2316; 2010-2017, n =…
Phenotypic spectrum and diagnostic pitfalls of ABCB4 deficiency depending on age of onset.
2017
Genetic variants in the adenosine triphosphate-binding cassette subfamily B member 4 (ABCB4) gene, which encodes hepatocanalicular phosphatidylcholine floppase, can lead to different phenotypes, such as progressive familial intrahepatic cholestasis (PFIC) type 3, low phospholipid-associated cholelithiasis, and intrahepatic cholestasis of pregnancy. The aim of this multicenter project was to collect information on onset and progression of this entity in different age groups and to assess the relevance of this disease for the differential diagnosis of chronic liver disease. Clinical and laboratory data of 38 patients (17 males, 21 females, from 29 families) with homozygous or (compound) heter…
Characterization of the pleiotropic LysR-type transcription regulator LeuO of Escherichia coli
2019
AbstractLeuO is a pleiotropic LysR-type transcriptional regulator (LTTR) and co-regulator of the abundant nucleoid-associated repressor protein H-NS in Gammaproteobacteria. As other LTTRs, LeuO is a tetramer that is formed by dimerization of the N-terminal DNA-binding domain (DBD) and C-terminal effector-binding domain (EBD). To characterize the Escherichia coli LeuO protein, we screened for LeuO mutants that activate the cas (CRISPR-associated/Cascade) promoter more effectively than wild-type LeuO. This yielded nine mutants carrying amino acid substitutions in the dimerization interface of the regulatory EBD, as shown by solving the EBD’s crystal structure. Superimposing of the crystal str…
Diaphragmatic Hernia following Pediatric Liver Transplantation: An Underappreciated Complication Prone to Recur.
2020
Abstract Introduction Postoperative diaphragmatic hernia (DH) is a rare but potentially life-threatening complication following pediatric liver transplantation (LT). In the current literature, a total of 49 such hernias have been reported in 17 case series. We present eight additional cases, three of which reoccurred after surgical correction, and review the current literature with a focus on recurrence. Materials and Methods The study sample included children (<18 years of age) who underwent LT between June 2013 and June 2020 at five large transplant centers and who subsequently presented with DH. During the study period, a total of 907 LT was performed. Eight DH were recognized, and ri…