Refine
Author
- Hocher, Berthold (144) (remove)
Year of publication
Document Type
Language
- English (144)
Is part of the Bibliography
- yes (144)
Keywords
- diabetic nephropathy (6)
- linagliptin (6)
- pregnancy (6)
- Epigenetics (5)
- Fetal programming (5)
- Pregnancy (5)
- chronic kidney disease (5)
- Endothelin (4)
- Gestational diabetes (4)
- Hypertension (4)
Institute
- Institut für Ernährungswissenschaft (111)
- Institut für Biochemie und Biologie (9)
- Department Sport- und Gesundheitswissenschaften (8)
- Mathematisch-Naturwissenschaftliche Fakultät (8)
- Institut für Chemie (2)
- Institut für Geowissenschaften (1)
- Institut für Informatik und Computational Science (1)
- Institut für Mathematik (1)
- UP Transfer (1)
Yang, Fang ; Lai, Xinlong ; Deng, Li ; Liu, Xiaoxiao ; Li, Jian ; Zeng, Shuixiu ; Zhang, Cheng ; Hocher, Carl-Friedrich ; Hocher, Berthold
Aims:This study aims to investigate the relationship between plasma endothelin-1 (ET-1) concentrations, ET-1 gene polymorphisms in loci rs5370, rs1630736, 3A/4A and clinical features of primary nephrotic syndrome (NS) in children.
Materials and methods: Thirty-six children with primary NS were selected as case group, and 94 healthy children were selected as control group. All subjects were genotyped for three single nucleotide polymorphisms (SNPs) (rs5370, rs10478694 [3A4A) and rs 1630736) in the ET-1 gene by gene sequencing. The plasma ET-1 concentrations were measured using a radio-immunoassay.
Key findings: Plasma ET-1 concentrations were higher in NS patients (P = 0.007) as compared to healthy children. The allele frequencies between control and NS patients were significantly different only with respect to the rs10478694 SNP of the ET-1 gene. The allele frequencies between control and NS patients for the rs5370 SNP showed a trend towards difference (P = 0.057). Plasma cholesterol in NS patients is associated with both: the Cl genotype in locus rs5370 and the 3A4A genotype in locus rs10478694 (P < 0.05 in both cases).
Significance: The ET systems might play a disease modifying role in pediatric NS. Plasma cholesterol, a hallmark of NS. seems to be associated with genetic variations within the human ET-1 gene. (C) 2014 Elsevier Inc. All rights reserved.
Yang, Xiaoping ; Darko, Kwame Oteng ; Huang, Yanjun ; He, Caimei ; Yang, Huansheng ; He, Shanping ; Li, Jianzhong ; Li, Jian ; Hocher, Berthold ; Yin, Yulong
Starch is one of the most popular nutritional sources for both human and animals. Due to the variation of its nutritional traits and biochemical specificities, starch has been classified into rapidly digestible, slowly digestible and resistant starch. Resistant starch has its own unique chemical structure, and various forms of resistant starch are commercially available. It has been found being a multiple-functional regulator for treating metabolic dysfunction. Different functions of resistant starch such as modulation of the gut microbiota, gut peptides, circulating growth factors, circulating inflammatory mediators have been characterized by animal studies and clinical trials. In this mini-review, recent remarkable progress in resistant starch on gut microbiota, particularly the effect of structure, biochemistry and cell signaling on nutrition has been summarized, with highlights on its regulatory effect on gut microbiota.
Zebger-Gong, Hong ; Mueller, Dominik ; Diercke, Michaela ; Haffner, Dieter ; Hocher, Berthold ; Verberckmoes, Steven ; Schmidt, Sven ; D'Haese, Patrick C. ; Querfeld, Uwe
Background and objective Whether treatment with vitamin D receptor activators contributes to cardiovascular disease in patients with chronic kidney disease is a matter of debate. We studied mechanisms involved in vitamin D-related vascular calcifications in vivo and in vitro.
Methods Aortic calcifications were induced in subtotally nephrectomized (SNX) rats by treatment with a high dose (0.25 mu g/kg per day) of 1,25-dihydroxyvitamin D-3 (calcitriol) given for 6 weeks. Likewise, primary rat vascular smooth muscle cells (VSMCs) were incubated with calcitriol at concentrations ranging from 10(-11) to 10(-7) mol/l. Immunohistochemistry revealed that the aortic expression of osteopontin, osteocalcin and bone sialoprotein was significantly increased in calcitriol-treated SNX rats compared to untreated SNX controls. In addition, aortic expression of the transient receptor potential vanilloid calcium channel 6 (TRPV6) and calbindin D9k was significantly up-regulated by treatment with calcitriol. Furthermore, calcitriol significantly increased expression of the osteogenic transcription factor osterix. In-vitro studies showed similar results, confirming that these effects could be attributed to treatment with calcitriol.
Conclusions High-dose calcitriol treatment induces an osteoblastic phenotype in VSMC both in SNX rats and in vitro, associated with up-regulation of proteins regulating mineralization and calcium transport, and of the osteogenic transcription factor osterix.
Zirafi, Onofrio ; Kim, Kyeong-Ae ; Ständker, Ludger ; Mohr, Katharina B. ; Sauter, Daniel ; Heigele, Anke ; Kluge, Silvia F. ; Wiercinska, Eliza ; Chudziak, Doreen ; Richter, Rudolf ; Möpps, Barbara ; Gierschik, Peter ; Vas, Virag ; Geiger, Hartmut ; Lamla, Markus ; Weil, Tanja ; Burster, Timo ; Zgraja, Andreas ; Daubeuf, Francois ; Frossard, Nelly ; Hachet-Haas, Muriel ; Heunisch, Fabian ; Reichetzeder, Christoph ; Galzi, Jean-Luc ; Perez-Castells, Javier ; Canales-Mayordomo, Angeles ; Jimenez-Barbero, Jesus ; Gimenez-Gallego, Guillermo ; Schneider, Marion ; Shorter, James ; Telenti, Amalio ; Hocher, Berthold ; Forssmann, Wolf-Georg ; Bonig, Halvard ; Kirchhoff, Frank ; Münch, Jan
CXCL12-CXCR4 signaling controls multiple physiological processes and its dysregulation is associated with cancers and inflammatory diseases. To discover as-yet-unknown endogenous ligands of CXCR4, we screened a blood-derived peptide library for inhibitors of CXCR4-tropic HIV-1 strains. This approach identified a 16 amino acid fragment of serum albumin as an effective and highly specific CXCR4 antagonist. The endogenous peptide, termed EPI-X4, is evolutionarily conserved and generated from the highly abundant albumin precursor by pH-regulated proteases. EPI-X4 forms an unusual lasso-like structure and antagonizes CXCL12-induced tumor cell migration, mobilizes stem cells, and suppresses inflammatory responses in mice. Furthermore, the peptide is abundant in the urine of patients with inflammatory kidney diseases and may serve as a biomarker. Our results identify EPI-X4 as a key regulator of CXCR4 signaling and introduce proteolysis of an abundant precursor protein as an alternative concept for chemokine receptor regulation.