Research Topics
Genomes and Genes | Erhard BieberichSummaryAffiliation: Medical College of Georgia Country: USA Publications
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Publications
Probing quantum coherence in a biological system by means of DNA amplificationE Bieberich
Institute of Molecular Medicine and Genetics, Medical College of Georgia, 1120 15th Street CB 2803, Augusta, GA 30912, USA
Biosystems 57:109-24. 2000..g. during folding or association of macromolecules. The experimental model described in this paper provides a low-cost tool for simulating and probing quantum coherence in a biological system...
Regulation of cell death in mitotic neural progenitor cells by asymmetric distribution of prostate apoptosis response 4 (PAR-4) and simultaneous elevation of endogenous ceramideErhard Bieberich
Institute of Molecular Medicine and Genetics, Medical College of Georgia, 1120 15th Street, Room CB 2803, Augusta, GA 30912, USA
J Cell Biol 162:469-79. 2003..Asymmetric distribution of PAR-4 and simultaneous elevation of endogenous ceramide provides a possible mechanism underlying asymmetric differentiation and apoptosis of neuronal stem cells in the developing brain...
Selective apoptosis of pluripotent mouse and human stem cells by novel ceramide analogues prevents teratoma formation and enriches for neural precursors in ES cell-derived neural transplantsErhard Bieberich
Institute of Molecular Medicine and Genetics, School of Medicine, Medical College of Georgia, Augusta, GA 30912, USA
J Cell Biol 167:723-34. 2004..Our results show for the first time that ceramide-induced apoptosis eliminates residual, pluripotent EBCs, prevents teratoma formation, and enriches the EBCs for cells that undergo neural differentiation after transplantation...
Synthesis and characterization of novel ceramide analogs for induction of apoptosis in human cancer cellsErhard Bieberich
Institute of Molecular Medicine and Genetics, Medical College of Georgia, 1120 15th Street, Room CB 2803, Augusta, GA 30912, USA
Cancer Lett 181:55-64. 2002..The target specificity of novel ceramide analogs for tumor cells, their water solubility, and fast pro-apoptotic mechanism indicates a high therapeutic potential for cancer treatment...
Integration of glycosphingolipid metabolism and cell-fate decisions in cancer and stem cells: review and hypothesisErhard Bieberich
Institute of Molecular Medicine and Genetics, School of Medicine, Medical College of Georgia, 1120 15th Street Room CB 2803, Augusta, GA 30912, USA
Glycoconj J 21:315-27. 2004....
Regulation of ganglioside biosynthesis by enzyme complex formation of glycosyltransferasesErhard Bieberich
Institute of Molecular Medicine and Genetics, Medical College of Georgia, Augusta, Georgia 30912, USA
Biochemistry 41:11479-87. 2002..Taken together, our results support the concept that ganglioside biosynthesis is tightly regulated by the formation of glycosyltransferase complexes in the ER and/or Golgi...
Regulation of apoptosis during neuronal differentiation by ceramide and b-series complex gangliosidesE Bieberich
Institute of Molecular Medicine and Genetics, Medical College of Georgia, Augusta, Georgia 30912, USA
J Biol Chem 276:44396-404. 2001....
Replacement of insulin by LongR3-IGF-1 allows for the differentiation of ES cells into neuroprogenitors and insulin-secreting cellsErhard Bieberich
Institute of Molecular Medicine and Genetics, School of Medicine, Medical College of Georgia, 1120 15th Street Room CB-2803, Augusta, GA 30912, USA
Anal Biochem 346:185-7. 2005
Regulation of neural progenitor cell motility by ceramide and potential implications for mouse brain developmentGuanghu Wang
Program in Developmental Neurobiology, Institute of Molecular Medicine and Genetics, School of Medicine, Medical College of Georgia, Augusta, Georgia, USA
J Neurochem 106:718-33. 2008..In summary, our study provides novel evidence that ceramide is critical for NP motility and polarity in vitro and in vivo...
Direct binding to ceramide activates protein kinase Czeta before the formation of a pro-apoptotic complex with PAR-4 in differentiating stem cellsGuanghu Wang
Institute of Molecular Medicine and Genetics, School of Medicine, Medical College of Georgia, Augusta 30912, USA
J Biol Chem 280:26415-24. 2005..Taken together, our results show that direct physical association with ceramide and PAR-4 regulates the activity of PKCzeta. They also indicate that this interaction regulates the activity of glycogen synthase kinase-3beta and NF-kappaB...
Lipids isolated from bone induce the migration of human breast cancer cellsJeane Silva
Institute of Molecular Medicine and Genetics, School of Medicine, Medical College of Georgia, Augusta, GA 30912, USA
J Lipid Res 47:724-33. 2006..Our results suggest a novel mechanism by which DC-induced increase of uPA and binding to the uPA receptor of the same breast cancer cell self-propel its migration and metastasis to the bone...
The carboxyl-terminal domain of atypical protein kinase Czeta binds to ceramide and regulates junction formation in epithelial cellsGuanghu Wang
Institute of Molecular Medicine and Genetics, Medical College of Georgia, Augusta, GA 30912, USA
J Biol Chem 284:14469-75. 2009..Therefore, ceramide interaction with the C20zeta binding domain is a potential mechanism by which ceramide and aPKC regulate the formation of junctional complexes in epithelial cells...
Ceramide regulates atypical PKCzeta/lambda-mediated cell polarity in primitive ectoderm cells. A novel function of sphingolipids in morphogenesisKannan Krishnamurthy
Institute of Molecular Medicine and Genetics, School of Medicine, Medical College of Georgia, Augusta, Georgia 30912, USA
J Biol Chem 282:3379-90. 2007..Our data suggest a novel mechanism by which a ceramide-induced, apicolateral polarity complex with PKCzeta/lambda regulates primitive ectoderm cell polarity and morphogenesis...
Functional pre- mRNA trans-splicing of coactivator CoAA and corepressor RBM4 during stem/progenitor cell differentiationYang S Brooks
Institute of Molecular Medicine and Genetics, Medical College of Georgia, Augusta, Georgia 30912, USA
J Biol Chem 284:18033-46. 2009..The alternative splicing imbalance of CoAA and RBM4, because of loss of their common enhancer in cancer, may deregulate stem/progenitor cell differentiation...
Deoxycholate promotes survival of breast cancer cells by reducing the level of pro-apoptotic ceramideKannan Krishnamurthy
Institute of Molecular Medicine and Genetics, School of Medicine, Medical College of Georgia, 15th Street, Augusta, GA 30912, USA
Breast Cancer Res 10:R106. 2008..Here we provide evidence of a novel mechanism by which DC reduces apoptosis that is induced by the sphingolipid ceramide in breast cancer cells...
There is more to a lipid than just being a fat: sphingolipid-guided differentiation of oligodendroglial lineage from embryonic stem cellsErhard Bieberich
Program in Developmental Neurobiology, Institute of Molecular Medicine and Genetics, School of Medicine, Medical College of Georgia Georgia Health Sciences University, 1120 15th Street Room CA4012, Augusta, GA 30912, USA
Neurochem Res 36:1601-11. 2011..In addition, we show that this combination promoted differentiation of ES cell-derived NPCs toward oligodendroglial lineage in vivo after transplantation into mouse brain...
Long-chain ceramide is elevated in presenilin 1 (PS1M146V) mouse brain and induces apoptosis in PS1 astrocytesGuanghu Wang
Program in Developmental Neurobiology, Institute of Molecular Medicine and Genetics, School of Medicine, Medical College of Georgia, Augusta, GA 30912, USA
Glia 56:449-56. 2008..Our results suggest that astroglial death due to ceramide/PAR-4-induced apoptosis may critically contribute to the etiology of AD...
Breast cancer cell-derived fibroblast growth factor 2 and vascular endothelial growth factor are chemoattractants for bone marrow stromal stem cellsEdmond Ritter
Department of Surgery, School of Medicine, Medical College of Georgia, Augusta, Georgia 30912, USA
Ann Surg 247:310-4. 2008....
Osteoblast-derived oxysterol is a migration-inducing factor for human breast cancer cellsJeane Silva
Institute of Molecular Medicine and Genetics, Department of Medicine, Medical College of Georgia, Augusta, Georgia 30909, USA
J Biol Chem 278:25376-85. 2003..Osteoblast-derived OS may, thus, be a yet unrecognized lipid mediator for bone metastasis of breast cancer and a new target for anti-metastasis chemotherapy with statins...
Regulation of primary cilia formation by ceramideGuanghu Wang
Program in Developmental Neurobiology, Institute of Molecular Medicine and Genetics, School of Medicine, Medical College of Georgia, Augusta, GA 30912, USA
J Lipid Res 50:2103-10. 2009..Consistently, inhibition of aPKC with a pseudosubstrate inhibitor prevented restoration of ciliogenesis by C2 ceramide or S18. Our data show for the first time that ceramide is required for primary cilium formation...
Smart drugs for smarter stem cells: making SENSe (sphingolipid-enhanced neural stem cells) of ceramideErhard Bieberich
Program in Developmental Neurobiology, Institute of Molecular Medicine and Genetics, School of Medicine, Medical College of Georgia, Augusta, GA 30912, USA
Neurosignals 16:124-39. 2008..We will also discuss results from ongoing studies in our laboratory on the use of sphingolipids in stem cell therapy...
Transcriptional regulation of the human UDP-galactose:ceramide galactosyltransferase (hCGT) gene expression: functional role of GC-box and CRETewin Tencomnao
Institute of Molecular Medicine and Genetics, Medical College of Georgia, Augusta, GA 30912 2697, USA
Glycoconj J 20:339-51. 2004..Thus, our data suggest that the GC-box and CRE function cooperatively, and that the CRE regulates the cell-specific expression of the hCGT gene...
Development and characterization of a novel anti-ceramide antibodyKannan Krishnamurthy
School of Medicine, Institute of Molecular Medicine and Genetics, Medical College of Georgia, Augusta, GA 30912, USA
J Lipid Res 48:968-75. 2007..These results indicate that the rabbit IgG is a suitable antibody to determine the localization of ceramide and its interaction with proteins by immunocytochemistry...
Recurrent fractal neural networks: a strategy for the exchange of local and global information processing in the brainErhard Bieberich
Institute of Molecular Medicine and Genetics, Medical College of Georgia, 1120 15th Street Room CB 2803, Augusta, GA 30912, USA
Biosystems 66:145-64. 2002....
Regulation of glycosyltransferases in ganglioside biosynthesis by phosphorylation and dephosphorylationR K Yu
Institute of Molecular Medicine and Genetics, Medical College of Georgia, 1120 15th Street, Augusta, GA 30912, USA
Mol Cell Endocrinol 177:19-24. 2001..Thus, modulation of glycosyltransferases by phosphorylation and dephosphorylation should represent an important regulatory mechanism for ganglioside biosynthesis...
Neuronal differentiation and synapse formation of PC12 and embryonic stem cells on interdigitated microelectrode arrays: contact structures for neuron-to-electrode signal transmission (NEST)Erhard Bieberich
Center for Bioelectronics, Biosensors and Biochips (C3B, Virginia Commonwealth University, P.O. Box 843038, 601 West Main Street, Richmond, VA 23284-3038, USA
Biosens Bioelectron 19:923-31. 2004....
Regulation of ganglioside biosynthesis in the nervous systemRobert K Yu
Institute of Molecular Medicine and Genetics, School of Medicine, Medical College of Georgia, Augusta, GA 30912, USA
J Lipid Res 45:783-93. 2004..We also review the results of analyses of the 5' regulatory sequences of several glycosyltransferases in ganglioside biosynthesis and provide insights into how their synthesis can be regulated at the level of transcription...
A novel isoform of prostate apoptosis response 4 (PAR-4) that co-distributes with F-actin and prevents apoptosis in neural stem cellsG Wang
Institute of Molecular Medicine and Genetics, School of Medicine, Medical College of Georgia, 1120 15th Street Room CB 2803, Augusta, GA 30912, USA
Apoptosis 11:315-25. 2006..PAR-4/p33 forms a complex with PAR-4/p38, which inhibits its nuclear translocation and the induction of apoptosis. PAR-4/p33 is suggested to be a dominant negative isoform of PAR-4/p38 and may regulate PAR-4-dependent apoptosis...
Improving neuron-to-electrode surface attachment via alkanethiol self-assembly: an alternating current impedance studyGymama E Slaughter
Center for Bioelectronics, Biosensors and Biochips, School of Engineering, Virginia Commonwealth University, P.O. Box 843038, 601 West Main Street, Richmond, Virginia 23284-3038, USA
Langmuir 20:7189-200. 2004..Laminin performed best when compared to collagen and fibronectin. Covalent immobilization of the adhesion-promoting proteins results in enhanced NESA by tightly anchoring cells to the electrode...
Metabolic studies of glycosphingolipid accumulation in mucopolysaccharidosis IIIDS S Liour
Institute of Molecular Medicine and Genetics, Medical College of Georgia, Augusta, Georgia 30912, USA
Mol Genet Metab 72:239-47. 2001..In addition, the consistency of observations in the cell culture and caprine models supports the cell culture system as a means of evaluating GSL metabolic perturbations...
Research Grants
- Regulation of neuronal stem cell deathErhard Bieberich; Fiscal Year: 2006..In conclusion, this study will identify mechanisms for regulation of apoptosis by ceramide that are critical for normal brain development and/or the etiology of subsequent, pathological disorders in adulthood. ..
- Ceramide-induced cell death in neurodegenerationErhard Bieberich; Fiscal Year: 2010..Our data strongly suggest that blocking the accumulation of ceramide will be instrumental in preventing loss of neurons in AD. ..
