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Förster (or Fluorescence) Resonance Energy Transfer (FRET) is unique in generating fluorescence signals sensitive to molecular conformation, association, and separation in the 1–10 nm range. We… Expand
A mutant EGF‐receptor defective in ubiquitylation and endocytosis unveils a role for Grb2 in negative signaling
Ligand‐induced desensitization of the epidermal growth factor receptor (EGFR) is controlled by c‐Cbl, a ubiquitin ligase that binds multiple signaling proteins, including the Grb2 adaptor. Consistent… Expand
Release of long-range tertiary interactions potentiates aggregation of natively unstructured alpha-synuclein.
- C. Bertoncini, Young-Sang Jung, +4 authors M. Zweckstetter
- Medicine, Chemistry
- Proceedings of the National Academy of Sciences…
- 1 February 2005
In idiopathic Parkinson's disease, intracytoplasmic neuronal inclusions (Lewy bodies) containing aggregates of the protein alpha-synuclein (alphaS) are deposited in the pigmented nuclei of the… Expand
Decreased accessibility and lack of activation of ErbB2 in JIMT-1, a herceptin-resistant, MUC4-expressing breast cancer cell line.
Overexpression of erbB2 in breast tumors is associated with poor prognosis and is a target of receptor-oriented cancer therapy. Trastuzumab (Herceptin), a monoclonal antibody against a… Expand
Oligomerization of epidermal growth factor receptors on A431 cells studied by time-resolved fluorescence imaging microscopy. A stereochemical model for tyrosine kinase receptor activation
The aggregation states of the epidermal growth factor receptor (EGFR) on single A431 human epidermoid carcinoma cells were assessed with two new techniques for determining fluorescence resonance… Expand
Quantum dot ligands provide new insights into erbB/HER receptor–mediated signal transduction
The erbB/HER family of transmembrane receptor tyrosine kinases (RTKs) mediate cellular responses to epidermal growth factor (EGF) and related ligands. We have imaged the early stages of RTK-dependent… Expand
Impact of the acidic C-terminal region comprising amino acids 109-140 on alpha-synuclein aggregation in vitro.
The aggregation of alpha-synuclein, involved in the pathogenesis of several neurodegenerative disorders such as Parkinson's disease, is enhanced in vitro by biogenic polyamines binding to the highly… Expand
Ligand-Induced Internalization of the p75 Neurotrophin Receptor: A Slow Route to the Signaling Endosome
- F. Bronfman, M. Tcherpakov, T. Jovin, M. Fainzilber
- Biology, Medicine
- The Journal of Neuroscience
- 15 April 2003
The nerve growth factor (NGF) family of neurotrophins binds two classes of cell-surface receptors, trk receptor tyrosine kinases and the shared p75 receptor. Rapid internalization and retrograde… Expand
Superresolution by localization of quantum dots using blinking statistics.
In microscopy, single fluorescence point sources can be localized with a precision several times greater than the resolution limit of the microscope. We show that the intermittent fluorescence or… Expand
Salt-induced co-operative conformational change of a synthetic DNA: equilibrium and kinetic studies with poly (dG-dC).
A reversible intramolecular and co-operative isomerization of double-stranded, oligomeric and poly(dG-dC) · poly(dG-dC) takes place in aqueous solution when the salt concentration at 25 °C and… Expand