Rapid characterization of secreted recombinant proteins by native mass spectrometry.

Characterization of overexpressed proteins is essential for assessing their quality, and providing input for iterative redesign and optimization. This process is typically carried out following purification procedures that require pronounced cost of time and labor. Therefore, quality assessment of recombinant proteins with no prior purification offers a major advantage.

Role of LAMP1 Binding and pH Sensing by the Spike Complex of Lassa Virus.

Unlabelled: To effectively infect cells, Lassa virus needs to switch in an endosomal compartment from its primary receptor, α-dystroglycan, to a protein termed LAMP1. A unique histidine triad on the surface of the receptor-binding domain from the glycoprotein spike complex of Lassa virus is important for LAMP1 binding. Here we investigate mutated spikes that have an impaired ability to interact with LAMP1 and show that although LAMP1 is important for efficient infectivity, it is not required for spike-mediated membrane fusion per se Our studies reveal important regulatory roles for histidines from the triad in sensing acidic pH and preventing premature spike triggering.

Perceptions of Israeli women with breast cancer regarding the role of the Breast Care Nurse throughout all stages of treatment: a multi center study.

Purpose Of The Research: The role of the Breast Care Nurse (BCN) is well established in Israel. The purpose of this study is to examine the impact of the BCN on Israeli women with breast cancer at all stages of disease from diagnosis, through treatment and follow-up.

Methods: This was a descriptive multi-center study on 321 women with non-metastatic breast cancer who completed their treatment <5 years before.