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Showing 1–16 of 16 results
Advanced filters: Author: Chelsie Conrad Clear advanced filters

  • Due to the pulsed nature of X-ray free electron laser (XFEL) instruments the majority of protein crystals, which are injected using continuous jet injection techniques are wasted. Here, the authors present a microfluidic device to deliver aqueous protein crystal laden droplets segmented with an immiscible oil and demonstrate that with this device an approx. 60% reduction in sample waste was achieved for data collection of 3-deoxy-D-manno-octulosonate 8-phosphate synthase crystals at the EuXFEL.

    • Austin Echelmeier
    • Jorvani Cruz Villarreal
    • Alexandra Ros
    ResearchOpen Access
    Nature Communications
    Volume: 11, P: 1-10

  • Time-resolved serial femtosecond crystallography is used to reveal the structural changes that stabilize the charge-separation steps of electron-transfer reactions in the photosynthetic reaction centre of Blastochloris viridis on a timescale of picoseconds.

    • Robert Dods
    • Petra Båth
    • Richard Neutze
    Research
    Nature
    Volume: 589, P: 310-314

  • Time-resolved crystallography (TRX) is used for monitoring only small conformational changes of biomacromolecules within the same lattice. Here, the authors report the interplay between synchronous molecular rearrangements and lattice phase transitions in RNA crystals, providing the basis for the investigation of large conformational changes using TRX.

    • Saminathan Ramakrishnan
    • Jason R. Stagno
    • Yun-Xing Wang
    ResearchOpen Access
    Nature Communications
    Volume: 12, P: 1-10

  • G protein-coupled receptors are a large family of signalling proteins that mediate cellular responses primarily via G proteins or arrestins, and they are targets of one-third of the current clinically used drugs; here, an active form of human rhodopsin bound to a pre-activated form of the mouse visual arrestin-1 is determined, revealing unique structural features that may constitute essential elements for arrestin-biased signalling.

    • Yanyong Kang
    • X. Edward Zhou
    • H. Eric Xu
    Research
    Nature
    Volume: 523, P: 561-567

  • Exome sequencing and copy number analysis are used to define genomic aberrations in early sporadic pancreatic ductal adenocarcinoma; among the findings are mutations in genes involved in chromatin modification and DNA damage repair, and frequent and diverse somatic aberrations in genes known as embryonic regulators of axon guidance.

    • Andrew V. Biankin
    • Nicola Waddell
    • Sean M. Grimmond
    Research
    Nature
    Volume: 491, P: 399-405

  • A whole-genome sequencing analysis of 100 pancreatic ductal adenocarcinomas has discovered known and newly identified genetic drivers of pancreatic cancer; these genetic alterations can be classified into four subtypes, which raises the possibility of improved targeting of clinical treatments.

    • Nicola Waddell
    • Marina Pajic
    • Sean M. Grimmond
    Research
    Nature
    Volume: 518, P: 495-501

  • Serial femtosecond crystallography of the human δ-opioid receptor in complex with an endomorphin-derived peptide reveals interactions that are important for understanding the pharmacology of opioid peptides and developing analgesics with reduced side effects.

    • Gustavo Fenalti
    • Nadia A Zatsepin
    • Vadim Cherezov
    Research
    Nature Structural & Molecular Biology
    Volume: 22, P: 265-268

  • Crystal lattice disorder, which gives rise to a continuous diffraction pattern, is exploited to determine the structure of the integral membrane protein complex photosystem II to a higher resolution than could be achieved using Bragg diffraction alone.

    • Kartik Ayyer
    • Oleksandr M. Yefanov
    • Henry N. Chapman
    Research
    Nature
    Volume: 530, P: 202-206

  • Femtosecond X-ray pulses were used to obtain diffraction data on photosystem II, revealing conformational changes as the complex transitions from the dark S1 state to the double-pumped S3 state; the time-resolved serial femtosecond crystallography technique enables structural determination of protein conformations that are highly prone to traditional radiation damage.

    • Christopher Kupitz
    • Shibom Basu
    • Petra Fromme
    Research
    Nature
    Volume: 513, P: 261-265

  • Subtypes of cancer associated fibroblasts can both promote and suppress tumorigenesis. Here, the authors investigate how p53 status in pancreatic cancer cells affects their interaction with cancer associated fibroblasts, and report perlecan as a mediator of the pro-metastatic environment.

    • Claire Vennin
    • Pauline Mélénec
    • Paul Timpson
    ResearchOpen Access
    Nature Communications
    Volume: 10, P: 1-22

  • An in vivo transposon screen in a pancreatic cancer model identifies frequent inactivation of Usp9x; deletion of Usp9x cooperates with KrasG12D to accelerate rapidly pancreatic tumorigenesis in mice, validating their genetic interaction.

    • Pedro A. Pérez-Mancera
    • Alistair G. Rust
    • David A. Tuveson
    Research
    Nature
    Volume: 486, P: 266-270

  • Lakis et al. report novel findings related to the epigenetic landscape of pancreatic neuroendocrine cancer. This relatively large cohort provides functional insights into the epigenetic wiring of pancreatic neuroendocrine tumor sub-types with the potential ability to stratify tumours of different prognosis.

    • Vanessa Lakis
    • Rita T. Lawlor
    • Aldo Scarpa
    ResearchOpen Access
    Communications Biology
    Volume: 4, P: 1-11