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Biomedicines, Volume 6, Issue 3

September 2018 - 21 articles

Cover Story: Spider venoms are rich in insecticidal peptides, but as venoms are usually injected, there has been no evolutionary pressure to produce venom peptides with oral activity. Nevertheless, some orally active venom peptides were recently reported, although their oral activity was significantly lower than by injection. Therefore, we systematically evaluated several chemical strategies to increase the oral potency of the insecticidal spider-venom peptide ω-HXTX-Hv1a (Hv1a). N- to C-terminal cyclisation and replacement of disulfide by diselenide bonds failed to improve oral activity. Cyclization of Hv1a dramatically reduced the translocation of Hv1a across the insect midgut, highlighting the importance of bioavailability for oral activity. Hadronyche versuta photo courtesy of Mike Gray (Australian Museum) View the paper here.
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Articles (21)

  • Review
  • Open Access
29 Citations
5,943 Views
14 Pages

The rapid development of the cancer stem cells (CSC) field, together with powerful genome-wide screening techniques, have provided the basis for the development of future alternative and reliable therapies aimed at targeting tumor-initiating cell pop...

  • Review
  • Open Access
184 Citations
9,204 Views
21 Pages

Evidence for the Involvement of the Master Transcription Factor NF-κB in Cancer Initiation and Progression

  • Yu Rou Puar,
  • Muthu K Shanmugam,
  • Lu Fan,
  • Frank Arfuso,
  • Gautam Sethi and
  • Vinay Tergaonkar

Nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB) is responsible for the regulation of a large number of genes that are involved in important physiological processes, including survival, inflammation, and immune responses. At the...

  • Review
  • Open Access
20 Citations
7,177 Views
16 Pages

Progress in Adenoviral Capsid-Display Vaccines

  • Marija Vujadinovic and
  • Jort Vellinga

Adenoviral vectored vaccines against infectious diseases are currently in clinical trials due to their capacity to induce potent antigen-specific B- and T-cell immune responses. Heterologous prime-boost vaccination with adenoviral vector and, for exa...

  • Communication
  • Open Access
12 Citations
4,875 Views
9 Pages

GABA Levels in Left and Right Sensorimotor Cortex Correlate across Individuals

  • Nicolaas A. J. Puts,
  • Stefanie Heba,
  • Ashley D. Harris,
  • Christopher John Evans,
  • David J. McGonigle,
  • Martin Tegenthoff,
  • Tobias Schmidt-Wilcke and
  • Richard A. E. Edden

Differences in γ-aminobutyric acid (GABA) levels measured with Magnetic Resonance Spectroscopy have been shown to correlate with behavioral performance over a number of tasks and cortical regions. These correlations appear to be regionally and...

  • Review
  • Open Access
63 Citations
8,724 Views
12 Pages

Pathogens and Their Effect on Exosome Biogenesis and Composition

  • Leandra B. Jones,
  • Courtnee’ R. Bell,
  • Kartz E. Bibb,
  • Linlin Gu,
  • Mamie T. Coats and
  • Qiana L. Matthews

Exosomes are nanosized membrane microvesicles (30–100 nm) that have the capability to communicate intercellularly and transport cell components (i.e., miRNA, mRNA, proteins and DNA). Exosomes are found in nearly every cell type (i.e., mast cell...

  • Review
  • Open Access
14 Citations
6,119 Views
15 Pages

The paper contains an overview of modern spectroscopic methods for studying the local atomic structure of superparamagnetic nanoparticles based on iron oxide (SPIONs), which are an important class of materials promising for theranostics in oncology....

  • Review
  • Open Access
13 Citations
6,161 Views
13 Pages

The recent advances in immunotherapy and the availability of novel drugs to target the tumor microenvironment have dramatically changed the paradigm of cancer treatment. Nevertheless, a significant proportion of cancer patients are unresponsive or de...

  • Article
  • Open Access
8 Citations
5,537 Views
16 Pages

The concreteness effect (CE) describes a processing advantage for concrete over abstract words. Electrophysiologically, the CE manifests in higher N400 and N700 amplitudes for concrete words. The contribution of the stimulus-inherent imageability to...

  • Review
  • Open Access
24 Citations
9,067 Views
21 Pages

Targeting TGFβ Signaling to Address Fibrosis Using Antisense Oligonucleotides

  • James T. March,
  • Golnoush Golshirazi,
  • Viktorija Cernisova,
  • Heidi Carr,
  • Yee Leong,
  • Ngoc Lu-Nguyen and
  • Linda J. Popplewell

Fibrosis results from the excessive accumulation of extracellular matrix in chronically injured tissue. The fibrotic process is governed by crosstalk between many signaling pathways. The search for an effective treatment is further complicated by the...

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Biomedicines - ISSN 2227-9059