Structural and mechanistic insights into the inhibition of amyloid-β aggregation by Aβ39-42 fragment derived synthetic peptides
作者:Akshay Kapadia、Krishna K. Sharma、Indresh Kumar Maurya、Varinder Singh、Madhu Khullar、Rahul Jain
DOI:10.1016/j.ejmech.2020.113126
日期:2021.2
permeability and offered proteolytic stability to the syntheticpeptides. Several peptides exhibited promising protection against Aβ aggregation-mediated-neurotoxicity in PC-12 cells at doses ranged between 10 μM and 0.1 μM, further confirmed by the thioflavin-T fluorescence assay. CD study illustrate that these peptides restrict the β-sheet formation, and the non-appearance of Aβ42 fibrillar structures in
[EN] SOMATOSTATIN RECEPTOR ANTAGONIST COMPOUNDS AND METHODS OF USING THE SAME<br/>[FR] COMPOSÉS ANTAGONISTES DU RÉCEPTEUR DE LA SOMATOSTATINE ET PROCÉDÉS D'UTILISATION ASSOCIÉS
申请人:CDRD VENTURES INC
公开号:WO2017136943A1
公开(公告)日:2017-08-17
The present invention is directed to somatostatin receptor antagonist compounds having the structure of Formula I, compositions comprising the same, and methods of using such compounds and compositions. The compounds may be useful in the prevention or treatment of hypoglycemia.
Vero cells. [Ala9]-alloferon exhibits the strongest antiviralactivity among the analyzed compounds. However, no cytotoxic activity against Vero cell line was observed for all the studied peptides. In vivo assays with hemocytes of T. molitor showed that [Lys9]-, [Phg9]-, [Lys12]-, and [Phe12]-alloferon exhibit a twofold increase in caspases activity in comparison with the native peptide. The CD conformational
Synthesis and antibacterial studies of teixobactin analogues with non-isostere substitution of enduracididine
作者:Kang Jin、Kathy Hiu Laam Po、Wang Yeuk Kong、Chung Hei Lo、Chun Wah Lo、Ho Yin Lam、Amaya Sirinimal、Jonathan Avraham Reuven、Sheng Chen、Xuechen Li
DOI:10.1016/j.bmc.2018.01.016
日期:2018.3
l-allo-enduracididine (End) residue which is not readily accessible. In this report, we have used convergent Ser Ligation as the key step to prepare a series of teixobactin analogues with End being substituted with its non-isostere moieties. Among these analogues, compounds T16, T27 and T29 exhibited the best antimicrobial activities against different Gram-positive bacteria with MICs ranging from 0.25
Selective Substrates and Activity-Based Probes for Imaging of the Human Constitutive 20S Proteasome in Cells and Blood Samples
作者:Wioletta Rut、Marcin Poręba、Paulina Kasperkiewicz、Scott J. Snipas、Marcin Drąg
DOI:10.1021/acs.jmedchem.8b00026
日期:2018.6.28
the HyCoSuL approach, we designed and synthesized novel and selective fluorogenic substrates for each of these three constitutive 20S proteasome activities and applied them to assess inhibition of proteasome subunits by MG-132 and a clinically used inhibitor bortezomib. Our results confirm the utility of designed substrates in biochemical assays. Furthermore, selective peptide sequences obtained in this