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Biomolecules, Volume 9, Issue 3

March 2019 - 37 articles

Cover Story: Parvulin 42 (TbPar42) of Trypanosoma brucei plays a key role in cell growth. Knockdown of this nuclear protein in procyclic cells inhibits proliferation of the parasite. Orthologous proteins of TbPar42 are exclusively found in unicellular organisms and exhibit two-domains, an N-terminal forkhead-associated (FHA)-domain and a peptidyl-prolyl-cis/trans-isomerase (PPIase) domain. We used NMR spectroscopy and X-ray analysis to determine the structures of the isolated domains of TbPar42. We demonstrate the recognition of phosphorylated peptides by motifs within the FHA domain, and test the catalytic activity of the PPIase domain against a broad variety of substrates. The FHA domain of TbPar42 shows structural homology to FHA domains of nuclear RNA-binding proteins in multi-cellular organisms, suggesting a role of TbPar42 in RNA binding/processing. View this paper.
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Articles (37)

  • Article
  • Open Access
44 Citations
8,753 Views
8 Pages

The Relationship between Plasma Taurine Levels and Diabetic Complications in Patients with Type 2 Diabetes Mellitus

  • Duygu Sak,
  • Fusun Erdenen,
  • Cuneyt Müderrisoglu,
  • Esma Altunoglu,
  • Volkan Sozer,
  • Hulya Gungel,
  • Pınar Akca Guler,
  • Tuncer Sak and
  • Hafize Uzun

Background: Taurine has an active role in providing glucose homeostasis and diabetes causes a decline in taurine levels. This paper investigates the relationship between taurine and diabetic complications, patients’ demographic features, and bi...

  • Article
  • Open Access
15 Citations
3,789 Views
12 Pages

The Relationship between Epicardial Adipose Tissue Thickness and Serum Interleukin-17a Level in Patients with Isolated Metabolic Syndrome

  • Esra Demir,
  • Nazmiye Özlem Harmankaya,
  • İrem Kıraç Utku,
  • Gönül Açıksarı,
  • Turgut Uygun,
  • Hanise Özkan and
  • Bülent Demir

In this study, it was aimed to investigate the relationship between the epicardial adipose tissue thickness (EATT) and serum IL-17A level insulin resistance in metabolic syndrome patients. This study enrolled a total of 160 subjects, of whom 80 were...

  • Article
  • Open Access
11 Citations
7,259 Views
20 Pages

The Main Metabolites of Fluorouracil + Adriamycin + Cyclophosphamide (FAC) Are Not Major Contributors to FAC Toxicity in H9c2 Cardiac Differentiated Cells

  • Ana Reis-Mendes,
  • Félix Carvalho,
  • Fernando Remião,
  • Emília Sousa,
  • Maria de Lourdes Bastos and
  • Vera Marisa Costa

In the clinical practice, the combination of 5-fluorouracil (5-FU) + Adriamycin (also known as doxorubicin, DOX) + cyclophosphamide (CYA) (known as FAC) is used to treat breast cancer. The FAC therapy, however, carries some serious risks, namely pote...

  • Review
  • Open Access
48 Citations
5,712 Views
16 Pages

The natural polyphenol Resveratrol (RSV) claims numerous positive effects on health due to the well documented biological effects demonstrating its potential as a disease-preventing agent and as adjuvant for treatment of a wide variety of chronic dis...

  • Article
  • Open Access
1 Citations
5,154 Views
20 Pages

Structural Analysis of the 42 kDa Parvulin of Trypanosoma brucei

  • Edisa Rehic,
  • Dana Hoenig,
  • Bianca E. Kamba,
  • Anna Goehring,
  • Eckhard Hofmann,
  • Raphael Gasper,
  • Anja Matena and
  • Peter Bayer

Trypanosoma brucei is a unicellular eukaryotic parasite, which causes the African sleeping sickness in humans. The recently discovered trypanosomal protein Parvulin 42 (TbPar42) plays a key role in parasite cell proliferation. Homologues of this two-...

  • Article
  • Open Access
13 Citations
4,394 Views
14 Pages

Rational Design, Synthesis and Preliminary Evaluation of Novel Fusarinine C-Based Chelators for Radiolabeling with Zirconium-89

  • Chuangyan Zhai,
  • Shanzhen He,
  • Yunjie Ye,
  • Christine Rangger,
  • Piriya Kaeopookum,
  • Dominik Summer,
  • Hubertus Haas,
  • Leopold Kremser,
  • Herbert Lindner and
  • Julie Foster
  • + 2 authors

Fusarinine C (FSC) has recently been shown to be a promising and novel chelator for 89Zr. Here, FSC has been further derivatized to optimize the complexation properties of FSC-based chelators for 89Zr-labeling by introducing additional carboxylic gro...

  • Article
  • Open Access
7 Citations
4,341 Views
14 Pages

[Pt(O,O′-acac)(γ-acac)(DMS)] Induces Autophagy in Caki-1 Renal Cancer Cells

  • Giovanna Antonaci,
  • Luca Giulio Cossa,
  • Antonella Muscella,
  • Carla Vetrugno,
  • Sandra Angelica De Pascali,
  • Francesco Paolo Fanizzi and
  • Santo Marsigliante

We have demonstrated the cytotoxic effects of [Pt(O,O′-acac)(γ-acac)(dimethyl sulfide (DMS))] on various immortalized cell lines, in primary cultures, and in murine xenograft models in vivo. Recently, we also showed that [Pt(O,O′-ac...

  • Article
  • Open Access
17 Citations
5,312 Views
18 Pages

Functional Segments on Intrinsically Disordered Regions in Disease-Related Proteins

  • Hiroto Anbo,
  • Masaya Sato,
  • Atsushi Okoshi and
  • Satoshi Fukuchi

One of the unique characteristics of intrinsically disordered proteins (IPDs) is the existence of functional segments in intrinsically disordered regions (IDRs). A typical function of these segments is binding to partner molecules, such as proteins a...

  • Article
  • Open Access
38 Citations
5,471 Views
21 Pages

Molecular Antioxidant Properties and In Vitro Cell Toxicity of the p-Aminobenzoic Acid (PABA) Functionalized Peptide Dendrimers §

  • Marta Sowinska,
  • Maja Morawiak,
  • Marta Bochyńska-Czyż,
  • Andrzej W. Lipkowski,
  • Elżbieta Ziemińska,
  • Barbara Zabłocka and
  • Zofia Urbanczyk-Lipkowska

Background: Exposure to ozone level and ultraviolet (UV) radiation is one of the major concerns in the context of public health. Numerous studies confirmed that abundant free radicals initiate undesired processes, e.g. carcinogenesis, cells degenerat...

  • Review
  • Open Access
154 Citations
14,554 Views
15 Pages

The properties and characteristics of calix[n]arenes are described, as well as their capacity to form amphiphilic assemblies by means of the design of synthetic macrocycles with a hydrophilic head and a hydrophobic tail. Their interaction with variou...

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Biomolecules - ISSN 2218-273X