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- Zong, N. C., et al.
(författare)
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Integration of cardiac proteome biology and medicine by a specialized knowledgebase
- 2013
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Ingår i: Circulation Research. - 0009-7330 .- 1524-4571. ; 113:9, s. 1043-1053
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Tidskriftsartikel (refereegranskat)abstract
- Rationale: Omics sciences enable a systems-level perspective in characterizing cardiovascular biology. Integration of diverse proteomics data via a computational strategy will catalyze the assembly of contextualized knowledge, foster discoveries through multidisciplinary investigations, and minimize unnecessary redundancy in research efforts. Objective: The goal of this project is to develop a consolidated cardiac proteome knowledgebase with novel bioinformatics pipeline and Web portals, thereby serving as a new resource to advance cardiovascular biology and medicine. Methods and results: We created Cardiac Organellar Protein Atlas Knowledgebase (COPaKB; www.HeartProteome.org), a centralized platform of high-quality cardiac proteomic data, bioinformatics tools, and relevant cardiovascular phenotypes. Currently, COPaKB features 8 organellar modules, comprising 4203 LC-MS/MS experiments from human, mouse, drosophila, and Caenorhabditis elegans, as well as expression images of 10 924 proteins in human myocardium. In addition, the Java-coded bioinformatics tools provided by COPaKB enable cardiovascular investigators in all disciplines to retrieve and analyze pertinent organellar protein properties of interest. Conclusions: COPaKB provides an innovative and interactive resource that connects research interests with the new biological discoveries in protein sciences. With an array of intuitive tools in this unified Web server, nonproteomics investigators can conveniently collaborate with proteomics specialists to dissect the molecular signatures of cardiovascular phenotypes.
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- Agerberth, B, et al.
(författare)
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FALL-39, a putative human peptide antibiotic, is cysteine-free and expressed in bone marrow and testis.
- 1995
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Ingår i: Proceedings of the National Academy of Sciences of the United States of America. - : Proceedings of the National Academy of Sciences. - 0027-8424 .- 1091-6490. ; 92:1, s. 195-9
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Tidskriftsartikel (refereegranskat)abstract
- PR-39, a proline/arginine-rich peptide antibiotic, has been purified from pig intestine and later shown to originate in the bone marrow. Intending to isolate a clone for a human counterpart to PR-39, we synthesized a PCR probe derived from the PR-39 gene. However, when this probe was used to screen a human bone marrow cDNA library, eight clones were obtained with information for another putative human peptide antibiotic, designated FALL-39 after the first four residues. FALL-39 is a 39-residue peptide lacking cysteine and tryptophan. All human peptide antibiotics previously isolated (or predicted) belong to the defensin family and contain three disulfide bridges. The clone for prepro-FALL-39 encodes a cathelin-like precursor protein with 170 amino acid residues. We have postulated a dibasic processing site for the mature FALL-39 and chemically synthesized the putative peptide. In basal medium E, synthetic FALL-39 was highly active against Escherichia coli and Bacillus megaterium. Residues 13-34 in FALL-39 can be predicted to form a perfect amphiphatic helix, and CD spectra showed that medium E induced 30% helix formation in FALL-39. RNA blot analyses disclosed that the gene for FALL-39 is expressed mainly in human bone marrow and testis.
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- Odeberg, Jacob, et al.
(författare)
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Influence of pre-existing inflammation on the outcome of acute coronary syndrome: a cross-sectional study
- 2016
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Ingår i: Bmj Open. - : BMJ. - 2044-6055. ; 6:1
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Tidskriftsartikel (refereegranskat)abstract
- Objectives: Inflammation is a well-established risk factor for the development of coronary artery disease (CAD) and acute coronary syndrome (ACS). However, less is known about its influence on the outcome of ACS. The aim of this study was to determine if blood biomarkers of inflammation were associated specifically with acute myocardial infarction (MI) or unstable angina (UA) in patients with ACS. Setting: Patients admitted to the coronary care unit, via the emergency room, at a central county hospital over a 4-year period (1992-1996). Participants: In a substudy of Carlscrona Heart Attack Prognosis Study (CHAPS) of 5292 patients admitted to the coronary care unit, we identified 908 patients aged 30-74 years, who at discharge had received the diagnosis of either MI (527) or UA (381). Main outcome measures: MI or UA, based on the diagnosis set at discharge from hospital. Results: When adjusted for smoking, age, sex and duration of chest pain, concentrations of plasma biomarkers of inflammation (high-sensitivity C reactive protein >2 mg/L (OR=1.40 (1.00 to 1.96) and fibrinogen (p for trend=0.035)) analysed at admission were found to be associated with MI over UA, in an event of ACS. A strong significant association with MI over UA was found for blood cell markers of inflammation, that is, counts of neutrophils (p for trend <0.001), monocytes (p for trend <0.001) and thrombocytes (p for trend=0.021), while lymphocyte count showed no association. Interestingly, eosinophil count (p for trend=0.003) was found to be significantly lower in patients with MI compared to those with UA. Conclusions: Our results show that, in patients with ACS, the blood cell profile and degree of inflammation at admission was associated with the outcome. Furthermore, our data suggest that a pre-existing low-grade inflammation may dispose towards MI over UA.
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- Odeberg, Jacob, et al.
(författare)
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Cloning and characterization of ZNF189, a novel human Krüppel-like zinc finger gene localized to chromosome 9q22-q31.
- 1998
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Ingår i: Genomics. - : Elsevier BV. - 0888-7543 .- 1089-8646. ; 50, s. 233-
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Tidskriftsartikel (refereegranskat)abstract
- A 3-kb-long cDNA encoding a Krüppel-like human zinc finger protein was isolated and mapped to chromosome 9q22-q31. The ZNF189 gene encodes a protein with 16 zinc fingers at its C-terminus and belongs to the Krüppel-associated box (KRAB)-containing group of zinc finger proteins. Four differently spliced cDNA transcripts, differing at the 5' coding region where a KRAB A repressor domain is encoded, were isolated. In addition, Northern blot analysis indicates the presence of two additional unidentified splice variants. Comparison of cDNA and genomic sequences shows that the ZNF189 gene spans approximately 11 kb and is organized into at least four exons, the large 3'-end exon coding for the complete zinc finger domain and the 3' untranslated region. ZNF189 is expressed in all tissues and cell types currently investigated, at varying levels, but with a tissue- or cell-type-restricted expression pattern for the different splice variants. ZNF189 is conserved in the genome of several mammalian species. Direct sequencing of the ZNF189 gene in microdissected tumor biopsies of sporadic basal cell carcinoma and squamous cell carcinoma reveals no mutations in the coding sequence or at exon/intron boundaries.
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