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| 7. |
- Ahlenius, Henrik, et al.
(författare)
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Isolation and generation of neurosphere cultures from embryonic and adult mouse brain.
- 2010
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Ingår i: Methods in Molecular Biology. - Totowa, NJ : Humana Press. - 1940-6029. ; 633, s. 241-252
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Tidskriftsartikel (refereegranskat)abstract
- Neural stem cells are defined as cells that either gives rise to or derives from the cells of the central nervous system and have the unique properties of stem cells, i.e. self-renewal and multipotentiality. One of the widely used methods of expanding neural stem cells under culture conditions is based on the capacity of these cells to divide continuously when cultured in serum-free medium supplemented with various growth factors. One common method used is to grow neural stem cells as free-floating aggregates of cells called neurospheres. Neurospheres can be generated from several structures of the embryonic and adult mammalian brain. Although viable lines can be generated from crude extracts of brain, a precise dissection is crucial to get a pure population of cells. Here we describe methods for dissection, isolation and generation of neurospheres from embryonic ganglionic eminences and adult subventricular zone of mice and rats.
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| 8. |
- Ahmad, Faiyaz, et al.
(författare)
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Adenovirus-mediated overexpression of murine cyclic nucleotide phosphodiesterase 3B
- 2005
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Ingår i: Methods in molecular biology (Clifton, N.J.). - New Jersey : Humana Press. - 1940-6029 .- 1064-3745. ; 307, s. 93-107
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Bokkapitel (övrigt vetenskapligt/konstnärligt)abstract
- To construct the recombinant adenovirus vector containing the cDNA for recombinant mouse cyclic nucleotide phosphodiesterase 3B (mPDE3B), the cDNA for mPDE3B was subcloned into pACCMV.pLpA. Subsequently, this recombinant plasmid, pACCMV.mPDE3B, was cotransfected with pJM17 plasmid containing the adenoviral genome into 293 human embryonic kidney cells, and the replication-deficient adenovirus AdCMV.mPDE3B was generated via homologous recombination. Large-scale preparation of adenovirus yielded 10(11)-10(13) viral particles/mL and could be quantitated by real-time polymerase chain reaction using iCycler (Bio-Rad). Efficiency of gene transfer was assessed by infecting FDCP2 or H4IIE cells with a recombinant adenovirus expressing beta-galactosidase (beta-gal); greater than 75% of cells were infected. Expression of mPDE3B in H4IIE hepatoma cells, FDCP2 hematopoietic cells, and beta-cells from isolated pancreatic islets was detected by Western blot analysis. In lysates from FDCP2 cells and H4IIE hepatoma cells infected with recombinant adenoviral mPDE3B constructs, mPDE3B activity was increased 10- to 30-fold compared with the activity in lysates from cells infected with beta-gal adenovirus. Stimulation of FDCP2 cells infected with mPDE3B adenovirus with insulin (100 nM, 10 min) resulted in an approx 1.7-fold increase in endogenous PDE3B and recombinant wild-type PDE3B activities. Infection of rat pancreatic islets resulted in a 5- to 10-fold increase in PDE3B expression and activity and subsequent blunting of insulin secretion. Thus, adenovirus-mediated gene transfer is effective for studying expression and regulation of recombinant PDE3 in insulin-responsive cells as well as insulin-secreting cells.
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| 9. |
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| 10. |
- Aldrin-Kirk, Patrick, et al.
(författare)
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Practical Considerations for the Use of DREADD and Other Chemogenetic Receptors to Regulate Neuronal Activity in the Mammalian Brain
- 2019
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Ingår i: Methods in molecular biology (Clifton, N.J.). - New York, NY : Springer New York. - 1940-6029. ; 1937, s. 59-87
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Tidskriftsartikel (refereegranskat)abstract
- Chemogenetics is the process of genetically expressing a macromolecule receptor capable of modulating the activity of the cell in response to selective chemical ligand. This chapter will cover the chemogenetic technologies that are available to date, focusing on the commonly available engineered or otherwise modified ligand-gated ion channels and G-protein-coupled receptors in the context of neuromodulation. First, we will give a brief overview of each chemogenetic approach as well as in vitro/in vivo applications, then we will list their strengths and weaknesses. Finally, we will provide tips for ligand application in each case.Each technology has specific limitations that make them more or less suitable for different applications in neuroscience although we will focus mainly on the most commonly used and versatile family named designer receptors exclusively activated by designer drugs or DREADDs. We here describe the most common cases where these can be implemented and provide tips on how and where these technologies can be applied in the field of neuroscience.
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| 11. |
- Alexandersson, Erik, et al.
(författare)
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Purification and proteomic analysis of plant plasma membranes.
- 2008
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Ingår i: Methods in Molecular Biology. - Totowa, NJ : Humana Press. - 1940-6029. ; 432, s. 161-173
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Tidskriftsartikel (refereegranskat)abstract
- All techniques needed for proteomic analyses of plant plasma membranes are described in detail, from isolation of plasma membranes to protein identification by mass spectrometry (MS). Plasma membranes are isolated by aqueous two-phase partitioning yielding vesicles with a cytoplasmic side-in orientation and a purity of about 95%. These vesicles are turned inside-out by treatment with Brij 58, which removes soluble contaminating proteins enclosed in the vesicles as well as loosely attached proteins. The final plasma membrane preparation thus retains all integral proteins and many peripheral proteins. Proteins are separated by one-dimensional sodium dodecyl sulphate-polyacrylamide gel electrophoresis (SDS-PAGE), and protein bands are excised and digested with trypsin. Peptides in tryptic digests are separated by nanoflow liquid chromatography and either fed directly into an ESI-MS or spotted onto matrix-assisted laser desorption ionization (MALDI) plates for analysis with MALDI-MS. Finally, data processing and database searching are used for protein identification to define a plasma membrane proteome.
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| 12. |
- Allen, Marie, et al.
(författare)
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Mitochondrial D-loop and coding sequence analysis using pyrosequencing
- 2005
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Ingår i: Methods in Molecular Biology. - New Jersey : Humana Press. - 1064-3745 .- 1940-6029. ; 297, s. 179-196
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Tidskriftsartikel (refereegranskat)abstract
- In forensic casework analysis, mitochondrial deoxyribonucleic acid (DNA) often is used when the evidence material contains scarce amounts of DNA. Here, a mitochondrial DNA typing system for D-loop and coding region analysis based on pyrosequencing is described. Pyrosequencing is a real-time, single-tube sequencing-by-synthesis method, in which a cascade of enzymatic reactions yields detectable light. This pyrosequencing system has a higher resolution than the D-loop analysis performed routinely today as it also covers informative positions in the mitochondrial coding region. The system is composed of 16 polymerase chain reaction (PCR) fragments and 24 pyrosequencing reactions with a turn around time for a 96-well plate of less than 3 h after PCR.
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| 13. |
- Allen, Marie, et al.
(författare)
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Universal tag arrays in forensic SNP analysis.
- 2005
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Ingår i: Methods in Molecular Biology. - 1064-3745 .- 1940-6029. ; 297, s. 141-154
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Tidskriftsartikel (refereegranskat)abstract
- Microarray-based single nucleotide polymorphism (SNP) genotyping enables simultaneous and rapid detection of a large number of markers and is thus an attractive method for forensic individual acid identification. This assay relies on a one-color detection system and minisequencing in solution before hybridization to universal tag arrays. The minisequencing reaction is based on incorporation of a fluorescent dideoxynucleotide to a primer containing a tag-sequence flanking the position to be interrogated. This one-color system detects C and T polymorphisms in separate reactions on multiple polymerase chain reaction targets with the fluorophore TAMRA coupled to the respective dideoxynucleotide. After incorporation, tagged primer sequences are hybridized through their complementary sequence on the array, and positive signals are detected by a confocal laser-scanner.
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| 14. |
- Altai, Mohamed, et al.
(författare)
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Preparation of Conjugates for Affibody-Based PNA-Mediated Pretargeting.
- 2020
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Ingår i: Methods in Molecular Biology. - New York, NY : Springer US. - 1064-3745 .- 1940-6029. ; 2105, s. 283-304, s. 283-304
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Tidskriftsartikel (refereegranskat)abstract
- Affibody molecules are small engineered scaffold proteins suitable for in vivo tumor targeting. Radionuclide molecular imaging using directly radiolabelled affibody molecules provides excellent imaging. However, affibody molecules have a high renal reabsorption, which complicates their use for radionuclide therapy. The high renal reabsorption is a common problem for the use of engineered scaffold proteins for radionuclide therapy. Affibody-based PNA-mediated pretargeting reduces dramatically the absorbed dose to the kidneys and makes affibody-based radionuclide therapy possible. This methodology might, hopefully, solve the problem of high renal reabsorption for radionuclide therapy mediated by other engineered scaffold proteins.
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| 15. |
- Alvarez-Castro, Jose, et al.
(författare)
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Estimation and interpretation of genetic effects with epistasis using the NOIA model.
- 2012
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Ingår i: Methods in Molecular Biology. - Totowa, NJ : Humana Press. - 1064-3745 .- 1940-6029. ; 871, s. 191-204
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Tidskriftsartikel (refereegranskat)abstract
- We introduce this communication with a brief outline of the historical landmarks in genetic modeling, especially concerning epistasis. Then, we present methods for the use of genetic modeling in QTL analyses. In particular, we summarize the essential expressions of the natural and orthogonal interactions (NOIA) model of genetic effects. Our motivation for reviewing that theory here is twofold. First, this review presents a digest of the expressions for the application of the NOIA model, which are often mixed with intermediate and additional formulae in the original articles. Second, we make the required theory handy for the reader to relate the genetic concepts to the particular mathematical expressions underlying them. We illustrate those relations by providing graphical interpretations and a diagram summarizing the key features for applying genetic modeling with epistasis in comprehensive QTL analyses. Finally, we briefly review some examples of the application of NOIA to real data and the way it improves the interpretability of the results.
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| 16. |
- Amirbeagi, Firoozeh, et al.
(författare)
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Determination of Subset-Restricted Anti-neutrophil Cytoplasmic Antibodies (ANCA) by Immunofluorescence Cytochemistry.
- 2019
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Ingår i: Methods in molecular biology (Clifton, N.J.). - New York, NY : Springer New York. - 1940-6029. ; , s. 63-77
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Bokkapitel (refereegranskat)abstract
- Neutrophils have long been considered a homogeneous cell type where all circulating cells of a particular individual express the same proteins. Lately, however, this view is changing and distinct neutrophil subsets, defined by the presence or absence of different proteins, are being increasingly recognized. At least two separate protein markers, CD177 and Olfactomedin-4 (OLFM4) are known to be expressed by some, but not all, circulating neutrophils of a given individual. We recently described the existence of subset-restricted serum autoantibodies targeting OLFM4; these were discovered during clinical testing for anti-neutrophil cytoplasmic antibodies (ANCAs). ANCA testing is part of the clinical examinations routinely carried out to support diagnosis of suspected autoimmune conditions, especially vasculitis. Positive sera typically react with all neutrophils from a single donor, whereas subset-restricted ANCA sera (such as those containing anti-OLFM4 antibodies) only react with a fraction of neutrophils. Described in this chapter is an indirect immunofluorescence (IIF) approach to test human sera for the presence of subset-restricted ANCA as well as instructions for costaining experiments using sera and purified antibodies directed against established subset markers.
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| 17. |
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| 18. |
- Andersson, Jan O.
(författare)
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Horizontal gene transfer between microbial eukaryotes.
- 2009
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Ingår i: Methods in Molecular Biology. - Totowa, NJ : Humana Press. - 1064-3745 .- 1940-6029. ; 532:4, s. 473-487
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Tidskriftsartikel (refereegranskat)abstract
- Comparative genomics have identified two loosely defined classes of genes: widely distributed core genes that encode proteins for central functions in the cell and accessory genes that are patchily distributed across lineages and encode taxa-specific functions. Studies of microbial eukaryotes show that both categories undergo horizontal gene transfer (HGT) from prokaryotes, but also between eukaryotic organisms. Intra-domain gene transfers of most core genes seem to be relatively infrequent and therefore comparatively easy to detect using phylogenetic methods. In contrast, phylogenies of accessory genes often have complex topologies with little or no resemblance of organismal relationships typically with eukaryotes and prokaryotes intermingled, making detailed evolutionary histories difficult to interpret. Nevertheless, this suggests significant rates of gene transfer between and among the three domains of life for many of these genes, affecting a considerably diversity of eukaryotic microbes, although the current depth of taxonomic sampling usually is insufficient to pin down individual transfer events. The occurrence of intra-domain transfer among microbial eukaryotes has important implications for studies of organismal phylogeny as well as eukaryote genome evolution in general.
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| 19. |
- Andreasson, Erik, et al.
(författare)
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Isolation of Apoplast
- 2017
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Ingår i: Methods in Molecular Biology. - New York, NY : Springer New York. - 1064-3745 .- 1940-6029. ; 1511, s. 233-240
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Tidskriftsartikel (refereegranskat)abstract
- The apoplast can be described as the soluble fraction of the extracellular space of plant tissue, and it plays an important role in signaling, nutrient transport, and plant-pathogen interactions. In this protocol, we describe a method where leaves are infiltrated with phosphate buffer under vacuum. The apoplast can then be extracted by centrifugation and simultaneously collected in a protease inhibitor solution. Using this protocol, typically 3 mu g of apoplastic proteins can be obtained in a volume of 300 mu L from five potato leaflets, with minimal contamination by non-apoplastic proteins.
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| 20. |
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| 21. |
- Antonson, P, et al.
(författare)
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Estrogen Receptor-α Knockout Mice
- 2016
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Ingår i: Methods in molecular biology (Clifton, N.J.). - New York, NY : Springer New York. - 1940-6029. ; 1366, s. 425-430
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Tidskriftsartikel (refereegranskat)
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| 22. |
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| 24. |
- Archer, Amena, et al.
(författare)
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Expression Profiles of Estrogen-Regulated MicroRNAs in Cancer Cells.
- 2022
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Ingår i: Methods in Molecular Biology. - New York, NY : Springer Nature. - 1064-3745 .- 1940-6029. ; 2418, s. 313-343
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Tidskriftsartikel (refereegranskat)abstract
- MicroRNAs play critical roles through their impact on posttranscriptional gene regulation. In cancer, they can act as oncogenes or tumor suppressors and can also function as biomarkers. Here, we describe a method for robust characterization of estrogen-regulated microRNA profiles. The activity of estrogen is mediated by two nuclear receptors, estrogen receptor alpha and estrogen receptor beta, and a transmembrane G-protein coupled estrogen receptor 1. This chapter details how to prepare cells for optimal estrogen response, directions for estrogen treatment, RNA extraction, different microRNA profiling approaches, and subsequent confirmations.
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| 28. |
- Aslıyüce, Sevgi, et al.
(författare)
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Preparation of Staphylococcal Protein A Imprinted Supermacroporous Cryogel Beads
- 2022
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Ingår i: Methods in Molecular Biology. - New York, NY : Springer US. - 1064-3745 .- 1940-6029. ; 2466, s. 261-273
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Bokkapitel (refereegranskat)abstract
- Protein A is the most commonly used ligand in IgG purification due to its specific binding to the Fc receptor of most immunoglobulins, making it commercially important. Molecular imprinting is a method based on the selective recognition of various molecules. Molecular imprinted polymers are materials that are easy to prepare, durable, cheap and have molecular recognition capability. Cryogels are prepared by radical polymerization in a partially frozen environment. The unique structure of cryogels combined with osmotic, chemical and mechanical stability make them attractive chromatography matrices for a variety of biological compounds/specimens (plasmids, pathogens, cells). In this protocol, protein A imprinted supermacroporous poly(2-hydroxyethyl methacrylate) cryogels were prepared in spherical form for protein A purification. The characterization of the prepared cryogels were made by swelling test, scanning electron microscopy (SEM), Fourier transform infrared spectrophotometer (FTIR), and Brunauer–Emmett–Teller (BET) surface area analysis. After characterization, optimum conditions for protein A adsorption were determined in the batch system. The maximum protein A adsorption capacity was determined after optimization of the imprinted cryogels. Protein A relative selectivity coefficients of imprinted cryogels were examined for both Fc and protein G. Protein A was isolated from the bacterial cell wall using fast performance liquid chromatography (FPLC). The separated protein A was determined by sodium dodecyl sulfate gel electrophoresis (SDS-PAGE). In the last stage, the reusability of the cryogel was examined.
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| 29. |
- Aufschnaiter, Andreas, Dr. rer. nat. 1988-, et al.
(författare)
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Yeast Mitoribosome Purification and Analyses by Sucrose Density Centrifugation and Immunoprecipitation
- 2023
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Ingår i: Methods in Molecular Biology. - : Humana Press. - 1064-3745 .- 1940-6029. ; , s. 119-132, s. 119-132
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Bokkapitel (övrigt vetenskapligt/konstnärligt)abstract
- Mitochondrial protein biosynthesis is maintained by an interplay between the mitochondrial ribosome (mitoribosome) and a large set of protein interaction partners. This interactome regulates a diverse set of functions, including mitochondrial gene expression, translation, protein quality control, and respiratory chain assembly. Hence, robust methods to biochemically and structurally analyze this molecular machinery are required to understand the sophisticated regulation of mitochondrial protein biosynthesis. In this chapter, we present detailed protocols for immunoprecipitation, sucrose cushions, and linear sucrose gradients to purify and analyze mitoribosomes and their interaction partners.
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| 30. |
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| 31. |
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| 32. |
- Baranello, L, et al.
(författare)
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Mapping DNA Breaks by Next-Generation Sequencing
- 2018
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Ingår i: Methods in molecular biology (Clifton, N.J.). - New York, NY : Springer New York. - 1940-6029. ; 1672, s. 155-166
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Tidskriftsartikel (refereegranskat)
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| 33. |
- Barker, CJ, et al.
(författare)
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HPLC separation of inositol polyphosphates
- 2010
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Ingår i: Methods in molecular biology (Clifton, N.J.). - Totowa, NJ : Humana Press. - 1940-6029. ; 645, s. 21-46
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Tidskriftsartikel (refereegranskat)
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| 34. |
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| 35. |
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| 36. |
- Barreby, E, et al.
(författare)
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Kupffer Cell mRNA Sequencing
- 2020
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Ingår i: Methods in molecular biology (Clifton, N.J.). - New York, NY : Springer US. - 1940-6029. ; 2164, s. 27-44
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Tidskriftsartikel (refereegranskat)
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| 37. |
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| 38. |
- Bauer, Mikael, et al.
(författare)
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Protein networks involved in vesicle fusion, transport, and storage revealed by array-based proteomics.
- 2011
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Ingår i: Methods in Molecular Biology. - Totowa, NJ : Humana Press. - 1940-6029. ; 781, s. 47-58
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Tidskriftsartikel (refereegranskat)abstract
- Secretagogin is a calcium-binding protein whose expression is characterised in neuroendocrine, pancreatic, and retinal cells. We have used an array-based proteomic approach with the prokaryotically expressed human protein array (hEx1) and the eukaryotically expressed human protein array (Protoarray) to identify novel calcium-regulated interaction networks of secretagogin. Screening of these arrays with fluorophore-labelled secretagogin in the presence of Ca(2+) ions led to the identification of 12 (hEx1) and 6 (Protoarray) putative targets. A number of targets were identified in both array screens. The putative targets from the hEx1 array were expressed, purified, and subjected to binding analysis using surface plasmon resonance. This identified binding affinities for nine novel secretagogin targets with equilibrium dissociation constants in the 100 pM to 10 nM range. Six of the novel target proteins have important roles in vesicle trafficking; SNAP-23, ARFGAP2, and DOC2alpha are involved in regulating fusion of vesicles to membranes, kinesin 5B and tubulin are essential for transport of vesicles in the cell, and rootletin builds up the rootlet, which is believed to function as scaffold for vesicles. Among the targets are two enzymes, DDAH-2 and ATP-synthase, and one oncoprotein, myeloid leukaemia factor 2. This screening method identifies a role for secretagogin in secretion and vesicle trafficking interacting with several proteins integral to these processes.
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| 39. |
- Belting, Mattias, et al.
(författare)
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Developments in macromolecular drug delivery.
- 2009
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Ingår i: Methods in Molecular Biology. - Totowa, NJ : Humana Press. - 1940-6029. ; 480, s. 1-10
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Tidskriftsartikel (refereegranskat)abstract
- Macromolecular drugs hold great promise as novel therapeutics of several major disorders, such as cancer and cardiovascular disease. However, their use is limited by lack of efficient, safe, and specific delivery strategies. Successful development of such strategies requires interdisciplinary collaborations involving researchers with expertise on, e.g., polymer chemistry, cell biology, nanotechnology, systems biology, advanced imaging methods, and clinical medicine. This not only poses obvious challenges to the scientific community but also provides opportunities for the unexpected at the interface between different disciplines. This introductory chapter summarizes and gives references to studies on macromolecular delivery that should be of interest to a broad scientific audience involved in macromolecular drug synthesis as well as in vitro and in vivo drug delivery studies.
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| 40. |
- Benetó, Noelia, et al.
(författare)
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Genome Editing Using Cas9-gRNA Ribonucleoprotein in Human Pluripotent Stem Cells for Disease Modeling
- 2022
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Ingår i: Methods in Molecular Biology. - New York, NY : Springer US. - 1940-6029 .- 1064-3745. ; 2549, s. 409-425
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Bokkapitel (refereegranskat)abstract
- The discovery that the CRISPR/Cas9 system could be used for genome editing purposes represented a major breakthrough in the field. This advancement has notably facilitated the introduction or correction of disease-specific mutations in healthy or disease stem cell lines respectively; therefore, easing disease modeling studies in combination with differentiation protocols. For many years, variability in the genetic background of different stem cell lines has been a major burden to specifically identify phenotypes arising uniquely from the presence of the mutation and not from differences in other genomic regions. Here, we provide a complete protocol to introduce random indels in human wild type pluripotent stem cells using CRISPR/Cas9 in order to generate clonal lines with potential pathogenic alterations in any gene of interest. In this protocol, we use transfection of a ribonucleoprotein complex to diminish the risk of off-target effects, and select clonal lines with promising indels to obtain disease induced pluripotent stem cell lines.
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| 41. |
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| 42. |
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| 43. |
- Birgersson, Madeleine, et al.
(författare)
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Antibody Validation for Estrogen Receptor Beta
- 2022
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Ingår i: Methods in Molecular Biology. - New York, NY : Springer Nature. - 1064-3745 .- 1940-6029. ; 2418, s. 1-23, s. 1-23
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Tidskriftsartikel (refereegranskat)abstract
- Antibodies can cross-react with proteins other than their intended targets, and antibody-based applications can, if not properly validated, lead to flawed interpretations. When evaluating 13 anti-estrogen receptor beta (ERβ) antibodies in 2017, we concluded that only one of them was specific. Applying this antibody in immunohistochemistry of over 44 different normal human tissues and 20 types of cancers revealed ERβ expression in only a few selected tissues. This aligned with mRNA evidence but contradicted a large set of published literature. ERβ protein expression continues to be reported in tissues without clear support by mRNA expression. In this chapter, we describe how ERβ antibodies can be thoroughly validated and discuss selection of well-characterized positive and negative controls. The validation scheme presented is applicable for immunohistochemistry and Western blotting. The protocol includes evaluation of mRNA evidence, use of public databases, assessment of on- and off-target binding, and an optional step for corroboration with immunoprecipitation and mass spectrometry.
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| 44. |
- Björkbacka, Harry
(författare)
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Microarray Experiments to Uncover Toll-Like Receptor Function.
- 2009
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Ingår i: Methods in Molecular Biology. - Totowa, NJ : Humana Press. - 1940-6029. ; 517, s. 1-23
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Tidskriftsartikel (refereegranskat)abstract
- This chapter is intended as a handbook for anyone interested in using microarrays to study Toll-like receptor (TLR) function or any other biological question. Although microarray technology has developed into a standard tool at many laboratories disposal, most of the actual microarray processing is done by core facilities using highly specialized equipment. This chapter only briefly describes these methods in principle and instead focus on the parts that investigators themselves can influence, such as the experimental design, RNA isolation, statistical analysis, cluster analysis, data visualization, and biological interpretation.
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| 45. |
- Björklund, Tomas
(författare)
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Expression of Multiple Functional RNAs or Proteins from One Viral Vector.
- 2016
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Ingår i: Methods in Molecular Biology. - New York, NY : Springer New York. - 1940-6029. ; 1382, s. 41-56
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Tidskriftsartikel (refereegranskat)abstract
- In this chapter, we will cover the available design choices for enabling expression of two functional protein or RNA sequences from a single viral vector. Such vectors are very useful in the neuroscience-related field of neuronal control and modulation, e.g., using optogenetics or DREADDs, but are also desirable in applications of CRISPR/Cas9 in situ genome editing and more refined therapeutic approaches. Each approach to achieving this combined expression has its own strengths and limitations, which makes them more or less suitable for different applications. In this chapter, we describe the available alternatives and provide tips on how they can be implemented.
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| 46. |
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| 47. |
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| 48. |
- Bonander, Nicklas, 1968, et al.
(författare)
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Optimising yeast as a host for recombinant protein production (review)
- 2012
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Ingår i: Methods in Molecular Biology. - Totowa, NJ : Humana Press. - 1940-6029 .- 1064-3745. ; 866, s. 1-9
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Forskningsöversikt (refereegranskat)abstract
- Having access to suitably stable, functional recombinant protein samples underpins diverse academic and industrial research efforts to understand the workings of the cell in health and disease. Synthesising a protein in recombinant host cells typically allows the isolation of the pure protein in quantities much higher than those found in the protein's native source. Yeast is a popular host as it is a eukaryote with similar synthetic machinery to the native human source cells of many proteins of interest, while also being quick, easy, and cheap to grow and process. Even in these cells the production of some proteins can be plagued by low functional yields. We have identified molecular mechanisms and culture parameters underpinning high yields and have consolidated our findings to engineer improved yeast cell factories. In this chapter, we provide an overview of the opportunities available to improve yeast as a host system for recombinant protein production.
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| 49. |
- Borrebaeck, Carl A K, et al.
(författare)
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Recombinant Antibody Microarray for Profiling the Serum Proteome of SLE.
- 2014
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Ingår i: Methods in Molecular Biology. - New York, NY : Springer New York. - 1940-6029. ; 1134, s. 67-78
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Tidskriftsartikel (refereegranskat)abstract
- Systemic lupus erythematosus (SLE) is a severe autoimmune connective tissue disease. Our current knowledge about the serum proteome, or serum biomarker panels, reflecting disease and disease status is still very limited. Affinity proteomics, represented by recombinant antibody arrays, is a novel, multiplex technology for high-throughput protein expression profiling of crude serum proteomes in a highly specific, sensitive, and miniaturized manner. The antibodies are deposited one by one in an ordered pattern, an array, onto a solid support. Next, the sample is added, and any specifically bound proteins are detected and quantified. The binding pattern is then converted into a relative protein expression map, or protein map, deciphering the composition of the sample at the molecular level. The methodology provides unique opportunities for delineating serum biomarkers reflecting SLE, thus paving the way for improved diagnosis, classification, and prognosis.
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| 50. |
- Borrebaeck, Carl, et al.
(författare)
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Antibody array generation and use.
- 2014
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Ingår i: Methods in Molecular Biology. - Totowa, NJ : Humana Press. - 1940-6029. ; 1131, s. 563-571
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Tidskriftsartikel (refereegranskat)abstract
- Affinity proteomics, represented by antibody arrays, is a multiplex technology for high-throughput protein expression profiling of crude proteomes in a highly specific, sensitive, and miniaturized manner. The antibodies are individually deposited in an ordered pattern, an array, onto a solid support. Next, the sample is added, and any specifically bound proteins are detected and quantified using mainly fluorescence as the mode of detection. The binding pattern is then converted into a relative protein expression map, or protein atlas, delineating the composition of the sample at the molecular level. The technology provides unique opportunities for various applications, such as protein expression profiling, biomarker discovery, disease diagnostics, prognostics, evidence-based therapy selection, and disease monitoring. Here, we describe the generation and use of planar antibody arrays for serum protein profiling.
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