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Name Authors DOI Group Summary Associated Publications RRIDs used Affiliations External URL Version Publication Date Proper Citation Record Last Update
MSD 96-well human cytokine assay
 
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Sandra L. Ross, Marika Sherman, Patricia L. McElroy, Julie A. Lofgren, Gordon Moody, Patrick A. Baeuerle, Angela Coxon, Tara Arvedson DOI:10.17504/protocols.io.hwzb7f6 This protocol describes MesoScale Discovery (MSD) assays  for measurement of proinflammatory cytokines in supernatants collected from T cell dependent cytotoxicity (TDCC) cultures after BiTE® treatment. Ross SL, Sherman M, McElroy PL, Lofgren JA, Moody G, Baeuerle PA, Coxon A, Arvedson T, Bispecific T cell engager (BiTE) antibody constructs can mediate bystander tumor cell killing. PLoS ONE 12(8). doi: 10.1371/journal.pone.0183390 Department of Oncology Research, Amgen Inc., Department of Oncology Research, Amgen Inc., Department of Oncology Research, Amgen Inc., Department of Oncology Research, Amgen Inc., Department of Oncology Research, Amgen Inc., Department of Oncology Research, Amgen Inc., Department of Oncology Research, Amgen Inc., Department of Oncology Research, Amgen Inc. https://doi.org/10.1371/journal.pone.0183390 1 2017 Sandra L. Ross, Marika Sherman, Patricia L. McElroy, Julie A. Lofgren, Gordon Moody, Patrick A. Baeuerle, Angela Coxon, Tara Arvedson 2017. MSD 96-well human cytokine assay. protocols.io https://dx.doi.org/10.17504/protocols.io.hwzb7f6 2021-04-15 09:15:43
Bloodstream-form culture
 
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Sam Alsford DOI:10.17504/protocols.io.qhtdt6n Protocol obtained from the Alsford Lab at the London School of Hygiene & Tropical Medicine(https://blogs.lshtm.ac.uk/alsfordlab/protocols/bloodstream-form-culture/) Lab Protocol Owner 1 2018 Sam Alsford 2018. Bloodstream-form culture. protocols.io https://dx.doi.org/10.17504/protocols.io.qhtdt6n 2021-04-15 09:15:40
Systemic AAV vectors for widespread and targeted gene delivery in rodents
 
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Rosemary C. Challis, Sripriya Ravindra Kumar, Ken Y. Chan, Collin Challis, Keith Beadle, Min J. Jang, Hyun Min Kim, Pradeep S. Rajendran, John D. Tompkins, Kalyanam Shivkumar, Benjamin E. Deverman, Viviana Gradinaru DOI:10.17504/protocols.io.84ahyse Neurodegeneration Method Development Community We recently developed adeno-associated virus (AAV) capsids to facilitate efficient and noninvasive gene transfer to the central and peripheral nervous systems. However, a detailed protocol for generating and systemically delivering novel AAV variants was not previously available. In this protocol, we describe how to produce and intravenously administer AAVs to adult mice to specifically label and/or genetically manipulate cells in the nervous system and organs, including the heart. The procedure comprises three separate stages: AAV production, intravenous delivery, and evaluation of transgene expression. The protocol spans 8 d, excluding the time required to assess gene expression, and can be readily adopted by researchers with basic molecular biology, cell culture, and animal work experience. We provide guidelines for experimental design and choice of the capsid, cargo, and viral dose appropriate for the experimental aims. The procedures outlined here are adaptable to diverse biomedical applications, from anatomical and functional mapping to gene expression, silencing, and editing. Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA, USA, Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA, USA, Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA, USA, Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA, USA, Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA, USA, Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA, USA, Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA, USA, Cardiac Arrhythmia Center and Neurocardiology Research Center of Excellence, University of California, Los Angeles, Los Angeles, CA, USA, Cardiac Arrhythmia Center and Neurocardiology Research Center of Excellence, University of California, Los Angeles, Los Angeles, CA, USA, Cardiac Arrhythmia Center and Neurocardiology Research Center of Excellence, University of California, Los Angeles, Los Angeles, CA, USA, Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA, USA, Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA, USA https://www.nature.com/articles/s41596-018-0097-3 1 2019 Rosemary C. Challis, Sripriya Ravindra Kumar, Ken Y. Chan, Collin Challis, Keith Beadle, Min J. Jang, Hyun Min Kim, Pradeep S. Rajendran, John D. Tompkins, Kalyanam Shivkumar, Benjamin E. Deverman, Viviana Gradinaru 2019. Systemic AAV vectors for widespread and targeted gene delivery in rodents. protocols.io https://dx.doi.org/10.17504/protocols.io.84ahyse 2021-04-15 09:15:40
Adult human kidney tissue cell dissociation (on ice)
 
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Andrew Potter DOI:10.17504/protocols.io.q6cdzaw Human Cell Atlas Method Development Community This protocol can be used to dissociate adult human kidney “on ice” - maintaining authentic gene expression profiles. It was designed using a mix of Collagenases (Type 4, and A) which provide broad proteolytic activity, but preferentially cleave extracellular bonds, largely leaving cells intact. The total incubation time is 1 hour 20 minutes divided into two layers. At the end of the procedure, RBC lysis is performed. The total yield at the end of the procedure is ~1200 (non-RBC) cells released per mg tissue with 87% viability.In the digest mix, there is trypsin inhibitor from soybean which is designed to limit the activity of tryptic proteins in the collagenase mix which can damage the integrity of the cell. There is also 5 mM CaCl2, an activator of collagenase activity, in addition to DNAse - which chews up DNA released from dead cells, reducing cell clumping. The dissociation itself it carried out in two layers. The first layer is 30 minutes and includes trituration and shaking. After this layer, tissue clumps are settled for 1 min, and the supernatant containing released cells is removed and filtered using a 30 µM filter and rinsed with ice-cold PBS-BSA. This helps to preserve the integrity of released cells while continuing the digest clumps of undissociated cells. To the residual clumps, an additional 1 mL of enzyme mix is added and the digestion is continued for 50 additional minutes (1 hr 20 mins total time). University of Cincinnati 1 2018 Andrew Potter 2018. Adult human kidney tissue cell dissociation (on ice). protocols.io https://dx.doi.org/10.17504/protocols.io.q6cdzaw 2021-04-15 09:15:40
MRM-LC-MS/MS Assay for inflammatrory associated proteins in serum
 
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DOI:10.17504/protocols.io.bm4vk8w6 Metabolomics Protocols & Workflows, Translational Mass Spectrometry Research Group Multiplex targeted proteomic assay to measure human proteins associated with inflammation in serum. A unique peptide is selected to represent a protein and is measured using multiple reaction monitoring (MRM) mass spectrometry. Doykov I, Hällqvist J, Gilmour KC, Grandjean L, Mills K, Heywood WE, ‘The long tail of Covid-19’ - The detection of a prolonged inflammatory response after a SARS-CoV-2 infection in asymptomatic and mildly affected patients. F1000Research doi: 10.12688/f1000research.27287.1 University College London, University of London https://doi.org/10.12688/f1000research.27287.1 1 2020 2020. MRM-LC-MS/MS Assay for inflammatrory associated proteins in serum. protocols.io https://dx.doi.org/10.17504/protocols.io.bm4vk8w6 2021-04-15 09:15:43
Efficacy of metformin in patients with breast cancer receiving chemotherapy or endocrine therapy:Systematic review and meta-analysis (protocol)
 
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Kayoko Morio, Yasuko Kurata, Nobuko Kawaguchi-Sakita, Akihiro Shiroshita, Yuki Kataoka DOI:10.17504/protocols.io.bmzak72e Department of Pharmacy, Kobe University Hospital 7-5-2, Kusunoki-cho, Chuo-ku, Kobe, 650-0017, Japan, Department of Pharmacy, Okayama University Hospital, 2-5-1 Shikata-cho, Kita-ku, Okayama 700-8558, Japan, Department of Clinical Oncology, Kyoto University Hospital, 54 Shogoin-Kawaracho, Sakyo-ku, Kyoto 606-8507, Japan, Department of respiratory medicine, Ichinomiya-nishi hospital, Japan, Hospital Care Research Unit, Hyogo Prefectural Amagasaki General Medical Center, Higashinaniwa-cho 2-17-77, Amagasaki 660-8550, Japan 2 2020 Kayoko Morio, Yasuko Kurata, Nobuko Kawaguchi-Sakita, Akihiro Shiroshita, Yuki Kataoka 2020. Efficacy of metformin in patients with breast cancer receiving chemotherapy or endocrine therapy:Systematic review and meta-analysis (protocol). protocols.io https://dx.doi.org/10.17504/protocols.io.bmzak72e 2021-04-15 09:15:55
Sandwich ELISA Protocol
 
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Sam Li DOI:10.17504/protocols.io.98xh9xn BioLegend BioLegend https://www.biolegend.com/protocols/sandwich-elisa-protocol/4268/ 3 2019 Sam Li 2019. Sandwich ELISA Protocol. protocols.io https://dx.doi.org/10.17504/protocols.io.98xh9xn 2021-04-15 09:15:43
Pig ICN recording
 
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Jeffrey Ardell DOI:10.17504/protocols.io.2jugcnw SPARC Yorshire pigs are anthesized for ICN/ neuromodulation recodings. Montior hemodynics A1mid-sternotomy University of California, Los Angeles 1 2019 Jeffrey Ardell 2019. Pig ICN recording. protocols.io https://dx.doi.org/10.17504/protocols.io.2jugcnw 2021-04-15 09:15:39
Immunoprecipitation Protocol
 
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Kelsey Knight DOI:10.17504/protocols.io.tkmeku6 BioLegend Immunoprecipitation is a procedure by which proteins or peptides that react specifically with an antibody are removed from solution and examined for quantity or physical characteristics. Immunoprecipitation can also be used to “enrich” a protein population prior to Western Blotting. For example, one can perform immunoprecipitation with a pan-specific antibody against a protein of interest followed by Western blotting with a modification-specific antibody (such as a phospho-specific antibody or an acetylation-specific antibody). BioLegend https://www.biolegend.com/protocols/immunoprecipitation-protocol/4258/ 2 2018 Kelsey Knight 2018. Immunoprecipitation Protocol. protocols.io https://dx.doi.org/10.17504/protocols.io.tkmeku6 2021-04-15 09:15:54
Transcriptomics
 
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Andreea S DOI:10.17504/protocols.io.bme9k3h6 iGEM Groningen 2020 The potato root secretes root exudates, a mixture of organic molecules out of which solanine is found in the highest concentration (range of ug/ml). Also, solanine is a molecule specifically found in the root exudate of potato plants, which makes it a good candidate for a dependecy molecule which will ensure that Bacillus mycoides doesn't escape the designated action area. Studies have shown that there are soil bacteria able to metabolize solanine as a carbon source. Unfortunately, we weren't able to find an already described solanine-inducing promoter. Because the natural habitat of B. mycoides is the potato rhizosphere, we have strong reasons to believe that if such a promoter may already be present in its genome. In order to find this promoter, we designed a CHIP-Seq experiment. B. mycoides will be incubated with a different range of solanine concentrations. The DNA will be extracted and the CHIP-Seq technique will be used to detect potential binding sites of solanine operators using monoclonal anti-solanine antibodies. University of Groningen 1 2020 Andreea S 2020. Transcriptomics. protocols.io https://dx.doi.org/10.17504/protocols.io.bme9k3h6 2021-04-15 09:15:43
Phenol-chloroform DNA purification
 
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Tomasz Suchan DOI:10.17504/protocols.io.re6d3he Molecular Biogeography Group Because of the influence of salts on enzymatic reactions, Qiagen extractions can be purified before making RAD tags. First, it is necessary to perform a chloropane extraction (phenol / chloroform 50/50) by adding SDS to the aqueous phase (final conc. 0.1%), this eliminates contaminants introduced by the matrix of the column. Then, perform an ethanol precipitation followed by a wash with 70% ethanol. This is to eliminate the salt that was used to bind the nucleic acids to the column and also to remove EDTA (inhibitor!) which is 0.5 mM in the buffer AE. Eluting with water is nonsense as the pH is not optimal and thus yield is poor and the DNA is not buffered and there is always too much salt. W. Szafer Institute of Botany, Polish Academy of Sciences 1 2020 Tomasz Suchan 2020. Phenol-chloroform DNA purification. protocols.io https://dx.doi.org/10.17504/protocols.io.re6d3he 2021-04-15 09:15:39
Setting $PATH on UA HPC
 
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Bonnie Hurwitz, Ken Youens-Clark DOI:10.17504/protocols.io.jh8cj9w Hurwitz Lab, Metafunc Course 2017 Set up your Unix PATH so you can find important tools on the HPC for the class. University of Arizona, University of Arizona 1 2017 Bonnie Hurwitz, Ken Youens-Clark 2017. Setting $PATH on UA HPC. protocols.io https://dx.doi.org/10.17504/protocols.io.jh8cj9w 2021-04-15 09:15:54
Basal cortisol
 
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Worapaka Manosroi DOI:10.17504/protocols.io.7iphkdn Manosroi W, Phimphilai M, Khorana J, Atthakomol P (2019) Diagnostic performance of basal cortisol level at 0900-1300h in adrenal insufficiency. PLoS ONE 14(11): e0225255. doi: 10.1371/journal.pone.0225255 Faculty of medicine, Chiang Mai University https://doi.org/10.1371/journal.pone.0225255 1 2019 Worapaka Manosroi 2019. Basal cortisol. protocols.io https://dx.doi.org/10.17504/protocols.io.7iphkdn 2021-04-15 09:15:39
Virus and bacteria counts by epifluorescence microscopy with SYBR Green
 
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Anand Patel, Rachel T Noble, Joshua A Steele, Michael S Schwalbach, Ian Hewson, Jed A Fuhrman DOI:10.17504/protocols.io.r2dd8a6 VERVE Net, Fuhrman Lab The protocol provides an inexpensive, rapid (30 min) and reliable technique for obtaining counts of viruses and prokaryotes simultaneously. The method is from:Patel A, Noble RT, Steele JA, Schwalbach MS, Hewson I, Fuhrman JA.Virus and prokaryote enumeration from planktonic aquatic environments by epifluorescence microscopy with SYBR Green I. Nat Protoc. 2007;2(2):269-76.Please see the full manuscript for more details. Fuhrman Lab, Fuhrman Lab, Fuhrman Lab, Fuhrman Lab, Fuhrman Lab, Fuhrman Lab http://www.nature.com/nprot/journal/v2/n2/full/nprot.2007.6.html 2 2018 Anand Patel, Rachel T Noble, Joshua A Steele, Michael S Schwalbach, Ian Hewson, Jed A Fuhrman 2018. Virus and bacteria counts by epifluorescence microscopy with SYBR Green. protocols.io https://dx.doi.org/10.17504/protocols.io.r2dd8a6 2021-04-15 09:15:40
rev-ChIP
 
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Lorane Texari, Carlos Guzman, Sven Heinz DOI:10.17504/protocols.io.vp5e5q6 Understanding the precise regulation of transcriptional programs in human health and disease requires the accurate identification and characterization of genomic regulatory networks. Next-generation sequencing (NGS) technologies are powerful, and widely applied tools to map the in vivo genome-wide location of transcription factors (TFs), histone modifications, chromatin accessibility, and nascent transcription that make up these regulatory networks. While chromatin immunoprecipitation followed by sequencing (ChIP-seq) is one of the oldest, and most-utilized experimental techniques to study the location and abundance of TFs, experiments still frequently require optimization to reproducibly yield good data with high signal-to-noise ratios due to the massive variability between possible antibody-antigen combinations and commercial reagents. .justify:after { content: ""; display:inline-block; width: 100%; } To overcome these obstacles, we systematically carried out well over 500 ChIP-seq experiments designed to test every aspect of typical ChIP-seq experiments and developed rev-ChIP, a novel ChIP-seq method that is optimized for scalability, robustness, low-input, speed, cost efficiency and data quality. We find that rev-ChIP can be scaled to work for cell numbers ranging from millions to under a thousand, and from a single sample to 500 samples a week in a non-automated fashion with minimal hands-on time. Additionally, rev-ChIP has been tested on a variety of sample types ranging from cell lines to sorted primary cells and solid tissues. .justify:after { content: ""; display:inline-block; width: 100%; } University of California, San Diego, University of California, San Diego, University of California, San Diego 1 2018 Lorane Texari, Carlos Guzman, Sven Heinz 2018. rev-ChIP. protocols.io https://dx.doi.org/10.17504/protocols.io.vp5e5q6 2021-04-15 09:15:54
Recombinant expression and purification of codon-optimized M-MLV and Mashup
 
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Maira Rivera, Javiera Reyes, Paula Blazquez-Sanchez, Cesar A Ramirez-Sarmiento Reclone.org (The Reagent Collaboration Network) Institute for Biological and Medical Engineering, Pontificia Universidad Católica de Chile, Institute for Biological and Medical Engineering, Pontificia Universidad Católica de Chile, Institute for Biological and Medical Engineering, Pontificia Universidad Católica de Chile, Institute for Biological and Medical Engineering, Pontificia Universidad Católica de Chile 1 2020 Maira Rivera, Javiera Reyes, Paula Blazquez-Sanchez, Cesar A Ramirez-Sarmiento 2020. Recombinant expression and purification of codon-optimized M-MLV and Mashup. protocols.io https:// 2021-04-15 09:15:40
DISCOVER-Seq: MRE11 ChIP Seq
 
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Beeke Wienert DOI:10.17504/protocols.io.uvuew6w CornLab Genome editing using nucleases such as CRISPR-Cas induces programmable DNA damage at a target genomic site, but can also affect off-target sites. We develop a powerful assay for the unbiased identification of off-target sites that we term DISCOVER-seq. This approach takes advantage of the recruitment of endogenous DNA repair factors for genome-wide identification of Cas-induced double strand breaks. One such factor, MRE11, is recruited so precisely to a double stranded break that nuclease cut sites can be determined with single-base resolution. DISCOVER-seq is applicable to multiple types of Cas nucleases and provides an unprecedented molecular picture of events that precede repair of the affected sites. DISCOVER-seq furthermore detects off-targets in cellular models and tissues. University of California, Berkeley 1 2018 Beeke Wienert 2018. DISCOVER-Seq: MRE11 ChIP Seq. protocols.io https://dx.doi.org/10.17504/protocols.io.uvuew6w 2021-04-15 09:15:40
Drawing ROIs in ITK-Snap
 
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Courtney Comrie DOI:10.17504/protocols.io.8nvhve6 University of Arizona 1 2020 Courtney Comrie 2020. Drawing ROIs in ITK-Snap. protocols.io https://dx.doi.org/10.17504/protocols.io.8nvhve6 2021-04-15 09:15:39
In vitro transcription, capping, and 2'-O methylation of long RNAs
 
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Stephen Floor DOI:10.17504/protocols.io.4pwgvpe Stephen Floor Lab This protocol is for in vitro transcription of long RNAs off plasmid or PCR product templates. It is assumed that the template has been gel purified, is the right size, has a T7 promoter and a 3' polyA tail (typically A60). Following this protocol the RNA will be ready for transfection into mammalian cells or in vitro translation. Significant amounts of template are necessary: at least 1ug of template per 100ul reaction; ideally closer to 5ug of template, especially for very long templates. Use RNase sensitive protocols and reagents for all steps of this procedure. The basic protocol is: - PCR amplification of the template- in vitro transcription- capping and 2'-O-Methylation - quality control and optional purification Based on protocols from Kaihong Zhou (Doudna lab) and RNA: A Laboratory Manual (Rio, Ares, Hannon, Nilsen). University of California, San Francisco 1 2019 Stephen Floor 2019. In vitro transcription, capping, and 2'-O methylation of long RNAs. protocols.io https://dx.doi.org/10.17504/protocols.io.4pwgvpe 2021-04-15 09:15:39
Confocal microscopy and characterization of synaptic boutons associated with ganglion neurons
 
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Janet Keast, Peregrine Osborne DOI:10.17504/protocols.io.bakdics6 SPARC This protocol describes confocal microscopy and image analysis procedures for characterizing neuronal cell bodies and their associated synaptic boutons in thick (50 µm) cryosections. The protocol has been applied to rat pelvic ganglia, where neuronal cell bodies have been identified using immunohistochemical markers of specific neuron populations and/or fluorescent retrograde tracer. University of Melbourne, University of Melbourne 1 2020 Janet Keast, Peregrine Osborne 2020. Confocal microscopy and characterization of synaptic boutons associated with ganglion neurons. protocols.io https://dx.doi.org/10.17504/protocols.io.bakdics6 2021-04-15 09:15:39

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