Probes for INS
ACD can configure probes for the various manual and automated assays for INS for RNAscope Assay, or for Basescope Assay compatible for your species of interest.
- Probes for INS (4638)
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Development (Cambridge, England)
2023 May 01
Mestres, I;Calegari, F;
PMID: 37070770 | DOI: 10.1242/dev.201574
Communication between the nervous and immune system is crucial for development, homeostasis and response to injury. Before the onset of neurogenesis, microglia populate the central nervous system, serving as resident immune cells over the course of life. Here, we describe new roles of an uncharacterized transcript upregulated by neurogenic progenitors during mouse corticogenesis: 4931414P19Rik (hereafter named P19). Overexpression of P19 cell-extrinsically inhibited neuronal migration and acted as chemoattractant of microglial cells. Interestingly, effects on neuronal migration were found to result directly from P19 secretion by neural progenitors triggering microglia accumulation within the P19 targeted area. Our findings highlight the crucial role of microglia during brain development and identify P19 as a previously unreported player in the neuro-immune crosstalk.
Vectorology for Optogenetics and Chemogenetics
2023 Feb 07
Heffernan, K;Smith, Y;Galvan, A;
| DOI: 10.1007/978-1-0716-2918-5_15
The accurate localization of transgene expression after viral vector delivery is essential to the interpretation of experiments based on genetic-based approaches, such as chemo- or optogenetics. Postmortem histological analysis can be used to examine the injection target, the extent of the virus transduction, the types of cells expressing the transgene, and the subcellular localization of the protein. In this chapter, we will provide a general description of methods to identify transgene expression, immunocytochemistry protocols, and examples of specific protocols. We close the chapter with an example of an application of electron microscopy to identify the localization of transgene expression.
Cell
2023 Jan 19
Zhu, Y;Hart, GW;
PMID: 36626902 | DOI: 10.1016/j.cell.2022.12.016
O-GlcNAc is a dynamic post-translational modification (PTM) that regulates protein functions. In studying the regulatory roles of O-GlcNAc, a major roadblock is the inability to change O-GlcNAcylation on a single protein at a time. Herein, we developed a dual RNA-aptamer-based approach that simultaneously targeted O-GlcNAc transferase (OGT) and β-catenin, the key transcription factor of the Wnt signaling pathway, to selectively increase O-GlcNAcylation of the latter without affecting other OGT substrates. Using the OGT/β-catenin dual-specificity aptamers, we found that O-GlcNAcylation of β-catenin stabilizes the protein by inhibiting its interaction with β-TrCP. O-GlcNAc also increases β-catenin's interaction with EZH2, recruits EZH2 to promoters, and dramatically alters the transcriptome. Further, by coupling riboswitches or an inducible expression system to aptamers, we enabled inducible regulation of protein-specific O-GlcNAcylation. Together, our findings demonstrate the efficacy and versatility of dual-specificity aptamers for regulating O-GlcNAcylation on individual proteins.
Neural Regeneration Research
2022 Dec 14
Kang, H;Liu, Y;Li, Y;Wang, L;Zhao, Y;Yuan, R;Yang, M;Chen, Y;Zhang, H;Zhou, F;Qian, Z;
| DOI: 10.4103/1673-5374.363819
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Research square
2023 Jan 20
Leong, K;Lao, YH;Ji, R;Zhou, J;Snow, K;Kwon, N;Saville, E;He, S;Chauhan, S;Chi, CW;Datta, M;Zhang, H;Quek, CH;Cai, S;Li, M;Gaitan, Y;Bechtel, L;Wu, SY;Lutz, C;Tomer, R;Murray, S;Chavez, A;Konofagou, E;
PMID: 36712096 | DOI: 10.21203/rs.3.rs-2365576/v1
Gene editing in the mammalian brain has been challenging because of the restricted transport imposed by the blood-brain barrier (BBB). Current approaches rely on local injection to bypass the BBB. However, such administration is highly invasive and not amenable to treating certain delicate regions of the brain. We demonstrate a safe and effective gene editing technique by using focused ultrasound (FUS) to transiently open the BBB for the transport of intravenously delivered CRISPR/Cas9 machinery to the brain.
Cell reports
2022 Dec 13
Huang, XT;Li, T;Li, T;Xing, S;Tian, JZ;Ding, YF;Cai, SL;Yang, YS;Wood, C;Yang, JS;Yang, WJ;
PMID: 36516755 | DOI: 10.1016/j.celrep.2022.111796
Intestinal epithelial replenishment is fueled by continuously dividing intestinal stem cells (ISCs) resident at the crypt niche. However, the cell type(s) enabling replenishment upon damage and subsequent loss of whole crypts remain largely unclear. Using Set domain-containing protein 4 (Setd4), we identify a small population with reserve stem cell characteristics in the mouse intestine. Upon irradiation-induced injury, Setd4-expressing (Setd4+) cells survive radiation exposure and then activate to produce Sca-1-expressing cell types to restore the epithelial wall and regenerate crypts de novo via crypt fission. Setd4+ cells are confirmed to originate from the early fetal period, subsequently contributing to the development of embryonic gut and the establishment of postnatal crypts. Setd4+ cells are therefore represented as both originators and key regenerators of the intestine.
Communications biology
2022 Oct 20
Healy, LM;Zia, S;Plemel, JR;
PMID: 36266565 | DOI: 10.1038/s42003-022-04081-6
High dimensional single-cell analysis such as single cell and single nucleus RNA sequencing (sc/snRNAseq) are currently being widely applied to explore microglia diversity. The use of sc/snRNAseq provides a powerful and unbiased approach to deconvolve heterogeneous cellular populations. However, sc/snRNAseq and analyses pipelines are designed to find heterogeneity. Indeed, cellular heterogeneity is often the most frequently reported finding. In this Perspective, we consider the ubiquitous concept of heterogeneity focusing on its application to microglia research and its influence on the field of neuroimmunology. We suggest that a clear understanding of the semantic and biological implications of microglia heterogeneity is essential for mitigating confusion among researchers.
Qeios
2022 Aug 02
Sweet, A; Andre, N; Licitra BN; Whittaker, B
| DOI: 10.32388/bv6713
The authors made a thorough study on the comparison of the gold standard method, IHC with a newly established RNAscope ISH method. The manuscript is clear, well-written, and uses appropriate English language. It starts with a clear introduction and review of current knowledge on FCoV/FIP, then goes into details on the key diagnostic methods we can use currently. The authors proved, that RNAscope ISH is sensitive and specific, more sensitive than the IHC method - therefore it can be used better in clinical and research settings as well. Images seem to be free of manipulation, and they explain clearly the difference between IHC and ISH.
Virology journal
2022 Jun 25
Yang, Y;Wei, Z;Xiong, C;Qian, H;
PMID: 35752810 | DOI: 10.1186/s12985-022-01833-y
Myocardial injury induced by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is reportedly related to disease severity and mortality, attracting attention to exploring relevant pathogenic mechanisms. Limited by insufficient evidence, myocardial injury caused by direct viral invasion of cardiomyocytes (CMs) is not fully understood. Based on recent studies, endosomal dependence can compensate for S protein priming to mediate SARS-CoV-2 infection of CMs, damage the contractile function of CMs, trigger electrical dysfunction, and tip the balance of the renin-angiotensin-aldosterone system to exert a myocardial injury effect. In this review, we shed light on the direct injury caused by SARS-CoV-2 to provide a comprehensive understanding of the cardiac manifestations of coronavirus disease 2019 (COVID-19).
STAR protocols
2022 Jun 17
Bravo-Ferrer, I;Khakh, BS;Díaz-Castro, B;
PMID: 35620074 | DOI: 10.1016/j.xpro.2022.101397
Cell-specific RNA sequencing has revolutionized the study of cell biology. Here, we present a protocol to assess cell-specific translatomes of genetically targeted cell types. We focus on astrocytes and describe RNA purification using RiboTag tools. Unlike single-cell RNA sequencing, this approach allows high sequencing depth to detect low expression genes, and the exploration of RNAs translated in subcellular compartments. Furthermore, it avoids underestimation of transcripts from cells susceptible to cell isolation procedures. The protocol can be applied to a variety of cell types. For complete details on the use and execution of this protocol, please refer to Chai et al. (2017), Díaz-Castro et al. (2021), Díaz-Castro et al. (2019), Srinivasan et al. (2016), and Yu et al. (2018).
Biochemistry (Moscow)
2022 Mar 01
Erofeeva, T;Grigorenko, A;Gusev, F;Kosevich, I;Rogaev, E;
| DOI: 10.1134/S0006297922030075
A unique set of features and characteristics of species of the Cnidaria phylum is the one reason that makes them a model for a various studies. The plasticity of a life cycle and the processes of cell differentiation and development of an integral multicellular organism associated with it are of a specific scientific interest. A new stage of development of molecular genetic methods, including methods for high-throughput genome, transcriptome, and epigenome sequencing, both at the level of the whole organism and at the level of individual cells, makes it possible to obtain a detailed picture of the development of these animals. This review examines some modern approaches and advances in the reconstruction of the processes of ontogenesis of cnidarians by studying the regulatory signal transduction pathways and their interactions.
Immunological reviews
2021 Dec 05
Onder, L;Cheng, HW;Ludewig, B;
PMID: 34866192 | DOI: 10.1111/imr.13051
Fibroblastic reticular cells (FRCs) are specialized stromal cells of lymphoid organs that generate the structural foundation of the tissue and actively interact with immune cells. Distinct FRC subsets position lymphocytes and myeloid cells in specialized niches where they present processed or native antigen and provide essential growth factors and cytokines for immune cell activation and differentiation. Niche-specific functions of FRC subpopulations have been defined using genetic targeting, high-dimensional transcriptomic analyses, and advanced imaging methods. Here, we review recent findings on FRC-immune cell interaction and the elaboration of FRC development and differentiation. We discuss how imaging approaches have not only shaped our understanding of FRC biology, but have critically advanced the niche concept of immune cell maintenance and control of immune reactivity.
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| Description | ||
|---|---|---|
| sense Example: Hs-LAG3-sense | Standard probes for RNA detection are in antisense. Sense probe is reverse complent to the corresponding antisense probe. | |
| Intron# Example: Mm-Htt-intron2 | Probe targets the indicated intron in the target gene, commonly used for pre-mRNA detection | |
| Pool/Pan Example: Hs-CD3-pool (Hs-CD3D, Hs-CD3E, Hs-CD3G) | A mixture of multiple probe sets targeting multiple genes or transcripts | |
| No-XSp Example: Hs-PDGFB-No-XMm | Does not cross detect with the species (Sp) | |
| XSp Example: Rn-Pde9a-XMm | designed to cross detect with the species (Sp) | |
| O# Example: Mm-Islr-O1 | Alternative design targeting different regions of the same transcript or isoforms | |
| CDS Example: Hs-SLC31A-CDS | Probe targets the protein-coding sequence only | |
| EnEm | Probe targets exons n and m | |
| En-Em | Probe targets region from exon n to exon m | |
| Retired Nomenclature | ||
| tvn Example: Hs-LEPR-tv1 | Designed to target transcript variant n | |
| ORF Example: Hs-ACVRL1-ORF | Probe targets open reading frame | |
| UTR Example: Hs-HTT-UTR-C3 | Probe targets the untranslated region (non-protein-coding region) only | |
| 5UTR Example: Hs-GNRHR-5UTR | Probe targets the 5' untranslated region only | |
| 3UTR Example: Rn-Npy1r-3UTR | Probe targets the 3' untranslated region only | |
| Pan Example: Pool | A mixture of multiple probe sets targeting multiple genes or transcripts | |
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