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.
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Neuron
2022 Jan 12
Yu, H;Miao, W;Ji, E;Huang, S;Jin, S;Zhu, X;Liu, MZ;Sun, YG;Xu, F;Yu, X;
PMID: 35045339 | DOI: 10.1016/j.neuron.2021.12.022
It is well known that affective and pleasant touch promotes individual well-being and facilitates affiliative social communication, although the neural circuit that mediates this process is largely unknown. Here, we show that social-touch-like tactile stimulation (ST) enhances firing of oxytocin neurons in the mouse paraventricular hypothalamus (PVH) and promotes social interactions and positively reinforcing place preference. These results link pleasant somatosensory stimulation to increased social interactions and positive affective valence. We further show that tachykinin 1 (Tac1+) neurons in the lateral and ventrolateral periaqueductal gray (l/vlPAG) send monosynaptic excitatory projections to PVH oxytocin neurons. Functionally, activation of PVH-projecting Tac1+ neurons increases firing of oxytocin neurons, promotes social interactions, and increases preference for the social touch context, whereas reducing activity of Tac1+ neurons abolishes ST-induced oxytocin neuronal firing. Together, these results identify a dipeptidergic pathway from l/vlPAG Tac1+ neurons to PVH oxytocin neurons, through which pleasant sensory experience promotes social behavior.
Neuron
2022 Jan 13
Joffe, ME;Maksymetz, J;Luschinger, JR;Dogra, S;Ferranti, AS;Luessen, DJ;Gallinger, IM;Xiang, Z;Branthwaite, H;Melugin, PR;Williford, KM;Centanni, SW;Shields, BC;Lindsley, CW;Calipari, ES;Siciliano, CA;Niswender, CM;Tadross, MR;Winder, DG;Conn, PJ;
PMID: 35045338 | DOI: 10.1016/j.neuron.2021.12.027
Inhibitory interneurons orchestrate prefrontal cortex (PFC) activity, but we have a limited understanding of the molecular and experience-dependent mechanisms that regulate synaptic plasticity across PFC microcircuits. We discovered that mGlu5 receptor activation facilitates long-term potentiation at synapses from the basolateral amygdala (BLA) onto somatostatin-expressing interneurons (SST-INs) in mice. This plasticity appeared to be recruited during acute restraint stress, which induced intracellular calcium mobilization within SST-INs and rapidly potentiated postsynaptic strength onto SST-INs. Restraint stress and mGlu5 receptor activation each augmented BLA recruitment of SST-IN phasic feedforward inhibition, shunting information from other excitatory inputs, including the mediodorsal thalamus. Finally, studies using cell-type-specific mGlu5 receptor knockout mice revealed that mGlu5 receptor function in SST-expressing cells is necessary for restraint stress-induced changes to PFC physiology and related behaviors. These findings provide new insights into interneuron-specific synaptic plasticity mechanisms and suggest that SST-IN microcircuits may be promising targets for treating stress-induced psychiatric diseases.
Nature communications
2022 Jan 24
Magaletta, ME;Lobo, M;Kernfeld, EM;Aliee, H;Huey, JD;Parsons, TJ;Theis, FJ;Maehr, R;
PMID: 35075189 | DOI: 10.1038/s41467-022-28067-4
Maldevelopment of the pharyngeal endoderm, an embryonic tissue critical for patterning of the pharyngeal region and ensuing organogenesis, ultimately contributes to several classes of human developmental syndromes and disorders. Such syndromes are characterized by a spectrum of phenotypes that currently cannot be fully explained by known mutations or genetic variants due to gaps in characterization of critical drivers of normal and dysfunctional development. Despite the disease-relevance of pharyngeal endoderm, we still lack a comprehensive and integrative view of the molecular basis and gene regulatory networks driving pharyngeal endoderm development. To close this gap, we apply transcriptomic and chromatin accessibility single-cell sequencing technologies to generate a multi-omic developmental resource spanning pharyngeal endoderm patterning to the emergence of organ-specific epithelia in the developing mouse embryo. We identify cell-type specific gene regulation, distill GRN models that define developing organ domains, and characterize the role of an immunodeficiency-associated forkhead box transcription factor.
eLife
2022 Jan 20
Lee, JY;Wing, PA;Gala, DS;Noerenberg, M;Järvelin, AI;Titlow, J;Zhuang, X;Palmalux, N;Iselin, L;Thompson, MK;Parton, RM;Prange-Barczynska, M;Wainman, A;Salguero, FJ;Bishop, T;Agranoff, D;James, W;Castello, A;McKeating, JA;Davis, I;
PMID: 35049501 | DOI: 10.7554/eLife.74153
Despite an unprecedented global research effort on SARS-CoV-2, early replication events remain poorly understood. Given the clinical importance of emergent viral variants with increased transmission, there is an urgent need to understand the early stages of viral replication and transcription. We used single-molecule fluorescence in situ hybridisation (smFISH) to quantify positive sense RNA genomes with 95% detection efficiency, while simultaneously visualising negative sense genomes, subgenomic RNAs, and viral proteins. Our absolute quantification of viral RNAs and replication factories revealed that SARS-CoV-2 genomic RNA is long-lived after entry, suggesting that it avoids degradation by cellular nucleases. Moreover, we observed that SARS-CoV-2 replication is highly variable between cells, with only a small cell population displaying high burden of viral RNA. Unexpectedly, the B.1.1.7 variant, first identified in the UK, exhibits significantly slower replication kinetics than the Victoria strain, suggesting a novel mechanism contributing to its higher transmissibility with important clinical implications.
Head & neck
2022 Jan 18
Wu, SS;Chen, B;Fleming, CW;Shah, AA;Griffith, CC;Domb, C;Reddy, CA;Campbell, SR;Woody, NM;Lamarre, ED;Lorenz, RR;Prendes, BL;Scharpf, J;Schwartzman, L;Geiger, JL;Koyfman, SA;Ku, JA;
PMID: 35040516 | DOI: 10.1002/hed.26976
The prognostication of Epstein-Barr virus (EBV) and human papillomavirus (HPV) status in nasopharyngeal cancer (NPC) is unclear.This retrospective study analyzed NPC from 2000 to 2019.Seventy-eight patients were included: 43 EBV+ , 12 HPV+ , 23 EBV- /HPV- , and 0 EBV+ /HPV+ . All p16+ tumors were also positive for HPV-CISH. Baseline characteristics were not different between groups except age, N-classification, and Karnofsky Performance Scale (KPS) (p < 0.05). For EBV+ , HPV+ , and EBV- /HPV- respectively, 3-year overall survival (OS) was 89.9%, 69.8%, and 52.5% (p = 0.006). EBV- /HPV- status was significantly associated with worse OS but not freedom from progression (FFP) on univariate analysis, and did not remain a significant predictor of OS after adjusting for KPS, age, and group stage.EBV+ NPC tumors were seen in younger, healthier patients than HPV+ and EBV- tumors, and there were no cases of coinfection. The association of viral status with OS was insignificant after adjusting for KPS and age.
Ecology and evolution
2021 Jun 01
Xiao, C;Li, J;Xie, T;Chen, J;Zhang, S;Elaksher, SH;Jiang, F;Jiang, Y;Zhang, L;Zhang, W;Xiang, Y;Wu, Z;Zhao, S;Du, X;
PMID: 34188851 | DOI: 10.1002/ece3.7611
The mammalian Y chromosome offers a unique perspective on the male reproduction and paternal evolutionary histories. However, further understanding of the Y chromosome biology for most mammals is hindered by the lack of a Y chromosome assembly. This study presents an integrated in silico strategy for identifying and assembling the goat Y-linked scaffolds using existing data. A total of 11.5 Mb Y-linked sequences were clustered into 33 scaffolds, and 187 protein-coding genes were annotated. We also identified high abundance of repetitive elements. A 5.84 Mb subset was further ordered into an assembly with the evidence from the goat radiation hybrid map (RH map). The existing whole-genome resequencing data of 96 goats (worldwide distribution) were utilized to exploit the paternal relationships among bezoars and domestic goats. Goat paternal lineages were clearly divided into two clades (Y1 and Y2), predating the goat domestication. Demographic history analyses indicated that maternal lineages experienced a bottleneck effect around 2,000 YBP (years before present), after which goats belonging to the A haplogroup spread worldwide from the Near East. As opposed to this, paternal lineages experienced a population decline around the 10,000 YBP. The evidence from the Y chromosome suggests that male goats were not affected by the A haplogroup worldwide transmission, which implies sexually unbalanced contribution to the goat trade and population expansion in post-Neolithic period.
Proceedings of the National Academy of Sciences of the United States of America
2021 Nov 23
Busslinger, GA;de Barbanson, B;Oka, R;Weusten, BLA;de Maat, M;van Hillegersberg, R;Brosens, LAA;van Boxtel, R;van Oudenaarden, A;Clevers, H;
PMID: 34795059 | DOI: 10.1073/pnas.2113061118
Barrett's esophagus (BE) is categorized, based on morphological appearance, into different stages, which correlate with the risk of developing esophageal adenocarcinoma. More advanced stages are more likely to acquire chromosomal instabilities, but stage-specific markers remain elusive. Here, we performed single-cell DNA-sequencing experiments (scDNAseq) with fresh BE biopsies. Dysplastic BE cells frequently contained chromosomal instability (CIN) regions, and these CIN cells carried mutations corresponding to the COSMIC mutational signature SBS17, which were not present in biopsy-matched chromosomally stable (CS) cells or patient-matched nondiseased control cells. CS cells were predominantly found in nondysplastic BE biopsies. The single-base substitution (SBS) signatures of all CS BE cells analyzed were indistinguishable from those of nondiseased esophageal or gastric cells. Single-cell RNA-sequencing (scRNAseq) experiments with BE biopsies identified two sets of marker genes which facilitate the distinction between columnar BE epithelium and nondysplastic/dysplastic stages. Moreover, histological validation confirmed a correlation between increased CLDN2 expression and the presence of dysplastic BE stages. Our scDNAseq and scRNAseq datasets, which are a useful resource for the community, provide insight into the mutational landscape and gene expression pattern at different stages of BE development.
eLife
2021 Oct 22
Gustafsson, JK;Davis, JE;Rappai, T;McDonald, KG;Kulkarni, DH;Knoop, KA;Hogan, SP;Fitzpatrick, JA;Lencer, WI;Newberry, RD;
PMID: 34677124 | DOI: 10.7554/eLife.67292
Intestinal goblet cells maintain the protective epithelial barrier through mucus secretion and yet sample lumenal substances for immune processing through formation of goblet cell associated antigen passages (GAPs). The cellular biology of GAPs and how these divergent processes are balanced and regulated by goblet cells remains unknown. Using high-resolution light and electron microscopy, we found that in mice, GAPs were formed by an acetylcholine (ACh)-dependent endocytic event remarkable for delivery of fluid-phase cargo retrograde into the trans-golgi network and across the cell by transcytosis - in addition to the expected transport of fluid-phase cargo by endosomes to multi-vesicular bodies and lysosomes. While ACh also induced goblet cells to secrete mucins, ACh-induced GAP formation and mucin secretion were functionally independent and mediated by different receptors and signaling pathways, enabling goblet cells to differentially regulate these processes to accommodate the dynamically changing demands of the mucosal environment for barrier maintenance and sampling of lumenal substances.
iScience
2021 Nov 19
Luu, R;Valdebenito, S;Scemes, E;Cibelli, A;Spray, D;Rovegno, M;Tichauer, J;Cottignies-Calamarte, A;Rosenberg, A;Capron, C;Belouzard, S;Dubuisson, J;Annane, D;Lorin de la Grandmaison, G;Cramer-Bordé, E;Bomsel, M;Eugenin, E;
PMID: 34841222 | DOI: 10.1016/j.isci.2021.103478
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) rapidly rampaged worldwide, causing a pandemic of coronavirus disease (COVID -19), but the biology of SARS-CoV-2 is under investigation. We demonstrate that both SARS-CoV-2 spike protein and human coronavirus 229E (hCoV-229E) or its purified S protein, one of the main viruses responsible for the common cold, induce the transient opening of Pannexin-1 (Panx-1) channels in human lung epithelial cells. However, the Panx-1 channel opening induced by SARS-CoV-2 is greater and more prolonged than hCoV-229E/S protein, resulting in ATP, PGE2, and IL-1β release. Analysis of lung lavage and tissues indicate that Panx-1 mRNA expression is associated with increased ATP, PGE2, and IL-1β levels. Panx-1 channel opening induced by SARS-CoV-2 spike protein is angiotensin-converting enzyme 2 (ACE-2), endocytosis, and furin dependent. Overall, we demonstrated that Panx-1 is a critical contributor to SARS-CoV-2 infection and should be considered an alternative therapy.
iScience
2021 Nov 19
Savulescu, AF;Bouilhol, E;Beaume, N;Nikolski, M;
PMID: 34765919 | DOI: 10.1016/j.isci.2021.103298
RNA subcellular localization has recently emerged as a widespread phenomenon, which may apply to the majority of RNAs. The two main sources of data for characterization of RNA localization are sequence features and microscopy images, such as obtained from single-molecule fluorescent in situ hybridization-based techniques. Although such imaging data are ideal for characterization of RNA distribution, these techniques remain costly, time-consuming, and technically challenging. Given these limitations, imaging data exist only for a limited number of RNAs. We argue that the field of RNA localization would greatly benefit from complementary techniques able to characterize location of RNA. Here we discuss the importance of RNA localization and the current methodology in the field, followed by an introduction on prediction of location of molecules. We then suggest a machine learning approach based on the integration between imaging localization data and sequence-based data to assist in characterization of RNA localization on a transcriptome level.
Research square
2021 Nov 24
Gajewski, T;Rouhani, S;Trujillo, J;Pyzer, A;Yu, J;Fessler, J;Cabanov, A;Higgs, E;Cron, K;Zha, Y;Lu, Y;Bloodworth, J;Abasiyanik, M;Okrah, S;Flood, B;Hatogai, K;Leung, M;Pezeshk, A;Kozloff, L;Reschke, R;Strohbehn, G;Chervin, CS;Kumar, M;Schrantz, S;Madariaga, ML;Beavis, K;Yeo, KT;Sweis, R;Segal, J;Tay, S;Izumchenko, E;Mueller, J;Chen, L;
PMID: 34845442 | DOI: 10.21203/rs.3.rs-1083825/v1
The mechanisms explaining progression to severe COVID-19 remain poorly understood. It has been proposed that immune system dysregulation/over-stimulation may be implicated, but it is not clear how such processes would lead to respiratory failure. We performed comprehensive multiparameter immune monitoring in a tightly controlled cohort of 128 COVID-19 patients, and used the ratio of oxygen saturation to fraction of inspired oxygen (SpO2 / FiO2) as a physiologic measure of disease severity. Machine learning algorithms integrating 139 parameters identified IL-6 and CCL2 as two factors predictive of severe disease, consistent with the therapeutic benefit observed with anti-IL6-R antibody treatment. However, transcripts encoding these cytokines were not detected among circulating immune cells. Rather, in situ analysis of lung specimens using RNAscope and immunofluorescent staining revealed that elevated IL-6 and CCL2 were dominantly produced by infected lung type II pneumocytes. Severe disease was not associated with higher viral load, deficient antibody responses, or dysfunctional T cell responses. These results refine our understanding of severe COVID-19 pathophysiology, indicating that aberrant cytokine production by infected lung epithelial cells is a major driver of immunopathology. We propose that these factors cause local immune regulation towards the benefit of the virus.
Nature communications
2021 Sep 29
Russ, DE;Cross, RBP;Li, L;Koch, SC;Matson, KJE;Yadav, A;Alkaslasi, MR;Lee, DI;Le Pichon, CE;Menon, V;Levine, AJ;
PMID: 34588430 | DOI: 10.1038/s41467-021-25125-1
Single-cell RNA sequencing data can unveil the molecular diversity of cell types. Cell type atlases of the mouse spinal cord have been published in recent years but have not been integrated together. Here, we generate an atlas of spinal cell types based on single-cell transcriptomic data, unifying the available datasets into a common reference framework. We report a hierarchical structure of postnatal cell type relationships, with location providing the highest level of organization, then neurotransmitter status, family, and finally, dozens of refined populations. We validate a combinatorial marker code for each neuronal cell type and map their spatial distributions in the adult spinal cord. We also show complex lineage relationships among postnatal cell types. Additionally, we develop an open-source cell type classifier, SeqSeek, to facilitate the standardization of cell type identification. This work provides an integrated view of spinal cell types, their gene expression signatures, and their molecular organization.
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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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