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Discover sc single cell kit

Manufactured by Vazyme

The Discover-sc Single Cell Kit is a laboratory tool designed for the isolation and processing of single cells. It provides a platform for the preparation of single-cell samples for downstream analysis, such as transcriptome profiling.

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6 protocols using discover sc single cell kit

1

Single-cell DNA extraction and amplification

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The genomic DNA of cells harvested from FACS was extracted using QuickExtract DNA Extraction Solution (Lucigen) according to the manufacturer’s protocols. The genomic DNA of zygotes was amplified using the Discover-sc Single Cell Kit (Vazyme, N601-01) according to the manufacturer’s protocols. The target sequences were amplified and sequenced using the primers listed in Table S3.
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2

Profiling T-cell receptor repertoire

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Individual iT lymphocytes were sorted into PBS using AriaII sorter (BD Biosciences). The single cell genome was amplified by Discover-sc single cell kit according to manufacturer's protocols (N601-02, Vazyme Biotech Co., Ltd). PCR for detecting TCRβ V(D)J rearrangements was performed as described 10 (link),43 (link) using the following primers: Vβ2 (upstream): GGGTCACTGATACGGAGCTG, Vβ4 (upstream): GGACAATCAGACTGCCTCAAGT, Vβ5.1 (upstream): GTCCAACAGTTTGATGACTATCAC, Vβ8 (upstream): GATGACATCATCAGGTTTTGTC, and jβ2 (downstream): TGAGAGCTGTCTCCTACTATCGATT. After 35 cycles of amplification (15 sec at 95°C, 20 sec at 60 °C, 1 min at 72 °C), PCR products were purified and cloned into pMD18-T vector (6011, TaKaRa). To confirm the identities of the PCR products, three clones of each recombinant were sequenced. The specific V(D)J rearrangements were further aligned by Igblast tool (https://www.ncbi.nlm.nih.gov/igblast) 44 (link).
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3

Single-Cell Ig Heavy Chain Profiling

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Semi-nested PCR for detecting Ig heavy chain V(D)J rearrangement was performed as described 18 (link). For single cell analysis, individual cells were sorted into PBS, lysed and subsequently amplified by Discover-sc single cell kit according to manufacturer’s protocols (N601-02, Vazyme Biotech Co., Ltd). Amplification processes were carried out in two rounds: I, containing following 5’primers (VHJ558, 5'-ARGCCTGGGRCTTCAGTGAAG-3'; VHQ52, 5'-GCGAAGCTTCTCACAGAGCCTGTCCATCAC-3'.) and the JH4E primer (5'-AGGCTCTGAGATCCCTAGACAG-3'), 200 ng DNA template, and with a 60 °C annealing/30s extension, and 20 cycle program; II, 0.25 μl first round product was diluted and used as template. Then 35 cycles of amplification were performed with either primer pairs VHJ558 and the nested JH4A (5'-GGGTCTAGACTCTCAGCCGGCTCCCTCAGGG-3'), or primer pairs VHJ558 and the nested JH4A as described 18 (link).
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4

Single-Cell Transcriptome Amplification

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The collected embryos and blastomeres were amplified using Discover-sc Single Cell Kit (Vazyme, N601-01). The product was diluted 100-fold before it was used as the template to amplify the target sites.
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5

Genetic Editing of Human Embryos

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The immature oocytes were cultured in maturation medium (Cooper Surgical/SAGE, Trumbull, CT, USA) supplemented with 75 mIU/mL follicle-stimulating hormone (FSH) and luteinizing hormone (LH). The mature oocytes fertilized with the MFS patient’s sperm using ICSI. 16–18 hr later, the fertilization was confirmed by formation of two pronuclei. The concentrations of BE3 mRNA and sgRNA were adjusted to 100 and 50 ng/μL as previously reported.17 (link) Microinjection was performed using an inverted microscope equipped with a microinjector and micromanipulators. The corrected embryos will be cultured for 2 days using standard procedures. Then these embryos were digested using acidic Tyrode’s solution (Solarbio, Beijing, China). The collected embryos were amplified using Discover-sc Single Cell Kit (N601-01; Vazyme) to obtain enough DNA for genotype identification.
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6

Single-Cell Whole Genome Amplification

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Single cells or single spheres were sucked up by a micro-pipette. Whole genome amplification (WGA) was performed to these cells using the Discover-sc Single Cell Kit (Vazyme, Cat. N601-01) according to the manufacturer’s manual, and a reaction of human tissue genomic DNA was marked as a positive control. The amplified DNA products were then stored at − 20 °C.
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