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mgi dnbelab c taim4  (Complete Genomics Inc)


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    Complete Genomics Inc mgi dnbelab c taim4
    Semaglutide exerts limited neuroprotective effects in Day 80 forebrain organoids. A–B, Morphological evaluation of late‐stage forebrain organoids. Organoids were treated for 15 days (from Day 65 to Day 80) and analyzed on Day 80. A, Representative bright‐field images. Scale bar, 1 mm. B, Quantification of organoid area on Day 80. n = 11 organoids per group. C–E, Western blot analysis of AD‐associated pathological proteins. Representative bands show the expression of APP (≈ 110 kDa), p‐tau217 (≈ 55 kDa), and total tau (≈ 55 kDa), with β‐actin (42 kDa) as a loading control. D–E, Quantitative analysis of (D) relative APP levels and (E) p‐tau217/tau ratio. n = 4 independent experiments. F–H, Representative immunofluorescence images of MAP2 (green) and DAPI (blue) in Day 80 organoids. Middle panels show the MAP2 channel only, and lower panels show high‐magnification views of the boxed regions. Scale bar, 50 µm. G, Quantification of the ratio of MAP2‐positive area to DAPI‐positive area. n = 6 independent experiments. H, Quantification of MAP2 + fragmented branch density, calculated as the number of MAP2 + fragmented branches normalized to MAP2 + area. n = 6 independent experiments. I–M, Calcium imaging analysis of neuronal network activity in Day 80 organoids. I, Schematic of calcium imaging workflow and representative Fluo‐4 AM raw data. Scale bar, 50 µm. J, Representative heatmaps showing calcium transients (ΔF/F 0 ) in individual ROIs ( n = 40 cells per organoid) over a 5‐minute recording period. K–M, Quantitative analysis of (K) spontaneous calcium firing frequency (events/cell), (L) synchronization <t>index</t> quantified by the mean Pearson correlation coefficient of Δ F / F 0 traces across all cell pairs within each organoid, and (M) percentage of active versus inactive cells. n = 120 ROIs from n = 3 organoids across three independent differentiations. Statistical comparisons were performed based on the biological replicates ( n = 3) rather than technical ROIs. All data are presented as mean ± standard error of the mean. Statistical significance was determined using one‐way analysis of variance. ns, not significant. * P < 0.05, ** P < 0.01, *** P < 0.001, **** P < 0.0001. AD, Alzheimer's disease; APP, amyloid precursor protein; CHOL, cholesterol treatment; CHOL+SEMA, cholesterol + semaglutide treatment; CTR, control group; DAPI, 4′,6‐diamidino‐2‐phenylindole; MAP2, microtubule associated protein 2; p‐tau, phosphorylated tau; ROI, region of interest.
    Mgi Dnbelab C Taim4, supplied by Complete Genomics Inc, used in various techniques. Bioz Stars score: 99/100, based on 2100 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
    https://www.bioz.com/product/c-900/DNBSEQ-T7/pmc13619743-54-12-12
    Average 99 stars, based on 2100 article reviews
    mgi dnbelab c taim4 - by Bioz Stars, 2026-10
    99/100 stars

    Images

    1) Product Images from "GLP‐1R agonist semaglutide protects human forebrain organoids from cholesterol‐induced neurotoxicity"

    Article Title: GLP‐1R agonist semaglutide protects human forebrain organoids from cholesterol‐induced neurotoxicity

    Journal: Alzheimer's & Dementia

    doi: 10.1002/alz.71888

    Semaglutide exerts limited neuroprotective effects in Day 80 forebrain organoids. A–B, Morphological evaluation of late‐stage forebrain organoids. Organoids were treated for 15 days (from Day 65 to Day 80) and analyzed on Day 80. A, Representative bright‐field images. Scale bar, 1 mm. B, Quantification of organoid area on Day 80. n = 11 organoids per group. C–E, Western blot analysis of AD‐associated pathological proteins. Representative bands show the expression of APP (≈ 110 kDa), p‐tau217 (≈ 55 kDa), and total tau (≈ 55 kDa), with β‐actin (42 kDa) as a loading control. D–E, Quantitative analysis of (D) relative APP levels and (E) p‐tau217/tau ratio. n = 4 independent experiments. F–H, Representative immunofluorescence images of MAP2 (green) and DAPI (blue) in Day 80 organoids. Middle panels show the MAP2 channel only, and lower panels show high‐magnification views of the boxed regions. Scale bar, 50 µm. G, Quantification of the ratio of MAP2‐positive area to DAPI‐positive area. n = 6 independent experiments. H, Quantification of MAP2 + fragmented branch density, calculated as the number of MAP2 + fragmented branches normalized to MAP2 + area. n = 6 independent experiments. I–M, Calcium imaging analysis of neuronal network activity in Day 80 organoids. I, Schematic of calcium imaging workflow and representative Fluo‐4 AM raw data. Scale bar, 50 µm. J, Representative heatmaps showing calcium transients (ΔF/F 0 ) in individual ROIs ( n = 40 cells per organoid) over a 5‐minute recording period. K–M, Quantitative analysis of (K) spontaneous calcium firing frequency (events/cell), (L) synchronization index quantified by the mean Pearson correlation coefficient of Δ F / F 0 traces across all cell pairs within each organoid, and (M) percentage of active versus inactive cells. n = 120 ROIs from n = 3 organoids across three independent differentiations. Statistical comparisons were performed based on the biological replicates ( n = 3) rather than technical ROIs. All data are presented as mean ± standard error of the mean. Statistical significance was determined using one‐way analysis of variance. ns, not significant. * P < 0.05, ** P < 0.01, *** P < 0.001, **** P < 0.0001. AD, Alzheimer's disease; APP, amyloid precursor protein; CHOL, cholesterol treatment; CHOL+SEMA, cholesterol + semaglutide treatment; CTR, control group; DAPI, 4′,6‐diamidino‐2‐phenylindole; MAP2, microtubule associated protein 2; p‐tau, phosphorylated tau; ROI, region of interest.
    Figure Legend Snippet: Semaglutide exerts limited neuroprotective effects in Day 80 forebrain organoids. A–B, Morphological evaluation of late‐stage forebrain organoids. Organoids were treated for 15 days (from Day 65 to Day 80) and analyzed on Day 80. A, Representative bright‐field images. Scale bar, 1 mm. B, Quantification of organoid area on Day 80. n = 11 organoids per group. C–E, Western blot analysis of AD‐associated pathological proteins. Representative bands show the expression of APP (≈ 110 kDa), p‐tau217 (≈ 55 kDa), and total tau (≈ 55 kDa), with β‐actin (42 kDa) as a loading control. D–E, Quantitative analysis of (D) relative APP levels and (E) p‐tau217/tau ratio. n = 4 independent experiments. F–H, Representative immunofluorescence images of MAP2 (green) and DAPI (blue) in Day 80 organoids. Middle panels show the MAP2 channel only, and lower panels show high‐magnification views of the boxed regions. Scale bar, 50 µm. G, Quantification of the ratio of MAP2‐positive area to DAPI‐positive area. n = 6 independent experiments. H, Quantification of MAP2 + fragmented branch density, calculated as the number of MAP2 + fragmented branches normalized to MAP2 + area. n = 6 independent experiments. I–M, Calcium imaging analysis of neuronal network activity in Day 80 organoids. I, Schematic of calcium imaging workflow and representative Fluo‐4 AM raw data. Scale bar, 50 µm. J, Representative heatmaps showing calcium transients (ΔF/F 0 ) in individual ROIs ( n = 40 cells per organoid) over a 5‐minute recording period. K–M, Quantitative analysis of (K) spontaneous calcium firing frequency (events/cell), (L) synchronization index quantified by the mean Pearson correlation coefficient of Δ F / F 0 traces across all cell pairs within each organoid, and (M) percentage of active versus inactive cells. n = 120 ROIs from n = 3 organoids across three independent differentiations. Statistical comparisons were performed based on the biological replicates ( n = 3) rather than technical ROIs. All data are presented as mean ± standard error of the mean. Statistical significance was determined using one‐way analysis of variance. ns, not significant. * P < 0.05, ** P < 0.01, *** P < 0.001, **** P < 0.0001. AD, Alzheimer's disease; APP, amyloid precursor protein; CHOL, cholesterol treatment; CHOL+SEMA, cholesterol + semaglutide treatment; CTR, control group; DAPI, 4′,6‐diamidino‐2‐phenylindole; MAP2, microtubule associated protein 2; p‐tau, phosphorylated tau; ROI, region of interest.

    Techniques Used: Organoids, Western Blot, Analysis, Expressing, Control, Immunofluorescence, Imaging, Activity Assay

    Related Articles

    Single Cell:

    Article Title: GLP‐1R agonist semaglutide protects human forebrain organoids from cholesterol‐induced neurotoxicity
    Article Snippet: .. High‐throughput single‐cell encapsulation, library preparation, and paired‐end sequencing were performed on the MGI DNBelab C‐TaiM4 and DNBSEQ‐T7 platforms (BGI/Innomics). ..

    Article Title: Paeoniflorigenone triggers TRIM28 phosphorylation-dependent ferroptosis and immune activation to suppress intrahepatic cholangiocarcinoma.
    Article Snippet: .. scRNAseq libraries were prepared using the DNBelab C Series Highthroughput Single-cell RNA Library Preparation Set (MGI) and sequenced on a DNBSEQ-T7 platform (MGI). ..

    Encapsulation:

    Article Title: GLP‐1R agonist semaglutide protects human forebrain organoids from cholesterol‐induced neurotoxicity
    Article Snippet: .. High‐throughput single‐cell encapsulation, library preparation, and paired‐end sequencing were performed on the MGI DNBelab C‐TaiM4 and DNBSEQ‐T7 platforms (BGI/Innomics). ..

    Sequencing:

    Article Title: GLP‐1R agonist semaglutide protects human forebrain organoids from cholesterol‐induced neurotoxicity
    Article Snippet: .. High‐throughput single‐cell encapsulation, library preparation, and paired‐end sequencing were performed on the MGI DNBelab C‐TaiM4 and DNBSEQ‐T7 platforms (BGI/Innomics). ..

    Article Title: Identification of pandemic ST147, ESBL-type β-lactamases, carbapenemases, and virulence factors in Klebsiella pneumoniae isolated from southern Peru.
    Article Snippet: Genomic DNA was extracted using the PrestoTM Mini gDNA Bacteria Kit (Geneaid) according to the manufacturer’s instructions, and purity was assessed via fluorometry using the QuantusTM Fluorometer (Promega). .. The sequencing library was prepared with the Hieff NGS® MaxUp II DNA Library Prep Kit for Illumina® (Shanghai Yisheng Biotechnology Co., Ltd.), and sequencing was performed by Sangon Biotech (Shanghai) Co., Ltd. (Shanghai, China, https://www.sangon.com/techService) on the MGI DNBSEQ-T7 platform ( h t t p s : / / e n . m g i - t e c h . c o m / p r o d u c t s / i n s t r u m e n t s _ i n f o / 5 /) with a read length of 2 × 150 bp paired-end. ..

    Article Title: Manipulating Unisexual–Sexual Reproduction Transition to Engineer Genome‐Reconstructed Polyploids
    Article Snippet: .. Therefore, this study generated a high‐quality haplo‐genome assembly for C. cuvieri utilizing a combination of sequencing technologies, including next‐generation sequencing (NGS, by DNBSEQ‐T7, MGI), circular consensus sequencing (CCS, by PacBio Sequel II), and high‐resolution chromosome conformation capture (Hi‐C, by DNBSEQ‐T7, MGI) (Table , Supporting Information). ..

    Article Title: Manipulating Unisexual-Sexual Reproduction Transition to Engineer Genome-Reconstructed Polyploids.
    Article Snippet: .. Therefore, this study generated a high-quality haplo-genome assembly for C. cuvieri utilizing a combination of sequencing technologies, including next-generation sequencing (NGS, by DNBSEQ-T7, MGI), circular consensus sequencing (CCS, by PacBio Sequel II), and high-resolution chromosome conformation capture (Hi-C, by DNBSEQ-T7, MGI) (Table S1, Supporting Information). ..

    Next-Generation Sequencing:

    Article Title: Identification of pandemic ST147, ESBL-type β-lactamases, carbapenemases, and virulence factors in Klebsiella pneumoniae isolated from southern Peru.
    Article Snippet: Genomic DNA was extracted using the PrestoTM Mini gDNA Bacteria Kit (Geneaid) according to the manufacturer’s instructions, and purity was assessed via fluorometry using the QuantusTM Fluorometer (Promega). .. The sequencing library was prepared with the Hieff NGS® MaxUp II DNA Library Prep Kit for Illumina® (Shanghai Yisheng Biotechnology Co., Ltd.), and sequencing was performed by Sangon Biotech (Shanghai) Co., Ltd. (Shanghai, China, https://www.sangon.com/techService) on the MGI DNBSEQ-T7 platform ( h t t p s : / / e n . m g i - t e c h . c o m / p r o d u c t s / i n s t r u m e n t s _ i n f o / 5 /) with a read length of 2 × 150 bp paired-end. ..

    Article Title: Manipulating Unisexual–Sexual Reproduction Transition to Engineer Genome‐Reconstructed Polyploids
    Article Snippet: .. Therefore, this study generated a high‐quality haplo‐genome assembly for C. cuvieri utilizing a combination of sequencing technologies, including next‐generation sequencing (NGS, by DNBSEQ‐T7, MGI), circular consensus sequencing (CCS, by PacBio Sequel II), and high‐resolution chromosome conformation capture (Hi‐C, by DNBSEQ‐T7, MGI) (Table , Supporting Information). ..

    Article Title: Manipulating Unisexual-Sexual Reproduction Transition to Engineer Genome-Reconstructed Polyploids.
    Article Snippet: .. Therefore, this study generated a high-quality haplo-genome assembly for C. cuvieri utilizing a combination of sequencing technologies, including next-generation sequencing (NGS, by DNBSEQ-T7, MGI), circular consensus sequencing (CCS, by PacBio Sequel II), and high-resolution chromosome conformation capture (Hi-C, by DNBSEQ-T7, MGI) (Table S1, Supporting Information). ..

    other:

    Article Title: Manipulating Unisexual-Sexual Reproduction Transition to Engineer Genome-Reconstructed Polyploids.
    Article Snippet: To reveal the genome composition of the novel polyploids, we randomly selected one individual to assemble the haplotyperesolved genome, using an integrated strategy of NGS (DNBSEQT7, MGI), CCS (Pacbio Revio), and Hi-C (DNBSEQ-T7, MGI).

    Article Title: Manipulating Unisexual–Sexual Reproduction Transition to Engineer Genome‐Reconstructed Polyploids
    Article Snippet: To reveal the genome composition of the novel polyploids, we randomly selected one individual to assemble the haplotype‐resolved genome, using an integrated strategy of NGS (DNBSEQ‐T7, MGI), CCS (Pacbio Revio), and Hi‐C (DNBSEQ‐T7, MGI).

    Hi-C:

    Article Title: Chromosomal level genome assembly of medicinal plant Chrysosplenium macrophyllum.
    Article Snippet: .. Genome survey Genome assembly Hi-C 1D library BGI DNBSEQ-T7 Clean reads k-mer analysis gDNA 350 bp library PromethION P48 Pass reads Draft assembly Polished assembly (round 1) Polished assembly (round 2) Best polished assembly (contigs) Curated assembly (final contigs) gDNA crosslink library BGI DNBSEQ-T7 Valid interaction pairs Interactive analysis Order and orient Hand polished Final assembly (chromosome-level scaffolds) Repeat annotation ncRNA annotation Ab into Repbase Homolog RNA-seqAb into tRNA miRNA/snRNA rRNA Repeat stat Final set ncRNA stat Function annotation InterPro KEGG/Pathway UniProt Pfam Go NR Flow cytometry estimation Kanyotype analysis Function stat Reapeat sequences Heterozygosity GC content Genome size Gene annotation Fig. 3 The pipelines overview of C. macrophyllum chromosome-level genome assembly and annotation. ..

    Flow Cytometry:

    Article Title: Chromosomal level genome assembly of medicinal plant Chrysosplenium macrophyllum.
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    High Throughput Screening Assay:

    Article Title: Paeoniflorigenone triggers TRIM28 phosphorylation-dependent ferroptosis and immune activation to suppress intrahepatic cholangiocarcinoma.
    Article Snippet: .. scRNAseq libraries were prepared using the DNBelab C Series Highthroughput Single-cell RNA Library Preparation Set (MGI) and sequenced on a DNBSEQ-T7 platform (MGI). ..

    RNA Library Preparation:

    Article Title: Paeoniflorigenone triggers TRIM28 phosphorylation-dependent ferroptosis and immune activation to suppress intrahepatic cholangiocarcinoma.
    Article Snippet: .. scRNAseq libraries were prepared using the DNBelab C Series Highthroughput Single-cell RNA Library Preparation Set (MGI) and sequenced on a DNBSEQ-T7 platform (MGI). ..

    Generated:

    Article Title: Manipulating Unisexual–Sexual Reproduction Transition to Engineer Genome‐Reconstructed Polyploids
    Article Snippet: .. Therefore, this study generated a high‐quality haplo‐genome assembly for C. cuvieri utilizing a combination of sequencing technologies, including next‐generation sequencing (NGS, by DNBSEQ‐T7, MGI), circular consensus sequencing (CCS, by PacBio Sequel II), and high‐resolution chromosome conformation capture (Hi‐C, by DNBSEQ‐T7, MGI) (Table , Supporting Information). ..

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    Semaglutide exerts limited neuroprotective effects in Day 80 forebrain organoids. A–B, Morphological evaluation of late‐stage forebrain organoids. Organoids were treated for 15 days (from Day 65 to Day 80) and analyzed on Day 80. A, Representative bright‐field images. Scale bar, 1 mm. B, Quantification of organoid area on Day 80. n = 11 organoids per group. C–E, Western blot analysis of AD‐associated pathological proteins. Representative bands show the expression of APP (≈ 110 kDa), p‐tau217 (≈ 55 kDa), and total tau (≈ 55 kDa), with β‐actin (42 kDa) as a loading control. D–E, Quantitative analysis of (D) relative APP levels and (E) p‐tau217/tau ratio. n = 4 independent experiments. F–H, Representative immunofluorescence images of MAP2 (green) and DAPI (blue) in Day 80 organoids. Middle panels show the MAP2 channel only, and lower panels show high‐magnification views of the boxed regions. Scale bar, 50 µm. G, Quantification of the ratio of MAP2‐positive area to DAPI‐positive area. n = 6 independent experiments. H, Quantification of MAP2 + fragmented branch density, calculated as the number of MAP2 + fragmented branches normalized to MAP2 + area. n = 6 independent experiments. I–M, Calcium imaging analysis of neuronal network activity in Day 80 organoids. I, Schematic of calcium imaging workflow and representative Fluo‐4 AM raw data. Scale bar, 50 µm. J, Representative heatmaps showing calcium transients (ΔF/F 0 ) in individual ROIs ( n = 40 cells per organoid) over a 5‐minute recording period. K–M, Quantitative analysis of (K) spontaneous calcium firing frequency (events/cell), (L) synchronization <t>index</t> quantified by the mean Pearson correlation coefficient of Δ F / F 0 traces across all cell pairs within each organoid, and (M) percentage of active versus inactive cells. n = 120 ROIs from n = 3 organoids across three independent differentiations. Statistical comparisons were performed based on the biological replicates ( n = 3) rather than technical ROIs. All data are presented as mean ± standard error of the mean. Statistical significance was determined using one‐way analysis of variance. ns, not significant. * P < 0.05, ** P < 0.01, *** P < 0.001, **** P < 0.0001. AD, Alzheimer's disease; APP, amyloid precursor protein; CHOL, cholesterol treatment; CHOL+SEMA, cholesterol + semaglutide treatment; CTR, control group; DAPI, 4′,6‐diamidino‐2‐phenylindole; MAP2, microtubule associated protein 2; p‐tau, phosphorylated tau; ROI, region of interest.
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    Semaglutide exerts limited neuroprotective effects in Day 80 forebrain organoids. A–B, Morphological evaluation of late‐stage forebrain organoids. Organoids were treated for 15 days (from Day 65 to Day 80) and analyzed on Day 80. A, Representative bright‐field images. Scale bar, 1 mm. B, Quantification of organoid area on Day 80. n = 11 organoids per group. C–E, Western blot analysis of AD‐associated pathological proteins. Representative bands show the expression of APP (≈ 110 kDa), p‐tau217 (≈ 55 kDa), and total tau (≈ 55 kDa), with β‐actin (42 kDa) as a loading control. D–E, Quantitative analysis of (D) relative APP levels and (E) p‐tau217/tau ratio. n = 4 independent experiments. F–H, Representative immunofluorescence images of MAP2 (green) and DAPI (blue) in Day 80 organoids. Middle panels show the MAP2 channel only, and lower panels show high‐magnification views of the boxed regions. Scale bar, 50 µm. G, Quantification of the ratio of MAP2‐positive area to DAPI‐positive area. n = 6 independent experiments. H, Quantification of MAP2 + fragmented branch density, calculated as the number of MAP2 + fragmented branches normalized to MAP2 + area. n = 6 independent experiments. I–M, Calcium imaging analysis of neuronal network activity in Day 80 organoids. I, Schematic of calcium imaging workflow and representative Fluo‐4 AM raw data. Scale bar, 50 µm. J, Representative heatmaps showing calcium transients (ΔF/F 0 ) in individual ROIs ( n = 40 cells per organoid) over a 5‐minute recording period. K–M, Quantitative analysis of (K) spontaneous calcium firing frequency (events/cell), (L) synchronization <t>index</t> quantified by the mean Pearson correlation coefficient of Δ F / F 0 traces across all cell pairs within each organoid, and (M) percentage of active versus inactive cells. n = 120 ROIs from n = 3 organoids across three independent differentiations. Statistical comparisons were performed based on the biological replicates ( n = 3) rather than technical ROIs. All data are presented as mean ± standard error of the mean. Statistical significance was determined using one‐way analysis of variance. ns, not significant. * P < 0.05, ** P < 0.01, *** P < 0.001, **** P < 0.0001. AD, Alzheimer's disease; APP, amyloid precursor protein; CHOL, cholesterol treatment; CHOL+SEMA, cholesterol + semaglutide treatment; CTR, control group; DAPI, 4′,6‐diamidino‐2‐phenylindole; MAP2, microtubule associated protein 2; p‐tau, phosphorylated tau; ROI, region of interest.
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    Semaglutide exerts limited neuroprotective effects in Day 80 forebrain organoids. A–B, Morphological evaluation of late‐stage forebrain organoids. Organoids were treated for 15 days (from Day 65 to Day 80) and analyzed on Day 80. A, Representative bright‐field images. Scale bar, 1 mm. B, Quantification of organoid area on Day 80. n = 11 organoids per group. C–E, Western blot analysis of AD‐associated pathological proteins. Representative bands show the expression of APP (≈ 110 kDa), p‐tau217 (≈ 55 kDa), and total tau (≈ 55 kDa), with β‐actin (42 kDa) as a loading control. D–E, Quantitative analysis of (D) relative APP levels and (E) p‐tau217/tau ratio. n = 4 independent experiments. F–H, Representative immunofluorescence images of MAP2 (green) and DAPI (blue) in Day 80 organoids. Middle panels show the MAP2 channel only, and lower panels show high‐magnification views of the boxed regions. Scale bar, 50 µm. G, Quantification of the ratio of MAP2‐positive area to DAPI‐positive area. n = 6 independent experiments. H, Quantification of MAP2 + fragmented branch density, calculated as the number of MAP2 + fragmented branches normalized to MAP2 + area. n = 6 independent experiments. I–M, Calcium imaging analysis of neuronal network activity in Day 80 organoids. I, Schematic of calcium imaging workflow and representative Fluo‐4 AM raw data. Scale bar, 50 µm. J, Representative heatmaps showing calcium transients (ΔF/F 0 ) in individual ROIs ( n = 40 cells per organoid) over a 5‐minute recording period. K–M, Quantitative analysis of (K) spontaneous calcium firing frequency (events/cell), (L) synchronization <t>index</t> quantified by the mean Pearson correlation coefficient of Δ F / F 0 traces across all cell pairs within each organoid, and (M) percentage of active versus inactive cells. n = 120 ROIs from n = 3 organoids across three independent differentiations. Statistical comparisons were performed based on the biological replicates ( n = 3) rather than technical ROIs. All data are presented as mean ± standard error of the mean. Statistical significance was determined using one‐way analysis of variance. ns, not significant. * P < 0.05, ** P < 0.01, *** P < 0.001, **** P < 0.0001. AD, Alzheimer's disease; APP, amyloid precursor protein; CHOL, cholesterol treatment; CHOL+SEMA, cholesterol + semaglutide treatment; CTR, control group; DAPI, 4′,6‐diamidino‐2‐phenylindole; MAP2, microtubule associated protein 2; p‐tau, phosphorylated tau; ROI, region of interest.
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    Semaglutide exerts limited neuroprotective effects in Day 80 forebrain organoids. A–B, Morphological evaluation of late‐stage forebrain organoids. Organoids were treated for 15 days (from Day 65 to Day 80) and analyzed on Day 80. A, Representative bright‐field images. Scale bar, 1 mm. B, Quantification of organoid area on Day 80. n = 11 organoids per group. C–E, Western blot analysis of AD‐associated pathological proteins. Representative bands show the expression of APP (≈ 110 kDa), p‐tau217 (≈ 55 kDa), and total tau (≈ 55 kDa), with β‐actin (42 kDa) as a loading control. D–E, Quantitative analysis of (D) relative APP levels and (E) p‐tau217/tau ratio. n = 4 independent experiments. F–H, Representative immunofluorescence images of MAP2 (green) and DAPI (blue) in Day 80 organoids. Middle panels show the MAP2 channel only, and lower panels show high‐magnification views of the boxed regions. Scale bar, 50 µm. G, Quantification of the ratio of MAP2‐positive area to DAPI‐positive area. n = 6 independent experiments. H, Quantification of MAP2 + fragmented branch density, calculated as the number of MAP2 + fragmented branches normalized to MAP2 + area. n = 6 independent experiments. I–M, Calcium imaging analysis of neuronal network activity in Day 80 organoids. I, Schematic of calcium imaging workflow and representative Fluo‐4 AM raw data. Scale bar, 50 µm. J, Representative heatmaps showing calcium transients (ΔF/F 0 ) in individual ROIs ( n = 40 cells per organoid) over a 5‐minute recording period. K–M, Quantitative analysis of (K) spontaneous calcium firing frequency (events/cell), (L) synchronization <t>index</t> quantified by the mean Pearson correlation coefficient of Δ F / F 0 traces across all cell pairs within each organoid, and (M) percentage of active versus inactive cells. n = 120 ROIs from n = 3 organoids across three independent differentiations. Statistical comparisons were performed based on the biological replicates ( n = 3) rather than technical ROIs. All data are presented as mean ± standard error of the mean. Statistical significance was determined using one‐way analysis of variance. ns, not significant. * P < 0.05, ** P < 0.01, *** P < 0.001, **** P < 0.0001. AD, Alzheimer's disease; APP, amyloid precursor protein; CHOL, cholesterol treatment; CHOL+SEMA, cholesterol + semaglutide treatment; CTR, control group; DAPI, 4′,6‐diamidino‐2‐phenylindole; MAP2, microtubule associated protein 2; p‐tau, phosphorylated tau; ROI, region of interest.
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    Semaglutide exerts limited neuroprotective effects in Day 80 forebrain organoids. A–B, Morphological evaluation of late‐stage forebrain organoids. Organoids were treated for 15 days (from Day 65 to Day 80) and analyzed on Day 80. A, Representative bright‐field images. Scale bar, 1 mm. B, Quantification of organoid area on Day 80. n = 11 organoids per group. C–E, Western blot analysis of AD‐associated pathological proteins. Representative bands show the expression of APP (≈ 110 kDa), p‐tau217 (≈ 55 kDa), and total tau (≈ 55 kDa), with β‐actin (42 kDa) as a loading control. D–E, Quantitative analysis of (D) relative APP levels and (E) p‐tau217/tau ratio. n = 4 independent experiments. F–H, Representative immunofluorescence images of MAP2 (green) and DAPI (blue) in Day 80 organoids. Middle panels show the MAP2 channel only, and lower panels show high‐magnification views of the boxed regions. Scale bar, 50 µm. G, Quantification of the ratio of MAP2‐positive area to DAPI‐positive area. n = 6 independent experiments. H, Quantification of MAP2 + fragmented branch density, calculated as the number of MAP2 + fragmented branches normalized to MAP2 + area. n = 6 independent experiments. I–M, Calcium imaging analysis of neuronal network activity in Day 80 organoids. I, Schematic of calcium imaging workflow and representative Fluo‐4 AM raw data. Scale bar, 50 µm. J, Representative heatmaps showing calcium transients (ΔF/F 0 ) in individual ROIs ( n = 40 cells per organoid) over a 5‐minute recording period. K–M, Quantitative analysis of (K) spontaneous calcium firing frequency (events/cell), (L) synchronization <t>index</t> quantified by the mean Pearson correlation coefficient of Δ F / F 0 traces across all cell pairs within each organoid, and (M) percentage of active versus inactive cells. n = 120 ROIs from n = 3 organoids across three independent differentiations. Statistical comparisons were performed based on the biological replicates ( n = 3) rather than technical ROIs. All data are presented as mean ± standard error of the mean. Statistical significance was determined using one‐way analysis of variance. ns, not significant. * P < 0.05, ** P < 0.01, *** P < 0.001, **** P < 0.0001. AD, Alzheimer's disease; APP, amyloid precursor protein; CHOL, cholesterol treatment; CHOL+SEMA, cholesterol + semaglutide treatment; CTR, control group; DAPI, 4′,6‐diamidino‐2‐phenylindole; MAP2, microtubule associated protein 2; p‐tau, phosphorylated tau; ROI, region of interest.
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    Semaglutide exerts limited neuroprotective effects in Day 80 forebrain organoids. A–B, Morphological evaluation of late‐stage forebrain organoids. Organoids were treated for 15 days (from Day 65 to Day 80) and analyzed on Day 80. A, Representative bright‐field images. Scale bar, 1 mm. B, Quantification of organoid area on Day 80. n = 11 organoids per group. C–E, Western blot analysis of AD‐associated pathological proteins. Representative bands show the expression of APP (≈ 110 kDa), p‐tau217 (≈ 55 kDa), and total tau (≈ 55 kDa), with β‐actin (42 kDa) as a loading control. D–E, Quantitative analysis of (D) relative APP levels and (E) p‐tau217/tau ratio. n = 4 independent experiments. F–H, Representative immunofluorescence images of MAP2 (green) and DAPI (blue) in Day 80 organoids. Middle panels show the MAP2 channel only, and lower panels show high‐magnification views of the boxed regions. Scale bar, 50 µm. G, Quantification of the ratio of MAP2‐positive area to DAPI‐positive area. n = 6 independent experiments. H, Quantification of MAP2 + fragmented branch density, calculated as the number of MAP2 + fragmented branches normalized to MAP2 + area. n = 6 independent experiments. I–M, Calcium imaging analysis of neuronal network activity in Day 80 organoids. I, Schematic of calcium imaging workflow and representative Fluo‐4 AM raw data. Scale bar, 50 µm. J, Representative heatmaps showing calcium transients (ΔF/F 0 ) in individual ROIs ( n = 40 cells per organoid) over a 5‐minute recording period. K–M, Quantitative analysis of (K) spontaneous calcium firing frequency (events/cell), (L) synchronization <t>index</t> quantified by the mean Pearson correlation coefficient of Δ F / F 0 traces across all cell pairs within each organoid, and (M) percentage of active versus inactive cells. n = 120 ROIs from n = 3 organoids across three independent differentiations. Statistical comparisons were performed based on the biological replicates ( n = 3) rather than technical ROIs. All data are presented as mean ± standard error of the mean. Statistical significance was determined using one‐way analysis of variance. ns, not significant. * P < 0.05, ** P < 0.01, *** P < 0.001, **** P < 0.0001. AD, Alzheimer's disease; APP, amyloid precursor protein; CHOL, cholesterol treatment; CHOL+SEMA, cholesterol + semaglutide treatment; CTR, control group; DAPI, 4′,6‐diamidino‐2‐phenylindole; MAP2, microtubule associated protein 2; p‐tau, phosphorylated tau; ROI, region of interest.
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    Semaglutide exerts limited neuroprotective effects in Day 80 forebrain organoids. A–B, Morphological evaluation of late‐stage forebrain organoids. Organoids were treated for 15 days (from Day 65 to Day 80) and analyzed on Day 80. A, Representative bright‐field images. Scale bar, 1 mm. B, Quantification of organoid area on Day 80. n = 11 organoids per group. C–E, Western blot analysis of AD‐associated pathological proteins. Representative bands show the expression of APP (≈ 110 kDa), p‐tau217 (≈ 55 kDa), and total tau (≈ 55 kDa), with β‐actin (42 kDa) as a loading control. D–E, Quantitative analysis of (D) relative APP levels and (E) p‐tau217/tau ratio. n = 4 independent experiments. F–H, Representative immunofluorescence images of MAP2 (green) and DAPI (blue) in Day 80 organoids. Middle panels show the MAP2 channel only, and lower panels show high‐magnification views of the boxed regions. Scale bar, 50 µm. G, Quantification of the ratio of MAP2‐positive area to DAPI‐positive area. n = 6 independent experiments. H, Quantification of MAP2 + fragmented branch density, calculated as the number of MAP2 + fragmented branches normalized to MAP2 + area. n = 6 independent experiments. I–M, Calcium imaging analysis of neuronal network activity in Day 80 organoids. I, Schematic of calcium imaging workflow and representative Fluo‐4 AM raw data. Scale bar, 50 µm. J, Representative heatmaps showing calcium transients (ΔF/F 0 ) in individual ROIs ( n = 40 cells per organoid) over a 5‐minute recording period. K–M, Quantitative analysis of (K) spontaneous calcium firing frequency (events/cell), (L) synchronization index quantified by the mean Pearson correlation coefficient of Δ F / F 0 traces across all cell pairs within each organoid, and (M) percentage of active versus inactive cells. n = 120 ROIs from n = 3 organoids across three independent differentiations. Statistical comparisons were performed based on the biological replicates ( n = 3) rather than technical ROIs. All data are presented as mean ± standard error of the mean. Statistical significance was determined using one‐way analysis of variance. ns, not significant. * P < 0.05, ** P < 0.01, *** P < 0.001, **** P < 0.0001. AD, Alzheimer's disease; APP, amyloid precursor protein; CHOL, cholesterol treatment; CHOL+SEMA, cholesterol + semaglutide treatment; CTR, control group; DAPI, 4′,6‐diamidino‐2‐phenylindole; MAP2, microtubule associated protein 2; p‐tau, phosphorylated tau; ROI, region of interest.

    Journal: Alzheimer's & Dementia

    Article Title: GLP‐1R agonist semaglutide protects human forebrain organoids from cholesterol‐induced neurotoxicity

    doi: 10.1002/alz.71888

    Figure Lengend Snippet: Semaglutide exerts limited neuroprotective effects in Day 80 forebrain organoids. A–B, Morphological evaluation of late‐stage forebrain organoids. Organoids were treated for 15 days (from Day 65 to Day 80) and analyzed on Day 80. A, Representative bright‐field images. Scale bar, 1 mm. B, Quantification of organoid area on Day 80. n = 11 organoids per group. C–E, Western blot analysis of AD‐associated pathological proteins. Representative bands show the expression of APP (≈ 110 kDa), p‐tau217 (≈ 55 kDa), and total tau (≈ 55 kDa), with β‐actin (42 kDa) as a loading control. D–E, Quantitative analysis of (D) relative APP levels and (E) p‐tau217/tau ratio. n = 4 independent experiments. F–H, Representative immunofluorescence images of MAP2 (green) and DAPI (blue) in Day 80 organoids. Middle panels show the MAP2 channel only, and lower panels show high‐magnification views of the boxed regions. Scale bar, 50 µm. G, Quantification of the ratio of MAP2‐positive area to DAPI‐positive area. n = 6 independent experiments. H, Quantification of MAP2 + fragmented branch density, calculated as the number of MAP2 + fragmented branches normalized to MAP2 + area. n = 6 independent experiments. I–M, Calcium imaging analysis of neuronal network activity in Day 80 organoids. I, Schematic of calcium imaging workflow and representative Fluo‐4 AM raw data. Scale bar, 50 µm. J, Representative heatmaps showing calcium transients (ΔF/F 0 ) in individual ROIs ( n = 40 cells per organoid) over a 5‐minute recording period. K–M, Quantitative analysis of (K) spontaneous calcium firing frequency (events/cell), (L) synchronization index quantified by the mean Pearson correlation coefficient of Δ F / F 0 traces across all cell pairs within each organoid, and (M) percentage of active versus inactive cells. n = 120 ROIs from n = 3 organoids across three independent differentiations. Statistical comparisons were performed based on the biological replicates ( n = 3) rather than technical ROIs. All data are presented as mean ± standard error of the mean. Statistical significance was determined using one‐way analysis of variance. ns, not significant. * P < 0.05, ** P < 0.01, *** P < 0.001, **** P < 0.0001. AD, Alzheimer's disease; APP, amyloid precursor protein; CHOL, cholesterol treatment; CHOL+SEMA, cholesterol + semaglutide treatment; CTR, control group; DAPI, 4′,6‐diamidino‐2‐phenylindole; MAP2, microtubule associated protein 2; p‐tau, phosphorylated tau; ROI, region of interest.

    Article Snippet: High‐throughput single‐cell encapsulation, library preparation, and paired‐end sequencing were performed on the MGI DNBelab C‐TaiM4 and DNBSEQ‐T7 platforms (BGI/Innomics).

    Techniques: Organoids, Western Blot, Analysis, Expressing, Control, Immunofluorescence, Imaging, Activity Assay