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ryr3  (Alomone Labs)


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    Structured Review

    Alomone Labs ryr3
    (A) Differentially expressed genes in HEK293 cells in response to FAM84B KO (n=3 each). Genes with p < 0.05 and >2-fold expression change compared to control are marked with red dots. (B) Differentially expressed genes in HEK293 cells in response to FAM84B OE (n=3 each). Genes with p < 0.05 and >2-fold expression change compared to control are marked with red dots. (C) Differentially expressed genes in tau-expressing SH-SY5Y cells in response to FAM84B OE (n=3 each). Genes with p < 0.05 and >1.7-fold expression change compared to cells expressing tau alone are marked with red dots. (D) Venn diagram showing the number of shared genes between RNA-seq datasets in (A–C), with overlapping genes represented in distinct colors (red, green, black, blue). Only the names of membrane-related genes among the shared genes are noted. (E) GO analysis showing cellular compartments of genes identified in (D). The GO terms based on the number of genes are shown. (F) Levels of <t>RYR3</t> and actin in iPSC-derived CN from HC and patients with AD (n=3 each). (G) Levels of RYR3 and actin in SH-SY5Y cells expressing tau alone or tau with FAM84B-Myc (n=3 each). (H) Colocalization (arrow) of FAM84B and calcium in SH-SY5Y cells expressing tau with mCherry control (C1), and in cells expressing tau with mCherry-FAM84B treated with either DMSO or dantrolene (n=4 each). (I) PHF-1 spread from SH-SY5Y cells expressing Tau-p2a-eGFP with FAM84B to neighboring cells in response to treatment with either DMSO or dantrolene (n=4 each). Arrows indicate recipient cells (red) to which tau has been transmitted. Solid boxes in the images indicate magnified areas. Results are presented as mean ± SEM. Co-localization analysis. (H) Pearson correlation coefficient. Statistical analyses: (A-C, F-I) unpaired two-tailed t -test with Welch’s correction; ns: not significant, *p < 0.05, **p < 0.01, ***p < 0.001. Abbreviations: KO, knockout; OE, overexpression; GO, gene ontology; CN, cortical neuron; HC, healthy control; AD, Alzheimer’s disease; PHF-1, phosphorylated tau at residues S396/S404; FOV, field of view.
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    Images

    1) Product Images from "FAM84B facilitates tau propagation via RYR3-mediated exocytosis in response to neuroinflammation"

    Article Title: FAM84B facilitates tau propagation via RYR3-mediated exocytosis in response to neuroinflammation

    Journal: bioRxiv

    doi: 10.64898/2025.12.28.696549

    (A) Differentially expressed genes in HEK293 cells in response to FAM84B KO (n=3 each). Genes with p < 0.05 and >2-fold expression change compared to control are marked with red dots. (B) Differentially expressed genes in HEK293 cells in response to FAM84B OE (n=3 each). Genes with p < 0.05 and >2-fold expression change compared to control are marked with red dots. (C) Differentially expressed genes in tau-expressing SH-SY5Y cells in response to FAM84B OE (n=3 each). Genes with p < 0.05 and >1.7-fold expression change compared to cells expressing tau alone are marked with red dots. (D) Venn diagram showing the number of shared genes between RNA-seq datasets in (A–C), with overlapping genes represented in distinct colors (red, green, black, blue). Only the names of membrane-related genes among the shared genes are noted. (E) GO analysis showing cellular compartments of genes identified in (D). The GO terms based on the number of genes are shown. (F) Levels of RYR3 and actin in iPSC-derived CN from HC and patients with AD (n=3 each). (G) Levels of RYR3 and actin in SH-SY5Y cells expressing tau alone or tau with FAM84B-Myc (n=3 each). (H) Colocalization (arrow) of FAM84B and calcium in SH-SY5Y cells expressing tau with mCherry control (C1), and in cells expressing tau with mCherry-FAM84B treated with either DMSO or dantrolene (n=4 each). (I) PHF-1 spread from SH-SY5Y cells expressing Tau-p2a-eGFP with FAM84B to neighboring cells in response to treatment with either DMSO or dantrolene (n=4 each). Arrows indicate recipient cells (red) to which tau has been transmitted. Solid boxes in the images indicate magnified areas. Results are presented as mean ± SEM. Co-localization analysis. (H) Pearson correlation coefficient. Statistical analyses: (A-C, F-I) unpaired two-tailed t -test with Welch’s correction; ns: not significant, *p < 0.05, **p < 0.01, ***p < 0.001. Abbreviations: KO, knockout; OE, overexpression; GO, gene ontology; CN, cortical neuron; HC, healthy control; AD, Alzheimer’s disease; PHF-1, phosphorylated tau at residues S396/S404; FOV, field of view.
    Figure Legend Snippet: (A) Differentially expressed genes in HEK293 cells in response to FAM84B KO (n=3 each). Genes with p < 0.05 and >2-fold expression change compared to control are marked with red dots. (B) Differentially expressed genes in HEK293 cells in response to FAM84B OE (n=3 each). Genes with p < 0.05 and >2-fold expression change compared to control are marked with red dots. (C) Differentially expressed genes in tau-expressing SH-SY5Y cells in response to FAM84B OE (n=3 each). Genes with p < 0.05 and >1.7-fold expression change compared to cells expressing tau alone are marked with red dots. (D) Venn diagram showing the number of shared genes between RNA-seq datasets in (A–C), with overlapping genes represented in distinct colors (red, green, black, blue). Only the names of membrane-related genes among the shared genes are noted. (E) GO analysis showing cellular compartments of genes identified in (D). The GO terms based on the number of genes are shown. (F) Levels of RYR3 and actin in iPSC-derived CN from HC and patients with AD (n=3 each). (G) Levels of RYR3 and actin in SH-SY5Y cells expressing tau alone or tau with FAM84B-Myc (n=3 each). (H) Colocalization (arrow) of FAM84B and calcium in SH-SY5Y cells expressing tau with mCherry control (C1), and in cells expressing tau with mCherry-FAM84B treated with either DMSO or dantrolene (n=4 each). (I) PHF-1 spread from SH-SY5Y cells expressing Tau-p2a-eGFP with FAM84B to neighboring cells in response to treatment with either DMSO or dantrolene (n=4 each). Arrows indicate recipient cells (red) to which tau has been transmitted. Solid boxes in the images indicate magnified areas. Results are presented as mean ± SEM. Co-localization analysis. (H) Pearson correlation coefficient. Statistical analyses: (A-C, F-I) unpaired two-tailed t -test with Welch’s correction; ns: not significant, *p < 0.05, **p < 0.01, ***p < 0.001. Abbreviations: KO, knockout; OE, overexpression; GO, gene ontology; CN, cortical neuron; HC, healthy control; AD, Alzheimer’s disease; PHF-1, phosphorylated tau at residues S396/S404; FOV, field of view.

    Techniques Used: Expressing, Control, RNA Sequencing, Membrane, Derivative Assay, Two Tailed Test, Knock-Out, Over Expression

    (A) Venn diagram showing the seven shared transcriptional cofactors between the ENCODE ChIP-seq and CHEA ChIP-seq datasets. The genes are categorized into functional terms and noted. (B) Genomic information of the FAM84B gene obtained from the UCSC Genome Browser. Transcription cofactor clusters identified from the ENCODE ChIP-seq data, with those likely to bind to the regulatory elements of FAM84B, as identified by FANTOM5, highlighted. (C) Levels of phosphorylated STAT3 (Y705) in the cerebral cortex of HC (n=3) and patients with VD (n=3), CBD (n=3), PSP (n=4), PART (n=3), and AD (n=6). (D) Levels of phosphorylated STAT3 (Y705) and total STAT3 in iPSC-derived CN from HC and patients with AD (n=3 each). (E) Levels of phosphorylated STAT3 (Y705), total STAT3, FAM84B, and actin in SH-SY5Y cells treated with either control vehicle or IL-6 (n=3 each). (F) Changes in the levels of phosphorylated STAT3 (Y705), total STAT3, FAM84B, and actin in SH-SY5Y cells expressing STAT3-WT or STAT3-DN in response to treatment with either control vehicle or IL-6 (n=3 each). (G) PHF-1 spread from Tau-p2a-eGFP expressing SH-SY5Y cells to neighboring cells in response to treatment with either control vector or IL-6 (n=4 each). Arrows indicate recipient cells (red) to which tau has been transmitted. Solid boxes in the images indicate magnified areas. (H) PHF-1 spread from IL-6 treated SH-SY5Y cells expressing Tau-p2a-eGFP to neighboring cells in response to treatment with either DMSO or dantrolene (n=4 each). Arrows indicate recipient cells (red) to which tau has been transmitted. Solid boxes in the images indicate magnified areas. (I) Changes in the levels of PHF-1, total tau, phosphorylated STAT3 (Y705), total STAT3, FAM84B (FAM84B-Myc), RYR3, and actin in iPSC-derived CN from HC after infection with AAV and subsequent treatments (n=3 each). (J) Changes in the levels of phosphorylated tau (T181 and S396) in the CM of iPSC-derived CN from HC after infection with AAV and subsequent treatments (n=8 each). In (I–J), the experimental groups are: (1) CN infected with AAV containing tau, (2) CN infected with AAV containing tau and FAM84B-Myc, (3) CN infected with AAV containing tau and treated with IL-6 and TNF-α, (4) CN infected with AAV containing tau and FAM84B-Myc and treated with dantrolene, and (5) CN infected with AAV containing tau, treated with IL-6 and TNF-α, followed by treatment with dantrolene. Results are presented as mean ± SEM. Statistical analyses: (C) ordinary two-way ANOVA; (D-J) unpaired two-tailed t -test with Welch’s correction; ns: not significant, *p < 0.05, **p < 0.01, and ***p < 0.001. Abbreviations: HC, healthy control; VD, vascular dementia; CBD, corticobasal degeneration; PSP, progressive supranuclear palsy; PART, primary age-related tauopathy; AD, Alzheimer’s disease; CN, cortical neuron; WT, wild type; DN, dominant negative; PHF-1, phosphorylated tau at S396/S404 residue; FOV, field of view; AAV, adeno-associated virus; CM, conditioned media.
    Figure Legend Snippet: (A) Venn diagram showing the seven shared transcriptional cofactors between the ENCODE ChIP-seq and CHEA ChIP-seq datasets. The genes are categorized into functional terms and noted. (B) Genomic information of the FAM84B gene obtained from the UCSC Genome Browser. Transcription cofactor clusters identified from the ENCODE ChIP-seq data, with those likely to bind to the regulatory elements of FAM84B, as identified by FANTOM5, highlighted. (C) Levels of phosphorylated STAT3 (Y705) in the cerebral cortex of HC (n=3) and patients with VD (n=3), CBD (n=3), PSP (n=4), PART (n=3), and AD (n=6). (D) Levels of phosphorylated STAT3 (Y705) and total STAT3 in iPSC-derived CN from HC and patients with AD (n=3 each). (E) Levels of phosphorylated STAT3 (Y705), total STAT3, FAM84B, and actin in SH-SY5Y cells treated with either control vehicle or IL-6 (n=3 each). (F) Changes in the levels of phosphorylated STAT3 (Y705), total STAT3, FAM84B, and actin in SH-SY5Y cells expressing STAT3-WT or STAT3-DN in response to treatment with either control vehicle or IL-6 (n=3 each). (G) PHF-1 spread from Tau-p2a-eGFP expressing SH-SY5Y cells to neighboring cells in response to treatment with either control vector or IL-6 (n=4 each). Arrows indicate recipient cells (red) to which tau has been transmitted. Solid boxes in the images indicate magnified areas. (H) PHF-1 spread from IL-6 treated SH-SY5Y cells expressing Tau-p2a-eGFP to neighboring cells in response to treatment with either DMSO or dantrolene (n=4 each). Arrows indicate recipient cells (red) to which tau has been transmitted. Solid boxes in the images indicate magnified areas. (I) Changes in the levels of PHF-1, total tau, phosphorylated STAT3 (Y705), total STAT3, FAM84B (FAM84B-Myc), RYR3, and actin in iPSC-derived CN from HC after infection with AAV and subsequent treatments (n=3 each). (J) Changes in the levels of phosphorylated tau (T181 and S396) in the CM of iPSC-derived CN from HC after infection with AAV and subsequent treatments (n=8 each). In (I–J), the experimental groups are: (1) CN infected with AAV containing tau, (2) CN infected with AAV containing tau and FAM84B-Myc, (3) CN infected with AAV containing tau and treated with IL-6 and TNF-α, (4) CN infected with AAV containing tau and FAM84B-Myc and treated with dantrolene, and (5) CN infected with AAV containing tau, treated with IL-6 and TNF-α, followed by treatment with dantrolene. Results are presented as mean ± SEM. Statistical analyses: (C) ordinary two-way ANOVA; (D-J) unpaired two-tailed t -test with Welch’s correction; ns: not significant, *p < 0.05, **p < 0.01, and ***p < 0.001. Abbreviations: HC, healthy control; VD, vascular dementia; CBD, corticobasal degeneration; PSP, progressive supranuclear palsy; PART, primary age-related tauopathy; AD, Alzheimer’s disease; CN, cortical neuron; WT, wild type; DN, dominant negative; PHF-1, phosphorylated tau at S396/S404 residue; FOV, field of view; AAV, adeno-associated virus; CM, conditioned media.

    Techniques Used: ChIP-sequencing, Functional Assay, Derivative Assay, Control, Expressing, Plasmid Preparation, Infection, Two Tailed Test, Dominant Negative Mutation, Residue, Virus



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    (A) Differentially expressed genes in HEK293 cells in response to FAM84B KO (n=3 each). Genes with p < 0.05 and >2-fold expression change compared to control are marked with red dots. (B) Differentially expressed genes in HEK293 cells in response to FAM84B OE (n=3 each). Genes with p < 0.05 and >2-fold expression change compared to control are marked with red dots. (C) Differentially expressed genes in tau-expressing SH-SY5Y cells in response to FAM84B OE (n=3 each). Genes with p < 0.05 and >1.7-fold expression change compared to cells expressing tau alone are marked with red dots. (D) Venn diagram showing the number of shared genes between RNA-seq datasets in (A–C), with overlapping genes represented in distinct colors (red, green, black, blue). Only the names of membrane-related genes among the shared genes are noted. (E) GO analysis showing cellular compartments of genes identified in (D). The GO terms based on the number of genes are shown. (F) Levels of <t>RYR3</t> and actin in iPSC-derived CN from HC and patients with AD (n=3 each). (G) Levels of RYR3 and actin in SH-SY5Y cells expressing tau alone or tau with FAM84B-Myc (n=3 each). (H) Colocalization (arrow) of FAM84B and calcium in SH-SY5Y cells expressing tau with mCherry control (C1), and in cells expressing tau with mCherry-FAM84B treated with either DMSO or dantrolene (n=4 each). (I) PHF-1 spread from SH-SY5Y cells expressing Tau-p2a-eGFP with FAM84B to neighboring cells in response to treatment with either DMSO or dantrolene (n=4 each). Arrows indicate recipient cells (red) to which tau has been transmitted. Solid boxes in the images indicate magnified areas. Results are presented as mean ± SEM. Co-localization analysis. (H) Pearson correlation coefficient. Statistical analyses: (A-C, F-I) unpaired two-tailed t -test with Welch’s correction; ns: not significant, *p < 0.05, **p < 0.01, ***p < 0.001. Abbreviations: KO, knockout; OE, overexpression; GO, gene ontology; CN, cortical neuron; HC, healthy control; AD, Alzheimer’s disease; PHF-1, phosphorylated tau at residues S396/S404; FOV, field of view.
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    (A) Differentially expressed genes in HEK293 cells in response to FAM84B KO (n=3 each). Genes with p < 0.05 and >2-fold expression change compared to control are marked with red dots. (B) Differentially expressed genes in HEK293 cells in response to FAM84B OE (n=3 each). Genes with p < 0.05 and >2-fold expression change compared to control are marked with red dots. (C) Differentially expressed genes in tau-expressing SH-SY5Y cells in response to FAM84B OE (n=3 each). Genes with p < 0.05 and >1.7-fold expression change compared to cells expressing tau alone are marked with red dots. (D) Venn diagram showing the number of shared genes between RNA-seq datasets in (A–C), with overlapping genes represented in distinct colors (red, green, black, blue). Only the names of membrane-related genes among the shared genes are noted. (E) GO analysis showing cellular compartments of genes identified in (D). The GO terms based on the number of genes are shown. (F) Levels of <t>RYR3</t> and actin in iPSC-derived CN from HC and patients with AD (n=3 each). (G) Levels of RYR3 and actin in SH-SY5Y cells expressing tau alone or tau with FAM84B-Myc (n=3 each). (H) Colocalization (arrow) of FAM84B and calcium in SH-SY5Y cells expressing tau with mCherry control (C1), and in cells expressing tau with mCherry-FAM84B treated with either DMSO or dantrolene (n=4 each). (I) PHF-1 spread from SH-SY5Y cells expressing Tau-p2a-eGFP with FAM84B to neighboring cells in response to treatment with either DMSO or dantrolene (n=4 each). Arrows indicate recipient cells (red) to which tau has been transmitted. Solid boxes in the images indicate magnified areas. Results are presented as mean ± SEM. Co-localization analysis. (H) Pearson correlation coefficient. Statistical analyses: (A-C, F-I) unpaired two-tailed t -test with Welch’s correction; ns: not significant, *p < 0.05, **p < 0.01, ***p < 0.001. Abbreviations: KO, knockout; OE, overexpression; GO, gene ontology; CN, cortical neuron; HC, healthy control; AD, Alzheimer’s disease; PHF-1, phosphorylated tau at residues S396/S404; FOV, field of view.
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    Image Search Results


    (A) Differentially expressed genes in HEK293 cells in response to FAM84B KO (n=3 each). Genes with p < 0.05 and >2-fold expression change compared to control are marked with red dots. (B) Differentially expressed genes in HEK293 cells in response to FAM84B OE (n=3 each). Genes with p < 0.05 and >2-fold expression change compared to control are marked with red dots. (C) Differentially expressed genes in tau-expressing SH-SY5Y cells in response to FAM84B OE (n=3 each). Genes with p < 0.05 and >1.7-fold expression change compared to cells expressing tau alone are marked with red dots. (D) Venn diagram showing the number of shared genes between RNA-seq datasets in (A–C), with overlapping genes represented in distinct colors (red, green, black, blue). Only the names of membrane-related genes among the shared genes are noted. (E) GO analysis showing cellular compartments of genes identified in (D). The GO terms based on the number of genes are shown. (F) Levels of RYR3 and actin in iPSC-derived CN from HC and patients with AD (n=3 each). (G) Levels of RYR3 and actin in SH-SY5Y cells expressing tau alone or tau with FAM84B-Myc (n=3 each). (H) Colocalization (arrow) of FAM84B and calcium in SH-SY5Y cells expressing tau with mCherry control (C1), and in cells expressing tau with mCherry-FAM84B treated with either DMSO or dantrolene (n=4 each). (I) PHF-1 spread from SH-SY5Y cells expressing Tau-p2a-eGFP with FAM84B to neighboring cells in response to treatment with either DMSO or dantrolene (n=4 each). Arrows indicate recipient cells (red) to which tau has been transmitted. Solid boxes in the images indicate magnified areas. Results are presented as mean ± SEM. Co-localization analysis. (H) Pearson correlation coefficient. Statistical analyses: (A-C, F-I) unpaired two-tailed t -test with Welch’s correction; ns: not significant, *p < 0.05, **p < 0.01, ***p < 0.001. Abbreviations: KO, knockout; OE, overexpression; GO, gene ontology; CN, cortical neuron; HC, healthy control; AD, Alzheimer’s disease; PHF-1, phosphorylated tau at residues S396/S404; FOV, field of view.

    Journal: bioRxiv

    Article Title: FAM84B facilitates tau propagation via RYR3-mediated exocytosis in response to neuroinflammation

    doi: 10.64898/2025.12.28.696549

    Figure Lengend Snippet: (A) Differentially expressed genes in HEK293 cells in response to FAM84B KO (n=3 each). Genes with p < 0.05 and >2-fold expression change compared to control are marked with red dots. (B) Differentially expressed genes in HEK293 cells in response to FAM84B OE (n=3 each). Genes with p < 0.05 and >2-fold expression change compared to control are marked with red dots. (C) Differentially expressed genes in tau-expressing SH-SY5Y cells in response to FAM84B OE (n=3 each). Genes with p < 0.05 and >1.7-fold expression change compared to cells expressing tau alone are marked with red dots. (D) Venn diagram showing the number of shared genes between RNA-seq datasets in (A–C), with overlapping genes represented in distinct colors (red, green, black, blue). Only the names of membrane-related genes among the shared genes are noted. (E) GO analysis showing cellular compartments of genes identified in (D). The GO terms based on the number of genes are shown. (F) Levels of RYR3 and actin in iPSC-derived CN from HC and patients with AD (n=3 each). (G) Levels of RYR3 and actin in SH-SY5Y cells expressing tau alone or tau with FAM84B-Myc (n=3 each). (H) Colocalization (arrow) of FAM84B and calcium in SH-SY5Y cells expressing tau with mCherry control (C1), and in cells expressing tau with mCherry-FAM84B treated with either DMSO or dantrolene (n=4 each). (I) PHF-1 spread from SH-SY5Y cells expressing Tau-p2a-eGFP with FAM84B to neighboring cells in response to treatment with either DMSO or dantrolene (n=4 each). Arrows indicate recipient cells (red) to which tau has been transmitted. Solid boxes in the images indicate magnified areas. Results are presented as mean ± SEM. Co-localization analysis. (H) Pearson correlation coefficient. Statistical analyses: (A-C, F-I) unpaired two-tailed t -test with Welch’s correction; ns: not significant, *p < 0.05, **p < 0.01, ***p < 0.001. Abbreviations: KO, knockout; OE, overexpression; GO, gene ontology; CN, cortical neuron; HC, healthy control; AD, Alzheimer’s disease; PHF-1, phosphorylated tau at residues S396/S404; FOV, field of view.

    Article Snippet: Following blocking, membranes were incubated overnight at 4°C with primary antibodies (1:1,000 dilution), including: PHF-1 (Peter Davies Lab), Tau5 (Gail VW Johnson Lab), Tau (Dako, Agilent Technologies, Inc., 0024), Myc-tag (Cell Signaling Technology, 2276), FAM84B (OriGene, TA501992; Proteintech Group, Inc., Rosemont, IL, USA, 18421-1-AP), Alix (Cell Signaling Technology, 2171), Caveolin-1 (Cell Signaling Technology, 3267), RYR3 (Alomone Labs, Jerusalem, Israel, ARR003), Clathrin-heavy chain (CHC, Cell Signaling Technology, 4796), EEA1 (Cell Signaling Technology, 3288), Rab5 (Cell Signaling Technology, 3547), Rab7 (Cell Signaling Technology, 9367), Rab9 (Cell Signaling Technology, 5118), Rab11 (Cell Signaling Technology, 5589), pSTAT3 (Y705) (Cell Signaling Technology, 9145), STAT3 (Cell Signaling Technology, 9139), p62 (Cell Signaling Technology, 8025), LC3 (Cell Signaling Technology, 3868), HSP70 (Cell Signaling Technology, 4876), LAMP-1 (BD Biosciences, Franklin Lakes, NJ, USA, 611042), LAMP-2 (Sigma-Aldrich, L0668), and beta-actin (Merck Millipore, MAB1501).

    Techniques: Expressing, Control, RNA Sequencing, Membrane, Derivative Assay, Two Tailed Test, Knock-Out, Over Expression

    (A) Venn diagram showing the seven shared transcriptional cofactors between the ENCODE ChIP-seq and CHEA ChIP-seq datasets. The genes are categorized into functional terms and noted. (B) Genomic information of the FAM84B gene obtained from the UCSC Genome Browser. Transcription cofactor clusters identified from the ENCODE ChIP-seq data, with those likely to bind to the regulatory elements of FAM84B, as identified by FANTOM5, highlighted. (C) Levels of phosphorylated STAT3 (Y705) in the cerebral cortex of HC (n=3) and patients with VD (n=3), CBD (n=3), PSP (n=4), PART (n=3), and AD (n=6). (D) Levels of phosphorylated STAT3 (Y705) and total STAT3 in iPSC-derived CN from HC and patients with AD (n=3 each). (E) Levels of phosphorylated STAT3 (Y705), total STAT3, FAM84B, and actin in SH-SY5Y cells treated with either control vehicle or IL-6 (n=3 each). (F) Changes in the levels of phosphorylated STAT3 (Y705), total STAT3, FAM84B, and actin in SH-SY5Y cells expressing STAT3-WT or STAT3-DN in response to treatment with either control vehicle or IL-6 (n=3 each). (G) PHF-1 spread from Tau-p2a-eGFP expressing SH-SY5Y cells to neighboring cells in response to treatment with either control vector or IL-6 (n=4 each). Arrows indicate recipient cells (red) to which tau has been transmitted. Solid boxes in the images indicate magnified areas. (H) PHF-1 spread from IL-6 treated SH-SY5Y cells expressing Tau-p2a-eGFP to neighboring cells in response to treatment with either DMSO or dantrolene (n=4 each). Arrows indicate recipient cells (red) to which tau has been transmitted. Solid boxes in the images indicate magnified areas. (I) Changes in the levels of PHF-1, total tau, phosphorylated STAT3 (Y705), total STAT3, FAM84B (FAM84B-Myc), RYR3, and actin in iPSC-derived CN from HC after infection with AAV and subsequent treatments (n=3 each). (J) Changes in the levels of phosphorylated tau (T181 and S396) in the CM of iPSC-derived CN from HC after infection with AAV and subsequent treatments (n=8 each). In (I–J), the experimental groups are: (1) CN infected with AAV containing tau, (2) CN infected with AAV containing tau and FAM84B-Myc, (3) CN infected with AAV containing tau and treated with IL-6 and TNF-α, (4) CN infected with AAV containing tau and FAM84B-Myc and treated with dantrolene, and (5) CN infected with AAV containing tau, treated with IL-6 and TNF-α, followed by treatment with dantrolene. Results are presented as mean ± SEM. Statistical analyses: (C) ordinary two-way ANOVA; (D-J) unpaired two-tailed t -test with Welch’s correction; ns: not significant, *p < 0.05, **p < 0.01, and ***p < 0.001. Abbreviations: HC, healthy control; VD, vascular dementia; CBD, corticobasal degeneration; PSP, progressive supranuclear palsy; PART, primary age-related tauopathy; AD, Alzheimer’s disease; CN, cortical neuron; WT, wild type; DN, dominant negative; PHF-1, phosphorylated tau at S396/S404 residue; FOV, field of view; AAV, adeno-associated virus; CM, conditioned media.

    Journal: bioRxiv

    Article Title: FAM84B facilitates tau propagation via RYR3-mediated exocytosis in response to neuroinflammation

    doi: 10.64898/2025.12.28.696549

    Figure Lengend Snippet: (A) Venn diagram showing the seven shared transcriptional cofactors between the ENCODE ChIP-seq and CHEA ChIP-seq datasets. The genes are categorized into functional terms and noted. (B) Genomic information of the FAM84B gene obtained from the UCSC Genome Browser. Transcription cofactor clusters identified from the ENCODE ChIP-seq data, with those likely to bind to the regulatory elements of FAM84B, as identified by FANTOM5, highlighted. (C) Levels of phosphorylated STAT3 (Y705) in the cerebral cortex of HC (n=3) and patients with VD (n=3), CBD (n=3), PSP (n=4), PART (n=3), and AD (n=6). (D) Levels of phosphorylated STAT3 (Y705) and total STAT3 in iPSC-derived CN from HC and patients with AD (n=3 each). (E) Levels of phosphorylated STAT3 (Y705), total STAT3, FAM84B, and actin in SH-SY5Y cells treated with either control vehicle or IL-6 (n=3 each). (F) Changes in the levels of phosphorylated STAT3 (Y705), total STAT3, FAM84B, and actin in SH-SY5Y cells expressing STAT3-WT or STAT3-DN in response to treatment with either control vehicle or IL-6 (n=3 each). (G) PHF-1 spread from Tau-p2a-eGFP expressing SH-SY5Y cells to neighboring cells in response to treatment with either control vector or IL-6 (n=4 each). Arrows indicate recipient cells (red) to which tau has been transmitted. Solid boxes in the images indicate magnified areas. (H) PHF-1 spread from IL-6 treated SH-SY5Y cells expressing Tau-p2a-eGFP to neighboring cells in response to treatment with either DMSO or dantrolene (n=4 each). Arrows indicate recipient cells (red) to which tau has been transmitted. Solid boxes in the images indicate magnified areas. (I) Changes in the levels of PHF-1, total tau, phosphorylated STAT3 (Y705), total STAT3, FAM84B (FAM84B-Myc), RYR3, and actin in iPSC-derived CN from HC after infection with AAV and subsequent treatments (n=3 each). (J) Changes in the levels of phosphorylated tau (T181 and S396) in the CM of iPSC-derived CN from HC after infection with AAV and subsequent treatments (n=8 each). In (I–J), the experimental groups are: (1) CN infected with AAV containing tau, (2) CN infected with AAV containing tau and FAM84B-Myc, (3) CN infected with AAV containing tau and treated with IL-6 and TNF-α, (4) CN infected with AAV containing tau and FAM84B-Myc and treated with dantrolene, and (5) CN infected with AAV containing tau, treated with IL-6 and TNF-α, followed by treatment with dantrolene. Results are presented as mean ± SEM. Statistical analyses: (C) ordinary two-way ANOVA; (D-J) unpaired two-tailed t -test with Welch’s correction; ns: not significant, *p < 0.05, **p < 0.01, and ***p < 0.001. Abbreviations: HC, healthy control; VD, vascular dementia; CBD, corticobasal degeneration; PSP, progressive supranuclear palsy; PART, primary age-related tauopathy; AD, Alzheimer’s disease; CN, cortical neuron; WT, wild type; DN, dominant negative; PHF-1, phosphorylated tau at S396/S404 residue; FOV, field of view; AAV, adeno-associated virus; CM, conditioned media.

    Article Snippet: Following blocking, membranes were incubated overnight at 4°C with primary antibodies (1:1,000 dilution), including: PHF-1 (Peter Davies Lab), Tau5 (Gail VW Johnson Lab), Tau (Dako, Agilent Technologies, Inc., 0024), Myc-tag (Cell Signaling Technology, 2276), FAM84B (OriGene, TA501992; Proteintech Group, Inc., Rosemont, IL, USA, 18421-1-AP), Alix (Cell Signaling Technology, 2171), Caveolin-1 (Cell Signaling Technology, 3267), RYR3 (Alomone Labs, Jerusalem, Israel, ARR003), Clathrin-heavy chain (CHC, Cell Signaling Technology, 4796), EEA1 (Cell Signaling Technology, 3288), Rab5 (Cell Signaling Technology, 3547), Rab7 (Cell Signaling Technology, 9367), Rab9 (Cell Signaling Technology, 5118), Rab11 (Cell Signaling Technology, 5589), pSTAT3 (Y705) (Cell Signaling Technology, 9145), STAT3 (Cell Signaling Technology, 9139), p62 (Cell Signaling Technology, 8025), LC3 (Cell Signaling Technology, 3868), HSP70 (Cell Signaling Technology, 4876), LAMP-1 (BD Biosciences, Franklin Lakes, NJ, USA, 611042), LAMP-2 (Sigma-Aldrich, L0668), and beta-actin (Merck Millipore, MAB1501).

    Techniques: ChIP-sequencing, Functional Assay, Derivative Assay, Control, Expressing, Plasmid Preparation, Infection, Two Tailed Test, Dominant Negative Mutation, Residue, Virus

    Effect of blocking L-type calcium channels with nifedipine and ryanodine receptors with dantrolene on ATP and BzATP-induced peak [Ca 2+ ] i . Cultured rat conjunctival goblet cells were preincubated with nifedipine (Nif) (10 −5 M) for 15 min and/or dantrolene (Da) (10 −5 M) for 30 min before stimulation with ATP (10 −5 M) ( A ) or BzATP (10 −4 M) ( B ). A and B : the average [Ca 2+ ] i over time. Arrows represent the addition of agonists. C : the peak increase of [Ca 2+ ] i above baseline. ATP: bars to the left of the central vertical dotted line in C , BzATP: bars to the right of the central vertical dotted line in C . Data are presented as means ± SE. n = 3. BzATP, benzoylbenzoyl-ATP; [Ca 2+ ] i , intracellular calcium concentration. *Statistically significant difference from agonist alone.

    Journal: American Journal of Physiology - Cell Physiology

    Article Title: Purinergic agonists increase [Ca 2+ ] i in rat conjunctival goblet cells through ryanodine receptor type 3

    doi: 10.1152/ajpcell.00291.2024

    Figure Lengend Snippet: Effect of blocking L-type calcium channels with nifedipine and ryanodine receptors with dantrolene on ATP and BzATP-induced peak [Ca 2+ ] i . Cultured rat conjunctival goblet cells were preincubated with nifedipine (Nif) (10 −5 M) for 15 min and/or dantrolene (Da) (10 −5 M) for 30 min before stimulation with ATP (10 −5 M) ( A ) or BzATP (10 −4 M) ( B ). A and B : the average [Ca 2+ ] i over time. Arrows represent the addition of agonists. C : the peak increase of [Ca 2+ ] i above baseline. ATP: bars to the left of the central vertical dotted line in C , BzATP: bars to the right of the central vertical dotted line in C . Data are presented as means ± SE. n = 3. BzATP, benzoylbenzoyl-ATP; [Ca 2+ ] i , intracellular calcium concentration. *Statistically significant difference from agonist alone.

    Article Snippet: Cells were incubated with monoclonal mouse anti-RyR1/2 antibody (Thermo Fisher Scientific, Cat. No. MA3-916, RRID:AB_2183054) or rabbit anti-RyR3 antibody (Alomone Labs, Cat. No. ARR-003, RRID:AB_2040186) at a 1:50 or 1:100 dilution overnight at 4°C.

    Techniques: Blocking Assay, Cell Culture, Concentration Assay

    RT-qPCR of the ryanodine receptor 3 (RyR3) subtype in rat and human conjunctival goblet cells (CGCs). Total RNA was isolated from rat and human CGCs and reverse-transcribed. cDNA amplification confirmed the presence of RyR3 mRNA in rat ( A ) but not in human ( B ) CGCs. Relative amount of RyR3 transcript compared with glyceraldehyde-3-phosphate dehydrogenase (GAPDH) was measured by quantitative PCR and is shown on y -axis. n = 3. RT-qPCR, quantitative reverse transcription polymerase chain reaction. *Statistically significant difference from 0.

    Journal: American Journal of Physiology - Cell Physiology

    Article Title: Purinergic agonists increase [Ca 2+ ] i in rat conjunctival goblet cells through ryanodine receptor type 3

    doi: 10.1152/ajpcell.00291.2024

    Figure Lengend Snippet: RT-qPCR of the ryanodine receptor 3 (RyR3) subtype in rat and human conjunctival goblet cells (CGCs). Total RNA was isolated from rat and human CGCs and reverse-transcribed. cDNA amplification confirmed the presence of RyR3 mRNA in rat ( A ) but not in human ( B ) CGCs. Relative amount of RyR3 transcript compared with glyceraldehyde-3-phosphate dehydrogenase (GAPDH) was measured by quantitative PCR and is shown on y -axis. n = 3. RT-qPCR, quantitative reverse transcription polymerase chain reaction. *Statistically significant difference from 0.

    Article Snippet: Cells were incubated with monoclonal mouse anti-RyR1/2 antibody (Thermo Fisher Scientific, Cat. No. MA3-916, RRID:AB_2183054) or rabbit anti-RyR3 antibody (Alomone Labs, Cat. No. ARR-003, RRID:AB_2040186) at a 1:50 or 1:100 dilution overnight at 4°C.

    Techniques: Quantitative RT-PCR, Isolation, Reverse Transcription, Amplification, Real-time Polymerase Chain Reaction, Polymerase Chain Reaction

    Proposed regulation of intracellular calcium levels by ryanodine receptor 3 (RyR3) in cultured rat conjunctival goblet cells. ATP and BzATP may increase [Ca 2+ ] i : 1 ) directly by activating RyR3, 2 ) by activating purinergic 1 (P1) receptors after the enzymatic conversion to metabolites, 3 ) by the activation of purinergic 2 (P2) receptors directly, and 4 ) by activating L-type calcium channels through membrane depolarization. These mechanisms can then either directly increase [Ca 2+ ] i through the influx of extracellular Ca 2+ and/or through the activation of RyR3 on an intracellular compartment such as the ER to release Ca 2+ . BzATP, benzoylbenzoyl-ATP; [Ca 2+ ] i , intracellular calcium concentration; CGCs, conjunctival goblet cells; CICR, calcium-induced calcium release.

    Journal: American Journal of Physiology - Cell Physiology

    Article Title: Purinergic agonists increase [Ca 2+ ] i in rat conjunctival goblet cells through ryanodine receptor type 3

    doi: 10.1152/ajpcell.00291.2024

    Figure Lengend Snippet: Proposed regulation of intracellular calcium levels by ryanodine receptor 3 (RyR3) in cultured rat conjunctival goblet cells. ATP and BzATP may increase [Ca 2+ ] i : 1 ) directly by activating RyR3, 2 ) by activating purinergic 1 (P1) receptors after the enzymatic conversion to metabolites, 3 ) by the activation of purinergic 2 (P2) receptors directly, and 4 ) by activating L-type calcium channels through membrane depolarization. These mechanisms can then either directly increase [Ca 2+ ] i through the influx of extracellular Ca 2+ and/or through the activation of RyR3 on an intracellular compartment such as the ER to release Ca 2+ . BzATP, benzoylbenzoyl-ATP; [Ca 2+ ] i , intracellular calcium concentration; CGCs, conjunctival goblet cells; CICR, calcium-induced calcium release.

    Article Snippet: Cells were incubated with monoclonal mouse anti-RyR1/2 antibody (Thermo Fisher Scientific, Cat. No. MA3-916, RRID:AB_2183054) or rabbit anti-RyR3 antibody (Alomone Labs, Cat. No. ARR-003, RRID:AB_2040186) at a 1:50 or 1:100 dilution overnight at 4°C.

    Techniques: Cell Culture, Activation Assay, Membrane, Concentration Assay

    KEY RESOURCES TABLE

    Journal: Cell reports

    Article Title: Lidocaine induces apoptosis in head and neck squamous cell carcinoma through activation of bitter taste receptor T2R14

    doi: 10.1016/j.celrep.2023.113437

    Figure Lengend Snippet: KEY RESOURCES TABLE

    Article Snippet: Taqman Assay for RYR3 , ThermoFisher , Hs00168821_m1.

    Techniques: Virus, Recombinant, Reverse Transcription, DC Protein Assay, Western Blot, CRISPR, Control, Expressing, TaqMan Assay, shRNA, Software

    KEY RESOURCES TABLE

    Journal: Cell reports

    Article Title: Lidocaine induces apoptosis in head and neck squamous cell carcinoma through activation of bitter taste receptor T2R14

    doi: 10.1016/j.celrep.2023.113437

    Figure Lengend Snippet: KEY RESOURCES TABLE

    Article Snippet: Taqman Assay for RYR3 , ThermoFisher , Hs00168821_m1.

    Techniques: Virus, Recombinant, Reverse Transcription, DC Protein Assay, Western Blot, CRISPR, Control, Expressing, TaqMan Assay, shRNA, Software