EMBO/SourceData huggingface dataset:
Figure 4 (A-B) Macroscopic evaluation (A) and tumor volume (mock, n = 7 biological replicates; OTUD1, n = 9 biological replicates; OTUD1C320S, n = 9 biological replicates; mean ± s.e.m., ***P < 0.001, two-tailed unpaired Student's t-test) (B) of mock, OTUD1 and OTUD1C320S expressing CT26 tumors in BALB/c mice.  Macroscopic evaluation of mock and OTUD1 expressing LLC tumors in C57BL/6 mice.  tumor volume (n=6 biological replicates, mean ± s.e.m., **P < 0.01, ***P = 0.0007, two-tailed unpaired Student's t-test) of mock and OTUD1 expressing LLC tumors in C57BL/6 mice.  survival analysis (n=5 biological replicates, **P = 0.0021, Log-rank (Mantel-Cox) test) of mock and OTUD1 expressing LLC tumors in C57BL/6 mice.  (F) Endogenous IREB2 and TFRC protein levels in murine CT26 tumors were measured by anti-IREB2 antibody and anti-TFRC antibody.  (G) Flow cytometric analysis of TFRC expression in mock (n = 4 biological replicates), OTUD1 (n = 6 biological replicates) and OTUD1C320S (n = 5 biological replicates) expressing CT26 tumors. MFI, mean fluorescence intensity (mean ± s.e.m., **P < 0.01, two-tailed unpaired Student's t-test).  (H) Flow cytometric analysis of TFRC expression in mock or OTUD1 expressing LLC tumors. MFI, mean fluorescence intensity. (n = 5 biological replicates, mean ± s.e.m., **P = 0.0011, two-tailed unpaired Student's t-test).  (I) Iron concentration of mock, OTUD1 and OTUD1C320S tumors was assessed by Inductively Coupled Plasma Mass Spectrometry (n = 3 biological replicates, mean ± s.e.m., *P = 0.0237, **P = 0.0098, two-tailed unpaired Student's t-test).  (J)Analysis of tumor infiltrating CD8+ T cells or CD4+ T cells in mock (n = 4 biological replicates), OTUD1 (n = 6 biological replicates) and OTUD1C320S (n = 5 biological replicates) expressing CT26 tumors in BALB/c mice (mean ± s.e.m., **P < 0.01, ***P < 0.001, two-tailed unpaired Student's t-test).  Flow cytometric analysis of CD8+ T cells, CD4+ T cells (n = 6 biological replicates, mean ± s.e.m., ns, not significant (P > 0.05), ***P = 0.0003, two-tailed unpaired Student's t-test) isolated from mock and OTUD1 overexpressing LLC tumors.  PD-1 expression in T cells (n = 6 biological replicates, mean ± s.e.m., ns, not significant (P > 0.05), ***P < 0.0001, two-tailed unpaired Student's t-test) isolated from mock and OTUD1 overexpressing LLC tumors. MFI, mean fluorescence intensity.
Figure 5 A) Quantitative proteomics study of wild-type (WT) and OTUD1─/─ NCM460 cells. The expression of TFRC and IREB2 were highlighted with red color. Intensity indicates label-free quantification (LFQ) intensity of proteins in mass spectrometry.  (B) Wild-type (WT) and OTUD1─/─ NCM460 cells were treated with indicated concentration of H2O2 for 24 hours and cell viability was measured by PI staining (n = 3 biological replicates, mean ± s.e.m., *P < 0.05, **P < 0.01, two-tailed unpaired Student's t-test).  (C) CT26 cells stably expressing mock or OTUD1 were treated with 200 μM H2O2 together with various cell death inhibitors containing Fer-1 (10 μM), Z-VAD (25 μM) and nec-1 (20 μM). Cell viability was measured by PI staining n = 3 biological replicates, mean ± s.e.m., ns, not significant (P > 0.05), *P = 0.0119, **P = 0.0015, ***P < 0.001, two-tailed unpaired Student's t-test).  (D) CT26 cells stably expressing mock, OTUD1 or OTUD1C320S were treated with Erastin (10 μM) and RSL3 (5 μM), and cell viability was measured by PI staining (n = 3 biological replicates, mean ± s.e.m., ns, not significant (P > 0.05), **P < 0.01, two-tailed unpaired Student's t-test).  (E) Wild-type (WT) and OTUD1─/─ NCM460 cells were treated with Erastin (10 μM) and RSL3 (5 μM) for 24 hours and cell viability was measured by PI staining (n = 3 biological replicates, mean ± s.e.m., **P = 0.0082, ***P < 0.001, two-tailed unpaired Student's t-test).  F) Intracellular ROS levels in mock, OTUD1 and OTUD1C320S overexpressing CT26 cells treated with Erastin (10 μM), AFC (50 μM) or H2O2 (100 μM) were detected by DCFDA staining. MFI, mean fluorescence intensity (n = 2 biological replicates).  (G) Intracellular ROS levels in mock (n = 4 biological replicates), OTUD1 (n = 6 biological replicates) or OTUD1C320S (n = 5 biological replicates) expressing CT26 tumors (mean ± s.e.m., *P = 0.0189, **P = 0.0086, two-tailed unpaired Student's t-test) were detected by DCFDA staining. MFI, mean fluorescence intensity.  (I) Tumor volume (mock, n = 4 biological replicates; mock + NP-VE, n = 6 biological replicates; OTUD1, n = 4 biological replicates; OTUD1 + NP-VE, n = 6 biological replicates  Flow cytometric analysis of DCFDA (n = 4 biological replicates, mean ± s.e.m., ***P < 0.001, two-tailed unpaired Student's t-test) of mock or OTUD1 expressing CT26 tumors treated with or without NP-VE. MFI, mean fluorescence intensity.  Flow cytometric analysis of the percentage of tumor infiltrating CD8+ T cells (n = 4 biological replicates, mean ± s.e.m., *P = 0.0433, ***P = 0.0001, two-tailed unpaired Student's t-test) of mock or OTUD1 expressing CT26 tumors treated with or without NP-VE.
Figure 6 CT26 cells stably expressing mock or OTUD1 were treated with 5 μM RSL3, and medium was collected to measure ATP level (n = 4 biological replicates, mean ± s.e.m., ***P < 0.0001, two-tailed unpaired Student's t-test).  wild-type (WT) or OTUD1─/─ NCM460 cells were treated with 5 μM RSL3, and medium was collected to measure ATP level (n = 4 biological replicates, mean ± s.e.m., ***P < 0.0001, two-tailed unpaired Student's t-test).  (C) Volcano plots of genes differentially expressed in tumor interstitial fluid (TIF) of mock and OTUD1 expressing CT26 tumors. Left, example of genes downregulated in OTUD1 overexpressing tumor interstitial fluid; right, example of genes upregulated in OTUD1 overexpressing tumor interstitial fluid.  (D) Immunoblot analysis of protein levels of HMGB1, HSP70 and HSP90 in tumor interstitial fluid of mock, OTUD1 and OTUD1C320S expressing CT26 tumors.  (E) ATP level in tumor interstitial fluid (TIF) of mock or OTUD1 overexpressing CT26 cells (n = 5 mice, mean ± s.e.m., ***P < 0.001, two-tailed unpaired Student's t-test).  (F and G) BALB/c mice were immunized with 1×106 OTUD1 expressing or mock CT26 cells in the left flank and challenged with 2×106 wild-type CT26 cells in the right flank 10 days later. Macroscopic evaluation (F) and tumor volume (n=7 mice, mean ± s.e.m., **P = 0.0053, two-tailed unpaired Student's t-test) (G) of tumors in the right flank were shown.
Figure 7 (A) Representative pictures of colon tumors in AOM/DSS-induced Colitis-Associated Cancer (CAC) model (n = 6 biological replicates).  (B and C) The tumor load (B) or tumor number (C) in the whole colon was measured (n = 12 biological replicates, mean ± s.e.m., *P = 0.0431, **P = 0.003, two-tailed unpaired Student's t-test).  (D) Representative H&E (Hematoxylin-eosin) staining pictures of colon tumors (The scale bars represent 1000 μm).  (E) Flow cytometric analysis of TFRC expression in intestinal epithelial cells (IECs) from wild-type (WT) and Otud1─/─ mice treated with AOM/DSS. MFI, mean fluorescence intensity. (n = 4 biological replicates, mean ± s.e.m., **P = 0.0062, two-tailed unpaired Student's t-test).  (F) GSEA of genes expressed in colon tissues from wild-type (WT) and Otud1─/─ mice treated with AOM/DSS (n = 3 biological replicates). ES, enrichment score; NES, normalized enrichment score.  (G) Representative immunohistochemistry staining pictures of CD3+ T cells in colon tumors (The scale bars represent 400 μm ).  (H) Flow cytometric analysis of various T cell subsets in lamina propria mononuclear cells (LPMC) isolated from wild-type (WT) and Otud1─/─ mice treated with AOM/DSS (n = 5 biological replicates, mean ± s.e.m., **P = 0.0025, ***P = 0.0005, two-tailed unpaired Student's t-test).  (I) Intracellular ROS levels in colon tissues from wild-type (WT) or Otud1─/─ mice treated with AOM/DSS (n = 4 biological replicates, mean ± s.e.m., **P = 0.0072, two-tailed unpaired Student's t-test) were detected by DCFDA staining. MFI, mean fluorescence intensity.  (J) ATP level in tumor interstitial fluid (TIF) of mice treated with AOM/DSS (n = 4 biological replicates, mean ± s.e.m., *P = 0.0292, two-tailed unpaired Student's t-test).
Figure 1B. Semi-quantitative PCR of miR-132 and negative control miRNAs in the hippocampus of antagomiR-132-injected mice (ant-132) in comparison to control-injected animals (aCSF and scramble) at six months of age. Sample size, n=9 per group.C. FISH of miR-132 and negative control miR-124 in the hippocampus of ant-132- and scramble-injected mice. Scramble probes were used as FISH negative controls. Scale bar, 500μm.D. Semi-quantitative PCR of miR-132 and miR-212 in the hippocampus of 3-month old miR-132 mimic-injected mice (miR-132) compared to animals injected with a negative control oligonucleotide (Ctr). Sample size, n=6 per group.
Figure 2A. Amyloid staining (6E10) combined with miR-132FISH in ant-132- and scramble-injected mice at six months of age. Scale bar, 500 μm. B. Quantification of amyloid burden in hippocampus and cortex of ant-132-injected and control animals (see Materials and Methods). Sample size, n=4 per group.C, D. ELISA of soluble (TBS) and insoluble (Formic acid) Aβ40 and Aβ42 levels in the hippocampus of ant-132- (C) and miR-132-injected (D) animals at six and three months of age, respectively. Sample size, n=6 per group.
Figure 4B. Positive hits were validated by semi-quantitative qPCR in ant-132-injected mousehippocampus. Black line indicates mean of scramble control set to 1. Dashed line indicates chosen threshold of 1.3-fold. Sample size, n=9 per group. Values were normalized to scramble-injected group and presented as mean ± SEM.
Figure 5A. Luciferasereporter assay of wild-type (wt) and mutant (mut) ITPKB 3'UTR in HEK293 cells co-transfected with a synthetic miR-132 (miR-132) or a negative control (Neg Ctr) oligonucleotide.B. ELISA of Aβ40 and Aβ42 levels in HEK293-APPswecells transfected with a miR-132 antisense oligonucleotide (miR-132 inh), an siRNA against ITPKB (ITPKB siRNA) or both. The assays in A and B were performed in three independent experiments, each in triplicates.C. Western blot analysis of ITPKB knock down in APPPS1hippocampus using an siRNA oligonucleotide against ITPKB. Sample size, n=6 per group. Values were normalized to control-injected group (Ctr) and presented as mean ± SEM.D. ELISA of insoluble (Formic acid-soluble) Aβ40 and Aβ42 levels in the hippocampus of ITPKB siRNA- and control-injected animals at three months of age. Sample size, n=6 per group. Values were normalized to control group and presented as mean ± SEM.E, F. Western blot analysis of ITPKB levels upon miR-132 down- (E) or up-regulation (F) at six and three months of age, respectively. Sample size, n=9 per group for miR-132 down regulation and n=6 per group for miR-132 overexpression. Values were normalized to control groups and presented as mean ± SEM.
Figure 6Western blot analysis of CTFβ (A) levels upon miR-132 down- (ant-132) (left panel) or upregulation (miR-132) (right panel) in APPPS1hippocampus at six and three months of age, respectively. Sample size, n=9 per group for miR-132 down regulation and n=6 per group for miR-132 overexpression. Values were normalized to respective control groups and presented as mean ± SEM. The Student's t-test was used.Western blot analysis of sAPPβ-swe (B) levels upon miR-132 down- (ant-132) (left panel) or upregulation (miR-132) (right panel) in APPPS1hippocampus at six and three months of age, respectively. Sample size, n=9 per group for miR-132 down regulation and n=6 per group for miR-132 overexpression. Values were normalized to respective control groups and presented as mean ± SEM. The Student's t-test was used.Western blot analysis of phosphorylated ERK1/2 (pERK1/2) (C) levels upon miR-132 down- (ant-132) (left panel) or upregulation (miR-132) (right panel) in APPPS1hippocampus at six and three months of age, respectively. Sample size, n=9 per group for miR-132 down regulation and n=6 per group for miR-132 overexpression. Values were normalized to respective control groups and presented as mean ± SEM. The Student's t-test was used.
Figure 7A. Double immunofluorescence staining of amyloid plaques (6E10) and ITPKB in AD prefrontal cortex. Scale bar, 50 μm. Arrowheads indicate ITPKB immunopositivity.B. miR-132FISH coupled with double immunofluorescence against hyperphosphorylated TAU (AT8)-containing neurofibrillary tangles (NFTs) and ITPKB in AD prefrontal cortex. miR-124 was used as a control. Scale bar, 50 μm.C. Quantification of miR-132, ITPKB and hyperphosphorylated TAU (pTAU) signal in single neurons. Integrated intensity values of each signal per cell were normalized to the mean integrated density of each signal across all the cells analyzed (see Materials and Methods). Sample size (AD patients), n=3. Values are presented as mean ± SEM. Two-way Anova was used. Quantifications are summarized in the table provided. Arrow directions refer to the comparison of each normalized signal to the same signal in the other group (in the "low miR-132" group comparisons are made to the "high miR-132" group and vice versa).
Figure 1A Dose-response binary food choice assay of saponin (n ≥ 4).B Dose response curve of tip recordings using the indicated concentrations of saponin on S6 sensilla (n ≥ 8).C Sample traces of saponin-induced action potentials in (B).D Dose response curve for sugar inhibition using the indicated concentrations of saponin with 100 mM sucrose on L4 sensilla (n ≥ 8). E Sample traces from (D). The asterisks indicate significant differences from that of the control detected by a single-factor ANOVA with Scheffe's analysis as a post hoc test to compare two sets of data (**P < 0.01). The error bars represent SEMs.
Figure 2A Binary food choice assay with 26 Gr mutants for 5% saponin (n ≥ 4). The error bars represent SEMs.B Concentration-dependent avoidance of saponin in control, Gr28bMi and Gr28b Df/ Gr28bMi (n ≥ 4).C Amount of ingestion calculated at the indicated time points (15, 30, 60, and 240 min) using spectrophotogram analysis for control and 5% saponin-containing food (n = 8).D, E PER assay for control and Gr28bMi flies in the (D) legs or (E) proboscis. Flies were initially given 2% sucrose, then 2% sucrose in combination with 5% saponin (n = 4). The error bars represent SEMs. The asterisks indicate significant differences from that of the control detected by a single-factor ANOVA with Scheffe's analysis as a post hoc test to compare two sets of data (*P < 0.05, **P < 0.01).
Figure 3A Mapping analysis of all the sensilla following stimulation with 5% saponin in control and Gr28bMi flies (we followed Tanimura's nomenclature) (n ≥ 8). The error bars represent SEMs. The asterisks indicate significant differences from that of the control detected by a single-factor ANOVA with Scheffe's analysis to compare two sets of data (*P < 0.05, **P < 0.01).B Sample traces of saponin-induced action potentials on S6 sensilla.C Tip recording analysis of S6 sensilla from control and Gr28bMi flies. Stimuli used are 0.2% DEET, 1.0 mM coumarin, 0.5 mM quinine, 10 mM umbelliferone, 10 mM caffeine, 0.3 mM strychnine, 0.3 mM lobeline, 0.1 mM chloroquine, 0.2 mM denatonium, 0.5 mM papaverine, 0.1 mM berberine and 0.1% SDS (n ≥ 7). The error bars represent SEMs.D Binary food choice assays were conducted after GRNs were ablated by expressing the cell death gene (hid), under Gr33a-GAL4 or Gr66a-GAL4. All heterozygote controls (UAS-hid/+, Gr33a-GAL4/+, and Gr66a-GAL4/+) are shown (n ≥ 4). The error bars represent SEMs. The asterisks indicate significant differences from that of the control detected by a single-factor ANOVA with Scheffe's analysis to compare two sets of data (*P < 0.05, **P < 0.01).E Tip recording analysis of the indicated S-type sensilla and genotypes (n ≥ 7). The error bars represent SEMs. The asterisks indicate significant differences from that of the control detected by a single-factor ANOVA with Scheffe's analysis to compare two sets of data (*P < 0.05, **P < 0.01).
Figure 4B RT-PCR analysis with the indicated primers in A for control and Gr28bMi flies with tubulin as a control. From left to right, the band of tubulin of wild-type, tubulin of Gr28bMi, DNA ladder, Gr28b of wild-type, and Gr28b of Gr28bMi.Each isoform from Gr28b.a to Gr28b.e was driven by Gr28b.a-GAL4 or Gr28b.c-GAL4 in a Gr28bMi background. The asterisks indicate significant differences from that of the Gr28b mutant detected by a single-factor ANOVA with Scheffe's analysis (**P < 0.01). C Binary food choice assay for recovery experiments with each of the five alternative Gr28b isoforms using the GAL4/UAS systems. (n ≥ 4).D Each isoform from Gr28b.a to Gr28b.e was driven by Gr28b.a-GAL4 or Gr28b.c-GAL4 in a Gr28bMi background. The asterisks indicate significant differences from that of the Gr28b mutant detected by a single-factor ANOVA with Scheffe's analysis (**P < 0.01). D Saponin-induced action potential frequencies from the indicated transgenic flies on S6 sensilla (n = 7).
Figure 5A Binary food choice assays were conducted after GRNs were ablated by expressing the cell death gene (hid), under Gr28b.c-GAL4 (n = 4).B Tip recording analysis of the indicated S-type sensilla and genotypes (n ≥ 7). The error bars represent SEMs. The asterisks indicate significant differences from that of the control detected by a single-factor ANOVA with Scheffe's analysis to compare two sets of data (**P < 0.01). C Expression of the Gr28b.c-GAL4 reporter in subsets of Gr66a-positive GRNs. First panel shows that all bitter responsive GRNs are labeled by Gr66a-I-GFP (anti-GFP, green). Second panel shows the expression of the Gr28b.c-GAL4, crossed with UAS-DsRed (anti-DsRed, red). Third panel shows merged image of first and second panels. Forth panel shows a schematic diagram of sensilla arrangement. Red-marked sensilla indicate the expression of Gr28b.c-GAL4 reporter in second panel. Scale bars represent 40 μm.
Figure 6A, B Survival rate of (A) control and (B) Gr28bMi adult raised on control and the indicated concentrations of saponin-containing cornmeal diet (n = 4).C, D Survival rate based on binary food choice. control and Gr28bMi were allowed to feed 100 mM fructose versus 100 mM (C) or 200 mM fructose (D) mixed with 5% or 7.5% saponin.E, F Cumulative pupation rate of (E) control and (F) Gr28bMi larvae raised on the indicated saponin-containing food as well as control food (n = 4). The error bars represent SEMs. The asterisks indicate significant differences from normal diet fed which were detected by a single-factor ANOVA with Scheffe's analysis (*P < 0.05, **P < 0.01).
Figure 1(A) miRNA abundance in RNA-sequencing samples from murine, porcine, and bovine oocytes Each graph shows on the y-axis reads per million of 19-32 nt reads for miRNAs and on the x-axis miRNAs ordered by name.(C) qPCR quantification of ssc-miR-205 and bta-miR-10b miRNAs in murine (M.m.), porcine (S.s.), and bovine (B.t.) oocytes, respectively. Shown are a mean values from three independent experiments. Error bars = SD. Detailed information concerning miRNA quantification is provided in the Methods section.
Figure 2(A) bta-miR-10b and ssc-miR-205 miRNAs efficiently repress microinjected NanoLuc luciferase reporters carrying a perfectly complementary (1x perfect) miRNA binding site or four partially complementary (bulged) miRNA binding sites. Error bars = SD. Each data point represents a value obtained from five microinjected oocytes. Data were collected in two microinjection sessions, each microinjection session used a new batch of in vitro transcribed reporter mRNAs. Data information: asterisks indicate statistical significance (p-value) of one-tailed t-test, (*p < 0.05, **p < 0.01, ***p < 0.001).(B) De-repression of predicted ssc-miR-205 targets. In three independent microinjection experiments, ssc-miR-205 was inhibited by a microinjected antisense oligonucleotide inhibitor and target levels were assessed 24 hours after microinjection by RT-qPCR. Error bars = SD. Data information: asterisks indicate statistical significance (p-value) of one-tailed t-test, (*p < 0.05, **p < 0.01, ***p < 0.001).(C) Inhibition of ssc-miR-205 by a microinjected antisense oligonucleotide inhibitor results in reduced development to the blastocyst stage. Shown is development of microinjected oocytes to the blastocyst stage relative to water-injected oocytes. Five independent experiments (represented by individual data points) were performed, ~50 porcine oocytes were microinjected in each group in each experiment. Difference between let-7a and miR-205 inhibitors effects is statistically significant (two-tailed paired t-test p-value = 0.016). Error bars = SD. Data information: asterisks indicate statistical significance (p-value) of one-tailed t-test, (*p < 0.05, **p < 0.01, ***p < 0.001).
Figure 4(A) ssc-miR-205 turnover. Fully-grown transcriptionally quiescent oocytes were cultured for indicated periods of time and selected miRNAs were quantified by RT-qPCR in four (ssc-let-7a), five (ssc-miR-22) or six (ssc-mir10b and ssc-miR-205) independent experiments. Error bars = SD.(B) Comparison of mean relative changes of miRNA level at 20 h of culture ssc-miR-205 in oocytes is less than ssc-miR-10b, ssc-miR-22, or ssc-let-7a. Error bars = SD. Asterisks indicate statistical significance (p-value) of one-tailed paired t-test, (*p < 0.05, **p < 0.01).(C) Treatment by sodium periodate followed by qPCR does not support 2'-OH modification of either ssc-miR-205 or bta-miR-10b miRNA. Shown are relative levels of the sodium periodate-treated samples to non-treated samples, which were set to one. The experiment was performed three times. Error bars = SD. Efficiency of periodate treatment was confirmed using non-methylated and methylated miR-221 RNA oligonucleotides(D) 3′ tailing of small RNAs in murine, bovine, and porcine oocytes Shown are percentages of miRNAs tailed at 3′ end with mono- and oligonucleotides.
Figure 1(A) In vivo fundusimage of an AAV-injected rd1mouse expressing ReaChR-mCitrine driven by the hSyn promoter (AAV2-hSyn:ReaChR-mCitrine); transduced RGCs are visible as green puncta.(B) Live 2-photon image showing that ReaChR-mCitrine expression is restricted to RGC-membranes and their dendritic processes.(C) Confocal image of a vertical retinal section expressing ReaChR-mCitrine. Endogenous mCitrine (mCit) fluorescence, is localized to RGCmembranes as well as RGCdendritic processes (see also Fig EV1A); blue: DAPI (to visualize retinalnuclei); inner nuclear layer (INL); inner plexiform layer (IPL) and ganglion cell layer (GCL); scale bars = 10 µm.
Figure 2(A) Light sensitivity: Photocurrents of a ReaChR-expressing RGC stimulated with varying light intensities at 590 nm (~1013 − 1018 photons cm-2 s-1).(B) ReaChR-induced photocurrents as a function of light intensity (590 nm, n = 7 cells, mean photocurrent amplitude at 4.2 × 1017 photons cm-2 s-1 was −349 ± 192 pA). At the bottom, the sensitivity range for wild-type cones (Nikonov et al, 2006) is shown in comparison to the sensitivity range of ReaChR expressing RGCs. The dashed blue and orange line indicate the maximum light intensities allowed in the human eye at 470nm and 590 nm, respectively (EU-Directive, 2006; ICNIRP, 2013).(C) Photocurrent action spectrum of a ReaChR-expressing RGC (1.2 × 1016 photons cm-2 s-1). (D) Normalized action spectrums of ReaChR-RGCs. Solid line represents patch-clamp data (n = 8 cells; 1.2 × 1016 photons cm-2 s-1). The mean photocurrent amplitude at 550 nm was −324 ± 97 pA. Dashed line represents multi-electrode array data (n = 168 cells; ~1016 photons cm-2 s-1).(E) Temporal properties. Modulation of ReaChR-induced photocurrents at increasing stimulation frequencies (patch-clamp recording from a ReaChR-expressing RGC; at 22 Hz magnified trace is shown; 1.3×1016 photons cm-2 s-1). (F) Spiking modulation ratio of ReaChR-RGCs quantified from multi-electrode array demonstrates reliable spike triggering at frequencies up to 30 Hz (297 cells, 1.3 × 1016 photons cm-2 s-1).