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Differential effects of early or late exposure to prenatal maternal immune activation on mouse embryonic neurodevelopment
<p>Exposure to maternal immune activation (MIA) in utero is a risk factor for neurodevelopmental and psychiatric disorders. MIA-induced deficits in adolescent and adult offspring have been well characterized, however, less is known about the effects of MIA-exposure on embryo development. To address this gap, we collected high-resolution ex vivo magnetic resonance imaging (MRI) of C57BL/6 mouse embryos (gestational day [GD]18) who were prenatally exposed to MIA either early (GD9) or late (GD17) in gestation. We further examined hippocampal neuroanatomy using electron microscopy and identified differential effects due to MIA-timing. </p> <p>The data published here was collected and analyzed for the following publication available as a preprint on BioRxiv (https://www.biorxiv.org/content/10.1101/2021.07.14.452084v2). Briefly, We identify striking neuroanatomical changes in the embryo brain, particularly in the late exposed offspring. An increase in apoptotic cell density was observed in the GD9 exposed offspring, while an increase in the density of dark neurons and glia, putative markers for increased neuroinflammation and oxidative stress, was observed in GD17 exposed offspring, particularly in females. Overall, our findings integrate imaging techniques across different scales to identify differential impact of MIA-timing on the earliest stages of neurodevelopment.</p> <p>In this dataset, you will find a total of <strong>187 preprocessed structural MRIs </strong>(in MINC format) of whole embryos at gestational day 18. These embryos were exposed to poly I:C or vehicle control (0.9% sterile saline) at GD9 or 17. A multi-channel 7.0-T MRI scanner with a 40 cm diameter bore (Varian Inc., Palo Alto, CA), with a custom-built 16-coil solenoid array was used to acquire T2-weighted, gadolinium enhanced structural images at 40 μm3 resolution images from 16 samples concurrently (3D fast spin echo sequence using a cylindrical k-space acquisition; TR/TE=350/12 ms, echo train length=6, two averages, field-of-view 20 mm x 20 mm x 25 mm, matrix size=504 x 504 x 630).</p> <p>An N4 correction for B1 bias field inhomogeneities and denoising using non-local means (minc_anlm) was applied to the T2-weighted images, and the background was set to zero using minc tools. The demographics information for each animal is included in the <strong>demographics.csv</strong> file. </p> <p>The dorsal hippocampus was selected as a region of interest in which the total number and density of total cells, dark neurons, dark glia, apoptotic cells were assessed (as presented in our manuscript). This is available in the <strong>EM_raw_data_per_slice.csv</strong> and <strong>EM_average_per_mouse.csv </strong>files. </p> <p>Included in this data set are the <strong>structural MRIs in MINC format</strong>, corresponding demographics information (<strong>demographics.csv</strong>), electron microscopy data from the dorsal hippocampus (<strong>EM_raw_data_per_slice.csv</strong> and <strong>EM_average_per_mouse.csv)</strong> data, and a <strong>readme.txt</strong> file providing further detail on the data structure and content, and on how to interpret the data column titles.The raw (not-preprocessed) MINC files, as well as MINC files cropped to the head of the embryos available upon request to the authors. </p> <p>Finally, the authors would like to acknowledge the funding bodies that supported the completion of this work including the Canadian Institute for Health Research, the Fonds de Recherche du Québec en Santé, and the Healthy Brains for Healthy Lives at McGill University.</p>
Pre- and post-oviposition behavioural strategies to protect eggs against extreme winter cold in an insect with maternal care
<p>Data set and R script supporting the publication entitled "<strong>Pre- and post-oviposition behavioural strategies to protect eggs against extreme winter cold in an insect with maternal care" </strong>by Jean-Claude Tourneur, Claire Cole, Jess Vickruck, Simon Dupont and Joël Meunier.</p> <ul> <li>Script Earwig oviposition - Zenodo v2.R = R script allowing to conduct the stats and obtain the figures presented in the manuscript</li> <li>Part I - Zenodo.txt = Data set of the first part of the experiment about the location of females and eggs until oviposition (included)</li> <li>Part II - Zenodo v2.txt = Data set of the second part of the experiment about the location of eggs after oviposition</li> <li>Readme.txt = details of the variables present in the 2 data sets</li> </ul>
Sublethal exposure to deltamethrin stimulates reproduction and has limited effects on post-hatching maternal care in the European earwig
<p>Data set and associated R script used to obtain the statistical results presented in the corresponding study.</p>
Longitudinal structural MRI, MRS, and behavioral data for mice prenatally exposed to maternal immune activation at gestational day 9
<p>Previous evidence from our lab (https://cobralab.ca/) and others suggest that prenatal exposure to maternal immune activation (MIA) can impact trajectories of neurodevelopment as measured through brain anatomy and behavior in mice. Yet, there are still open questions regarding the alterations to developmental trajectories, as well as the impact on brain chemistry, that this data set seeks to explore. The dataset presented here includes magnetic resonance imaging (MRI) and magnetic resonance spectroscopy (MRS) data from two timepoints, adolescence (postnatal day [PND 35]) and young adulthood (PND 60) in C57BL/6J mice prenatally exposed either to poly I:C (POL) inducing maternal immune activation (MIA) or saline (SAL) at gestational day (GD) 9. The dataset also includes three behaviors acquired after each scanning session with 2 days of rest between the scans and each behavior: open field test, social novel object preference test, and prepule inhibition. Finally, the data also include cytokine assays acquired from a separate sample of pregnant mice and a test-retest of MRS acquired from a voxel in the anterior cingulate area. </p> <p>The data here published were collected and analyzed for a paper under review, available as a preprint where more details can be found here: https://www.preprints.org/manuscript/202203.0136/v1. In brief, using whole-brain, voxelwise analysis techniques (deformation-based morphometry) we found MIA subtly altered developmental trajectories, reducing volume relative to SAL offspring in the hippocampus and the anterior, right caudate putamen, and increasing volume in the posterior, left caudate putamen and cerebellum. Additionally, there was a trending decrease of myo-inositol and GABA in MIA offspring at PND 60 compared to SAL controls. Finally, there was a trending decrease in ratio of distance travelled in the anxiogenic center zone of an open field compared to the outer areas at PND 35 for MIA offspring. </p> <p>In this dataset you will find a total of <strong>80 preprocessed structural MRIs</strong> in minc format acquired at postnatal day ~35 and ~60 in mice exposed to 5mg/kg poly I:C or vehicle control (0.9% sterile saline) at GD9. The images are included in CUPO_MIA_mncs.zip. These are T1-weighted structural images with two averages; repetition time (TR)/echo time (TE) = 21.55 ms/5.13 ms, matrix size = 260 x 158 x 210, voxel dimensions =&thinsp;70 µm isotropic, flip angle =&thinsp;20°, 23 min total using 5% isoflurane for induction, 1.5% for maintenance of anesthesia during the scan on a cryogenically-cooled surface coil. T1-weighted scans were preprocessed by stripping native coordinates, flipping left-right to maintain fidelity, denoising, correcting inhomogeneities in the bias field using the N4 algorithm, and registering in LSQ6 alignment (i.e. 6 degrees of freedom are allowed for imagine alignment: translations and rotations along x, y, and z dimensions). The demographics information for each animal is included in the <strong>demographics.csv</strong> file. </p> <p>Behavioural tests were performed following the postnatal day 35 and 60 scans in all animals with a 2 day rest period. These include: open field test, three chambered social approach, and prepulse inhibition. The data for all of these tests is presented in individual .csv spreadsheet and includes data for both the timepoints evaluated. Additionally, cytokine panels were collected from an independent cohort of 7 dams. <strong>MRS </strong>data are included in two formats: 1) preprocessed quantifications from LCModel software in csvs, and 2) raw data with press and press_w (respectively water supressed and unsupressed acquisitions) for analysis. The raw data were released in upload version 1.1.0. MRS was acquired from a 1.2 x 2.6 x 2.5 mm3 voxel in the ACA with a Point Resolved Spectroscopy sequence (PRESS; TR/TE=3000/8.5 ms, 256 averages). Within the raw_data.zip,</p> <p>Included in this data set are the structural MRIs in MINC format, the behavioural .csv data, the MRS data (csvs and raw files), and a <strong>README</strong> file providing further detail on the data structure and content, and on how to interpret the data column titles. DICOMS are also available for the structural MRI data, as are the raw (not-preprocessed) MINC files, available upon request to the authors. </p>
A Double-Edged Sword: Parental care increases risk of offspring infection by a maternally-vectored parasite
<p>Parental care can protect offspring from predators but can also create opportunities for parents to vector parasites to their offspring. We hypothesized that the risk of infection by maternally-vectored parasites would increase with the frequency of mother-offspring contact. Ammophila spp. wasps (Hymenoptera: Sphecidae) build nests in which they rear single offspring. Ammophila species exhibit varied offspring provisioning behaviors: some species enter the nest once to provision a single, large caterpillar, whereas others enter the nest repeatedly to provision with many smaller caterpillars. We hypothesized that each nest visit increases the risk of offspring parasitism by Paraxenos lugubris (Strepsiptera: Xenidae), whose infectious stages ride on the mother wasp (phoresy) to reach the vulnerable Ammophila offspring. We quantified parasitism risk by external examination of museum-curated Ammophila specimens—the anterior portion of P. lugubris protrudes between the adult host's abdominal sclerites and reflects infection during the larval stage. As predicted, Ammophila species that receive larger numbers of provisions incur greater risks of parasitism, with nest provisioning behavior explaining ca. 90% of the interspecific variation in mean parasitism. These findings demonstrate that parental care can augment, rather than reduce, risk of parasite transmission to offspring.</p>
Data from: Genetic, maternal, and environmental influences on sociality in a pedigreed primate population
<p>Various aspects of sociality in mammals (e.g., dyadic connectedness) are linked with measures of biological fitness (e.g., longevity). How within- and between-individual variation in relevant social traits arises in uncontrolled wild populations is challenging to determine but is crucial for understanding constraints on the evolution of sociality. We use an advanced statistical method, known as the 'animal model', which incorporates pedigree information, to look at social, genetic, and environmental influences on sociality in a long-lived wild primate. We leverage a longitudinal database spanning 20 years of observation on individually recognized white-faced capuchin monkeys (Cebus capucinus imitator), with a multi-generational pedigree. We analyze two measures of spatial association, using repeat sampling of 376 individuals (mean: 53.5 months per subject, range: 6-185 months per subject). Conditioned on the effects of age, sex, group size, seasonality , and El Niño–Southern Oscillation phases, we show low to moderate long-term repeatability (across years) of the proportion of time spent social (posterior mode [95% Highest Posterior Density interval]: 0.207 [0.169, 0.265]) and of average number of partners (0.144 [0.113, 0.181]) (latent scale). Most of this long-term repeatability could be explained by modest heritability (<em>h<sup>2</sup></em><sub>social</sub>: 0.152 [0.094, 0.207]; <em>h<sup>2</sup></em><sub>partners</sub>: 0.113 [0.076, 0.149]) with small long-term maternal effects (<em>m<sup>2</sup></em><sub>social</sub>: 0.000 [0.000, 0.045]; <em>m<sup>2</sup></em><sub>partners</sub>: 0.000 [0.000, 0.041]). Our models capture the majority of variance in our behavioral traits, with much of the variance explained by temporally changing factors, such as group of residence, highlighting potential limits to the evolvability of our trait due to social and environmental constraints.</p>
Data for Variation of human milk lactoferrin in relation to maternal-infant infection status among dyads from northern Kenya
<p><strong>Information about</strong><strong> Data</strong></p> <p> </p> <p>DOI: 10.5281/zenodo.6581038</p> <p>September 8, 2022</p> <p> </p> <p>Hello, and thanks for your interest in this data set.</p> <p> </p> <p>This file contains the data utilized for a journal manuscript, "Variation of human milk lactoferrin in relation to maternal-infant infection status among dyads from northern Kenya" by Nerli Paredes Ruvalcaba, Amelia N Odo, and Masako Fujita, under review for publication. Data are found under the Data tab, and the variable coding information under the Code tab.</p> <p> </p> <p>The data are for the concentrations of lactoferrin in mothers' milk and reported illnesses among 83 mother-infant dyads in Ariaal communities of northern Kenya. This is a subset of data on milk lactoferrin, characterized in the Biomarker Laboratory for Anthropological Research at Michigan State University in 2019, using cryogenically archived milk specimens. The milk specimens and other data on maternal and infant characteristics, including illness recalls, were originally collected in research among 241 mother-infant dyads by Masako Fujita in 2006 in collaboration with the Center for Public Health Research of Kenya Medical Research Institute (KEMRI) under approvals by the institutional review boards of the University of Washington and KEMRI.</p> <p> </p> <p>Please contact Fujita (masakof@msu.edu) for questions regarding the data.</p> <p> </p> <p>If you decide to use the data, please cite this file's DOI 10.5281/zenodo.6581038 and the above-mentioned manuscript upon publication, and acknowledge the following parties for grant support:</p> <p>National Science Foundation (BCS-0622358, BCS-1638167);</p> <p>Wenner-Gren Foundation (Gr. 7460, Gr. 9278);</p> <p>Provost Undergraduate Research Initiative Grant, Michigan State University; and </p> <p>African Futures Research Leadership Program of the Alliances for African Partnership, Michigan State University</p> <p> </p> <p>Thanks,</p> <p>Masako Fujita</p> <p> </p> <p>Masako Fujita, Associate Professor of Anthropology</p> <p>Michigan State University</p> <p>ORCID: 0000-0001-9173-6678</p> <p>Emaiil: masakof@msu.edu</p>
Investigating the "two-hit hypothesis": effects of prenatal maternal immune activation and adolescent cannabis use on neurodevelopment in mice
<p>Prenatal exposure to maternal immune activation (MIA) and chronic adolescent cannabis use have both been identified as environmental risk factors for neuropsychiatric disorders. However, most individuals exposed to a single risk factor do not typically develop major mental illness, which suggests that multiple exposures may be required for illness onset. Here, we examine whether combined exposure to prenatal MIA and adolescent delta-9-tetrahydrocannabinol (THC), the main psychoactive component of cannabis, lead to enduring neuroanatomical and behavioural changes in adult offspring, potentially reflecting changes in humans indicative of mental illness. </p> <p>Mice were prenatally exposed to a viral mimetic, poly I:C (5mg/kg), or vehicle at gestational day (GD)9, and then postnatally exposed to chronic THC (5mg/kg) or vehicle by intraperitoneal injections during adolescent development (postnatal day [PND]28-45). Longitudinal in vivo whole-brain magnetic resonance imaging (MRI) was performed pre-treatment, PND25, post-treatment, PND50, and in adulthood, PND85, followed by a series of behavioural tests aimed at assessing anxiety-like and locomotor, social, and sensorimotor gating behaviour. Post-mortem assessment of cannabinoid (CB)1 and 2 receptor expressing cells was performed in developmentally altered regions identified by MRI (anterior cingulate and somatosensory cortices, striatum, and hippocampus). We hypothesized that there would be differential, but synergistic effects of each exposure.</p> <p>Briefly, we found subtle deviations in neurodevelopmental trajectory and subthreshold anxiety-like behaviours were observed in mice exposed to both risk factors. Sex-dependent effects were observed in patterns of shared brain-behaviour covariation, suggesting that exposure to MIA and THC may affect males and females in different ways. Density of CB1 and CB2 receptor positive cells was significantly decreased in all regions assessed for all mice exposed to either one or both risk factors, relative to controls.</p> <p>These findings suggest that there may be a cumulative effect of risk factor exposure on gross neuroanatomical and behavioural development, and that the endocannabinoid system may be sensitive to both prenatal MIA, adolescent THC, or the combination. For full details, see our publication: .</p> <p>In this dataset, you will find a total of 243 preprocessed structural MRIs (in MINC format) acquired at postnatal day ~25, ~50, and ~85 in mice exposed to poly I:C or vehicle control (0.9% sterile saline) at GD9, and then postnatally treated with vehicle or THC from PND 28-45. These are T1-weighted structural images at 100 micron isotropic resolution acquired on a 7 Tesla Bruker Biospec 70/30; matrix size of 180 x 160 x 90; 14.5 minutes, 20 degrees and TE/TR of 4.5/20 ms (2 averages, ~14 minutes). Anesthesia was induced with 3% isoflurane in oxygen and a (0.075 mg/kg bolus) dexmedetomidine injection. Anesthesia was maintained during the scan between 1.5-0.5% isoflurane, and a constant infusion of dexmedetomidine (0.05mg/kg/h continuous mg/kg during scan). T1-weighted scans were preprocessed by stripping native coordinates, flipping left-right to maintain fidelity, denoising, correcting inhomogeneities in the bias field using the N4 algorithm, and registering in LSQ6 alignment (i.e. 6 degrees of freedom are allowed for imagine alignment: translations and rotations along x, y, and z dimensions). The demographics information for each animal is included in the demographics.csv file. </p> <p>Behavioural tests were performed following the postnatal day 85 scans in all animals with a 2 day rest period. These include: open field test, three chambered social approach, and prepulse inhibition. The data for all of these tests is presented in its own individual .csv spreadsheet.</p> <p>Included in this data set are the structural MRIs in MINC format, the behavioural .csv data, and a readme.txt file providing further detail on the data structure and content, and on how to interpret the data column titles. DICOMS are also available for the structural MRI data, as are the raw (not-preprocessed) MINC files, available upon request to the authors. </p> <p>Finally, the authors would like to acknowledge the funding bodies that supported the completion of this work including the Canadian Institute for Health Research, the Fonds de Recherche du Québec en Santé, and the Healthy Brains for Healthy Lives at McGill University.</p>
Genotypic sex shapes maternal care in the African Pygmy mouse, Mus minutoides
<p><span>Sexually dimorphic behaviours, such as parental care, have long been thought to be </span><span>mainly</span><span> driven by gonadal hormones. In the past two decades, a few studies have challenged this view, highlighting the direct influence of the sex chromosome complement (XX vs XY or ZZ vs ZW). The African pygmy mouse, </span><span>Mus minutoides</span><span>, is a wild mouse species with naturally occurring XY sex reversal induced by a third, feminizing X* chromosome, leading to three female genotypes: XX, XX* and X*Y. Here, we show that sex reversal in X*Y females shapes a divergent maternal care strategy (maternal aggression, pup retrieval and nesting behaviours) from both XX and XX* females. Although neuroanatomical investigations were inconclusive, we show that the dopaminergic system in the anteroventral periventricular nucleus of the hypothalamus is worth investigating further as it may support differences in pup retrieval behaviour between females. Combining </span><span>behaviours</span><span> and neurobiology in a rodent subject to natural selection, we evaluate potential candidates for the neural basis of maternal behaviours and strengthen the underestimated role of the sex chromosomes in shaping sex differences in brain and behaviours. All things considered, we further highlight the emergence of a third sexual phenotype, challenging the binary view of phenotypic sexes.</span></p>
Maternal effects 2018
<p>Data accompanying</p> <p><strong>Intergenerational fitness effects of the early life environment in a wild rodent (van Cann et al., 2019; Journal of Animal Ecology)</strong></p> <p> </p>
Figure 5 in Under pressure: maternal effects promote drought tolerance in progeny seed of Palmer amaranth (Amoronthus polmeri)
Figure 5. Shifts in distribution of base water potential of progeny seeds from two Amoronthus polmeri populations (California and Kansas) grown under contrasting maternal water conditions (continuous̜ ̜ ̹ water-deficit ̹ vs. well-watered). Seed germination was tested at two temperatures (20 and 30 C) under five water potentials. A hydrotime model, ̜ ̹ θ Equation 3, g w,t¼ Φ w ― H w,σ, was fit to estimate the median base water potentials, w (vertical dashed lines), and their respective standard deviations, σ, g tg bð50Þ wb bð50Þ wb to produce these probability density curves of normal distribution (see Table 1 for parameter estimates). Note that the area under the curve for base water potential values>0 indicates the proportion of seeds that have not germinated (i.e., dormancy level).
Figure 1 in Under pressure: maternal effects promote drought tolerance in progeny seed of Palmer amaranth (Amoronthus polmeri)
Figure 1. Plant height for Amoronthus polmeri populations (California and Kansas) grown under continuous water-deficit or well-watered irrigation conditions. Vertical lines on bars indicate SE.
Figure 4 in Under pressure: maternal effects promote drought tolerance in progeny seed of Palmer amaranth (Amoronthus polmeri)
Figure 4. The effect of maternal water conditions (continuous water-deficit vs. well-watered) on cumulative germination of progeny seeds in two Amoronthus polmeri populations (California and Kansas) tested under various water potentials at 30 C. Lines are fitted values obtained from the hydrotime model, Equation 3, ̜ ̹ ̜ ̜ ̹ ̹ g w,t¼ Φ w ― θH,w,σ, with parameter estimates shown in Table 1. g tg bð50Þ wb
Figure 3 in Under pressure: maternal effects promote drought tolerance in progeny seed of Palmer amaranth (Amoronthus polmeri)
Figure 3. The effect of maternal water conditions (continuous water-deficit vs. well-watered) on cumulative germination of progeny seeds in two Amoronthus polmeri populations (̜ California̜ ̹ and Kansas̹) tested under various water potentials at 20 C. Lines are fitted values obtained from the hydrotime model, Equation ̜ ̹ θ 3, g w,t¼ Φ w ― H, w, σb, with parameter estimates shown in Table 1. g tg bð50Þ w
Figure 2 in Under pressure: maternal effects promote drought tolerance in progeny seed of Palmer amaranth (Amoronthus polmeri)
Figure 2. Differences in 1,000-seed weight, seed surface area, and total germination (dormancy) of progeny seeds from two Amoronthus polmeri populations (California and Kansas) grown under continuous water-deficit (WD) or well-watered (WW) irrigation conditions. Vertical bars on data points indicate SE.
Data from: The more you get, the more you give: Positive cascading effects shape the evolutionary potential of prenatal maternal investment
<p>Data from 'The more you get, the more you give: Positive cascading effects shape the evolutionary potential of prenatal maternal investment'</p> <p> </p> <p>Description of variables in CME_dat.csv</p> <p>egg.mass - mean offspring egg mass (grams)</p> <p>maternal.line - selection line of mother (H- high investment, L - low investment)</p> <p>paternal.line - selection lines of father (H- high investment, L - low investment)</p> <p>replicate - selection line replicate</p> <p>animal - animal id (links with data from Pick et al. 2016 on dryad)</p> <p>mother - mother id</p> <p>father - father id</p> <p>maternal.egg.mass - mean maternal egg mass (grams)</p>
Data for Age and socioeconomic status in relation to risk of maternal anemia among the Ariaal of northern Kenya
<p>Data used for a paper entitled, "Age and socioeconomic status in relation to risk of maternal anemia among the Ariaal agropastoralists of northern Kenya"</p>
Fig. 1. Gargaphia decoris Drake, 1931 in Maternal care in Gargaphia decoris (Heteroptera, Tingidae), with comments on this behavior within the genus and family
Fig. 1. Gargaphia decoris Drake, 1931 female guarding an egg batch with first instar nymphs. Scale bar: 1 mm. Photo: Marsaro Júnior, A.L.
Figure 2 in Maternal care in Omaspides bistriata Boheman (Coleoptera: Chrysomelidae: Cassidinae: Mesomphaliini)
Figure 2. Exponential survival curve (y = 32,694e-0,032x; R2 = 0,9849) of the developmental stages of O. bistriatta (X axis) and curves of survival of the stages of the development cycle from O. bistriatta (Y axis). 6 adults from 32 eggs, 8 of 34 and 4 of 29.
Figure 1 in Maternal care in Omaspides bistriata Boheman (Coleoptera: Chrysomelidae: Cassidinae: Mesomphaliini)
Figure 1. Life cycle of Omaspides bistriatra Boheman on host plant (Ipomea purpurea) in Costa Rica. A) Female with eggs mass, B) Female on first instar, C) Female with group of second instar, D) Female on third instar, E) Pupae, F) Group of pupae. G- H) Female manipulating pupae, I) Female with their group of newly adult offspring.
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.