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Data Set Group: HZI Thelp M430v2 (Feb11) modify this page

Data Set: HZI Thelp M430v2 (Feb11) RMA modify this page
GN Accession: GN319
GEO Series: No Geo series yet
Organism: Mouse (mm10)
Group: BXD
Tissue: T Cell (helper) mRNA
Dataset Status: Public
Platforms: Affy Mouse Genome 430 2.0 (GPL1261)
Normalization: RMA
Contact Information
Klaus Schughart
Helmholtz Centre for Infection Research
Dept. Experimental Mouse Genetics Inhoffenstr. 7
Braunschweig, Braunschweig Germany
Tel. (49) 531-6181-1100
Download datasets and supplementary data files

Specifics of this Data Set:

ERROR-CHECKED FIRST PHASE PRIVATE TEST DATA SET. This data set provides estimates of gene expression in helper T cells (CD4+CD25+) of BXD strains. Data were generated by Prof. Dr. Klaus Schughart and colleagues at the Helmholtz Centre for Infection Research (HZI). Samples were processed using a total of 35 Affymetrix MOE 430 2.0 short oligomer microarrays, of which 33 passed stringent quality control and error checking.

This is a private test data set. Please contact Dr. Klaus Schughart for early access.

About the cases used to generate this set of data:

Parental and 31 BXD lines were studied. Mice were received from Jackson Laboratory, or from The Oak Ridge National and were bred in the facility of the Neuro-BSIK consortium (VU University Amsterdam). The data set includes expression values for 18 of the BXD strains made by Benjamin Taylor at the Jackson Laboratory in the 1970s and 1990s (BXD1 through BXD40, as well as the two parental strains, C57BL/6J and DBA/2J. All of these strains are fully inbred, many well beyond the 100th filial (F) generation of inbreeding.

BXD spleen sample pools (from 2-3 mice) were obtained from a pathogen-free mice of the Dutch Mouse Phenomics Consortium (MPC) in Amsterdam. Mice were imported into the central animal facility at the HZI and kept in a pathogen-free vivarium. Mice were euthanized using CO2 and spleenocytes wre prepared. Most mice were between 17 and 22 weeks of age when samples were collected. FACS sorting was used to select the CD4-positive T cells. These cells were further separated into CD4+CD25+ and CD4+CD25- pools.

Error-checking strain identity. A set of more than 20 probe sets with Mendelian segregation patterns in this HZI data set were used to confirm strain identify in early June, 2007. Two errors were detected and rectified. As of June 22, 2007, data are registered correctly. Prior to June 22, 2007, data listed as strains BXD33 and BXD39 were essentially hybrid (mixed) data sets.

On Aug 23, 2007, we loaded the final QTL Reaper data into GeneNetwork for the corrected data set. The maximum LRS generated by any probe set is 84.6 for 1436240_at (Tra2a). A total of 41 probe sets are associated with QTLs that have LRS values above 46 (LOD > 10).

    Table 1

Index ProbeSet ID Sample Description Sex Strain cd25 Microarray Short Description Age Pool No. Pool members (animal number) Date of preparation
1 HZI1176 BXD-06f (f1) CD25 F BXD6 CD25- Yes BXD-06f 17 f1 1,3,4 1-31-2006
2 HZI1177 BXD-06m (m2) CD25 M BXD6 CD25- Yes BXD-06m 18 m2 5,6,7 1-31-2006
3 HZI1178 BXD-14m (m3) CD25 M BXD14 CD25- Yes BXD-14m 17 m3 1,3,4 1-31-2006
4 HZI1179 BXD-34f (f4) CD25 F BXD34 CD25- Yes BXD-34f 17 f4 1,2,3 2-1-2006
5 HZI1180 BXD-34m (m5) CD25 M BXD34 CD25- Yes BXD-34m 17 m5 5,7,8 2-1-2006
6 HZI1181 BXD-40f (f6) CD25 F BXD40 CD25- Yes BXD-40f 17 f6 1,2,3 2-1-2006
7 HZI1182 BXD-40m (m7) CD25 M BXD40 CD25- Yes BXD-40m 17 m7 5,6,7 2-2-2006
8 HZI1183 BXD-02f (f8) CD25 F BXD2 CD25- Yes BXD-02f 17 f8 1,2,3 2-14-2006
9 HZI1184 BXD-02m (m20) CD25 M BXD2 CD25- Yes BXD-02m 21 m20 4,5,6 4-6-2006
10 HZI1185 BXD-11f (f30) CD25 F BXD11 CD25- Yes BXD-11f 17 f30 3,4,5 5-11-2006
11 HZI1186 BXD-11m (m9) CD25 M BXD11 CD25- Yes BXD-11m 18 m9 1,2 2-14-2006
12 HZI1187 BXD-12f (f10) CD25 F BXD12 CD25- Yes BXD-12f 17 f10 1,2,3 2-14-2006
13 HZI1188 BXD-39f (f23) CD25 F BXD39 CD25- Yes BXD-39f 19 f23 4,5,6 4-11-2006
14 HZI1191 BXD-18m (m13) CD25 M BXD18 CD25- Yes BXD-18m 18 m13 7,8 2-15-2006
15 HZI1192 BXD-23m (m15) CD25 M BXD23 CD25- Yes BXD-23m 18 m15 1,2,3 2-15-2006
16 HZI1194 BXD-09f (f17) CD25 F BXD9 CD25- Yes BXD-09f 21 f17 1,2,3 4-5-2006
17 HZI1195 BXD-09m (m16) CD25 M BXD9 CD25- Yes BXD-09m2 21 m16 5,6 4-5-2006
18 HZI1196 BXD-09m (m35) CD25 M BXD9 CD25- Yes BXD-09m 15 m35 7,8,9 7-7-2006
19 HZI1197 BXD-32f (f18) CD25 F BXD32 CD25- Yes BXD-32f 21 f18 1,2,3 4-6-2006
20 HZI1198 BXD-32m (m19) CD25 M BXD32 CD25- Yes BXD-32m 22 m19 1,2,3 4-6-2006
21 HZI1199 BXD-33f (f22) CD25 F BXD33 CD25- Yes BXD-33f 18 f22 2,3,4 4-11-2006
22 HZI1200 BXD-39m (m29) CD25 M BXD39 CD25- Yes BXD-39m 17 m29 5,6,7 5-10-2006
23 HZI1201 BXD-01f (f32) CD25 F BXD1 CD25- Yes BXD-01f 18 f32 3,4 7-6-2006
24 HZI1202 BXD-01m (m31) CD25 M BXD1 CD25- Yes BXD-01m 18 m31 1,2 7-6-2006
25 HZI1203 BXD-16f (f26) CD25 F BXD16 CD25- Yes BXD-16f 18 f26 1,2,3 4-12-2006
26 HZI1204 BXD-21f (f25) CD25 F BXD21 CD25- Yes BXD-21f 19 f25 5,6,7 4-12-2006
27 HZI1205 BXD-21m (m24) CD25 M BXD21 CD25- Yes BXD-21m 18 m24 1,2,3 4-12-2006
28 HZI1208 C57BL/6Jf (f28) CD25 F C57BL/6J CD25- Yes C57BL/6Jf 16 f28 1,2,3 5-10-2006
29 HZI1209 DBA/2Jf (f27) CD25 F DBA/2J CD25- Yes DBA/2Jf 16 f27 5,6,7 5-10-2006
30 HZI1210 DBA/2Jm (m21) CD25 M DBA/2J CD25- Yes DBA/2Jm 21 m21 1,2,3 4-11-2006
31 HZI2473 BXD-13 m 45 M BXD13 CD25- Yes BXD-13m 15 m45 4,5,6,7 12-13-2006
32 HZI2474 BXD-19 m 46 M BXD19 CD25- Yes BXD-19m 16 m46 4,5,6 12-15-2006
33 HZI2475 BXD-28 m 43 M BXD28 CD25- Yes BXD-28m 17,2 m43 1,2,3 10-23-2006
34 HZI2476 BXD-29 m 37 M BXD29 CD25- Yes BXD-29m 20, 16 m37 1,2,3 8-29-2006
35 HZI2477 BXD-31 m 69 M BXD31 CD25- Yes BXD-31m 14 m69 4,5,6 2-1-2008
36 HZI2478 BXD-33 m 11 M BXD33 CD25- Yes BXD-33m 17 m11 1,2 2-14-2006
37 HZI2479 BXD-38 m 63 M BXD38 CD25- Yes BXD-38m 18 m63 1,2,3 6-20-2007
38 HZI2480 BXD-42 m 47 M BXD42 CD25- Yes BXD-42m 15,16 m47 1,2,3 12-15-2006
39 HZI2481 BXD-42 m 65 M BXD42 CD25- Yes BXD-42m 15,16 m47 1,2,3 12-15-2006
40 HZI2482 BXD-13 f 44 F BXD13 CD25- Yes BXD-13f 15 f44 1,2,3 12-13-2006
41 HZI2483 BXD-18 F 14 F BXD18 CD25- Yes BXD-18f 17 f14 3,4,5 2-15-2006
42 HZI2484 BXD-19 f 38 F BXD19 CD25- Yes BXD-19f2 21 f38 1,2,3 9-1-2006
43 HZI2485 BXD-19 f 64 F BXD19 CD25- Yes BXD-19f 19 f64 7,8,9 6-20-2007
44 HZI2486 BXD-28 f 61 F BXD28 CD25- Yes BXD-28f 22 f61 1,2,3 6-18-2007
45 HZI2487 BXD-29 f 40 F BXD29 CD25- Yes BXD-29f 15 - 16 f40 4,5,6 9-25-2006
46 HZI2488 BXD-31 f 34 F BXD31 CD25- Yes BXD-31f 16 f34 1,2,3 7-7-2006
47 HZI2489 BXD-38 f 70 F BXD38 CD25- Yes BXD-38f 13 f70 4,5,6,7 2-1-2008
48 HZI2490 BXD-42 f 49 F BXD42 CD25- Yes BXD-42f 17 f49 ?? 3-8-2007
49 HZI2491 BXD-43 f 53 F BXD43 CD25- Yes BXD-43f 16 f53 1,2,3 4-23-2007
50 HZI2492 BXD-44 f 54 F BXD44 CD25- Yes BXD-44f 18 f54 1,2,3 4-23-2007
51 HZI2493 BXD-45 f 55 F BXD45 CD25- Yes BXD-45f 19 f55 1,2,3 4-23-2007
52 HZI2494 BXD-51 f 59 F BXD51 CD25- Yes BXD-51f 22 f59 1,2,3 6-18-2007
53 HZI2495 BXD-62 f 56 F BXD62 CD25- Yes BXD-62f 17 f56 1,2,3 4-26-2007
54 HZI2496 BXD-73 f 57 F BXD73 CD25- Yes BXD-73f 18 f57 1,2,3 4-26-2007
55 HZI2497 BXD-75 f 58 F BXD75 CD25- Yes BXD-75f 15,17 f58 1,2,3 4-26-2007
56 HZI2498 BXD-86 f 52 F BXD86 CD25- Yes BXD-86f 16 f52 1,2,3 4-18-2007

About the tissue used to generate this set of data:

About the array platform:

The Affymetrix M430 2.0 array consists of approximately 992,936 useful 25-nucleotide probes that estimate the expression of approximately 39,000 transcripts, including a majority of known genes and expressed sequence tags. The array sequences were selected late in 2002 using NCBI Build 107 by Affymetrix. The UTHSC GN group continuously reannotated probe sets on this array, producing more accurate data on probe and probe set targets. All probes have also be aligned to the most recent assembly of the Mouse Genome using Jim Kent's BLAT program.

About data values and data processing:

Microarray data then was preprocessed using the RMA method [bolstad] and subsequently batch corrected [Alberts et al]. In this study, RNA was extracted at three different points in time for the Treg samples and also microarray processing was performed at three different points in time. Similarly, the Th samples were processed in two batches. Therefore, we performed a batch correction for both cell types using the following ANOVA model before further analysis of the data.
yi = μ + Bi + ei
Where yi is the expression level of the ith microarray, μ is the overall mean, Bi is the batch to which the ith individual belongs and ei is the residual error.
Batch corrected data sets were then preprocessed before transferring them to the GeneNetwork (GN) database: Adding an offset of 1 unit to each signal intensity value to ensure that the logarithm of all values were positive, computing the log2 value, performing a quantile normalization of the log2 values for the total set of arrays using the same initial steps used by the RMA transform, computing the Z scores for each cell value, multiplying all Z scores by 2 and adding 8 to the value of all Z scores. The advantage of this variant of a Z transformation is that all values are positive and that 1 unit represents approximately a 2-fold difference in expression as determined using the spike-in control probe sets. The mean values were subsequently calculated if multiple samples from one BXD line were recorded (male and females or replicates).


This text file was generated by KS on July, 18 2011.

Experiment Type:

Parental and BXD lines were received from Jackson Laboratory, or from Oak Ridge Laboratory (BXD43, BXD51, BXD61, BXD62, BXD65, BXD68, BXD69, BXD73, BXD75, BXD87, BXD90), and were bred in the facility of the Neuro-BSIK consortium (VU University Amsterdam). Female mice 3 per strain were housed on sawdust in standard Makrolon type II cages with food (Harlan Teklad 2018) and water ad libitum under specific pathogen free conditions. For the analysis, mice were transferred to the animal facility in Braunschweig and adapted for at least two weeks to the new environment before preparing the spleen cells. All protocols involving mice were approved by national animal welfare committees.

For sorting of Tregs and Th cells, splenocytes from 31 BXD recombinant inbred strains as well as from the parental mouse lines DBA/2J and C57BL/6J were isolated by flushing the spleens with erythrocyte-lysis-buffer. Cells were collected by centrifugation, re-suspended in cold FACS-buffer (PBS / 2% FCS / 0,5 mM EDTA). After passing the cells through a 100 µm cell strainer and an additional washing step with FACS-buffer, splenocytes were stained with anti-CD4-APC and anti-CD25-PE for 10 minutes at 4°C, washed and re-suspended in FACS-buffer. CD4+ T cells were separated into CD4+CD25+ Tregs and CD4+CD25- Th cells using a MoFlo cell sorter (Cytomation) and purity of the sorted T cell subsets reached 95-97%.

Quality and integrity of the total RNA isolated from 1x105 cells was controlled by running all samples on an Agilent Technologies 2100 Bioanalyzer (Agilent Technologies; Waldbronn, Germany). RNA amplification and labeling was done according to manufactures protocol (Small Sample Target Labeling Assay Version II, Affymetrix; Santa Clara, CA).  The concentration of biotin-labeled cRNA was determined by UV absorbance. In all cases, 10 µg of each biotinylated cRNA preparation were fragmented and placed in a hybridization cocktail containing four biotinylated hybridization controls (BioB, BioC, BioD, and Cre) as recommended by the manufacturer. Samples were hybridized to an identical lot of Affymetrix MOE430 2.0 for 16 hours at 46°C. After hybridisation the GeneChips were washed and stained using the Affymetrix´s recommended EukGE-WS2v5 protocol for GeneChip®  Fluidics FS400 station.  Images were scanned using GeneChip® Scanner 3000 under the control of GCOS 1.3 software package (Affymetrix; Santa Clara, CA).



Data source acknowledgment:

These data were generated by Prof. Dr. Klaus Schughart (Department of Experimental Mouse Genetics) and Dr. Dunja Bruder (Research Group Immune Regulation) at the Helmholtz Center for Infection Research with the help of Dr. Lothar Gröbe (FACS sorting, Research Group Mucosal Immunity).

Funding was provided by the Helmholtz Association and publicly funded research projects awarded to Drs. Klaus Schughart and Dunja Bruder.

Study Id:

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