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        significantly higher in Adrb2 −/−  mice than in  To examine whether b 2 AR-dependent inhibi-  significantly higher levels of CellTrace Violet
        Adrb2  +/+  mice (Fig. 4F). Together, these data  tion of ILC2 proliferation is cell intrinsic, sorted  intensity compared to vehicle-treated ILC2s,
        indicate that b 2 AR signaling negatively regu-  ILC2s were stained with a proliferation dye  suggesting that the reduced proliferation after
        lates ILC2 proliferation in vivo during type 2  (CellTrace Violet) and then cultured in vitro with  b 2 AR agonist treatment occurs through a cell-
        inflammation.                       a b 2 AR agonist. Agonist-treated ILC2s exhibited  intrinsic mechanism (Fig. 4G). To further test this


                                                                               Cell cycle
                                                                         Cell cycle process
                                            Id2
                   10 5                                                    Nuclear division
                                                                     Mitotic cell cycle process
                                                             Nitrogen compound metabolic process
                                   Gata3
                Mean normalized counts (agonist-treated, infected )  10 3  Il4ra  Crlf2  0.12  Nuclear chromosome segregation 0.0  NES  5.0
                                                                          Mitotic cell cycle
                                                        Cellular nitrogen compound metabolic process
                                   Rora
                                            Il1rl1
                                                                             Cell division
                                                                     Chromosome segregation
                                                                                           2.5
                                                                       Cell cycle
                                                         Enrichment score  0.08  NES = 4.85
                    1
                   10
                                                                              FDR < 0.01
                                                          0.04
                            10 1     10 3    10 5         0.00
                         Mean normalized counts (infected)
                                                             Lower in         Higher in                             Downloaded from
                  N. brasiliensis infection                  agonist-treated  agonist-treated
                   10 5            10 5
                           50.4         41.1
                   10 4            10 4                                H. polygyrus infection      IL-33 i.p.
                 Vehicle  10 3     10 3                  **       80    *       5.0   *               *
                    0               0
                      0  10 10 10 5    0  10 10 10 5 % of Ki67 +  in ILC2s 60  % of Ki67 +  in ILC2s  60  Number of ILC2s (×10 4 )  2.5  % of Ki67 +  in ILC2s 80
                             4
                           3
                                           3
                                             4
                                                                                                40
                                                   30
                   10 5 4  38.3    10 5 4  9.91                   40                                                http://science.sciencemag.org/
                 Clenbuterol  GATA-3  10 3  10 3    0 Vehicle     20 Vehicle    0.0 Vehicle      0  +/+  -/-
                                   10
                   10
                    0
                             4
                           3
                                             4
                      0  10 10 10 5  Ki67  0  0  10 10 10 5  Clenbuterol  Clenbuterol  Clenbuterol  Adrb2  Adrb2
                                           3
                     CD4             GATA-3
                                          Adrb2  +/+    Adrb2  -/-
                                    10 5 4 3  3.07  10 5 4 3  3.19  10  Steady state  5.0  N. brasiliensis          on March 1, 2018
                                  Steady state
                                                  10
                                    10
                  Proliferation dye GMFI (×10 4 )  1.5  10 0 2 5 4  0 10 2 10 3  10 4  10 5  10 0 2 5 4  0 10 2  10 3  10 4  10 5  % of ILC2s in Lin -  (each genotype)  5  % ILC2s in Lin -  (each genotype)  2.5
                                                                                         **
                   2.0
                                                  10
                                    10
                         **
                                    10
                                                  10
                                             1.78
                                                           3.39
                                                  10
                                    10
                   1.0
                     Vehicle Salmeterol  N. brasiliensis  KLRG1 10 0 3 2  10 0 3 2  0 Adrb2 +/+  Adrb2 -/-  0.0 Adrb2 +/+  Adrb2 -/-
                                                  10
                                    10
                                       0 10 2 10 3  10 4  10 5  0 10 2  10 3  10 4  10 5
                                       CD127
        Fig. 4. b 2 AR stimulation negatively regulates ILC2-intrinsic cell prolif-  sentative of two experiments. (G) Sorted SI ILC2s stained with cell-
                              +
                         +
                                   +
                                          +
                                     –
        eration. (A to C) KLRG1 CD127 CD90 Lin CD45 mLN ILC2s sorted from  proliferation dye were cultured with IL-2, IL-7, IL-33, and b 2 AR agonist
        N. brasiliensis–infected Adrb2 +/+  mice treated with or without clenbuterol  salmeterol or vehicle for 4 days, and the enumeration of proliferation dye
        were analyzed by RNA-seq. Shown are (A) a scatter plot showing mean of  geometric mean fluorescent intensity (GMFI) is shown. n = 3. Data are
        normalized counts, (B) bar graphs of the significantly enriched [false  representative of three experiments. For panels (D) through (G), each circle
        discovery rate (FDR) < 0.01] GO terms with the highest normalized  represents data from one mouse, and bar graphs represent mean ± SEM; *P <
        enrichment scores (NES), and (C) a GSEA plot of the GO term “cell cycle.”  0.05 and **P <0.01by unpairedtwo-tailedStudent’s t test. (H)Chimericmice
        (D and E) B6 mice treated with clenbuterol or vehicle were analyzed for  reconstituted with congenic Adrb2 +/+  and Adrb2 −/−  BM cells were analyzed at
                      +
        percentages of Ki67 in ILC2s (D) 4 days after N. brasiliensis infection  steady state and 7 days after N. brasiliensis infection. Flow cytometry plots and
        and (E) 8 days after H. polygyrus infection. Data are representative  enumerations of ILC2 percentages for each genotype are shown. Connected
        of two experiments. (F) Adrb2 +/+  and Adrb2 −/−  mice intraperitoneally  symbols represent data from one chimeric mouse. Data are representative of
                                         +
        (i.p.) administered IL-33 were analyzed for Ki67 in ILC2s. Data are repre-  two experiments. **P <0.01bypairedtwo-tailedStudent’s t test.
        Moriyama et al., Science 359, 1056–1061 (2018)  2 March 2018                                        5of6
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