Table 1.

Table of percent changes in fluorescence intensity in different organs/cell types that resulted from exposure to simulated-microgravity for different developmental times.

Whole Embryo				Heart				Notochord
hpf	mean	SEM	p-value	hpf	mean	SEM	p-value	hpf	mean	SEM	p-value
8–24	-1.24	2.25	0.37	8–24				8–24	0.58	4.51	0.25
8–32	8.40	3.61	0.07	8–32				8–32	16.07	5.60	0.03
8–56	11.59	3.66	0.003	8–56	9.41	8.12	0.17	8–56	10.11	6.23	0.08
24–48	8.81	2.86	0.01	24–48	12.19	5.83	0.04	24–48	16.17	4.56	0.003
24–72	18.62	4.58	0.0004	24–72	27.75	4.82	0.00003	24–72	31.68	6.80	0.0001
24–80	10.07	5.72	0.11	24–80	11.15	6.44	0.13	24–80	17.77	8.11	0.06
32–56	2.67	5.19	0.29	32–56	35.60	12.44	0.02	32–56	2.25	7.29	0.32
32–80	1.21	4.14	0.43	32–80	0.38	5.97	0.48	32–80	3.91	7.17	0.35
48–72	1.97	2.50	0.28	48–72	8.42	3.96	0.04	48–72	4.13	4.51	0.22
56–80	-2.58	2.82	0.27	56–80	5.01	5.61	0.27	56–80	-7.11	4.35	0.15
Rohon Beard Neurons				Eye				Lens
hpf	mean	SEM	p-value	hpf	mean	SEM	p-value	hpf	mean	SEM	p-value
8–24				8–24	2.07	4.80	0.40	8–24
8–32				8–32	3.01	5.23	0.36	8–32
8–56	9.65	5.84	0.08	8–56	14.06	6.73	0.04	8–56	17.73	6.69	0.01
24–48	8.05	4.65	0.09	24–48	12.65	4.57	0.01	24–48	10.75	4.74	0.03
24–72	17.29	5.08	0.01	24–72	15.25	7.18	0.03	24–72	18.55	7.28	0.02
24–80	14.36	7.28	0.09	24–80	11.27	7.78	0.15	24–80	10.41	7.78	0.18
32–56	1.90	6.78	0.40	32–56	8.96	8.58	0.18	32–56	11.73	9.13	0.14
32–80	-1.60	5.72	0.41	32–80	0.70	5.94	0.47	32–80	-4.09	5.57	0.34
48–72	5.53	4.10	0.17	48–72	-3.77	3.73	0.24	48–72	-4.73	4.52	0.22
56–80	-4.76	4.30	0.24	56–80	1.25	5.06	0.44	56–80	2.83	5.91	0.37
Somites
hpf	mean	SEM	p-value
8–24	4.28	3.38	0.23
8–32	4.10	5.71	0.31
8–56	7.07	5.25	0.13
24–48	7.50	4.52	0.09
24–72	22.24	6.30	0.002
24–80	15.39	7.80	0.08
32–56	3.11	7.17	0.32
32–80	2.08	5.89	0.41
48–72	8.24	6.52	0.12
56–80	-6.88	3.50	0.13

hpf = hours post-fertilization that the embryos were kept in the bioreactor (see Figure 2);

SEM = standard error of the mean.