Maternal diabetes causes abnormal dynamic changes of endoplasmic reticulum during mouse oocyte maturation and early embryo development

Table 1 Comparison of ER distribution patterns in control or diabetic oocytes at the GV stage

Group	No. oocytes examined	Percentage with I	Percentage with II	Percentage with III
Control oocytes	40 (from 3 mice)	30 (75%)^a	4 (10%) ^a	6 (15%) ^a
Diabetic oocytes	30 (from 3 mice)	5 (16.7%)^b	14 (46.7%) ^b	11 (36.7%) ^b

* Experiments were repeated at least three times.
^a,b Values with different superscript letters are significantly different (P <0.05; Fisher exact test).
(I): homogeneous distribution pattern, (II): ER clouds, (III): cluster distribution patterns.

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