The secretion of VEGF from astrocytoma cells is an important cause to the production of PTBE.

肿瘤细胞分泌VEGF是星形细胞瘤PTBE产生的重要原因。

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Don n't eat breakfast, it was not until noon to eat, hungry stomach for a long time, can cause excessive gastric acid secretion, so easy to cause gastritis, gastric ulcer.

不吃早餐，直到中午才进食，胃长时间处于饥饿状态，会造成胃酸分泌过多，于是容易造成胃炎、胃溃疡。 。

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Conclusion HP infection might cause disorder in the lipid metabolism. The possible mechanism might be that the HP infection can suppress activity and secretion of lipoprotein lipase.

结论HP感染可引起脂代谢紊乱，可能机制为HP感染抑制了脂蛋白酶的活性与分泌。

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These cause all the features of asthma, including swelling and narrowing of the bronchi and secretion of thick mucus which make it difficult for patients to breathe.

BBC: Asthma vaccine hope