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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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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Pituitary tumors may also cause generalized hyperpigmentation as a result of increased secretion of melanocyte-stimulating hormone (MSH).

脑垂体肿瘤，由于促黑激素(MSH)分泌增多，也可引起全身性的色素沉着。

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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