Publications by authors named "Hao-Lei Song"

Glycoproteins derived from Hansenula polymorpha can not be used for therapeutic purposes due to their high-mannose type asparagine-linked (N-linked) glycans, which result in immune reactions and poor pharmacokinetic behaviors in human body. Previously, we reported that the trimannosyl core N-linked glycans (Man(3)GlcNAc(2)) intermediate can be generated in endoplasmic reticulum in HpALG3 and HpALG11 double-mutant H. polymorpha.

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To check feasibility and effectiveness of the α-amylase reporter system, two vectors were designed and tested using hepatitis B virus surface antigen (HBsAg) and Homo sapiens granulocyte-macrophage colony stimulating factor 2 (hGM-CSF2) as a model. By integrating the vector containing two independent cassettes into the same genome locus, high-producing clones of HBsAg (or hGM-CSF2) were screened using the α-amylase as a reporter. Results show there was a positive correlation (Correlation coefficient, R (2) > 0.

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