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cDNA Cloning and Expression Analysis of a Novel Human F-Box Only Protein
Haipeng Cheng,Yushu Ma,Xiaohua Ni,Min Jiang,Lingchen Guo,Wei Jin,Weiwen Xu,Gentao Cao,Chaoneng Ji,Kang Ying,Shaohua Gu,Yuhong Ma,Yi Xie,Yumun Mao 한국분자세포생물학회 2002 Molecules and cells Vol.14 No.1
F-box proteins are an expanding family of eukaryotic proteins that are characterized by an approximately 40 amino acid motif. Some F-box proteins are critical for the controlled degradation of cellular regulatory proteins. During a large-scale sequencing analysis of a human fetal brain cDNA library, we isolated a cDNA clone that encodes a novel F-box protein. It showed a 90.0% identity with the previously isolated mouse F-box protein16 at the amino acid level. Northern blot analysis showed no detectable expression, while re-verse transcription-polymerase chain reaction analysis indicated that FBXO16 was expressed in the heart, spleen, and colon. By mapping, we localized the FBXO16 gene to the human chromosome 8p12. The FBXO16 gene consisted of 9 exons that spanned 67,816 bp of human genomic DNA.
Ling Chen,Xiaoxi Li,Lin Li,Siyuan Guo 한국물리학회 2007 Current Applied Physics Vol.7 No.s1
from tablets coated with starch-based polymer were examined. Maize starch acetates (SA) were prepared by acetyl esterication with adegree of substitution from 1.31 to 2.40, and bovine serum albumin was used as a model drug. Forin-vitrodrug release assays, the starch-based polymer was incubated in simulated gastric uid, simulated intestinal uid and simulated colonic uid, respectively. The resistantstarch content and swelling property of maize starch were increased by acetylation, which retarded its enzymatic degradation. Drugfor a potential drug delivery carrier for colon-targeting biomacromolecule drugs.