Optimization and Construction of Human Insulin-like Growth Factor ۱ Gene related to human health
محل انتشار: مجله اپیدمیولوژی و نظام سلامت، دوره: 2، شماره: 3
سال انتشار: 1394
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 228
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شناسه ملی سند علمی:
JR_INJER-2-3_006
تاریخ نمایه سازی: 22 خرداد 1400
چکیده مقاله:
Background and aims: Laron syndrome is a disease that treated by Insulin-like Growth Factor ۱ (IGF-۱). This protein is a single chain and has three disulfide bonds. People with Laron syndrome have low rates of cancer and diabetes, although they appear to be at increased risk of casual death due to their stature. IGF-۱ is synthesized by many tissues and is secreted from liver as an endocrine hormone which is transmitted to other tissues. IGF-۱ is responsible for cell differentiation, transformation, suppression of apoptosis, cell cycle progression, cell proliferation and differentiation. Expression system, the igf-۱ gene, codon adaptation index (CAI) and GC contents are very critical for the large scale production of this protein. Current study was aimed to Optimization and Construction of human IGF-۱ gene in E. coli DH۵α. Methods: we used DNA۲ and ProtParam softwares for designing the best form to produce IGF-۱. First, the coding sequence was verified and then synthesized. For confirmation of the pUC۱۸-IGF-۱, sequencing test was carried out using M۱۳ reverse primer. Finally it was inserted into the cloning site of pUC۱۸. Results: After coding optimization, the CAI rate was increased from ۸۴ % to ۹۰% and GC content from ۵۵.۰۷ % to ۵۶.۶۲%. The presence of the band near ۲۲۵bp resulted from enzymatic digestion with ۲ restriction enzymes demonstrates the correct cloning of the recombinant vectors in the cloning site of pUC۱۸ cloning vector. Conclusion: According to software and experimental analysis, the designed sequence probably in the best form could be used for production of recombinant protein.
کلیدواژه ها:
نویسندگان
Hamidreza Iranpoor
M.Sc. in Medical Biotechnology, Department of Medical Biotechnology, Faculty of Advanced Technologies In Medicine, Golestan University of Medical Science, Gorgan, Iran
Venus Vatankhah
MD, medical school of Shahrekord University of medical sciences, Shahrekord, Iran
Masoud Lotfizadeh
Social Health Determinants Research Center and Department of Community Health, Shahrekord University of Medical Sciences, Shahrekord, Iran,
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