Ying-li ZHAO, Juan LI, Xing FANG, et al. Ater-soluble Protein Profiles of Astragalus membranaceus var. mongholicus and A. membranaceus[J]. Chinese journal of experimental traditional medical formulae, 2020, 26(5): 137-144.
DOI:
Ying-li ZHAO, Juan LI, Xing FANG, et al. Ater-soluble Protein Profiles of Astragalus membranaceus var. mongholicus and A. membranaceus[J]. Chinese journal of experimental traditional medical formulae, 2020, 26(5): 137-144. DOI: 10.13422/j.cnki.syfjx.20200512.
Ater-soluble Protein Profiles of Astragalus membranaceus var. mongholicus and A. membranaceus
which are closely related and similar in composition
but with unclear medicinal value. Water-soluble protein profiles for
A
.
membranaceus
var.
mongholicus
and
A
.
membranaceus
were established to explore the differences between the two kinds of Astragalus Radix.
Method:
2
The water-soluble protein components were obtained through water ultrasonic extraction and acetone precipitation. After digested with trypsin
the obtained peptides were analyzed by nano ESI-LC-MS/MS method. Proteome Discovery 1.4 software was used to identify the proteins by comparing with the legume protein database
and the different expression water-soluble proteins were analyzed by the label-free quantitative software SIEVE. Finally
relevant information for common expression proteins
including classification
molecular function
involved biological process and signaling pathway
were analyzed by bioinformatics.
Result:
2
There were 920 and 717 specific proteins identified for
A
.
membranaceus
var.
mongholicus
and
A
.
membranaceus
respectively. Totally 472 proteins were found to be co-expressed
in which 21 were differentially expressed
such as PR-10 protein
NDK-1 protein
glutelin A
2
and phospholipase D. There were 14 highly expressed proteins in
A
.
membranaceus
var.
mongholicus
and 7 highly expressed proteins in
A
.
membranaceus
.
Conclusion:
2
There are significant differences in water-soluble protein profiles for two kinds of Astragalus Radix. Specific proteins
differentially expressed proteins and common expressed proteins can provide references for the identification of
A
.
membranaceus
var.
mongholicus
and
A
.
membranaceus
. It also can be used to define pharmacological mechanisms and search for drug action targets.
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