Investigation of serum proteome alterations in human endometriosis

被引:30
作者
Dutta, Mainak [1 ]
Subramani, Elavarasan [1 ]
Taunk, Khushman [2 ]
Gajbhiye, Akshada [2 ]
Seal, Shubhendu [3 ]
Pendharkar, Namita [2 ]
Dhali, Snigdha [2 ]
Ray, Chaitali Datta [4 ]
Lodh, Indrani [5 ]
Chakravarty, Baidyanath [5 ]
Dasgupta, Swagata [6 ]
Rapole, Srikanth [2 ]
Chaudhury, Koel [1 ]
机构
[1] Indian Inst Technol, Sch Med Sci & Technol, Kharagpur 721302, W Bengal, India
[2] Natl Ctr Cell Sci, Prote Lab, Pune, Maharashtra, India
[3] Wipro GE Healthcare, Bombay, Maharashtra, India
[4] Inst Post Grad Med Educ & Res, Kolkata, W Bengal, India
[5] Inst Reprod Med, Kolkata, W Bengal, India
[6] Indian Inst Technol, Dept Chem, Kharagpur 721302, W Bengal, India
关键词
Endometriosis; 2D-DIGE; Serum; Pathogenesis; Protein markers; 2-DIMENSIONAL GEL-ELECTROPHORESIS; SURGICAL SCAR ENDOMETRIOSIS; FLIGHT MASS-SPECTROMETRY; NECROSIS-FACTOR-ALPHA; PERITONEAL-FLUID; OXIDATIVE STRESS; EUTOPIC ENDOMETRIUM; INFLAMMATORY-DISEASE; INFERTILE PATIENTS; IMMUNE-RESPONSE;
D O I
10.1016/j.jprot.2014.10.021
中图分类号
Q5 [生物化学];
学科分类号
071010 ; 081704 ;
摘要
Endometriosis is a common benign gynecological disease, characterized by proliferation of functional endometrial glands and stroma outside the uterine cavity. The present study involves investigation of alterations in the serum proteome of endometriosis patients compared to healthy controls using 2DE and 2D-DIGE combined with MALDI TOF/TOF-MS. Comparison of serum proteome of endometriosis patients and healthy subjects revealed 25 significant differentially expressed proteins. Gene ontology and network analysis, performed using PANTHER, DAVID, WebGestalt and STRING, revealed that the differentially expressed proteins are majorly involved in response to stimulus, immune system, metabolic, localization and cellular processes. For serum diagnostic marker identification, several robust statistical screening procedures were applied to identify the set of the most significant proteins responsible for successful diagnosis of different endometriosis stages. Partial least squares (PLS) based marker selection tool and orthogonal partial least squares-discriminant analysis (OPLS-DA) were used to identify the most significant proteins for disease prediction. Western blotting validation in a separate cohort of patients revealed that haptoglobin (HP), Ig kappa chain C region (IGKC), alpha-1B-glycoprotein (A1BG) can be considered effective serum protein markers for the diagnosis of Stage II, III and IV endometriosis. For diagnosis of Stage I, only IGKC and HP seemed promising. Biological significance Globally, about 12 in 100 women of reproductive age are diagnosed with endometriosis. The pathogenesis of the disease still remains unclear, leading to non-specific therapeutic approaches for disease management. Moreover, there is a delay of 8-12 years in correct diagnosis after the initial onset of symptoms leading to a considerable impact on the woman's lifestyle. Also, the gold standard for diagnosis of endometriosis, laparoscopy, is an invasive procedure. The value of a noninvasive or semi-invasive diagnostic test for endometriosis with easily accessible fluids such as plasma, serum, urine, and saliva is, therefore, rightfully recognized. The present study is expected to considerably improve the understanding of the disease pathogenesis along with improved diagnostics and therapeutic approaches leading to better management of the disease. (C) 2014 Elsevier B.V. All rights reserved.
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收藏
页码:182 / 196
页数:15
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