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Human epididymal protein 4(HE4) ELISA kit

  • 中文名稱:
    人附睪蛋白4(HE4)酶聯免疫試劑盒
  • 貨號:
    CSB-E12923h
  • 規格:
    96T/48T
  • 價格:
    ¥3800/¥2500
  • 其他:

產品詳情

  • 產品描述:
    人附睪蛋白4(HE4)酶聯免疫試劑盒(CSB-E12923h)為雙抗夾心法ELISA試劑盒,定量檢測血清、血漿、組織勻漿樣本中的WFDC2含量。WFDC2作為靶點,其背景方面在某些疾病尤其癌癥相關研究中受關注。研究機制上,它可能參與細胞增殖、遷移等過程的調控,其表達變化或許影響疾病進程,目前圍繞它開發診斷標志物、治療靶點的研究不斷推進,以助力疾病防治。試劑盒檢測范圍為15.6 pg/mL-1000 pg/mL,靈敏度為3.9 pg/mL。該產品適用于基礎科研中探究HE4在腫瘤微環境調控、轉移機制中的作用,也可用于藥物開發過程中評估化合物對HE4表達的影響,或作為生物標志物組合分析的組成部分,為癌癥相關分子機制研究提供實驗支持。本品僅用于科研,不用于臨床診斷,產品具體參數及操作步驟詳見產品說明書。
  • 別名:
    dJ461P17.6 ELISA Kit; EDDM4 ELISA Kit; epididymal protein 4 ELISA Kit; Epididymal secretory protein E4 ELISA Kit; Epididymis specific whey acidic protein type four disulfide core ELISA Kit; HE 4 ELISA Kit; Major epididymis specific protein E4 ELISA Kit; Major epididymis-specific protein E4 ELISA Kit; MGC57529 ELISA Kit; Putative protease inhibitor WAP5 ELISA Kit; WAP 5 ELISA Kit; WAP domain containing protein HE4 ELISA Kit; WAP domain containing protein HE4 V4 ELISA Kit; WAP four disulfide core domain 2 ELISA Kit; WAP four disulfide core domain protein 2 ELISA Kit; WAP four-disulfide core domain protein 2 ELISA Kit; WAP5 ELISA Kit; WFDC 2 ELISA Kit; WFDC2 ELISA Kit; WFDC2_HUMAN ELISA Kit
  • 縮寫:
    WFDC2
  • Uniprot No.:
  • 種屬:
    Homo sapiens (Human)
  • 樣本類型:
    serum, plasma, tissue homogenates
  • 檢測范圍:
    15.6 pg/mL-1000 pg/mL
  • 靈敏度:
    3.9 pg/mL
  • 反應時間:
    1-5h
  • 樣本體積:
    50-100ul
  • 檢測波長:
    450 nm
  • 研究領域:
    Others
  • 測定原理:
    quantitative
  • 測定方法:
    Sandwich
  • 精密度:

  • 線性度:

  • 回收率:

  • 標準曲線:

  • 數據處理:
  • 貨期:
    3-5 working days

產品評價

相關問答

 常見問題解答
Q:

Regarding your ELISA kit CSB-E12923h, could you please advise on the following:
1) Is the standard natural material or recombinant? And if recombinant, what kind of cell or living material is it used for expression?
2) Does the standard include additive agent such as antiseptic or preservative? If included, what is the composition of additive agent?
3) Material name and concentration of Stop Solution.
4) Do these kits include hazardous substance such as azide, thimerosal, 2-ME, etc?

A:
Thanks for your inquiry.
CSB-E12923h
Standard is crude extract of native samples and it includes preservative.
Preservative is proclin 300(1:3000).
Stop solution is 4N sulfuric acid.
The kit doesn't contain azide, thimerosal, 2-ME.Pls let me know if you have any further questions. Thank you.

靶點詳情

  • 最新研究進展:
    WFDC2(WAP four-disulfide core domain protein 2),又稱為HE4(Human epididymis protein 4),是一種新的腫瘤標志物。最新研究表明,WFDC2/HE4在卵巢癌診斷和預后評估方面有重要價值。此外,其在肺癌、結直腸癌、乳腺癌、宮頸癌等多種癌癥中也有表達增高的現象,并有助于預測患者的預后。
  • 功能:
    Broad range protease inhibitor.
  • 基因功能參考文獻:
    1. These results may be commented as HE4 expression rises in patients with HER2/neu amplification. PMID: 30004048
    2. Serum HE4 with its high specificity is useful in ruling out ovarian malignancy especially among the premenopausal women and Risk of Ovarian Malignancy Algorithm (ROMA)which is the combination of both serum CA 125 and HE4, appears to be an all-rounder with overall good sensitivity and specificity especially among the postmenopausal women. PMID: 30063463
    3. CA125 appears the most reliable biomarker for OC monitoring, whereas HE4 contributes additional information only in a minority of cases PMID: 30125544
    4. level of HE4 might predict chemoresistance and the possibility of ascites formation. The determination of the expression of HE4 alone or combined with CA125 levels in both serum and ascites in ovarian cancer patients with ascites may have important significance for guiding and improving the treatment PMID: 29903044
    5. Elevated serum HE4 in SLE patients is significantly associated with a higher risk of incidence for lupus nephritis (LN), and may be a useful predictor for developing LN. PMID: 29747124
    6. HE4 has the potential to be used as a novel clinical biomarker for evaluating kidney function and predicting renal fibrosis in kidney transplant recipients PMID: 29738696
    7. A panel of three tumor markers CYFRA 21.1, HE4 and ProGRP may play a role for discriminating LC from benign lung disease and subtyping as SCLC. PMID: 29729229
    8. Serum Smac expression level was significantly lower in the EAOC group than in the control group and benign ovarian tumor group (P< 0.05), while HE4 and CA125 expression levels were significantly higher in the EAOC group than the other two groups. PMID: 29226858
    9. This study demonstrated that altered expression of HE4 may involve in tumorigenesis in the uterine cervix. Our findings also suggested the presence of a correlation between HE4 expression and the invasive potential of uterine tumors. Therefore it may be thought that the tissue expression of HE4 can be used to differentiate high grade intraepithelial tumors from carcinomas. PMID: 28326512
    10. Use of HE4 instead of CA125 did not significantly improve diagnostic performance of risk of malignancy indices 1-4 in patients with an adnexal mass PMID: 29238719
    11. The significant effect of the normalization of the HE4 marker after therapy and 50% reduction of HE4 levels before interval cytoreductive surgery on PFS and OS confirmed that HE4 might be an independent prognostic factor of treatment response. PMID: 29584739
    12. HE4 could help with the differentiation of prognostically varied patient groups as well as with the decision-making process associated with the development of individual treatment plans PMID: 29786997
    13. Studied serum levels of Parkinson's disease-associated protein 7 (DJ-1) and human epididymis protein 4 (HE4) in endometrial cancer (EC) patients and healthy controls. The median serum concentrations of DJ-1 and HE4 were found to be significantly higher in EC patients compared to controls. PMID: 28374920
    14. HE4 is a biomarker for ovarian cancer recurrence [review] PMID: 28825178
    15. Numerous studies indicated that HE4 is able to promote cancer progression and drug resistance. These observations strongly suggest that HE4 may play a significant role in cancer recurrence through its bioactivity in the regulation of malignant behavior at the cellular level. Overall, available data shows that high serum HE4 levels correlate well with ovarian cancer recurrence. [review] PMID: 28382859
    16. WFCD2, which is up-regulated in ovarian cancer, can now for the first time be considered a regulator of tumor metastasis. PMID: 28679402
    17. High HE4 expression is associated with adnexal malignancy. PMID: 27116243
    18. Architect CA 125 II and HE4 values in Chinese women presenting with a pelvic mass PMID: 28549533
    19. Review/Meta-analysis: urine HE4 has diagnostic value in detecting ovarian cancer. PMID: 28039447
    20. HE4 seems to be superior to CA125 in the detection of recurrent disease. PMID: 29463191
    21. Data show that serum human epididymis protein 4 (HE4) levels were significantly positively associated with renal fibrosis in chronic kidney disease (CKD) patients. PMID: 27589683
    22. serum HE4 level was a marker of poor prognosis in lung cancer patients PMID: 28499820
    23. This review summarizes data regarding the detection and alteration of HE4 in urine samples collected from ovarian cancer patients and controls. PMID: 28117603
    24. HE4 is a prognostic marker in endometrial cancer PMID: 28401338
    25. HE4 levels correspond to clinical and FIGO stage of endometrial cancer PMID: 28476847
    26. HE4 is elevated less frequently than CA125 in benign adnexal tumors, regardless of age or menopausal status PMID: 27752776
    27. HE4 expression in biopsy material from endometrial hyperplasia can be monitored and regulated by progestin. Changes in the expression of HE4 during progestin therapy regimens can predict therapy response or indicate progestin resistance for medium- and low-risk endometrial hyperplasia. PMID: 27537387
    28. Serum HE4 levels were significantly elevated in children and adults with cystic fibrosis (CF) compared to controls. Abnormal but lower HE4 concentrations were found in cases of severe bronchitis, asthma, pneumonia, and bronchiectasis. HE4 mRNA levels were significantly upregulated in CF vs. non-CF airway biopsy specimens. PMID: 27105680
    29. Human epididymis protein 4 induces chemoresistance against anti-cancer drugs and activates the AKT and Erk pathways to enhance tumor survival. Human epididymis protein 4 expression in ovarian cancer tissue is associated with a worse prognosis for epithelial ovarian cancer patients. PMID: 27862665
    30. Study indicated that serum human epididymis protein 4 levels are closely associated with primary fallopian tube carcinoma and the outcome of surgical therapy and recurrence in Chinese patients. PMID: 27307153
    31. This study found that increased serum HE4 is independently associated with the development of Lupus Nephritis and Chronic Kidney Disease in Systemic Lupus Erythematosus patients. PMID: 27075413
    32. The present study displayed the most fundamental and full-scale data to show differentially expressed genes in response to HE4 PMID: 27430660
    33. We found the high specificity of HE4 and CA125 while differentiating ovarian benign diseases from epithelial ovarian cancer in postmenopausal women and the high sensitivity of CA125 in detecting epithelial ovarian cancer in premenopausal patients PMID: 27436085
    34. HE4 levels at primary diagnosis correlate with an increased risk of endometrial cancer recurrence, particularly in cases of endometrioid histotype, and they may help to recognize patients who may need a more intensive follow-up PMID: 26531723
    35. Overexpression of HE4 promotes collateral resistance to cisplatin and paclitaxel, and downregulation of HE4 partially reverses this chemoresistance. PMID: 27184254
    36. High Serum HE4 level is associated with epithelial ovarian cancer. PMID: 27629144
    37. HE4 and miR-21 may play an important role in the development and progression of ovarian cancer and they may serve as prognostic indicators in ovarian cancer PMID: 26733162
    38. HE4 had more potential than CA125. PMID: 27797265
    39. High serum HE-4 levels were associated with Endometrial Cancer. PMID: 27268621
    40. High HE4 expression is associated with Ovarian Tumors. PMID: 27268637
    41. High correlation with MRI parameters related to neoangiogenesis may indicate signaling pathway of HE4. PMID: 27192502
    42. The aim of the study was to establish whether preoperative serum levels of HE4 and CA125 could be a good predictor for lymphadenectomy in the early stage of endometrioid adenocarcinoma of the uterus. PMID: 26344910
    43. Data suggest that the combination of epididymis protein 4 (HE4) and CA125 may be recommended as potential biomarkers in the preliminary differential diagnosis of between epithelial ovarian cancer (EOC) and peritoneal tuberculosis (PTB). PMID: 26667154
    44. findings suggested that serum HE4 was a better biomarker in early lung cancer than other frequently-used biomarkers PMID: 26851650
    45. HE4 is a promising biomarker for the early diagnosis of epithelial ovarian cancer [review] PMID: 26220095
    46. serum level associated with risk in endometrioid adenocarcinoma PMID: 26223178
    47. HE4 alone and even more the combined analysis of CA125 and HE4 using risk of malignancy algorithm improve the diagnostic accuracy of adnexal masses, especially in early ovarian cancer. PMID: 21923475
    48. Data suggest that overexpressed human epididymis protein 4 (HE4) played an important role in ovarian cancer progression and metastasis and that HE4 has the potential to serve as therapeutic target for ovarian cancer. PMID: 26575020
    49. optimal cut-off values (HE4: 70pmol/l for all; CA125: 60U/ml for pre- and 35U/ml for postmenopausal women) could notably improve diagnostic performance in EOC detection in patients in southern China PMID: 26285075
    50. Results show that recombinant HE4 proteins are able to promote the proliferation of pancreatic and endometrial cancer cells suggesting that HE4 secreted from cancer cells may carry out paracrine and endocrine functions in cancer patients. PMID: 26497244

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  • 亞細胞定位:
    Secreted.
  • 組織特異性:
    Expressed in a number of normal tissues, including male reproductive system, regions of the respiratory tract and nasopharynx. Highly expressed in a number of tumors cells lines, such ovarian, colon, breast, lung and renal cells lines. Initially described
  • 數據庫鏈接:

    HGNC: 15939

    OMIM: 617548

    KEGG: hsa:10406

    STRING: 9606.ENSP00000361761

    UniGene: Hs.2719



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