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詳細
Prostate specific antigen (PSA) is a 26kDa single-chain glycoprotein containing 237 amino acids, encoded by the kallikrein gene mapped to human chromosome 19. It is specifically expressed by human prostate tissue and is a highly abundant proteolytic enzyme expressed in the seminal fluid.
生物化学的/生理学的作用
Prostate specific antigen(PSA)は腺性カリクレインファミリ-の糖タンパク質で、キモトリプシン様酵素活性を有するセリンプロテア-ゼです。血中のPSAは、遊離した形態またはプロテア-ゼインヒビタ-に結合した形態で存在します。 インヒビタ-結合型PSAに対する遊離型PSAの比に関する研究によって、前立腺癌の診断における有用性が証明される可能性があります。
腺性カリクレインファミリ-の糖タンパク質です。
Prostate-specific antigen (PSA) is an androgen-regulated serine protease specifically produced by prostatic tissue and is secreted into the lumen. PSA in semen cleaves semenogelins present in the seminal coagulum. Total PSA levels are increased in serum of prostate cancer (PCa) patients. PSA functions as a potential biomarker for PCa. Serum protease inhibitors such as α1-antichymotrypsin (α1-ACT), α2-macroglobulin (α2-M) and other acute-phase proteins form irreversible complexes with circulating PSA and hinder proteolytic activity of PSA.
物理的形状
10 mM Trisを含有する、pH 8.0の0.1%アジ化ナトリウム溶液に溶解
保管分類コード
11 - Combustible Solids
WGK
WGK 3
引火点(°F)
Not applicable
引火点(℃)
Not applicable
適用法令
試験研究用途を考慮した関連法令を主に挙げております。化学物質以外については、一部の情報のみ提供しています。 製品を安全かつ合法的に使用することは、使用者の義務です。最新情報により修正される場合があります。WEBの反映には時間を要することがあるため、適宜SDSをご参照ください。
Jan Code
P3235-BULK:
P3235-10UG:
P3235-10UG-PW:
P3235-VAR:
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Structure, function, and regulation of the enzyme activity of prostate-specific antigen.
Lilja H
World Journal of Urology, 11(4), 188-191 (1993)
Multiple forms of prostate-specific antigen in serum: differences in immunorecognition by monoclonal and polyclonal assays.
Zhou AM
Clinical Chemistry, 39(12), 2483-2491 (1993)
Qian Dang et al.
Analytical and bioanalytical chemistry, 408(25), 7067-7075 (2016-03-05)
A simple and sensitive electrogenerated chemiluminescence biosensor was developed to monitor matrix metalloproteinase 2 (MMP-2) by employing a specific peptide (CGPLGVRGK) as a molecular recognition substrate. Bis(2,2'-bipyridine)-4'-methyl-4-carboxybipyridine-ruthenium N-succinimidyl ester-bis(hexafluorophosphate) (Ru(bpy)2(mcbpy-O-Su-ester)(PF6)2 (Ru1) was used as ECL-emitting species and covalently labeled onto
Steven P Balk et al.
Journal of clinical oncology : official journal of the American Society of Clinical Oncology, 21(2), 383-391 (2003-01-15)
Prostate-specific antigen (PSA) is an androgen-regulated serine protease produced by both prostate epithelial cells and prostate cancer (PCa) and is the most commonly used serum marker for cancer. It is a member of the tissue kallikrein family, some of the
D A Armbruster
Clinical chemistry, 39(2), 181-195 (1993-02-01)
Prostate-specific antigen (PSA) is a glycoprotein produced exclusively by prostatic tissue. PSA's absolute tissue specificity makes it valuable as a forensic marker and, more important, as a tumor marker for prostatic cancer. Prostatic cancer is prevalent in the older male
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