合成与降解（Synthesis and Degradation）
组织蛋白酶L(cathepsin L CL)属于木瓜蛋白酶家族中的半胱氨酸蛋白水解酶，以酶原的形式贮存于溶酶体中. 参与许多特殊的生理过程，如激素原的激活、抗原呈递、组织器官的发育等。
在病理状态下，因各种原因所致的细胞损伤(如病原微生物、炎症因子、氧化应激等)可降解细胞成分或细胞间质基质成分，包括层粘素、IV型胶原纤维及纤维连接素等，与人类许多疾病如肿瘤的浸润与转移、关节炎、骨质疏松、阿尔茨海姆病、多发性硬化症及其他慢性炎症性疾病有关.

产品介绍background:
The protein encoded by this gene is a lysosomal cysteine proteinase that plays a major role in intracellular protein catabolism. Its substrates include collagen and elastin, as well as alpha-1 protease inhibitor, a major controlling element of neutrophil elastase activity. The encoded protein has been implicated in several pathologic processes, including myofibril necrosis in myopathies and in myocardial ischemia, and in the renal tubular response to proteinuria. This protein, which is a member of the peptidase C1 family, is a dimer composed of disulfide-linked heavy and light chains, both produced from a single protein precursor. At least two transcript variants encoding the same protein have been found for this gene.

Function:
Important for the overall degradation of proteins in lysosomes.

Subunit:
Dimer of a heavy and a light chain linked by disulfide bonds.

Subcellular Location:
Lysosome.

Similarity:
Belongs to the peptidase C1 family.

SWISS:
P06797

Gene ID:
1514

Database links:
Entrez Gene: 1514 Human
Entrez Gene: 13039 Mouse
Entrez Gene: 25697 Rat
Omim: 116880 Human
SwissProt: P07711 Human
SwissProt: P06797 Mouse
SwissProt: P07154 Rat
Unigene: 726015 Human
Unigene: 930 Mouse
Unigene: 1294 Rat


Important Note:
This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications. 

品图片

Sample:  D5-16 Cell (Human) Lysate at 30 ug D5-23 Cell (Human) Lysate at 40 ug Primary: Anti- Cathepsin L (bs-1508R) at 1/300 dilution Secondary: IRDye800CW Goat Anti-Rabbit IgG at 1/20000 dilution Predicted band size: 19/30/37 kD Observed band size: 40/63 kD Sample:  A549 Cell (Human) Lysate at 30 ug K562 Cell (Human) Lysate at 30 ug Primary: Anti- Cathepsin L (bs-1508R) at 1/300 dilution Secondary: IRDye800CW Goat Anti-Rabbit IgG at 1/20000 dilution Predicted band size: 19/30/37 kD Observed band size: 40/63 kD Protein: line1, rat brain lysates, 30ug; line2, rat liver lysates, 30ug;  Primary: Anti-Cathepsin L (bs-1508R) at 1:200;  Secondary: HRP conjugated Goat-Anti-Rabbit IgG(bs-0295G-HRP) at 1: 3000;  ECL excitated the fluorescence;  Predicted band size : 37kD Observed band size : 19kD, 37kD Tissue/cell: human cervical carcinoma; 4% Paraformaldehyde-fixed and paraffin-embedded;  Antigen retrieval: citrate buffer ( 0.01M, pH 6.0 ), Boiling bathing for 15min; Block endogenous peroxidase by 3% Hydrogen peroxide for 30min; Blocking buffer (normal goat serum,C-0005) at 37℃ for 20 min;  Incubation: Anti-Cathepsin Polyclonal Antibody, Unconjugated(bs-1508R) 1:500, overnight at 4°C, followed by conjugation to the secondary antibody(SP-0023) and DAB(C-0010) staining Tissue/cell: rat pancreas tissue; 4% Paraformaldehyde-fixed and paraffin-embedded;  Antigen retrieval: citrate buffer ( 0.01M, pH 6.0 ), Boiling bathing for 15min; Block endogenous peroxidase by 3% Hydrogen peroxide for 30min; Blocking buffer (normal goat serum,C-0005) at 37℃ for 20 min;  Incubation: Anti-Cathepsin L Polyclonal Antibody, Unconjugated(bs-1508R) 1:200, overnight at 4°C, followed by conjugation to the secondary antibody(SP-0023) and DAB(C-0010) staining