Differential Regulation of Cathepsin S and Cathepsin L in Interferon γ–treated Macrophages

نویسندگان
چکیده

برای دانلود باید عضویت طلایی داشته باشید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Differential Regulation of Cathepsin S and Cathepsin L in Interferon γ–treated Macrophages

Cathepsin S (catS) and cathepsin L (catL) mediate late stages of invariant chain (Ii) degradation in discrete antigen-presenting cell types. Macrophages (Mphis) are unique in that they express both proteases and here we sought to determine the relative contribution of each enzyme. We observe that catL plays no significant role in Ii cleavage in interferon (IFN)-gamma-stimulated Mphis. In additi...

متن کامل

A role for cathepsin L and cathepsin S in peptide generation for MHC class II presentation.

The enzymes that degrade proteins to peptides for presentation on MHC class II molecules are poorly understood. The cysteinal lysosomal proteases, cathepsin L (CL) and cathepsin S (CS), have been shown to process invariant chain, thereby facilitating MHC class II maturation. However, their role in Ag processing is not established. To examine this issue, we generated embryonic fibroblast lines t...

متن کامل

Differential regulation of the nature and functions of dendritic cells and macrophages by cathepsin E.

The aspartic proteinase cathepsin E is localized mainly in the endosomal structures of APCs and has been implicated in a variety of immune responses, however, the precise roles of cathepsin E in these cells remain speculative. In this study, we report the effect of disrupting the gene encoding cathepsin E on the nature and functions of dendritic cells (DCs) and macrophages derived from mouse bo...

متن کامل

Human liver cathepsin L.

Cathepsin L was purified to apparent homogeneity from human liver obtained post mortem. It was necessary to treat the homogenate at pH 4.2 and 37 degrees C to release active enzyme. The purification procedure involved ion-exchange chromatography on carboxymethyl-Sephadex and the Mono S column of a Pharmacia fast-protein-liquid-chromatography system. The enzyme was found to consist of two polype...

متن کامل

Regulation of cathepsin B

Most malignant tumors show increased transcriptional activation of cathepsin B. More than a decade ago, Qian, et al. identified that increased expression of cathepsin B in B16a melanoma cells is due to a specific increase in the amount or activity of a transcriptional activator of the cathepsin B gene [50]. Later, the research group of Sloane, et al., found that more than one promoter could dir...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

ژورنال

عنوان ژورنال: Journal of Experimental Medicine

سال: 2003

ISSN: 1540-9538,0022-1007

DOI: 10.1084/jem.20020978