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AB74524

Anti-COMP/Cartilage oligomeric matrix protein antibody

4

(3 Reviews)

|

(19 Publications)

Rabbit Polyclonal COMP/Cartilage oligomeric matrix protein antibody. Suitable for WB and reacts with Human samples. Cited in 19 publications.

View Alternative Names

Cartilage oligomeric matrix protein, COMP, Thrombospondin-5, TSP5

2 Images
Western blot - Anti-COMP/Cartilage oligomeric matrix protein antibody (AB74524)
  • WB

Lab

Western blot - Anti-COMP/Cartilage oligomeric matrix protein antibody (AB74524)

This blot was produced using a 4-12% Bis-tris gel under the MOPS buffer system. The gel was run at 200V for 50 minutes before being transferred onto a Nitrocellulose membrane at 30V for 70 minutes. The membrane was then blocked for an hour using 3% milk before being incubated with ab74524 overnight at 4°C. Antibody binding was detected using an anti-rabbit antibody conjugated to HRP, and visualised using ECL development solution ab133406

All lanes:

Western blot - Anti-COMP/Cartilage oligomeric matrix protein antibody (ab74524) at 1 µg/mL

Lane 1:

Human skeletal muscle tissue lysate at 10 µg

Lane 2:

Human heart tissue lysate at 10 µg

Secondary

All lanes:

Goat polyclonal to Rabbit IgG - H&L - Pre-Adsorbed (HRP) at 1/50000 dilution

Predicted band size: 82 kDa

Observed band size: 100 kDa

true

Exposure time: 20min

Western blot - Anti-COMP/Cartilage oligomeric matrix protein antibody (AB74524)
  • WB

CiteAb

Western blot - Anti-COMP/Cartilage oligomeric matrix protein antibody (AB74524)

COMP/Cartilage oligomeric matrix protein western blot using anti-COMP/Cartilage oligomeric matrix protein antibody ab74524. Publication image and figure legend from Wang, C., Chen, Y., et al., 2020, FEBS Open Bio, PubMed 32692461.

ab74524 was used in this publication in western blot. This may not be the same as the application(s) guaranteed by Abcam. For a full list of applications guaranteed by Abcam for ab74524 please see the product overview.

Comp was degraded by ADAMTS7 in OS cells. (A) Western blot of Comp protein levels in OS tissues and adjacent tissues (n = 26). P value by Student's t‐test The relative expression level was quantified. (B) Protein expression levels are presented as the log2 (fold‐change)in OS samples relative to the adjacent tissues. (C) Correlation of ADAMTS7 and Comp protein in OS tissues. (D) Representative images of western blot for full‐length Comp and degradation fragment in MG63 cells after ADAMTS7 overexpressing or silencing (n = 3).

false

Key facts

Host species

Rabbit

Clonality

Polyclonal

Isotype

IgG

Carrier free

No

Reacts with

Human

Applications

WB

applications

Immunogen

The exact immunogen used to generate this antibody is proprietary information.

Reactivity data

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Properties and storage information

Form
Liquid
Purification technique
Affinity purification Immunogen
Storage buffer
pH: 7.4 Preservative: 0.02% Sodium azide Constituents: PBS, 1% BSA
Shipped at conditions
Blue Ice
Appropriate short-term storage duration
1-2 weeks
Appropriate short-term storage conditions
+4°C
Appropriate long-term storage conditions
-20°C
Aliquoting information
Upon delivery aliquot
Storage information
Avoid freeze / thaw cycle

Supplementary information

This supplementary information is collated from multiple sources and compiled automatically.

The Cartilage Oligomeric Matrix Protein (COMP) also known as oligomeric protein or COMP cartilage protein is a structural component found in the extracellular matrix of cartilage tissues. This matrix protein has a mass of approximately 524 kDa and is predominantly expressed in cartilage particularly hyaline cartilage. COMP forms pentameric structures which make it an important supporting element in the stability and resilience of cartilage. Researchers often use techniques like COMP ELISA to quantify its levels in biological samples.
Biological function summary

COMP interacts with other extracellular matrix components to enhance structural integrity and function of cartilage tissue. It performs significant roles in the organization and maintenance of the matrix tethering fibrillar proteins and supporting cellular interaction. COMP is not typically part of a large complex but works closely with collagens and other matrix proteins to form a robust and flexible extracellular environment.

Pathways

COMP participates in pathways associated with cartilage formation and turnover. It engages in chondrocyte-mediated processes that are vital for endochondral ossification and cartilage repair. Within these pathways it interacts with proteins such as collagen type II and decorin which facilitate the organization and mineralization of cartilage matrix. These interactions highlight the protein's importance in maintaining cartilage architecture and function.

COMP plays a role in chondrodysplasias and osteoarthritis. Mutations in the COMP gene can lead to skeletal disorders like pseudoachondroplasia and multiple epiphyseal dysplasia causing growth and developmental anomalies. In osteoarthritis alterations in COMP levels may serve as an indicator of cartilage degradation. COMP's relationships with proteins like aggrecan and matrilin-3 in these contexts highlight its involvement in pathologies that affect cartilage structure and health.

Product protocols

For this product, it's our understanding that no specific protocols are required. You can visit:

Target data

Plays a role in the structural integrity of cartilage via its interaction with other extracellular matrix proteins such as the collagens and fibronectin. Can mediate the interaction of chondrocytes with the cartilage extracellular matrix through interaction with cell surface integrin receptors (PubMed : 16051604, PubMed : 16542502). Could play a role in the pathogenesis of osteoarthritis (PubMed : 16542502). Potent suppressor of apoptosis in both primary chondrocytes and transformed cells. Suppresses apoptosis by blocking the activation of caspase-3 and by inducing the IAP family of survival proteins (BIRC3, BIRC2, BIRC5 and XIAP) (PubMed : 17993464). Essential for maintaining a vascular smooth muscle cells (VSMCs) contractile/differentiated phenotype under physiological and pathological stimuli. Maintains this phenotype of VSMCs by interacting with ITGA7 (By similarity).
See full target information COMP

Publications (19)

Recent publications for all applications. Explore the full list and refine your search

American journal of physiology. Lung cellular and molecular physiology 323:L400-L409 PubMed35943724

2022

Endothelin-1 depletion of cartilage oligomeric matrix protein modulates pulmonary artery superoxide and iron metabolism-associated mitochondrial heme biosynthesis.

Applications

Unspecified application

Species

Unspecified reactive species

Hang Yu,Norah Alruwaili,Melissa R Kelly,Bin Zhang,Aijing Liu,Yingqi Wang,Dong Sun,Michael S Wolin

Science signaling 14:eabj2807 PubMed34813359

2021

Adipocyte-derived exosomes may promote breast cancer progression in type 2 diabetes.

Applications

Unspecified application

Species

Unspecified reactive species

Naser Jafari,Manohar Kolla,Tova Meshulam,Jordan S Shafran,Yuhan Qiu,Allison N Casey,Isabella R Pompa,Christina S Ennis,Carla S Mazzeo,Nabil Rabhi,Stephen R Farmer,Gerald V Denis

Scientific reports 11:4690 PubMed33633222

2021

Adipose-derived mesenchymal stem cells differentiate into heterogeneous cancer-associated fibroblasts in a stroma-rich xenograft model.

Applications

Unspecified application

Species

Unspecified reactive species

Yoshihiro Miyazaki,Tatsuya Oda,Yuki Inagaki,Hiroko Kushige,Yutaka Saito,Nobuhito Mori,Yuzo Takayama,Yutaro Kumagai,Toutai Mitsuyama,Yasuyuki S Kida

Cell cycle (Georgetown, Tex.) 20:96-111 PubMed33410373

2021

Over-expression of MEG3 promotes differentiation of bone marrow mesenchymal stem cells into chondrocytes by regulating miR-129-5p/RUNX1 axis.

Applications

Unspecified application

Species

Unspecified reactive species

Jun Zhu,Qiwei Fu,Jiahua Shao,Jinhui Peng,Qirong Qian,Yiqin Zhou,Yi Chen

FEBS open bio 10:1856-1867 PubMed32692461

2020

ADAMTS7 degrades Comp to fuel BMP2-dependent osteogenic differentiation and ameliorate oncogenic potential in osteosarcomas.

Applications

Unspecified application

Species

Unspecified reactive species

Chao Wang,Yunqing Chen,Hongfei Xiang,Xiaolin Wu,Qian Tang,Xuexiao Ma,Lu Zhang

Clinical proteomics 16:34 PubMed31467500

2019

Potential early clinical stage colorectal cancer diagnosis using a proteomics blood test panel.

Applications

Unspecified application

Species

Unspecified reactive species

Seong Beom Ahn,Samridhi Sharma,Abidali Mohamedali,Sadia Mahboob,William J Redmond,Dana Pascovici,Jemma X Wu,Thiri Zaw,Subash Adhikari,Vineet Vaibhav,Edouard C Nice,Mark S Baker

Biomaterials 222:119456 PubMed31476662

2019

Chiral geometry regulates stem cell fate and activity.

Applications

Unspecified application

Species

Unspecified reactive species

Lingqing Dong,Jiaxing Gong,Yanzhong Wang,Jianxiang He,Dongqi You,Ying Zhou,Qi Li,Yu Liu,Kui Cheng,Jin Qian,Wenjian Weng,Huiming Wang,Mengfei Yu

American journal of physiology. Lung cellular and 317:L569-L577 PubMed31389735

2019

Potential role of cartilage oligomeric matrix protein in the modulation of pulmonary arterial smooth muscle superoxide by hypoxia.

Applications

Unspecified application

Species

Unspecified reactive species

Hang Yu,Norah Alruwaili,Bing Hu,Melissa R Kelly,Bin Zhang,Dong Sun,Michael S Wolin

American journal of translational research 11:2232-2244 PubMed31105831

2019

MicroRNA-495 enhances chondrocyte apoptosis, senescence and promotes the progression of osteoarthritis by targeting AKT1.

Applications

Unspecified application

Species

Unspecified reactive species

Xingyu Zhao,Tiejun Wang,Bo Cai,Xiaoning Wang,Wei Feng,Yu Han,Dongsong Li,Shuqiang Li,Jianguo Liu

Equine veterinary journal 51:787-794 PubMed30815897

2019

The use of equine chondrogenic-induced mesenchymal stem cells as a treatment for osteoarthritis: A randomised, double-blinded, placebo-controlled proof-of-concept study.

Applications

Unspecified application

Species

Unspecified reactive species

S Y Broeckx,A M Martens,A L Bertone,L Van Brantegem,L Duchateau,L Van Hecke,M Dumoulin,M Oosterlinck,K Chiers,H Hussein,F Pille,J H Spaas
View all publications

Product promise

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