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AB207743

Anti-SPARC antibody [EPR20121]

5

(2 Reviews)

|

(9 Publications)

Rabbit Recombinant Monoclonal SPARC antibody. Suitable for IP, WB, Flow Cyt (Intra) and reacts with Human samples. Cited in 9 publications.

View Alternative Names

ON, SPARC, Basement-membrane protein 40, Osteonectin, Secreted protein acidic and rich in cysteine, BM-40

5 Images
Flow Cytometry (Intracellular) - Anti-SPARC antibody [EPR20121] (AB207743)
  • Flow Cyt (Intra)

Supplier Data

Flow Cytometry (Intracellular) - Anti-SPARC antibody [EPR20121] (AB207743)

Intracellular flow cytometric analysis of 4% paraformaldehyde-fixed A-375 (Human malignant melanoma cell line) cells labeling SPARCwith ab207743 at 1/70 dilution (red) compared with a rabbit monoclonal IgG isotype control (ab172730; black) and an unlabeled control (cells without incubation with primary antibody and secondary antibody; blue). Goat anti rabbit IgG (Alexa Fluor® 488) at 1/2000 dilution was used as the secondary antibody.

Immunoprecipitation - Anti-SPARC antibody [EPR20121] (AB207743)
  • IP

Supplier Data

Immunoprecipitation - Anti-SPARC antibody [EPR20121] (AB207743)

SPARC was immunoprecipitated from 0.35 mg of A-375 (Human malignant melanoma cell line) whole cell lysate with ab207743 at 1/40 dilution.

Western blot was performed from the immunoprecipitate using ab207743 at 1/1000 dilution.

VeriBlot for IP Detection Reagent (HRP) (ab131366), was used for detection at 1/10000 dilution.

Lane 1 : A-375 whole cell lysate, 10μg (Input).

Lane 2 : ab207743 IP in A-375 whole cell lysate.

Lane 3 : Rabbit monoclonal IgG (ab172730) instead of ab207743 in A-375 whole cell lysate.

Blocking and dilution buffer and concentration : 5% NFDM/TBST.

Exposure time : 3 minutes.

All lanes:

Immunoprecipitation - Anti-SPARC antibody [EPR20121] (ab207743)

Predicted band size: 35 kDa

Observed band size: 43 kDa

false

Western blot - Anti-SPARC antibody [EPR20121] (AB207743)
  • WB

Supplier Data

Western blot - Anti-SPARC antibody [EPR20121] (AB207743)

Blocking/Dilution buffer : 5% NFDM/TBST.

All lanes:

Western blot - Anti-SPARC antibody [EPR20121] (ab207743) at 1/1000 dilution

Lane 1:

Human serum at 10 µg

Lane 2:

Human brain lysate at 10 µg

Secondary

All lanes:

Western blot - VeriBlot for IP Detection Reagent (HRP) (<a href='/en-us/products/reagents/veriblot-for-ip-detection-reagent-hrp-ab131366'>ab131366</a>) at 1/4000 dilution

Predicted band size: 35 kDa

Observed band size: 43 kDa

false

Exposure time: 5s

Western blot - Anti-SPARC antibody [EPR20121] (AB207743)
  • WB

Supplier Data

Western blot - Anti-SPARC antibody [EPR20121] (AB207743)

Blocking/Dilution buffer : 5% NFDM/TBST.

Exposure time : Lane 1 : 30 seconds; Lane 2/3 : 3 minutes.

The observed molecular weight is consistent with what has been described in the literature (PMID : 18442048).

All lanes:

Western blot - Anti-SPARC antibody [EPR20121] (ab207743) at 1/1000 dilution

Lane 1:

SH-SY5Y (Human neuroblastoma cell line from bone marrow) whole cell lysate at 20 µg

Lane 2:

A-375 (Human malignant melanoma cell line) whole cell lysate at 20 µg

Lane 3:

Human bone giant cell tumor lysate at 20 µg

Secondary

Lanes 1 - 2:

Western blot - Goat Anti-Rabbit IgG H&L (HRP) (<a href='/en-us/products/secondary-antibodies/goat-rabbit-igg-h-l-hrp-ab97051'>ab97051</a>) at 1/100000 dilution

Lane 3:

Western blot - VeriBlot for IP Detection Reagent (HRP) (<a href='/en-us/products/reagents/veriblot-for-ip-detection-reagent-hrp-ab131366'>ab131366</a>) at 1/4000 dilution

Predicted band size: 35 kDa

Observed band size: 43 kDa

false

Western blot - Anti-SPARC antibody [EPR20121] (AB207743)
  • WB

Lab

Western blot - Anti-SPARC antibody [EPR20121] (AB207743)

Lanes 1 - 2 : Merged signal (red and green). Green - ab207743 observed at 35 kDa. Red - loading control, ab130007, observed at 130 kDa.

ab207743 was shown to recognize SPARC in wild-type HAP1 cells as signal was lost at the expected MW in SPARC knockout cells. Additional cross-reactive bands were observed in the wild-type and knockout cells. Wild-type and SPARC knockout samples were subjected to SDS-PAGE. ab207743 and ab130007 (Mouse anti-Vinculin loading control) were incubated overnight at 4°C at 1/1000 dilution and 1/20000 dilution respectively. Blots were developed with Goat anti-Rabbit IgG H&L (IRDye® 800CW) preabsorbed ab216773 and Goat anti-Mouse IgG H&L (IRDye® 680RD) preabsorbed ab216776 secondary antibodies at 1/20000 dilution for 1 hour at room temperature before imaging.

All lanes:

Western blot - Anti-SPARC antibody [EPR20121] (ab207743) at 1/1000 dilution

Lane 1:

Wild-type HAP1 whole cell lysate at 20 µg

Lane 2:

SPARC knockout HAP1 whole cell lysate at 20 µg

Predicted band size: 35 kDa

Observed band size: 35 kDa

false

  • Carrier free

    Anti-SPARC antibody [EPR20121] - BSA and Azide free

  • Carrier free

    Anti-SPARC antibody [EPR20121] - BSA and Azide free (Capture)

  • Carrier free

    Anti-SPARC antibody [EPR20121] - Low endotoxin, Azide free

Key facts

Host species

Rabbit

Clonality

Monoclonal

Clone number

EPR20121

Isotype

IgG

Carrier free

No

Reacts with

Human

Applications

Flow Cyt (Intra), WB, IP

applications

Immunogen

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

Reactivity data

{ "title": "Reactivity Data", "filters": { "stats": ["", "Species", "Dilution Info", "Notes"], "tabs": { "all-applications": {"fullname" : "All Applications", "shortname": "All Applications"}, "IP" : {"fullname" : "Immunoprecipitation", "shortname":"IP"}, "WB" : {"fullname" : "Western blot", "shortname":"WB"}, "FlowCytIntra" : {"fullname" : "Flow Cytometry (Intracellular)", "shortname":"Flow Cyt (Intra)"}, "ICCIF" : {"fullname" : "Immunocytochemistry/ Immunofluorescence", "shortname":"ICC/IF"} }, "product-promise": { "all": "all", "testedAndGuaranteed": "tested", "guaranteed": "expected", "predicted": "predicted", "notRecommended": "not-recommended" } }, "values": { "Human": { "IP-species-checked": "testedAndGuaranteed", "IP-species-dilution-info": "1/40", "IP-species-notes": "<p></p>", "WB-species-checked": "testedAndGuaranteed", "WB-species-dilution-info": "1/1000", "WB-species-notes": "<p></p>", "FlowCytIntra-species-checked": "testedAndGuaranteed", "FlowCytIntra-species-dilution-info": "1/70", "FlowCytIntra-species-notes": "<p><a href='/en-us/products/primary-antibodies/rabbit-igg-monoclonal-epr25a-isotype-control-ab172730'>ab172730</a> - Rabbit monoclonal IgG, is suitable for use as an isotype control with this antibody.</p>", "ICCIF-species-checked": "notRecommended", "ICCIF-species-dilution-info": "", "ICCIF-species-notes": "" }, "Mouse": { "IP-species-checked": "notRecommended", "IP-species-dilution-info": "", "IP-species-notes": "", "WB-species-checked": "notRecommended", "WB-species-dilution-info": "", "WB-species-notes": "", "FlowCytIntra-species-checked": "notRecommended", "FlowCytIntra-species-dilution-info": "", "FlowCytIntra-species-notes": "", "ICCIF-species-checked": "notRecommended", "ICCIF-species-dilution-info": "", "ICCIF-species-notes": "<p></p>" } } }

Product details

Patented technology
Our RabMAb® technology is a patented hybridoma-based technology for making rabbit monoclonal antibodies. For details on our patents, please refer to RabMAb® patents.

What are the advantages of a recombinant monoclonal antibody?
This product is a recombinant monoclonal antibody, which offers several advantages including:

  • - High batch-to-batch consistency and reproducibility
  • - Improved sensitivity and specificity
  • - Long-term security of supply
  • - Animal-free batch production

For more information, read more on recombinant antibodies.

Properties and storage information

Form
Liquid
Purification technique
Affinity purification Protein A
Storage buffer
pH: 7.2 - 7.4 Preservative: 0.01% Sodium azide Constituents: PBS, 40% Glycerol (glycerin, glycerine), 0.05% 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.

SPARC also known as Secreted Protein Acidic and Rich in Cysteine or osteonectin is a glycoprotein with a molecular mass of approximately 32 to 43 kDa. It is widely expressed in various tissues notably within the bone skin and extracellular matrix. SPARC influences cell-matrix interactions and modulates cellular functions such as proliferation and migration. The protein plays a role in tissue remodeling and wound healing by interacting with structural components of the matrix and regulating cell adhesion.
Biological function summary

SPARC impacts processes related to cell communication and matrix dynamics. It does not form part of large complexes but functions through interactions with matrix molecules and receptors. SPARC regulates collagen fibrillogenesis and influences the bioavailability of growth factors. It further affects angiogenesis through its ability to alter cellular adhesion and spreading which impacts vascular development and repair processes.

Pathways

SPARC integrates into regulatory cascades such as the WNT signaling and TGF-β pathways. These pathways are essential for cellular growth repair and differentiation. In the context of the TGF-β signaling pathway SPARC modulates interactions with proteins like integrins and collagens impacting fibrotic processes and matrix assembly.

Alterations in SPARC expression show associations with cancer and fibrosis. The protein functions in tumor progression where it can influence tumor cell interactions with the stroma and affect cell migration and invasion. Furthermore in fibrotic diseases SPARC regulates the deposition and organization of collagen contributing to tissue stiffening. Connections are evident between SPARC and other matrix proteins like fibronectin known for their roles in these pathological conditions.

Product protocols

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

Target data

Appears to regulate cell growth through interactions with the extracellular matrix and cytokines. Binds calcium and copper, several types of collagen, albumin, thrombospondin, PDGF and cell membranes. There are two calcium binding sites; an acidic domain that binds 5 to 8 Ca(2+) with a low affinity and an EF-hand loop that binds a Ca(2+) ion with a high affinity.
See full target information SPARC

Publications (9)

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

APL bioengineering 9:036115 PubMed40895767

2025

PDPN+ cancer-associated fibroblasts correlate with the neoadjuvant immunotherapy response in gastric cancer.

Applications

Unspecified application

Species

Unspecified reactive species

Mi Jian,Zhensong Yang,Yutao Tang,Fangjie Jiang,Li Cai,Aina Liu,Jinchen Hu,Xixun Wang,Shuguang Liu,Dawei Zhao,Miaomiao Li,Hongbing Chen,Menglai Zhang,Zengwu Yao,Rongbao Jia,Ruyue Chen,Lixin Jiang,Yifei Zhang,Xicheng Song

iScience 27:111437 PubMed39717085

2024

Screening and molecular mechanism research on bile microRNAs associated with chemotherapy efficacy in perihilar cholangiocarcinoma.

Applications

Unspecified application

Species

Unspecified reactive species

Shijie Fu,Haizhen Du,Yuyang Dai,Kanglian Zheng,Guang Cao,Liang Xu,Yujie Zhong,Chuanxin Niu,Yan Kong,Xiaodong Wang

Regenerative therapy 25:290-301 PubMed38318480

2024

circ-Amotl1 in extracellular vesicles derived from ADSCs improves wound healing by upregulating SPARC translation.

Applications

Unspecified application

Species

Unspecified reactive species

Dazhou Wu,Shengyi Chen,Dongdong Huang,Zhipeng Huang,Na Zhen,Zhenxu Zhou,Jicai Chen

Neoplasma 69:1101-1107 PubMed35951457

2022

SPARC induces M2 polarization of macrophages to promote proliferation, migration, and angiogenesis of cholangiocarcinoma cells.

Applications

Unspecified application

Species

Unspecified reactive species

Shi-Kang Deng,Yun Jin,Yan Jin,Jun-Feng Wang

Oncology letters 21:485 PubMed33968201

2021

SPARC promotes pancreatic cancer cell proliferation and migration through autocrine secretion into the extracellular milieu.

Applications

Unspecified application

Species

Unspecified reactive species

Kehua Pan,Xince Huang,Xiufen Jia

Phytotherapy research : PTR 34:591-600 PubMed32011040

2020

Icariin inhibits proliferation, migration, and invasion of medulloblastoma DAOY cells by regulation of SPARC.

Applications

Unspecified application

Species

Unspecified reactive species

Yan Yang,Guifang Li

Journal of gastroenterology and hepatology 34:1860-1868 PubMed31041810

2019

Secreted protein acidic and rich in cysteine promotes epithelial-mesenchymal transition of hepatocellular carcinoma cells and acquisition of cancerstem cell phenotypes.

Applications

Unspecified application

Species

Unspecified reactive species

Xin Jiang,Fengchao Liu,Yiying Wang,Jian Gao

Oncology letters 15:4323-4329 PubMed29541199

2018

MicroRNA-211 suppresses prostate cancer proliferation by targeting SPARC.

Applications

Unspecified application

Species

Unspecified reactive species

Peng Hao,Bo Kang,Guoqing Yao,Wenqi Hao,Feihong Ma

Oncotarget 8:104508-104524 PubMed29262657

2017

hsa-miR-29c-3p regulates biological function of colorectal cancer by targeting SPARC.

Applications

Unspecified application

Species

Unspecified reactive species

Shitong Zhang,Jianjun Jin,Xiaoxiao Tian,Lijuan Wu
View all publications

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