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MABT401

Sigma-Aldrich

Anti-Lubricin Antibody/Proteoglycan 4, clone 9G3

clone 9G3, from mouse

Sinónimos:

Proteoglycan 4, Lubricin, Megakaryocyte-stimulating factor, Superficial zone proteoglycan, Proteoglycan 4 C-terminal part

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About This Item

UNSPSC Code:
12352203
eCl@ss:
32160702
NACRES:
NA.41

biological source

mouse

Quality Level

antibody form

purified immunoglobulin

antibody product type

primary antibodies

clone

9G3, monoclonal

species reactivity

rat, human

technique(s)

immunohistochemistry: suitable (paraffin)
western blot: suitable

isotype

IgG1κ

NCBI accession no.

UniProt accession no.

shipped in

wet ice

target post-translational modification

unmodified

Gene Information

human ... PRG4(10216)

General description

The protein called Lubricin/Proteoglycan 4 is an important secreted protein in the joint critical for joint function and thus is also a focus of research in joint diseases as well. Lubricin/Proteoglycan 4 plays a role in boundary lubrication and prevents the deposition of cartilage from the synovial fluid by controlling the synovial growth of the synovial cells and inhibiting the adhesion of the cells to the cartilage surface. During development, Lubricin/Proteoglycan 4 also acts as a growth factor for hematopoietic and endothelial cell lineages, and Lubricin/Proteoglycan 4 appears important for proper barrier and lubrication development in tissues like the eye. Lubricin/Proteoglycan 4 is highly expressed in joints and near joint boundaries but can also be found in the brain, heart, lung, kidney and other tissues. Lubricin/Proteoglycan 4 has several isoforms that differ in their cell and tissue expression. Isoform C and D are the most widely expressed forms. Finally because of its effects on surfaces, Lubricin/Proteoglycan 4 is being examined in tissue engineering and artificial cartilage development as a treatment for joint diseases.

Immunogen

Recombinant protein corresponding to human Lubricin/Proteoglycan 4.

Application

Immunohistochemistry Analysis: A 1:1,000 dilution from a representative lot detected Lubricin/Proteoglycan 4 in human liver and human heart tissue.
Immunohistochemistry Analysis: A representative lot detected Lubricin/Proteoglycan 4 in articular cartilage tissue (Elsaid, K.A, et al. (2012). Osteoarthritis and Cartilage. 20:940-948).
Immunohistochemistry Analysis: A representative lot detected Lubricin/Proteoglycan 4 in rat arterial cartilage tissue (Jay, G.D, et al. (2012). Arthritis & Rheumatism. 64(4):940-948).
Immunohistochemistry Analysis: A representative lot detected Lubricin/Proteoglycan 4 in articular cartilage from rat
(Manuscript in preparation).
Western Blotting Analysis: A representative lot detected Lubricin/Proteoglycan 4 in lubricin purified from synovial fluid of patients (Manuscript in preparation).
This Anti-Lubricin Antibody/Proteoglycan 4, clone 9G3 is validated for use in Western Blotting and Immunohistochemistry (Paraffin) for the detection of Lubricin/Proteoglycan 4.

Quality

Evaluated by Western Blotting in Lubricin purified protein.

Western Blotting Analysis: 0.02 µg/mL of this antibody detected Lubricin/Proteoglycan 4 in 1 µg of Lubricin purified protein.

Target description

~220 kDa observed. The calculated molecular weight of this protein is 151 kDa with many isoforms observed around 145 kDa and it can run higher due to glycosylation.

Physical form

Format: Purified

Other Notes

Concentration: Please refer to lot specific datasheet.

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Optional

Storage Class

12 - Non Combustible Liquids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable


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Zhong Li et al.
Advanced science (Weinheim, Baden-Wurttemberg, Germany), 9(21), e2105909-e2105909 (2022-04-19)
Diseases of the knee joint such as osteoarthritis (OA) affect all joint elements. An in vitro human cell-derived microphysiological system capable of simulating intraarticular tissue crosstalk is desirable for studying etiologies/pathogenesis of joint diseases and testing potential therapeutics. Herein, a
Amy C Madl et al.
ACS applied materials & interfaces, 14(16), 18016-18030 (2022-04-14)
Dry eye disease (DED) affects more than 100 million people worldwide, causing significant patient discomfort and imposing a multi-billion-dollar burden on global health care systems. In DED patients, the natural biolubrication process that facilitates pain-free blinking goes awry due to
Amanda Watkins et al.
BMC veterinary research, 17(1), 189-189 (2021-05-14)
Lameness is a debilitating condition in equine athletes that leads to more performance limitation and loss of use than any other medical condition. There are a limited number of non-terminal experimental models that can be used to study early inflammatory
Elizabeth Feeney et al.
Journal of orthopaedic research : official publication of the Orthopaedic Research Society, 37(5), 1071-1079 (2019-03-13)
The objective of this study was to examine temporal variations in synovial fluid composition and lubrication following articular fracture. Post-traumatic osteoarthritis (PTOA) was induced by creating an osteochondral fracture in the middle carpal joint of four horses while the contralateral
R M Irwin et al.
Osteoarthritis and cartilage, 28(4), 492-501 (2020-02-28)
Viscosupplementation has been used for decades to treat mild to moderate osteoarthritis, yet it is unknown if the lubricating function of different pathological synovial fluids (SF) vary, or if they respond differentially to viscosupplementation. The objectives of this study were

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