CTSK antibody (PB9856) performs well in IHC, WB and shows reactivity with Human.

  • Validated for inter-lot consistency, specificity, and reproducibility
  • Committed to quality since 1993
  • Over 7 Publications
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Designing a Western blot for CTSK? The guide covers the expected band size, antibodies backed by real blot images, the controls to run alongside, and protocols taken from published papers.
Open the CTSK Western Blot Guide

Anti-Cathepsin K/CTSK Antibody Picoband®

CTSK antibody

Reactive SpeciesHostApplication
HumanRabbitIHC, WB

SKU: PB9856

Size: 100 μg

Bundle to save: I do not want free secondary ab
Price:
$370/100 μg

1 in stock in USA, Ships Next Business Day.

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Tested Applications

CTSK antibody was positively detected by WB in:

HELA whole cell, 22RV1 whole cell

Suggested blocking solution with 5% non-fat milk or BSA; (*)Recommended protein loading: 20-40 ug per lane

CTSK antibody was positively detected by IHC in:

human osteosarcoma tissue

Use EDTA pH 8.0 for antigen retrieval; (*) citrate buffer pH 6.0 is an alternative.

Recommend Dilution

Application
Dilution
Species
Immunohistochemistry (Paraffin-embedded Section)
0.5-1μg/ml
Human
Western blot
0.1-0.5μg/ml
Human

* It is recommended to optimize the amount of this reagent in each experimental system to achieve the best results.

Reactive Data

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IHC
IF
Human
Tested
Recommend
Monkey
Predicted
Predicted
Dog
Predicted
Predicted
Bovine
Predicted
Predicted
Sheep
Predicted
Predicted
Rabbit
Predicted
Predicted

Product Information

Product Name
Anti-Cathepsin K/CTSK Antibody Picoband®
View all CTSK Antibodies
Form
Lyophilized
Uniprot
Gene ID
Storage & Handling
Store at -20˚C for one year from date of receipt. After reconstitution, at 4˚C for one month. It can also be aliquotted and stored frozen at -20˚C for six months. Avoid repeated freeze-thaw cycles.
Host
Rabbit
Contents
Each vial contains antibody formulated with stabilizing components, 0.9 mg NaCl, 0.2 mg Na2HPO4, and 0.05 mg NaN3.
*This antibody is supplied in a stabilized formulation.
Compatibility with conjugation reactions depends on the chemistry of the conjugation method used.
For conjugation methods that are not compatible with the stabilizing components present in this formulation, a carrier-free antibody format is required.
Clonality
Polyclonal
Isotype
Rabbit IgG
Immunogen
E. coli-derived human Cathepsin K recombinant protein (Position: A115-M329). Human Cathepsin K shares 86.9% and 88.8% amino acid (aa) sequence identity with mouse and rat Cathepsin K, respectively.
Cross-Reactivity
No cross-reactivity with other proteins.
Reconstitution
Add 0.2ml of distilled water will yield a concentration of 500ug/ml.
Observed Molecular Weight
45 kDa
Calculated Molecular Weight

37.0 kDa

Background of CTSK
Cathepsin K, abbreviated CTSK, is an enzyme that in humans is encoded by the CTSK gene. It is mapped to 1q21. The protein encoded by this gene is a lysosomal cysteine protease involved in bone remodeling and resorption. And this protein, which is a member of the peptidase C1 protein family, is expressed predominantly in osteoclasts. Additionally, the enzyme's ability to catabolize elastin, collagen, and gelatin allow it to break down bone and cartilage. This catabolic activity is also partially responsible for the loss of lung elasticity and recoil inemphysema. Cathepsin K inhibitors, such as odanacatib, show great potential in the treatment of osteoporosis. Cathepsin K is degraded by Cathepsin S, called Controlled Cathepsin Cannibalism.
Cite This Product
Anti-Cathepsin K/CTSK Antibody Picoband® (Boster Biological Technology, Pleasanton CA, USA, Catalog # PB9856)

Protocols

Western Blot protocol for CTSK antibody
Immunohistochemistry (IHC) protocol for CTSK antibody

Publications

Application:
Species:
Sulforaphene Mitigates Periodontitis by NRF2‐Dependent Regulation of P. gingivalis‐Induced Inflammatory Response and Bone Homeostasis
Published: 2025-12-07
Journal: Food Science & Nutrition
Application: WB
Impact Factor: 3.80
Species: Mouse
PMID: 41368333
Extracellular vesicles derived from dental follicle stem cells regulate tooth eruption by inhibiting osteoclast differentiation
Published: 2024-12-20
Journal: Frontiers in Cell and Developmental Biology
Application: WB
Impact Factor: 4.60
Species: Mouse
PMID: 39834384
Integrated proteomics and metabolomics analysis of sclerosis-related proteins and femoral head necrosis following internal fixation of femoral neck fractures
Published: 2024-06-08
Journal: Scientific Reports
Application: WB
Impact Factor: 3.80
Species: Human
PMID: 38851808
Sulforaphene suppresses RANKL-induced osteoclastogenesis and LPS-induced bone erosion by activating Nrf2 signaling pathway
Published: 2023-07-07
Journal: FREE RADICAL BIOLOGY AND MEDICINE
Application: WB
Impact Factor: 7.40
Species: Mouse
PMID: 37423561
Cathepsin B deficiency ameliorates liver lipid deposition, inflammatory cell infiltration, and fibrosis after diet-induced nonalcoholic steatohepatitis
Published: 2020-05-11
Journal: Translational Research
Application: WB
Impact Factor: 5.41
Species: Mouse
PMID: 32434697
PC-3-Derived Exosomes Inhibit Osteoclast Differentiation by Downregulating miR-214 and Blocking NF-B Signaling Pathway
Published: 2019-04-01
Journal: Biomed Research International
Application: WB
Impact Factor: 2.20
Species: Human
PMID: 31058194
Autocrine and paracrine STIP1 signaling promote osteolytic bone metastasis in renal cell carcinoma
Published: 2017-02-09
Journal: Oncotarget
Application: WB
Impact Factor: 5.17
Species: Human
PMID: 28199984

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Product Promise

We promise Anti-Cathepsin K/CTSK Antibody Picoband® performs excellently in relevant applications for IHC, WB. If it doesn't perform as promised, we will refund the product. Learn more

In stock
Order Product
PB9856
Buy one primary antibody get one 0.5ml HRP or Biotin secondary antibody for free.
*Sample sizes are prepared on demand and will take extra lead time. (cannot be conjugated)
$370.00

Troubleshooting

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We promise all of our products perform as described in datasheets.

This product is for Research Use Only. Not for use in diagnostic procedures.

Update date: Oct 25, 2026