Human Angiogenesis Array C2

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Detection Method
Method Type
Sandwich ELISA
Antibody Array (AA)
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Supplier Product No.
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Purpose C-Series Human Angiogenesis Antibody Array 2 Kit. Detects 23 Human Angiogenic Factors. Suitable for all liquid sample types.
Brand RayBio®
Sample Type Serum, Plasma, Cell Culture Supernatant, Cell Lysate, Tissue Lysate
Analytical Method Semi-Quantitative
Detection Method Chemiluminescent
Specificity Angiopoietin-1, Angiopoietin-2, Angiostatin, Endostatin, GCSF, GM-CSF, I-309 (TCA-3/CCL1), IL-10, IL-1 alpha (IL-1 F1), IL-1 beta (IL-1 F2), IL-2, IL-4, I-TAC (CXCL11), MCP-3 (MARC/CCL7), MCP-4 (CCL13), MMP-1, MMP-9, PECAM-1 (CD31), Tie-2, TNF alpha, uPAR, VEGFR2, VEGFR3
  • Easy to use
  • No specialized equipment needed
  • Compatible with nearly any liquid sample
  • Proven technology (many publications)
  • Highly sensitive (pg/mL)
  • Sandwich ELISA specificity
  • Higher density than ELISA, Western blot or bead-based multiplex
Components Antibody Array Membranes
Biotinylated Detection Antibody Cocktail
Blocking Buffer
Wash Buffers 1 and 2
Cell & Tissue Lysis Buffer
Detection Buffers C and D
Plastic Incubation Tray
Protease Inhibitor Cocktail (in select kits)
Material not included Pipettors, pipet tips and other common lab consumables
Orbital shaker or oscillating rocker
Tissue Paper, blotting paper or chromatography paper
Adhesive tape or Saran Wrap
Distilled or de-ionized water
A chemiluminescent blot documentation system (such as UVP's ChemiDoc-It® or EpiChem II Benchtop Darkroom), X-ray Film and a suitable film processor, or another chemiluminescent detection system.
Application Notes Perform ALL incubation and wash steps under gentle rotation or rocking motion (~0.5 to 1 cycle/sec) using an orbital shaker or oscillating rocker to ensure complete and even reagent/sample coverage. Rocking/rotating too vigorously may cause foaming or bubbles to appear on the membrane surface which, should be avoided. All washes and incubations should be performed in the Incubation Tray (ITEM 10) provided in the kit. Cover the Incubation Tray with the lid provided during all incubation steps to avoid evaporation and outside debris contamination. Ensure the membranes are completely covered with sufficient sample or reagent volume during each incubation. Avoid forceful pipetting directly onto the membrane, instead, gently pipette samples and reagents into a corner of each well. Aspirate samples and reagents completely after each step by suctioning off excess liquid with a pipette. Tilting the tray so the liquid moves to a corner and then pipetting is an effective method. Optional overnight incubations may be performed for the following step to increase overall spot signal intensities:
- Sample Incubation
- Biotinylated Antibody Cocktail Incubation
- HRP-Streptavidin Incubation

The C-Series arrays feature chemiluminescent signal detection. The antibodies are spotted on nitrocellulose membrane solid supports and are handled in a very similar manner to Western blots.
All C-Series arrays work on the sandwich ELISA principle, utilizing a matched pair of antibodies: an immobilized capture antibody and a corresponding biotinylated detection antibody.

Sample Volume 1 mL
Plate Membrane
  1. Block membranes
  2. Incubate with Sample
  3. Incubate with Biotinylated Detection Antibody Cocktail
  4. Incubate with HRP-Conjugated Streptavidin
  5. Incubate with Detection Buffers
  6. Image with chemiluminescent imaging system
  7. Perform densitometry and analysis
Sample Preparation

Use serum-free conditioned media if possible. If serum-containing conditioned media is required, it is highly recommended that complete medium be used as a control since many types of sera contains cytokines. We recommend the following parameters for your samples: 50 to 100 µl of original or diluted serum, plasma, cell culture media, or other body fluid, or 50-500 µg/ml of protein for cell and tissue lysates. If you experience high background or if the fluorescent signal intensities exceed the detection range, further dilution of your sample is recommended.

Assay Procedure
  1. Place each membrane into the provided eight-well tray (- means the antibody printed side). 2. Add 2 ml 1X Blocking Buffer and incubate at room temperature for 30 min to block membranes. Note: incubation may be done at 4 °C for overnight. 3. Incubate membranes with 1ml of sample at room temperature for 1 to 2 hours. Dilute sample using 1X Blocking Buffer if necessary. Note: We recommend using 1 ml of Conditioned media or 1 ml of original or 10-fold diluted sera or plasma or 50-500 µg of protein for cell lysates and tissue lysates. Dilute the lysate at least 10 folds with 1 X blocking buffer. Note: The amount of sample used depends on the abundance of cytokines. More of the sample can be used if the signals are too weak. If the signals are too strong, the sample can be diluted further. Note: Incubation may be done at 4 °C for overnight. 4. Decant the samples from each container, and wash 3 times with 2 ml of 1X Wash Buffer I at room temperature with shaking. Please allow 5 min per wash. Dilute 20X Wash Buffer I with H 2 O. 5. Wash 2 times with 2 ml of 1X Wash Buffer II at room temperature with shaking. Allow 5 min per wash. Dilute 20X Wash Buffer II with H 2 O. 6. Prepare working solution for primary antibody. Add 100µl of 1X blocking buffer to the Biotin-Conjugated Anti- Cytokines tube. Mix gently and transfer all mixture to a tube containing 2 ml of 1X blocking buffer. Note: the diluted biotin-conjugated antibodies can be stored at 4 °C for 2-3 days. 7. Add 1 ml of diluted biotin-conjugated antibodies to each membrane. Incubate at room temperature for 1-2 hours. Note: incubation may be done at 4 °C for overnight. 8. Wash as directed in steps 4 and 5. 9. Add 2 ml of 1,000 fold diluted HRP-conjugated streptavidin (e.g. add 2 µl of HRP-conjugated streptavidin to 1998 µl 1X Blocking Buffer) to each membrane. Note: Mix the tube containing 1,000X HRP-Conjugated Streptavidin well before use since precipitation may form during storage. 10. Incubate at room temperature for 2 hours. Note: incubation may be done at 4 °C for overnight. 11. Wash as directed in steps 4 and 5.
    Do not let the membrane dry out during detection. The detection process must be completed within 40 minutes without stopping. 1. Proceed with the detection reaction. Add 250µl of 1X Detection Buffer C and 250µl of 1X Detection Buffer D for one membrane, mix both solutions. Drain off excess wash buffer by holding the membrane vertically with forceps. Place membrane protein side up ( - mark is on the protein side top left corner) on a clean plastic sheet (provided in the kit). Pipette the mixed Detection Buffer onto the membrane and incubate at room temperature for 2 minutes. Ensure that the detection mixture is completely and evenly covering the membrane without any air bubbles. 2. Drain off any excess detection reagent by holding the membrane vertically with forceps and touching the edge against a tissue. Gently place the membrane, protein side up, on a piece of plastic sheet ( - mark is on the protein side top left corner). Cover with another piece of plastic sheet on the array. Gently smooth out any air bubbles. Avoid using pressure on the membrane. 3. Expose the array to x-ray film (we recommend to use Kodak x-omat AR film) and detect signal using film developer. Or the signal can be detected directly from the membrane using a chemiluminescence imaging system. Expose the membranes for 40 seconds and then re-expose the film according to the intensity of signals. If the signals are too strong (background too high), reduce exposure time (e.g. 5-30 seconds). If the signals are too weak, increase exposure time (e.g. 5-20 min or overnight). Or re-incubate membranes overnight with 1x HRP-conjugated streptavidin, and redo detection in the second day. 4. Save membranes in -20° C to -80° C for future reference.
Calculation of Results

Visual comparison of array images may be sufficient to see differences in relative protein expression. However, most researchers will want to perform numerical comparisons of the signal intensities (or more precisely, signal densities), using 2-D densitometry. Gel/Blot documentation systems and other chemiluminescent or phosphorescent detection systems are usually sold as a package with compatible densitometry software. Any densitometry software should be sufficient to obtain spot signal densities from your scanned images. One such software program, ImageJ, is available for free from the NIH website along with an array plug-in.

Assay Precision Inter-array Coefficient of Variation (CV) of spot signal intensities as low as 5% when run under optimal conditions.
Restrictions For Research Use only
Handling Advice The antibody printed side of each membrane is marked by a dash (-) or number (#) in the upper left corner. Do not allow membranes to dry out during the experiment or they may become fragile and break OR high and/or uneven background may occur. Grasp membranes by the corners or edges only using forceps. DO NOT touch printed antibody spots.
Storage -20 °C
Storage Comment For best results, store the entire kit frozen at -20°C upon arrival. Stored frozen, the kit will be stable for at least 6 months which is the duration of the product warranty period. Once thawed, store array membranes and 1X Blocking Buffer at -20°C and all other reagents undiluted at 4°C for no more than 3 months.
Expiry Date 6 months
Supplier Images
 image for Human Angiogenesis Array C2 (ABIN625517) Human Angiogenesis Array C2
Product cited in: Li, Zhang, Tang, Zhao, Gao, Gao, Cui, Liu: "Expression of factors involved in the regulation of angiogenesis in the full-term human placenta: Effects of in vitro fertilization." in: Reproductive biology, Vol. 16, Issue 2, pp. 104-12, 2017 (PubMed). (Sample species: Human). Further details: Sample: Tissue lysate (Placental Protein, 1mg)

Rezzola, Corsini, Chiodelli, Cancarini, Nawaz, Coltrini, Mitola, Ronca, Belleri, Lista, Rusciano, De Rosa, Pavone, Semeraro, Presta: "Inflammation and N-formyl peptide receptors mediate the angiogenic activity of human vitreous humour in proliferative diabetic retinopathy." in: Diabetologia, Vol. 60, Issue 4, pp. 719-728, 2017 (PubMed). (Sample species: Human). Further details: Sample: Vitreous Fluid (Proliferative diabetic retinopathy)

Zhu, Cheng, Shi, Jiacheng, Chen, Jin, Liu, Pyo, Ye, Zhu, Wang, Chen, Fang, Cai, Wang, Yang, Tu: "Crosstalk between bone marrow-derived myofibroblasts and gastric cancer cells regulates cancer stemness and promotes tumorigenesis." in: Oncogene, Vol. 35, Issue 41, pp. 5388-5399, 2017 (PubMed).

Wu, Fan, Liu, Zhang, Liu, Wei, Shen, Cao, Wang, Lu: "The angiogenic responses induced by release of angiogenic proteins from tumor cell-activated platelets are regulated by distinct molecular pathways." in: IUBMB life, Vol. 67, Issue 8, pp. 626-33, 2016 (PubMed).

Joo, Song, Seo, Shin, Choi, Park, Yu, Hong, Lim: "Human endothelial colony forming cells from adult peripheral blood have enhanced sprouting angiogenic potential through up-regulating VEGFR2 signaling." in: International journal of cardiology, Vol. 197, pp. 33-43, 2016 (PubMed).

Bodnar, Wells: "Differential regulation of pericyte function by the CXC receptor 3." in: Wound repair and regeneration : official publication of the Wound Healing Society [and] the European Tissue Repair Society, Vol. 23, Issue 6, pp. 785-96, 2016 (PubMed).

Unterman, Freiman, Beckerman, Abraham, Stanley, Levy, Artzi, Edelman: "Tuning of collagen scaffold properties modulates embedded endothelial cell regulatory phenotype in repair of vascular injuries in vivo." in: Advanced healthcare materials, Vol. 4, Issue 15, pp. 2220-8, 2016 (PubMed).

Shimura, Dagher, Sachdev, Ebi, Yamada, Yamada, Joh, Moses: "Urinary ADAM12 and MMP-9/NGAL complex detect the presence of gastric cancer." in: Cancer prevention research (Philadelphia, Pa.), Vol. 8, Issue 3, pp. 240-8, 2015 (PubMed).

Chung, Rytlewski, Merchant, Dhada, Lewis, Suggs: "Fibrin-based 3D matrices induce angiogenic behavior of adipose-derived stem cells." in: Acta biomaterialia, Vol. 17, pp. 78-88, 2015 (PubMed).

Gawri, Rosenzweig, Krock, Ouellet, Stone, Quinn, Haglund: "High mechanical strain of primary intervertebral disc cells promotes secretion of inflammatory factors associated with disc degeneration and pain." in: Arthritis research & therapy, Vol. 16, Issue 1, pp. R21, 2015 (PubMed).

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van Oorschot, Smits, Pardali, Doevendans, Goumans: "Low oxygen tension positively influences cardiomyocyte progenitor cell function." in: Journal of cellular and molecular medicine, Vol. 15, Issue 12, pp. 2723-34, 2012 (PubMed). (Sample species: Human). Further details: Sample: Conditioned Media

Chan, Sack, Quigley, Sathe, Vijmasi, Li, Holsclaw, Strauss, McNamara: "Membrane array analysis of tear proteins in ocular cicatricial pemphigoid." in: Optometry and vision science : official publication of the American Academy of Optometry, Vol. 88, Issue 8, pp. 1005-9, 2012 (PubMed).

Abajo, Bitarte, Zarate, Boni, Lopez, Gonzalez-Huarriz, Rodriguez, Bandres, Garcia-Foncillas: "Identification of colorectal cancer metastasis markers by an angiogenesis-related cytokine-antibody array." in: World journal of gastroenterology, Vol. 18, Issue 7, pp. 637-45, 2012 (PubMed).

Li, Huang, Ho, Chu, Cha, Tsai, Ko, Chang, Tan: "The role of IL-8 in the SDF-1α/CXCR4-induced angiogenesis of laryngeal and hypopharyngeal squamous cell carcinoma." in: Oral oncology, Vol. 48, Issue 6, pp. 507-15, 2012 (PubMed).

Chan, Yee Ko, Chan, Chan, Tao, Hyytiainen, Keski-Oja, Law, Srivastava, Tang, Tsao, Chen, Stanbridge, Lung: "The ECM protein LTBP-2 is a suppressor of esophageal squamous cell carcinoma tumor formation but higher tumor expression associates with poor patient outcome." in: International journal of cancer, Vol. 129, Issue 3, pp. 565-73, 2011 (PubMed).

Raghu, Lakka, Gondi, Mohanam, Dinh, Gujrati, Rao: "Suppression of uPA and uPAR attenuates angiogenin mediated angiogenesis in endothelial and glioblastoma cell lines." in: PLoS ONE, Vol. 5, Issue 8, pp. e12458, 2010 (PubMed).

Moon, Kim, Kim, Kim, Lee, Bae, Sung, Jung: "Human adipose tissue-derived mesenchymal stem cells improve postnatal neovascularization in a mouse model of hindlimb ischemia." in: Cellular physiology and biochemistry : international journal of experimental cellular physiology, biochemistry, and pharmacology, Vol. 17, Issue 5-6, pp. 279-90, 2006 (PubMed).

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