Anti-PCNA Antibody, clone PC10

36 kDa

Proliferating cell nuclear antigen (PCNA) is a 36 kDa molecule that is highly conserved between species. PCNA was first identified as the antigen for a subpopulation of autoantibodies in patients with systemic lupus erythematosus (Miyachi, 1978; Takasaki, 1984; Ogata, 1987). It has since been determined that PCNA serves as a co-factor for DNA polymerase delta in S-phase as well as during DNA synthesis associated with mechanisms involved in DNA damage repair (Tan, 1987; Bravo, 1987). The temporal specificity of PCNA expression makes it an ideal marker for cell proliferation. PCNA begins to accumulate during the G1 phase of the cell cycle, is most abundant during the S phase, and declines during the G2/M phase (Kurki, 1988). Since the half-life of PCNA exceeds 20 hours, it may be possible to detect the protein in non-cycling cells.

Rat PCNA made in the protein A vector pR1T2T.

Research Category
Epigenetics & Nuclear Function

Research Sub Category
Cell Cycle, DNA Replication & Repair

Use Anti-PCNA Antibody, clone PC10 (mouse monoclonal antibody) validated in ELISA, FC,IHC(P), IP, WB to detect PCNA also known as Proliferating Cell Nuclear Antigen, DNA Polymerase delta Processivity Factor.

Western blot: 1:250-1:1000. Nuclear extracts are preferred over whole cell protein extracts.

Immunohistochemistry: 1:20-1:200. Recommended for paraffin embedded tissue sections only. May be used on material fixed in a wide range of fixatives including formalin (buffered and unbuffered), methacarn and Bouin′s reagent. The time of fixation can markedly affect the intensity of PCNA immunoreactivity. Staining is reduced (and may be abolished) if sections are baked onto glass slides. Air-drying overnight on poly-L-lysine coated slides is recommended. 60 minute incubation at 25°C with standard ABC technique is recommended.

Immunoprecipitation

Indirect Flow Cytometry

Optimal working dilutions must be determined by the end user.

Clone PC10 recognizes PCNA from all vertebrate and insect species tested and has been used to identify transformed cells (Kurki, 1988), proliferating cells in solid tumors (Smetana, 1983), and blast cells in leukemia patients (Takasaki, 1984). Immunohistochemistry with clone PC10 has been used to study the expression of PCNA in paraffin sections of normal tissues and lymphoid neoplasms (Hall, 1990). In proliferating cells, PCNA staining pattern is predominantly nuclear. By western blot, the antibody detects a polypeptide migrating at 36 kDa with an isoelectric point of 4.8.

Format: Purified

Protein A Purified mouse immunoglobulin in PBS with 0.1% sodium azide as a preservative.

Protein A purified

Maintain for 1 year at 2–8°C from date of shipment. Aliquot to avoid repeated freezing and thawing. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap.

Control
Rat kidney, Human tonsil, lymph node tissue

Tested

Concentration: Please refer to the Certificate of Analysis for the lot-specific concentration.

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