anti-Perilipin 4 (C-terminus) guinea pig polyclonal, serum

Cat. No: GP34

Available, delivery time 1-7 days

$333.00*

Key Features
  • Stabilized antiserum
  • Guinea pig polyclonal
  • Suitable for ICC/IF, IHC and WB
  • Reacts with human
Product description
Quantity 100 µl
Antibody Type Polyclonal
Host Guinea pig
Conjugate Unconjugated
Application ICC/IF, IHC, WB
Purification Stabilized antiserum
Reactivity Human
Storage Short term at 2-8°C; long term storage in aliquots at -20°C; avoid freeze/thaw cycles
Intended use Research use only
Immunogen Synthetic peptide (C-terminal aa 1394-1410 of human S3-12 (also named PLIN4); C-QGLEQLLEGLQHNPPLS, coupled to KLH)
Formulation Contains 0.09% sodium azide and 0.5% BSA
UniprotID Q96Q06 (Human)
Synonym Perilipin-4, Adipocyte protein S3-12, PLIN4, KIAA1881
Note Centrifuge prior to opening
Applications
Tested applications Tested dilutions
Immunocytochemistry (ICC)/ Immunofluorescence (IF) Assay dependent
Immunohistochemistry (IHC) - frozen 1:200-1:500
Immunohistochemistry (IHC) - paraffin 1:200-1:500 (microwave treatment recommended)
Western Blot (WB) 1:2,000
Background

Polypeptide reacting: S3-12, apparent Mr 140,000 (after SDS-PAGE).

S3-12 pertains to the PLIN/PAT-family proteins, covering the surface of cytoplasmic lipid droplets.

Additional PAT proteins include adipophilin (ADRP/PLIN2), perilipin (PLIN1), TIP47 (PLIN3), and MLDP (OXPAT/PAT-1, PLIN5 or LSDP5) which are expressed in differentiation-related stages of lipid metabolism.

No cross-reactivity with additional PLIN/PAT proteins (including adipophilin/ADRP/PLIN2, perilipin/PLIN1, and TIP47/PLIN3) which are expressed in differentiation-related stages of lipid metabolism.

Tissue Immunolocalization: S3-12/PLIN4 is positively detected in lipid droplets of cultured cells.

Reactivity on cultured cell lines: PLC (human).


References/Publications (5)
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FAQs
  • PVDF membranes show better results than nitrocellulose (higher capacity, allows for more stringent washing conditions in case of background problems).
  • Use freshly prepared blocking solution (e.g. 5% nonfat dry milk, 0.05% Tween 20), block for at least 1 h at room temperature.
  • Use the antibody in a higher dilution, but prolong incubation time and exposure time.
  • Always use a fresh aliquot of the antibody.
  • Do not repeatedly freeze the antibody (eventually centrifuge shortly after thawing to remove cryo-precipitates).
  • Include an additional washing step.
    You might also try more stringent wash conditions, e.g. add 0.5 M NaCl to the wash buffer.
  • Always use a fresh aliquot of secondary antibody.
  • In case you use ECL most the guinea pig antibody should be diluted further in order to get rid of the background.

Most of our purified mouse antibodies contain 0.5% BSA as stabilizer. If BSA was added to the antibody solution, it is stated in the datasheet.
The supernatant format contains FCS proteins from cell culture medium supplemented with FCS.
The serum antibodies contain other proteins present in serum.

Lyophilized antibodies can be stored at 2-8°C until expiration.
Most of our liquid antibodies and reconstituted lyophilized antibodies may be stored for short term storage (up to 3 month) at 2-8°C. For long term storage we recommend to store the antibody at -20°C in aliquots. Please avoid freeze and thaw cycles.
Most of our conjugated antibodies should be stored at 2-8°C.
The individual storage conditions are mentioned on the datasheet.

The expiration date of our antibodies is indicated on the product label.
  1. Methanol/ acetone fixation: Immerse slide in precooled (-20°C) methanol for 5 min, immerse in precooled (-20°C) acetone for 30-60 sec, let specimen air dry before antibody incubation.
  2. Methanol/ acetone fixation plus detergent permeabilization: After methanol/ acetone fixation and air-drying dip slide either in a solution containing 0.1-0.2% Triton X-100 in PBS or in 0.1% saponin in PBS for 1-5 min at room temperature (enhances accessibility of many cytoskeletal antigens).

  • Air-drying of the section.
  • Block with the serum of the species in which the secondary antibody was raised for 30 min.
  • Incubation with 1st antibody 1 h at RT in moist chamber.
  • Wash 3x with PBS.
  • Incubation with appropriate fluorescent secondary antibody, 30-60 min at RT.
  • Wash 3x with PBS.
  • Immerse shortly into ethanol.
  • Let air dry.
  • Cover with mounting medium.

  • For normal cell culture and methanol/acetone fixation of cells no precoating of glass coverslips is necessary.
  • In case of formaldehyde fixation, cells should be grown on glass coverslips coated with 0.01% poly-L-lysine.
    For fixation of lipid droplets within cells preferentially PBS containing 2% formaldehyde at RT for 10–20 min should be used. After fixation, the cells should be washed 3x for 5 min with PBS containing 50 mM NH4Cl to quench residual-free aldehyde groups. Thereafter, two permeabilization steps using PBS containing 0.2% saponin for 7–10 min at RT should be done prior to the application of primary antibodies.
  • For IF staining, methanol/acetone fixation is recommended: Cells grown on glass coverslips should be rinsed in PBS and fixed for 5 min in methanol followed by acetone (20 s), both pre-cooled at -20°C.
    Briefly air dry the samples and rehydrate in PBS prior to the immunostaining procedure. After permeabilization with 0.2% Triton X-100 in PBS for 5 min at RT, wash cells several times in PBS.

Most of our antibodies contain 0.09% sodium azide as preservative. If a preservative is added, it is mentioned in the datasheet.
The optimal antibody dilution for your specific protocol and application needs to be titrated in your lab with your equipment and sample. The optimal dilution may vary between protocols and samples. A good dilution for starting the titration is the dilution mentioned in the datasheet. If the sample needs a specific treatment (eg. Antigen retrieval for IHC on FFPE sections) this should also be mentioned on the antibody datasheet. 
PROGEN antibodies are shipped at ambient temperature. The antibodies are stable at ambient temperature for the shipment period. Please store the antibodies as indicated in the datasheet upon arrival.
anti-guinea pig IgG goat polyclonal, HRP conjugate
Cat. No: 90001
  • Goat polyclonal
  • Suitable for ELISA and WB
  • Reacts with guinea pig

$109.00*
anti-Perilipin 4 (N-terminus) guinea pig polyclonal, serum
Cat. No: GP38
  • Guinea pig polyclonal
  • Suitable for ICC/IF, IHC and WB
  • Reacts with human

$333.00*