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PRODUCT CODE: ER1901-95

FOLR1 Rabbit Polyclonal Antibody (ER1901-95)

Applications

  • WB

  • IHC-P

  • FC

REACTIVITY

  • Human

  • Mouse

  • Rat

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Western blot analysis of FOLR1 on different lysates. Proteins were transferred to a PVDF membrane and blocked with 5% BSA in PBS for 1 hour at room temperature. The primary antibody (ER1901-95, 1/500) was used in 5% BSA at room temperature for 2 hours. Goat Anti-Rabbit IgG - HRP Secondary Antibody (HA1001) at 1:5,000 dilution was used for 1 hour at room temperature.<br /> Positive control: <br /> Lane 1: SKBR3 cell lysate<br /> Lane 2: human placenta tissue lysate
  • Western blot analysis of FOLR1 on different lysates. Proteins were transferred to a PVDF membrane and blocked with 5% BSA in PBS for 1 hour at room temperature. The primary antibody (ER1901-95, 1/500) was used in 5% BSA at room temperature for 2 hours. Goat Anti-Rabbit IgG - HRP Secondary Antibody (HA1001) at 1:5,000 dilution was used for 1 hour at room temperature.<br /> Positive control: <br /> Lane 1: SKBR3 cell lysate<br /> Lane 2: human placenta tissue lysate
  • Immunohistochemical analysis of paraffin-embedded human lung cancer tissue using anti-FOLR1 antibody. The section was pre-treated using heat mediated antigen retrieval with Tris-EDTA buffer (pH 8.0-8.4) for 20 minutes.The tissues were blocked in 5% BSA for 30 minutes at room temperature, washed with ddH2O and PBS, and then probed with the primary antibody (ER1901-95, 1/100) for 30 minutes at room temperature. The detection was performed using an HRP conjugated compact polymer system. DAB was used as the chromogen. Tissues were counterstained with hematoxylin and mounted with DPX.
  • Immunohistochemical analysis of paraffin-embedded human kidney tissue using anti-FOLR1 antibody. The section was pre-treated using heat mediated antigen retrieval with Tris-EDTA buffer (pH 8.0-8.4) for 20 minutes.The tissues were blocked in 5% BSA for 30 minutes at room temperature, washed with ddH2O and PBS, and then probed with the primary antibody (ER1901-95, 1/100) for 30 minutes at room temperature. The detection was performed using an HRP conjugated compact polymer system. DAB was used as the chromogen. Tissues were counterstained with hematoxylin and mounted with DPX.
  • Immunohistochemical analysis of paraffin-embedded mouse kidney tissue using anti-FOLR1 antibody. The section was pre-treated using heat mediated antigen retrieval with Tris-EDTA buffer (pH 8.0-8.4) for 20 minutes.The tissues were blocked in 5% BSA for 30 minutes at room temperature, washed with ddH2O and PBS, and then probed with the primary antibody (ER1901-95, 1/100) for 30 minutes at room temperature. The detection was performed using an HRP conjugated compact polymer system. DAB was used as the chromogen. Tissues were counterstained with hematoxylin and mounted with DPX.
  • Immunohistochemical analysis of paraffin-embedded rat kidney tissue using anti-FOLR1 antibody. The section was pre-treated using heat mediated antigen retrieval with Tris-EDTA buffer (pH 8.0-8.4) for 20 minutes.The tissues were blocked in 5% BSA for 30 minutes at room temperature, washed with ddH2O and PBS, and then probed with the primary antibody (ER1901-95, 1/50) for 30 minutes at room temperature. The detection was performed using an HRP conjugated compact polymer system. DAB was used as the chromogen. Tissues were counterstained with hematoxylin and mounted with DPX.
  • Flow cytometric analysis of FOLR1 was done on Hela cells. The cells were fixed, permeabilized and stained with the primary antibody (ER1901-95, 1/100) (red). After incubation of the primary antibody at room temperature for an hour, the cells were stained with a Alexa Fluor 488-conjugated goat anti-rabbit IgG Secondary antibody at 1/500 dilution for 30 minutes.Unlabelled sample was used as a control (cells without incubation with primary antibody; green).
Western blot analysis of FOLR1 on different lysates. Proteins were transferred to a PVDF membrane and blocked with 5% BSA in PBS for 1 hour at room temperature. The primary antibody (ER1901-95, 1/500) was used in 5% BSA at room temperature for 2 hours. Goat Anti-Rabbit IgG - HRP Secondary Antibody (HA1001) at 1:5,000 dilution was used for 1 hour at room temperature.
Positive control:
Lane 1: SKBR3 cell lysate
Lane 2: human placenta tissue lysate

Applications

  • WB

  • IHC-P

  • FC

REACTIVITY

  • Human

  • Mouse

  • Rat

SPECIFICATIONS

Product Type

Rabbit polyclonal primary

Product Name

FOLR1 Rabbit Polyclonal Antibody (ER1901-95)

Immunogen

Recombinant protein within human folr1 aa 42-257 / 257.

Host

Rabbit

Positive Control

SKBR3 cell lysate, human placenta tissue lysate, human lung cancer tissue, human kidney tissue, mouse kidney tissue, rat kidney tissue.

Conjugation

Unconjugated

Clonality

Polyclonal

PROPERTIES

Form

Liquid

Storage Condition

Store at +4C after thawing. Aliquot store at -20C. Avoid repeated freeze / thaw cycles.

Storage Buffer

1*PBS (pH7.4), 0.2% BSA, 50% Glycerol. Preservative: 0.05% Sodium Azide.

Concentration

1 ug/ul

PURIFICATION

Protein affinity purified.

MOLECULAR WEIGHT

Predicted band size 30 kDa.

Isotype

IgG

APPLICATION DILUTION

  • WB

  • 1:500

  • IHC-P

  • 1:50-1:200

  • FC

  • 1:50-1:100

TARGET

UNIPROT #

P15328

PROTEIN NAME

FOLR1

SYNONYMS

adult antibody; Adult folate binding protein antibody; Adult folate-binding protein antibody; FBP antibody; Folate Binding Protein antibody; Folate Receptor 1 Adult antibody; Folate receptor 1 antibody; Folate Receptor 1 Precursor antibody; Folate receptor adult antibody; Folate receptor alpha antibody; Folate receptor antibody; FOLR antibody; FOLR1 antibody; FOLR1_HUMAN antibody; FR alpha antibody; FR-alpha antibody; FRalpha antibody; KB cells FBP antibody; MOV18 antibody; Ovarian cancer associated antigen antibody; Ovarian tumor associated antigen antibody; Ovarian tumor associated antigen MOv18 antibody; Ovarian tumor-associated antigen MOv18 antibody

SEQUENCE SIMILARITIES

Belongs to the folate receptor family.

TISSUE SPECIFICITY

Primarily expressed in tissues of epithelial origin. Expression is increased in malignant tissues. Expressed in kidney, lung and cerebellum. Detected in placenta and thymus epithelium.

POST-TRANSLATIONAL MODIFICATION

The secreted form is derived from the membrane-bound form either by cleavage of the GPI anchor, or/and by proteolysis catalyzed by a metalloprotease.

SUBCELLULAR LOCATION

Cell membrane, Cytoplasmic vesicle, Endosome, Membrane, Secreted.

FUNCTION

Folate receptor 1 (Folate receptor alpha, FOLR1) is a protein that in humans is encoded by the FOLR1 gene. The protein encoded by this gene is a member of the folate receptor (FOLR) family. Members of this family have a high affinity for folic acid and for several reduced folic acid derivatives, and mediate delivery of 5-methyltetrahydrofolate to the interior of cells. This gene is composed of 7 exons; exons 1 through 4 encode the 5' UTR and exons 4 through 7 encode the open reading frame. Due to the presence of 2 promoters, multiple transcription start sites, and alternative splicing of exons, several transcript variants are derived from this gene. These variants differ in the lengths of 5' and 3' UTR, but they encode an identical amino acid sequence. FRA can be overexpressed by a number of epithelial-derived tumors including ovarian, breast, renal, lung, colorectal, and brain. Hence antibodies to it are used in targeted therapies and diagnostic tests, e.g. farletuzumab in phase III trial for ovarian cancer. Autoantibodies to the FRA have been linked to neurodevelopmental diseases, particularly cerebral folate deficiency schizophrenia and autism spectrum disorder. Recent studies have shown that these neurodevelopmental disorders can be treated with folinic acid.