ホームページ 一次抗体 Angiotensinogen Antibody [F19A5] For research use only.
Not for use in humans.

Angiotensinogen Antibody [F19A5]

Catalog No.: F2978

    Application: Reactivity:
    • Lane 1: Rat lung, Lane 2: Rat liver, Lane 3: Rat kidney, Lane 4: HepG2
    1/

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    代表番号: 045-509-1970|電子メール：sales@selleck.co.jp

    使用情報

    Dilution
    1:1000
    1:30
    1:500
    1:500
    Application
    WB, IP, IHC, FCM
    Source
    Rabbit Monoclonal Antibody
    Reactivity
    Rat, Human
    Storage Buffer
    PBS, pH 7.2+50% Glycerol+0.05% BSA+0.01% NaN3
    Storage (from the date of receipt)
    -20°C (avoid freeze-thaw cycles), 2 years
    Predicted MW
    53 kDa
    ポジティブコントロール Human placenta; Human kidney; Human liver; Human plasma; Human lung; Rat lung; Rat plasma; Rat kidney; Rat liver; HepG2 cell; Huh7 cell
    ネガティブコントロール

    プロトコール

    WB
    Experimental Protocol:
     
    Sample preparation
    1. Tissue: Lyse the tissue sample by adding an appropriate volume of ice-cold RIPA/SDS/NP-40 Lysis Buffer (containing Protease Inhibitor Cocktail)，and homogenize the tissue at a low temperature.
    2. Adherent cell: Aspirate the culture medium and wash the cells with ice-cold PBS twice. Lyse the cells by adding an appropriate volume of RIPA/SDS/NP-40 Lysis Buffer (containing Protease Inhibitor Cocktail) and put the sample on ice for 5 min.
    3. Suspension cell: Transfer the culture medium to a pre-cooled centrifuge tube. Centrifuge and aspirate the supernatant. Wash the cells with ice-cold PBS twice. Lyse the cells by adding an appropriate volume of RIPA/SDS/NP-40 Lysis Buffer (containing Protease Inhibitor Cocktail) and put the sample on ice for 5 min.
    4. Place the lysate into a pre-cooled microcentrifuge tube. Centrifuge at 4°C for 15 min. Collect the supernatant;
    5. Remove a small volume of lysate to determine the protein concentration;
    6. Combine the lysate with protein loading buffer. Boil 20 µL sample under 95-100°C for 5 min. Centrifuge for 5 min after cool down on ice.
     
    Electrophoretic separation
    1. According to the concentration of extracted protein, load appropriate amount of protein sample and marker onto SDS-PAGE gels for electrophoresis. Recommended separating gel (lower gel) concentration: 10%. Reference Table for Selecting SDS-PAGE Separation Gel Concentrations
    2. Power up 80V for 30 minutes. Then the power supply is adjusted (110 V~150 V), the Marker is observed, and the electrophoresis can be stopped when the indicator band of the predyed protein Marker where the protein is located is properly separated. (Note that the current should not be too large when electrophoresis, too large current (more than 150 mA) will cause the temperature to rise, affecting the result of running glue. If high currents cannot be avoided, an ice bath can be used to cool the bath.)
     
    Transfer membrane
    1. Take out the converter, soak the clip and consumables in the pre-cooled converter;
    2. Activate PVDF membrane with methanol for 1 min and rinse with transfer buffer;
    3. Install it in the order of "black edge of clip - sponge - filter paper - filter paper - glue -PVDF membrane - filter paper - filter paper - sponge - white edge of clip";
    4. The protein was electrotransferred to PVDF membrane. ( 0.45 µm PVDF membrane is recommended ) Reference Table for Selecting PVDF Membrane Pore Size Specifications
    Recommended conditions for wet transfer: 200 mA, 120 min.
    ( Note that the transfer conditions can be adjusted according to the protein size. For high-molecular-weight proteins, a higher current and longer transfer time are recommended. However, ensure that the transfer tank remains at a low temperature to prevent gel melting.)
     
    Block
    1. After electrotransfer, wash the film with TBST at room temperature for 5 minutes;
    2. Incubate the film in the blocking solution for 1 hour at room temperature;
    3. Wash the film with TBST for 3 times, 5 minutes each time.
     
    Antibody incubation
    1. Use 5% skim milk powder to prepare the primary antibody working liquid (recommended dilution ratio for primary antibody 1:1000), gently shake and incubate with the film at 4°C overnight;
    2. Wash the film with TBST 3 times, 5 minutes each time;
    3. Add the secondary antibody to the blocking solution and incubate with the film gently at room temperature for 1 hour;
    4. After incubation, wash the film with TBST 3 times for 5 minutes each time.
     
    Antibody staining
    1. Add the prepared ECL luminescent substrate (or select other color developing substrate according to the second antibody) and mix evenly;
    2. Incubate with the film for 1 minute, remove excess substrate (keep the film moist), wrap with plastic film, and expose in the imaging system.
    IHC
    Experimental Protocol：
     
    Deparaffinization/Rehydration
    1. Deparaffinize/hydrate sections:
    2. Incubate sections in three washes of xylene for 5 min each.
    3. Incubate sections in two washes of 100% ethanol for 10 min each.
    4. Incubate sections in two washes of 95% ethanol for 10 min each.
    5. Wash sections two times in dH2O for 5 min each.
    6.Antigen retrieval: For Citrate: Heat slides in a microwave submersed in 1X citrate unmasking solution until boiling is initiated; continue with 10 min at a sub-boiling temperature (95°-98°C). Cool slides on bench top for 30 min.
     
    Staining
    1. Wash sections in dH2O three times for 5 min each.
    2. Incubate sections in 3% hydrogen peroxide for 10 min.
    3. Wash sections in dH2O two times for 5 min each.
    4. Wash sections in wash buffer for 5 min.
    5. Block each section with 100–400 µl of blocking solution for 1 hr at room temperature.
    6. Remove blocking solution and add 100–400 µl primary antibody diluent in to each section. Incubate overnight at 4°C.
    7. Remove antibody solution and wash sections with wash buffer three times for 5 min each.
    8. Cover section with 1–3 drops HRPas needed. Incubate in a humidified chamber for 30 min at room temperature.
    9. Wash sections three times with wash buffer for 5 min each.
    10. Add DAB Chromogen Concentrate to DAB Diluent and mix well before use.
    11. Apply 100–400 µl DAB to each section and monitor closely. 1–10 min generally provides an acceptable staining intensity.
    12. Immerse slides in dH2O.
    13. If desired, counterstain sections with hematoxylin.
    14. Wash sections in dH2O two times for 5 min each.
    15. Dehydrate sections: Incubate sections in 95% ethanol two times for 10 sec each; Repeat in 100% ethanol, incubating sections two times for 10 sec each; Repeat in xylene, incubating sections two times for 10 sec each.
    16. Mount sections with coverslips and mounting medium.
     

    Datasheet & SDS

    生物学的記述

    Specificity

    Angiotensinogen Antibody [F19A5] recognizes endogenous levels of total Angiotensinogen protein.
    タンパク質の局在
    細胞外環境
    Uniprot ID
    P01019
    Clone
    F19A5
    Synonym(s)
    SERPINA8, AGT, Angiotensinogen, Serpin A8
    Background

    The renin–angiotensin system (RAS) plays a crucial role in regulating blood pressure and maintaining fluid and electrolyte balance, primarily through the actions of angiotensin II (Ang II). Angiotensinogen (AGT) serves as the sole precursor for all angiotensin peptides. In humans, AGT is a protein composed of 485 amino acids, including a 33-residue signal peptide. The first 10 amino acids at the N-terminus of AGT are cleaved by the enzyme renin to produce angiotensin I (Ang I), which serves as the starting point for the generation of several biologically active angiotensin peptides. Although traditionally viewed as a passive substrate within the RAS, growing evidence suggests that AGT plays a more dynamic and regulated role. The enzymatic cleavage of AGT by renin represents the rate-limiting step in the production of Ang I. AGT is primarily synthesized in the liver, secreted into the bloodstream, and circulates in an inactive form. When AGT binds to renin, its N-terminal region is cleaved, releasing Ang I as a decapeptide hormone. Ang I is then converted into Ang II by the action of angiotensin-converting enzyme (ACE). Ang II exerts its physiological effects by binding to angiotensin type 1 (AT1) and type 2 (AT2) receptors. In the central nervous system, Ang II stimulates the release of antidiuretic hormone (ADH), while in the peripheral vasculature, it promotes vasoconstriction. Excessive activation of Ang II signaling has been implicated in a variety of pathological conditions, including hypertension, atherosclerosis, cardiac hypertrophy, and obesity.
    References

    技術サポート

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