Key Product Details

Species Reactivity

Validated:

Human

Cited:

Human

Applications

Validated:

Western Blot, Immunocytochemistry, Simple Western

Cited:

Western Blot, Immunocytochemistry

Label

Unconjugated

Antibody Source

Recombinant Monoclonal Rabbit IgG Clone # 1188B
View all Troponin I/TNNI3 Primary Antibodies »

Product Specifications

Immunogen

Peptide 3
Accession # P19429

Specificity

Detects human Troponin I/TNNI3 in direct ELISAs.

Clonality

Monoclonal

Host

Rabbit

Isotype

IgG

Scientific Data Images for Human Troponin I/TNNI3 Antibody

Detection of Human, Mouse, and Rat Troponin I antibody by Western Blot.

Detection of Human, Mouse, and Rat Troponin I/TNNI3 by Western Blot.

Western blot shows lysates of human heart tissue, mouse heart tissue, and rat heart tissue. PVDF membrane was probed with 0.1 µg/mL of Rabbit Anti-Human Troponin I/TNNI3 Monoclonal Antibody (Catalog # MAB8594) followed by HRP-conjugated Anti-Rabbit IgG Secondary Antibody (Catalog # HAF008). A specific band was detected for Troponin I/TNNI3 at approximately 25 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.
Detection of Human Troponin I antibody by Simple WesternTM.

Detection of Human Troponin I/TNNI3 by Simple WesternTM.

Simple Western lane view shows lysates of human heart tissue, loaded at 0.1 mg/mL. A specific band was detected for Troponin I/TNNI3 at approximately 25-35 kDa (as indicated) using 1 µg/mL of Rabbit Anti-Human Troponin I/TNNI3 Monoclonal Antibody (Catalog # MAB8594). This experiment was conducted under reducing conditions and using the 12-230 kDa separation system.
Troponin I antibody in Human Cardiomyocytes by Immunocytochemistry (ICC).

Troponin I/TNNI3 in Human Cardiomyocytes.

Troponin I/TNNI3 was detected in immersion fixed human embryonic stem cells, differentiated into cardiomyocytes using the StemXVivo Cardiomyocyte Differentiation Kit (Catalog # SC032), using Rabbit Anti-Human Troponin I/TNNI3 Monoclonal Antibody (Catalog # MAB8594) at 5 µg/mL for 3 hours at room temperature. Cells were stained using the NorthernLights™ 493-conjugated Anti-Rabbit IgG Secondary Antibody (green; Catalog # NL006). Cardiac Troponin T was also detected in cardiomyocytes using Mouse Anti-Human Cardiac Troponin T Monoclonal Antibody (Catalog # MAB1874). Cells were co-stained using the NorthernLights™ 557-conjugated Anti-Mouse IgG Secondary Antibody (red; Catalog # NL007) and counterstained with DAPI (blue). Specific staining of Troponin I/TNNI3 was localized to cardiac muscle fibrils. View our protocol for Fluorescent ICC Staining of Cells on Coverslips.

Applications for Human Troponin I/TNNI3 Antibody

Application
Recommended Usage

Immunocytochemistry

5-25 µg/mL
Sample: Immersion fixed human embryonic stem cells differentiated into cardiomyocytes using the StemXVivo Cardiomyocyte Differentiation Kit (Catalog # SC032)

Simple Western

1 µg/mL
Sample: Human heart tissue

Western Blot

0.1 µg/mL
Sample: Human heart tissue, mouse heart tissue, and rat heart tissue

Formulation, Preparation, and Storage

Purification

Protein A or G purified from cell culture supernatant

Reconstitution

Reconstitute at 0.5 mg/mL in sterile PBS. For liquid material, refer to CoA for concentration.

Formulation

Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied either lyophilized or as a 0.2 µm filtered solution in PBS.

Shipping

Lyophilized product is shipped at ambient temperature. Liquid small pack size (-SP) is shipped with polar packs. Upon receipt, store immediately at the temperature recommended below.

Stability & Storage

Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 12 months from date of receipt, -20 to -70 °C as supplied.
  • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
  • 6 months, -20 to -70 °C under sterile conditions after reconstitution.

Calculators

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.

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Background: Troponin I/TNNI3

Troponin I, also known as TNI, is a 24 kDa component of a protein complex on striated muscle thin filaments. Troponin I inhibits the calcium-dependent muscle contraction mediated by Troponins C and T. The expression of cardiac Troponin I (TNNI3) is restricted to cardiac muscle, while TNNI1 and TNNI2 (encoded by distinct genes) are expressed in skeletal muscle. Mutations of cardiac Troponin I are associated with heriditary cardiomyopathy. Human cardiac Troponin I shares 93% amino acid sequence identity with mouse and rat cardiac Troponin I.

Long Name

Troponin I3, Cardiac Type

Alternate Names

CMD2A, CTnI, RCM1, TNNC1, TNNI3,

Entrez Gene IDs

7137 (Human)

Gene Symbol

TNNI3

UniProt

P19429

Additional Troponin I/TNNI3 Products

Product Documents for Human Troponin I/TNNI3 Antibody

Certificate of Analysis

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Note: Certificate of Analysis not available for kit components.

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Product Specific Notices for Human Troponin I/TNNI3 Antibody

For research use only

Citations for Human Troponin I/TNNI3 Antibody

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Protocols

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