IgA

Immunoglobulin A (IgA, also referred to as sIgA) is an antibody that plays a critical role in mucosal immunity. More IgA is produced in mucosal linings than all other types of antibody combined; between three and five grams are secreted into the intestinal lumen each day. This accumulates up to 15% of the total immunoglobulin produced in the entire body. IgA has two subclasses (IgA1 and IgA2) and can exist in a dimeric form called secretory IgA (sIgA). In its secretory form, IgA is the main immunoglobulin found in mucous secretions, including tears, saliva, sweat, colostrum and secretions from the genitourinary tract, gastrointestinal tract, prostate and respiratory epithelium. It is also found in small amounts in blood. The secretory component of sIgA protects the immunoglobulin from being degraded by proteolytic enzymes, thus sIgA can survive in the harsh gastrointestinal tract environment and provide protection against microbes that multiply in body secretions. sIgA can also inhibit inflammatory effects of other immunoglobulins. IgA is a poor activator of the complement system, and opsonises only weakly. Its heavy chains are of the type alpha.

IgA Target Details

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Products

ELISA Kits (22)

Type

Competitive EIA (9)

Custom (1)

Development Kit (2)

Sandwich (10)

Target

IgA (22)

Reactivity

Human (5)

Mouse (3)

Rat (3)

Bovine (2)

Canine (1)

Chicken (1)

Goat (1)

Monkey (1)

Pig (2)

Rabbit (2)

Sheep (1)

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Product Group

DevKit DuoPlus (2)

Format

96-Well Microplate (3)

96-Well Strip Plate (17)

Antibody Pair and Standard (2)

Publications

No (22)

Sample Type

Cell Culture Supernatants (1)

Cell Lysates (1)

Plasma (21)

Saliva (3)

Serum (21)

Tissue Homogenates (7)

Urine (1)

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Bovine IgA (Competitive EIA) ELISA Kit - LS-F36793

Type:

Competitive EIA

Format:

96-Well Strip Plate

Reactivity:

Bovine

Range:

3.12 - 200 ng/ml

Detection:

Colorimetric - 450nm (TMB)

Sample Types:

Plasma, Serum, Tissue Homogenates

Price:

1 Plate/$579

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Canine IgA (Sandwich ELISA) ELISA Kit - LS-F36499

Type:

Sandwich

Format:

96-Well Strip Plate

Reactivity:

Canine

Range:

31.25 - 2000 pg/ml

Detection:

Colorimetric - 450nm (TMB)

Sample Types:

Plasma, Serum, Tissue Homogenates

Price:

1 Plate/$587

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Mouse IgA (Sandwich ELISA) ELISA Kit - LS-F22531

Type:

Sandwich

Format:

96-Well Microplate

Reactivity:

Mouse

Range:

6.25 - 400 ng/ml

Detection:

Colorimetric - 450nm (TMB)

Sample Types:

Plasma, Serum

Price:

1 Plate/$651

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Goat IgA (Competitive EIA) ELISA Kit - LS-F54134

Type:

Competitive EIA

Format:

96-Well Strip Plate

Reactivity:

Goat

Range:

29 - 7500 ng/ml

Detection:

Colorimetric - 450nm (TMB)

Sample Types:

Plasma, Serum

Price:

1 Plate/$870

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Human IgA (Sandwich ELISA) ELISA Kit - LS-F31876

Type:

Sandwich

Format:

96-Well Strip Plate

Reactivity:

Human

Range:

0.781 - 50 ng/ml

Detection:

Colorimetric - 450nm (TMB)

Sample Types:

Plasma, Serum, Tissue Homogenates

Price:

1 Plate/$579

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Monkey IgA (Sandwich ELISA) ELISA Kit - LS-F36792

Type:

Sandwich

Format:

96-Well Strip Plate

Reactivity:

Monkey

Range:

3.125 - 200 ng/ml

Detection:

Colorimetric - 450nm (TMB)

Sample Types:

Plasma, Serum, Tissue Homogenates

Price:

1 Plate/$579

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Sheep IgA (Sandwich ELISA) ELISA Kit - LS-F44903

Type:

Sandwich

Format:

96-Well Strip Plate

Reactivity:

Sheep

Range:

3.125 - 200 ng/ml

Detection:

Colorimetric - 450nm (TMB)

Sample Types:

Plasma, Serum

Price:

1 Plate/$760

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Rabbit IgA (Competitive EIA) ELISA Kit - LS-F54189

Type:

Competitive EIA

Format:

96-Well Strip Plate

Reactivity:

Rabbit

Range:

12 - 3000 ng/ml

Detection:

Colorimetric - 450nm (TMB)

Sample Types:

Cell Culture Supernatants, Plasma, Serum, Tissue Homogenates

Price:

1 Plate/$822

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Rat IgA (Competitive EIA) ELISA Kit - LS-F54211

Type:

Competitive EIA

Format:

96-Well Strip Plate

Reactivity:

Rat

Range:

7.81 - 2000 ng/ml

Detection:

Colorimetric - 450nm (TMB)

Sample Types:

Plasma, Serum

Price:

1 Plate/$571

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Rabbit IgA (Sandwich ELISA) ELISA Kit - LS-F22555

Type:

Sandwich

Format:

96-Well Microplate

Reactivity:

Rabbit

Range:

6.25 - 400 ng/ml

Detection:

Colorimetric - 450nm (TMB)

Sample Types:

Plasma, Serum

Price:

1 Plate/$565

Select

Human IgA (Competitive EIA) ELISA Kit - LS-F28808

Type:

Competitive EIA

Format:

96-Well Strip Plate

Reactivity:

Human

Range:

1 - 25 mg/ml

Detection:

Colorimetric - 450nm (TMB)

Sample Types:

Plasma, Serum

Price:

1 Plate/$805

Select

Rat IgA (Sandwich ELISA) ELISA Kit - LS-F27473

Type:

Sandwich

Format:

96-Well Strip Plate

Reactivity:

Rat

Range:

1 - 25 mg/ml

Detection:

Colorimetric - 450nm (TMB)

Sample Types:

Plasma, Serum

Price:

1 Plate/$805

Select

Mouse IgA (Competitive EIA) ELISA Kit - LS-F28424

Type:

Competitive EIA

Format:

96-Well Strip Plate

Reactivity:

Mouse

Range:

2.5 - 50 mg/ml

Detection:

Colorimetric - 450nm (TMB)

Sample Types:

Plasma, Serum

Price:

1 Plate/$805

Select

Pig IgA (Sandwich ELISA) ELISA Kit - LS-F32377

Type:

Sandwich

Format:

96-Well Strip Plate

Reactivity:

Pig

Range:

0.313 - 20 ng/ml

Detection:

Colorimetric - 450nm (TMB)

Sample Types:

Plasma, Serum, Tissue Homogenates

Price:

1 Plate/$579

Select

Chicken IgA (Competitive EIA) ELISA Kit - LS-F54116

Type:

Competitive EIA

Format:

96-Well Strip Plate

Reactivity:

Chicken

Range:

781.25 - 50000 ng/ml

Detection:

Colorimetric - 450nm (TMB)

Sample Types:

Plasma, Serum

Price:

1 Plate/$1,018

Select

Rat IgA (Sandwich ELISA) ELISA Kit - LS-F49423

Type:

Sandwich

Format:

96-Well Strip Plate

Reactivity:

Rat

Range:

62.5 - 4000 ng/ml

Detection:

Colorimetric - 450nm (TMB)

Sample Types:

Plasma, Serum

Price:

1 Plate/$344

Select

Mouse IgA (Competitive EIA) ELISA Kit - LS-F54170

Type:

Competitive EIA

Format:

96-Well Strip Plate

Reactivity:

Mouse

Range:

25 - 1600 ng/ml

Detection:

Colorimetric - 450nm (TMB)

Sample Types:

Plasma, Serum

Price:

1 Plate/$525

Select

Pig IgA (Competitive EIA) ELISA Kit - LS-F54177

Type:

Competitive EIA

Format:

96-Well Strip Plate

Reactivity:

Pig

Range:

0.146 - 37.5 µg/ml

Detection:

Colorimetric - 450nm (TMB)

Sample Types:

Plasma, Serum

Price:

1 Plate/$968

Select

DevKit DuoPlus Bovine IgA ELISA Development Kit - LS-F72190

Type:

Development Kit

Format:

Antibody Pair and Standard

Reactivity:

Bovine

Range:

1.56 - 100 ng/ml

Detection:

Colorimetric - 450nm (TMB)

Sample Types:

Plasma, Saliva, Serum

Price:

500 Wells/$1,352; 1000 Wells/$2,029

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Human IgA (Custom CLIA) ELISA Kit - LS-F75127

Type:

Custom

Format:

96-Well Microplate

Reactivity:

Human

Detection:

Chemiluminescent

Sample Types:

Cell Lysates, Tissue Homogenates

Price:

1 Plate/$714

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DevKit DuoPlus Human IgA ELISA Development Kit - LS-F71459

Type:

Development Kit

Format:

Antibody Pair and Standard

Reactivity:

Human

Range:

0.28 - 200 ng/ml

Detection:

Colorimetric - 450nm (TMB)

Sample Types:

Plasma, Saliva, Serum

Price:

500 Wells/$1,089; 1000 Wells/$1,589

Select

Human IgA (Sandwich ELISA) ELISA Kit - LS-F74918

Type:

Sandwich

Format:

96-Well Strip Plate

Reactivity:

Human

Range:

6.25 - 400 ng/ml

Detection:

Colorimetric - 450nm (TMB)

Sample Types:

Plasma, Saliva, Serum, Urine

Price:

1 Plate/$476

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