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Thermo Fisher Scientific CD278 (ICOS) Monoclonal Antibody (ISA-3), APC-eFluor 780, eBioscience
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Thermo Fisher Scientific CD278 (ICOS) Monoclonal Antibody (ISA-3), APC-eFluor 780, eBioscience

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인간 ICOS(CD278)를 인식하는 ISA-3 단클론 항체로, APC-eFluor 780 형광체가 결합되어 있습니다. 유세포분석(Flow Cytometry)에 최적화되어 있으며, 5 µL/test로 사용 가능합니다. 활성화된 T세포의 공동자극 분석에 적합합니다. 4°C 암소 보관, 동결 금지.

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마지막 업데이트 2025. 08. 05. 오전 01:05
Thermo Fisher Scientific 47-9948-42 CD278 (ICOS) Monoclonal Antibody (ISA-3), APC-eFluor 780, eBioscience 100 tests pk판매 단위 pk ·
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Thermo Fisher Scientific 47-9948-41 CD278 (ICOS) Monoclonal Antibody (ISA-3), APC-eFluor 780, eBioscience 25 tests pk판매 단위 pk ·
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Thermo Fisher Scientific · Thermo Fisher Scientific CD278 (ICOS) Monoclonal Antibody (ISA-3), APC-eFluor 780, eBioscience

Applications and Tested Dilution

Application Tested Dilution Publications
Flow Cytometry (Flow) 5 µL (0.125 µg)/test View 11 publications
Functional Assay - View 1 publication

Product Specifications

항목 내용
Published species Human
Host / Isotype Mouse / IgG1, kappa
Recommended Isotype Control Mouse IgG1 kappa Isotype Control (P3.6.2.8.1), APC-eFluor™ 780, eBioscience™
Class Monoclonal
Type Antibody
Clone ISA-3
Conjugate APC-eFluor™ 780
Excitation/Emission Max 756/785 nm
Form Liquid
Concentration 5 µL/Test
Storage conditions 4°C, store in dark, DO NOT FREEZE
Shipping conditions Wet ice
RRID AB_2573999

Available Formats

  • Unconjugated
  • Alexa Fluor 700
  • APC
  • Biotin
  • Brilliant UV 661
  • eFluor 450
  • FITC
  • Functional Grade
  • NovaFluor Red 660
  • NovaFluor Red 710
  • NovaFluor Yellow 700
  • NovaFluor Yellow 730
  • PE
  • PE-Cyanine5.5
  • PE-Cyanine7
  • PE-eFluor 610
  • PerCP-eFluor 710
  • Super Bright 436
  • Super Bright 600
  • Super Bright 645
  • Super Bright 780
  • Request custom conjugation

Product Specific Information

The ISA-3 monoclonal antibody reacts with human ICOS (Inducible COStimulatory molecule), also known as H4, CRP-1, and AILIM.
ICOS is a T-cell-specific activation molecule and a member of the CD28/CTLA-4 family. It plays a critical role in T-cell activation and humoral immune responses, particularly in memory B cell and plasma cell generation.

  • ICOS binds to its ligand B7h/B7RP-1 expressed on activated APCs and inflamed tissues.
  • Plate-bound ISA-3 induces IL-4, IL-5, IL-10 production but not IL-2.
  • ISA-3 was generated against human ICOS antigen.
  • Clone C398.4A (anti-mouse ICOS/H4) cross-reacts with human ICOS but binds a different epitope.
  • For brightest staining of activated human T cells, use Product #13-9948-82 or #12-9948-42.

Applications Reported: Flow cytometric analysis
Applications Tested: Pre-titrated and tested on normal human peripheral blood cells at 5 µL (0.125 µg)/test.
Laser Excitation: Red laser (633 nm)
Emission: 780 nm

Light Sensitivity: Protect from light due to photo-induced oxidation.
Fixation: Samples can be stored in IC Fixation Buffer (Product #00-8222) or 1-step Fix/Lyse Solution (Product #00-5333) for up to 3 days at 4°C in the dark.

Filtration: 0.2 µm post-manufacturing filtered.


Target Information

ICOS (CD278) encodes a protein in the CD28/CTLA-4 receptor family.
It functions as a homodimer and plays a crucial role in:

  • Cell-cell signaling
  • Immune response regulation
  • Cell proliferation control

ICOS is associated with disorders such as Common Variable Immunodeficiency (CVID).


For Research Use Only. Not for use in diagnostic procedures. Not for resale without authorization.


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