Illustration of an antibody structure

Antibodies

Cosmo Bio USA offers a robust portfolio of high-quality antibodies supporting diverse research areas including immunology, oncology, neuroscience, bone metabolism, reproductive biology, stem cell biology, food science, and molecular biology. At the core is the Cosmo Antibody Collection (CAC), a curated set of ~350 unique antibodies developed with leading Japanese universities, targeting AGEs, tumor antigens, autophagy markers like LC3, and more. Cosmo Bio USA also partners with top global suppliers to expand its offerings. MBL International delivers renowned immunology antibodies such as its well-cited anti-IL-18 monoclonals and polyclonals. Atlas Antibodies contributes over 22,000 rigorously validated antibodies from the Human Protein Atlas, optimized for immunohistochemistry, Western blotting, proteomics, and ChIP-Exo-Seq workflows.

Complementing this lineup, CUSABIO and CUSAg offer over 50,000 validated antibodies covering cancer, immunology, infectious disease, and neuroscience. Kyowa Antibody Laboratory (KAL) adds highly specific monoclonal and polyclonal antibodies for cell biology and disease research, validated for key applications like flow cytometry, IHC, ICC, and western blotting. 4BioDx enhances Cosmo Bio USA’s reproductive biology capabilities with specialized antibodies for sperm quality assessment and fertility research across species. With carefully curated and thoroughly validated products, Cosmo Bio USA delivers powerful, application-ready antibody solutions that enable researchers to achieve reproducible, cutting-edge results across every major field of life science research.

 

  • Immunofluorescent staining of human cell line HEL shows localization to nucleoplasm & cytosol.

    Atlas Antibodies

    Anti-CITED2 pAb (ATL-HPA069092)

    Catalog No.(s): ATL-HPA069092

    Product DescriptionPolyclonal Antibody against Human CITED2, Gene description: Cbp/p300 interacting transactivator with Glu/Asp rich carboxy-terminal domain 2, Alternative Gene Names: MRG1, Validated applications: ICC, WB, Uniprot ID: Q99967, Storage:...

    $596.00
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  • Immunofluorescent staining of human cell line HAP1 shows localization to nucleoplasm, cytosol & the Golgi apparatus.

    Atlas Antibodies

    Anti-STH pAb (ATL-HPA069024)

    Catalog No.(s): ATL-HPA069024

    Product DescriptionPolyclonal Antibody against Human STH, Gene description: saitohin, Alternative Gene Names: MAPTIT, Validated applications: ICC, Uniprot ID: Q8IWL8, Storage: Store at +4°C for short term storage. Long time storage is recommended at...

    $596.00
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  • Immunohistochemical staining of human skeletal muscle shows strong nuclear positivity in myocytes.

    Atlas Antibodies

    Anti-POLB pAb (ATL-HPA069013)

    Catalog No.(s): ATL-HPA069013

    Product DescriptionPolyclonal Antibody against Human POLB, Gene description: DNA polymerase beta, Validated applications: IHC, Uniprot ID: P06746, Storage: Store at +4°C for short term storage. Long time storage is recommended at -20°C.Product...

    $554.00
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  • Immunofluorescent staining of human cell line SiHa shows localization to vesicles.

    Atlas Antibodies

    Anti-ATG12 pAb (ATL-HPA068989)

    Catalog No.(s): ATL-HPA068989

    Product DescriptionPolyclonal Antibody against Human ATG12, Gene description: autophagy related 12, Alternative Gene Names: APG12, APG12L, Validated applications: ICC, Uniprot ID: O94817, Storage: Store at +4°C for short term storage. Long time storage...

    $554.00
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  • Immunohistochemical staining of human tonsil shows strong cytoplasmic positivity in squamous epithelial cells, germinal center cells and non-germinal center cells.

    Atlas Antibodies

    Anti-VHL pAb (ATL-HPA068954)

    Catalog No.(s): ATL-HPA068954

    Product DescriptionPolyclonal Antibody against Human VHL, Gene description: von Hippel-Lindau tumor suppressor, Alternative Gene Names: VHL1, Validated applications: IHC, Uniprot ID: P40337, Storage: Store at +4°C for short term storage. Long time...

    $486.00
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  • Immunofluorescent staining of human cell line Hep-G2 shows localization to vesicles.

    Atlas Antibodies

    Anti-SERPINA4 pAb (ATL-HPA068939)

    Catalog No.(s): ATL-HPA068939

    Product DescriptionPolyclonal Antibody against Human SERPINA4, Gene description: serpin family A member 4, Alternative Gene Names: KAL, KLST, KST, PI4, Validated applications: ICC, WB, Uniprot ID: P29622, Storage: Store at +4°C for short term storage...

    $596.00
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  • Immunofluorescent staining of human cell line MCF-7 shows localization to nucleoplasm.

    Atlas Antibodies

    Anti-JUND pAb (ATL-HPA068905)

    Catalog No.(s): ATL-HPA068905

    Product DescriptionPolyclonal Antibody against Human JUND, Gene description: JunD proto-oncogene, AP-1 transcription factor subunit, Alternative Gene Names: AP-1, Validated applications: WB, ICC, Uniprot ID: P17535, Storage: Store at +4°C for short term...

    $554.00
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  • Immunofluorescent staining of human cell line U2OS shows localization to nucleoplasm.

    Atlas Antibodies

    Anti-ID1 pAb (ATL-HPA068861)

    Catalog No.(s): ATL-HPA068861

    Product DescriptionPolyclonal Antibody against Human ID1, Gene description: inhibitor of DNA binding 1, Alternative Gene Names: bHLHb24, dJ857M17.1.2, Validated applications: ICC, Uniprot ID: P41134, Storage: Store at +4°C for short term storage. Long...

    $554.00
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  • Immunohistochemical staining of human testis shows strong cytoplasmic positivity in cells in seminiferous ducts.

    Atlas Antibodies

    Anti-EIF2B4 pAb (ATL-HPA068855)

    Catalog No.(s): ATL-HPA068855

    Product DescriptionPolyclonal Antibody against Human EIF2B4, Gene description: eukaryotic translation initiation factor 2B subunit delta, Alternative Gene Names: DKFZP586J0119, EIF-2B, EIF2B, EIF2Bdelta, Validated applications: ICC, IHC, WB, Uniprot ID:...

    $596.00
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  • Immunohistochemical staining of human pancreas shows moderate cytoplasmic positivity in exocrine glandular cells.

    Atlas Antibodies

    Anti-MLST8 pAb (ATL-HPA068631)

    Catalog No.(s): ATL-HPA068631

    Product DescriptionPolyclonal Antibody against Human MLST8, Gene description: MTOR associated protein, LST8 homolog, Alternative Gene Names: GbetaL, GBL, Lst8, Pop3, Validated applications: IHC, Uniprot ID: Q9BVC4, Storage: Store at +4°C for short term...

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  • Immunofluorescent staining of human cell line RT-4 shows localization to nucleoplasm.

    Atlas Antibodies

    Anti-MAPK10 pAb (ATL-HPA068627)

    Catalog No.(s): ATL-HPA068627

    Product DescriptionPolyclonal Antibody against Human MAPK10, Gene description: mitogen-activated protein kinase 10, Alternative Gene Names: JNK3, p493F12, p54bSAPK, PRKM10, Validated applications: ICC, WB, Uniprot ID: P53779, Storage: Store at +4°C for...

    $554.00
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  • Immunofluorescent staining of human cell line HaCaT shows localization to plasma membrane & vesicles.

    Atlas Antibodies

    Anti-LEP pAb (ATL-HPA068565)

    Catalog No.(s): ATL-HPA068565

    Product DescriptionPolyclonal Antibody against Human LEP, Gene description: leptin, Alternative Gene Names: OB, OBS, Validated applications: ICC, Uniprot ID: P41159, Storage: Store at +4°C for short term storage. Long time storage is recommended at -20°C...

    $486.00
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  • Immunofluorescent staining of human cell line U2OS shows localization to plasma membrane.

    Atlas Antibodies

    Anti-SDC2 pAb (ATL-HPA068532)

    Catalog No.(s): ATL-HPA068532

    Product DescriptionPolyclonal Antibody against Human SDC2, Gene description: syndecan 2, Alternative Gene Names: CD362, fibroglycan, HSPG, HSPG1, SYND2, Validated applications: ICC, Uniprot ID: P34741, Storage: Store at +4°C for short term storage. Long...

    $554.00
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  • Immunofluorescent staining of human cell line SiHa shows localization to nucleoplasm.

    Atlas Antibodies

    Anti-USF1 pAb (ATL-HPA068527)

    Catalog No.(s): ATL-HPA068527

    Product DescriptionPolyclonal Antibody against Human USF1, Gene description: upstream transcription factor 1, Alternative Gene Names: bHLHb11, MLTFI, UEF, Validated applications: ICC, Uniprot ID: P22415, Storage: Store at +4°C for short term storage...

    $554.00
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  • Immunofluorescent staining of human cell line U2OS shows localization to vesicles.

    Atlas Antibodies

    Anti-MST1 pAb (ATL-HPA068514)

    Catalog No.(s): ATL-HPA068514

    Product DescriptionPolyclonal Antibody against Human MST1, Gene description: macrophage stimulating 1, Alternative Gene Names: D3F15S2, DNF15S2, HGFL, MSP, NF15S2, Validated applications: ICC, Uniprot ID: , Storage: Store at +4°C for short term storage...

    $596.00
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  • Immunofluorescent staining of human cell line ASC52telo shows localization to endoplasmic reticulum.

    Atlas Antibodies

    Anti-COL1A2 pAb (ATL-HPA068494)

    Catalog No.(s): ATL-HPA068494

    Product DescriptionPolyclonal Antibody against Human COL1A2, Gene description: collagen type I alpha 2 chain, Alternative Gene Names: OI4, Validated applications: ICC, Uniprot ID: P08123, Storage: Store at +4°C for short term storage. Long time storage...

    $554.00
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  • Immunofluorescent staining of human cell line HEL shows localization to vesicles.

    Atlas Antibodies

    Anti-TEX55 pAb (ATL-HPA068480)

    Catalog No.(s): ATL-HPA068480

    Product DescriptionPolyclonal Antibody against Human TEX55, Gene description: testis expressed 55, Alternative Gene Names: C3orf30, FLJ32859, TSCPA, Validated applications: ICC, Uniprot ID: Q96M34, Storage: Store at +4°C for short term storage. Long time...

    $596.00
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  • Immunofluorescent staining of human cell line BJ [Human fibroblast] shows localization to endoplasmic reticulum.

    Atlas Antibodies

    Anti-COL1A2 pAb (ATL-HPA068464)

    Catalog No.(s): ATL-HPA068464

    Product DescriptionPolyclonal Antibody against Human COL1A2, Gene description: collagen type I alpha 2 chain, Alternative Gene Names: OI4, Validated applications: ICC, Uniprot ID: P08123, Storage: Store at +4°C for short term storage. Long time storage...

    $554.00
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  • Immunofluorescent staining of human cell line HaCaT shows localization to nucleoplasm.

    Atlas Antibodies

    Anti-TIAL1 pAb (ATL-HPA068458)

    Catalog No.(s): ATL-HPA068458

    Product DescriptionPolyclonal Antibody against Human TIAL1, Gene description: TIA1 cytotoxic granule associated RNA binding protein like 1, Alternative Gene Names: TIAR, Validated applications: ICC, Uniprot ID: Q01085, Storage: Store at +4°C for short...

    $596.00
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  • Immunofluorescent staining of human cell line SK-MEL-30 shows localization to nucleoplasm.

    Atlas Antibodies

    Anti-ESR2 pAb (ATL-HPA068406)

    Catalog No.(s): ATL-HPA068406

    Product DescriptionPolyclonal Antibody against Human ESR2, Gene description: estrogen receptor 2, Alternative Gene Names: ER-beta, Erb, NR3A2, Validated applications: WB, ICC, Uniprot ID: Q92731, Storage: Store at +4°C for short term storage. Long time...

    $486.00
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  • Immunofluorescent staining of human cell line BJ [Human fibroblast] shows localization to the Golgi apparatus & vesicles.

    Atlas Antibodies

    Anti-TIMP3 pAb (ATL-HPA068391)

    Catalog No.(s): ATL-HPA068391

    Product DescriptionPolyclonal Antibody against Human TIMP3, Gene description: TIMP metallopeptidase inhibitor 3, Alternative Gene Names: SFD, Validated applications: ICC, Uniprot ID: P35625, Storage: Store at +4°C for short term storage. Long time...

    $554.00
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  • Immunofluorescent staining of human cell line SH-SY5Y shows localization to cytosol.

    Atlas Antibodies

    Anti-ASAP2 pAb (ATL-HPA068383)

    Catalog No.(s): ATL-HPA068383

    Product DescriptionPolyclonal Antibody against Human ASAP2, Gene description: ArfGAP with SH3 domain, ankyrin repeat and PH domain 2, Alternative Gene Names: CENTB3, DDEF2, KIAA0400, PAP, SHAG1, Validated applications: ICC, Uniprot ID: O43150, Storage:...

    $596.00
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  • Immunofluorescent staining of human cell line JURKAT shows localization to the Golgi apparatus & vesicles.

    Atlas Antibodies

    Anti-CD1C pAb (ATL-HPA068359)

    Catalog No.(s): ATL-HPA068359

    Product DescriptionPolyclonal Antibody against Human CD1C, Gene description: CD1c molecule, Alternative Gene Names: CD1, Validated applications: ICC, WB, Uniprot ID: P29017, Storage: Store at +4°C for short term storage. Long time storage is recommended...

    $554.00
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  • Immunofluorescent staining of human cell line HaCaT shows localization to plasma membrane.

    Atlas Antibodies

    Anti-IL36G pAb (ATL-HPA068168)

    Catalog No.(s): ATL-HPA068168

    Product DescriptionPolyclonal Antibody against Human IL36G, Gene description: interleukin 36 gamma, Alternative Gene Names: IL-1F9, IL-1H1, IL-1RP2, IL1E, IL1F9, IL1H1, Validated applications: ICC, Uniprot ID: Q9NZH8, Storage: Store at +4°C for short...

    $596.00
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  • Immunofluorescent staining of human cell line MCF-7 shows localization to the Golgi apparatus.

    Atlas Antibodies

    Anti-C2orf50 pAb (ATL-HPA067681)

    Catalog No.(s): ATL-HPA067681

    Product DescriptionPolyclonal Antibody against Human C2orf50, Gene description: chromosome 2 open reading frame 50, Alternative Gene Names: FLJ25143, Validated applications: ICC, Uniprot ID: Q96LR7, Storage: Store at +4°C for short term storage. Long...

    $596.00
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  • Immunohistochemical staining of human heart muscle shows strong cytoplasmic positivity in myocytes.

    Atlas Antibodies

    Anti-PTGDS pAb (ATL-HPA067456)

    Catalog No.(s): ATL-HPA067456

    Product DescriptionPolyclonal Antibody against Human PTGDS, Gene description: prostaglandin D2 synthase, Alternative Gene Names: L-PGDS, PGDS, Validated applications: IHC, Uniprot ID: P41222, Storage: Store at +4°C for short term storage. Long time...

    $554.00
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  • Immunofluorescent staining of human cell line RT-4 shows localization to nucleoplasm & plasma membrane.

    Atlas Antibodies

    Anti-NOTCH3 pAb (ATL-HPA067424)

    Catalog No.(s): ATL-HPA067424

    Product DescriptionPolyclonal Antibody against Human NOTCH3, Gene description: notch receptor 3, Alternative Gene Names: CADASIL, CASIL, Validated applications: ICC, Uniprot ID: Q9UM47, Storage: Store at +4°C for short term storage. Long time storage is...

    $554.00
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  • Immunofluorescent staining of human cell line HEL shows localization to nucleoplasm & cytosol.

    Atlas Antibodies

    Anti-CITED2 pAb (ATL-HPA067368)

    Catalog No.(s): ATL-HPA067368

    Product DescriptionPolyclonal Antibody against Human CITED2, Gene description: Cbp/p300 interacting transactivator with Glu/Asp rich carboxy-terminal domain 2, Alternative Gene Names: MRG1, Validated applications: ICC, Uniprot ID: Q99967, Storage: Store...

    $596.00
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  • Immunofluorescent staining of human cell line HeLa shows localization to plasma membrane.

    Atlas Antibodies

    Anti-KCNV1 pAb (ATL-HPA067233)

    Catalog No.(s): ATL-HPA067233

    Product DescriptionPolyclonal Antibody against Human KCNV1, Gene description: potassium voltage-gated channel modifier subfamily V member 1, Alternative Gene Names: Kv8.1, Validated applications: ICC, Uniprot ID: Q6PIU1, Storage: Store at +4°C for short...

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  • Immunofluorescent staining of human cell line HeLa shows localization to cytosol.

    Atlas Antibodies

    Anti-TFEB pAb (ATL-HPA067082)

    Catalog No.(s): ATL-HPA067082

    Product DescriptionPolyclonal Antibody against Human TFEB, Gene description: transcription factor EB, Alternative Gene Names: bHLHe35, TCFEB, Validated applications: ICC, WB, Uniprot ID: P19484, Storage: Store at +4°C for short term storage. Long time...

    $554.00
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  • Immunofluorescent staining of human cell line MCF-7 shows localization to plasma membrane & cell junctions.

    Atlas Antibodies

    Anti-CACNA1I pAb (ATL-HPA066992)

    Catalog No.(s): ATL-HPA066992

    Product DescriptionPolyclonal Antibody against Human CACNA1I, Gene description: calcium voltage-gated channel subunit alpha1 I, Alternative Gene Names: Cav3.3, Validated applications: ICC, Uniprot ID: Q9P0X4, Storage: Store at +4°C for short term storage...

    $596.00
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  • Immunohistochemical staining of human bone marrow shows strong cytoplasmic positivity in hematopoietic cells.

    Atlas Antibodies

    Anti-CTSW pAb (ATL-HPA066903)

    Catalog No.(s): ATL-HPA066903

    Product DescriptionPolyclonal Antibody against Human CTSW, Gene description: cathepsin W, Validated applications: IHC, Uniprot ID: P56202, Storage: Store at +4°C for short term storage. Long time storage is recommended at -20°C.Product...

    $596.00
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  • Immunohistochemical staining of human skin shows nuclear positivity in epidermal cells.

    Atlas Antibodies

    Anti-JUN pAb (ATL-HPA066898)

    Catalog No.(s): ATL-HPA066898

    Product DescriptionPolyclonal Antibody against Human JUN, Gene description: Jun proto-oncogene, AP-1 transcription factor subunit, Alternative Gene Names: AP-1, c-Jun, Validated applications: IHC, Uniprot ID: P05412, Storage: Store at +4°C for short term...

    $486.00
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  • Immunofluorescent staining of human cell line JURKAT shows localization to plasma membrane.

    Atlas Antibodies

    Anti-CCR9 pAb (ATL-HPA066879)

    Catalog No.(s): ATL-HPA066879

    Product DescriptionPolyclonal Antibody against Human CCR9, Gene description: C-C motif chemokine receptor 9, Alternative Gene Names: CDw199, GPR-9-6, GPR28, Validated applications: ICC, Uniprot ID: P51686, Storage: Store at +4°C for short term storage...

    $554.00
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  • Immunofluorescent staining of human cell line SiHa shows localization to vesicles.

    Atlas Antibodies

    Anti-ULBP2 pAb (ATL-HPA066741)

    Catalog No.(s): ATL-HPA066741

    Product DescriptionPolyclonal Antibody against Human ULBP2, Gene description: UL16 binding protein 2, Alternative Gene Names: RAET1H, Validated applications: ICC, WB, Uniprot ID: Q9BZM5, Storage: Store at +4°C for short term storage. Long time storage is...

    $596.00
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