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HiXpan ® Cell culture additives
Cell culture supplements are chemically defined or animal-free additives used in cell culture to replace traditional animal sera, such as fetal bovine serum, with the aim of reducing batch-to-batch variability, minimizing contamination risks, and enhancing experimental reproducibility. Their composition typically includes growth factors, carrier proteins, trace elements, and other components, making them suitable for applications in vaccine production, biopharmaceuticals, regenerative medicine, and other fields.
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HiXpan ® NK Serum-Free Culture Kit (Trophoblast Method)
Immunotherapy is currently one of the most promising approaches for cancer treatment, with natural killer (NK) cells emerging as particularly promising effector cells. Immune cells are broadly categorized into adaptive and innate components. Innovative therapeutics targeting adaptive immune cells include cytotoxic T lymphocytes (CTLs), tumor-infiltrating lymphocytes (TILs), chimeric antigen receptor T cells (CAR-T cells), and T-cell receptors (TCR-T cells). Among these, CAR-T therapy is currently the most actively pursued modality; however, following CAR-T cell infusion, patients may experience two major severe adverse effects: cytokine release syndrome and neurotoxicity. Although CAR-T therapy achieves high rates of complete remission, it is associated with immune cell exhaustion, which can lead to disease relapse, and its efficacy against solid tumors remains limited due to off-target effects.
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HiXpan ® NK Cell Serum-Free Culture Kit (Cytokine-Based)
During ex vivo expansion and culture of NK cells, challenges often arise, including low expansion rates, prolonged culture durations, and the overgrowth of conventional T cells in the initial culture phase, which can lead to phenotypic exhaustion of the NK cells. HeyouSheng NK cell expansion medium supports the rapid expansion of NK cells from diverse sources under feeder-free conditions, making it an optimal choice for clinical trials and research in cell therapy. It is broadly applicable for the expansion of NK cells derived from peripheral blood, umbilical cord blood, the NK92 cell line, and NK cells induced from pluripotent stem cells.
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HiXpan ® Serum-Free γδ T Cell Culture Kit
γδ T cells represent an emerging frontier in tumor immunology; like αβ T cells, they can exert cytotoxic effector functions (ADCC) and produce pro-inflammatory cytokines. The key distinction is that γδ T cells recognize tumor antigens in an MHC-unrestricted manner, endowing them with the characteristics of a universal cell therapy product. The TCRγδ on the surface of γδ T cells does not require binding to MHC molecules or antigen presentation by antigen-presenting cells (APCs); instead, it can directly recognize and bind antigenic molecules. However, the repertoire of TCRγδ receptors is relatively limited and lacks diversity, resulting in a narrower antigen-recognition spectrum for γδ T cells. γδ T cells in different tissues express distinct TCRγδ receptors and recognize antigens with varying properties, whereas γδ T cells within the same tissue typically express the same TCRγδ and recognize antigens of a similar nature.
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HiXpan ® MSC Serum-Free Culture Kit
Mesenchymal stem cells (MSCs) are multipotent stem cells that possess all the hallmark properties of stem cells: self-renewal and the capacity for multi-lineage differentiation. MSCs were first identified in bone marrow, and subsequent studies have revealed their presence in numerous tissues throughout human development. Currently, MSCs can be isolated and cultured from a variety of sources, including bone marrow, adipose tissue, synovial membrane, bone, muscle, lung, liver, pancreas, as well as amniotic fluid and umbilical cord blood; among these, bone-marrow–derived MSCs are the most widely used.
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Cell Feeder Bottom-Translucent Cell Culture Flask
Cell culture flasks serve as vessels for cell culture and expansion, offering the advantage of accommodating large cell densities and supporting long-term cultivation. These flasks typically feature a high surface-area-to-volume ratio, which promotes adherent cell growth and efficient nutrient exchange, facilitates subculturing and expansion, and meets the demands of research requiring large cell numbers. However, when using conventional cell culture flasks for cell expansion, frequent manual interventions are necessary to adjust cell density and replenish fresh culture medium, thereby increasing the risk of contamination. In contrast, permeable culture bags or bioreactors represent alternative approaches for large-scale production of CIK, T, and NK cells. Yet, culture bags require substantial volumes of fresh medium and frequent adjustments of cell density, while visual monitoring is inconvenient and relies on sampling or external sensors to assess cell status; bioreactors, on the other hand, are bulky, expensive, and complex to operate. The G-Rex series of culture flasks has been widely validated and adopted by users; however, this series is costly and subject to supply instability.
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Human Monocyte-Derived Dendritic Cell Differentiation Kit
Dendritic cells (DCs) derive their name from the dendritic processes on their surface, which facilitate antigen capture and intercellular communication with other immune cells. As the most potent professional antigen-presenting cells (APCs), dendritic cells efficiently engulf, process, and present antigens. However, DCs are relatively rare in peripheral blood, accounting for only about 1% of peripheral blood mononuclear cells.
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Serum-free cell cryopreservation solution
Cell cryopreservation media serve as the liquid environment during cryopreservation, providing nutrients and protective effects to cells. They lower the freezing point, increase the permeability of cell membranes to water, and facilitate the efflux of intracellular water prior to freezing, thereby preventing or reducing ice-crystal–induced damage. This allows cells to be temporarily suspended from active growth while preserving their cellular characteristics, so that they can be directly revived when needed to regain viability. Traditionally, cryopreservation media are prepared by mixing culture medium, serum, and DMSO in specific ratios; however, due to the complex composition of serum and significant batch-to-batch variability, their application is limited, and they require a stepwise cooling protocol, which is time-consuming and labor-intensive.
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