Analysis of MDSC-Mediated Immune Suppression in TME

Within the tumor microenvironment (TME), tumor progression and metastasis can be facilitated and promoted by myeloid-derived suppressor cells (MDSCs), which also induce immunosuppression and stimulate tumor angiogenesis. At Alfa Cytology, we recognize the crucial importance of comprehending MDSC-mediated immune suppression in developing effective cancer therapies.

The Role of MDSCs in TME

MDSCs play a critical role in creating an microenvironment that suppresses immune response and promotes tumor growth. They suppress immune function through several mechanisms, including inhibiting effector immune cells and producing immunosuppressive molecules. One of the primary mechanisms that MDSCsemploye is by generating reactive oxygen species (ROS) and nitric oxide (NO), which can impede the performance of T cells, natural killer (NK) cells, and dendritic cells (DCs). Additionally, MDSCs can release various cytokines and chemokines, like interleukin-10 (IL-10) and transforming growth factor-beta (TGF-β), which can further suppress immune responses while encouraging tumor growth. Furthermore, MDSCs can directly inhibit T cell activation and proliferation by depleting critical amino acids such as arginine and cysteine, which are indispensable for T cell function. In addition, MDSCs trigger the expansion of regulatory T cells (Tregs), which dampen immune responses even further.

Metabolic interactions of MDSCs with TMEFig. 1 Metabolic interactions of MDSCs with TME. (Li Q, et al., 2022)

Analysis of MDSC-Mediated Immune Suppression in TME

Alfa Cytology offers a range of advanced services focused on analyzing MDSC-mediated immune suppression within the TME. Our dedicated team is committed to unraveling the intricate world of MDSCs and their significant impact on cancer progression. Our services include, but are not limited to:

  • Characterization of MDSC Subpopulations
    By utilizing flow cytometry and multi-color immunofluorescence techniques, we can accurately identify and classify these MDSC subpopulations based on specific phenotypic markers. This detailed analysis allows for a deeper understanding of the contributions of each MDSC subset to tumor progression and immune evasion.
  • Functional Profiling of MDSCs
    Alfa Cytology conducts an in-depth functional analysis of MDSCs, focusing on their immunosuppressive potential, cytokine secretion patterns, and interactions with other immune cells. By elucidating the precise mechanisms through which MDSCs dampen immune responses, we pave the way for the design of novel immunotherapeutic strategies.
  • Assessment of MDSC Recruitment and Activation Pathways
    At Alfa Cytology, we utilize techniques such as flow cytometry-based analyses and gene expression profiling to delve into the specific signaling networks and pathways linked with the recruitment and activation of MDSCs. By deciphering these mechanisms, we can identify potential targets that can be exploited for therapeutic intervention, aiming to disrupt MDSC-mediated immune suppression.
  • Evaluation of MDSC Impact on Tumor Angiogenesis and Metastasis
    In addition to their immunosuppressive functions, MDSCs have been implicated in promoting tumor angiogenesis and facilitating metastatic spread. At Alfa Cytology, we can perform specialized assays, such as tube formation assays and in vivo models, to assess the pro-angiogenic effects of MDSCs. Through these assays, we can measure their capacity to stimulate endothelial cell proliferation and facilitate tube formation. Furthermore, we delve into the dynamic interplay between MDSCs and tumor cells, shedding light on the complex communication that drives the progression and metastasis of tumors.

The Advantages of Our MDSC-Mediated Immune Suppression Analysis

  • At Alfa Cytology, we can perform comprehensive functional profiling of MDSCs, providing valuable insights into their immunosuppressive capabilities within the TME. These analyses help elucidate the mechanisms underlying this suppression and inform the development of targeted therapies to counteract their effects.
  • Alfa Cytology offers in vivo models to study MDSC-mediated immune suppression in a controlled environment. These models allow researchers to investigate the effects of MDSC depletion or modulation on crucial aspects.
  • With our comprehensive understanding of the intricate mechanisms driving MDSC-mediated immune suppression and our commitment to staying abreast of the latest advancements in the field, we are well-equipped to offer invaluable insights and guidance throughout your research endeavor.

At Alfa Cytology, we recognize the critical role MDSCs play in the TME and driving cancer progression. We are committed to delivering high-quality analysis, providing valuable insights into MDSC-mediated immune suppression, and contributing to the development of novel therapeutic strategies. Contact us today to to unravel the capabilities of MDSC examination and acquire a profound comprehension of this field.


  1. Li Q, et al. Metabolic reprograming of MDSCs within tumor microenvironment and targeting for cancer immunotherapy. Acta Pharmacol Sin, 2022;43(6):1337-1348.

All of our services and products are intended for preclinical research use only and cannot be used to diagnose, treat or manage patients.


Alfa Cytology is a service provider specializing in tumor microenvironment research.

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