Review Article

Advances and Challenges in Cancer Stem Cells for Onco-Therapeutics

Table 2

Biomarkers of CSCs in human cancers [110113].

CancersMarkersFunction

Breast cancerCD29+,
CD49f+,
CD90+,
CD133+,
Aldehyde Dehydrogenase+,
ESA+/CD44+/CD24,
CD44+/CD24
Aldehyde Dehydrogenase: a chemical that helps the body’s resilience
CD44: a protein that is involved in cell movement and reproduction
CD90: T-cell adherence and signaling pathways are both assisted by this protein
CD133: a membrane protein that keeps lipids constituents inside the cellular membrane
CD24: a biomarker that enables blood to flow through the tumor during
metastasis
CD49f: a component of the fibronectin group of protein complexes that has an involvement in cell attachment
It plays a crucial role in cell attachment and communication

Prostate cancerEpCAM+, CD117+,
α2β1+,
Aldehyde Dehydrogenase+,
CD44+,
EZH2+,
CXCR4+,
E-cadherin+,
CD133+
α2β1: a cellular adhesive and identification receptor that has a role in
cell attachment and identification
E-cadherin is a molecule that promotes tumor movement and invasion
CXCR4: this CXC-related protein binds the CD4 proteins to enable HIV to infiltrate organs
EZH2: an important component of the nervous system as well as a part of the polycistronic group

Brain cancerCD49f+,
CD90+,
CD44+,
CD36+,
EGFR+,
A2B5+,
L1 cell adhesion molecule+,
CD133+,
CD36: the platelet’s primary glycoprotein acts as just a binding protein
EGFR: it interacts with fibroblast protein and promotes tumor proliferation
A2B5: a glycoprotein biomarker that differentiates nerve subgroups in the nervous system
L1 cell adhesion molecule: performs a vital role in the neurological cell motility and development

Stomach cancerAldehydeDehydrogenase+, CD44+,
CD44V8–10+,
CD133+, CD24+,
CD54+, CD90+,
CD49f+ CD71+,
EpCAM+
CD44V8–10: a CD44 variant related to a subpopulation of tumorigenesis
CD54: belongs to a family of adhesive proteins and produces cancer cells

Colorectal cancerCD200+, EpCAM+,
CD133+, CD166+,
CD206+, CD44+, CD49f+, AldehydeDehydrogenase+
CD200: tt has a role in immunoregulation
CD166: it interacts with a 6th edition T-cell differentiation marker and helps in
cell proliferation and migration
CD206: cellular membranes, clearance, and immune homeostasis all are assisted by the mannuronic receptors
EpCAM: this is a cell–cell nutrient cellular adhesion molecule that is also present over most epithelia and in intestinal malignancies

Liver cancerCD24+, CD133+,
CD13+, CD44+,
CD206+, OV-6+,
CD90+, EpCAM+
CD13: glycoprotein involved in protein metabolism
OV-6: cell surface antigen and used as a biomarker
AML cancerCD34+,
CD38,
CD90+,
CD71+,
CD19+,
CD20+,
CD44+,
CD10+,
CD45RA+,
CD123+
CD34: tt helps the adhesion of cell lines to external or stroma polymorphonuclear leukocytes
CD38: predictive factor for individuals with persistent lymphoblastic
leukemia, an internal Ca2+ recruitment pathway
CD71: for neuron development, serum ferritin receptors are needed for cellular iron uptake
CD19: phagocytic cell maturation is governed by a group of signaling.
pathway component, including CD19
CD20: the protein is essential for B cell development and differentiation to lymphoid cells
CD10: it is a neutral endopeptidase which inactivates several peptides
CD45RA: the CD45 antigen is a receptor protein with tyrosine phosphatase activity, also known as the Ly-5 or leukocyte common antigen
CD123: a component of a homodimer cytokines sensor that is particular
for cytokines

Melanoma cancerCD20+, CD271+,
AldehydeDehydrogenase+, CD133+
CD271 marker to identify mesenchymal stem cells. It mediates the stemness of melanoma cells and serves as a regulator of metastasis

Bladder cancerCD44v6+, CD44+,
ALDEHYDE DEHYDROGENASE+
CD44v6 is involved in cell cycle progression and cell attachment

Ovarian cancerCD24+, AldehydeDehydrogenase+,
CD44+/CD117+,
EpCAM+, CD133+
CD117 expression has a pathogenic role in many malignancies, including ovarian carcinoma

Pancreas cancerAldehyde Dehydrogenase+, CD133+,
CD44+/CD24+/EpCAM+,
ABCG2+, CXCR4+,
ABCG2: the ABC carrier subfamily is a set of biological membranes that
serve as a factor in the antibiotic resistance of CSCs

Head and neck squamous cell carcinomas cancerAldehyde Dehydrogenase+, CD44+,
CD166+
Gallbladder cancerCD44+/CD133+

Renal cell carcinoma cancerCD133+, AldehydeDehydrogenase+,
CXCR4+, CD44+,
CD105+
CD105: it is involved in the regulation of angiogenesis, the process of forming new blood vessels. Prognostic marker in renal cancer

Lung cancerCD166+, CD90+,
CD87+, AldehydeDehydrogenase+,
CD44+, CD133+
CD87: connected to cell membrane plasmin stimulation and local degradation of
extracellular environment. It is allied with many physiologic and pathologic events

Malignant mesothelioma CancerCD9+,
CD24+,
CD26+
CD9: glycosylated protein is involved in a range of cellular processes, including
such division, attachment, and signal transduction, as well as cancerous cells motion and metastasis
CD26: involved in glucose metabolism and immune system modulationHighly expressed in malignant mesothelioma compared to the benign tissues

Oral squamous cell carcinoma cancerCD44+/CD24,
ITGA7+
ITGA7: an adhesion molecule related to the cell relocation, morphogenesis, distinction, metastatic spread, delineation, and relocation during early embryogenesis

Cutaneous squamous cell carcinoma cancerCD44+, CD133+
Esophageal cancerITGA7+, CD44+,
AldehydeDehydrogenase+, CD133+,
CD90+
Multiple myeloma cancerCD138−,
CD19+,
CD27+,
CD138: it is involved in cell–cell adhesion, cell migration, differentiation of plasma cells, and cell signaling processes
CD27: CD27 acts as a co-stimulatory molecule for T cells, enhancing their activation and proliferation

Cervix cancerABCG2+, CD133+, CD49f+, AldehydeDehydrogenase+

Nasopharyngeal cancerCD44+, CD133+, AldehydeDehydrogenase+, CD24+

Laryngeal cancerAldehyde Dehydrogenase+, CD44+, CD133+