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GENE:

TACSTD2 (Tumor Associated Calcium Signal Transducer 2)

i
Other names: TACSTD2, Tumor Associated Calcium Signal Transducer 2, GA733-1, TROP2, EGP-1, M1S1, Membrane Component Chromosome 1 Surface Marker 1, Tumor-Associated Calcium Signal Transducer 2, Pancreatic Carcinoma Marker Protein GA733-1, Trophoblast Cell Surface Antigen 2, Cell Surface Glycoprotein Trop-2, Epithelial Glycoprotein-1, 40kD Glycoprotein, Identified By Monoclonal Antibody GA733, Membrane Component, Chromosome 1, Surface Marker 1, Gastrointestinal Tumor-Associated Antigen GA7331, Pancreatic Carcinoma Marker Protein GA7331, Cell Surface Glycoprotein TROP2, GA7331, EGP1, GP50
Associations
3d
Datopotamab Deruxtecan (Dato-DXd) and Pembrolizumab With or Without Platinum Chemotherapy in 1L Non-Small Cell Lung Cancer (TROPION-Lung07) (clinicaltrials.gov)
P3, N=1170, Active, not recruiting, Daiichi Sankyo | Trial completion date: Aug 2027 --> May 2029 | Trial primary completion date: Aug 2027 --> May 2029
Trial completion date • Trial primary completion date
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PD-L1 (Programmed death ligand 1) • TACSTD2 (Tumor Associated Calcium Signal Transducer 2)
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PD-L1 expression
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PD-L1 IHC 22C3 pharmDx
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Keytruda (pembrolizumab) • cisplatin • carboplatin • pemetrexed • Datroway (datopotamab deruxtecan-dlnk)
4d
TROP2-targeted NIR-II fluorescence imaging for visualizing surgical margins and metastatic sentinel lymph nodes in breast cancers. (PubMed, Proc Natl Acad Sci U S A)
Additionally, we optimized the rapid incubation imaging method (RIIM) by shortening the procedure to less than 8 min, illustrating TTP-ICG's high performance in distinguishing malignant from normal tissues/fibroadenoma lesions as well as detecting metastatic lymph nodes in a cohort of 59 patients. Thus, this TROP2-targeting probe demonstrates its significance for fluorescence imaging-guided surgery with dual applicability in EBC, providing translational potential for further clinical decision-making.
Journal
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TACSTD2 (Tumor Associated Calcium Signal Transducer 2)
4d
Quantitative Assays for TROP2 Measurement in Breast Cancer and Comparison to H-Score. (PubMed, Appl Immunohistochem Mol Morphol)
With the recent FDA-approval of sacituzumab govitecan and datopotamab deruxtecan in breast cancer, TROP2-targeting therapies showed promising clinical outcomes. This work represents only analytic validation, but work on clinical validation has begun. In the future, this assay may help identify patients who are more likely to benefit from TROP2-targeted therapies.
Journal
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TACSTD2 (Tumor Associated Calcium Signal Transducer 2)
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Trodelvy (sacituzumab govitecan-hziy) • Datroway (datopotamab deruxtecan-dlnk)
5d
A Study of Sacituzumab Govitecan (IMMU-132) in Endometrial Carcinoma (clinicaltrials.gov)
P2, N=50, Active, not recruiting, Yale University | Trial completion date: Feb 2026 --> Feb 2027 | Trial primary completion date: Dec 2025 --> Dec 2026
Trial completion date • Trial primary completion date
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TACSTD2 (Tumor Associated Calcium Signal Transducer 2)
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Trodelvy (sacituzumab govitecan-hziy)
10d
TROP2 expression is associated with early stage and favorable prognosis in upper tract urothelial carcinoma. (PubMed, World J Urol)
Our findings underscore the clinical significance of TROP2 expression in UTUC and suggest that IHC-based evaluation may contribute to prognostic risk stratification.
Journal
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FGFR3 (Fibroblast growth factor receptor 3) • NECTIN4 (Nectin Cell Adhesion Molecule 4) • TACSTD2 (Tumor Associated Calcium Signal Transducer 2)
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FGFR3 mutation
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Trodelvy (sacituzumab govitecan-hziy)
10d
Expression of Nectin-4 and Trop-2 in upper tract urothelial carcinoma: implications for biomarker-driven antibody-drug conjugate therapy. (PubMed, J Pathol Clin Res)
Notably, a subset of patients exhibits high expression in tumor tissue, accompanied by low expression in adjacent non-tumor urothelium, suggesting a favorable therapeutic index for antibody-drug conjugate therapy. These findings support the need for further biomarker-driven studies to optimize patient selection and treatment outcomes.
Journal
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NECTIN4 (Nectin Cell Adhesion Molecule 4) • TACSTD2 (Tumor Associated Calcium Signal Transducer 2)
17d
TROPHIT1-a randomized, open-label, multicenter, phase II/III trial of sacituzumab govitecan compared to standard of care in metastatic colorectal cancer patients. (PubMed, ESMO Gastrointest Oncol)
Patients being refractory to ≥2 lines of prior therapy and an irinotecan-free interval of at least 6 months are enrolled. The primary endpoint is progression-free survival. TROPHIT1 contains a translational research program to unravel the determinants of resistance.
P2/3 data • Journal
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TACSTD2 (Tumor Associated Calcium Signal Transducer 2)
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irinotecan • Trodelvy (sacituzumab govitecan-hziy)
19d
Glypican 3-targeted chimeric antigen receptor T cells secreting TROP2-directed bispecific T cell engagers exhibit potent efficacy against lung squamous cell carcinoma. (PubMed, Front Immunol)
This study demonstrated that GPC3 CAR-T. TROP2 BiTE was a potent therapy for LUSC and provided a strategy for overcoming the antigen heterogeneity in solid tumors.
Journal • IO biomarker
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GPC3 (Glypican 3) • TACSTD2 (Tumor Associated Calcium Signal Transducer 2)
21d
A shark VNAR-IL-15 fusion protein that suppresses TROP2+ tumor growth. (PubMed, Int J Biol Macromol)
In a humanized NSCLC mouse model, the fusion protein achieved significant tumor growth inhibition and delayed tumor progression. Collectively, these findings highlight the potential of vGY2-IL-15sa for targeted cancer immunotherapy and establish a compact VNAR-based immunocytokine platform, offering a promising approach to enhancing the therapeutic effects of IL-15 while minimizing toxicity.
Journal
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IL15 (Interleukin 15) • TACSTD2 (Tumor Associated Calcium Signal Transducer 2)
23d
New P2 trial
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PD-L1 (Programmed death ligand 1) • TACSTD2 (Tumor Associated Calcium Signal Transducer 2)
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PD-L1 expression
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Jiataile (sacituzumab tirumotecan) • Qibeian (iparomlimab/tuvonralimab) • iparomlimab (QL1604)
23d
Prognostic Impact of Claudin18.2 and TROP2 Expression in Advanced Gastric Cancer Treated With Nivolumab. (PubMed, Anticancer Res)
Among patients undergoing nivolumab treatment, CPS ≥1 was significantly associated with longer survival outcomes in CLDN18.2-positive patients, and a tendency toward improved Nivo-OS in TROP2-positive patients.
Retrospective data • Journal • PD(L)-1 Biomarker
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CLDN18 (Claudin 18) • TACSTD2 (Tumor Associated Calcium Signal Transducer 2)
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CLDN18.2 positive
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Opdivo (nivolumab)
27d
Trop-2.2 directed radioimmunotherapy with 177Lu, 225Ac, and 212Pb in a pancreatic cancer model. (PubMed, Clin Cancer Res)
Here, we provide several direct and pretargeted radiopharmaceutical variants yielding therapeutic benefit for a Trop-2.2 expressing pancreatic cancer model.
Preclinical • Journal • IO biomarker
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TACSTD2 (Tumor Associated Calcium Signal Transducer 2)