Related Experiment Video
Updated: Jan 29, 2026
06:03
Orthotopic Transplantation of Syngeneic Lung Adenocarcinoma Cells to Study PD-L1 Expression
Published on: January 19, 2019
18.2K
Why Cemiplimab? Defining a Unique Therapeutic Niche in First-Line Non-Small-Cell Lung Cancer with Ultra-High PD-L1
Satoshi Ikeda1, Keigo Araki1, Mai Kitagawa1
1Department of Thoracic Oncology, Kansai Medical University, 2-5-1 Shin-machi, Hirakata 573-1010, Japan.
Cancers
|January 28, 2026
Summary
Cemiplimab, a stable anti-PD-1 antibody, shows promise for metastatic non-small cell lung cancer (NSCLC), especially in squamous histology with high PD-L1 expression.
Area of Science:
- Oncology
- Immunotherapy
- Molecular Biology
Background:
- First-line treatment for metastatic non-small cell lung cancer (NSCLC) without driver mutations is evolving.
- Pembrolizumab-based regimens currently dominate the treatment landscape.
- Cemiplimab offers unique molecular characteristics as a novel anti-PD-1 antibody.
Purpose of the Study:
- To review the molecular features of cemiplimab.
- To define cemiplimab's optimal positioning in NSCLC treatment.
- To highlight its efficacy in specific patient populations.
Main Methods:
- Review of cemiplimab's structural advantages, including hinge-region mutation and PD-1 interaction.
- Analysis of data from the EMPOWER-Lung clinical trial program.
- Examination of efficacy in squamous NSCLC and PD-L1 expression subgroups.
Main Results:
- Cemiplimab's engineered stability minimizes anti-drug antibody (ADA) risks.
- Unique PD-1 interaction may enhance binding efficacy.
- Demonstrated survival benefits in ultra-high PD-L1 expression (TPS ≥90%) subgroup.
- Consistent efficacy in squamous NSCLC, both as monotherapy and combination therapy.
Conclusions:
- Cemiplimab shows significant promise in specific NSCLC populations.
- Its structural stability and reduced immunogenicity are key advantages.
- Establishes a therapeutic niche for squamous NSCLC with ultra-high PD-L1 expression.
More Related Videos
07:43Using 22C3 Anti-PD-L1 Antibody Concentrate on Biopsy and Cytology Samples from Non-small Cell Lung Cancer Patients
Published on: September 25, 2018
11.0K
07:59Author Spotlight: Advancements in Molecular Biomarker Testing for Non-Squamous Non-Small Cell Lung Cancer
Published on: September 8, 2023
1.6K
Related Concept Videos
02:02Ecological Niches
26.4K
All organisms have a position within an ecosystem. The complete set of living and nonliving factors—including food resources, climate, and terrain—that define the position of a given organism are collectively referred to as the organism’s ecological niche.
26.4K
01:26Stem Cell Niche
6.3K
The stem cell niche is the dynamic microenvironment where stem cells reside. Inside these niches, the cells may remain undifferentiated, undergo high self-renewal, or become lineage-specific progenitors. Stem cells coexist with other niche cells, such as stromal cells. They also interact closely with the ECM. Cell-cell and cell-matrix communication occur via adhesion molecules or soluble factors that signal the stem cells and determine their fate. Stromal cells also provide survival signals to...
6.3K
01:18Other Unique Bacteria
434
Magnetic bacteria exhibit a directed movement called magnetotaxis, driven by structures called magnetosomes. These magnetosomes consist of chains of magnetic particles made of either magnetite (Fe₃O₄) or greigite (Fe₃S₄) and are organized in a linear conformation by a protein scaffold within invaginations of the cell membrane. The bacteria align along the north–south magnetic field lines, much like a compass needle. They are typically microaerophilic or anaerobic...
434
01:16Second Uniqueness Theorem
2.6K
Consider a region consisting of several individual conductors with a definite charge density in the region between these conductors. The second uniqueness theorem states that if the total charge on each conductor and the charge density in the in-between region are known, then the electric field can be uniquely determined.
In contrast, consider that the electric field is non-unique and apply Gauss's law in divergence form in the region between the conductors and the integral form to the surface...
In contrast, consider that the electric field is non-unique and apply Gauss's law in divergence form in the region between the conductors and the integral form to the surface...
2.6K
01:58Cell Specific Gene Expression
16.5K
Multicellular organisms contain a variety of structurally and functionally distinct cell types, but the DNA in all the cells originated from the same parent cells. The differences in the cells can be attributed to the differential gene expression. Liver cells, whose functions include detoxification of blood, production of bile to metabolize fats, and synthesis of proteins essential for metabolism, must express a specific set of genes to perform their functions. Gene expression also varies with...
16.5K
01:06Multipotency and Niche of Bulge Stem Cell
4.2K
A hair follicle or HF is a small part of the skin that produces the hair shaft. Paul Gerson Unna was the first to observe a bulge in the human hair follicle's outer root sheath (ORS). The bulge is present between the sebaceous gland and the arrector pili muscle and is the niche for hair follicle stem cells (HFSCs). The bulge is also a niche for melanocyte stem cells, and their loss results in graying of hair. The HFSCs express Sox9 and Lhx2, which help them maintain stemness and prevent...
4.2K