Overview of cancer types and experimental models in AgNPs-based anticancer studies.
| Plant source | Characterization | In vitro model | Mechanism | References |
|---|---|---|---|---|
| Pinus roxburghii | UV-Vis, FTIR, XRD, EDX, SAED, FESEM, and HRTEM | Lung adenocarcinomas (A549), prostatic small cell carcinomas (PC-3) | Apoptosis via mitochondrial depolarization, DNA damage, ROS, cell cycle arrest, and caspase-3 activation | [172] |
| Phyllanthus emblica | UV-Vis, TEM, FTIR, SEM-EDX, XRD, DLS-Zeta potential, TGA, and HRTEM | Lung cancer cell line (A549) | Elevated ROS levels, enhanced DNA damage, and cell death | [173] |
| Cynara scolymus(Artichoke) | UV-Vis, FTIR, SEM, DLS, and EDX | Breast cancer cells (MCF-7) | Reduce cell migration, expression of Bax, and suppression of Bcl-2 | [174] |
| Moringa oleifera | XRD, FTIR, HRTEM, EDX, and PL | In-vitro cytotoxicity and cell viability of human cancer cell HT-29 | Induce apoptosis | [175] |
| Tamarindus indica | UV-Vis, FTIR, EDS, SEM, and TEM | MCF-7 human breast cancer cell line | Induce apoptosis | [176] |
| Achillea biebersteinii | UV-Vis, FTIR, TEM, DLS, and EDX | MCF-7 human breast cancer cell line | Triggered apoptosis through caspase activation and modulation of Bax and Bcl-2 expression | [177] |
| Punica granatum | UV-Vis, FTIR, DLS, EDX, SEM, and XRD | Human cervical cancer cells (HeLa) | Reduce cell viability | [178] |
| Gloriosa superba | UV-Vis, HRTEM, EDX, DLS, and XRD | MCF-7 cell line | High cytotoxicity due to interactions with cellular proteins and DNA, leading to cell death | [179] |
| Teucrium polium | UV-Vis, FTIR, SEM, and XRD | MNK45 human gastric cancer cell line | Cytotoxic activity induces apoptosis | [180] |
| Melia dubia | UV-Vis, XRD, EDS, and SEM | Human breast cancer (KB) cell line | Show activity against the KB cell line | [181] |
| Ulva lactuca | UV-Vis, FTIR, TEM, and EDX | Human colon cancer HCT-116 cells | Higher levels of P53, Bax, and P21, along with lower Bcl-2, point to cell death driven by p53-related apoptosis | [182] |
| Cucumis prophetarum | UV-Vis, FTIR, DLS, XRD, SEM, and EDX | A549, MDA-MB-231, hepatocellular carcinoma (HepG2), and MCF-7 cell line | Antiproliferative potential against selected cancer cell lines | [183] |
| Rosa damascena | UV-Vis, FTIR, DLS, SEM, HRTEM, XRD, and EDX | Human lung adenocarcinoma (A549) | Inducing apoptosis, generating ROS, and disrupting mitochondrial membrane potential lead to cell death | [184] |
| Gossypium hirsutum | UV-Vis, FTIR, LS, SEM, TEM, and XRD | Human lung cancer cells (A549) | Activate apoptosis in cancer cells by mitochondria-mediated pathways | [185] |
| Syzygium aromaticum | UV-Vis, HRTEM, and EDX | MCF-7 breast and A549 lung cell lines | Induced apoptosis via oxidative stress mechanisms | [186] |
| Podophyllum hexandrum | TEM, XRD, and FTIR | Human cervical cancer cell line (HeLa) | Decrease cell proliferation, increase intracellular ROS, DNA damage, and apoptosis | [187] |
| Heliotropium indicum | SEM, EDX | HeLa cervical cancer cell line | Inhibits cell growth in a dose and time-dependent manner | [188] |
| Azadirachta indica | FTIR, TEM, and DLS | MCF-7 and HeLa cell lines; in vivo model (Balb/C mice) | Alter pro-inflammatory cytokine levels and pro-apoptotic protein expressions | [189] |
| Gum arabic | UV-Vis, TEM | Oral tongue squamous cell carcinoma (CAL-127 cells) | Inhibits hypoxia through its suppressive effect on the HIF-1α protein, and its regulators miR-210 and miR-21 | [190] |
| Alternanthera sessilis | UV-Vis, EDX, SAED, FTIR, HRTEM, and AFM | Cervical cancer cell line (HeLa) | Induce apoptosis | [191] |
AgNPs: silver nanoparticles; UV-Vis: UV-visible spectroscopy; FTIR: Fourier transform infrared spectroscopy; XRD: X-ray diffraction; EDX: energy dispersive X-ray; SAED: selected area electron diffraction; FESEM: field emission scanning electron microscopy; HRTEM: high-resolution transmission electron microscopy; TEM: transmission electron microscopy; TGA: thermogravimetric analysis; SEM: scanning electron microscopy; DLS: dynamic light scattering; PL: photoluminescence; EDS: energy dispersive X-ray spectroscopy; LS: light scattering; AFM: atomic force microscope; ROS: reactive oxygen species; HIF-1α: hypoxia-inducible factor 1-alpha.
The authors gratefully acknowledge the contributions of their collaborators and co-workers mentioned in the cited references. MSA and SM are thankful to the SGT School of Pharmacy, SGT University, for their support. KQ to Jamia Hamdard University, New Delhi, and to PK to Dhanrua School of Nursing & Paramedics, Dhanrua, Patna, and all are thankful for the support. All authors also very thankful to Arezah Sabir for her valuable support in editing the article.
PK: Conceptualization, Methodology, Writing—original draft. KQ: Conceptualization, Methodology, Writing—review & editing. RK: Software, Data curation, Visualization. SM: Formal analysis, Data curation, Resources. AW: Data curation, Resources, Writing—review & editing. KJ: Data curation, Visualization. KSV: Visualization, Writing—review & editing. MSA: Supervision, Writing—review & editing, Visualization, Resources, Investigation, Validation. All authors read and approved the submitted version.
The authors declare that there are no conflicts of interest.
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