Silver-NanoParticles / TumCCA Cancer Research Results

AgNPs, Silver-NanoParticles: Click to Expand ⟱
Features:
Silver NanoParticles (AgNPs)
Summary:
1.Smaller sizes are generally more bioactive due to increased surface area and enhanced tumor accumulation via the enhanced permeability and retention (EPR) effect.
2.Two relevant forms: particulate silver (AgNPs) and ionic silver (Ag⁺). There is debate regarding oral use, as Ag⁺ can precipitate as AgCl in gastric acid, reducing bioavailability; AgNPs may partially avoid this via particulate uptake and intracellular Ag⁺ release. Gastric pH may influence this equilibrium.
3. Dose example 80kg person: 1.12-2mg/day, which can be calculated based on ppm and volume taken (see below) target < 10ppm and 120mL per day (30ppm and 1L per day caused argyria 30mg/day ) (Case Report: 9‐15 ppm@120mL, i.e. 1.1mg/L to 1.8mg/L per day)
Likely 10ppm --> 10mg/L, hence if take 100mL, then 1mg/day? (for Cancer)
The current Rfd for oral silver exposure is 5 ug/kg/d with a critical dose estimated at 14 ug/kg/d for the average person.
Seems like the Cancer target range is 14ug/kg/day to 25ug/kg/day. 80Kg example: 1.12mg to 2mg “1.4µg/kg body weight. If I would have 70kg, I would want to use 100µg/day. However, for fighting active disease, I would tend to explore higher daily dose, as I think this may be too low.”
These values reflect experimental or anecdotal contexts and are not established safe or therapeutic doses.
4. Antioxidants such as NAC can counteract AgNP cytotoxicity by restoring glutathione pools and suppressing ROS-mediated mitochondrial damage.
5. In vitro studies commonly show ROS elevation in both cancer and normal cells; however, in vivo, superior antioxidant, NRF2, and repair capacity in normal tissues may confer selectivity.
6. Pathways/mechanisms of action/:
-” intracellular ROS was increased...reduction in levels of glutathione (GSH)”
- Normal-cell selectivity is partly mediated by NRF2-dependent antioxidant and detoxification responses.
- AgNPs impair mitochondrial electron transport, increasing electron leak and amplifying ROS upstream of ΔΨm collapse.
-AgNPs inhibit VEGF-driven endothelial signaling and permeability (anti-angiogenic effect)
-”upregulation of proapoptotic genes (p53, p21, Bax, and caspases) and downregulation of antiapoptotic genes (Bcl-2)”
-” upregulation of AMPK and downregulation of mTOR, MMP-9, BCL-2, and α-SMA”
-”p53 is a key player...proapoptotic genes p53 and Bax were significantly increased... noticeable reduction in Bcl-2 transcript levels”
-” p53 participates directly in the intrinsic apoptosis pathway by regulating the mitochondrial outer membrane permeabilization”
- “Proapoptotic markers (BAX/BCL-XL, cleaved poly(ADP-ribose) polymerase, p53, p21, and caspases 3, 8 and 9) increased.”
-”The antiapoptotic markers, AKT and NF-kB, decreased in AgNP-treated cells.”

Chronic accumulation and long-term systemic effects remain insufficiently characterized.

Silver NanoParticles and Magnetic Fields
Summary:
1. “exposure to PMF increased the ability of AgNPs uptake”
2. 6x improvement from AgNPs alone

could glucose capping of SilverNPs work as trojan horse?

Sodium selenite might protect against toxicity of AgNPs in normal cells.

-uncoated AgNPs can degrade the gut microbiome. PVP, citrate, green-synthesized, chitosan coating, may reduce the effect.
Similar oxidative considerations may apply to selenium compounds, though mechanisms differ.
co-ingestion with food (higher pH) favors reduction and lower Ag+ levels.
-action mechanisms of AgNPs: the release of silver ions (Ag+), generation of reactive oxygen species (ROS), destruction of membrane structure.

AgNP anticancer effects come from three overlapping mechanisms:
-Nanoparticle–cell interaction (uptake, membrane effects)
-Intracellular ROS generation
-Controlled Ag⁺ release inside cancer cells

Comparison adding Citrate Capping
| Property              | Uncapped AgNPs | Citrate-capped AgNPs |
| --------------------- | -------------- | -------------------- |
| Stability             | Poor           | Excellent            |
| Free Ag⁺              | High           | Low                  |
| Normal cell toxicity  | Higher         | Lower                |
| Cancer selectivity    | Lower          | **Higher**           |
| Mechanism specificity | Crude          | **Targeted**         |
| Storage behavior      | Degrades       | Stable               |

Rank Pathway / Target Axis Cancer Cells Normal Cells Primary Effect Notes / Cancer Relevance Ref
1 Oxidative stress / ROS generation ↑ ROS (sustained) ↑ transient ROS → ↓ net ROS after adaptation Upstream cytotoxic trigger AgNP exposure commonly elevates ROS in cancer cells, initiating downstream stress-death programs (ref)
2 Thiol buffering (GSH pool) ↓ GSH (depletion) ↔ or transient ↓ with recovery Loss of redox buffering Colon cancer model: AgNPs induce oxidative cell damage through inhibition/depletion of reduced glutathione with downstream mitochondrial apoptosis (ref)
3 Mitochondrial ETC / respiration ↓ ETC efficiency; ↑ electron leak ↔ mild inhibition with recovery Bioenergetic destabilization ETC impairment amplifies ROS, precedes ΔΨm loss, and contributes to ATP collapse in cancer cells
4 Mitochondrial integrity (ΔΨm / MMP) ↓ ΔΨm ↔ largely preserved Mitochondrial dysfunction Breast cancer model: AgNP exposure dissipates mitochondrial membrane potential during cytotoxic progression (ref)
5 Intrinsic apoptosis (caspase cascade) ↑ caspase-dependent apoptosis ↔ minimal activation Programmed cell death Colon cancer model: “silver-based nanoparticles” induce apoptosis mediated through p53 (apoptosis direction shown) (ref)
6 Genotoxic stress / DNA damage ↑ DNA damage ↑ damage at high dose with efficient repair Checkpoint/death signaling Study documents AgNP-mediated DNA damage; susceptibility increases with impaired DNA repair capacity (ref)
7 ER stress / UPR (CHOP-dependent) ↑ ER stress → apoptosis ↑ adaptive UPR (no CHOP) Proteotoxic stress signaling Breast cancer cells: AgNPs induce “irremediable” ER stress leading to UPR-dependent apoptosis (ref)
8 Autophagy program ↑ autophagy (protective) ↑ adaptive autophagy Stress adaptation AgNPs induce autophagy in cancer cells; inhibiting autophagy enhances AgNP anticancer killing (ref)
9 Autophagic flux / lysosomal function ↓ flux (lysosomal defect) ↔ preserved flux Autophagic failure AgNP-induced lysosomal dysfunction drives autophagic flux defects (LC3-II accumulation) (ref)
10 NRF2 antioxidant response ↔ insufficient activation ↑ NRF2 activation Adaptive redox defense NRF2 activation in normal cells restores GSH and antioxidant enzymes, limiting toxicity
11 Stress MAPK (p38) / checkpoint signaling ↑ p38 → arrest/apoptosis ↑ transient p38 → recovery Stress signaling Jurkat T-cell model shows p38 MAPK activation with DNA damage and apoptosis (ref)
12 Angiogenesis / invasion (VEGF, NF-κB-linked) ↓ angiogenesis / ↓ invasion ↔ minimal effect Anti-angiogenic / anti-invasive AgNPs inhibit VEGF-induced permeability and invasion in tumor models (ref)


TumCCA, Tumor cell cycle arrest: Click to Expand ⟱
Source:
Type:
Tumor cell cycle arrest refers to the process by which cancer cells stop progressing through the cell cycle, which is the series of phases that a cell goes through to divide and replicate. This arrest can occur at various checkpoints in the cell cycle, including the G1, S, G2, and M phases. S, G1, G2, and M are the four phases of mitosis.
Scientific Papers found: Click to Expand⟱
4584- AgNPs,    Silver Nanoparticles Synthesized Using Carica papaya Leaf Extract (AgNPs-PLE) Causes Cell Cycle Arrest and Apoptosis in Human Prostate (DU145) Cancer Cells
- in-vitro, Pca, DU145
selectivity↑, ROS↑, BAX↑, cl‑Casp3↑, p‑PARP↑, TumCCA↑, cycD1/CCND1↓, p27↑, P21↑, AntiCan↑,
4564- AgNPs,  GoldNP,  Cu,  Chemo,  PDT  Cytotoxicity and targeted drug delivery of green synthesized metallic nanoparticles against oral Cancer: A review
- Review, Var, NA
ROS↑, DNAdam↑, TumCCA↑, eff↑, Apoptosis↑, eff↓, ChemoSen↑,
4563- AgNPs,  Rad,    Silver nanoparticles enhance neutron radiation sensitivity in cancer cells: An in vitro study
- in-vitro, BC, MCF-7 - in-vitro, Ovarian, SKOV3 - in-vitro, GBM, U87MG - in-vitro, Melanoma, A431
RadioS↑, ROS↑, TumCCA↑, Apoptosis↑, ER Stress↑,
4561- AgNPs,  VitC,    Cellular Effects Nanosilver on Cancer and Non-cancer Cells: Potential Environmental and Human Health Impacts
- in-vitro, CRC, HCT116 - in-vitro, Nor, HEK293
NRF2↑, TumCCA↑, ROS↑, selectivity↑, *AntiViral↑, *toxicity↝, ETC↓, MMP↓, DNAdam↑, Apoptosis↑, lipid-P↑, other↝, UPR↑, *GRP78/BiP↑, *p‑PERK↑, *cl‑eIF2α↑, *CHOP↑, *JNK↑, Hif1a↓, AntiCan↑, *toxicity↓, eff↑,
4558- AgNPs,    Role of Oxidative and Nitro-Oxidative Damage in Silver Nanoparticles Cytotoxic Effect against Human Pancreatic Ductal Adenocarcinoma Cells
- in-vitro, PC, PANC1
ROS↑, selectivity↑, NO↑, SOD↓, GPx4↓, Catalase↓, TumCCA↑, MMP↓,
5143- AgNPs,    Thermal Co-reduction engineered silver nanoparticles induce oxidative cell damage in human colon cancer cells through inhibition of reduced glutathione and induction of mitochondria-involved apoptosis
- in-vitro, CRC, HCT116
ROS↑, lipid-P↑, GSH↓, MMP↓, Casp3↑, Apoptosis↑, TumCCA↑,
4411- AgNPs,    Eco-friendly synthesis of silver nanoparticles using Anemone coronaria bulb extract and their potent anticancer and antibacterial activities
- in-vitro, Lung, A549 - in-vitro, PC, MIA PaCa-2 - in-vitro, Pca, PC3 - in-vitro, Nor, HEK293
AntiCan↑, selectivity↑, Apoptosis↑, TumCCA↑, Bacteria↓, tumCV↓, selectivity↑, Apoptosis↑, TumCCA↑,
4417- AgNPs,    Caffeine-boosted silver nanoparticles target breast cancer cells by triggering oxidative stress, inflammation, and apoptotic pathways
- in-vitro, BC, MDA-MB-231
ROS↑, MDA↑, COX2↑, IL1β↑, TNF-α↑, GSH↓, Cyt‑c↑, Casp3↑, BAX↑, Bcl-2↓, LDH↓, cycD1/CCND1↓, CDK2↓, TumCCA↑, mt-Apoptosis↑,
4414- AgNPs,    Silver nanoparticles: Forging a new frontline in lung cancer therapy
- Review, Lung, NA
tumCV↑, ROS↑, MMP↓, TumCCA↑, Apoptosis↑, angioG↓,
4409- AgNPs,    Plant-based synthesis of gold and silver nanoparticles using Artocarpus heterophyllus aqueous leaf extract and its anticancer activities
- in-vitro, BC, MCF-7
tumCV↓, TumCCA↑, cycD1/CCND1↓, COX2↓, HER2/EBBR2↓,
4406- AgNPs,    Silver nanoparticles achieve cytotoxicity against breast cancer by regulating long-chain noncoding RNA XLOC_006390-mediated pathway
- in-vitro, BC, MCF-7 - in-vitro, BC, T47D - in-vitro, BC, MDA-MB-231
TumCD↑, other↓, P53↑, TumCCA↑, Apoptosis↑, ChemoSen↑, tumCV↓, γH2AX↑, SOX4↓,
4542- AgNPs,    Silver Nanoparticles (AgNPs): Comprehensive Insights into Bio/Synthesis, Key Influencing Factors, Multifaceted Applications, and Toxicity─A 2024 Update
- Review, NA, NA
AntiCan↑, DNAdam↑, ATP↓, Apoptosis↑, ROS↓, TumCCA↑, *Bacteria↓, *BMD↑,
4439- AgNPs,    Anticancer Potential of Green Synthesized Silver Nanoparticles Using Extract of Nepeta deflersiana against Human Cervical Cancer Cells (HeLA)
- in-vitro, Cerv, HeLa
ROS↑, lipid-P↑, MMP↓, GSH↓, TumCCA↑, Apoptosis↑, Necroptosis↑, TumCD↑, Dose↝,
4549- AgNPs,    Silver nanoparticles: Synthesis, medical applications and biosafety
- Review, Var, NA - Review, Diabetic, NA
ROS↑, eff↑, other↝, DNAdam↑, EPR↑, eff↑, eff↑, TumMeta↓, angioG↓, *Bacteria↓, *eff↑, *AntiViral↑, *AntiFungal↑, eff↑, eff↑, TumCP↓, tumCV↓, P53↝, HIF-1↓, TumCCA↑, lipid-P↑, ATP↓, Cyt‑c↑, MMPs↓, PI3K↓, Akt↓, *Wound Healing↑, *Inflam↓, *Bone Healing↑, *glucose↓, *AntiDiabetic↑, *BBB↑,
4427- AgNPs,    Silver nanoparticles induce apoptosis and G2/M arrest via PKCζ-dependent signaling in A549 lung cells
- in-vitro, Lung, A549
tumCV↓, LDH↑, TumCCA↑, BAX↑, BID↑, Bcl-2↓, PKCδ↓,
4438- AgNPs,  ART/DHA,    Biogenic synthesis of AgNPs using Artemisia oliveriana extract and their biological activities for an effective treatment of lung cancer
- in-vitro, Lung, A549
EPR↑, BAX↑, Bcl-2↑, Casp3↑, Casp9↑, DNAdam↑, TumCCA↑, Apoptosis↑,
4436- AgNPs,    Silver Nanoparticles (AgNPs) as Enhancers of Everolimus and Radiotherapy Sensitivity on Clear Cell Renal Cell Carcinoma
- in-vitro, Kidney, 786-O
ROS↑, MMP↑, TumCCA↑, TumCP↓, Apoptosis↑, RadioS↑,
4435- AgNPs,  Gluc,    Glucose-Functionalized Silver Nanoparticles as a Potential New Therapy Agent Targeting Hormone-Resistant Prostate Cancer cells
- in-vitro, Pca, PC3 - in-vitro, Pca, LNCaP - in-vitro, Pca, DU145
selectivity↑, ROS↑, mtDam↑, TumCCA↑, TumCP↓, Apoptosis↑, MMP↓,
2288- AgNPs,    Silver Nanoparticle-Mediated Cellular Responses in Various Cell Lines: An in Vitro Model
- Review, Var, NA
*ROS↑, Akt↓, ERK↓, DNAdam↑, Ca+2↑, ROS↑, MMP↓, Cyt‑c↑, TumCCA↑, DNAdam↑, Apoptosis↑, P53↑, p‑ERK↑, ER Stress↑, cl‑ATF6↑, GRP78/BiP↑, CHOP↑, UPR↑,
2836- AgNPs,  Gluc,    Glucose capped silver nanoparticles induce cell cycle arrest in HeLa cells
- in-vitro, Cerv, HeLa
eff↝, TumCCA↑, eff↑, eff↑, ROS↑, GSH↓, SOD↓, lipid-P↑, LDH↑,
393- AgNPs,    Green synthesized plant-based silver nanoparticles: therapeutic prospective for anticancer and antiviral activity
- in-vitro, NA, HCT116
mtDam↑, ROS↑, TumCCA↑, Casp3↑, BAX↑, Bcl-2↓, P53↑,
4380- AgNPs,    Silver nanoparticles induce toxicity in A549 cells via ROS-dependent and ROS-independent pathways
- in-vitro, Lung, A549
ROS↑, tumCV↓, MMP↓, TumCCA↑, PCNA↓, eff↓,
4383- AgNPs,    Exploring the Potentials of Silver Nanoparticles in Overcoming Cisplatin Resistance in Lung Adenocarcinoma: Insights from Proteomic and Xenograft Mice Studies
- in-vitro, Lung, A549 - in-vivo, Lung, A549
Apoptosis↑, VEGF↓, P53↓, TumCCA↑, ROS↑, AntiTum↑, eff↑, ATP↓, eff↑, CTR1↑,
334- AgNPs,    Silver-Based Nanoparticles Induce Apoptosis in Human Colon Cancer Cells Mediated Through P53
- in-vitro, Colon, HCT116
Bax:Bcl2↑, P53↑, P21↑, Casp3↑, Casp8↑, Casp9↑, Akt↓, NF-kB↓, DNAdam↑, TumCCA↑,
386- AgNPs,  Tam,    Synergistic anticancer effects and reduced genotoxicity of silver nanoparticles and tamoxifen in breast cancer cells
- in-vitro, BC, MCF-7 - in-vitro, BC, MDA-MB-231
P53↑, BAX↑, Bcl-2↓, Casp3↑, DNAdam↑, TumCCA↑,
359- AgNPs,    Anti-cancer & anti-metastasis properties of bioorganic-capped silver nanoparticles fabricated from Juniperus chinensis extract against lung cancer cells
- in-vitro, Lung, A549 - in-vitro, Nor, HEK293
Casp3↑, Casp9↑, P53↑, ROS↑, MMP2↓, MMP9↓, TumCCA↑, *toxicity↓, TumCMig↓, TumCI↓,
361- AgNPs,    Annona muricata assisted biogenic synthesis of silver nanoparticles regulates cell cycle arrest in NSCLC cell lines
- in-vitro, Lung, A549
Apoptosis↑, Casp↑, TumCCA↑,
358- AgNPs,    Preparation of triangular silver nanoparticles and their biological effects in the treatment of ovarian cancer
- vitro+vivo, Ovarian, SKOV3
TumCCA↑, ROS↑, Casp3↑, TumCG↓, cycD1/CCND1↓,
356- AgNPs,  MF,    Anticancer and antibacterial potentials induced post short-term exposure to electromagnetic field and silver nanoparticles and related pathological and genetic alterations: in vitro study
- in-vitro, BC, MCF-7 - in-vitro, Bladder, HTB-22
Apoptosis↑, P53↑, iNOS↑, NF-kB↑, Bcl-2↓, ROS↑, SOD↑, TumCCA↑, eff↑, Catalase↑, other↑,

Showing Research Papers: 1 to 29 of 29

* indicates research on normal cells as opposed to diseased cells
Total Research Paper Matches: 29

Pathway results for Effect on Cancer / Diseased Cells:


Redox & Oxidative Stress ⓘ

Catalase↓, 1,   Catalase↑, 1,   GPx4↓, 1,   GSH↓, 4,   lipid-P↑, 5,   MDA↑, 1,   NRF2↑, 1,   ROS↓, 1,   ROS↑, 20,   SOD↓, 2,   SOD↑, 1,  

Mitochondria & Bioenergetics ⓘ

ATP↓, 3,   ETC↓, 1,   MMP↓, 8,   MMP↑, 1,   mtDam↑, 2,  

Core Metabolism/Glycolysis ⓘ

LDH↓, 1,   LDH↑, 2,  

Cell Death ⓘ

Akt↓, 3,   Apoptosis↑, 17,   mt-Apoptosis↑, 1,   BAX↑, 6,   Bax:Bcl2↑, 1,   Bcl-2↓, 5,   Bcl-2↑, 1,   BID↑, 1,   Casp↑, 1,   Casp3↑, 8,   cl‑Casp3↑, 1,   Casp8↑, 1,   Casp9↑, 3,   Cyt‑c↑, 3,   iNOS↑, 1,   Necroptosis↑, 1,   p27↑, 1,   TumCD↑, 2,  

Kinase & Signal Transduction ⓘ

HER2/EBBR2↓, 1,  

Transcription & Epigenetics ⓘ

other↓, 1,   other↑, 1,   other↝, 2,   tumCV↓, 6,   tumCV↑, 1,  

Protein Folding & ER Stress ⓘ

cl‑ATF6↑, 1,   CHOP↑, 1,   ER Stress↑, 2,   GRP78/BiP↑, 1,   UPR↑, 2,  

DNA Damage & Repair ⓘ

DNAdam↑, 9,   P53↓, 1,   P53↑, 7,   P53↝, 1,   p‑PARP↑, 1,   PCNA↓, 1,   γH2AX↑, 1,  

Cell Cycle & Senescence ⓘ

CDK2↓, 1,   cycD1/CCND1↓, 4,   P21↑, 2,   TumCCA↑, 30,  

Proliferation, Differentiation & Cell State ⓘ

ERK↓, 1,   p‑ERK↑, 1,   PI3K↓, 1,   TumCG↓, 1,  

Migration ⓘ

Ca+2↑, 1,   MMP2↓, 1,   MMP9↓, 1,   MMPs↓, 1,   PKCδ↓, 1,   SOX4↓, 1,   TumCI↓, 1,   TumCMig↓, 1,   TumCP↓, 3,   TumMeta↓, 1,  

Angiogenesis & Vasculature ⓘ

angioG↓, 2,   EPR↑, 2,   HIF-1↓, 1,   Hif1a↓, 1,   NO↑, 1,   VEGF↓, 1,  

Barriers & Transport ⓘ

CTR1↑, 1,  

Immune & Inflammatory Signaling ⓘ

COX2↓, 1,   COX2↑, 1,   IL1β↑, 1,   NF-kB↓, 1,   NF-kB↑, 1,   TNF-α↑, 1,  

Drug Metabolism & Resistance ⓘ

ChemoSen↑, 2,   Dose↝, 1,   eff↓, 2,   eff↑, 12,   eff↝, 1,   RadioS↑, 2,   selectivity↑, 6,  

Clinical Biomarkers ⓘ

HER2/EBBR2↓, 1,   LDH↓, 1,   LDH↑, 2,  

Functional Outcomes ⓘ

AntiCan↑, 4,   AntiTum↑, 1,  

Infection & Microbiome ⓘ

Bacteria↓, 1,  
Total Targets: 98

Pathway results for Effect on Normal Cells:


Redox & Oxidative Stress ⓘ

ROS↑, 1,  

Core Metabolism/Glycolysis ⓘ

glucose↓, 1,  

Cell Death ⓘ

JNK↑, 1,  

Protein Folding & ER Stress ⓘ

CHOP↑, 1,   cl‑eIF2α↑, 1,   GRP78/BiP↑, 1,   p‑PERK↑, 1,  

Barriers & Transport ⓘ

BBB↑, 1,  

Immune & Inflammatory Signaling ⓘ

Inflam↓, 1,  

Drug Metabolism & Resistance ⓘ

eff↑, 1,  

Clinical Biomarkers ⓘ

BMD↑, 1,  

Functional Outcomes ⓘ

AntiDiabetic↑, 1,   Bone Healing↑, 1,   toxicity↓, 2,   toxicity↝, 1,   Wound Healing↑, 1,  

Infection & Microbiome ⓘ

AntiFungal↑, 1,   AntiViral↑, 2,   Bacteria↓, 2,  
Total Targets: 19

Scientific Paper Hit Count for: TumCCA, Tumor cell cycle arrest
29 Silver-NanoParticles
2 Glucose
1 Gold NanoParticles
1 Copper and Cu NanoParticles
1 Chemotherapy
1 Photodynamic Therapy
1 Radiotherapy/Radiation
1 Vitamin C (Ascorbic Acid)
1 Artemisinin
1 tamoxifen
1 Magnetic Fields
Query results interpretion may depend on "conditions" listed in the research papers.
Such Conditions may include : 
  -low or high Dose
  -format for product, such as nano of lipid formations
  -different cell line effects
  -synergies with other products 
  -if effect was for normal or cancerous cells

Filter Conditions: Pro/AntiFlg:%  IllCat:%  CanType:%  Cells:%  prod#:153  Target#:322  State#:%  Dir#:2
  wNotes=0  sortOrder:rid,rpid

 

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