Features: micronutrient |
Boron is a trace mineral. Used in treating yeast infections, improving athletic performance, or preventing osteoporosis. Current research suggests that boric acid can modulate intercellular calcium levels—with potential implications for cancer therapy—by: -Altering calcium channel activity and calcium influx, -Modifying downstream calcium-dependent signaling, and -Inducing apoptotic pathways preferentially in cancer cells due to their altered calcium handling dynamics. Abnormal increases in [Ca²⁺]ᵢ can trigger mitochondrial dysfunction and activate calcium-dependent apoptotic pathways. Boric acid has been observed in some cell culture studies to induce apoptosis in cancer cells. In normal cells, modest changes in [Ca²⁺]ᵢ induced by boric acid may not reach a threshold that triggers apoptosis or other stress responses. This could lead to a relative sparing of normal cells compared to cancer cells. Pathways: 1.Calcium Signaling Pathway In many cases, boron appears to normalize dysregulated calcium levels in cancer cells, often leading to an increase in calcium levels that can trigger calcium-dependent apoptotic pathways. 2.Apoptotic Pathways (Intrinsic and Extrinsic). Direction of Modulation: • Boron compounds may enhance the activation of apoptotic cascades. • Typically, an increase in intracellular calcium (as noted above) can further lead to mitochondrial dysfunction, cytochrome c release, and subsequent caspase activation, thereby promoting apoptosis. 3.PI3K/AKT/mTOR Pathway • Some studies indicate that boron-containing compounds can inhibit this pathway. • Inhibition of PI3K/AKT/mTOR signaling reduces survival signals and can decrease cellular proliferation and growth in tumor cell. 4.MAPK/ERK Pathway Boron may modulate the MAPK/ERK cascade by either dampening overactive mitogenic signals or altering the stress response. • This modulation can lead to reduced proliferation signals and may promote cell cycle arrest in cancer cells. 5.NF-κB Signaling Pathway • Some reports indicate that boron compounds can suppress NF-κB activity. • This suppression might be achieved indirectly through modulation of upstream signals (such as changes in calcium or the cellular redox status) leading to decreased transcription of pro-survival and pro-inflammatory genes. 6.Wnt/β-Catenin Pathway • Inhibition of Wnt/β-catenin signaling may interfere with proliferation and the maintenance of cancer stem cell populations. ROS: -ROS induction may be dose related. -Some studies report that when boron compounds are combined with other treatments (like chemotherapy or radiotherapy), there is a synergistic increase in ROS generation. Boron’s effects in a cancer context generally lean toward: • Normalizing dysregulated calcium signaling to push cells toward apoptotic death • Inhibiting pro-survival pathways such as PI3K/AKT/mTOR and NF-κB (1) is essential for the growth and maintenance of bone; (2) greatly improves wound healing; (3) beneficially impacts the body's use of estrogen, testosterone, and vitamin D; (4) boosts magnesium absorption; (5) reduces levels of inflammatory biomarkers, such as high-sensitivity C-reactive protein (hs-CRP) and tumor necrosis factor α (TNF-α); (6) raises levels of antioxidant enzymes, such as superoxide dismutase (SOD), catalase, and glutathione peroxidase; (7) protects against pesticide-induced oxidative stress and heavy-metal toxicity; (8) improves the brains electrical activity, cognitive performance, and short-term memory for elders; (9) influences the formation and activity of key biomolecules, such as S-adenosyl methionine (SAM-e) and nicotinamide adenine dinucleotide (NAD(+)); (10) has demonstrated preventive and therapeutic effects in a number of cancers, such as prostate, cervical, and lung cancers, and multiple and non-Hodgkin's lymphoma; and (11) may help ameliorate the adverse effects of traditional chemotherapeutic agents. -Note half-life 21 hrs average BioAv very high, 85-100% Pathways: - induce ROS productionin cancer cells, while reducing ROS in normal cells. - ROS↑ related: MMP↓(ΔΨm), ER Stress↑, UPR↑, GRP78↑, Ca+2↑,(contrary) Cyt‑c↑, Caspases↑, DNA damage↑, cl-PARP↑,(contrary) HSP↓, - Debateable if Lowers AntiOxidant defense in Cancer Cells: NRF2↓(most contrary), SOD↓(some contrary), GSH↓, Catalase↓(some contrary), HO1↓(contrary), GPx↓(some contrary) - Raises AntiOxidant defense in Normal Cells: ROS↓, NRF2↑, SOD↑, GSH↑, Catalase↑, - lowers Inflammation : NF-kB↓, COX2↓, Pro-Inflammatory Cytokines : NLRP3↓, IL-1β↓, TNF-α↓, IL-6↓, - inhibit Growth/Metastases : TumMeta↓, TumCG↓, EMT↓, IGF-1↓, VEGF↓, RhoA↓, NF-κB↓, TGF-β↓, α-SMA↓, ERK↓ - reactivate genes thereby inhibiting cancer cell growth : HDAC↓, P53↑, HSP↓, - some indication of Cell cycle arrest : TumCCA↑, cyclin D1↓, cyclin E↓, CDK2↓, CDK4↓, CDK6↓, - inhibits Migration/Invasion : TumCMig↓, TumCI↓, TNF-α↓, ERK↓, EMT↓, - small indication of inhibiting glycolysis : HIF-1α↓, cMyc↓, GRP78↑, Glucose↓, - small indication of inhibiting angiogenesis↓ : VEGF↓, HIF-1α↓, EGFR↓, - Others: PI3K↓, AKT↓, JAK↓, STAT↓, Wnt↓, β-catenin↓, AMPK, ERK↓, - SREBP">SREBP (related to cholesterol). - Synergies: chemo-sensitization, chemoProtective, RadioSensitizer, RadioProtective, Others(review target notes), Neuroprotective, Cognitive, Renoprotection, Hepatoprotective, CardioProtective, - Selectivity: Cancer Cells vs Normal Cells |
757- | Bor,  |   | Phenylboronic acid is a more potent inhibitor than boric acid of key signaling networks involved in cancer cell migration |
- | in-vitro, | Pca, | DU145 | - | in-vitro, | Nor, | RWPE-1 |
3502- | Bor,  |   | Plasma boron concentrations in the general population: a cross-sectional analysis of cardio-metabolic and dietary correlates |
- | Review, | NA, | NA |
768- | Bor,  |   | In vitro and in vivo antitumour effects of phenylboronic acid against mouse mammary adenocarcinoma 4T1 and squamous carcinoma SCCVII cells |
- | in-vitro, | BC, | 4T1 |
767- | Bor,  |   | Boric acid induces cytoplasmic stress granule formation, eIF2α phosphorylation, and ATF4 in prostate DU-145 cells |
- | in-vitro, | Pca, | DU145 |
766- | Bor,  |   | In vitro effects of boric acid on human liver hepatoma cell line (HepG2) at the half-maximal inhibitory concentration |
- | in-vitro, | Liver, | HepG2 |
765- | Bor,  |   | High concentrations of boric acid induce autophagy in cancer cell lines |
764- | Bor,  |   | Effect of Tumor Microenvironment on Selective Uptake of Boric Acid in HepG2 Human Hepatoma Cells |
- | in-vitro, | Liver, | HepG2 |
763- | Bor,  |   | Investigation of The Apoptotic and Antiproliferative Effects of Boron on CCL-233 Human Colon Cancer Cells |
- | in-vitro, | Colon, | CCl233 |
762- | Bor,  |   | Mechanism of boric acid cytotoxicity in breast cancer cell lines |
- | in-vitro, | BC, | MCF-7 | - | in-vitro, | BC, | ZR-75-1 |
761- | Bor,  |   | Prevalence of Prostate Cancer in High Boron-Exposed Population: A Community-Based Study |
760- | Bor,  |   | Therapeutic Efficacy of Boric Acid Treatment on Brain Tissue and Cognitive Functions in Rats with Experimental Alzheimer’s Disease |
- | in-vivo, | AD, | NA |
759- | Bor,  |   | The nutritional and metabolic effects of boron in humans and animals |
- | in-vivo, | NA, | NA |
758- | Bor,  |   | Comparative effects of daily and weekly boron supplementation on plasma steroid hormones and proinflammatory cytokines |
- | Human, | NA, | NA |
3503- | Bor,  |   | Chemical disposition of boron in animals and humans |
- | Review, | NA, | NA |
756- | Bor,  |   | Evaluation of Boric Acid Treatment on microRNA‐127‐5p and Metastasis Genes Orchestration of Breast Cancer Stem Cells |
- | in-vitro, | BC, | MCF-7 |
755- | Bor,  |   | https://aacrjournals.org/cancerres/article/67/9_Supplement/4220/535557/Boric-acid-induces-apoptosis-in-both-prostate-and |
- | in-vitro, | Pca, | DU145 | - | in-vitro, | PC, | PC3 |
754- | Bor,  | HRT,  |   | Dietary Boron and Hormone Replacement Therapy as Risk Factors for Lung Cancer in Women |
- | Analysis, | NA, | NA |
753- | Bor,  |   | Boron Intake and decreased risk of mortality in kidney transplant recipients |
752- | Bor,  |   | The Potential Role of Boron in the Modulation of Gut Microbiota Composition: An In Vivo Pilot Study |
751- | Bor,  | 5-FU,  |   | Cytotoxic and Apoptotic Effects of the Combination of Borax (Sodium Tetraborate) and 5-Fluorouracil on DLD-1 Human Colorectal Adenocarcinoma Cell Line |
- | in-vitro, | CRC, | DLD1 |
750- | Bor,  |   | Calcium fructoborate regulate colon cancer (Caco-2) cytotoxicity through modulation of apoptosis |
- | in-vitro, | CRC, | Caco-2 |
749- | Bor,  |   | Comparative effects of boric acid and calcium fructoborate on breast cancer cells |
748- | Bor,  |   | A Study on the Anticarcinogenic Effects of Calcium Fructoborate |
- | in-vitro, | BC, | MDA-MB-231 |
747- | Bor,  |   | Growing Evidence for Human Health Benefits of Boron |
- | Review, | NA, | NA |
746- | Bor,  |   | Organoboronic acids/esters as effective drug and prodrug candidates in cancer treatments: challenge and hope |
- | Review, | NA, | NA |
3515- | Bor,  |   | EVIDENCE THAT BORON DOWN-REGULATES INFLAMMATION THROUGH THE NF-(KAPPA)B PATHWAY |
- | in-vitro, | Nor, | NA |
3527- | Bor,  |   | The potential role of borophene as a radiosensitizer in boron neutron capture therapy (BNCT) and particle therapy (PT) |
- | NA, | Var, | NA |
3525- | Bor,  |   | Synthesis of DNA-Boron Cluster Composites and Assembly into Functional Nanoparticles with Dual, Anti-EGFR, and Anti-c-MYC Oncogene Silencing Activity |
- | in-vitro, | PC, | PANC1 |
3524- | Bor,  |   | Boric Acid Alleviates Lipopolysaccharide-Induced Acute Lung Injury in Mice |
3523- | Bor,  |   | Design, Synthesis, and Biological Activity of Boronic Acid-Based Histone Deacetylase Inhibitors |
- | in-vitro, | Var, | NA |
3522- | Bor,  |   | The Boron Advantage: The Evolution and Diversification of Boron’s Applications in Medicinal Chemistry |
- | Review, | Var, | NA |
3521- | Bor,  |   | A new hope for obesity management: Boron inhibits adipogenesis in progenitor cells through the Wnt/β-catenin pathway |
- | in-vitro, | Obesity, | 3T3 |
3520- | Bor,  |   | Effect of boron element on photoaging in rats |
- | in-vivo, | NA, | NA |
3519- | Bor,  |   | Boron-Based Inhibitors of the NLRP3 Inflammasome |
- | Review, | NA, | NA |
3518- | Bor,  |   | Boron Report |
- | Review, | Var, | NA | - | Review, | AD, | NA |
3517- | Bor,  | Se,  |   | The protective effects of selenium and boron on cyclophosphamide-induced hepatic oxidative stress, inflammation, and apoptosis in rats |
- | in-vivo, | Nor, | NA |
3516- | Bor,  |   | Boron in wound healing: a comprehensive investigation of its diverse mechanisms |
- | Review, | Wounds, | NA |
745- | Bor,  |   | Investigation of cytotoxic antiproliferative and antiapoptotic effects of nanosized boron phosphate filled sodium alginate composite on glioblastoma cancer cells |
- | in-vitro, | GBM, | U87MG | - | in-vitro, | Nor, | L929 | - | in-vitro, | GBM, | T98G |
3514- | Bor,  | CUR,  |   | Effects of Curcumin and Boric Acid Against Neurodegenerative Damage Induced by Amyloid Beta |
- | in-vivo, | AD, | NA |
3513- | Bor,  |   | Boric Acid Activation of eIF2α and Nrf2 Is PERK Dependent: a Mechanism that Explains How Boron Prevents DNA Damage and Enhances Antioxidant Status |
- | in-vitro, | Pca, | DU145 | - | in-vitro, | Nor, | MEF |
3512- | Bor,  |   | Activation of the EIF2α/ATF4 and ATF6 Pathways in DU-145 Cells by Boric Acid at the Concentration Reported in Men at the US Mean Boron Intake |
- | in-vitro, | Pca, | DU145 |
3511- | Bor,  |   | Boron |
- | Review, | NA, | NA |
3510- | Bor,  |   | Boron Affects the Development of the Kidney Through Modulation of Apoptosis, Antioxidant Capacity, and Nrf2 Pathway in the African Ostrich Chicks |
- | in-vivo, | Nor, | NA |
3509- | Bor,  |   | Boron and Prostate Cancer a Model for Understanding Boron Biology |
- | NA, | Pca, | NA |
3508- | Bor,  |   | The Effect of Boron on the UPR in Prostate Cancer Cells is Biphasic |
- | in-vitro, | Pca, | LNCaP | - | in-vitro, | Pca, | DU145 |
3507- | Bor,  |   | Boron inhibits apoptosis in hyperapoptosis condition: Acts by stabilizing the mitochondrial membrane and inhibiting matrix remodeling |
3506- | Bor,  |   | Boron Chemistry for Medical Applications |
- | Review, | NA, | NA |
3505- | Bor,  |   | Mineral requirements for mitochondrial function: A connection to redox balance and cellular differentiation |
- | Review, | NA, | NA |
3504- | Bor,  |   | Boron Contents of German Mineral and Medicinal Waters and Their Bioavailability in Drosophila melanogaster and Humans |
- | Review, | NA, | NA |
708- | Bor,  |   | Boron containing compounds as protease inhibitors |
720- | Bor,  |   | High Concentrations of Boric Acid Trigger Concentration-Dependent Oxidative Stress, Apoptotic Pathways and Morphological Alterations in DU-145 Human Prostate Cancer Cell Line |
- | in-vitro, | Pca, | DU145 |
719- | Bor,  |   | Boric Acid Affects Cell Proliferation, Apoptosis, and Oxidative Stress in ALL Cells |
- | in-vitro, | ALL, | NA |
718- | Bor,  |   | Boric Acid Exhibits Anticancer Properties in Human Endometrial Cancer Ishikawa Cells |
- | in-vitro, | NA, | NA |
717- | Bor,  | PacT,  |   | Boric acid as a protector against paclitaxel genotoxicity |
- | in-vitro, | NA, | NA |
716- | Bor,  |   | Sugar-borate esters--potential chemical agents in prostate cancer chemoprevention |
715- | Bor,  |   | Boron-containing phenoxyacetanilide derivatives as hypoxia-inducible factor (HIF)-1alpha inhibitors |
- | in-vitro, | Pca, | HeLa |
714- | Bor,  |   | Dietary Boron and Hormone Replacement Therapy as Risk Factors for Lung Cancer in Women |
- | Analysis, | NA, | NA |
713- | Bor,  |   | Effects of dietary boron on cervical cytopathology and on micronucleus frequency in exfoliated buccal cells |
- | Analysis, | NA, | NA |
712- | Bor,  |   | Boron concentrations in selected foods from borate-producing regions in Turkey |
- | Analysis, | NA, | NA |
711- | Bor,  |   | Receptor Activated Ca2+ Release Is Inhibited by Boric Acid in Prostate Cancer Cells |
- | in-vitro, | Pca, | DU145 |
710- | Bor,  |   | Boric acid inhibits stored Ca2+ release in DU-145 prostate cancer cells |
- | in-vitro, | Pca, | DU145 |
709- | Bor,  |   | Cellular changes in boric acid-treated DU-145 prostate cancer cells |
- | in-vitro, | Pca, | DU145 |
721- | Bor,  |   | Polymers Based on Phenyl Boric Acid in Tumor-Targeted Therapy |
- | Analysis, | NA, | NA |
707- | Bor,  |   | Cytotoxic and apoptotic effects of boron compounds on leukemia cell line |
- | in-vitro, | AML, | HL-60 |
706- | Bor,  |   | Boron supplementation inhibits the growth and local expression of IGF-1 in human prostate adenocarcinoma (LNCaP) tumors in nude mice |
- | in-vivo, | Pca, | LNCaP |
705- | Bor,  |   | Boric acid inhibits human prostate cancer cell proliferation |
- | in-vitro, | Pca, | DU145 | - | in-vitro, | Pca, | LNCaP |
704- | Bor,  |   | Inhibition of the enzymatic activity of prostate-specific antigen by boric acid and 3-nitrophenyl boronic acid |
- | in-vitro, | Pca, | NA |
703- | Bor,  |   | Boron intake and prostate cancer risk |
- | Analysis, | NA, | NA |
702- | Bor,  | GEN,  | SeMet,  | Rad,  |   | Evaluation of ecological and in vitro effects of boron on prostate cancer risk (United States) |
- | Analysis, | NA, | NA |
701- | Bor,  |   | Dietary boron intake and prostate cancer risk |
- | Analysis, | NA, | NA |
700- | Bor,  |   | Diadenosine phosphates and S-adenosylmethionine: novel boron binding biomolecules detected by capillary electrophoresis |
- | Analysis, | NA, | NA |
699- | Bor,  |   | Boric Acid Alleviates Gastric Ulcer by Regulating Oxidative Stress and Inflammation-Related Multiple Signaling Pathways |
- | in-vivo, | NA, | NA |
698- | Bor,  |   | Boron deprivation decreases liver S-adenosylmethionine and spermidine and increases plasma homocysteine and cysteine in rats |
- | in-vitro, | NA, | NA |
697- | Bor,  |   | Boron-containing compounds as preventive and chemotherapeutic agents for cancer |
- | Review, | NA, | NA |
733- | Bor,  |   | The analysis of boric acid effect on epithelial-mesenchymal transition of CD133 + CD117 + lung cancer stem cells |
- | in-vitro, | Lung, | NA |
744- | Bor,  |   | Borax affects cellular viability by inducing ER stress in hepatocellular carcinoma cells by targeting SLC12A5 |
- | in-vitro, | HCC, | HepG2 | - | in-vitro, | Nor, | HL7702 |
743- | Bor,  |   | Boric Acid (Boron) Attenuates AOM-Induced Colorectal Cancer in Rats by Augmentation of Apoptotic and Antioxidant Mechanisms |
- | in-vitro, | CRC, | NA |
742- | Bor,  |   | In Vitro Effects of Boric Acid on Cell Cycle, Apoptosis, and miRNAs in Medullary Thyroid Cancer Cells |
- | in-vitro, | Thyroid, | NA |
741- | Bor,  |   | Boron Derivatives Inhibit the Proliferation of Breast Cancer Cells and Affect Tumor-Specific T Cell Activity In Vitro by Distinct Mechanisms |
- | in-vitro, | BC, | MCF-7 | - | in-vitro, | BC, | MDA-MB-231 |
740- | Bor,  |   | Anti-cancer effect of boron derivatives on small-cell lung cancer |
- | in-vitro, | Lung, | DMS114 | - | in-vitro, | Nor, | MRC-5 |
739- | Bor,  |   | Borax regulates iron chaperone- and autophagy-mediated ferroptosis pathway in glioblastoma cells |
- | in-vitro, | GBM, | U87MG | - | in-vitro, | Nor, | HMC3 |
738- | Bor,  |   | Borax induces ferroptosis of glioblastoma by targeting HSPA5/NRF2/GPx4/GSH pathways |
- | in-vitro, | GBM, | U251 | - | in-vitro, | GBM, | A172 | - | in-vitro, | Nor, | SVGp12 |
737- | Bor,  |   | Boric Acid Activation of eIF2α and Nrf2 Is PERK Dependent: a Mechanism that Explains How Boron Prevents DNA Damage and Enhances Antioxidant Statu |
- | in-vitro, | Pca, | DU145 |
736- | Bor,  |   | Evaluation of Boric Acid Treatment on microRNA-127-5p and Metastasis Genes Orchestration of Breast Cancer Stem Cells |
- | in-vitro, | BC, | MCF-7 |
735- | Bor,  |   | Boric Acid Alters the Expression of DNA Double Break Repair Genes in MCF-7-Derived Breast Cancer Stem Cells |
- | in-vitro, | BC, | NA |
734- | Bor,  |   | Boric Acid Affects the Expression of DNA Double-Strand Break Repair Factors in A549 Cells and A549 Cancer Stem Cells: An In Vitro Study |
- | in-vitro, | Lung, | A549 |
696- | Bor,  |   | Nothing Boring About Boron |
- | Review, | Var, | NA |
732- | Bor,  |   | Boron's neurophysiological effects and tumoricidal activity on glioblastoma cells with implications for clinical treatment |
- | in-vitro, | Nor, | HEK293 |
- | in-vivo, | NA, | NA |
729- | Bor,  |   | Promising potential of boron compounds against Glioblastoma: In Vitro antioxidant, anti-inflammatory and anticancer studies |
- | in-vitro, | GBM, | U87MG | - | in-vivo, | Nor, | HaCaT |
728- | Bor,  |   | Boric Acid and Borax Protect Human Lymphocytes from Oxidative Stress and Genotoxicity Induced by 3-Monochloropropane-1,2-diol |
727- | Bor,  | RSL3,  | erastin,  |   | Enhancement of ferroptosis by boric acid and its potential use as chemosensitizer in anticancer chemotherapy |
- | in-vitro, | Liver, | HepG2 |
726- | Bor,  |   | Redox Mechanisms Underlying the Cytostatic Effects of Boric Acid on Cancer Cells—An Issue Still Open |
- | Review, | NA, | NA |
725- | Bor,  |   | Boric acid exert anti-cancer effect in poorly differentiated hepatocellular carcinoma cells via inhibition of AKT signaling pathway |
- | in-vitro, | HCC, | NA |
724- | Bor,  |   | Does Boric Acid Inhibit Cell Proliferation on MCF-7 and MDA-MB-231 Cells in Monolayer and Spheroid Cultures by Using Apoptosis Pathways? |
- | in-vitro, | BC, | MDA-MB-231 | - | in-vitro, | BC, | MCF-7 |
723- | Bor,  |   | Boric acid suppresses cell proliferation by TNF signaling pathway mediated apoptosis in SW-480 human colon cancer line |
- | in-vitro, | Colon, | SW480 |
722- | Bor,  |   | Boric acid as a promising agent in the treatment of ovarian cancer: Molecular mechanisms |
- | in-vitro, | Ovarian, | MDAH-2774 |
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