Ashwagandha(Withaferin A) / TumCP Cancer Research Results

Ash, Ashwagandha(Withaferin A): Click to Expand ⟱
Features:

Ashwagandha (Withaferin A) — Withaferin A (WA; WFA) is a bioactive steroidal lactone (a “withanolide”) found in Withania somnifera (ashwagandha/Indian ginseng), with most translational oncology discussion centered on WA as a small-molecule electrophile rather than the whole-herb supplement. It is best classified as a natural-product small molecule (steroidal lactone/withanolide) with pleiotropic proteostasis, cytoskeletal, redox-stress, and inflammatory signaling effects; in supplements, WA exposure depends strongly on extract standardization (root vs leaf, % withanolides) and formulation.

Primary mechanisms (ranked):

  1. Hsp90-axis disruption (incl. client protein destabilization) leading to proteostasis stress and multi-client oncoprotein depletion
  2. Covalent targeting of intermediate filaments (notably vimentin) with downstream effects on adhesion/migration, EMT programs, and angiogenic endothelium
  3. Pro-oxidative stress signaling in cancer cells with mitochondrial dysfunction, ER stress/UPR engagement, and apoptosis execution
  4. Inflammation and survival signaling suppression (notably NF-κB-centric programs; context-dependent immune modulation)
  5. Contextual transcriptional/epigenetic modulation (e.g., HDAC/DNMT-related signals) contributing to anti-proliferative phenotypes
  6. Metabolic stress signaling (glycolysis/HIF-1α/ATP depletion) as a secondary vulnerability in susceptible models

Bioavailability / PK relevance: WA shows measurable systemic exposure in animals (reported oral bioavailability in rats), but PK is variable across species, doses, and extract matrices; human exposure data exist from a phase I osteosarcoma study and from healthy-volunteer PK work on standardized Withania extracts measuring circulating withanolides (including WA). WA is lipophilic and subject to first-pass metabolism; typical pharmacodynamic in-vitro micromolar concentrations may exceed achievable unbound plasma levels depending on formulation and dosing.

In-vitro vs systemic exposure relevance: Many mechanistic cancer studies use ~1–10 µM WA; translation requires caution because free (unbound) systemic concentrations and tumor penetration are not well-constrained in humans, and whole-extract products can have low/variable WA content (model- and formulation-dependent).

Clinical evidence status: Limited human oncology evidence: a phase I study in advanced high-grade osteosarcoma reported feasibility/safety and proposed a daily dose level; an active clinical trial evaluates an ashwagandha/withaferin-A strategy with liposomal doxorubicin in recurrent ovarian cancer. Most anticancer support remains preclinical, while non-oncology human data for ashwagandha primarily address stress/sleep and are not evidence of anticancer efficacy.

The main active constituents of Ashwagandha leaves are alkaloids and steroidal lactones (commonly known as Withanolides).
-The main constituents of ashwagandha are withanolides such as withaferin A, alkaloids, steroidal lactones, tropine, and cuscohygrine.
Ashwagandha is an herb that may reduce stress, anxiety, and insomnia.
*-Ashwagandha is often characterized as an antioxidant.
-Some studies suggest that while ashwagandha may protect normal cells from oxidative damage, it can simultaneously stress cancer cells by tipping their redox balance toward cytotoxicity.
Pathways:
-Induction of Apoptosis and ROS Generation
-Hsp90 Inhibition and Proteasomal Degradation

Cell culture studies vary widely, typically ranging from low micromolar (e.g., 1–10 µM).
In animal models (commonly mice), Withaferin A has been administered in doses ranging from approximately 2 to 10 mg/kg body weight.
- General wellness, Ashwagandha supplements are sometimes taken in doses ranging from 300 mg to 600 mg of an extract (often standardized to contain a certain percentage of withanolides) once or twice daily.
- 400mg of WS extract was given 3X/day to schizophrenia patients. report#2001.
- Ashwagandha Pure 400mg/capsule is available from mcsformulas.com.

-Note half-life 4-6 hrs?.
BioAv
Pathways:
- well-recognized for promoting ROS in cancer cells, while no effect(or reduction) on normal cells.
- ROS↑ related: MMP↓(ΔΨm), ER Stress↑, UPR↑, GRP78↑, Cyt‑c↑, Caspases↑, DNA damage↑, cl-PARP↑, HSP↓, Prx,
- Confusing results about Lowering AntiOxidant defense in Cancer Cells: NRF2↓, TrxR↓**, SOD↓, GSH↓ Catalase↓ HO1↓ GPx↓
- Raises AntiOxidant defense in Normal Cells: ROS↓, NRF2↑, SOD↑, GSH↑, Catalase↑,
- lowers Inflammation : NF-kB↓, COX2↓, p38↓, Pro-Inflammatory Cytokines : NLRP3↓, IL-1β↓, TNF-α↓, IL-6↓, IL-8↓
- inhibit Growth/Metastases : TumMeta↓, TumCG↓, EMT↓, MMPs↓, MMP2↓, MMP9↓, TIMP2, uPA↓, VEGF↓, ROCK1↓, NF-κB↓, CXCR4↓, SDF1↓, TGF-β↓, α-SMA↓, ERK↓
- reactivate genes thereby inhibiting cancer cell growth : HDAC↓(combined with sulfor), DNMT1↓, DNMT3A↓, P53↑, HSP↓, Sp proteins↓, TET↑
- cause Cell cycle arrest : TumCCA↑, cyclin E↓, CDK2↓, CDK4↓,
- inhibits Migration/Invasion : TumCMig↓, TumCI↓, TNF-α↓, ERK↓, EMT↓, TOP1↓,
- inhibits glycolysis /Warburg Effect and ATP depletion : HIF-1α↓, PKM2↓, cMyc↓, GLUT1↓, LDH↓, LDHA↓, HK2↓, OXPHOS↓, GRP78↑, GlucoseCon↓
- inhibits angiogenesis↓ : VEGF↓, HIF-1α↓, Notch↓, PDGF↓, EGFR↓, Integrins↓,
- inhibits Cancer Stem Cells : CSC↓, β-catenin↓, sox2↓,
- Others: PI3K↓, AKT↓, JAK↓, STAT↓, Wnt↓, β-catenin↓, AMPK, α↓, ERK↓, JNK,
- Synergies: chemo-sensitization, chemoProtective, RadioSensitizer, RadioProtective, Others(review target notes), Neuroprotective, Cognitive, Renoprotection, Hepatoprotective, CardioProtective,

- Selectivity: Cancer Cells vs Normal Cells

Mechanistic pathway map for Ashwagandha (Withaferin A) in cancer biology

Rank Pathway / Axis Cancer Cells Normal Cells TSF Primary Effect Notes / Interpretation
1 Hsp90 proteostasis axis Hsp90 functional inhibition → client proteins ↓ (Akt/EGFR/HER2/Raf/Cdk etc.) → growth/survival signaling ↓ Stress-response engagement possible; tolerability is dose/formulation dependent R Multi-node oncogenic network destabilization Often presented as ATP-independent Hsp90 inhibition with downstream proteasomal degradation of clients; mechanistically central because it collapses multiple driver pathways at once.
2 Vimentin and intermediate filament remodeling Vimentin function/organization ↓ → migration/invasion ↓, EMT programs ↓ (context-dependent) Endothelial and stromal cytoskeleton can be affected; may underlie anti-angiogenic activity P Anti-motility / anti-metastatic leverage WA behaves as a reactive small molecule with reported covalent interaction with vimentin; cytoskeletal perturbation can be rapid and not strictly transcription-driven.
3 Mitochondrial ROS increase ROS ↑ → ΔΨm ↓, cyt-c ↑, caspase cascade ↑ → apoptosis ↑ Often ROS ↔ or ↓ with antioxidant response ↑ (model-dependent) P/R Selective redox toxicity in susceptible tumors Frequently paired with ER stress/UPR activation; selectivity is commonly framed as “push cancer over its redox limit,” but this is highly dose- and context-dependent.
4 ER stress and UPR axis ER stress ↑, UPR ↑ → proteotoxic stress → apoptosis/autophagy shifts (model-dependent) Adaptive UPR may occur; excessive dosing can stress normal tissues R Proteotoxic stress amplification Mechanistically synergistic with Hsp90 disruption and ROS signaling; can manifest as GRP78/BiP and related markers ↑ in some systems.
5 NF-κB inflammatory survival signaling NF-κB ↓ → cytokine/pro-survival programs ↓, invasion-associated signaling ↓ Anti-inflammatory signaling ↓ may be beneficial in some contexts; immune effects can be mixed G Survival/inflammation program suppression Often aligned with COX-2 and inflammasome-related readouts in inflammatory models; oncology relevance is strongest where NF-κB is a core survival node.
6 EMT and metastasis signaling EMT ↓, MMPs ↓, uPA ↓, CXCR4/SDF1 axis ↓ (model-dependent) Wound-healing programs can be affected (context-dependent) G Anti-invasive phenotype Partly downstream of cytoskeletal (vimentin) effects and NF-κB/TGF-β-linked programs; directionality can vary by tumor lineage and assay.
7 Glycolysis and HIF-1α HIF-1α ↓, glycolysis flux ↓, ATP ↓ (susceptible models) Usually ↔ at low exposure; metabolic stress possible at higher exposure G Metabolic vulnerability unmasking Often secondary to upstream stress (ROS/proteostasis) rather than a primary enzymatic inhibitor; interpret as (context-dependent).
8 Cell cycle checkpoint control Cell-cycle arrest ↑ (often G2/M reported), CDK/cyclin signaling ↓ Proliferating normal cells may also be sensitive at higher exposure G Anti-proliferative enforcement Common phenotype readout across WA studies; mechanistic “why” may differ by model (proteostasis vs ROS vs mitotic machinery/cytoskeleton).
9 NRF2 and antioxidant defense NRF2 ↓ and antioxidant enzymes ↓ reported in some cancer models; sometimes mixed ↔ NRF2 ↑ and antioxidant enzymes ↑ reported in some normal-tissue protection contexts G Redox buffering divergence Highly model-dependent; WA can behave as a stressor that either suppresses or activates NRF2-linked programs depending on timing, dose, and baseline redox state.
10 Clinical Translation Constraint Micromolar in-vitro dosing common; human oncology exposure/target engagement remains sparsely defined Supplement heterogeneity (WA content), drug-interaction risk, and organ-specific toxicity signals (notably liver; thyroid) constrain use — Formulation + PK + safety gating Human data exist (phase I osteosarcoma; ongoing ovarian combo), but WA is not an approved anticancer drug and standardized products/target engagement biomarkers are not yet mature.

TSF legend: P: 0–30 min    R: 30 min–3 hr    G: >3 hr
TumCP, Tumor Cell proliferation: Click to Expand ⟱
Source:
Type:
Tumor cell proliferation is a key characteristic of cancer. It refers to the rapid and uncontrolled growth of cells that can lead to the formation of tumors.
Scientific Papers found: Click to Expand⟱
3174- Ash,    Withaferin A Acts as a Novel Regulator of Liver X Receptor-α in HCC
- in-vitro, HCC, HepG2 - in-vitro, HCC, Hep3B - in-vitro, HCC, HUH7
NF-kB↓, angioG↓, Inflam↓, TumCP↓, TumCMig↓, TumCI↓, Sp1/3/4↓, VEGF↓, angioG↓, uPA↓, PDGF↓, MCP1↓, ICAM-1↓, *NRF2↑, *hepatoP↑,
3172- Ash,    Implications of Withaferin A for the metastatic potential and drug resistance in hepatocellular carcinoma cells via Nrf2-mediated EMT and ferroptosis
- in-vitro, HCC, HepG2 - in-vitro, Nor, HL7702
Keap1↑, NRF2↓, EMT↓, TumCP↓, TumCI↓, selectivity↑, *toxicity↓, ROS↑, MDA↑, GSH↓, Ferroptosis↑,
3167- Ash,    Withaferin A Inhibits the Proteasome Activity in Mesothelioma In Vitro and In Vivo
- in-vitro, MM, H226
TumCP↓, cMyc↓, cFos↓, cJun↓, TIMP2↑, Vim↓, ROS↑, BAX↑, IKKα↑, Casp3↑, cl‑PARP↑,
5395- Ash,    Withaferin A Targets Heat Shock Protein 90 in Pancreatic Cancer Cells
- vitro+vivo, PC, PANC1 - in-vitro, PC, MIA PaCa-2
TumCP↓, HSP90↓, Akt↓, CDK4↓, TumCG↓, Apoptosis↑, AntiCan↑,
5174- Ash,    Withaferin A is a potent inhibitor of angiogenesis
- in-vitro, Nor, HUVECs
Inflam↓, *TumCP↓, cycD1/CCND1↓, NF-kB↓, angioG↓,
5172- Ash,    Withaferin-A suppress AKT induced tumor growth in colorectal cancer cells
Akt↓, TumCP↓, TumCMig↓, TumCI↓, EMT↓, Snail↓, Slug↓, β-catenin/ZEB1↓, Vim↓, angioG↓,
1358- Ash,    Withaferin A: A Dietary Supplement with Promising Potential as an Anti-Tumor Therapeutic for Cancer Treatment - Pharmacology and Mechanisms
- Review, Var, NA
TumCCA↑, Apoptosis↑, TumAuto↑, Ferroptosis↑, TumCP↓, CSCs↓, TumMeta↓, EMT↓, angioG↓, Vim↓, HSP90↓, annexin II↓, m-FAM72A↓, BCR-ABL↓, Mortalin↓, NRF2↓, cMYB↓, ROS↑, ChemoSen↑, eff↑, ChemoSen↑, ChemoSen↑, eff↑, *BioAv↓, ROCK1↓, TumCI↓, Sp1/3/4↓, VEGF↓, Hif1a↓, EGFR↓,
1357- Ash,    Cytotoxicity of withaferin A in glioblastomas involves induction of an oxidative stress-mediated heat shock response while altering Akt/mTOR and MAPK signaling pathways
- in-vitro, GBM, U87MG - in-vitro, GBM, U251 - in-vitro, GBM, GL26
TumCP↓, TumCCA↑, Akt↓, mTOR↓, p70S6↓, p85S6K↓, AMPKα↑, TSC2↑, HSP70/HSPA5↑, HO-1↑, HSF1↓, Apoptosis↑, ROS↑, eff↓,
1179- Ash,    Withaferin-A Inhibits Colon Cancer Cell Growth by Blocking STAT3 Transcriptional Activity
- in-vitro, CRC, HCT116 - in-vivo, NA, NA
TumCP↓, TumCMig↓, STAT3↓, TumVol↓, TumW↓,
1173- Ash,    Withaferin A inhibits proliferation of human endometrial cancer cells via transforming growth factor-β (TGF-β) signalling
- in-vitro, EC, K1 - in-vitro, Nor, THESCs
TumCP↓, *toxicity↓, Apoptosis↑, TumCCA↑, TumCMig↓, TumCI↓, p‑SMAD2↓, TGF-β↓, *toxicity↓,
2002- Ash,    Ancient medicine, modern use: Withania somnifera and its potential role in integrative oncology
- Review, Var, NA
antiOx↑, Inflam↓, TumCP↓, OS↑, RadioS↑, radioP↑, chemoP↑,

Showing Research Papers: 1 to 11 of 11

* indicates research on normal cells as opposed to diseased cells
Total Research Paper Matches: 11

Pathway results for Effect on Cancer / Diseased Cells:


Redox & Oxidative Stress ⓘ

antiOx↑, 1,   Ferroptosis↑, 2,   GSH↓, 1,   HO-1↑, 1,   Keap1↑, 1,   MDA↑, 1,   NRF2↓, 2,   ROS↑, 4,  

Mitochondria & Bioenergetics ⓘ

BCR-ABL↓, 1,   Mortalin↓, 1,  

Core Metabolism/Glycolysis ⓘ

cMyc↓, 1,  

Cell Death ⓘ

Akt↓, 3,   Apoptosis↑, 4,   BAX↑, 1,   Casp3↑, 1,   Ferroptosis↑, 2,  

Kinase & Signal Transduction ⓘ

AMPKα↑, 1,   p70S6↓, 1,   Sp1/3/4↓, 2,   TSC2↑, 1,  

Transcription & Epigenetics ⓘ

cJun↓, 1,  

Protein Folding & ER Stress ⓘ

HSF1↓, 1,   HSP70/HSPA5↑, 1,   HSP90↓, 2,  

Autophagy & Lysosomes ⓘ

TumAuto↑, 1,  

DNA Damage & Repair ⓘ

m-FAM72A↓, 1,   cl‑PARP↑, 1,  

Cell Cycle & Senescence ⓘ

CDK4↓, 1,   cycD1/CCND1↓, 1,   TumCCA↑, 3,  

Proliferation, Differentiation & Cell State ⓘ

cFos↓, 1,   cMYB↓, 1,   CSCs↓, 1,   EMT↓, 3,   mTOR↓, 1,   p85S6K↓, 1,   STAT3↓, 1,   TumCG↓, 1,  

Migration ⓘ

annexin II↓, 1,   PDGF↓, 1,   ROCK1↓, 1,   Slug↓, 1,   p‑SMAD2↓, 1,   Snail↓, 1,   TGF-β↓, 1,   TIMP2↑, 1,   TumCI↓, 5,   TumCMig↓, 4,   TumCP↓, 10,   TumMeta↓, 1,   uPA↓, 1,   Vim↓, 3,   β-catenin/ZEB1↓, 1,  

Angiogenesis & Vasculature ⓘ

angioG↓, 5,   EGFR↓, 1,   Hif1a↓, 1,   VEGF↓, 2,  

Immune & Inflammatory Signaling ⓘ

ICAM-1↓, 1,   IKKα↑, 1,   Inflam↓, 3,   MCP1↓, 1,   NF-kB↓, 2,  

Drug Metabolism & Resistance ⓘ

ChemoSen↑, 3,   eff↓, 1,   eff↑, 2,   RadioS↑, 1,   selectivity↑, 1,  

Clinical Biomarkers ⓘ

EGFR↓, 1,  

Functional Outcomes ⓘ

AntiCan↑, 1,   chemoP↑, 1,   OS↑, 1,   radioP↑, 1,   TumVol↓, 1,   TumW↓, 1,  
Total Targets: 74

Pathway results for Effect on Normal Cells:


Redox & Oxidative Stress ⓘ

NRF2↑, 1,  

Migration ⓘ

TumCP↓, 1,  

Drug Metabolism & Resistance ⓘ

BioAv↓, 1,  

Functional Outcomes ⓘ

hepatoP↑, 1,   toxicity↓, 3,  
Total Targets: 5

Scientific Paper Hit Count for: TumCP, Tumor Cell proliferation
11 Ashwagandha(Withaferin A)
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#:36  Target#:327  State#:%  Dir#:1
  wNotes=0  sortOrder:rid,rpid

 

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