Database Query Results : Ashwagandha(Withaferin A), , cognitive

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
cognitive, cognitive: Click to Expand ⟱
Source:
Type:
Cognitive


Scientific Papers found: Click to Expand⟱
3675- Ash,    Ashwagandha (Withania somnifera) Reverses β-Amyloid1-42 Induced Toxicity in Human Neuronal Cells: Implications in HIV-Associated Neurocognitive Disorders (HAND)
*memory↑, widely in Ayurvedic medicine as a nerve tonic and memory enhancer.
*neuroP↑, neuroprotective effect of WS root extract against β-amyloid and HIV-1Ba-L (clade B) induced neuro-pathogenesis.
*Aβ↓, Withania somnifera consisting predominantly of withanolides and withanosides reversed behavioral deficits, plaque pathology, accumulation of β-amyloid peptides (Aβ)
*LDH↓, Ashwagandha treatment showed protective effects against the cytotoxicity as the levels of LDH leakage in Ashwagandha plus β-amyloid treated cultures were comparable with controls
*PPARγ↑, decreased PPARγ protein levels in β-amyloid treated and its reversal by Ashwagandha in SK-N-MC neuronal cells.
*cognitive↑, traditional medicine for cognitive and other HIV associated neurodegenerative disorders.

3673- Ash,    An overview on ashwagandha: a Rasayana (rejuvenator) of Ayurveda
- Review, NA, NA
*cognitive↑, Cognition Promoting Effect
*Inflam↓, anti-inflammatory and anti-arthritic
*Strength↑, swimming time was approximately doubled after Withania somnifera (WS) treatment
*VitC↑, Withania somnifera treatment prevents, decrease of adrenal cortisol and ascorbic acid which occurs due to swimming stress.
*memory↑, It is useful for different types of diseases like Parkinson, dementia, memory loss, stress induced diseases, malignoma and others.

3668- Ash,    Withania somnifera reverses Alzheimer's disease pathology by enhancing low-density lipoprotein receptor-related protein in liver
- NA, AD, NA
*Aβ↓, withanosides reversed behavioral deficits, plaque pathology, accumulation of β-amyloid peptides (Aβ) and oligomers in the brains of middle-aged and old APP/PS1 Alzheimer's disease transgenic mice.
*cognitive↑,

4303- Ash,    Ashwagandha (Withania somnifera)—Current Research on the Health-Promoting Activities: A Narrative Review
- Review, AD, NA
*neuroP↑, neuroprotective, sedative and adaptogenic effects and effects on sleep.
*Sleep↑,
*Inflam↓, anti-inflammatory, antimicrobial, cardioprotective and anti-diabetic properties
*cardioP↑,
*cognitive↑, Significant improvements in cognitive function were observed as a result of the inhibition of amyloid β-42, and a reduction in pro-inflammatory cytokines TNF-α, IL-1β, IL-6, and MCP-1, nitric oxide, and lipid peroxidation was also observed.
*Aβ↓,
*TNF-α↓,
*IL1β↓,
*IL6↓,
*MCP1↓,
*lipid-P↓,
*tau↓, reducing β-amyloid aggregation and inhibiting τ protein accumulation.
*ROS↓, withaferin A is responsible for inhibiting oxidative and pro-inflammatory chemicals and regulating heat shock proteins (HSPs), the expression of which increases when cells are exposed to stressors.
*BBB↑, ability of withanolide A to penetrate the blood-brain barrier (BBB) was demonstrated.
*AChE↓, potentially inhibiting acetylcholinesterase activity, which may have benefits in the treatment of canine cognitive dysfunction and Alzheimer’s disease
*GSH↑, increased glutathione concentration, increased glutathione S-transferase, glutathione reductase, glutathione peroxidase, superoxide dismutase and catalase activities,
*GSTs↑,
*GSR↑,
*GPx↑,
*SOD↑,
*Catalase↑,
ChemoSen↑, combination of Ashwagandha extract and intermittent fasting has potential as an effective breast cancer treatment that may be used in conjunction with cisplatin
*Strength↑, combination of Ashwagandha extract and intermittent fasting has potential as an effective breast cancer treatment that may be used in conjunction with cisplatin

3687- Ash,    Role of Withaferin A and Its Derivatives in the Management of Alzheimer’s Disease: Recent Trends and Future Perspectives
- Review, AD, NA
*Aβ↓, neuroprotective potential of WA is mediated by reduction of beta-amyloid plaque aggregation, tau protein accumulation, regulation of heat shock proteins, and inhibition of oxidative and inflammatory constituents.
*tau↓,
*HSPs↝, WA inhibited Hsp90 [127] and induced Hsp 27 and Hsp70 expressions
*antiOx↑,
*ROS↓,
*Inflam↓,
*neuroP↑, confirming WA’s neuroprotective potency against AD.
*cognitive↑, In an AD model, cognitive defects induced by ibotenic acid that was significantly reversed by WA isolated from Ashwagandha root
*NF-kB↓, inhibited nuclear factor NF-κB activation
*HO-1↑, WA also increased the neuro-protective protein heme oxygenase-1, which is beneficial to AD prevention
*memory↑, WA additionally enhances memory [133], prevents Aβ production, reconstructs synapses, and regenerates axons
*AChE↓, WA Inhibits AChE and BuChE Activities
*BChE↓,
*ChAT↑, WA has an important role in AD by reversing the reduction in cholinergic markers such as choline acetyltransferase (ChAT) and acetylcholine
*Ach↑, WA increased the level of ACh, the amount of choline acetyltransferase (ChAT)

3685- Ash,    Withania somnifera as a Potential Anxiolytic and Anti-inflammatory Candidate Against Systemic Lipopolysaccharide-Induced Neuroinflammation
- in-vivo, NA, NA
*TNF-α↓, Suppression of reactive gliosis, inflammatory cytokines production like TNF-α, IL-1β, IL-6, and expression of nitro-oxidative stress enzymes like iNOS, COX2, NOX2 etc were observed in ASH-WEX-treated animals.
*IL1β↓,
*IL6↓,
*iNOS↓,
*COX2↓,
*NOX↓,
*cognitive↑, ameliorates associated behavioral abnormalities
*Inflam↓,
*NF-kB↓, ASH-WEX-Mediated Inhibition of NFkB Pathway

3159- Ash,    Neuroprotective effects of Withania somnifera in the SH-SY5Y Parkinson cell model
- in-vitro, Park, SH-SY5Y
*neuroP↑, Neuroprotective effects of Withania somnifera
*Inflam↓, including inflammation and oxidative stress reduction, memory and cognitive function improvement.
*ROS↓,
*cognitive↑,
*memory↑,
*GPx↑, significantly increased glutathione peroxidase activity
*Prx↓, KSM-66, had peroxiredoxin-1 and VGF levels significantly lower than the untreated control
*ATP↑, rescue of mitochondria with 0.5 mg/ml KSM-66 extract showed an increase in ATP levels.
*Vim↓, Pre-treatment with KSM-66 decreased level of vimentin
*mtDam↓, KSM-66 attenuates 6-OHDA-induced mitochondrial dysfunction in SH-SY5Y cells


* indicates research on normal cells as opposed to diseased cells
Total Research Paper Matches: 7

Pathway results for Effect on Cancer / Diseased Cells:


Drug Metabolism & Resistance ⓘ

ChemoSen↑, 1,  
Total Targets: 1

Pathway results for Effect on Normal Cells:


Redox & Oxidative Stress ⓘ

antiOx↑, 1,   Catalase↑, 1,   GPx↑, 2,   GSH↑, 1,   GSR↑, 1,   GSTs↑, 1,   HO-1↑, 1,   lipid-P↓, 1,   Prx↓, 1,   ROS↓, 3,   SOD↑, 1,   VitC↑, 1,  

Mitochondria & Bioenergetics ⓘ

ATP↑, 1,   mtDam↓, 1,  

Core Metabolism/Glycolysis ⓘ

LDH↓, 1,   PPARγ↑, 1,  

Cell Death ⓘ

iNOS↓, 1,  

Transcription & Epigenetics ⓘ

Ach↑, 1,  

Protein Folding & ER Stress ⓘ

HSPs↝, 1,  

Migration ⓘ

Vim↓, 1,  

Barriers & Transport ⓘ

BBB↑, 1,  

Immune & Inflammatory Signaling ⓘ

COX2↓, 1,   IL1β↓, 2,   IL6↓, 2,   Inflam↓, 5,   MCP1↓, 1,   NF-kB↓, 2,   TNF-α↓, 2,  

Cellular Microenvironment ⓘ

NOX↓, 1,  

Synaptic & Neurotransmission ⓘ

AChE↓, 2,   BChE↓, 1,   ChAT↑, 1,   tau↓, 2,  

Protein Aggregation ⓘ

Aβ↓, 4,  

Clinical Biomarkers ⓘ

IL6↓, 2,   LDH↓, 1,  

Functional Outcomes ⓘ

cardioP↑, 1,   cognitive↑, 7,   memory↑, 4,   neuroP↑, 4,   Sleep↑, 1,   Strength↑, 2,  
Total Targets: 42

Scientific Paper Hit Count for: cognitive, cognitive
7 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

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