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| Astragalus — Astragalus (AG; typically Astragalus membranaceus root, “Huangqi”) is a traditional botanical immunomodulator composed of multiple bioactive fractions, notably astragaloside IV (AS-IV; triterpenoid saponin), Astragalus polysaccharides (APS; high–molecular-weight glycans), and flavonoids. It is best classified as a multi-constituent herbal drug (botanical) whose dominant functional identity is immune regulation with secondary inflammation- and stress-response tuning. Common abbreviations include AG, AS-IV, and APS. In oncology contexts it is most often positioned as adjunct/supportive care rather than a validated standalone anticancer agent. Primary mechanisms (ranked):
Bioavailability / PK relevance: Constituent-dependent. AS-IV has low oral bioavailability and limited systemic exposure in typical oral-use scenarios; APS are poorly absorbed and are more plausibly active via gut–immune signaling and downstream immunomodulation rather than direct tumor exposure. Extract variability (species, processing, standardization) is a major translational confounder. In-vitro vs systemic exposure relevance: Many mechanistic cancer studies use purified AS-IV or APS at concentrations unlikely to reflect achievable human plasma levels from typical oral extracts; immune-mediated and gut–immune mechanisms are often more plausible clinically than direct concentration-driven tumor cell cytotoxicity. Clinical evidence status: Human evidence is strongest for adjunctive use alongside standard therapy (quality-of-life, fatigue, immune parameters, and some meta-analyses reporting improved response/toxicity profiles in specific settings). Robust evidence for standalone anticancer efficacy is not established. Astragalus is an herb that has been used in traditional Chinese medicine for centuries.It has many purported health benefits, including immune-boosting, anti-aging and anti-inflammatory effects.Astragalus (AG; commonly referring to Astragalus membranaceus root; major constituents: astragaloside IV [AS-IV], polysaccharides [APS], flavonoids) is a traditional botanical immunomodulator. Its dominant biology is immune modulation and stress-adaptive signaling, ranking conceptually as: (1) immune activation/regulation (macrophage, NK, T-cell modulation), (2) NF-κB and inflammatory pathway tuning, (3) PI3K/Akt/mTOR and MAPK context-dependent signaling, and (4) NRF2-mediated cytoprotection/antioxidant effects. Bioavailability is variable and constituent-dependent; AS-IV has relatively low oral bioavailability, APS are high-molecular-weight and act largely via gut–immune interaction. Many in-vitro cancer studies use purified compounds at concentrations exceeding typical plasma levels. Clinical evidence exists primarily as adjunctive oncology support (quality-of-life, immune parameters); robust standalone anticancer efficacy is not established. Immune stimulation may enhance antitumor surveillance but effects are tumor- and context-dependent. Astragalus (AG) — Cancer-Relevant Pathway Effects
TSF Legend: P: 0–30 min R: 30 min–3 hr G: >3 hr
Astragalus — In Alzheimer’s disease (AD) and broader neurodegeneration models, Astragalus fractions (notably AS-IV and flavonoids; sometimes APS indirectly) are most often described as cytoprotective via anti-inflammatory and antioxidant programs, with secondary support of pro-survival signaling and mitochondrial stability. Evidence is primarily preclinical; high-quality AD RCT efficacy remains unestablished. Primary mechanisms (ranked):
Bioavailability / PK relevance: AS-IV systemic exposure is limited with typical oral dosing; CNS relevance depends on formulation and model. Many findings use purified compounds and dosing not directly comparable to common supplement use. In-vitro vs systemic exposure relevance: Numerous neuronal studies employ concentrations/doses that may exceed achievable CNS exposure; interpretation should emphasize direction-of-effect rather than assuming clinical target engagement. Clinical evidence status: Predominantly preclinical; insufficient robust AD-specific RCT evidence for disease-modifying benefit. Astragalus (AG) — Alzheimer’s Disease (AD)-Relevant Effects
TSF Legend: P: 0–30 min R: 30 min–3 hr G: >3 hr
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| Vimentin, a major constituent of the intermediate filament family of proteins, is ubiquitously expressed in normal mesenchymal cells and is known to maintain cellular integrity and provide resistance against stress. Vimentin is overexpressed in various epithelial cancers, including prostate cancer, gastrointestinal tumors, tumors of the central nervous system, breast cancer, malignant melanoma, and lung cancer. Vimentin’s overexpression in cancer correlates well with accelerated tumor growth, invasion, and poor prognosis; however, the role of vimentin in cancer progression remains obscure. In many epithelial-derived tumors (carcinomas), elevated Vimentin expression is often observed in cancer cells that have undergone EMT. This upregulation is characteristic of a shift toward a mesenchymal state, which is associated with reduced cell–cell adhesion and increased motility. Vimentin expression is also noted in the tumor stroma, reflecting the presence and activation of mesenchymal cells such as cancer-associated fibroblasts (CAFs). This dual expression can contribute to the remodeling of the tumor microenvironment. The degree of Vimentin expression may vary depending on the tumor type, grade, and stage. More aggressive and advanced tumors tend to show higher levels of Vimentin expression. High Vimentin expression has been correlated with poor clinical outcomes in several cancers, including breast, colorectal, prostate, and lung cancers. Elevated Vimentin levels are typically associated with higher tumor grade, increased invasiveness, enhanced metastatic potential, and a greater risk of recurrence. As a component of the EMT signature, high Vimentin expression can serve as an indicator of a more aggressive tumor phenotype and is often associated with reduced overall survival. - vimentin up-regulation is often used as a marker of EMT in cancer |
| 5434- | AG, | Recent Advances in the Mechanisms and Applications of Astragalus Polysaccharides in Liver Cancer Treatment: An Overview |
| - | Review, | Liver, | NA |
| 5431- | AG, | Advances in research on the anti-tumor mechanism of Astragalus polysaccharides |
| - | Review, | Var, | NA |
| 1333- | AG, | Astragalus polysaccharide inhibits breast cancer cell migration and invasion by regulating epithelial-mesenchymal transition via the Wnt/β-catenin signaling pathway |
| - | in-vitro, | BC, | NA |
| 1097- | AG, | Astragalus Inhibits Epithelial-to-Mesenchymal Transition of Peritoneal Mesothelial Cells by Down-Regulating β-Catenin |
| - | in-vitro, | Nor, | HMrSV5 | - | in-vivo, | NA, | NA |
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#:37 Target#:336 State#:% Dir#:1
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