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| Cichoric acid Cichoric acid / Chicoric acid — Cichoric acid is a naturally occurring dicaffeoyltartaric acid polyphenol, formally a hydroxycinnamic acid derivative composed of two caffeic acid units esterified to tartaric acid. It is best classified as a plant-derived phenolic acid / caffeic-acid derivative rather than a drug. Standard abbreviations include Cic, ChicA, and CA, although CA is ambiguous because it is also used for caffeic acid, chlorogenic acid, carnosic acid, and many other database entries. Major sources include Echinacea purpurea, chicory, lettuce, basil, dandelion, and other Asteraceae/Lamiaceae plants. It is commonly used as a quality-marker compound for Echinacea purpurea extracts, but its direct cancer-development status remains preclinical only. Primary mechanisms (ranked):
Bioavailability / PK relevance: Oral systemic translation is constrained by polyphenol-type absorption, metabolism, plasma protein binding, and formulation stability. Rat PK/tissue-distribution work exists, but direct human PK data for isolated cichoric acid are limited. Echinacea extract exposure cannot be assumed to equal isolated cichoric acid exposure because alkamides, polysaccharides, glycoproteins, caftaric acid, and other constituents may drive part of the immune effect. In-vitro vs systemic exposure relevance: Many mechanistic studies use low-to-high micromolar cichoric acid concentrations. These concentrations may exceed free systemic exposure achievable from ordinary oral Echinacea or food intake, especially after first-pass and microbial metabolism. Low-micromolar effects such as 5 μM otoprotection in zebrafish are more pharmacologically plausible than high-micromolar cytotoxicity screens, but human-equivalent exposure remains uncertain. Clinical evidence status: Cancer: preclinical only; no adequate human cancer trials for isolated cichoric acid. Immune / respiratory use: human evidence exists for Echinacea preparations, but not as isolated cichoric acid attribution. Alzheimer’s disease: preclinical only, with cell and animal-model support but no validated human clinical efficacy. Regulatory/deployment status: listed as a natural-health-product ingredient name by Health Canada; not an approved anticancer or AD therapeutic. Cichoric Acid Mechanistic Profile
TSF legend: P: 0–30 min R: 30 min–3 hr G: >3 hr Alzheimer’s disease relevance: Cichoric acid has meaningful AD-preclinical relevance but no validated human AD clinical evidence. The main AD rationale is neuroinflammation and amyloid-pathology modulation rather than direct symptomatic cholinergic therapy. In animal and cellular AD models, cichoric acid has been reported to reduce Aβ burden, lower APP/BACE1 markers, improve synaptic-function markers, and activate antioxidant signaling. This supports an AD database sub-entry as preclinical / experimental, not as a clinically established intervention. AD mechanisms (ranked):
Clinical evidence status: AD evidence remains preclinical. No adequate human RCT evidence supports cichoric acid as an Alzheimer’s disease treatment. Translation constraints include oral exposure, blood-brain exposure, dose standardization, and uncertainty over whether whole-plant extracts reproduce isolated cichoric acid effects. Cichoric Acid Alzheimer’s Disease Mechanistic Profile
TSF legend: P: 0–30 min R: 30 min–3 hr G: >3 hr |
| Source: TCGA |
| Type: Antiapoptotic |
| Nrf2 is responsible for regulating an extensive panel of antioxidant enzymes involved in the detoxification and elimination of oxidative stress. Thought of as "Master Regulator" of antioxidant response. -One way to estimate Nrf2 induction is through the expression of NQO1. NQO1, the most potent inducer: SFN 0.2 μM, quercetin (2.5 μM), curcumin (2.7 μM), Silymarin (3.6 μM), tamoxifen (5.9 μM), genistein (6.2 μM ), beta-carotene (7.2μM), lutein (17 μM), resveratrol (21 μM), indol-3-carbinol (50 μM), chlorophyll (250 μM), alpha-cryptoxanthin (1.8 mM), and zeaxanthin (2.2 mM) 1. Raising Nrf2 enhances the cell's antioxidant defenses and ↓ROS. This strategy is used to decrease chemo-radio side effects. 2. Downregulating Nrf2 lowers antioxidant defenses and ↑ROS. In cancer cells this leads to DNA damage, and cell death. 3. However there are some cases where increasing Nrf2 paradoxically causes an increase in ROS (cancer cells). Such as cases of Mitochondial overload, signal crosstalk, reductive stress -In some cases, Nrf2 is overexpressed in cancer cells, which can lead to the activation of genes involved in cell proliferation, angiogenesis, and metastasis. This can contribute to the development of resistance to chemotherapy and targeted therapies. -Increased Nrf2 expression: Lung, Breast, Colorectal, Prostrate. Decreased Nrf2 expression: Skine, Liver, Pancreatic. -Nrf2 is a cytoprotective transcription factor which demonstrated both a negative effect as well as a positive effect on cancer - "promotes Nrf2 translocation from the cytoplasm to the nucleus," means facilitates the movement of Nrf2 into the nucleus, thereby enhancing the cell's antioxidant and cytoprotective responses. -Major regulator of Nrf2 activity in cells is the cytosolic inhibitor Keap1. Nrf2 Inhibitors and Activators Nrf2 Inhibitors: Brusatol, Luteolin, Trigonelline, VitC, Retinoic acid, Chrysin Nrf2 Activators: SFN, OPZ EGCG, Resveratrol, DATS, CUR, CDDO, Api - potent Nrf2 inducers from plants include sulforaphane, curcumin, EGCG, resveratrol, caffeic acid phenethyl ester, wasabi, cafestol and kahweol (coffee), cinnamon, ginger, garlic, lycopene, rosemany Nrf2 plays dual roles in that it can protect normal tissues against oxidative damage and can act as an oncogenic protein in tumor tissue. – In healthy tissues, NRF2 activation helps protect cells from oxidative damage and maintains cellular homeostasis. – In many cancers, constitutive activation of NRF2 (often through mutations in NRF2 itself or loss-of-function mutations in KEAP1) leads to an enhanced antioxidant capacity. – This upregulation can promote tumor cell survival by enabling cancer cells to thrive under oxidative stress, resist chemotherapeutic agents, and sustain metabolic reprogramming. – Elevated NRF2 levels have been implicated in promoting tumor growth, metastasis, and resistance to therapy in various malignancies. – High or sustained NRF2 activity is frequently associated with aggressive tumor phenotypes, poorer prognosis, and decreased overall survival in several cancer types. – While its activation is essential for protecting normal cells from oxidative stress, aberrant or sustained NRF2 activation in tumor cells can lead to enhanced survival, therapeutic resistance, and tumor progression. NRF2 inhibitors: (to decrease antioxidant defenses and increase cell death from ROS). -Brusatol: most cited natural inhibitors of Nrf2. -Luteolin: luteolin can reduce Nrf2 activity in specific cancer models and may enhance cell sensitivity to chemotherapy. However, luteolin is also known as an antioxidant, and its influence on Nrf2 can sometimes be context dependent. -Apigenin: certain studies to down‑regulate Nrf2 in cancer cells: Dose and context dependent . -Oridonin: -Wogonin: although its effects might be cell‑ and dose‑specific. - Withaferin A |
| 6623- | Cic, | MTX, | Chicoric acid prevents methotrexate hepatotoxicity via attenuation of oxidative stress and inflammation and up-regulation of PPARγ and Nrf2/HO-1 signaling |
| - | in-vivo, | Nor, | NA |
| 6624- | Cic, | Chicoric acid supplementation ameliorates cognitive impairment induced by oxidative stress via promotion of antioxidant defense system |
| - | in-vivo, | AD, | NA | - | in-vivo, | Park, | NA |
| 6632- | Cic, | Chicoric Acid Ameliorates Lipopolysaccharide-Induced Oxidative Stress via Promoting the Keap1/Nrf2 Transcriptional Signaling Pathway in BV-2 Microglial Cells and Mouse Brain |
| - | vitro+vivo, | Nor, | 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
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