condition found tbRes List
ALA, Alpha-Lipoic-Acid: Click to Expand ⟱
Features: antioxidant, energy production in cell mitochondria
Alpha-Lipoic-Acid: also known as lipoic acid or thioctic acid (reduced form is dihydrolipoic acid).
"Universal antioxidant" because it is both water- and fat-soluble and can neutralize free radicals.
-Treatment sometimes as ALA/N (alpha-lipoic acid/low-dose naltresone)
-Also done in IV
-Decreases ROS production, but also has pro-oxidant role.
Normal adult can take 300 milligrams twice a day with food, but they should always take a B-complex vitamin with it. Because B complex vitamins, especially thiamine, and biotin, and riboflavin, are depleted during this metabolic process.
α-Lipoic acid acts as a chelating agent for metal ions, a quenching agent for reactive oxygen species, and a reducing agent for the oxidized form of glutathione and vitamins C and E.
-It seems a paradox that LA functions as both antioxidant and prooxidant. LA functions the pro-oxidant only in special cancer cells, such as A549 and PC9 cells which should show high-level NRF2 expression and high glycolytic level. Through inhibiting PDK1 to further prohibit NRF2; LA functions as anticancer prooxidant.

α-lipoic acid possesses excellent silver chelating properties.

- ALA acts as pro-Oxidant only in cancer cells:#278 - Pro-Oxidant Dose margin >100uM:#304

- Bioavailability: 80-90%, but conversion to EPA/DHA is 5-10% (and takes longer time).
- AI (Adequate Intake): 1.1-1.6g/day.
- human studies have shown that ALA levels decline significantly with age
- 1g of ALA might achieve 500uM in the blood.
- ALA is poorly soluble, lecithin has been used as an amphiphilic matrix to enhance its bioavailability.
- Pilot studies or observational interventions have used flaxseed supplementation (rich in ALA) in doses providing roughly 3–4 g of ALA daily.
- Flaxseed oil is even more concentrated in ALA – typical 50–60% ALA by weight.
- single walnut may contain 300mg of ALA
- chia oil contains 55-65% ALA.
- α-LA can also be obtained from the diet through the consumption of dark green leafy vegetables and meats
- ALA is more stable in chia seeds, (2grams of ALA per tablespoon)
- ALA degrades when exposed to heat, light, and air. (prone to oxidation)

-Note half-life 1-2 hrs.
BioAv 30-40% from walnuts, 60-80% from supplements. Co-ingestion with fat improves absorption. Both fat and water soluble
Pathways:
- induce ROS production
- ROS↑ related: MMP↓(ΔΨm), ER Stress↑, UPR↑, GRP78↑, Cyt‑c↑, Caspases↑, DNA damage↑,
- Lowers AntiOxidant defense in Cancer Cells: NRF2↓, SOD↓, GSH↓ Catalase↓ HO1↓ GPx↓
- Raises AntiOxidant defense in Normal Cells: ROS↓, NRF2↑, SOD↑, GSH↑, Catalase↑,
- lowers Inflammation : NF-kB↓, COX2↓, Pro-Inflammatory Cytokines : IL-1β↓, TNF-α↓, IL-6↓, IL-8↓
- inhibit Growth/Metastases : TumMeta↓, TumCG↓, EMT↓, MMPs↓, MMP2↓, MMP9↓, IGF-1↓, VEGF↓, FAK↓, NF-κB↓, TGF-β↓, α-SMA↓, ERK↓
- cause Cell cycle arrest : TumCCA↑, cyclin D1↓,
- inhibits Migration/Invasion : TumCMig↓, TumCI↓, TNF-α↓, FAK↓, ERK↓, EMT↓,
- inhibits glycolysis and ATP depletion : HIF-1α↓, PKM2↓, GLUT1↓, LDHA↓, HK2↓, PFKs↓, PDKs↓, ECAR↓, OXPHOS↓, GRP78↑, Glucose↓, GlucoseCon↓
- inhibits angiogenesis↓ : VEGF↓, HIF-1α↓, EGFR↓, Integrins↓,
- small indication of inhibiting Cancer Stem Cells : CSC↓, CD24↓, β-catenin↓,
- Others: PI3K↓, AKT↓, JAK↓, STAT↓, β-catenin↓, AMPK, ERK↓, JNK,
- Synergies: chemo-sensitization, chemoProtective, RadioSensitizer, RadioProtective, Others(review target notes), Neuroprotective, Cognitive, Renoprotection, Hepatoprotective, CardioProtective,

- Selectivity: Cancer Cells vs Normal Cells


TumCI, Tumor Cell invasion: Click to Expand ⟱
Source:
Type:
Tumor cell invasion is a critical process in cancer progression and metastasis, where cancer cells spread from the primary tumor to surrounding tissues and distant organs. This process involves several key steps and mechanisms:

1.Epithelial-Mesenchymal Transition (EMT): Many tumors originate from epithelial cells, which are typically organized in layers. During EMT, these cells lose their epithelial characteristics (such as cell-cell adhesion) and gain mesenchymal traits (such as increased motility). This transition is crucial for invasion.

2.Degradation of Extracellular Matrix (ECM): Tumor cells secrete enzymes, such as matrix metalloproteinases (MMPs), that degrade the ECM, allowing cancer cells to invade surrounding tissues. This degradation facilitates the movement of cancer cells through the tissue.

3.Cell Migration: Once the ECM is degraded, cancer cells can migrate. They often use various mechanisms, including amoeboid movement and mesenchymal migration, to move through the tissue. This migration is influenced by various signaling pathways and the tumor microenvironment.

4.Angiogenesis: As tumors grow, they require a blood supply to provide nutrients and oxygen. Tumor cells can stimulate the formation of new blood vessels (angiogenesis) through the release of growth factors like vascular endothelial growth factor (VEGF). This not only supports tumor growth but also provides a route for cancer cells to enter the bloodstream.

5.Invasion into Blood Vessels (Intravasation): Cancer cells can invade nearby blood vessels, allowing them to enter the circulatory system. This step is crucial for metastasis, as it enables cancer cells to travel to distant sites in the body.

6.Survival in Circulation: Once in the bloodstream, cancer cells must survive the immune response and the shear stress of blood flow. They can form clusters with platelets or other cells to evade detection.

7.Extravasation and Colonization: After traveling through the bloodstream, cancer cells can exit the circulation (extravasation) and invade new tissues. They may then establish secondary tumors (metastases) in distant organs.

8.Tumor Microenvironment: The surrounding microenvironment plays a significant role in tumor invasion. Factors such as immune cells, fibroblasts, and signaling molecules can either promote or inhibit invasion and metastasis.
Scientific Papers found: Click to Expand⟱
3442- ALA,    α‑lipoic acid modulates prostate cancer cell growth and bone cell differentiation
- in-vitro, Pca, 22Rv1 - in-vitro, Pca, C4-2B - in-vitro, Nor, 3T3
tumCV↓, Notably, α‑LA treatment significantly reduced the cell viability, migration, and invasion of PCa cell lines in a dose‑dependent manner.
TumCMig↓,
TumCI↓,
ROS↑, α‑LA supplementation dramatically increased reactive oxygen species (ROS) levels and HIF‑1α expression, which started the downstream molecular cascade and activated JNK/caspase‑3 signaling pathway
Hif1a↑, The expression of HIF-1α significantly increased following α-LA treatment and was comparable with the changes in ROS.
JNK↑,
Casp↑,
TumCCA↑, arrest of the cell cycle in the S‑phase, which has led to apoptosis of PCa cells
Apoptosis↑,
selectivity↑, Also, the treatment of α‑LA improved bone health by reducing PCa‑mediated bone cell modulation.

297- ALA,    Insights on the Use of α-Lipoic Acid for Therapeutic Purposes
- Review, BC, SkBr3 - Review, neuroblastoma, SK-N-SH - Review, AD, NA
PDH↑, ALA is capable of activating pyruvate dehydrogenase in tumor cells.
TumCG↓, ALA also significantly inhibited tumor growth in mouse xenograft model using BCPAP and FTC-133 cells
ROS↑, ALA is able to generate ROS, which promote ALA-dependent cell death in lung cancer [75], breast cancer [76] and colon cancer
AMPK↑,
EGR4↓,
Half-Life↓, Data suggests that ALA has a short half-life and bioavailability (about 30%)
BioAv↝,
*GSH↑, Moreover, it is able to increase the glutathione levels inside the cells, that chelate and excrete a wide variety of toxins, especially toxic metals from the body
*IronCh↑, The existence of thiol groups in ALA is responsible for its metal chelating abilities [14,35].
*ROS↓, ALA exerts a direct impact in oxidative stress reduction
*antiOx↑, ALA is being referred as the universal antioxidant
*neuroP↑, ALA has neuroprotective effects on Aβ-mediated cytotoxicity
*Ach↑, ALA show anti-dementia or anti-AD properties by increasing acetylcholine (ACh) production through activation of choline acetyltransferase, which increases glucose absorption
*lipid-P↓, ALA has multiple and complex effects in this way, namely scavenging ROS, transition metal ions, increasing the levels of reduced glutathione [59,63], scavenging of lipid peroxidation products
*IL1β↓, ALA downregulated the levels of the inflammatory cytokines IL-1B and IL-6 in SK-N-BE human neuroblastoma cells
*IL6↓,
TumCP↓, ALA inhibited cell proliferation, [18F]-FDG uptake and lactate formation and increased apoptosis in neuroblastoma cell lines Kelly, SK-N-SH, Neuro-2a and in the breast cancer cell line SkBr3.
FDG↓,
Apoptosis↑,
AMPK↑, ALA suppressed thyroid cancer cell proliferation and growth through activation of AMPK and subsequent down-regulation of mTOR-S6 signaling pathway in BCPAP, HTH-83, CAL-62 and FTC-133 cells lines.
mTOR↓,
EGFR↓, ALA inhibited cell proliferation through Grb2-mediated EGFR down-regulation
TumCI↓, ALA inhibited metastatic breast cancer cells migration and invasion, partly through ERK1/2 and AKT signaling
TumCMig↓,
*memory↑, Alzheimer’s Disease: ALA led to a marked improvement in learning and memory retention
*BioAv↑, Since ALA is poorly soluble, lecithin has been used as an amphiphilic matrix to enhance its bioavailability.
*BioAv↝, ALA were found to be considerably higher in adults with mean age greater than 75 years as compared to young adults between the ages of 18 and 45 years.
*other↓, ALA treatment has been recently studied by some clinical trials to explain its efficacy in preventing miscarriage
*other↝, 1800 mg of ALA or placebo were administrated orally every day, except during the period 2 days before to 4 days after administration of each dose of platinum to avoid potential interference with platinum’s antitumor effects
*Half-Life↓, Data shows a short half-life and bioavailability of about 30% of ALA due to mechanisms involving hepatic degradation, reduced ALA solubility as well as instability in the stomach.
*BioAv↑, ALA bioavailability is greatly reduced after food intake and it has been recommended that ALA should be admitted at least 2 h after eating or if taken before; meal should be taken at least 30 min after ALA administration
*ChAT↑, ALA show anti-dementia or anti-AD properties by increasing acetylcholine (ACh) production through activation of choline acetyltransferase, which increases glucose absorption
*GlucoseCon↑,

1124- ALA,    Alpha lipoic acid inhibits proliferation and epithelial mesenchymal transition of thyroid cancer cells
- in-vitro, Thyroid, BCPAP - in-vitro, Thyroid, HTH-83 - in-vitro, Thyroid, CAL-62 - in-vitro, Thyroid, FTC-133 - in-vivo, NA, NA
TumCP↓,
AMPK↑,
mTOR↓,
TumCMig↓,
TumCI↓,
EMT↓,
E-cadherin↑,
β-catenin/ZEB1↓,
Vim↓,
Snail↓,
Twist↓,
TGF-β↓,
p‑SMAD2↓,
TumCG↓, mouse model


* indicates research on normal cells as opposed to diseased cells
Total Research Paper Matches: 3

Results for Effect on Cancer/Diseased Cells:
AMPK↑,3,   Apoptosis↑,2,   BioAv↝,1,   Casp↑,1,   E-cadherin↑,1,   EGFR↓,1,   EGR4↓,1,   EMT↓,1,   FDG↓,1,   Half-Life↓,1,   Hif1a↑,1,   JNK↑,1,   mTOR↓,2,   PDH↑,1,   ROS↑,2,   selectivity↑,1,   p‑SMAD2↓,1,   Snail↓,1,   TGF-β↓,1,   TumCCA↑,1,   TumCG↓,2,   TumCI↓,3,   TumCMig↓,3,   TumCP↓,2,   tumCV↓,1,   Twist↓,1,   Vim↓,1,   β-catenin/ZEB1↓,1,  
Total Targets: 28

Results for Effect on Normal Cells:
Ach↑,1,   antiOx↑,1,   BioAv↑,2,   BioAv↝,1,   ChAT↑,1,   GlucoseCon↑,1,   GSH↑,1,   Half-Life↓,1,   IL1β↓,1,   IL6↓,1,   IronCh↑,1,   lipid-P↓,1,   memory↑,1,   neuroP↑,1,   other↓,1,   other↝,1,   ROS↓,1,  
Total Targets: 17

Scientific Paper Hit Count for: TumCI, Tumor Cell invasion
3 Alpha-Lipoic-Acid
Filter Conditions: Pro/AntiFlg:%  IllCat:%  CanType:%  Cells:%  prod#:29  Target#:324  State#:%  Dir#:%
  wNotes=on  sortOrder:rid,rpid

 

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