Gamma-aminobutyric acid / AntiBio Cancer Research Results

GABA, Gamma-aminobutyric acid: Click to Expand ⟱
Features:
Gamma-aminobutyric acid (GABA) is the primary inhibitory neurotransmitter in the central nervous system, and its dysregulation has been implicated in Alzheimer’s disease (AD).
-Altered GABA levels: Some studies report reduced GABA levels in the brain of AD patients, while others show compensatory increases in certain brain areas.
Enhancing GABAergic signaling is being explored to:
-Reduce neuronal hyperexcitability.
-Alleviate agitation, anxiety, and seizure-like activity in AD.
-Improve memory and cognition in early disease stages.

-dietary sources of GABA. They include broccoli and other cruciferous vegetables, certain peas and beans, and oat, wheat, barley, rice, tomatoes, sweet potatoes, and spinach
-GABA intake from dietary sources like tomatoes and fermented foods can be considerable
-GABA, is synthesized from glutamate

Cancer evidence status: No clinical evidence supports oral GABA supplements or GABA-enriched foods as cancer treatments. Experimental cancer studies primarily examine endogenous tumor GABA, GABA receptors, GABA-shunt metabolism, or direct exposure of cultured cells to GABA. Reported effects are bidirectional and highly tumor-dependent, including both growth inhibition and promotion of proliferation, invasion, metabolic adaptation, and immune suppression. These findings support GABAergic signaling as a mechanistic cancer target but do not establish supplemental GABA as an anticancer intervention.



Alzheimer’s disease relevance: GABAergic dysfunction is significantly involved in Alzheimer’s disease, but it cannot be represented simply as a uniform GABA deficiency. Loss or dysfunction of inhibitory interneurons can reduce network inhibition, increase hippocampal hyperexcitability, disrupt gamma oscillations, and increase seizure susceptibility. Conversely, reactive astrocytes can produce excessive tonic GABA in affected regions, suppressing synaptic plasticity and memory circuits. The therapeutically relevant objective is restoration of spatially and receptor-subtype-specific excitation–inhibition balance rather than generalized enhancement of GABA signaling. Oral GABA is not an established Alzheimer’s disease treatment, has limited blood–brain barrier penetration, and lacks adequate randomized evidence for cognitive or disease-modifying benefit.

Primary mechanisms (ranked):

  1. Restoration or disruption of neuronal excitation–inhibition balance through GABAA and GABAB receptors.
  2. Regulation of hippocampal and cortical hyperexcitability, network oscillations, and seizure susceptibility.
  3. Reactive-astrocyte GABA production and excessive tonic inhibition of memory-related neurons.
  4. Modulation of synaptic plasticity, long-term potentiation, learning, and memory according to receptor subtype and anatomical region.
  5. Indirect gut–brain, autonomic, endocrine, sleep, and stress effects from peripheral or microbiota-derived GABA.

Bioavailability / PK relevance: Endogenous brain GABA is locally synthesized and tightly compartmentalized. Supplemental GABA produces peripheral exposure but appears to cross an intact blood–brain barrier poorly. Increased oral intake therefore cannot be assumed to normalize cerebral GABA concentrations or selectively reach dysfunctional Alzheimer’s disease circuits.

In-vitro vs systemic exposure relevance: Cell and animal studies using direct intracerebral delivery, receptor-selective drugs, genetic manipulation, or millimolar GABA exposure do not directly model ordinary dietary supplementation. Effects of selective GABA receptor modulators cannot be attributed automatically to oral GABA.

Clinical evidence status: Mechanistic and animal evidence supports GABAergic pathways as Alzheimer’s disease targets, but direct oral GABA evidence is inadequate. Historical studies of GABAergic drugs and more recent receptor-selective approaches have not established GABA supplementation as a cognitive or disease-modifying therapy. Clinical status remains preclinical to exploratory human evidence.

Alzheimer’s Disease Mechanistic Profile

Rank Pathway / Axis Modulation TSF Primary Effect Notes / Interpretation
1 Excitation–inhibition balance GABAergic inhibition ↓ in dysfunctional interneuron networks; tonic inhibition ↑ in selected regions P–G Controls neuronal stability and information processing Alzheimer’s disease can contain simultaneous regional hypo-inhibition and excessive tonic inhibition. Global GABA enhancement is therefore unlikely to be uniformly beneficial.
2 Network hyperexcitability Hyperexcitability ↑ when interneuron function or phasic inhibition is impaired P–G Promotes abnormal firing, impaired coding, and seizure susceptibility Restoring appropriately timed inhibition may improve network function, but excessive suppression can impair cognition.
3 Reactive astrocyte GABA Astrocytic GABA synthesis and tonic release ↑ (model-dependent) G Suppresses hippocampal neuronal activity and memory circuits This mechanism argues against treating Alzheimer’s disease as a simple state of insufficient GABA.
4 Synaptic plasticity and memory Long-term potentiation ↓ with excessive tonic inhibition; may improve when pathological inhibition is normalized R–G Modulates learning, memory formation, and retrieval GABAA receptor subtypes have distinct cognitive effects; receptor-selective modulators may differ substantially from GABA supplementation.
5 Gamma oscillations and interneuron synchrony Oscillatory synchrony ↓ with interneuron dysfunction P–G Impairs coordinated cortical and hippocampal processing Parvalbumin interneurons and precisely timed GABA release are more relevant than bulk tissue GABA concentration.
6 Clinical Translation Constraint Brain delivery uncertain; receptor and regional selectivity absent G Limits therapeutic interpretation of oral supplementation No adequate evidence demonstrates that oral GABA improves Alzheimer’s disease cognition, pathology, or progression.

P: 0–30 min    R: 30 min–3 hr    G: >3 hr



AntiBio, Antibiotic/Antimicrobial activity: Click to Expand ⟱
Source:
Type:

Antibiotic / antimicrobial activity: The ability of a substance to suppress or kill microorganisms, especially bacteria, by disrupting microbial survival, growth, biofilm formation, cell-wall integrity, membrane function, protein synthesis, nucleic-acid synthesis, quorum sensing, or virulence.

Natural Products that might have antimicrobial properties

Natural supplement or product Principal constituents Potential antimicrobial activity Evidence assessment Reference
Garlic
Allium sativum
Allicin, ajoene and diallyl sulfides Antibacterial and antifungal activity, with some antiviral and antiparasitic effects reported in laboratory studies. Extensive laboratory evidence, but insufficient clinical evidence to use garlic as a treatment for established infections. Tesfaye A. Revealing the therapeutic uses of garlic and its potential for drug discovery. Scientific review.
Berberine Berberine isoquinoline alkaloid May damage bacterial membranes, inhibit efflux pumps, interfere with nucleic-acid and protein synthesis, and inhibit biofilm formation. Strong preclinical evidence and limited indication-specific clinical evidence. Poor oral bioavailability and drug interactions limit its use as a general antimicrobial. Berberine as a therapeutic alkaloid against ESKAPE and multidrug-resistant bacteria: a comprehensive review.
Cranberry extract
Vaccinium macrocarpon
A-type proanthocyanidins Primarily reduces adhesion of uropathogenic bacteria, particularly Escherichia coli, to urinary epithelial cells. May reduce recurrent urinary tract infections in selected populations. It is preventive rather than a reliable treatment for an active UTI. National Center for Complementary and Integrative Health: Cranberry—Usefulness and Safety.
Probiotics
Lactobacillus, Bifidobacterium and Saccharomyces boulardii
Live microorganisms; effects are strain-specific Competitive exclusion of pathogens, production of bacteriocins, inhibition of pathogen adhesion and restoration of microbiome function. Some human evidence for antibiotic-associated diarrhea and selected gastrointestinal or vaginal indications. Results cannot be generalized from one strain to another. NIH Office of Dietary Supplements: Probiotics—Health Professional Fact Sheet.
Medical-grade honey / Manuka honey Methylglyoxal, hydrogen peroxide, defensin-1, organic acids and high osmolarity Broad topical antibacterial and antibiofilm activity; also supports autolytic debridement and wound healing. Clinically relevant primarily as a standardized, medical-grade topical wound product. Ordinary food honey is not equivalent. Jull AB et al. Honey as a topical treatment for wounds. Cochrane systematic review.
Oregano oil
Origanum vulgare
Carvacrol and thymol Antibacterial, antifungal and antibiofilm activity, largely through disruption of microbial membranes. Strong laboratory activity, but inadequate human evidence for oral treatment of infections. Concentrated oil can cause irritation. Chemical composition, biological activity and potential uses of oregano and oregano essential oil: a review.
Thyme
Thymus vulgaris
Thymol and carvacrol Antibacterial, antifungal and antibiofilm activity through membrane damage and altered microbial permeability. Better established as a constituent of topical antiseptic and oral-care formulations than as an oral treatment for systemic infection. PubMed literature: thyme, thymol and antimicrobial activity.
Tea tree oil
Melaleuca alternifolia
Terpinen-4-ol and related monoterpenes Topical antibacterial and antifungal activity with some antiviral laboratory activity. Some clinical evidence for topical acne and fungal skin conditions. Tea tree oil is toxic when swallowed and may cause contact dermatitis. Carson CF et al. Melaleuca alternifolia oil: a review of antimicrobial and other medicinal properties.
Echinacea
Echinacea species
Alkamides, caffeic-acid derivatives, polysaccharides and glycoproteins Primarily immunomodulatory; relatively weak and inconsistent direct antimicrobial activity. Evidence for preventing or shortening respiratory infections is inconsistent and preparation-dependent. National Center for Complementary and Integrative Health: Echinacea—Usefulness and Safety.
Elderberry
Sambucus nigra
Anthocyanins, flavonols and phenolic acids Antiviral effects have been reported in cell-culture and preclinical studies, including interference with viral entry or replication. Small human trials have examined respiratory symptoms, but evidence remains insufficient to establish treatment of influenza or other viral infections. National Center for Complementary and Integrative Health: Elderberry.
Curcumin / turmeric
Curcuma longa
Curcumin and related curcuminoids Antibacterial, antifungal, antiviral and antibiofilm activity through multiple membrane, enzyme and signalling effects. Predominantly laboratory evidence. Poor aqueous solubility and low systemic bioavailability are major clinical limitations. Moghadamtousi SZ et al. A review on antibacterial, antiviral and antifungal activity of curcumin.
Ginger
Zingiber officinale
Gingerols, shogaols and zingerone Antibacterial and antifungal activity, including possible inhibition of microbial adhesion and biofilm formation. Primarily laboratory evidence; there is little direct clinical evidence that ginger supplements treat infections. PubMed literature: ginger, gingerols and antimicrobial activity.
Clove
Syzygium aromaticum
Eugenol and eugenyl acetate Antibacterial, antifungal and local antiseptic activity, principally through membrane and protein disruption. Relevant mainly to topical, food-preservation and dental applications. Evidence for systemic infection treatment is insufficient. PubMed literature: clove, eugenol and antimicrobial activity.
Cinnamon
Cinnamomum species
Cinnamaldehyde, eugenol and cinnamic acid derivatives Antibacterial, antifungal and antibiofilm activity; may alter microbial membranes and quorum-sensing pathways. Predominantly laboratory evidence. Cassia cinnamon can contribute substantial coumarin exposure when consumed in concentrated amounts. PubMed literature: cinnamon, cinnamaldehyde and antimicrobial activity.
Neem
Azadirachta indica
Nimbidin, nimbin, nimbolide, azadirachtin and other limonoids Antibacterial, antifungal, antiparasitic and antibiofilm effects have been reported. Some topical and dental research exists, but systemic clinical evidence is inadequate. Oral neem preparations have important safety concerns. PubMed literature: Azadirachta indica and antimicrobial activity.
Black seed
Nigella sativa
Thymoquinone, thymohydroquinone and related volatile compounds Antibacterial, antifungal, antiparasitic and possible antiviral activity. Considerable laboratory research but limited, heterogeneous clinical evidence for infectious diseases. PubMed literature: Nigella sativa, thymoquinone and antimicrobial activity.
Green tea extract
Camellia sinensis
Epigallocatechin gallate (EGCG) and other catechins Antibacterial, antiviral and antibiofilm activity; may damage membranes, inhibit microbial enzymes and enhance some antibiotics. Some localized oral-health evidence, but limited evidence for treating systemic infections. Concentrated extracts may cause liver injury in susceptible individuals. PubMed literature: EGCG, green tea and antimicrobial activity.
Licorice root
Glycyrrhiza species
Glycyrrhizin, glycyrrhetinic acid, liquiritigenin and other flavonoids Antiviral, antibacterial and antifungal effects have been reported in laboratory and preclinical studies. Limited clinical antimicrobial evidence. Glycyrrhizin can cause hypertension, hypokalemia, fluid retention and clinically important drug interactions. National Center for Complementary and Integrative Health: Licorice Root.
Andrographis
Andrographis paniculata
Andrographolide and related diterpenoid lactones Immunomodulatory, anti-inflammatory and possible antiviral or antibacterial activity. Some evidence for modest symptom reduction in uncomplicated respiratory infections, but this does not establish direct pathogen eradication. PubMed literature: Andrographis and respiratory infections.
Pelargonium sidoides Proanthocyanidins, phenolic acids and oxygenated coumarin derivatives Possible antiviral, antibacterial anti-adhesive and immunomodulatory activity. Some human evidence for modest symptom improvement in acute bronchitis and selected respiratory infections. It is not a substitute for antibiotics when bacterial treatment is indicated. Timmer A et al. Pelargonium sidoides extract for acute respiratory tract infections. Cochrane systematic review.
Monolaurin
Glycerol monolaurate
Monolaurin, a monoester derived from lauric acid May disrupt lipid membranes and interfere with signalling or virulence in certain bacteria and enveloped viruses. Predominantly laboratory and animal evidence. There is insufficient clinical evidence to recommend oral monolaurin for infections. PubMed literature: glycerol monolaurate and antimicrobial activity.
Caprylic acid Octanoic acid, an eight-carbon medium-chain fatty acid Antifungal and membrane-disrupting activity, particularly against Candida species, has been reported in vitro. Insufficient human evidence for treating candidiasis or systemic fungal infection. Marketing claims commonly exceed the evidence. PubMed literature: caprylic acid and Candida.
Olive leaf extract
Olea europaea
Oleuropein, hydroxytyrosol and elenolic-acid derivatives Antibacterial, antiviral and antifungal activity has been observed in laboratory studies. Preliminary evidence only; clinical trials have not established it as a treatment for infectious disease. PubMed literature: olive leaf, oleuropein and antimicrobial activity.
Goldenseal
Hydrastis canadensis
Hydrastine, canadine and berberine Extracts and individual alkaloids show antibacterial activity in laboratory studies. There is no good clinical evidence that goldenseal treats human infections. Product composition, absorption and drug interactions are important limitations. National Center for Complementary and Integrative Health: Goldenseal.
Sweet wormwood / artemisinin
Artemisia annua
Artemisinin and related sesquiterpene lactones Artemisinin derivatives are potent antimalarial agents. Additional antibacterial, antiviral and antiparasitic effects are being studied. Artemisinin-based combination therapies are established medicines, not ordinary supplements. Herbal preparations should not replace standardized malaria treatment because dose variability can promote treatment failure and resistance. World Health Organization: Guidelines for malaria.

Evidence interpretation

  • Clinical evidence: Effects have been studied in human participants, but usually for a specific preparation, route, dose and indication.
  • Preclinical evidence: Activity has mainly been demonstrated in cell culture, microbial cultures or animal models.
  • Anti-adhesive or probiotic activity: The product may reduce colonization or pathogen attachment without directly killing the microorganism.
  • Topical evidence: Results from topical use cannot be assumed to apply to an orally administered supplement.


Scientific Papers found: Click to Expand⟱
7069- GABA,    United States Pharmacopeia (USP) Safety Review of Gamma-Aminobutyric Acid (GABA)
- Review, Nor, NA
*toxicity↓, *BP↓, *AntiDiabetic↑, *AntiCan↑, *antiOx↑, *Inflam↓, *AntiBio↑, *other↝, *cognitive↑, *GH↑, *Sleep↑, *BioAv↑, *Half-Life↝, *BBB↓, *eff↑,

Showing Research Papers: 1 to 1 of 1

* indicates research on normal cells as opposed to diseased cells
Total Research Paper Matches: 1

Pathway results for Effect on Cancer / Diseased Cells:


Total Targets: 0

Pathway results for Effect on Normal Cells:


NA, unassigned(tgid=0)

AntiBio↑, 1,  

Redox & Oxidative Stress(tgid=1)

antiOx↑, 1,  

Transcription & Epigenetics(tgid=7)

other↝, 1,  

Proliferation, Differentiation & Cell State(tgid=12)

GH↑, 1,  

Barriers & Transport(tgid=15)

BBB↓, 1,  

Immune & Inflammatory Signaling(tgid=16)

Inflam↓, 1,  

Drug Metabolism & Resistance(tgid=21)

BioAv↑, 1,   eff↑, 1,   Half-Life↝, 1,  

Clinical Biomarkers(tgid=22)

BP↓, 1,  

Functional Outcomes(tgid=23)

AntiCan↑, 1,   AntiDiabetic↑, 1,   cognitive↑, 1,   Sleep↑, 1,   toxicity↓, 1,  
Total Targets: 15

Scientific Paper Hit Count for: AntiBio, Antibiotic/Antimicrobial activity
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#:342  Target#:1483  State#:%  Dir#:%
wNotes=0 sortOrder:rid,rpid

 

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