ZO-1 Cancer Research Results

ZO-1, Zonula occludens-1: Click to Expand ⟱
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ZO-1 (Zonula occludens-1) is a protein that plays a crucial role in the formation and maintenance of tight junctions in epithelial cells. Tight junctions are essential for maintaining the integrity of epithelial barriers and regulating the passage of ions and molecules across the cell membrane.

In the context of cancer, ZO-1 has been implicated in several ways:

1.Loss of ZO-1 expression: Reduced or lost expression observed in various types of cancer.
2.Disruption of tight junctions: Cancer cells often exhibit disrupted tight junctions, which can lead to increased permeability and the loss of epithelial barrier function. ZO-1 is a key component of tight junctions, and its disruption can contribute to the development and progression of cancer.
3.Epithelial-to-mesenchymal transition (EMT): ZO-1 has been shown to play a role in regulating EMT, a process by which epithelial cells acquire a mesenchymal phenotype. EMT is a key event in the development of cancer metastasis, and ZO-1's role in regulating this process is an area of active research.
4.Tumor suppressor function: ZO-1 has been proposed to have tumor suppressor functions, and its loss or downregulation can contribute to the development of cancer. ZO-1's tumor suppressor functions may be related to its ability to regulate cell growth, apoptosis, and cell migration.

ZO-1 generally acts as a tumor suppressor by maintaining epithelial integrity. In many cancers, downregulation or mislocalization of ZO-1 is observed and is associated with a poorer prognosis due to the facilitation of EMT and metastasis.
IBD, Inflammatory Bowel Disease: Click to Expand ⟱
Inflammatory Bowel Disease

The main pathways involved in IBD include intestinal barrier dysfunction, mucus barrier impairment, dysbiosis-driven innate immune activation, and persistent cytokine-mediated inflammation. Key barrier components such as ZO-1, occludin, claudins, and MUC2 are commonly disrupted, increasing epithelial permeability and microbial translocation. This promotes activation of inflammatory hubs including TNF-α, NF-κB, IL-1β, IL-6/STAT3, and IL-23/Th17, while JAK/STAT signaling integrates multiple cytokine inputs that sustain chronic mucosal injury. Together, these pathways drive epithelial damage, immune dysregulation, and failure of mucosal healing in ulcerative colitis and Crohn’s disease

Rank Pathway / Axis Representative Targets / Markers Typical Direction in IBD Main Relevance
1 Intestinal Barrier Integrity / Tight Junctions ZO-1 (TJP1), Occludin (OCLN), Claudins (especially CLDN2, CLDN1) ZO-1 ↓, OCLN ↓, barrier loosened; CLDN2 often ↑ Core barrier failure increases intestinal permeability, microbial entry, and chronic inflammation
2 Mucus Barrier / Goblet Cell Axis MUC2, goblet cells, antimicrobial peptides MUC2 and goblet protection often impaired Weak mucus defense exposes the epithelium to luminal bacteria and antigens
3 TNF-α Inflammatory Axis TNF-α, TNFR1, TNFR2 ↑ Major inflammatory driver and validated therapeutic target in IBD
4 NF-κB Signaling NF-κB, IKK, IκB, COX-2, iNOS ↑ Central transcriptional hub for cytokines, chemokines, and inflammatory amplification
5 IL-23 / Th17 Axis IL-23, IL-23R, IL-17A, IL-22, RORγt ↑ / dysregulated Important bridge between innate and adaptive immune inflammation
6 JAK / STAT Signaling JAK1, JAK2, TYK2, STAT3 ↑ / activated Integrates multiple cytokine signals that sustain mucosal inflammation
7 IL-6 / STAT3 Axis IL-6, IL-6R, gp130, STAT3 ↑ Supports inflammatory persistence, immune-cell survival, and epithelial injury signaling
8 IL-1β / Inflammasome Axis IL-1β, NLRP3, ASC, caspase-1 ↑ Promotes innate inflammation, cytokine escalation, and epithelial damage
9 Microbiota / Dysbiosis / PRR Signaling Dysbiosis, TLRs, MyD88, LPS-related signaling Dysregulated / activated Links altered microbiota to barrier loss and immune activation
10 Oxidative Stress / Redox Imbalance ROS, lipid peroxidation, MPO, antioxidant defenses ↑ oxidative stress Contributes to epithelial injury, inflammatory signaling, and impaired healing
11 Leukocyte Trafficking / Adhesion Integrins, MAdCAM-1, ICAM-1, VCAM-1, chemokines ↑ Drives immune-cell recruitment into inflamed intestinal tissue
12 Epithelial Apoptosis / Restitution / Mucosal Healing Caspases, repair pathways, epithelial proliferation and restitution markers Injury ↑, healing impaired Determines whether mucosal damage resolves or progresses to chronic disease
Rank Natural Product Best Fit in IBD Evidence Level Main Rationale Notes
1 Curcumin Mainly Ulcerative Colitis (UC) Best human evidence Strongest overall adjunctive clinical support among common natural products for active UC Anti-inflammatory; NF-κB / cytokines / oxidative stress; mucosal support
2 Indigo naturalis (Qing Dai) Mainly UC Strong efficacy, safety-limited Good human efficacy signals, but safety concerns lower practical rank Anti-colitic; immune/inflammatory modulation; use caution flag for safety
3 Boswellia serrata UC / colitis Older smaller human trials Suggestive remission data and anti-inflammatory relevance, but evidence base is limited 5-LOX / leukotrienes / inflammation / mucosal protection
4 Aloe vera gel Mild-to-moderate UC Small human trial signal Some human improvement signal, though not as strong as curcumin or indigo naturalis Mucosal soothing / anti-inflammatory / healing support
5 Andrographis paniculata / andrographolide Mostly UC Mixed human, stronger preclinical Mechanistically promising, but human benefit is less consistent NF-κB / cytokines / barrier and anti-inflammatory support
6 Carvacrol Experimental colitis / dysbiosis / barrier dysfunction Preclinical Promising anti-colitis terpene with anti-inflammatory, antioxidant, and microbiota-related effects Dysbiosis / intestinal barrier integrity / NF-κB / oxidative stress
7 Thymol Experimental colitis / barrier dysfunction Preclinical Promising anti-colitis terpene with cytokine suppression and NF-κB-related effects Dysbiosis / intestinal barrier integrity / NF-κB / COX-2 / oxidative stress
8 Carvacrol + Thymol Experimental colitis, dysbiosis, bile-acid modulation Preclinical, mechanistically strong Combination may be especially relevant due to microbiota and bile-acid pathway effects in DSS colitis Bifidobacterium / secondary bile acids / barrier support / anti-colitic signaling
9 Peppermint oil Supportive / experimental colitis / GI symptom relief Mainly preclinical for IBD; stronger IBS evidence Menthol-rich oil with anti-inflammatory, antispasmodic, and possible barrier-supportive effects, but limited direct human IBD evidence Menthol / TRP modulation / cytokines / oxidative stress / GI symptom support


Scientific Papers found: Click to Expand⟱
5365- AV,    Aloe Vera Polysaccharides as Therapeutic Agents: Benefits Versus Side Effects in Biomedical Applications
- Review, Nor, NA - Review, IBD, NA - Review, Diabetic, NA
*Wound Healing↑, *Imm↑, *antiOx↑, *AntiDiabetic↑, *AntiCan↑, *Inflam↓, *NF-kB↓, *COX2↓, *5LO↓, *IL1β↓, *IL6↓, *TNF-α↓, *IL10↑, *other↓, *ROS↓, *SOD↑, *Catalase↑, *GPx↑, *lipid-P↓, *DNAdam↓, *GutMicro↑, *ZO-1↑, AntiTum↑, Casp3↑, Casp9↑, angioG↓, MMPs↓, VEGF↓, NK cell↑,
5932- CAR,    Carvacrol attenuates mucosal barrier impairment and tumorigenesis by regulating gut microbiome
- in-vivo, IBD, NA - in-vivo, Park, NA
*GutMicro↑, Risk↓, *Inflam↓, *antiOx↓, *ZO-1↑, *iNOS↓, *IL6↓, *NO↓, *PGE2↓, *memory↑, *TLR4↓, *NF-kB↓, *IBI↑, *CLDN3↑, *CLDN1↑, *MUC1↑, *OCLN↑, *iNOS↑, *COX2↓, *IFN-γ↓, IL1β↓, ADAM10?,

Showing Research Papers: 1 to 2 of 2

* indicates research on normal cells as opposed to diseased cells
Total Research Paper Matches: 2

Pathway results for Effect on Cancer / Diseased Cells:


Cell Death ⓘ

Casp3↑, 1,   Casp9↑, 1,  

Migration ⓘ

MMPs↓, 1,  

Angiogenesis & Vasculature ⓘ

angioG↓, 1,   VEGF↓, 1,  

Immune & Inflammatory Signaling ⓘ

IL1β↓, 1,   NK cell↑, 1,  

Synaptic & Neurotransmission ⓘ

ADAM10?, 1,  

Functional Outcomes ⓘ

AntiTum↑, 1,   Risk↓, 1,  
Total Targets: 10

Pathway results for Effect on Normal Cells:


Redox & Oxidative Stress ⓘ

antiOx↓, 1,   antiOx↑, 1,   Catalase↑, 1,   GPx↑, 1,   lipid-P↓, 1,   ROS↓, 1,   SOD↑, 1,  

Cell Death ⓘ

iNOS↓, 1,   iNOS↑, 1,  

Transcription & Epigenetics ⓘ

other↓, 1,  

DNA Damage & Repair ⓘ

DNAdam↓, 1,  

Migration ⓘ

5LO↓, 1,   CLDN1↑, 1,   MUC1↑, 1,   ZO-1↑, 2,  

Angiogenesis & Vasculature ⓘ

NO↓, 1,  

Barriers & Transport ⓘ

CLDN3↑, 1,   IBI↑, 1,   OCLN↑, 1,  

Immune & Inflammatory Signaling ⓘ

COX2↓, 2,   IFN-γ↓, 1,   IL10↑, 1,   IL1β↓, 1,   IL6↓, 2,   Imm↑, 1,   Inflam↓, 2,   NF-kB↓, 2,   PGE2↓, 1,   TLR4↓, 1,   TNF-α↓, 1,  

Clinical Biomarkers ⓘ

GutMicro↑, 2,   IL6↓, 2,  

Functional Outcomes ⓘ

AntiCan↑, 1,   AntiDiabetic↑, 1,   memory↑, 1,   Wound Healing↑, 1,  
Total Targets: 36

Scientific Paper Hit Count for: ZO-1, Zonula occludens-1
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:58  Cells:%  prod#:%  Target#:674  State#:%  Dir#:2
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