Fucoidan / PARP Cancer Research Results

F, Fucoidan: Click to Expand ⟱
Features:
Fucoidan is found in brown algae. Extracted from the seaweed species Fucus vesiculosus, Cladosiphon okamuranus, Laminaria japonica and Undaria pinnatifida.
In oncology research, fucoidan is most consistently described as an immunomodulatory and anti-angiogenic compound with additional pro-apoptotic and anti-metastatic effects in preclinical models. Mechanistically, fucoidan has been reported to suppress NF-κB and PI3K/AKT signaling, reduce VEGF-mediated angiogenesis, inhibit tumor cell adhesion and invasion, and promote apoptosis through caspase activation and mitochondrial pathways. It may also enhance NK cell and macrophage activity, contributing to anti-tumor immune responses. Effects vary substantially depending on molecular weight, sulfation pattern, and source species. Human clinical data remain limited, and many anticancer claims are derived from in vitro and animal studies.


Cancer Pathway Table: Fucoidan

Rank Pathway / Axis Cancer / Tumor Context Normal Tissue Context TSF Primary Effect Notes / Interpretation
1 Immune activation (NK cells / macrophages) NK activity ↑; macrophage activation ↑ (reported) Immune surveillance support R, G Immunostimulatory One of the most consistent themes; fucoidan enhances innate immune responses in tumor-bearing animal models.
2 NF-κB inflammatory / survival signaling NF-κB ↓; cytokines ↓ (reported) Inflammatory tone modulation R, G Anti-inflammatory / anti-survival Suppression of NF-κB contributes to reduced tumor-promoting inflammation and survival signaling.
3 PI3K → AKT signaling PI3K/AKT ↓; proliferation ↓ (model-dependent) ↔ R, G Growth signaling suppression Reported in multiple cancer cell models; often secondary to upstream immune or redox modulation.
4 Intrinsic apoptosis (mitochondrial pathway) Caspases ↑; Bax ↑; Bcl-2 ↓ (reported) Minimal apoptosis in normal cells (dose-dependent) G Apoptotic induction Apoptosis frequently reported in vitro; magnitude depends on molecular weight and sulfation.
5 Angiogenesis (VEGF signaling) VEGF ↓; angiogenesis ↓ (reported) ↔ G Anti-angiogenic Anti-angiogenic activity is one of the more reproducible findings in preclinical systems.
6 Metastasis / adhesion (selectins, ECM interaction) Tumor adhesion ↓; invasion ↓ (reported) ↔ G Anti-metastatic Sulfated structure may interfere with selectin-mediated adhesion and tumor cell migration.
7 ROS / redox modulation ROS modulation (context-dependent) Antioxidant protection reported P, R Redox modulation (secondary) Fucoidan is not a primary pro-oxidant; redox effects appear secondary to signaling changes.
8 Chemo / radiation synergy Sensitization ↑ (reported in models) ↔ G Adjunct potential May enhance cytotoxic therapy response; evidence largely preclinical.
9 Warburg metabolism Indirect modulation (not a primary glycolysis inhibitor) ↔ R Metabolic secondary effect Metabolic changes likely downstream of survival pathway suppression rather than direct glycolysis blockade.
10 Bioavailability / heterogeneity constraint Effects vary by molecular weight and source Generally well tolerated orally — Translation constraint Composition varies widely by seaweed species and extraction method; standardization is critical.

TSF: P = 0–30 min (surface receptor interactions), R = 30 min–3 hr (immune and signaling shifts), G = >3 hr (apoptosis, angiogenesis, immune outcomes).



PARP, poly ADP-ribose polymerase (PARP) cleavage: Click to Expand ⟱
Source:
Type:
Poly (ADP-ribose) polymerase (PARP) cleavage is a hallmark of caspase activation. PARP (Poly (ADP-ribose) polymerase) is a family of proteins involved in a variety of cellular processes, including DNA repair, genomic stability, and programmed cell death. PARP enzymes play a crucial role in repairing single-strand breaks in DNA.
PARP has gained significant attention, particularly in the treatment of certain types of tumors, such as those with BRCA1 or BRCA2 mutations. These mutations impair the cell's ability to repair double-strand breaks in DNA through homologous recombination. Cancer cells with these mutations can become reliant on PARP for survival, making them particularly sensitive to PARP inhibitors.
PARP inhibitors, such as olaparib, rucaparib, and niraparib, have been developed as targeted therapies for cancers associated with BRCA mutations.

PARP Family:
The poly (ADP-ribose) polymerases (PARPs) are a family of enzymes involved in a number of cellular processes, including DNA repair, genomic stability, and programmed cell death.
PARP1 is the predominant family member responsible for detecting DNA strand breaks and initiating repair processes, especially through base excision repair (BER).

PARP1 Overexpression:
In several cancer types—including breast, ovarian, prostate, and lung cancers—elevated PARP1 expression and/or activity has been reported.
High PARP1 expression in certain cancers has been associated with aggressive tumor behavior and resistance to therapies (especially those that induce DNA damage).
Increased PARP1 activity may correlate with poorer overall survival in tumors that rely on DNA repair for survival.
Scientific Papers found: Click to Expand⟱
1155- F,    The anti-cancer effects of fucoidan: a review of both in vivo and in vitro investigations
- Review, NA, NA
*toxicity↓, Casp3↑, Casp7↑, Casp8↑, Casp9↑, VEGF↓, angioG↓, PI3K↓, Akt↓, PARP↑, Bak↑, BID↑, Fas↑, Mcl-1↓, survivin↓, XIAP↓, ERK↓, EMT↓, EM↑, IM↓, Snail↓, Slug↓, Twist↓,

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:


Mitochondria & Bioenergetics ⓘ

XIAP↓, 1,  

Cell Death ⓘ

Akt↓, 1,   Bak↑, 1,   BID↑, 1,   Casp3↑, 1,   Casp7↑, 1,   Casp8↑, 1,   Casp9↑, 1,   Fas↑, 1,   Mcl-1↓, 1,   survivin↓, 1,  

DNA Damage & Repair ⓘ

PARP↑, 1,  

Proliferation, Differentiation & Cell State ⓘ

EMT↓, 1,   ERK↓, 1,   PI3K↓, 1,  

Migration ⓘ

EM↑, 1,   Slug↓, 1,   Snail↓, 1,   Twist↓, 1,  

Angiogenesis & Vasculature ⓘ

angioG↓, 1,   VEGF↓, 1,  

Cellular Microenvironment ⓘ

IM↓, 1,  
Total Targets: 22

Pathway results for Effect on Normal Cells:


Functional Outcomes ⓘ

toxicity↓, 1,  
Total Targets: 1

Scientific Paper Hit Count for: PARP, poly ADP-ribose polymerase (PARP) cleavage
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#:81  Target#:239  State#:%  Dir#:%
  wNotes=0  sortOrder:rid,rpid

 

Home Page