Vitamin B12 / MCP1/CCL2 Cancer Research Results

VitB12, Vitamin B12: Click to Expand ⟱
Features:

Vitamin B12 = cobalamin (water-soluble vitamin; forms: methylcobalamin, adenosylcobalamin, cyanocobalamin, hydroxocobalamin). Sources: animal-derived foods; requires intrinsic factor–mediated absorption; transport via transcobalamin (TCII). Primary mechanisms (ranked):
1) Methionine synthase cofactor → homocysteine → methionine → SAM → DNA/RNA/histone methylation (one-carbon metabolism integration).
2) Methylmalonyl-CoA mutase cofactor → odd-chain FA / branched-chain AA metabolism; mitochondrial anaplerosis support.
3) Genome stability support (via nucleotide synthesis + methylation balance).
Bioavailability/PK relevance: Active absorption saturable (~1–2 µg/meal via IF); passive diffusion at high oral doses (~1%); serum levels tightly regulated; intracellular utilization depends on TCII uptake and lysosomal processing.
In-vitro vs oral exposure: Most cancer cell studies use supraphysiologic cobalamin or manipulate one-carbon flux; effects typically reflect methylation / nucleotide synthesis dependency rather than direct cytotoxicity.
Clinical evidence status: Essential nutrient; deficiency correction clearly beneficial; no established anticancer efficacy; epidemiology mixed (very high serum B12 sometimes correlates with cancer presence—likely reverse causality/biomarker phenomenon rather than causation).

Helps make red blood cells, metabolize food and prevent nerve damage.

Vitamin B12 (Cobalamin) — Cancer vs Normal Pathway Effects

Rank Pathway / Axis Cancer Cells (↑ / ↓ / ↔) Normal Cells (↑ / ↓ / ↔) TSF Primary Effect Notes / Interpretation
1 One-carbon metabolism (Methionine synthase → SAM) ↑ methylation capacity; ↑ nucleotide synthesis (proliferation support) ↑ genome stability; ↑ normal DNA synthesis R→G Methyl donor cycling Supports SAM production; in rapidly dividing tumors may facilitate growth if not limiting.
2 DNA methylation / Epigenetics ↔ / ↑ (context-dependent; can restore normal methylation if deficient) ↑ methylation homeostasis G Epigenetic stability Deficiency → hypomethylation/genomic instability; supplementation restores baseline rather than inducing supraphysiologic hypermethylation in most settings.
3 Nucleotide synthesis (via folate cycle coupling) ↑ proliferation support (if B12 limiting) ↑ normal hematopoiesis R→G DNA replication capacity Mechanistically linked to folate; deficiency leads to megaloblastic anemia.
4 Mitochondrial metabolism (Methylmalonyl-CoA mutase) ↔ (supports baseline metabolism) ↑ mitochondrial function R Anaplerotic support Prevents methylmalonic acid accumulation; preserves mitochondrial efficiency.
5 ROS ↔ (indirect) ↓ oxidative stress (deficiency correction) R Redox balance (secondary) Effects mediated through improved mitochondrial and methylation balance.
6 NRF2 ↔ (no direct axis) ↔ G Adaptive response (indirect) No primary NRF2-targeting activity established.
7 Ca2+ ↔ ↔ P Not a core pathway No meaningful Ca²⁺ modulation axis.
8 HIF-1α / Warburg ↔ (indirect via proliferation capacity) ↔ G Metabolic permissiveness No direct hypoxia pathway targeting; effects are permissive rather than suppressive.
9 Ferroptosis ↔ ↔ R Not established No defined ferroptotic mechanism.
10 Clinical Translation Constraint Essential nutrient; correction of deficiency critical. No validated anticancer benefit; very high serum B12 often reflects disease state rather than supplementation causality. — Evidence Interpret epidemiologic associations cautiously (reverse causation common).

TSF legend: P: 0–30 min | R: 30 min–3 hr | G: >3 hr
MCP1/CCL2, CCL2,monocyte chemotactic protein-1: Click to Expand ⟱
Source:
Type:
MCP-1 (Monocyte Chemoattractant Protein-1, also known as CCL2)
MCP-1/CCL2 is a chemokine involved in recruiting monocytes, memory T cells, and dendritic cells to sites of inflammation.
– It plays a key role in mediating immune cell trafficking, inflammation, and tissue remodeling. MCP-1 is pivotal in inflammatory responses and can modulate immune cell infiltration into tissues.
– It also influences the polarization of macrophages, which may adopt pro-inflammatory (M1) or anti-inflammatory/pro-tumoral (M2) roles.

Many cancers (such as breast, prostate, ovarian, lung, and colon cancers) exhibit increased levels of MCP-1.
– Both tumor cells and associated stromal cells (e.g., cancer-associated fibroblasts, infiltrating immune cells) can produce MCP-1, contributing to an inflammatory milieu.

• Inducers of MCP-1:
– Hypoxia, oncogenic pathways, and cytokine-rich environments (e.g., IL-1β, TNF-α) can drive increased MCP-1 expression.
– This upregulation often correlates with an ongoing inflammatory response in the tumor microenvironment.
Scientific Papers found: Click to Expand⟱
6962- FA,  VitB12,    Effects of Folic Acid and Vitamin B12, Alone and in Combination on Cognitive Function and Inflammatory Factors in the Elderly with Mild Cognitive Impairment: A Single-blind Experimental Design
- Trial, AD, NA
*Hcy/homoC↝, *IL6↓, *TNF-α↓, *MCP1/CCL2↝, *eff↑, *cognitive↑, *Inflam↓,

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:


Immune & Inflammatory Signaling(tgid=16) ⓘ

IL6↓, 1,   Inflam↓, 1,   MCP1/CCL2↝, 1,   TNF-α↓, 1,  

Drug Metabolism & Resistance(tgid=21) ⓘ

eff↑, 1,  

Clinical Biomarkers(tgid=22) ⓘ

Hcy/homoC↝, 1,   IL6↓, 1,  

Functional Outcomes(tgid=23) ⓘ

cognitive↑, 1,  
Total Targets: 8

Scientific Paper Hit Count for: MCP1/CCL2, CCL2,monocyte chemotactic protein-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:%  Cells:%  prod#:165  Target#:990  State#:%  Dir#:4
  wNotes=0  sortOrder:rid,rpid

 

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