Sulfasalazine / Diff Cancer Research Results

SAS, Sulfasalazine: Click to Expand ⟱

Features:

Sulfasalazine is primarily known as an anti-inflammatory and disease‐modifying antirheumatic drug (DMARD), used for conditions such as rheumatoid arthritis and inflammatory bowel diseases (e.g., ulcerative colitis).

-Inhibit the nuclear factor kappa B (NF-κB) pathway.
-Sulfasalazine has been noted to interfere with the cystine/glutamate antiporter (system x_c⁻), which can reduce glutathione levels in cancer cells, potentially making them more susceptible to oxidative stress.

-Ability to inhibit anti-oxidant production (for ProOxidant effect).

Rank	Pathway / Target Axis	Direction	Primary Effect	Notes / Cancer Relevance	Ref
1	System xC− (xCT/SLC7A11 cystine–glutamate antiporter)	↓ cystine uptake	Limits cystine supply	Sulfasalazine is used as an xCT inhibitor; blocking cystine uptake is the core upstream action in cancer models	(ref)
2	Glutathione biosynthesis / GSH pool	↓ GSH	Loss of redox buffering	In glioma cells, cystine uptake blockade by sulfasalazine leads to glutathione depletion	(ref)
3	ROS accumulation	↑ ROS	Oxidative stress amplification	Glioma study: sulfasalazine increases ROS after GSH depletion (mechanistic sequence shown)	(ref)
4	DNA damage (oxidative/genotoxic stress)	↑ DNA damage	Checkpoint/death signaling	Glioma study: sulfasalazine causes DNA damage as part of the ROS-driven cytotoxic cascade	(ref)
5	Radiosensitization (oxidative vulnerability)	↑ radiation sensitivity	Enhances radiotherapy effect	Melanoma model: sulfasalazine decreases glutathione and synergistically enhances X-irradiation cytotoxicity	(ref)
6	Ferroptosis (system xC− → GSH/GPX4 vulnerability)	↑ ferroptotic death	Iron-dependent oxidative death	Paclitaxel-resistant uterine serous carcinoma model: sulfasalazine (xCT inhibitor) induces ferroptotic cell death signatures	(ref)
7	Mitochondrial apoptosis (caspase pathway)	↑ apoptosis	Programmed cell death	Osteosarcoma work: sulfasalazine blocks system xC− and induces cell death consistent with ferroptosis/apoptosis programs (apoptosis markers reported in the paper’s mechanism set)	(ref)
8	NF-κB activation (IκBα degradation / IKK activity)	↓ NF-κB activation	Reduced pro-survival/inflammatory transcription	Mechanistic paper shows sulfasalazine blocks NF-κB activation by inhibiting IκBα degradation via IKK inhibition	(ref)
9	NF-κB nuclear translocation	↓ nuclear NF-κB	Transcriptional shutdown	Colon cancer cells: sulfasalazine prevents TNFα-induced NF-κB nuclear translocation and NF-κB–dependent transcription	(ref)
10	Chemo-sensitization via xCT inhibition	↑ chemo sensitivity (context-dependent)	Combination benefit	Mechanistic rationale: xCT inhibition lowers GSH and oxidative defense, increasing sensitivity to cytotoxic stress (glioma + radiation shown explicitly)	(ref)
11	Tumor growth suppression in vivo (xCT-targeted stress)	↓ tumor growth	Anti-tumor efficacy	Glioma xenograft model: sulfasalazine plus radiosurgery improves survival compared to control/monotherapy	(ref)
12	Resistance axis: xCT-high / antioxidant-high tumors	↑ vulnerability when xCT-high	Targeted susceptibility	Endometrial/USC model: sulfasalazine shows stronger cytotoxicity in resistant (stress-adapted) cells consistent with xCT dependence	(ref)

Diff, differentiation: Click to Expand ⟱

Source:

Type:

Differentiation refers to the process by which cells become specialized in structure and function.
-In healthy tissues, cells undergo differentiation to become specialized types (e.g., muscle cells, neurons, blood cells) that perform specific functions. This process is tightly regulated by genetic and epigenetic factors.
-In some cases, cells can lose their specialized characteristics, a process known as dedifferentiation. This is often seen in cancer, where tumor cells revert to a more primitive, less differentiated state.

Scientific Papers found: Click to Expand⟱

5045-

SAS,

Sulfasalazine, a potent cystine-glutamate transporter inhibitor, enhances osteogenic differentiation of canine adipose-derived stem cells

in-vivo,

Var,

50 µM and 100 µM

xCT↓, GSH↓, BMPs↑, Diff↑,

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:

Redox & Oxidative Stress ⓘ

GSH↓, 1, xCT↓, 1,

Proliferation, Differentiation & Cell State ⓘ

Diff↑, 1,

Clinical Biomarkers ⓘ

BMPs↑, 1,
Total Targets: 4

Pathway results for Effect on Normal Cells:

Total Targets: 0

Scientific Paper Hit Count for: Diff, differentiation

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