LC3‑Ⅱ/LC3‑Ⅰ Cancer Research Results

LC3‑Ⅱ/LC3‑Ⅰ, ratio of LC3‑Ⅱ/LC3‑Ⅰ: Click to Expand ⟱

Source:

Type: marker

The ratio of LC3-II to LC3-I is often used as a marker for autophagy, a cellular process in which cells recycle their damaged or dysfunctional components. In cancer, autophagy can play a complex role, and the LC3-II/LC3-I ratio can be used to assess autophagic activity.
Many cancers, have an increased LC3-II/LC3-I ratio indicating enhanced autophagy, which can support tumor cell survival, especially under stress conditions (e.g., nutrient deprivation, hypoxia). This is often associated with poor prognosis and treatment resistance.
Cell Survival: Increased autophagy, as indicated by a higher LC3-II/LC3-I ratio, can help cancer cells survive in adverse conditions, contributing to tumor growth and metastasis.
Therapeutic Resistance: Elevated autophagy can lead to resistance against chemotherapy and targeted therapies, as cancer cells may utilize autophagy to survive treatment-induced stress.
Metabolic Adaptation: Autophagy allows cancer cells to adapt to metabolic stress by recycling cellular components, which can support continued proliferation and survival.

Scientific Papers found: Click to Expand⟱

5271-

3BP,

The anticancer agent 3-bromopyruvate: a simple but powerful molecule taken from the lab to the bedside

Review,

Var,

selectivity↑, 3-bromopyruvate (3BP), a simple alkylating chemical compound was presented to the scientific community as a potent anticancer agent, able to cause rapid toxicity to cancer cells without bystander effects on normal tissues.
selectivity↑, results obtained in cancer research with this small molecule have contradicted the just noted general fear. Indeed, a promising drug has been revealed with an effective mechanism of action and an outstanding selectivity towards cancer cells
ATP↓, once inside cancer cells 3BP can then inhibit both of their energy (ATP) producing systems, i.e., glycolysis, likely by inhibiting hexokinase-2 (hk-2) and mitochondrial oxidative phosphorylation
Glycolysis↓,
HK2↓,
mt-OXPHOS↓,
GAPDH↓, Different reports have shown that 3BP is able to inhibit GAPDH activity leading to the loss of the ATP-producing steps that occur downstream of this enzyme
mtDam↑, Mitochondria related cell death has also been reported following 3BP treatment.
GSH↓, Ehrke and co-workers have demonstrated that 3BP inhibits glycolysis and deplete the glutathione levels in primary rat astrocytes
ROS↑, Others have also observed an increase in ROS levels following 3BP treatment that induces endoplasmic reticulum stress
ER Stress↑,
TumAuto↑, Autophagy has been associated with 3BP activity in breast cancer cell lines (Zhang et al., 2014),
LC3‑Ⅱ/LC3‑Ⅰ↑, 3BP leads to aggressive autophagy involving a decrease in the ratio of LC3I/LC3II and the levels of p62 as well as dephosphorylation of Akt and p53.
p62↓,
Akt↓,
HDAC↓, 3BP’s, it has been reported to be involved in suppressing epigenetic events as it inhibits histone deacetylase (HDAC) isoforms 1 and 3 in MCF-7 breast cancer cells leading to apoptosis
TumCA↑, Proliferation inhibition by 3BP treatment has also been related with the induction of S-phase and G2/M- phase arrest (Liu et al. 2009)
Bcl-2↓, downregulation of the expression of Bcl-2, c-Myc and mutant p53, the upregulation of Bax, activation of caspase-3 and mitochondrial leakage of cytochrome c
cMyc↓,
Casp3↑,
Cyt‑c↑,
Mcl-1↓, mitochondria mediated apoptosis triggered by 3BP was found to be associated with the downregulation of Mcl-1 through the phosphoinositide-3-kinase/Akt pathway (Liu et al. 2014).
PARP↓, 3BP treatment decreases the levels of poly(ADP-ribose) polymerase (PARP) and cleaved PARP.
ChemoSen↑, it might be a good adjuvant for commonly used chemotherapy agents, or a replacement for such agents.

1069-

AL,

Allicin promotes autophagy and ferroptosis in esophageal squamous cell carcinoma by activating AMPK/mTOR signaling

vitro+vivo,

ESCC,

TE1

10 mg/kg

12.03 μg/mL

mice

vitro+vivo,

ESCC,

KYSE-510

16.76 μg/mL

in-vitro,

Nor,

Het-1A

>160 μg/mL

TumCP↓,
LC3‑Ⅱ/LC3‑Ⅰ↑,
p62↓,
p‑AMPK↑,
mTOR↓,
TumAuto↑,
NCOA4↑,
MDA↑,
Iron↑, elevated malondialdehyde and Fe2+ production levels
TumW↓,
TumVol↓,
ATG5↑,
ATG7↑,
TfR1/CD71↓,
FTH1↓, suppressed the expression of ferritin heavy chain 1 (the major intracellular iron-storage protein)
ROS↑,
Iron↑,
Ferroptosis↑,
*toxicity↓, 80 μg/mL allicin for 24 h did not change the viability of Het-1A cells. A slight reduction in cell viability was observed when Het-1A cells were treated with 160 μg/mL allicin for 24 h

5838-

CAP,

Capsaicin Induces Autophagy and Apoptosis in Human Nasopharyngeal Carcinoma Cells by Downregulating the PI3K/AKT/mTOR Pathway

in-vitro,

NPC,

TumCG↓, Exposure to capsaicin inhibited cancer cell growth and increased G1 phase cell cycle arrest.
TumCCA↑,
TumAuto↑, induced autophagy via involvement of the class III PI3K/Beclin-1/Bcl-2 signaling pathway.
Casp3↑, increasing caspase-3 activity to induce apoptosis
Ca+2↑, involves increased intracellular Ca2+ levels [19,24], the generation of reactive oxygen species
ROS↑,
MMP↓, disruption of mitochondrial membrane potential
LC3‑Ⅱ/LC3‑Ⅰ↑, Capsaicin Upregulates LC3-II and Atg5 Expression and Downregulates p62 and Fap-1 Expression in NPC-TW01 Cells
ATG5↑,
p62↓,
Fap1↓,
PI3K↓, Capsaicin Inhibits PI3K Expression and the Phosphorylation of Downstream Effectors of the PI3K/Akt/mTOR Pathway in NPC-TW01 Cells
DNAdam↑, have found that capsaicin may induce DNA and chromosomal damage in human lung (A549) and prostate (DU145) cancer cells

1585-

Citrate,

Sodium citrate targeting Ca2+/CAMKK2 pathway exhibits anti-tumor activity through inducing apoptosis and ferroptosis in ovarian cancer

in-vitro,

Ovarian,

SKOV3

15.93 mM

in-vitro,

Ovarian,

A2780S

16.8 mM

in-vitro,

Nor,

HEK293

Apoptosis↑,
Ferroptosis↑,
Ca+2↓, Sodium citrate chelates intracellular Ca2+
CaMKII ↓, inhibits the CAMKK2/AKT/mTOR/HIF1α-dependent glycolysis pathway, thereby inducing cell apoptosis.
Akt↓,
mTOR↓,
Hif1a↓,
ROS↑, Inactivation of CAMKK2/AMPK pathway reduces Ca2+ level in the mitochondria by inhibiting the activity of the MCU, resulting in excessive ROS production.
ChemoSen↑, Sodium citrate increases the sensitivity of ovarian cancer cells to chemo-drugs
Casp3↑,
Casp9↑,
BAX↑,
Bcl-2↓,
Cyt‑c↑, co-localization of cytochrome c and Apaf-1
GlucoseCon↓, glucose consumption, lactate production and pyruvate content were significantly reduced
lactateProd↓,
Pyruv↓,
GLUT1↓, sodium citrate decreased both mRNA and protein expression levels of glycolysis-related proteins such as Glut1, HK2 and PFKP
HK2↓,
PFKP↓,
Glycolysis↓, sodium citrate inhibited glycolysis of SKOV3 and A2780 cells
Hif1a↓, HIF1α expression was decreased significantly after sodium citrate treatment
p‑Akt↓, phosphorylation of AKT and mTOR was notably suppressed after sodium citrate treatment.
p‑mTOR↓,
Iron↑, ovarian cancer cells treated with sodium citrate exhibited higher Fe2+ levels, LPO levels, MDA levels, ROS and mitochondrial H2O2 levels
lipid-P↑,
MDA↑,
ROS↑,
H2O2↑,
mtDam↑, shrunken mitochondria, an increase in mitochondrial membrane density and disruption of mitochondrial cristae
GSH↓, (GSH) levels, GPX activity and expression levels of GPX4 were significantly reduced in SKOV3 and A2780 cells with sodium citrate treatment
GPx↓,
GPx4↓,
NADPH/NADP+↓, significant elevation in the NADP+/NADPH ratio was observed with sodium citrate treatment
eff↓, Fer-1, NAC and NADPH significantly restored the cell viability inhibited by sodium citrate
FTH1↓, decreased expression of FTH1
LC3‑Ⅱ/LC3‑Ⅰ↑, sodium citrate increased the conversion of cytosolic LC3 (LC3-I) to the lipidated form of LC3 (LC3-II)
NCOA4↑, higher levels of NCOA4
eff↓, test whether Ca2+ supplementation could rescue sodium citrate-induced ferroptosis. The results showed that Ca2+ dramatically reversed the enhanced levels of MDA, LPO and ROS triggered by sodium citrate
TumCG↓, sodium citrate inhibited tumor growth by chelation of Ca2+ in vivo

1580-

Citrate,

Citrate activates autophagic death of prostate cancer cells via downregulation CaMKII/AKT/mTOR pathway

in-vitro,

Pca,

PC3

 (0-3 mM)

in-vivo,

PC,

50 mg/kg/day, i.p.)

in-vitro,

Pca,

LNCaP

in-vitro,

Pca,

WPMY-1

 (0-3 mM)

Apoptosis↑,
Ca+2↓, Ca2+-chelating property of citrate
Akt↓, downregulation CaMKII/AKT/mTOR pathway
mTOR↓,
selectivity↑, citrate (0-3 mM) did not affect the cell growth of normal prostate epithelial cells (WPMY-1).
TumCP↓, also verified that citrate significantly inhibited the proliferation of PCa cells (PC3 and LNCaP).
cl‑Casp3↑,
cl‑PARP↑, increased the levels of Cleaved caspase3 and Cleaved PARP in prostate cancer cells
LC3‑Ⅱ/LC3‑Ⅰ↑, ratio of LC3-II/I was markedly increased and the expression of p62 was significantly decreased after the treatment of citrate in PCa cells (PC3 and LNCaP).
p62↓,
ATG5↑, citrate also promoted the protein expression of Atg5, Atg7 and Beclin-1 in PCa cells (PC3 and LNCaP).
ATG7↑,
Beclin-1↑,
TumAuto↑, citrate induces autophagy of prostate cancer cells
CaMKII ↓, citrate suppresses the activation of the CaMKI

471-

CUR,

Curcumin induces apoptotic cell death and protective autophagy by inhibiting AKT/mTOR/p70S6K pathway in human ovarian cancer cells

in-vitro,

Ovarian,

SKOV3

5, 10, 20, 40 and 80 μM, 24, 48 and 72 h

in-vitro,

Ovarian,

A2780S

Apoptosis↑,
TumAuto↑,
p62↓,
p‑Akt↓,
p‑mTOR↓,
p‑P70S6K↓,
Casp9↑,
PARP↑,
ATG3↑,
Beclin-1↑,
LC3‑Ⅱ/LC3‑Ⅰ↑,

477-

CUR,

Curcumin induces G2/M arrest and triggers autophagy, ROS generation and cell senescence in cervical cancer cells

in-vitro,

Cerv,

SiHa

5, 15, 30 and 50 µM, 6, 12, 24 and 48 h

TumCP↓,
TumCCA↑, Inducing G2/M cell cycle arrest
Apoptosis↑,
TumAuto↑,
CycB/CCNB1↓, cyclins B1
CDC25↓,
ROS↑,
p62↑,
LC3‑Ⅱ/LC3‑Ⅰ↑,
cl‑Casp3↑,
cl‑PARP↑,
P53↑,
P21↑,

435-

CUR,

Antitumor activity of curcumin by modulation of apoptosis and autophagy in human lung cancer A549 cells through inhibiting PI3K/Akt/mTOR pathway

in-vitro,

Lung,

A549

5, 10, 20 and 40 μM, 24, 48, 72 and 96 h

Apoptosis↑,
TumAuto↑,
LC3‑Ⅱ/LC3‑Ⅰ↑,
Beclin-1↑,
p62↓,
PI3K↓,
Akt↓,
mTOR↓,
p‑Akt↓,
p‑mTOR↓,

1970-

GamB,

Gambogic acid-induced autophagy in nonsmall cell lung cancer NCI-H441 cells through a reactive oxygen species pathway

NA,

Lung,

NCI-H441

TumCG↓, NCI‑H441 is a human lung adenocarcinoma cell line that is widely used as a model system for studying pulmonary epithelial functions, particularly those of alveolar type II cells.
TumAuto↑, GA induced NCI-H441 cells autophagy
Beclin-1↑, upregulation of Beclin 1
LC3‑Ⅱ/LC3‑Ⅰ↑, conversion of LC3 I to LC3 II (autophagosome marker)
ROS↑, generated ROS
eff↓, ROS scavenger N-acetylcysteine reversed GA-induced autophagy and restored the cell survival, which indicated GA-induced autophagy in NCI-H441 cells through an ROS-dependent pathway.

2507-

H2,

Hydrogen protects against chronic intermittent hypoxia induced renal dysfunction by promoting autophagy and alleviating apoptosis

in-vivo,

NA,

Sprague-Dawley rats

*RenoP↑, We demonstrated that rats who inhale hydrogen gas showed improved renal function, alleviated pathological damage, oxidative stress and apoptosis in CIH rats.
*ROS↓,
*Apoptosis↓,
*ER Stress↓, endoplasmic reticulum stress was decreased by H2 as the expressions of CHOP, caspase-12, and GRP78 were down-regulated
*CHOP↓,
*Casp12↓,
*GRP78/BiP↓,
*LC3‑Ⅱ/LC3‑Ⅰ↑, higher levels of LC3-II/I ratio and Beclin-1, with decreased expression of p62, were found after H2 administrated.
*Beclin-1↑,
*p62↓,
*mTOR↓, Inhibition of mTOR may be involved in the upregulation of autophagy by H2

1627-

HCA,

CRMs,

Sper,

Caloric Restriction Mimetics Enhance Anticancer Immunosurveillance

Review,

Var,

ChemoSen↑, short-term fasting or autophagy-inducing caloric restriction mimetics, such as hydroxycitrate and spermidine, improves the antitumor efficacy of chemotherapy in vivo
eff↑, combination of MTX and HC (but neither of these two agents alone) markedly reduced the frequency of tumor-infiltrating CD4+CD25+Foxp3+ Tregs
ACLY↓, HC acts as a competitive inhibitor of the ATP citrate lyase (ACLY)
LC3‑Ⅱ/LC3‑Ⅰ↑, ACLY inhibitors (SB-204990, BMS-303141) stimulated autophagic flux in cultured cancer cells, as indicated by the autophagy-associated conversion of LC3 I to LC3 II
TumAuto↑, starvation can enhance chemotherapy-induced immunosurveillance in an autophagy-dependent fashion.
other↓, causes Treg depletion, which in turn improves immunosurveillance against KRas-induced neoplasia.

2076-

PB,

Sodium Butyrate Induces Endoplasmic Reticulum Stress and Autophagy in Colorectal Cells: Implications for Apoptosis

in-vitro,

CRC,

HCT116

0-5mM

in-vitro,

CRC,

HT29

TumCP↓, Sodium butyrate suppressed colorectal cancer cell proliferation, induced autophagy, and resulted in apoptotic cell death
TumAuto↑,
Apoptosis↑,
ER Stress↑, sodium butyrate treatment markedly enhanced the expression of endoplasmic reticulum stress-associated proteins, including BIP, CHOP, PDI, and IRE-1a.
BID↑,
CHOP↑,
PDI↑,
IRE1↓,
LC3‑Ⅱ/LC3‑Ⅰ↑, A marked conversion of free LC3-I to heavier lipid bound LC3-II was detected after exposing HCT-116 (Fig 3A) and HT-29 (Fig 3B) cells to 2mM sodium butyrate for 24 h
LC3B↑, mRNA levels of Beclin 1 and LC3B, but not ATG3, significantly increased with increasing doses of NaBu
Beclin-1↑,
other↝, These results strongly suggested that NaB induced autophagy was mediated by ER stress in CRC cells.
other↝, Inhibition of autophagy enhanced NaB-induced apoptotic cell death

4862-

Uro,

Neuroprotective effect of Urolithin A via downregulating VDAC1-mediated autophagy in Alzheimer's disease

in-vivo,

AD,

mice

in-vitro,

Nor,

PC12

*cognitive↑, UA improved cognitive dysfunction and reduced Aβ deposition in APP/PS1 mice
*p‑PI3K↓, UA down-regulated the phosphorylation level of PI3K/AKT/mTOR and up-regulated the phosphorylation level of AMPK
*p‑Akt↓,
*AMPK↑,
*VDAC1↓, UA down-regulated VDAC1
*neuroP↑, These findings demonstrated that UA down-regulated VDAC1 played a key neuroprotective role on AD by inhibiting the PI3K/AKT/mTOR pathway and activating the AMPK pathway to promote autophagy.
*PARK2↑, Mechanistically, UA may increase the expression of Parkin (Parkinson’s disease related-1) and PINK1 (PTEN induced kinase 1), and the LC3BII/I
*PTEN↑,
*LC3‑Ⅱ/LC3‑Ⅰ↑,
*p62↓, by inhibiting VDAC1, and reduce the expression level of p62, activating autophagy.
*Aβ↓, UA treatment significantly decreased the number of Aβ plaques in the hippocampus of APP/PS1 mice compared with APP/PS1 mice
*Apoptosis↓, UA inhibits Aβ-induced apoptosis and promotes autophagy

Showing Research Papers: 1 to 13 of 13

* indicates research on normal cells as opposed to diseased cells
Total Research Paper Matches: 13

Pathway results for Effect on Cancer / Diseased Cells:

Functional Outcomes ⓘ

TumVol↓, 1, TumW↓, 1,
Total Targets: 83

Pathway results for Effect on Normal Cells:

Redox & Oxidative Stress ⓘ

PARK2↑, 1, ROS↓, 1, VDAC1↓, 1,

Core Metabolism/Glycolysis ⓘ

AMPK↑, 1,

Cell Death ⓘ

p‑Akt↓, 1, Apoptosis↓, 2, Casp12↓, 1,

Protein Folding & ER Stress ⓘ

CHOP↓, 1, ER Stress↓, 1, GRP78/BiP↓, 1,

Autophagy & Lysosomes ⓘ

Beclin-1↑, 1, LC3‑Ⅱ/LC3‑Ⅰ↑, 2, p62↓, 2,

Proliferation, Differentiation & Cell State ⓘ

mTOR↓, 1, p‑PI3K↓, 1, PTEN↑, 1,

Protein Aggregation ⓘ

Aβ↓, 1,

Functional Outcomes ⓘ

cognitive↑, 1, neuroP↑, 1, RenoP↑, 1, toxicity↓, 1,
Total Targets: 21

Scientific Paper Hit Count for: LC3‑Ⅱ/LC3‑Ⅰ, ratio of LC3‑Ⅱ/LC3‑Ⅰ

3 Curcumin
2 Citric Acid
1 3-bromopyruvate
1 Allicin (mainly Garlic)
1 Capsaicin
1 Gambogic Acid
1 Hydrogen Gas
1 HydroxyCitric Acid
1 Calorie Restriction Mimetics
1 Spermidine
1 Phenylbutyrate
1 Urolithin

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#:%  Target#:685  State#:%  Dir#:2
  wNotes=on  sortOrder:rid,rpid

LC3‑Ⅱ/LC3‑Ⅰ Cancer Research Results

Pathway results for Effect on Cancer / Diseased Cells:

Redox & Oxidative Stress ⓘ

Metal & Cofactor Biology ⓘ

Mitochondria & Bioenergetics ⓘ

Core Metabolism/Glycolysis ⓘ

Cell Death ⓘ

Kinase & Signal Transduction ⓘ

Transcription & Epigenetics ⓘ

Protein Folding & ER Stress ⓘ

Autophagy & Lysosomes ⓘ

DNA Damage & Repair ⓘ

Cell Cycle & Senescence ⓘ

Proliferation, Differentiation & Cell State ⓘ

Migration ⓘ

Angiogenesis & Vasculature ⓘ

Barriers & Transport ⓘ

Drug Metabolism & Resistance ⓘ

Functional Outcomes ⓘ

Pathway results for Effect on Normal Cells:

Redox & Oxidative Stress ⓘ

Core Metabolism/Glycolysis ⓘ

Cell Death ⓘ

Protein Folding & ER Stress ⓘ

Autophagy & Lysosomes ⓘ

Proliferation, Differentiation & Cell State ⓘ

Protein Aggregation ⓘ

Functional Outcomes ⓘ

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