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Table 7 Anticancer properties of propolis ethanol, water, methanol and hydroalcholic extracts (EE, WE, ME and HAE, respectively) and their isolated compounds

From: Propolis: An update on its chemistry and pharmacological applications

Compound/extract

Model

Concentration/dose

Study type

Mechanism

Origin

References

Hyperibone A

HeLa tumor cells

IC50 = 0.18 µM

In vitro

Cytotoxic

Brazil

[95]

Nemorosone

HeLa tumor cells

IC50 = 3.3 µM

In vitro

Cuba

[95]

Luteolin

Human colon cancer (HCT-116)

IC50 = 115.68 μM

In vitro

Cytotoxic/apoptosis

Serbia

[96]

Luteolin

Human triple negative breast cancer (MDA-MB-231) cell lines

IC50 = 66.86 μM

In vitro

Myricetin

Human triple negative breast cancer (MDA-MB-231) cell lines

IC50 = 114.75 μM

In vitro

Inhibition of cell growth and apoptosis

Galangin

Human colon cancer and human triple negative breast cancer cell lines

IC50 = 50 μM

In vitro

Apoptosis

EE

glioblastoma cells cancer line

IC50 = 92.2 µg/mL

In vitro

Cytotoxic

Mexico

[98]

(7′′R)-8-[1-(4′-Hydroxy-3′-methoxyphenyl) prop-2-en-1-yl] galangin

PANC-1 humanpancreatic cell line

IC50 = 4.6 μM

In vitro

Apoptosis-like morphological changes/Cytotoxic

[97]

Chrysin, pinobanksin, pinobanksin-3-O-propanoate, pinobanksin-3-O-butyrate, pinobanksin-3-O-pentanoate, pinobanksin-3-O-hexanoate

B-cell lymphoma cell line

IC50 = 49.1 µM; 52.1 µM; 67.0 µM; 49.9 µM; 51.3 µM; 76.6 µM

In vitro

Antiproliferative activity through apoptotic induction

Sonaran

[99]

Turkish propolis EE

Human adenocarcinomic alveolar basal epithelial (A549) cancer

IC50 = 31.7 µg/mL

In vitro

Cell cycle arrest (G1 phase), induction of endoplasmic reticulum stress, caspase activity, and apoptosis; decrease ofmitochondrial membrane potential

Turky

[100]

Turkish EE

human normal foreskin fibroblast cells

IC50 = 76.9 µg/mL

In vitro

Cytotoxic activity

Turkish EE

Human adenocarcinomic alveolar basal epithelial (A549) cancer

31.7 and 57.1 µg/mL

In vitro

Increase of caspase activity; decrease of mitochondrial membrane potential; up-regulation CHOP mRNA expression;

cell cycle arrest (G1phase)—apoptosis

Turky

[100]

EE

HCT 116 Colon Cancer and Me45 Malignant Melanoma Cells

IC50 = 100 µM

In vitro

Anti-proliferative and pro-apoptotic Effect

Poland

 

Propolone A-B

Ovarian cancer cell line

LC50 = 19.1 µM and 29.9 µM

In vitro

Anti-proliferative

Brazil

[102]

Novel 2-phenoxychromone; 3-O-methylquercetin; 3,6,4′-trimethoxychrysin; 3,6-dimethoxyapigenin

DLD-1 (human colon cancer),

IC50 = 65.8; 16.2; 17.1; 31.0 μM

In vitro

Anti-proliferative effect; cell growth inhibition

Brazil

[103]

MCF-7 (human breast cancer) and

IC50 = 174.4; 16.7; 50.5; 41.9 μM

A549 (human lung cancer) cancer cell lines

IC50 = 81.9; 34.2; 19.9; 47.0 μM

Sonoran Desert EE

Cancerous cell line M12.C3.F6 (murine B cell lymphoma)

IC50 = 22.4 μM

In vitro

Antiproliferative

Sonoran Desert

[104]

Caffeic acid and pinocembrin

Human colorectal adenocarcinoma DLD-1 cells

IC50 = 200 μM

In vitro

Antiproliferative

New Zealand

[105]

Ardabil EE and quercetin

Mouth epidermoid carcinoma (KB) cell line

IC50 = 40 mM and 195 μM

In vitro

Cell proliferation inhibition

Iran

[106]

Ardabil EE and quercetin

Skin squamous cellcarcinoma (A431) cell line

IC50 = 98 μM, and 195 μM

In vitro

Cell proliferation inhibition

Iran

[106]

EE from stingless bees Tetragoniscafiebrigi

K562 erythroleukemia cells

IC50 = 250 and 500 μg/mL

In vitro

Necrosis

Brazil

[107]

Brazilian red EE

Colon cancer cell lines (human colorectal adenocarcinoma and human colorectal carcinoma)

IC50 = 75.15 and 70.81 μg/mL

In vitro

Antitumor activity

Brazil

[108]

p-Coumaric acid

Four triple-negative breast cancer cell lines (BT-20, BT-549, MDA-MB-231, and MDA-MB-436 cells)

IC50 = 17.02, 13.94, 22.85, and 23.55 µM

In vitro

Cytotoxic; decrease of cell viability

Brazil

[109]

( −)-Epigallocatechin-3-gallate

BT-20, BT-549, MDA-MB-231, and MDA-MB-436 cells,

IC50 = 20.10, 19.16, 24.97 and 18.16 µM

In vitro

Cytotoxic; decrease of cell viability

Brazil

[109]

EE

AGS human gastric cancer cell

60, 30, and 15 µg/mL

In vitro

Cell growth and proliferation inhibition

Iran

[110]

Human breast cancer, colon adenocarcinoma, epithelial colorectal adenocarcinoma, murine melanoma

50 and 100 μg/mL

In vitro

Cytotoxic/apoptosis

India

[111]

HeLa cervical cancer cells

IC50 = 80.96 μg/mL

In vitro

Cytotoxic/anti-proliferative effect

Thailand

[112]

EE

Human colon carcinoma cell lines CaCo2

IC50 = 50 μg/ml

In vitro

Growth inhibitory activity by apoptosis

China

[113]

 

Human colon carcinoma cell lines CaCo2

20 μg/ml

In vitro

Decrease of cells in G1, S and G2-M phases, modulation of p53 protein

China

[113]

 

HCT116

38.9 μg/ml

In vitro

Growth inhibitory activity by apoptosis

Brazil

[113]

EE

Human colon carcinoma cell lines CaCo2

 > 50

In vitro

Growth inhibitory activity by apoptosis

Brazil

[113]

Turkish EE

PC-3 cell line

IC50 = 20.7 μg/mL

In vitro

Cytotoxic activity

 

[114]

Flavonoids and phenolic acid

Human tongue squamous cell carcinoma cell line

25 and 50 μg/mL

In vitro

Activation of caspases-3, -8 and -9

 

[115]

 

Human rectal and colon cancer cell

10 μg/mL

In vitro

Proliferation inhibition

 

[116]

 

Human U87MG glioblastoma cell

TMZ (10–100 μM), EE (10-100 μg/mL)

In vitro

Glioblastoma cell growth inhibition NF-κB activity down-regulation

 

[117]

Artepillin C

HT1080 (fibrosarcoma), A549 (lung carcinoma) and U2OS (osteosarcoma) human cell lines

IC50 = 275 µM

In vitro

Abrogation of mortalin-p53 complexes causing the activation of p53

Brazil

[118]

Caffeic acid phenethyl ester

Human cancer cells, SKOV3 (ovarian carcinoma), HT1080 (fibrosarcoma), A549 (lung carcinoma), HeLa (cervical carcinoma), U2OS (osteosarcoma), MCF7 and MDA-MB-231 (breast adenocarcinoma

50 µM

In vitro

Down-regulation of mortalin and up-regulation of GADD45α and p53 tumor suppressor proteins

New Zealand

[119]

EE

MCF7 cells

IC50 = 62.24 μg/mL

In vitro

Proliferation inhibition

 

[120]

DMEP-A-C

head and neck squamous cell carcinoma (HNSCC) cell lines

IC50 = 76.33 µg/mL

In vitro

Cytotoxic activity; metastatic proliferation inhibition

 

[121]

P. droryana propolis

the K562 erythroleukemia tumour line

IC50 = 0.38 mg/mL

In vitro

Cell viability decrease

 

[122]

Chyrsin

MDA-MB-231breast cancer cell

40 μM and 60 μM

In vitro

Up-regulation of p21(waf1/cip1) gene expression and inhibition of histone deacetylase 8

China

[123]

xenograft animalmodel

90 mg/Kg/day

per os

 

Cell growth suppression

Pinobanksin-3-acetate

human colon cancer

IC50 = 163.61 μg/mL

In vitro

proliferation inhibition and apoptosis induction through up-regulation and down-regulation of multiple genes involved in cell apoptosis, cytokinetics, colorectal carcinogenesis, Wnt, and calcium signaling

 

[124]

ME

HML cells U937

300–500 μg/mL

In vitro

Dose-dependent decrease of Bcl-2

expression, no changes in Bax

expression, apoptosis

 

[125]

Liquiritigenin, formononetin,

medicarpin, biochanin A,

retusapurpurin

Carcinoma BCL-

5637

25, 50 and

100 μg/mL

In vitro

Increase of Bax/Bcl-2 ratio levels

Brazil

[126]

EE

Prostate Cancer cell lines

PC-3

IC50 = 38.48

μg/mL

In vitro

Slight increase on Bax mRNA

Egypt

[127]

EE

Human lung

carcinoma cell line

1/4 IC50= 17.29

μg/mL

In vitro

Decrease of mitochondrial

membrane potential by

overexpression of pro-apoptotic genes

(Bax and Noxa) and decrease of the

Anti-apoptotic gene Bcl-XL

Brazil

[128]

WE°

HL-60 and

HCT-116 cell lines

25 μg/mL

In vitro

Increase of Bax

Iraq

[129]

EE

Breast Cancer lines

MCF-7

10 and 20

μg/mL

In vitro

Increase of Bax mRNA and decrease ofBcl-2 mRNA

Brazil

[130]

EE

HEp-2 human

laryngeal

carcinoma cell

1/4 IC50 = 14

and 16 μg/mL

In vitro

Down-regulation of Bcl-2 and Bcl-XL mRNA;

Up-reguation of Bax; apoptosis

Brazil

[131]

ME

HML cells U937

100, 300 and

500 μg/mL

In vitro

Caspase-3 activation

Japan

[125]

EE

Breast Cancer lines

MCF-7 and MDAMB-

231

50, 100 and 200 μg/mL

In vitro

Caspase-3 activation

Chinese

[132]

EE

HeLa

Nan: 125 μg/mL Chiang Mai:

250 μg/mL

In vitro

Caspase-3 activation

Thailand

[133]

EE

Human tongue carcinoma cell line (CAL-27)

200 μg/mL

In vitro

Caspase − 3,-8 and -9 activation

Poland

[115]

EE

Breast Cancer lines

MCF-7

63, 125 and 250 μg/mL

In vitro

Activation of caspase-6 than caspases-8 and 9

Turkey

[134]

EE

Breast Cancer lines

MCF-7

20 μg/mL

In vitro

Caspase-3 activation

China and Brazil

[130]

 

HEp-2 human

laryngeal

carcinoma cell

IC50 = 80 μg/mL

In vitro

Apoptosis due to ROS generation and caspase-3 activation

Brazil

[135]

EE

Human lung carcinoma cell line

A549

35 μg/mL

In vitro

Mitochondrial membrane potential decrease and caspase activity increase

Turkey

[100]

EE

LNCaP prostate cancer cells

25–50 μg/mL

In vitro

Up-regulation of TRAIL-R2

 

[136, 137]

Cardol

SW620 human colorectal cancer cell line

IC50 = 4.51 ± 0.76 μM

In vitro

Increase of caspase-3 and -9 activityand PARP; apoptosis; mitochondrial membrane potential decrease; antiproliferative effect; G0/G1 cell cycle arrest

Indonesian propolis

[138]

EE

HUVECs

6.25–25 μg/mL

In vitro

Apoptosis in tube-forming endothelial

cells through inactivation of survival signal ERK1/2

Chinase

[139]

EE

HUVECs

6.25–25 μg/mL

In vitro

Decrease of PC-PLC

activity, p53 and ROS levels

Brazil

[140]

EE

HUVECs

3.13–25 μg/mL

In vitro

Angiogenesis suppression through inhibition of tube formation and proliferation; decrease of the number of newly formed vessels

Korean

[141]

HAE

HUVECs

100–200 μg/mL;

50–450 mg/Kg

In vitro

Inhibition of the tube-like structure formation

(tubulogenesis)

 

[142]

EE

Carcinoma BCL-5637

25 and 50 μg/mL

In vitro

Cell migrationinhibition

Brazil

[126]

EE

Breast Cancer line MDA-MB

-231

25, 50, 100 and 200 μg/mL

In vitro

Cells migration inhibition

China

[132]

EE

Glioblastoma multiforme cell line U87MG

30 μg/mL

In vitro

Cell migration inhibition

Poland

[143]

EE

Human lung

cancer A549

cell, melanoma cell line B16F10

1, 6, 12 and 30 μg/mL

 

Block of PAK1 and melanogenesis by down-regulation of intracellular tyrosinase activity

Japan

[144]

EE

Colon

Tumorigenesis

in male F344

rats

1% EE or WE, basal diet, 25 weeks

In vivo

Tumorigenesis decrease

Brazil

[145]

EE

Gastric cancer

in Male Wistar

rats

Enriched feed, 36 weeks

In vivo

Significantly decrease of IHC β-catenin positive tumors

Iran

[146]

EE

Bladder cancer

in female

Wistar rats

150 mg/Kg/day, intragastric, 40 weeks

In vivo

Chemo-preventive effects

Brazil

[147, 148]

EE

Dysplasia of tongue in male

Wistar rats

100–400 mg/Kg, intraperitoneall, 20 weeks

In vivo

Tumor decrese

Iran

[149]

EE

Bladder

Carcinogenesis in male F344

rats

0.125 to 1%, dietary administration, 32 weeks

In vivo

Enhances of BBN-initiated urinary bladder carcinogenesis via non-mutagenic mechanisms

Brazil

[150]

EE

Male Swiss

albino mice

50 mg/Kg, gastric incubation, 7 days

In vivo

Tumor growth and proliferation inhibition;

Increase of macrophages tumoricidal activity

Brazil; Zagreb, Croatia

[151]

EE

Male and female CBA inbred mice

50 or 150 mg/Kg, gauge administration, 3 days

In vivo

Suppression of tumor growth and metastases; Antimetastatic activity

mediated by immunomodulatory effects

Brazil, Zagreb, Croatia

[152, 153]

EE

Female

athymic Fox

N1-nu/nu mice

500 or 1000 mg/Kg/day, p.o., 3 weeks

In vivo

Mitotic cell and Ki-67 expression decrease and increase in

endoreduplications and p53 expression

Mosul, Iraq

[129]

EE

C57BL/6 male

mice

200 mg/Kg, 14 days

In vivo

Transcription of stress stimulated Th1

cytokine (IL-2 and IFN-γ) and Th2

cytokine IL-10

Brazil

[154, 155]

EE

Female ICR

mice

2.5 and 5%, oral administration, 6 days

In vivo

Suppressive effects on tumor-induced

angiogenesis

Brazil

[156]

EE

OIRM in C57BL/6 mice

300 mg/Kg/day, subcutaneous administration, 5 days

In vivo

Suppression of retinal neovascularization

Brazil

[157]

EE

Female Swiss mice

500 mg/Kg/day, orally, 14 days

In vivo

Progressively increase of blood vessel number

Brazil

[158]

EE

Bladder cancer in female

Wistar rats

150 mg/Kg/day, 40 weeks

In vivo

Decrease of microvascular density

Brazil

[159]