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Review

Natural Products and Acute Myeloid Leukemia: A Review Highlighting Mechanisms of Action

by
Dongwon Hwang
,
Minsun Kim
,
Hyejin Park
,
Myung In Jeong
,
Woojin Jung
and
Bonglee Kim
*
College of Korean Medicine, Kyung Hee University, 1 Hoegi-dong, Dongdaemun-gu, Seoul 130-701, Korea
*
Author to whom correspondence should be addressed.
Nutrients 2019, 11(5), 1010; https://0-doi-org.brum.beds.ac.uk/10.3390/nu11051010
Submission received: 20 March 2019 / Revised: 28 April 2019 / Accepted: 29 April 2019 / Published: 3 May 2019
(This article belongs to the Special Issue Natural Products for Human Wellness)
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Abstract

:
Recent findings have shown great potential of alternative interventions such as immunotherapy and natural products for acute myeloid leukemia (AML). This study aims to review the anti-AML effect of various natural compounds. Natural compounds were classified into five groups: alkaloids, carotenoids, nitrogen-containing compounds, organosulfur compounds or phenolics based on each compound’s chemical properties. Fifty-eight studies were collected and reviewed in this article. Phenolics are the most abundant group to have an apoptotic effect over AML cells, while other groups have also shown significant apoptotic effects. Some compounds induced apoptosis by regulating unique mechanism like human telomerase reverse transcriptase (hTERT) or laminin receptor (67LR), while others modified caspases, poly (adp-ribose) polymerase (PARP) and p53. Further study is required to identify side-effects of potent compounds and the synergistic effects of combination of two or more natural compounds or existing conventional anti-AML drugs to treat this dreadful disease.

Graphical Abstract

1. Introduction

Acute myeloid leukemia (AML) is a cancer of the myeloid line of blood cells that infiltrate the bone marrow, blood, and other tissues [1]. Current standard intervention for AML consists of chemotherapy and stem cell transplantation. The chemotherapies include daunorubicin, idarubicin, cytarabine, and doxorubicin (showed 60% to 80% of cure rate in adults) [2]. Moreover, new drugs including vosaroxin, CPX-351, sapacitabine, SGI-110 and midostaurin are being developed for AML. Many of them are categorized into cytotoxic agents, small-molecule inhibitors, or targeted therapies [3]. Recent studies highlighted that midostaurin accompanied with standard chemotherapy significantly prolonged overall event-free survival for AML patients with a FMS-like tyrosine kinase 3 (FLT3) mutation [4]. While daunorubicin, idarubicin, cytarabine and doxorubicin remain the standard therapy for AML, the drug has been reported with a few cardiotoxic effects, a well-known risk factor for congestive heart failure [5]. AML is an incurable disease with relapse possibilities and conventional therapies have shown side-effects such as hepatotoxicity, myelosuppression, and tumor lysis syndrome [6]. Thus, we focused on discovering new potent materials for AML from natural products.
Natural products are extracted from abundant living organism sources. They include bioactive compounds that have the potential for prevention or treatment of major diseases and have been used as therapeutic medicine in human history [7,8,9]. Recently, they have continued to provide key scaffolds for drug development [8]. Many of these have been identified to demonstrate diverse biological actions, including anti-cancer activities [10,11]. Polyphyllin D from Paris polyphylla is well known for its induction of endoplasmic reticulum (ER) stress and mitochondria-mediated apoptotic pathways against lung cancer cells [12]. Resveratrol is well-known natural product that has anti-cancer effect in human cancer [13,14]. Withaferin A is a steroidal lactone from the ayurvedic plant Withania somnifera, which is reported to possess effective general anti-cancer activities [15]. Substantial studies highlight the anti-neoplastic effect of natural products, suggesting that they have the potential to become novel interventions for acute myeloid leukemia [16]. Furthermore, natural products or their bioactive compounds not only trigger apoptosis, but also lower the resistance against chemotherapies via in leukemic cells [17,18]. We classified natural compounds as alkaloids, carotenoids, nitrogen-containing compounds, organosulfur compounds, and phenolics in accordance with an early study (Figure 1) [7]. Carotenoids and phenolics, among these, are widely studied as chemotherapy interventions. Recent studies shed more light on the role of naturally derived products in reducing oxidative stress induced by free radicals, which is involved in a wide range of chronic diseases [19]. A well-known example of natural compound is curcumin, a yellow spice which is categorized as a phenolic compound or more specifically, a polyphenol. Curcumin is known to induce apoptosis and autophagy in prostate cancer cells [20]. In this review, potent anti-AML natural compounds were classified and reviewed by a mechanism of actions.

2. Methods

We searched the MEDLINE database for relevant experimental literature published between September 2013 and September 2018 elucidating the apoptotic effects of natural products on specific prostate cell lines. Our search algorithm was designed based on the following criteria: each cell line including HL-60, U937, KG-1, Kasumi-1, THP-1 and their variants; related keywords such as ‘apoptosis’ and ‘natural product’ were used in the search formula. After completing the initial search, we removed duplicates, non-English literature, and studies handling multi-compound natural products such as extracts. We only took single compounds into consideration so that we could thoroughly understand how each compound exerts cytotoxicity on appropriate cells through certain signal pathways and induce apoptosis. For data unity, we have only included in vitro studies. We have classified the results into five categories, based on the phytomedicinal classification mentioned above [7]. A total of fifty-eight studies demonstrating fifty-five compounds were reviewed. We included seven alkaloids, four carotenoids, one nitrogen-containing compound, three organosulfur compounds and forty-three phenolics (Figure 2).

3. Natural Compounds and Acute Myeloid Leukemia

3.1. Alkaloids

Alkaloids contain one or more basic nitrogen atoms in a heterocyclic ring [21]. Some compounds with neutral and weakly acidic properties are also included. Many such alkaloid natural products possess cytotoxic ability towards AML cells (Table 1). Based on our findings, 4′-methoxy-5-epi-ancistecrorine A1, which is derived from Ancistrocladus cochinchinensis, expresses cytotoxicity against HL-60 cancer cells. The half maximal inhibitory concentration (IC50) value of the compound was around 3.8–6.2 μM against HL-60 [22]. By another alkaloid, the treatment of canthin-6-one has shown elevation of caspase-3, -8, -9 cleavage, reactive oxygen species (ROS), apoptosis signal-regulating kinase 1 (ASK1), p16, p27, p38, p53, c-Jun N-terminal kinases (JNKs), Ki-67 negative population, checkpoint kinase 2 (Chk2), H2A histone family member X (H2A.X), INK4A and Kip1, while mitochondrial membrane potential (MMP) and p- retinoblastoma protein (RB) were shown to be suppressed in Kasumi-1 cells. This result suggests that canthin-6-one effectively promotes various extrinsic and intrinsic apoptotic pathways in Kasumi-1 AML cells [23]. Curine, a natural alkaloid isolated from Chondrodendron platyphyllum, disrupts MMP. Additionally, curine has demonstrated potent cytotoxic effects on leukemic cell lines [24]. Indicaxanthin, isolated from cactus pear fruit, promotes cleavage of caspase-3 and poly (ADP-ribose) polymerase (PARP)-1 and free intracellular Ca2+ while it downregulates Ik-Bα [25]. Intermedin A extracted from Alpinia intermedia increases cleaved (c)-PARP and c-caspase-3 levels, thus inducing apoptosis in HL-60 cells at a dose of 30 µg/mL [26]. Increase in graft-versus-host disease (GVHD) prophylaxis has been observed in various cell lines, including KG-1, HL-60 and U937 after treatment of polyclonal anti-T-lymphocyte globulines [27]. Thalicultratine C, which originates from Thalictrum cultratum, downregulates MMP and induces apoptosis [28].

3.2. Carotenoids

Carotenoids are organic pigments that are produced by plants, algae, bacteria, and fungi. A few carotenoids have shown cytotoxic effects against AML cells (Table 2). Treatment of aromatic-tumerone separated from turmeric oil upregulates the expression of Bax, p53, c-caspase-3 and cytochrome c release [29]. Increased levels of c-caspase-3, -7, c-PARP and ROS with decrease of Bcl-xL indicate that fucoxanthin derived from Ishige okamurae induces apoptosis [30]. Heteronemin, which originates from Hyrtios sp., downregulates the activation of cytarabine-mediated factors such as mitogen-activated protein kinase (MAPK), activator protein 1 (AP-1), nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB) and c-myc [31]. Caspase-8-dependent apoptosis was observed following the treatment of isolancifolide extracted from Actinodaphne lancifolia. In addition, isolancifolide upregulates the levels of c-PARP, c-caspase-8, -9, while inhibiting Bid and pro-caspase-3, -8 [32].

3.3. Nitrogen-Containing Compounds

Not many of the nitrogen-containing compounds have been reported for their apoptotic effect against AML (Table 3). Rhizochalin (10, 20 mM for 6 or 24 h) from sponge Rhizochalina incrustata has shown to activate p53 and induce apoptosis in THP-1 cells [33].

3.4. Organosulfur Compounds

Organosulfur compounds are a subclass of natural substances that contain sulfur, widely present in the natural environment. Some of these compounds were reported for their apoptotic efficacies in AML cells (Table 4). The expression of Bax, c-caspase-3, -9, c-PARP were increased and PI3K/AKT, ERK1/2 MAPK, c-myc were suppressed after treatment of asterosaponin in HL-60 AML cells [34]. In addition, chaetocin has promoted the cleavage of caspase-3, -8 in HL-60 cells [35]. Diallyl disulfide upregulates the expression of c-myc, Sp-1, Mad1 and inhibits hTERT, decreasing telomerase activities in U937 cells [36].

3.5. Phenolics

Phenolics are defined as chemical compounds consisting of a hydroxyl group bonded directly to an aromatic hydrocarbon group. This is the most abundant type of phytochemicals and is thus widely studied (Table 5) [19]. Epigallocatechin-3-O-gallate (EGCG), extracted from green tea, is shown to decrease the level of 67LR, inducing apoptosis selectively in cancer cells, as compared with normal cells [37]. C-PARP, c-caspase-3, -8, -9, Bax, JNK, FasL were upregulated by vitisin B treatment, from Vitis thunbergii extract [38]. (R)-5-hydroxy-2-methylchroman-4-one (HMC) derived from Cryptosporiopsis sp. increased the expression of cyclin A, CDK1, p21, p53, PUMA, c-caspase-3, -8 -9, cytochrome c, c-PARP-1 while decreasing the expression of MMP, Bcl-2/Bax, Bid, STAT3, survivin, c-IAP-1, cyclin D1, VEGF, Bcl-xL and c-myc [39,40,41]. [8]-shogaol, originated from ginger, elevated the level of ROS, c-caspase-3, -9, c-PARP, c-DFF-45, and decreased the level of glutathione, MMP, caspase-8 and Bid [42]. Also, 5-hydroxy-6,7,3′,4′,5′-pentamethoxyflavone, extracted from Lantana ukambensis, induced apoptosis in U937 cells, increasing nuclear fragmentation at a dose of 10 μg/mL for 24 h, affecting nuclear apoptotic morphology [43]. Alternariol-10-methyl ether derived from Alternaria alternate induced various caspase cleavages, while inhibiting MMP [44]. The treatment of anthraquinone, extracted from Hedyotis diffusa Wild, has shown to increase the cleavage of caspase-3, -8 and -9 in HL-60 AML cells [45]. Cytochrome P450 activation was inhibited by bergenin exposure from P. pterocarpum [46]. Bigelovin induced both apoptosis and cell cycle arrest in a dose-dependent manner [47]. Camphene, the essential oil of Kadsura longipedunculata, elevated the caspase-3, -7 cleavage [48]. Activation of phosphatidylserine externalization, c-caspase-3, -8, -9, c-PARP, p38 and JNK were observed following treatment of cantharidic acid. Cantharidic acid induced apoptosis in human leukemic HL-60 cells via c-Jun N-terminal kinase-regulated caspase-3, -8, -9 activation pathway [49]. Capillin isolated from Artemisia capillaris Thunb. flower led to chromatin condensation and nuclear fragmentation. Additionally, the elevation of ERK1/2, JNK and cytochrome c release was observed in Capillin treated HL-60 cells [50]. Carnosic acid, separated from Rosmarinus officinalis polyphenol, induced apoptosis of HL-60 cells by regulating PTEN-Akt signaling pathways. Carnosic acid elevated levels of p27, c-caspase-9, PTEN, while downregulating p-BAD and p-Akt [51]. Casticin, isolated from Vitex agnus-castus, promoted DNA fragmentation resulting from Histone H3 phosphorylation [52]. Activation of p53, Bax, c-caspase-3, -9 and inhibition of uridine, DHODH was observed by the treatment of celastrol [53]. Mitochondrial apoptotic pathway in HL-60 and U937 cells was induced by treatment of corchorusin-D, isolated from Corchorus acutangulus, via elevation of DNA fragmentation and Bax expression. Corchorusin-D decreased the expression of Bcl-2 and MMP [54]. Costunolide, which originates from Magnolia sieboldii, induced the activation of Bcl-2, p-ERK1/2, and p-JNK, while inhibiting the generation of ROS. JNK activation is the key mechanism of constunolide-induced apoptosis [55]. Coumarin, derived from Zanthoxylum schinifolium, elevates Bax, c-PARP and c-caspase-3, -9 expression. Simultaneously, decrease in the levels of Bcl-2, p-ERK1/2 MAPK, p-AKT, c-myc was observed. Coumarin induces apoptosis by suppressing ERK1/2 MAPK and PIK3/AKT signaling pathways [56]. Cucurbitacin E elevates the expression level of Bax while downregulating XIAP, survivin and Mcl-1, indicating that cucurbitacin E has a role in cucurbitacin E-induced apoptosis in HL-60 cells [57]. Curcumin from turmeric upregulated p-ERK, JNK, c-caspase-3, -8 -9 and c-PARP-1 [58]. Erypoegin K, derived from Erythrina poeppigiana, increases the expression of c-caspase-3. Additionally, nuclear condensation and apoptotic genome DNA fragmentation were observed in erypoegin K-treated HL-60 cells [59]. Upregulation of c-PARP, c-caspase-3, -8, -9, Bid, TNFα was reported in HL-60 cells by treatment of furanodiene [60]. Gallic acid treatment led to cell death by the elevation of p53 and NF-κB, along with reduction of I-κB and GAPDH [61]. Ginsenoside Rh2 upregulated the c-caspase-3, p53 and p21 in KG1-α AML cells, demonstrating that ginsenoside Rh2 caused DNA damage in KG1-α cells via activation of intrinsic apoptotic pathway [62]. Ginsenoside Rh2 increased the expression of TGF-β, p21, p27, and reduced the expression of CDK4, CDK6, Cyclin D1, D2, D3 and E [63]. Glaucocalyxin, originated from Rabdosia japonica var. increased the level of c-caspase-3, -9, Bax, while decreasing the level of Bcl-2 [64]. Elevated expression level of c-caspase-3, Bax and suppressed expression of Bcl-2, c-myc, p-AKT were demonstrated following the treatment of icariside D2 [65]. Also, icariside II treatment promoted c-caspase-3 activity, c-PARP, PTP and SHP-1 expression in U937 cells. Suppression of Bcl-2, Bcl-x, survivin, COX-2, STAT3, JAK2 and Src was detected in icariside II treated AML cells [66]. Elevation of c-caspase-3, -9, c-PARP and inhibition of Bcl-2 were shown by treatment of isochamaejasmin [67]. Karanjin, which originates from Fordia cauliflora, induces cancer cell death through cell cycle arrest and induction of apoptosis on HL-60 cells [68]. Concentrations of 5-10 µg/mL of MMH01 for 24 h up-regulates the cyclin B1, Chk2, Bcl-2 and Bax, while facilitating chromatin condensation, leading to the apoptosis of U937 cells [69]. Phanginin D, the methanol extract of Caesalpinia sappan Linn. promoted the cleavage of caspase-3 [70]. PO-1 from Pluchea odorata increases the level of Cdc2, JunB, α-tubulin, NF-κB, FAK and MYPT, while inhibiting the expression of Chk2, Cdc25A, MCF-7 and CCID [71]. Proanthocyanidins (Pcys) extracted from eleven berry species elevates the cleavage of caspase-8 expression in THP-1 cells [72]. Shikonin from Lithospermum erythrorhizon up-regulated the generation of ROS and the cleavage of caspase-3 in HL-60 cells [73]. Down-regulation of ERP57, calreticulin, IRE-1, ATF6 and CHOP was observed in the shikonin treated AML cells. Particularly, the overexpression of ERP57 protected shikonin induced apoptosis in HL-60, whereas its knockdown lead to apoptosis activation [74]. Suppressions of FLT3 and miR-155 in THP-1 cells were observed after the exposure of silvestrol derived from Aglaia foyeolata [75]. Tanshinone I from Salvia miltiorrhiza Bunge induced the activation of Bax, c-caspase-3 and inhibition of survivin [76]. And tanshinone II A, isolated from Salvia miltiorrhiza, stimulated c-caspase-3 and repressed the levels of NF-κB and CCL2, promoting the apoptosis of U937 [77]. Wogonin, separated from roots of Scutellaria baicalensis Georgi, induced the activation of (3H) etoposide [78]. The treatment of wogonin increased the caspase-3 cleavage while downregulating Bcl-2, telomerase activity and c-myc [79]. Xanthatin promoted the expression level of c-caspase-3, -7 and mitigated PGE2. Xanthatin is a Xanthium strumarium extract, repressed the expression of Bcl-2 and HSP70 lead to β-mangostin-catalyzed apoptosis of HL-60 [80]. Conversely, the expression of the apoptotic genes such as Bax, c-caspase-3, and 9 were upregulated. These results suggest that β-mangostin showed an anti-proliferative effect on HL-60 cells and prompted the intrinsic apoptosis pathway [81].

4. Discussion

There are FDA approved drugs for acute myeloid leukemia (AML), which include midostaurin, liposomal cytarabine, enasidenib, gemtuzumab, and ogozamicin [82,83]. Current frontline treatment of AML is the “7 + 3” induction regimen, which includes a 7-day continuous intravenous cytarabine infusion and three daily doses of daunorubicin, especially for patients under 60 [84]. The regimen has remained as the standard cure for AML since 1973 [85,86]. Recent studies have suggested that a higher dose of cytarabine (Ara-C) and nucleoside analogue doublets may have a better effect. However, overall effect and safety of the treatment are still debatable [85,87,88]. The chemotherapies for AML can cause serious side-effects and relapse [89,90].
Targeting leukemic cells with natural products has been a big branch among various alternative attempts to treat AML. Complete cure with lower risk of relapse requires specific targeting of leukemic stem cells, and avoiding toxicity on normal hematopoietic cells. A review by Siveen et al. highlighted the various natural products that potentially target leukemic stem cells of AML. Natural products allow much lower relapse rates for AML patients [91]. Early studies have discovered many cases in which natural products exert cytotoxicity on AML, but a systematic categorization of such compounds has never been elucidated. Classifying natural products based on chemical properties can help to further understand the linkage between the chemical root of each substance and its mode of action in targeting and eliminating AML cells. Most collected natural products in this review belong to the phenolic group because phenolics are one of the most widespread substances among plants. They are involved in many different activities, including anti-Alzheimer’s disease, anti-hyperglycemia, and cancer [92,93,94]. Notwithstanding such facts, it is meaningful that many natural products, well known for their significant clinical effects, such as coumarin, curcumin, ginsenosides Rh2 and shikonin, were all phenolics. Phenolic compounds could be considered to possess advantageous structures for effectively triggering apoptotic signal pathways on specific AML cells. Some compounds in other groups have also shown great potential, although it is difficult to compare their clinical effects side by side due to different controls in experiments. Some potent compounds for treating AML include aromatic tumerone and fucoxanthin in carotenoids and asterosaponin in organosulfur compounds. While supplementary carotenoid intakes are common worldwide, further studies regarding anti-AML activities and cytotoxicity of carotenoid compounds in human are necessary [95].
One significant drawback of our study is that we have only included single compounds in the analysis. Single compounds that do not belong to any of the five categories were also excluded. Further studies with regards to the synergistic effects of conventional drugs with natural products for AML treatment are strongly required. Synergistic anti-AML effects of natural product combinations and extracts should also be studied. The interactions of phytomedicines have garnered huge interest, especially because separating single compound from extracts is difficult and natural products exert strong efficacy using low amounts of core active substance mixtures [93]. At the same time, multi-target therapies have been gaining more interest in cancer, as single-targeted therapies have shown their limitations [94,95]. Such systemic view will help researchers understand how natural products offer significant cytotoxic activities to target cells without harming adjacent environments, using low dose bioactive compounds and thereby lowering adverse effects in clinical cases [96]. Taken together, the natural products with anti-AML efficacies were categorized, and the mechanisms were reviewed in this study. These natural products have the potential to be future alternative therapies for this incurable disease, AML.

5. Conclusions

This study reviewed the cytotoxic effects of natural products on AML cells. We categorized the natural products and their mechanisms of actions based on a phytomedicinal classification. Natural products are promising in that they have the potential to treat AML. Further animal and clinical studies should be conducted to make use of such potential materials.

Author Contributions

D.H.: investigation, data curation and writing—original draft preparation; M.K., H.P., M.I.J., W.J.: investigation, project administration and writing—original draft preparation; B.K.: writing—review and editing and supervision.

Funding

This research was supported by the Basic Science Research Program through the National Research Foundation of Korea (NRF), funded by the Ministry of Education (NRF-2016R1D1A1B03933656).

Conflicts of Interest

The authors declare no conflict of interest.

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Nutrients 11 01010 g001 550
Figure 1. Classification of phytochemicals [7].
Figure 1. Classification of phytochemicals [7].
Nutrients 11 01010 g001
Nutrients 11 01010 g002 550
Figure 2. Review design flowchart.
Figure 2. Review design flowchart.
Nutrients 11 01010 g002
Table
Table 1. Alkaloids.
Table 1. Alkaloids.
ClassificationCompoundSourceCell Line/Animal ModelDose/DurationMechanismReference
Alkaloids4′-methoxy-5-epi-ancistecrorine A1Ancistrocladus cochinchinensisHL-60IC50 3.8–6.2 μM [22]
AlkaloidsCanthin-6-oneVarious plant genera and from fungiKasumi-145 μM; 24 hc-capase-3, -8, -9, ROS, ASK-1, p38, JNK, CHK2, p53, H2A.X, p16, INK4A, p27-Kip1 ↑[23]
MMP, p-RB ↓
AlkaloidsCurineChondrodendron platyphyllumHL-6015 μM; 48hMMP ↓[24]
AlkaloidsIndicaxanthinCactus pear fruitTHP-113.5, 15, 15.5, 15.9, 16 µM (16 mM-7-KC); 12, 24 hc-caspase-3, c-PARP-1, free intracellular Ca2+ ↑[25]
Ik-Bα ↓
AlkaloidsIntermedin AAlpinia intermediaHL-6023.57 ± 2.15 µg/Ml; 12 hc-caspase-3, c-PARP ↑[26]
AlkaloidsPolyclonal anti-T-lymphocyte globulinsRabbit ATG- Fresenius®HL-60KG1: 100, 200, 300, 400, 500 μg/mL; 6 hGVHD prophylaxis ↑[27]
KG-1U937: 100, 200, 300, 400, 500 μg/mL; 6 h
U937
AlkaloidsThalicultratine CThalictrum cultratumHL-600.06, 0.3, 1.5 μM; 24, 48, 72 hMMP ↓[28]
Cleaved caspase (c-caspase); reactive oxygen species (ROS); apoptosis signal-regulating kinase 1 (ASK-1); p38 mitogen-activated kinase (p38); c-Jun N-terminal kinase (JNK); checkpoint kinase 2 (CHK2); tumor suppressor p53 (p53); H2A histone family member X (H2A.X); cyclin-dependent kinase inhibitor 2A (p16); inhibitors of CDK4A (INK4A); p27-Kip1 (cyclin-dependent kinase inhibitor 1B); mitochondrial membrane potential (MMP); retinoblastoma gene product (p-RB); cleaved poly ADP-ribose polymerase 1 (c-PARP-1); nuclear factor of kappa light polypeptide gene enhancer in B-cells inhibitor, alpha (Ik-Bα); graft-versus-host disease (GVHD); ↑—up-regulation; ↓—down-regulation.
Table
Table 2. Carotenoids.
Table 2. Carotenoids.
ClassificationCompoundSourceCell Line/Animal ModelDose/DurationMechanismReference
CarotenoidsAromatic (ar)-tumeroneTurmeric oilU93740, 80, 120 µg/mL; 48 hBax, c-caspase-3, cytochrome c, p53 ↑[29]
CarotenoidsFucoxanthinIshige okamuraeHL-607.5, 15, 30 μg; 72 hc-caspase-3, -7, c-PARP, ROS ↑[30]
Bcl-xL ↓
CarotenoidsHeteroneminHyrtios sp.HL-605 nM; 72 hAP-1, c-myc, MAPK, NF-κB, Ras ↑[31]
CarotenoidsIsolancifolideActinodaphne lancifoliaHL-60HL-60: 25 μM; 2, 6, 12 hc-caspase-8, -9, c-PARP ↑[32]
Bid, pro-caspase-3, -8 ↓
Bcl-2-like protein 4 (Bax); cleaved caspase (c-caspase); tumor suppressor p53 (p53); cleaved poly ADP-ribose polymerase (c-PARP); reactive oxygen species (ROS); B-cell lymphoma-extra large (Bcl-xL); activator protein 1 (AP-1); mitogen-activated protein kinase (MAPK); nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB); Ras protein (Ras); BH3 interacting-domain death agonist (Bid); ↑—up-regulation; ↓—down-regulation.
Table
Table 3. Nitrogen-containing compounds.
Table 3. Nitrogen-containing compounds.
ClassificationCompoundSourceCell Line/Animal ModelDose/DurationMechanismReference
Nitrogen-containing compoundsRhizochalinRhizochalina incrustataTHP-110, 20 mM; 6, 24 hp53 ↑[33]
Tumor suppressor p53 (p53); ↑—up-regulation; ↓—down-regulation.
Table
Table 4. Organosulfur compounds.
Table 4. Organosulfur compounds.
ClassificationCompoundSourceCell Line/Animal ModelDose/DurationMechanismReference
Organosulfur compoundsAsterosaponinAstropecten monacanthusHL-600.01, 0.1, 1, 10, 50, 100 µM; 72 hBax, c-caspase-3, -9, c-PARP ↑[34]
AKT, Bcl-2, c-myc, ERK 1/2, MAPK, PI3K ↓
Organosulfur compoundsChaetocinChaetomium species fungiHL-600.3 μM; 4, 24 hc-caspase-3, -8 ↑[35]
Organosulfur compoundsDiallyl disulfide (DADS)Allium sativumU93725, 50, 100, 150 μM; 24 hc-myc, Mad1, Sp-1 ↑[36]
hTERT ↓
Bcl-2-like protein 4 (Bax); cleaved caspase (c-caspase); cleaved poly ADP-ribose polymerase (c-PARP); B-cell lymphoma 2 (Bcl-2); extracellular signal-regulated kinase 1, 2 (ERK1/2); mitogen-activated protein kinase (MAPK); phosphoinositide 3-kinase (PI3K); mitotic arrest deficient 1 (Mad1); Sp1 transcription factor (Sp-1); human telomerase reverse transcriptase (hTERT); ↑—up-regulation; ↓—down-regulation.
Table
Table 5. Phenolics.
Table 5. Phenolics.
ClassificationCompoundSourceCell Line/Animal ModelDose/DurationMechanismReference
PhenolicsEpigallocatechin-3-O-gallate (EGCG)Green teaHL-6050, 100, 150, 200, 250 μg; 24 h67LR ↓[37]
PhenolicsVitisin BVitis thunbergii var. taiwanianaHL-60HL-60: 12.5, 25 μM; 24, 36, 48 hBax, c-caspase-3, -8, -9, c-PARP, FasL, JNK ↑[38]
Phenolics(R)-5-hydroxy-2-methylchroman-4-one (HMC)Cryptosporiopsis sp. H2-1, NFCCI-2856HL-6010, 20, 30 µg/mL; 48 hc-caspase-3, -8, -9, c-PARP-1, CDK1, Cyclin A, cytochrome c, p21, p53, PUMA ↑[39]
Bax, Bcl-2, Bcl-xL, Bid, c-IAP-1, c-myc, cyclin D1, MMP, STAT3, survivin, VEGF ↓
Phenolics(8)-shogaolGingerHL-6030 µMc-caspase-3, -9, c-DFF-45, c-PARP, ROS ↑[42]
Bid, glutathione, MMP, pro-caspase-8 ↓
Phenolics5-hydroxy-6,7,3′,4′,5′-pentamethoxyflavoneLantana ukambensisU93710 μg/mL; 24 h [43]
PhenolicsAlternariol-10-methyl etherAlternaria alternataHL-60100, 200 µM; 72 hc-caspases ↑[44]
MMP ↓
PhenolicsAnthraquinoneHedyotis diffusa WilldHL-6025, 50, 100, 200 μg/mL; 48 hc-caspase-3, -8, -9 ↑[45]
PhenolicsBergeninPeltophorum pterocarpumHL-60HL-60: 1–100 μM; 48 hcytochrome P450 ↓[46]
PhenolicsBigelovinInula helianthus-aquatia C. Y. WuU9371 µM; 24, 48 h [47]
PhenolicsCampheneKadsura longipedunculataHL-60167.75 µg/mL; 24 hc-caspase-3, -7 ↑[48]
PhenolicsCantharidic acidBlister beetlesHL-6010 μM; 24 hc-caspase-3, -8, -9, c-PARP, JNK, p38 ↑[49]
PhenolicsCapillinArtemisia capillaris Thunb. Flower.HL-602 μM; 6 hcytochrome c, ERK1/2, JNK ↑[50]
IC50 6.5 ± 2.9 µM
AP-1, MAPK, NF ↓
PhenolicsCarnosic acidRosmarinus officinalis LHL-60HL-60: 10, 15, 20 μM/L; 24–48 hc-caspase-9, p27, PTEN ↑[51]
p-AKT, p-BAD ↓
PhenolicsCasticinVitex agnus CastusHL-6030, 40, 50 μg/mL; 24 h, 48 hp-Histone H3 ↑[52]
PhenolicsCelastrolThunder God VineHL-600.5 μM; 24 hBax, c-caspase -3, -9, p53 ↑ [53]
DHODH, uridine ↓
PhenolicsCorchorusin-DCorchorus acutangulusHL-60, U937HL-60: 25, 50, 75, 100, 120, 150 μg/mL; 24 hBax ↑[54]
U937: 50, 75, 100, 125, 150 μg/mL; 24 hBcl-2, MMP ↓
PhenolicsCostunolideMagnolia sieboldiiU93710 µM; 0.5, 1,2 hBcl-2, p-ERK1/2, p-JNK ↑[55]
Bcl-2, ROS ↓
PhenolicsCoumarinZanthoxylum schinifoliumHL-60HL-60: 5 μM; 24, 48 hBax, c-caspase -3, -9, c-PARP ↑[56]
Bcl-2, c-myc, p-AKT, p-ERK1/2 ↓
PhenolicsCucurbitacin ECucurbitaceaeHL-601–10 mol/LBax ↑[57]
IAP, Mcl-1, survivin ↓
PhenolicsCurcuminturmericTHP-150 μM; 3, 6, 12 hc-caspase-3, -8, -9, c-PARP-1, JNK, p-ERK ↑[58]
PhenolicsErypoegin KErythrina poeppigianaHL-600.175 ± 0.004 μM; 48hc-caspase-3 ↑[59]
10 μM; 24h
PhenolicsFuranodieneCurcuma wenyujinHL-6010, 30, 50, 70 μM; 6 hBid, c-caspase-3, -8, -9, c-PARP, TNFα ↑[60]
PhenolicsGallic acidRhus chinensisU9375.8, 58, 580 µM; 24 hp53, NF-κB, ↑[61]
GAPDH, I-κB ↓
PhenolicsGinsenoside Rh2 KG-1100, 200, 300, 400, 500 μg/mL; 6 hc-caspase-3, p21, p53 ↑[62]
PhenolicsGinsenoside Rh2Panax ginsengHL-60, U937HL-60: 10, 20, 30 μM; 24, 48, 72 hp21, p27 ↑[63]
U937: 10, 20, 30 μM; 24, 48, 72 hCDK4, CDK6, Cyclin D1, Cyclin D2, Cyclin D3, Cyclin E ↓
PhenolicsGlaucocalyxin ARabdosia japonica var. glaucocalyxHL-6010.0 μg/mL; 24 hBax, c-caspase-3, -9 ↑[64]
Bcl-2 ↓
PhenolicsIcariside D2Annona glabra LinnHL-60IC50 9.0 ± 1.0 µM; 72hBax, c-caspase -3 ↑[65]
9.0 µM; 24, 48 hBcl-2, c-myc, c-PARP, p-AKT ↓
PhenolicsIcariside IIEpimedium koreanumU93725, 50 μM; 24, 48, 72 hc-caspase-3, c-PARP, PTP, SHP-1 ↑[66]
Bcl-2, Bcl-X, COX-2, JAK2, Src, STAT3, survivin ↓
PhenolicsIsochamaejasminStellera chamaejasme L. (Thymelaeaceae)HL-60HL-60: IC50 50.40 ± 1.21 μmol·L−1 25 and 50 μmol·L−1; 48 hc-caspase-3, -9, c-PARP ↑[67]
Bcl-2 ↓
K562: IC50 24.51 ± 1.62 μmol·L−1
PhenolicsKaranjinFordia caulifloraHL-602, 4, 6 µM; 72 h [68]
PhenolicsMMH01Antrodia cinnamomeaU9375, 10 µg/mL; 24 hBax, Bcl-2, Chk2, Cyclin B1 ↑[69]
PhenolicsPhanginin DCaesalpinia sappan Linn. (Leguminosae)HL-6010, 30 µM; 24, 48 hc-caspase-3 ↑[70]
PhenolicsPO-1Pluchea odorataHL-60IC50 8.9 μM; 72 hα-tubulin, Cdc2, FAK, JunB, MYPT, NF-κB ↑[71]
25, 50, 100 μM; 24, 48, 72 hCCID, Cdc25A, Chk2, MCF-7 ↓
PhenolicsProanthocyanidins11 berry speciesTHP-150 μg/mL; 24 hc-caspase 8 ↑[72]
PhenolicsShikoninLithospermum erythrorhizonHL-601, 2, 5 μM; 24, 48 hROS, c-caspase-3 ↑[73]
PhenolicsShikoninLithospermum erythrorhizonHL-602.5 µM; 24 hATF6, calreticulin, CHOP, ERp57, IRE-1 ↓ [74]
PhenolicsSilvestrolAglaia foveolataTHP-150 nm; 24 hFLT3, miR-155 ↓[75]
PhenolicsTanshinone ISalvia miltiorrhiza BungeHL-6031 ± 7.1 μmol/L; 24 h,Bax ↑[76]
22 ± 7.6 μmol/L; 48 h,
c-caspase-3, survivin ↓
15 ± 4.3 μmol/L; 72 h
PhenolicsTanshinone IIASalvia miltiorrhizaU9372, 3, 5, 10 µg/mL; 12 h, 24, 36, 48 hc-caspase 3, PXR ↑[77]
CCL2, NF-κB ↓
PhenolicsWogoninScutellaria baicalensis GeorgiHL-6010 μM; 24h[3H]etoposide ↑[78]
P-gp ↓
PhenolicsWogoninScutellaria baicalensisHL-6010 mg/mL; 20, 25, 30, 35, 40 minc-caspase-3 ↑[79]
Bcl-2, c-myc, telomerase ↓
PhenolicsXanthatinXanthium strumariumHL-60HL-60: 100 μg/mL; 48 hc-caspase-3, -7 ↑[80]
PGE2 ↓
Phenolicsβ-mangostinCratoxylum arborescensHL-6058 µM; 24 hBax, c-caspase -3, -9, cytochrome c, p53 ↑[81]
Bcl-2, HSP70 ↓
67 kDa laminin receptor (67LR); bcl-2-like protein 4 (Bax); cleaved caspase (c-caspase); cleaved poly ADP-ribose polymerase (c-PARP); first apoptosis signal ligand (FasL); c-Jun N-terminal kinase (JNK); cyclin dependent kinase 1 (CDK1); cyclin-dependent kinase inhibitor 1 (p21); tumor suppressor p53 (p53); p53 upregulated modulator of apoptosis (PUMA); B-cell lymphoma 2 (Bcl-2); B-cell lymphoma-extra large (Bcl-xL); BH3 interacting-domain death agonist (Bid); cellular inhibitor of apoptosis protein 1 (c-IAP-1); mitochondrial membrane potential (MMP); signal transducer and activator of transcription 3 (STAT3); vascular endothelial growth factor (VEGF); cleaved DNA fragmentation factor 45 (c-DFF-45); reactive oxygen species (ROS); p38 mitogen activated protein (p38); extracellular signal-regulated kinase 1, 2 (ERK1/2); activator protein 1 (AP-1); mitogen-activated protein kinase (MAPK); nuclear factor (NF); cyclin-dependent kinase inhibitor 1B (p27); phosphatase and tensin homolog (PTEN); phospho-protein kinase B (p-AKT); phospho-Bcl-2 associated death (p-BAD); phospho-histone H3 (p-Histone H3); dihydroorotate dehydrogenase (DHODE); phospho-extracellular signal-regulated kinase 1, 2 (p-ERK1/2); phospho-c-Jun N-terminal kinase (p-JNK); inhibitor of apoptosis protein (IAP); myeloid cell leukemia 1 (Mcl-1); tumor necrosis factor alpha (TNFα); nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB); glyceraldehyde 3-phosphate dehydrogenase (GAPDH); cyclin dependent kinase (CDK); protein tyrosine phosphatase (PTP); Src homology 2 domain-containing protein tyrosine phosphatase 1 (SHP-1); B-cell lymphoma X (Bcl-X); cyclooxygenase 2 (COX-2); Janus kinase 2 (JAK2); Src family of the tyrosine kinases (Src); signal transducer and activator of transcription 3 (STAT3); checkpoint kinase 2 (Chk2); cell division control 2 (Cdc2), focal adhesion kinase (FAK), JunB proto-oncogene (JunB); myosin phosphatase targeting protein (MYPT); cell culture infectious dose (CCID); M-phase inducer phosphatase 1 (Cdc25A); activating transcription factor 6 (ATF6); CCAAT-enhancer-binding protein homologous protein (CHOP); protein disulfide-isomerase A3 (ERp57); inositol-requiring enzyme 1 (IRE-1); fms like tyrosine kinase 3 (FLT3); micro RNA 155 (miR-155); pregnane X receptor (PXR); C-C Motif Chemokine ligand 2 (CCL2); P-glycoprotein (P-gp); prostaglandin E2 (PGE2); heat shock protein 70 (HSP70); ↑—up-regulation; ↓—down-regulation.

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Hwang, D.; Kim, M.; Park, H.; Jeong, M.I.; Jung, W.; Kim, B. Natural Products and Acute Myeloid Leukemia: A Review Highlighting Mechanisms of Action. Nutrients 2019, 11, 1010. https://0-doi-org.brum.beds.ac.uk/10.3390/nu11051010

AMA Style

Hwang D, Kim M, Park H, Jeong MI, Jung W, Kim B. Natural Products and Acute Myeloid Leukemia: A Review Highlighting Mechanisms of Action. Nutrients. 2019; 11(5):1010. https://0-doi-org.brum.beds.ac.uk/10.3390/nu11051010

Chicago/Turabian Style

Hwang, Dongwon, Minsun Kim, Hyejin Park, Myung In Jeong, Woojin Jung, and Bonglee Kim. 2019. "Natural Products and Acute Myeloid Leukemia: A Review Highlighting Mechanisms of Action" Nutrients 11, no. 5: 1010. https://0-doi-org.brum.beds.ac.uk/10.3390/nu11051010

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