nemoci-sympt/ONKOLOGIE/nadory-pankreatu/nadory-slinivky-maligni/terapie-podpurne-kroky
Varování
- The majority of studies cited are in vitro studies, performed in glass on tissue from a living organism, or in vivo studies, performed on tissue not removed from a living organism (animal studies).
- Most studies have not advanced to clinical trials on humans.
- The few human studies cited are preliminary clinical trials.
- Therefore, although results seem favorable or unfavorable, treat them with caution.
- Neither the author nor publisher makes any medical claims for any of the herbs or natural products in this review or the tables.
- This are just study notes
- Note that some of the herbs described are deadly poisons and extremely dangerous.
2-DG + 3-BrPA (anti-glycolytic agent)
- MiaPaCa2 and Panc-1 pancreatic cancer cells manifest energy depletion
- Increased cell necrosis
- Glycolysis inhibition [18]
Ivermectin and gemcitabine combination
- Induces apoptosis in pancreatic cancer
Ivermectin
- Suppresses pancreatic cancer via mitochondria dysfunction
- Ivermectin in combination with gemcitabine on pancreatic cancer
- Is more effective than gemcitabine alone.
- Ivermectin-gemcitabine combination
- Inhibited cell proliferation via G1 arrest of the cell cycle
- Down-regulated cyclin D1 expression through mTOR/STAT3 signaling pathway
- Ivermectin-gemcitabine induced apoptosis by ROS generation and reduction of mitochondrial membrane potential (MMP), and blocked mitophagy.
- In vivo experiments also confirmed that ivermectin-gemcitabine groups
- Significantly suppressed the tumor growth of pancreatic cancer compared with gemcitabine alone groups.
- Ivermectin has a synergistic effect with gemcitabine in preventing cancer progression
- Could be a potential antitumor drug for the treatment of pancreatic cancer.
- aacrjournals.org/cancerres/article/82/12_Supplement/2320/701043/Abstract-2320-Ivermectin-suppresses-pancreatic
Adjuvant chemoradiation therapy following resection
- Patients after resection and with no evidence of relaps or metastasis
- May not be optimal
- Cca 25% of patients are unable to complete adjuvant course or is prolonged
- X recovery from the surgery [3]
- Nonresectable disease
- Chemotherapy with or without radiation
- Palliative purposes [3]
- Beneficial for some patients [3]
Antiangiogenic agent + chemotherapy
- Chemotherapy is more effective
- Bevacizumab with the EGFR tyrosine kinase inhibitor erlotinib [6]
Bevacizumab - Avastin
- A monoclonal anti–vascular endothelial growth factor antibody
- Might lower tumor interstitial pressure
- Could increase chemotherapy delivery to the tumor bed and thus improve efficacy
CUMIN - Cuminum cyminum
- Flowering plant in the family Apiaceae
- Thymoquinone (TQ) is the most abundant component of black cumin seed oil
- Suppress tumor cell proliferation, including
- Colorectal carcinoma,
- Breast adenocarcinoma,
- Osteosarcoma,
- Ovarian carcinoma,
- Myeloblastic leukemia,
- Pancreatic carcinoma (Gali-Muhtasib, Roessner, and Schneider-Stock 2006)
- Normal cells appear to be slightly resistant to TQ (Worthen, Ghosheh, and Crooks 1998)
- Downregulation in Bcl-xL, cyclin D1, and VEGF (Aggarwal et al. 2008)
- Induce free radical formation in tumor cells
- Effective in inhibiting human umbilical vein EC migration, invasion, and tube formation
- Role in angiogenesis (Yi et al. 2008)
- TQ (6 mg/kg/day) was also found to prevent tumor angiogenesis in a xenograft human prostate cancer (PC-3) model (Yi et al. 2008) [18]
www.ncbi.nlm.nih.gov/books/NBK92774/
Chloroquine (autophagy blocker)
- Significant growth suppression of pancreatic cancer cells
- Tumor regression
- Prolonged survival
- Increased total and mitochondrial ROS levels, along with DNA damage
- Severe decrease in oxidative phosphorylation
- Significant elevation in uptake of glucose and lactate production [18]
K-Ras(G12D) doxy withdrawal
- Transgenic mice
- Doxy induction provokes acinar-to-ductal metaplasia and PanIN lesions within 2 weeks
- Doxy withdrawal leads to:
- Rapid tumor regression
- Morphological deterioration of tumor cells
- Rapid degeneration of stromal elements
- Decreased tumor cell proliferation
- Increased apoptosis
- Significant reduction in expression levels of several glycolytic enzymes
- Not accompanied by significant alterations in levels of TCA cycle intermediates [18]
- Marked reduction in nonoxidative PPP-specific metabolites S7P and SBP
- Reduction in the flux of glucose into the nonoxidative arm of the PPP [18]
C. perfringens
- Shown to be capable of colonizing in advanced stages of selective pancreatic cancers
- Inducing progressive necrosis in the tumours
Docosahexaenoic acid (DHA) diet (omega-3 fatty acid)
- Recurrence and proliferative index of pancreatic precancer in EL-K-Ras mice
- Decreased in mice maintained on DHA diet
- DHA treatment in tissue culture
- Resulted in a dose-dependent reduction in:
- Cell cycle progression through both G1/G0 blockage [18]
- Induction of programmed cell death [18]
Erlotinib
- FDA in 2005 [24]
Ethyl pyruvate (pharmacological inhibitor of nuclear HMGB1)
- In vivo
- Tumor cell growth was significantly reduced [18]
- In vitro
- Increased apoptotic signal (PARP)
- Decreased signals of inflammation (p-p65), and autophagy (LC3-II)
- Reduced ATP production [18]
Everolimus (rapamycin analog)
- Inhibition of cell proliferation and glycolysis
- Induction of apoptotic cell death of Panc-1 human pancreatic cancer cells
- Upregulation of levels of miR-143 transcripts
- Decrease in HK2 transcripts levels [18]
FX11 (inhibitor of LDHA)
- Cell growth inhibition of P198 human pancreatic cancer cells
- Increased sensitivity under hypoxia
- Inhibition of pancreatic tumor xenograft progression
- Reduction of ATP levels
- Induction of marked oxidative stress
- Cell death
- Decreased NAD+ recycling (increased NADH/NAD+ ratio) [18]
Folfirinox
- Chemotherapy regimen
- Four drugs
- More effective than gemcitabine
- Side effects
- Only suitable for people with good performance status
- Increased survival by a few months [24]
Gemcitabine
- FDA in 1997
- In people with advanced pancreatic cancer
- Improvements in quality of life
- A 5-week improvement in median survival
- Standard for about a decade
- Number of trials testing it in combination with other drugs failed [24]
- Méně NÚ než Folfirinox a nab-paclitaxel
Emcitabine + erlotinib
- Increase survival modestly [24]
Gemcitabine + FOLFIRINOX
- Benefit of cca 11 months versus about 6.5 months for gemcitabine alone [4]
- www.texasoncology.com/types-of-cancer/pancreatic-cancer/stage-iv-pancreatic-cancer/
Gemcitabine + Abraxane
- 8.5 versus 6.5 months for gemcitabine [4]
- www.texasoncology.com/types-of-cancer/pancreatic-cancer/stage-iv-pancreatic-cancer/
HMGB1-knockdown by shRNA
- Reduction in autophagy
- Increase in sensitivity of PDAC-derived cells to apoptosis
- Induced by melphalan [18]
Palbociclib (Ibrance)
- CDK4 a 6 inhibitor
Kurkumin
Several combination trials currently ongoing
- In combination with neoadjuvant capecitabine and radiation in rectal cancer (NCT00745134)
- With FOLFOX in inoperable colon cancer (NCT01490996)
- curcumin monotherapy in advanced pancreatic cancer (NCT00094445)
- curcumin can exert anticancer properties via multiple targets
Synergism
- 1–10 µM curcumin and
- 5-fluorouracil (5-FU)
- Paclitaxel in PC-3 cells has been observed [24]
- Potentiate the cytotoxicity of chemotherapy agents in other cell lines [24]
- Curcumin-mediated MDM2 downregulation
- Sensitized the PC3 prostate cancer cell line to both
- Gemcitabine
- Radiation in cell line and mouse xenograft models [24]
[24] Complementary and Alternative Medicines in Prostate Cancer: From Bench to Bedside? Samuel J. Klempner and; Glenn Bubley; Division of Hematology and Oncology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, USA; Beth Israel Deaconess Medical Center, 330 Brookline Avenue, Boston, Massachusetts 02215, USA. Telephone: 617-667-9296; Fax: 617-667-4809; e-mail: sklempne{at}bidmc.harvard.edu; Received March 1, 2012.; Accepted May 1, 2012.; First published online in THE ONCOLOGIST Express on May 22, 2012.
Leucovorin/5-FU
Metformin
- Does not or poorly permeates the plasma membrane
- Is not metabolized but it is accumulated in tissues such as:
- The liver
- The kidneys,
- The salivary glands
- The gastrointestinal tract
- 80% of the elimination of metformin occurs by the urinary tract [21]
- Appears to accumulate in red blood cells
- With a much longer elimination halflife: 17.6 hours [21]
- Decreases cancer risk and overall cancer mortality among the diabetic population
- Inhibition of ATP and ROS production
- Inhibition of IRS-1/Akt/mTORC1 axis
- Anti-inflammatory effects
- Cell cycle arrest
- Inhibition of general transcription factors [21]
- Decrease in adenosine triphosphate (ATP) production
- Increase in adenosine monophosphate (AMP) levels
- Activate the kinase AMP-activated protein kinase (AMPK) [21]
- High AMP and adenosine diphosphate (ADP) levels
- Permissive for AMPK activation
- AMP promotes AMPK phosphorylation at its catalytic ?-subunit (Thr-172) by:
- Its upstream kinases liver kinase B1 (LKB1)
- Calcium/calmodulin-dependent protein kinase kinase-beta (CaMKKß)
- Alossteric activation and prevents dephosphorylation by:
- ADP also protects AMPK from dephosphorylation
- metformin-induced decline in endogenous ROS levels
- Implicated to be involved in cancer risk reduction
- AMPK activate the tumor suppressor protein 53 (p53) (Ser-15)
- Inducing cancer cell cycle arrest and senescence
- P53 has been shown to increase AMPK activity
- Leads to mammalian target of rapamycin (mTOR) inhibition in vitro
- Cause a G0/G1 cell cycle arrest
- Decreasing the expression of cyclin D1
- Preventing the phosphorylation of pRb (its inactivation) [21]
- Metformin-induced AMPK activation
- Phosphorylate insulin receptor substrate-1 (IRS-1) at Ser-794
- Decreased recruitment of the p85 subunit of phosphoinositide-3-kinase (PI3K)
- Impairing the IGF-stimulated PI3K/protein kinase B/ mammalian target of rapamycin complex 1 (PI3K/Akt/mTORC1) signaling pathway [21]
- Inhibit the crosstalk between the:
- Insulin/IGF receptor
- G protein-coupled receptor (GPCR) signaling
- Resulting in the inhibition of mTORC1 [21]
- Biguanides inhibit the Rag-dependent mTORC1 signaling by:
- Preventing the colocalization of mTORC1
- With its activator Ras homolog enriched in brain (Rheb) [21]
- Rags
- GTPases comprised of four proteins:
- RagA, RagB, RagC and RagD [21]
- Heterodimerize to activate mTORC1 upon amino acid stimulation
- Bind to the Ragulator complex made up of:
- Localizing mTORC1 from the perinulcear compartment (where Rheb is located)
- Into the cytoplasm
- Preventing Rheb activation of mTORC1 [21]
- Increases the expression of the mTOR inhibitor
- Regulated in development and DNA damage responses (REDD1)
- Consequently down-regulating mTOR signaling [21]
- In human monocytes, metformin prevents TNF production at micromolar concentrations in:
- Lipopolysaccharide (LPS) and LDL [21] [21]
- Activation and phosphorylation of AMPK
- Dependent on the serine-threonine kinase
- Ataxia telangiectasia mutated (ATM)
- A checkpoint that responds by activating the DNA damage response to:
- Double-strand breaks
- Oxidative stress [21]
- Aktivating of numerous downstream targets:
- Induces nuclear degradation
- Decreases expression of Sp proteins
- Decreases expression of transcription factors for genes involved in:
- Cell proliferation (cyclin D1)
- Metabolism (FAS)
- Apoptosis
- B-cell lymphoma 2 () bcl-2) [21]
- Survivin
- Angiogenesis
- Vascular endothelial growth factor (VEGF)
- Its receptor VEGFR1 [21] [21]
- Inhibit glycolysis in various cancer cell lines [21]
- Inhibitor of complex I of the electron transport chain [21]
- Ability to increase fatty acid ß-oxidation in adipocytes [21]
- Ability to inhibit hepatic lipogenesis [21]
- Tumor growth inhibition in vitro and in vivo
- Down-regulation of Sp (specificity protein) transcription factors
- Consequent down-regulation of the Sp-regulated genes [21]
- Impair tumor development in pancreatic cancer in xenografts models [21]
- Inhibits glucose-derived fatty acid synthesis in the context of:
- Available acetyl-CoA
- Presence of K-rasmutation in pancreatic cancer cells
- Obesity
- Metabolic syndrome
- Diabetes [21]
- May be useful + with lipid lowering and chemotherapeutic agents [21]
- Up-regulation of fatty acid synthase (FAS)
- Enzyme that catalyzes the terminal step in palmitate synthesis
- Is associated with:
- Increased resistance to gemcitabine [21]
- Increased resistance to radiation treatments in human pancreatic cancer tissues [21]
- Modulate the insulin receptor (IR) in cholesterol (chol)-treated human hepatoma cells, HepG2 [21]
- metformin is a charged biguanide
- Requiring cell surface transport protein for its influx [21]
- High energy diet promotes tumor growth
- metformin decreases tumor volume only in highenergy fed animals [21]
- Vivomodels of lung and colorectal xenografts
- Strong tumor growth delay effect of metformin in pancreatic cancer xenograft models
- Doses used (>200mg/kg, i.p.) may not be clinically relevant [21]
- Anti-diabetic dose versus the anti-cancer dose versus preventive [21]
- Data in humans using metformin for treatment of cancers
- Shows some benefit at clinically used doses
- Certainly not as impressive as pre-clinical high dose metformin [21]
- We did not find any ongoing human study using very high doses (beyond 3000 mg/day) primarily to treat cancers. [21]
- Decreasing hepatic gluconeogenesis
- Activating insulin receptor tyrosine phosphorylation
- Decreasing intestinal glucose absorption
- Increasing skeletal and adipose tissue glucose uptake
- Nude mice 250 mg/kg/day for three consecutive days increased:
- Glycolytic enzymes hexokinase to the mitochondria
- Phosphofuctokinase to F-actin in mice hearts
- Activation and up-regulation in glycolysis
- Increasing cardiac glucose utilization
- Cardio protective effects
- Welltolerated drug
- Lactic acidosis as a reported serious side effect [21]
- Has been questioned last years [21]
- Inhibits the gene expression of carnitine palmitoyltransferase 1 (CPT1)
- A mitochondrial enzyme
- Ratelimiting step in long-chain fatty acid ß-oxidation
- CPT1 catalyzes the transfer of acyl-CoA to the carnitine hydroxyl group
- Forming acyl-carnitine
- Transported into the mitochondrial matrix via translocase
- Prevents the nuclear activation of:
- Sterol-regulatory element-binding protein 1c isoform (SREBP-1c)
- SREBP-2 sterol-regulatory element-binding protein 2 isoform (SREBP-2)
- Transcription factors that induce the expression of enzymatic genes involved in:
- Fatty acid synthesis
- cholesterol synthesis [21]
- Decreases the activities of:
- 3-hydroxy-3-methyl-glutaryl-CoA reductase (HMGCR)
- Synthesizes isoprenoids and cholesterol
- Acyl coenzyme A:cholesterol acyltransferase (ACAT)
- Endoplasmic reticulum protein
- Catalyzes the formation of cholesterol esters from:
- Acyl-CoA
- cholesterol
- Decreases the gene expression of steroyl-CoA desaturase 1 (SCD1)
- Enzyme responsible for desaturation of:
- Stearic acid (18:0) into oleic acid (18:1 n-9)
- Palmitic acid (16:0) to palmitoleic acid (16:1 n-7).
- Decreases the protein expression of enzymes involved in fatty acid synthesis:
- FAS
- Acetyl-CoA carboxylase (ACC)
- ATP citrate lyase (ACLY) [21]
- Inhibitor of complex I of the ETC [21]
- Some impairment in mitochondrial function in human-derived non-malignant and in cancer cells [21]
- Metformin has slow permeation properties across the inner mitochondrial membrane
- Longer incubation periods [21]
- Block activation or expression of key lipid biosynthesis enzymes such as:
- ACC, FAS, HMGCR [21]
- Enhance expression of regulators of:
- mitochondrial biogenesis
- Peroxisome proliferator-activated receptor-gamma co-activator 1 (PGC-1) [21]
- metformin-induced inhibition of respiration
- Blocked by the addition of palmitate in 3T3-L1 adipocytes
- Can be reversed by the addition of fatty acids
- Normoglycemic effects of metformin
- Attributed to its ability to prevent fatty acid oxidation in liver
- Decreases acetyl-CoA, ATP and reducing equivalents’ availability for hepatic gluconeogenesis
- V.s. mediated by a reduction in the expression of:
- The carnitine palmitoyltransferase I gene [21]
- In impairment in long fatty acid chain transport
- From the mitochondrial outer membrane
- Into the matrix where ß-oxidation takes place [21]
- AMPK-mediated suppression of SREBP-1c
- Prevent lipogenesis in an insulin resistant mouse model
- Decrease in hepatic SREBP-1 expression in mice fed a high fat (60% lipids) diet
- Physiologically relevant dose of metformin
- Impairs glucose utilization in pancreatic cancer
- By inhibiting FAS when cholesterol synthesis is limited
- K-rasmutation cnacer cells
- Require de novofatty acid (FA) synthesis for lipids ('lipogenic cells')
- Were unable to synthesize FA from acetyl-CoA in the presence of:
- An inhibitor of cholesterol synthesis
- And metformin [21]
- metformin (100 µM) using an acute treatment of 24 h
- Decreases de novolipid synthesis via the FAS pathway in pancreatic adenocarcinoma only when:
- A) the glucose-derived acetyl-CoA is made available for FA synthesis
- By inhibition of cholesterol synthesis (addition of exogenous cholesterol) ---b) K-ras mutation is present [21]
- Non-lipogenic cancer cells harboring a K-ras G12C mutation with suppressed cholesterol synthesis
- Significantly more sensitive to the growth inhibiting effects of metformin
- Than tumor cells containing wild-type K-raswith normal cholesterol synthesis [21]
- Restauroval tvorbu paměťových T-lymfocytů [26]
- Selektivní účinek metforminu na nádorové kmenové buňky [26]
Časování chemoterapie - metronomic dosing
- More steady
- Can result in fewer side effects
- Better tolerability
- Increased efficacy due to the increased dose density [6]
- May have antiangiogenic properties due to its effects on endothelial cells
- Especially with paclitaxel and perhaps also with 5-FU [6]
Metronomic dosing of POLF
- U ca pankreatu IV. stupně
Mitomycin C
Neem leaf extract
- Rel protein-regulated cell death/radiosensitization in pancreatic cancer cells
Neoadjuvant chemoradiation therapy before resection
- Early treatment of micrometastatic disease
- Delivery of chemotherapy and/or radiation to a well-vascularized tumor
- V.s. healthier patient
- Additional time for aggressive tumors to declare themselves
- Improvement of R0 resection rates
- Decrease of local failure rates [3]
- Several studies have shown a benefit
- Negative pathologic margins (R0)
- 6% for 3-year actuarial survival
- Positive margins
- 22% for 5-year actuarial survival [3]
- Subset of about 7% of patients
- no metastatic disease
- Borderline resectable category [3]
Oridonin
- Extracted from the Chinese herb Rabdosia rubescens
- Is a natural compound with the structure of a tetracycline diter-penoid
- Exert antitumor effects and is widely used
- Oridonin effectively induced cell apoptosis of pancreatic cancer cells
- Nanosuspension was more effective than free oridonin on
- G2/M-phase cell cycle arrest
- Apoptosis in the PANC-1 human pancreatic cancer cell line
- Induces apoptosis and senescence
- By increasing hydrogen peroxide and glutathione depletion in colorectal cancer cells
- Autophagy preceded apoptosis in oridonin-treated MCF-7 human breast cancer cells
- In lung cancer patients, oridonin also suppressed
- Mammalian target of rapamycin (mTOR) signaling
- Supesed growth of lung cancer tumors
- Inhibition of mTORC1 may be an effective target
- www.spandidos-publications.com/10.3892/mmr.2016.4897
Oxaliplatin
Paclitaxel
Týdenní podávání - weekly metronomic schedule
- May also have activity in pancreatic cancer
- Encouraging results + nab-paclitaxel and cationic liposomal paclitaxel in combination with gemcitabine [6]
- Paclitaxel to be more effective than the previous standard doses of this agent given every 3 weeks in the neoadjuvant, adjuvant and metastatic settings in breast cancer, with a similar benefit seen in ovarian cancer [6]
- May facilitate increased efficacy of the other chemotherapy agents
- Oxaliplatin
- 5-FU
- Allowing the agents to reach the tumor better
- Lower doses of chemotherapy to be used to attain equal or higher concentrations of the chemotherapy in the tumor bed [6]
- Allowing fewer side effects systemically [6]
RAGE-silencing by shRNA
- Diminished autophagy
- Increased apoptotic rate
- Decreased tumor cell survival in human panc and mouse panc02 cancer cell lines [18]
RNA interference targeting glutaminase
- Significant reduction in PDAC cell growth
- Targeting of transaminase
- Abolishes the noncanonical pathway in which PDAC cells metabolize glutamine [18]
Salirasib (Ras inhibitor)
- Significant antiproliferative effects in pancreatic cancerous cells
- Panc-1 and MIA PaCa-2
- Melanoma, Merkel cell carcinoma, LNCaP, CWR-R1
- Reduction of Ras-mediated downstream signaling pathway
- Including Akt and Erk
- Antiproliferative effects in glioblastoma cells
- Apoptotic cell death
- HIF-1? degradation
- Glycolysis shutdown
- Severe energy crisis [18]
Salirasib + 2-DG (glucose analog)
- Additive inhibition of cell proliferation
- Synergistic induction of apoptosis
- Complete shrinkage of Panc-1 pancreatic carcinoma cells
- Glycolysis inhibition [18]
S. typhimurium A1-R
- Promising effect on disseminated ovarian cancer
- Especially after intraperitoneal administration in nude mouse models [8]
- A significant effect of the A1-R strain against pancreatic cancer has been described in different mouse models
- Nude, C57BL/6 and C57BL/6 CD8-/- (B6.129S2-CD8atm1Mak/J mice)
- Clinical implications have been described [8]
Terapie bolesti
- Analgetika
- Radioterapie
- Vysokoenergetické záření může snížit bolest zmenšením nádoru
- Nervová blokáda
- Injekce alkoholu do oblasti kolem určitých nervů v břiše může přerušit přenos bolesti
- Chirurgický výkon
- Přerušit určité nervy a tím zablokovat přenos bolesti
Výživa a terapie podvýživy
- Trpí často nechutenstvím vlivem chemoterapie, nádoru samotného
- Dostatek kalorií a bílkovin k zabránění váhového úbytku
- Léky nahrazující enzymy a hormony, které se tvoří ve slinivce
Zyflamend
- Supercritical fluid (CO2)
- Hydroalcoholic extracts of the herbs:
- Rosemary (Rosmarinus officinalis L.).
- Turmeric (Curcuma longa L.).
- Ginger (Zingiber officinale Roscoe).
- Holy basil (Ocimum sanctum L.).
- Green tea (Camellia sinensis [L.] Kuntze).
- Hu zhang (Polygonum cuspidatum Siebold & Zucc.).
- Chinese goldthread (Coptis chinensis Franch.).
- Barberry (Berberis vulgaris L.).
- Oregano (Origanum vulgare L.).
- Baikal skullcap (Scutellaria baicalensis Georgi).
- Suspended in olive oil
- Zyflamend has been shown to
- Suppress the expression of certain genes involved in the inflammatory response and in cancer progression
- Cyclooxygenase 1(COX-1)
- COX-2
- 5-lipoxygenase (5-LOX)
- 12-LOX
- Single-agent anticancer activity
- Improved cancer suppression when used with hormonal and chemotherapy agents.
- Use of this supplement is not associated with serious toxicity or adverse effects.
- Zyflamend may inhibit the growth of melanoma cells [20]
- COXs are enzymes that convert arachidonic acid into prostaglandins, which are thought to play a role in tumor development and metastasis
- COX-2, is activated during chronic disease states, such as cancer
- Zyflamend may suppress activation of nuclear factor-kappa B (NF-kappa B)
- Lipoxygenase isozymes 5-LOX and 12-LOX
- 0.25 µL/mL to 2 µL/mL of Zyflamend produced decreases in 5-LOX and 12-LOX expression in PC3 prostate cancer cells
- Inhibited cell proliferation and induced apoptosis
- Decrease in Rb phosphorylation (Rb proteins control cell-cycle-related genes)
- 200 µg/mL
- After 48 hours of treatment, a statistically significant reduction in cell growth was observed for Zyflamend-treated cells
- Insulin-like growth factor-1 (IGF-1; 0–100 ng/mL) alone or in combination with Zyflamend (200 µg/mL)
- IGF-1 alone exhibited statistically significant, dose-dependent increases in cell proliferation
- IGF-1 and Zyflamend showed significant decreases in cell proliferation
- Zyflamend
- Inhibits the expression of class I and class II histone deacetylases (HDAC)
- Upregulated their downstream target p21 suppressor gene
- Chinese goldthread and baikal skullcap appeared to be the most likely major contributors to the overall Zyflamend effect on HDAC expression.
- Human colorectal carcinoma cell lines in vitro with Zyflamend
- Nude mice with pancreatic cancer cell implants were randomly assigned to receive Zyflamend or a control treatment for 4 weeks
- Tumor cells from the Zyflamend-treated mice showed significant reductions in antiapoptotic proteins
- Significantly increased expression of DR5
- Nude mice with pancreatic cancer cell implants were randomly assigned to receive Zyflamend or a control treatment for 4 weeks
- Tumor cells from the Zyflamend-treated mice showed significant reductions in antiapoptotic proteins
- Significantly increased expression of DR5
- 2011 study, mice were also implanted with pancreatic cancer cells
- Gemcitabine and/or Zyflamend
- Combination treatment resulted in a significantly greater decrease in tumor growth than did treatment with gemcitabine or Zyflamend alone
- Zyflamend exerted its effects by sensitizing the pancreatic tumors to gemcitabine
- Through suppression of multiple targets linked to tumorigenesis