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Nathan Goodyear

Function of oncogenes in cancer development: a changing paradigm - 0 views

www.ncbi.nlm.nih.gov/...PMC3671260

cancer stem cells CSC cancer epigenetics oncogenes

shared by Nathan Goodyear on 05 Jun 20 - No Cached
  • Nathan Goodyear on 05 Jun 20
     
    to be read
Nathan Goodyear

Metabolic adaptations in cancers expressing isocitrate dehydrogenase mutations - Scienc... - 0 views

www.sciencedirect.com/...S2666379121003414

isocitrate dehydrogenase cancer IDH 2-HG 2-hydroxyglutarate

shared by Nathan Goodyear on 19 Jul 22 - No Cached
frankbkelly liked it
  • Nathan Goodyear on 19 Jul 22
     
    Oncogenic metabolic shift via the 2HG oncometabolite.
Nathan Goodyear

Metabolic management of brain cancer - 0 views

www.sciencedirect.com/...S0005272810006857

brain cancer

shared by Nathan Goodyear on 17 Jun 13 - No Cached
  • Glutamine is a major metabolic fuel for both brain tumor cells and tumor-associated macrophages (TAMs)
  • the malignant phenotype of brain tumor cells that survive radiotherapy is often greater than that of the cells from the original tumor.
  • Conventional chemotherapy has faired little better than radiation therapy for the long-term management of malignant brain cancer
  • ...37 more annotations...
  • most conventional radiation and brain cancer chemotherapies can enhance glioma energy metabolism and invasive properties, which would contribute to tumor recurrence and reduced patient survival [34].
  • We contend that all cancer regardless of tissue or cellular origin is a disease of abnormal energy metabolism
  • complex disease phenotypes can be managed through self-organizing networks that display system wide dynamics involving oxidative and non-oxidative (substrate level) phosphorylation
  • As long as brain tumors are provided a physiological environment conducive for their energy needs they will survive; when this environment is restricted or abruptly changed they will either grow slower, growth arrest, or perish [8] and [19]
  • New information also suggests that ketones are toxic to some human tumor cells and that ketones and ketogenic diets might restrict availability of glutamine to tumor cells [68], [69] and [70].
  • The success in dealing with environmental stress and disease is therefore dependent on the integrated action of all cells in the organism
  • Tumor cells survive in hypoxic environments not because they have inherited genes making them more fit or adaptable than normal cells, but because they have damaged mitochondria and have thus acquired the ability to derive energy largely through substrate level phosphorylation
  • Cancer cells survive and multiply only in physiological environments that provide fuels (mostly glucose and glutamine) subserving their requirement for substrate level phosphorylation
  • Integrity of the inner mitochondrial membrane is necessary for ketone body metabolism since β-hydroxybutyrate dehydrogenase, which catalyzes the first step in the metabolism of β-OHB to acetoacetate, interacts with cardiolipin and other phospholipids in the inner membrane
  • the mitochondria of many gliomas and most tumors for that matter are dysfunctional
  • Cardiolipin is essential for efficient oxidative energy production and mitochondrial function
  • Any genetic or environmental alteration in the content or composition of cardiolipin will compromise energy production through oxidative phosphorylation
  • The Crabtree effect involves the inhibition of respiration by high levels of glucose
  • the Warburg effect involves elevated glycolysis from impaired oxidative phosphorylation
  • the Crabtree effect can be reversible, the Warburg effect is largely irreversible because its origin is with permanently damaged mitochondria
  • The continued production of lactic acid in the presence of oxygen is the metabolic hallmark of most cancers and is referred to as aerobic glycolysis or the Warburg effect
  • We recently described how the retrograde signaling system could induce changes in oncogenes and tumor suppressor genes to facilitate tumor cell survival following mitochondrial damage [48].
  • In addition to glycolysis, glutamine can also increase ATP production under hypoxic conditions through substrate level phosphorylation in the TCA cycle after its metabolism to α-ketoglutarate
  • mitochondrial lipid abnormalities, which alter electron transport activities, can account in large part for the Warburg effect
  • targeting both glucose and glutamine metabolism could be effective for managing most cancers including brain cancer
  • The bulk of experimental evidence indicates that mitochondria are dysfunctional in tumors and incapable of generating sufficient ATP through oxidative phosphorylation
  • Cardiolipin defects in tumor cells are also associated with reduced activities of several enzymes of the mitochondrial electron transport chain making it unlikely that tumor cells with cardiolipin abnormalities can generate adequate energy through oxidative phosphorylation
  • The Crabtree effect involves the inhibition of respiration by high levels of glucose
  • Warburg effect involves elevated glycolysis from impaired oxidative phosphorylation
  • TCA cycle substrate level phosphorylation could therefore become another source of ATP production in tumor cells with impairments in oxidative phosphorylation
  • Caloric restriction, which lowers glucose and elevates ketone bodies [63] and [64], improves mitochondrial respiratory function and glutathione redox state in normal cells
  • DR naturally inhibits glycolysis and tumor growth by lowering circulating glucose levels, while at the same time, enhancing the health and vitality of normal cells and tissues through ketone body metabolism
  • DR is anti-angiogenic
  • DR also reduces angiogenesis in prostate and breast cancer
  • We suggest that apoptosis resistance arises largely from enhanced substrate level phosphorylation of tumor cells and to the genes associated with elevated glycolysis and glutaminolysis, e.g., c-Myc, Hif-1a, etc, which inhibit apoptosis
  • Modern medicine has not looked favorably on diet therapies for managing complex diseases especially when well-established procedures for acceptable clinical practice are available, regardless of how ineffective these procedures might be in managing the disease
  • More than 60 years of clinical research indicates that such approaches are largely ineffective in extending survival or improving quality of life
  • The process is rooted in the well-established scientific principle that tumor cells are largely dependent on substrate level phosphorylation for their survival and growth
  • Glucose and glutamine drive substrate level phosphorylation
  • targeting the glycolytically active tumor cells that produce pro-cachexia molecules, restricted diet therapies can potentially reduce tumor cachexia
  • It is important to recognize, however, that “more is not better” with respect to the ketogenic diet
  • Blood glucose ranges between 3.0 and 3.5 mM (55–65 mg/dl) and β-OHB ranges between 4 and 7 mM should be effective for tumor management
  • Nathan Goodyear on 17 Jun 13
     
    Dr Seyfriend presents his metabolic approach to the treatment of brain cancer.
Nathan Goodyear

Genomic agonism and phenotypic antagonism between estrogen and progesterone receptors i... - 0 views

advances.sciencemag.org/...e1501924.full

progesterone PR progesterone receptors progesterone receptor cancer breast cancer hormones

shared by Nathan Goodyear on 29 Jun 16 - No Cached
  • The presence and activity of PR significantly affect the prognostic value of ER.
  • The observed loss of PR protein expression in a subset of ER+/PR+ breast cancers, because of hypermethylation or deletion of the PR gene locus, results in the loss of ER prognostic value
  • These findings emphasize the clinical value of assessing both PR and ER expression in breast cancer samples
  • ...7 more annotations...
  • PR is an essential modulator of ER-regulated genes but also that it significantly contributes to the prognostic value of ER in ER+/PR+ breast cancers
  • PR-regulated genes have independent prognostic value, and the presence of PR correlates with favorable clinicopathological outcomes
  • this study demonstrates that progestin-activated PR redirects ER chromatin binding and functions as a genomic estrogen agonist and as a phenotypic estrogen antagonist in ER+/PR+ breast cancer cells and human tumors
  • Approximately 80% of ER+ breast cancers are also positive for PR,
  • In isolation, both hormones activate or inhibit cellular processes in similar directions, although the magnitude of these effects is less for progestin alone than for estrogen alone
  • PR-mediated antagonism of estrogenic phenotypes is well documented
  • joint activation of ER and PR antagonized ER-regulated oncogenic processes
  • Nathan Goodyear on 29 Jun 16
     
    WOW!!  study finds that progesterone through PR activity antagonizes ER protein expression by the cell.  This has huge implications in breast cancer and possible prostate cancer.  But then again, women don't need progesterone; only estrogen.  The presence of PR correlates with improved clinicopathological outcomes.  The authors do seem to get confused about progesterone and progestins.  They are not one in the same.
Nathan Goodyear

Oleic acid, the main monounsaturated fatty acid of olive oil, suppresses Her-... - 0 views

annonc.oxfordjournals.org/...359.abstract

breast cancer oleic acid extra virgin olive oil

shared by Nathan Goodyear on 30 Nov 10 - No Cached
  • Nathan Goodyear on 30 Nov 10
     
    Olive Oil helps in Breast Cancer therapy
Nathan Goodyear

Mitochondrial Fission Induces Glycolytic Reprogramming in Cancer-Associated Myofibrobla... - 0 views

www.ncbi.nlm.nih.gov/...PMC3478457

warburg effect Cancer cancer associated fibroblasts CAFs reverse warburg effect lactate aerobic glycolysis mitochondria oxidative stress ROS H2O2

shared by Nathan Goodyear on 11 Nov 14 - No Cached
  • L-lactate functions as an onco-metabolite, stimulating mitochondrial biogenesis and OXPHOS in adjacent cancer cells, directly providing energy for tumor growth
  • Oxidative stress in stromal fibroblasts then induces their metabolic conversion into cancer-associated fibroblasts. Such oxidative stress drives the onset of autophagy, mitophagy, and aerobic glycolysis in fibroblasts, resulting in the local production of high-energy mitochondrial fuels (such as L-lactate, ketone bodies, and glutamine). These recycled nutrients are then transferred to cancer cells, where they are efficiently burned via oxidative mitochondrial metabolism (OXPHOS)
  • stromal L-lactate serves as a high-energy mitochondrial “fuel” for cancer cells. We have termed this new model of cancer metabolism “Two-Compartment Tumor Metabolism”, where two opposing metabolic compartments co-exist, side-by-side, with stromal glycolysis fueling OXPHOS in cancer cells
  • ...10 more annotations...
  • Two-Compartment Tumor Metabolism
  • Reverse Warburg Effect”, is that catabolic fibroblasts should promote tumor growth, without any increases in angiogenesis
  • when cancer cells use L-lactate as a mitochondrial fuel source, this metabolic phenotype is a predictor of lethal cancer metabolism
  • tumor microenvironment is intimately involved in tumor development and progression
  • mitochondrial dysregulation is likely the “root cause” of several human disease(s), and especially epithelial cancers
  • Both in vitro and in vivo studies have now provided convincing evidence that “activated” stromal fibroblasts, a.k.a., myofibroblasts, may play a critical role in initiating tumor recurrence, via paracrine interactions with adjacent tumor epithelial cells
  • A new hypothesis is that cancer is not a cell autonomous disease, but rather a disease of the tumor microenvironment
  • cancer cells behave as metabolic parasites, by inducing oxidative stress in adjacent normal fibroblasts
  • recent experimental evidence indicates that cancer-associated fibroblasts have a catabolic phenotype, and undergo autophagy and mitophagy, resulting in the onset of glycolytic metabolism, driving L-lactate production, and its release into the tumor microenvironment
  • oncogenic mutations in cancer cells lead to ROS production and the “secretion” of hydrogen peroxide species
  • Nathan Goodyear on 11 Nov 14
     
    A good discussion of what is proposed the Reverse Warburg effect.  A process by which the local environment dictates tumor progression.  The cancer cells release ROS primarily in the form of H2O2 and this leads to Cancer Associated Fibroblasts (CAFs) in the stroma.  The altered stromal environment increases ROS further and promotes ocogenic metabolites through the classic Warburg effect.  This high lactate production from the CAFs then is used by the cancer cells via classic oxidative phosphorylation.  Complex, beautiful and still an the understanding is a work in progress.   This study/article points to the importance of oxidative stress in some cancer development through CAFs.
Nathan Goodyear

Dichloroacetate (DCA) sensitizes both wild-type and over expressing Bcl-2 prostate canc... - 0 views

www.ncbi.nlm.nih.gov/...18465755

DCA dichloroacetate dichloracetic acid cancer "prostate cancer"

shared by Nathan Goodyear on 07 Nov 18 - No Cached
  • Nathan Goodyear on 07 Nov 18
     
    DCA inhibits bcl to promote apoptosis and inhabit prostate cancer cell growth.
Nathan Goodyear

Human papillomavirus and Epstein Barr virus in prostate cancer: Koilocytes indicate pot... - 0 views

onlinelibrary.wiley.com/...pros.22562

cancer virus prostate cancer EBV HPV Epstein-Barr virus human papilloma virus

shared by Nathan Goodyear on 03 Oct 18 - No Cached
  • Nathan Goodyear on 03 Oct 18
     
    Is prostate cancer the result of viral infection.  Study suggests HPV and EBV play a role.
Nathan Goodyear

Adenoid cystic carcinoma: current therapy and potential therapeutic advances based on g... - 0 views

www.ncbi.nlm.nih.gov/...PMC4741919

adenoid cystic carcinoma

shared by Nathan Goodyear on 03 Oct 18 - No Cached
  • Cisplatin and 5-FU or CAP (cisplatin, doxorubicin, and cyclophosphamide) regimens can be used for combination chemotherapy
  • patients with advanced salivary gland malignancy treated with the CAP regimen achieved partial response (PR) or stable disease (SD) rates of 67% (8 out of 12 patients)
  • Agents commonly given as monotherapy for treating ACC are cisplatin, mitoxantrone, epirubicin, vinorelbine, paclitaxel, and gemcitabine. However, few of these agents have shown efficacy
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  • single agent mitoxantrone or vinorelbine were recommended as reasonable choices
  • ACC is subdivided into 3 histological groups based on solid components of the tumor including cribriform, tubular, and solid
  • Cribriform and tubular ACCs usually exhibit a more indolent course, whereas the solid subtype is associated with worse prognosis
  • ACC consists of two different cell types: inner luminal epithelial cells and outer myoepithelial cells
  • epithelial cells express c-kit, cox-2 and Bcl-2
  • myoepithelial cells express EGFR and MYB
  • a balanced translocation of the v-myb avian myeloblastosis viral oncogene homolog-nuclear factor I/B (MYB-NFIB) is considered to be a signature molecular event of ACC oncogenesis
  • As a transcription factor, MYB is known to modulate multiple genetic downstream targets involved in oncogenesis, such as cox-2, c-kit, Bcl-2 and BclX
  • Various signaling cascades are essential for cancer cells to survive and grow. The PI3K/Akt/mTOR pathway is one of them
  • This pathway regulates cell survival and growth and is upregulated in many cancers
  • Mutations in genes associated with DNA repair are frequently found in familial cancer syndromes, such as hereditary breast-ovarian cancer syndrome (HBOC), hereditary non-polyposis colorectal cancer (HNPCC, also called Lynch syndrome) and Li-Fraumeni syndrome [30, 31]. These mutations were also reported in non-hereditary cancers
  • 70% of ACC samples (58 of 84) were found to have genetic alterations in the MYB/MYC pathway, indicating that changes in this pathway are crucial in ACC pathogenesis
  • The second most frequently mutated pathway was involved in chromatin remodeling (epigenetic modification), a pathway that includes multiple histone related proteins, and was altered in 44% of samples
  • C-kit
  • VEGF, iNOS and NF-κB were noted to be highly expressed in ACC cells as compared to normal salivary gland cells
  • members of the SOX family, such as SOX 4 and SOX10, are overexpressed in ACC
  • FABP7 (Fatty acid binding protein 7) and AQP1 (Aquaporin 1) tend to be overexpressed in ACC cell lines
  • considerable variability in HER2 overexpression ranging from 0–58% in patients with ACC
  • the study with cetuximab and concurrent chemoradiation or chemotherapy showed the highest ORR (total 43%, 9.5% CR and 33% PR), but this regimen was only given to the EGFR positive patients
  • Cancer immunotherapy can be classified into 3 major groups. Active immunization using anti-tumor vaccines to induce and recruit T cells, passive immunization based on monoclonal antibodies, and adoptive cell transfer to expand tumor-reactive autologous T cells ex vivo and then reintroduce these cells into the same individual
  • LAK cells showed cytotoxicity against ACC cells
  • cytokine-induced cell apoptosis and the cytotoxic effect of the LAK cells contributed to tumor regression
  • molecular finding of the MYB-NFIB fusion gene has the greatest potential to target what appears to be a fundamental event in disease pathogenesis
  • Nathan Goodyear on 03 Oct 18
     
    good review of adenoid cystic carcinoma
Nathan Goodyear

Anticancer mechanisms of cannabinoids - 0 views

www.ncbi.nlm.nih.gov/...PMC4791144

THC cannabinoids cancer

shared by Nathan Goodyear on 18 Sep 18 - No Cached
  • modulating key cell signalling pathways involved in the control of cancer cell proliferation and survival
  • cannabinoids inhibit angiogenesis and decrease metastasis in various tumour types in laboratory animals
  • Cannabis sativa L. (marijuana)
  • ...41 more annotations...
  • of the approximately 108 cannabinoids produced by C. sativa, Δ9-tetrahydrocannabinol (thc) is the most relevant because of its high potency and abundance in plant preparations
  • Tetrahydrocannabinol exerts a wide variety of biologic effects by mimicking endogenous substances—the endocannabinoids anandamide3 and 2-arachidonoylglycerol4,5—that engage specific cell-surface cannabinoid receptors
  • the cb2 receptor was initially described to be present in the immune system6, but was more recently shown to also be expressed in cells from other origins
  • transient receptor potential cation channel subfamily V, member 1
  • orphan G protein–coupled receptor 55
  • Most of the effects produced by cannabinoids in the nervous system and in non-neural tissues rely on cb1 receptor activation
  • two major cannabinoid-specific receptors—cb1 and cb2
  • cardiovascular tone, energy metabolism, immunity, and reproduction
  • cannabinoids are well known to exert palliative effects in cancer patients
  • best-established use is the inhibition of chemotherapy-induced nausea and vomiting
  • thc and other cannabinoids exhibit antitumour effects in a wide array of animal models of cancer
  • cannabinoid receptors and their endogenous ligands are both generally upregulated in tumour tissue compared with non-tumour tissue
  • cb2 promotes her2 (human epidermal growth factor receptor 2) pro-oncogenic signalling in breast cancer
  • pharmacologic activation of cannabinoid receptors decreases tumour growth
  • endocannabinoid signalling can also have a tumour-suppressive role
  • pharmacologic stimulation of cb receptors is, in most cases, antitumourigenic. Nonetheless, a few reports have proposed a tumour-promoting effect of cannabinoids
  • most prevalent effect is the induction of cancer cell death by apoptosis and the inhibition of cancer cell proliferation
  • impair tumour angiogenesis and block invasion and metastasis
  • thc and other cannabinoids induce the apoptotic death of glioma cells by cb1- and cb2-dependent stimulation
  • Autophagy is primarily a cytoprotective mechanism, although its activation can also lead to cell death
  • autophagy is important for cannabinoid antineoplastic activity
  • autophagy is upstream of apoptosis in the mechanism of cannabinoid-induced cell death
  • the effect of cannabinoids in hormone- dependent tumours might rely, at least in part, on the ability to interfere with the activation of growth factor receptors
  • glioma cells), pharmacologic blockade of either cb1 or cb2 prevents cannabinoid-induced cell death with similar efficacy
  • other types of cancer cells (pancreatic48, breast24, or hepatic43 carcinoma cells, for example), antagonists of cb2 but not of cb1 inhibit cannabinoid antitumour actions
  • thc promotes cancer cell death in a cb1- or cb2-dependent manner (or both) at lower concentrations
  • cannabidiol (cbd), a phytocannabinoid with a low affinity for cannabinoid receptors15, and other marijuana-derived cannabinoids57 have also been proposed to promote the apoptotic death of cancer cells acting independently of the cb1 and cb2 receptors
  • In cancer cells, cannabinoids block the activation of the vascular endothelial growth factor (vegf) pathway, an inducer of angiogenesi
  • In vascular endothelial cells, cannabinoid receptor activation inhibits proliferation and migration, and induces apoptosis
  • cb1 or cb2 receptor agonists (or both) reduce the formation of distant tumour masses in animal models of both induced and spontaneous metastasis, and inhibit adhesion, migration, and invasiveness of glioma64, breast65,66, lung67,68, and cervical68 cancer cells in culture
  • the ceramide/p8–regulated pathway plays a general role in the antitumour activity of cannabinoids targeting cb1 and cb2
  • cbd, by acting independently of the cb1 and cb2 receptors, produces a remarkable anti-tumour effect—including reduction of invasiveness and metastasis
  • cannabinoids can also enhance immune system–mediated tumour surveillance in some contexts
  • ability of thc to reduce inflammation75,76, an effect that might prevent certain types of cancer
  • recent observations suggest that the combined administration of cannabinoids with other anticancer drugs acts synergistically to reduce tumour growth
  • combined administration of gemcitabine (the benchmark agent for the treatment of pancreatic cancer) and various cannabinoid agonists synergistically reduced the viability of pancreatic cancer cells
  • Other reports indicated that anandamide and HU-210 might also enhance the anticancer activity of paclitaxel89 and 5-fluorouracil90 respectively
  • Combined administration of thc and cbd enhances the anticancer activity of thc and reduces the dose of thc needed to induce its tumour growth-inhibiting activity
  • Preclinical animal models have yielded data indicating that systemic (oral or intraperitoneal) administration of cannabinoids effectively decreases tumour growth
  • Combinations of cannabinoids with classical chemotherapeutic drugs such as the alkylating agent temozolomide (the benchmark agent for the management of glioblastoma80,84) have been shown to produce a strong anticancer action in animal models
  • pharmacologic inhibition of egfr, erk83, or akt enhances the cell-death-promoting action of thc in glioma cultures (unpublished observations by the authors), which suggests that targeting egfr and the akt and erk pathways could enhance the antitumour effect of cannabinoids
  • Nathan Goodyear on 18 Sep 18
     
    Good review of the anticancer effects of cananbinoids.
Nathan Goodyear

Role of cannabinoid receptor CB2 in HER2 pro-oncogenic signaling in breast cancer. - Pu... - 0 views

www.ncbi.nlm.nih.gov/...25855725

CB2 endocannabinoid HER2 HER-2 cancer breast cancer

shared by Nathan Goodyear on 18 Sep 18 - No Cached
  • Nathan Goodyear on 18 Sep 18
     
    CB2 overexpression found to upregulate HER2 expression in breast cancer.  This has prognostic and therapeutic value.
Nathan Goodyear

The current state and future perspectives of cannabinoids in cancer biology - 0 views

www.ncbi.nlm.nih.gov/...PMC5852356

Cancer CBD THC cannabinoids

shared by Nathan Goodyear on 19 Sep 18 - No Cached
hoangkimchi liked it
  • The activation of each of them leads to an inhibition of adenylyl cyclase via G proteins (Gi/o), which in turn activates many metabolic pathways such as mitogen‐activated protein kinase pathway (MAPK), phosphoinositide 3‐kinase pathway (PI3K), cyclooxygenase‐2 pathway (COX‐2), accumulation of ceramide, modulation of protein kinase B (Akt), and ion channels
  • phytocannabinoids, endocannabinoids, and synthetic cannabinoids
  • Action of THC in human organism relies on mimicking endogenous agonists of CB receptors—endocannabinoids
  • ...8 more annotations...
  • The upregulated expression of CB receptors and the elevated levels of endocannabinoids have been observed in a variety of cancer cells (skin, prostate, and colon cancer, hepatocellular carcinoma, endometrial sarcoma, glioblastoma multiforme, meningioma and pituitary adenoma, Hodgkin lymphoma, chemically induced hepatocarcinoma, mantel cell lymphoma)
  • concentration of endocannabinoids, expression level of their receptors, and the enzymes involved in their metabolism frequently are associated with an aggressiveness of cancer
  • CB2 receptor contributes to human epidermal growth factor receptor (HER2) pro‐oncogenic signaling and an overexpression of CB2 increases susceptibility for leukemia development after leukemia viral infection
  • endocannabinoid‐degrading enzymes are upregulated in cancer cell lines and in human tumors
  • Many cannabinoids, ranging from phytocannabinoids (THC, CBD), endocannabinoids (2‐arachidonoylglycerol, anandamide), to synthetic cannabinoids (JWH‐133, WIN‐55,212‐2), have shown ability to inhibit proliferation, metastasis, and angiogenesis in a variety of models of cancer
  • Despite some inconsistent data, the main effect of cannabinoids in a tumor is the inhibition of cancer cells’ proliferation and induction of cancer cell death by apoptosis
  • CB1 and CB2 receptor agonists stimulate apoptotic cell death in glioma cells by induction of de novo synthesis of ceramide, sphingolipid with proapoptotic activity
  • process of autophagy is upstream of apoptosis in mechanism of cell death induced by cannabinoids
Nathan Goodyear

Antitumor effect of avermectins. - PubMed - NCBI - 0 views

www.ncbi.nlm.nih.gov/...15464058

ivermectin cancer

shared by Nathan Goodyear on 21 Mar 18 - No Cached
  • Nathan Goodyear on 21 Mar 18
     
    Ivermectin shown to inhibit tumor growth by up to 80% after intraperitoneal injection.  This effect was found following the administration of vincristine.
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