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Nathan Goodyear

The endocabbinoid system and the treatment of obesity - 0 views

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    nice review of CB1 receptors and the role they play in obesity. Endocabbinoid receptors play an important role in the hypothalamus control of metabolism and energy. CB1 is active both centrally and peripherally. Increased CB1 activity increases fat storage; decrease CB1 activity increases fatty acid oxidation through adiponectin.
Nathan Goodyear

Delta9-tetrahydrocannabinol induces apoptosis in C6 glioma cells. - PubMed - NCBI - 0 views

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    THC induces apoptosis of glioblastoma cells via CB1 receptor signaling.
Nathan Goodyear

Opioid-induced nausea and vomiting - Smith - Annals of Palliative Medicine - 0 views

  • Some of the “emetogenic” receptors that have been proposed are dopamine-2 (D2), histamine-1 (H1), DOR, 5-hydroxytryptamine (serotonin) (5-HT3), acetylcholine (ACh), neurokinin-1 (NK-1), and cannabinoid receptor-1 (CB1)
  • Olanzapine decreased morphine-induced nausea and vomiting in a dose-dependent manner.
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    Good review of meds for nausea.
Nathan Goodyear

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

  • 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
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  • 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
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