Category: Aging

Life Serotonin Supplementation Update: UK Microdosing LSD and Serotonin Receptors

4/19/2017

Serotonin Receptor by S Jahnichen

A 10 April 2017 BBC story, Microdosing: The people taking LSD with their breakfast, reports individuals regularly taking small amounts of LSD for health.

A look at “serotonin” on Wikipedia reveals why people would be supplementing their serotonin systems for health:

Serotonin Receptor Actions/Modulations

Memory
Learning
Anxiety
Depression
Schizophrenia
Regulating the release of serotonin
Analgesia
Aggression
Dopamine release in prefrontal cortex
Vasoconstriction
Bone mass
Psychedelia [note: “Physiodelia” is often a better word]
Norepinephrine release
Glutamate release in prefrontal cortex
Urinary bladder contractions
Cardiovascular functioning
Empathy (via the spindle neurons)
Dopamine release into the mesocorticolimbic pathway
Acetylcholine [nicotinic] release in prefrontal cortex
Appetite
Anti-psychotic
Emesis
Anxiolysis [calming]
Movement of food across the GI tract
Memory consolidation
Cognition

One could easily add laughter, dreams (day and night), prayer and meditation to things our serotonin receptors modulate.

*Next Up: 26 April and a Life Serotonin Supplementation (LSS) on Physiodelia.

Posted by Bryan W. Brickner

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Homeostasis: Publius’ Sleep Political Cannabinoid Science

9/29/2014

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The Cannabis Papers by Publius (2011)

The Cannabis Papers: A citizen’s guide to cannabinoids (2011)
By Publius

Sleep Edition

Today’s political cannabinoid science looks at five 2014 PubMed articles on how the cannabinoid system (CS) modulates homeostasis and sleep; of political note, there’s one on CS deficiency disguised as “cannabis withdrawal” (i.e., the pharmaceutical cannabinoid Nabilone). The line-up links to CS PubMed articles discussing: de-homeostatic sleep disturbances, REM transitions, aging with THC, the wake-inducing effects of CBD, and arousal sleep regulation.

Some (Sleepy) Shakespeare ~ Sonnet 27
“Weary with toil, I haste to my bed,
The dear repose for limbs with travel tired;
But then begins a journey in my head,
To work my mind when body’s work’s expired.”

I. De-Homeostasis (Sleep Disturbances) and CS Withdrawal
“Chronic cannabis use has been associated with the development of a withdrawal syndrome on abrupt discontinuation. Withdrawal symptoms typically begin within 24 h of abstinence and manifest as irritability, nervousness, sleep disturbances and decreased appetite. There is growing evidence that supports the use of plant-derived and synthetic cannabinoids for the treatment of cannabis withdrawal. In this case report, we present 20-year-old woman who developed protracted nausea and vomiting secondary to cannabis withdrawal and was successfully treated with nabilone. Nausea and vomiting is not listed in the Diagnostic and Statistical Manual-5 diagnostic criteria for cannabis withdrawal syndrome and is an uncommon symptom presentation.”
Nabilone therapy for cannabis withdrawal presenting as protracted nausea and vomiting.
Lam PW, Frost DW.
BMJ Case Rep. 2014 Sep 22;2014. pii: bcr2014205287. doi: 10.1136/bcr-2014-205287.
PMID: 25246463 [PubMed - in process]
Related citations

II. Homeostasis (Astrocytes and the Reticular Activating System) and the CS/CB1
“The pedunculopontine nucleus (PPN) is known as the cholinergic part of the reticular activating system (RAS) and it plays an important role in transitions of slow-wave sleep to REM sleep and wakefulness. … Taken together, we propose that cannabinoid receptor stimulation modulates PPN neuronal activity in the following manner: active neurons may elicit calcium waves in astrocytes via endogenous CB1 receptor agonists. Astrocytes in turn release glutamate that activates different metabotropic glutamate receptors of neurons and modulate PPN neuronal activity.”
Endocannabinoid signaling modulates neurons of the pedunculopontine nucleus (PPN) via astrocytes.
Kőszeghy A, Kovács A, Bíró T, Szücs P, Vincze J, Hegyi Z, Antal M, Pál B.
Brain Struct Funct. 2014 Jul 10. [Epub ahead of print]
PMID: 25009314 [PubMed - as supplied by publisher]
Related citations

III. Homeostasis (Aging and the Effectiveness of THC) and the CS
“Overall, the pharmacodynamic effects of THC were smaller than effects previously reported in young adults. In conclusion, THC appeared to be safe and well tolerated by healthy older individuals. Data on safety and effectiveness of THC in frail older persons are urgently required, as this population could benefit from the therapeutic applications of THC.”
Safety and pharmacokinetics of oral delta-9-tetrahydrocannabinol in healthy older subjects: A randomized controlled trial.
Ahmed AI, van den Elsen GA, Colbers A, van der Marck MA, Burger DM, Feuth TB, Rikkert MG, Kramers C.
Eur Neuropsychopharmacol. 2014 Jun 28. pii: S0924-977X(14)00175-8. doi: 10.1016/j.euroneuro.2014.06.007. [Epub ahead of print]
PMID: 25035121 [PubMed - as supplied by publisher]
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IV. Homeostasis (CBD as a Wake-Inducing Agent) and the CS
“Over the last decades, the scientific interest in chemistry and pharmacology of cannabinoids has increased. Most attention has focused on ∆(9)-tetrahydrocannabinol (∆(9)-THC) as it is the psychoactive constituent of Cannabis sativa (C. sativa). However, in previous years, the focus of interest in the second plant constituent with non-psychotropic properties, cannabidiol (CBD) has been enhanced. Recently, several groups have investigated the pharmacological properties of CBD with significant findings; furthermore, this compound has raised promising pharmacological properties as a wake-inducing drug. In the current review, we will provide experimental evidence regarding the potential role of CBD as a wake-inducing drug.”
Potential effects of cannabidiol as a wake-promoting agent.
Murillo-Rodríguez E, Sarro-Ramírez A, Sánchez D, Mijangos-Moreno S, Tejeda-Padrón A, Poot-Aké A, Guzmán K, Pacheco-Pantoja E, Arias-Carrión O.
Curr Neuropharmacol. 2014 May;12(3):269-72. doi: 10.2174/1570159X11666131204235805.
PMID: 24851090 [PubMed]
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V. Homeostasis (Arousal and Sleep) and the CS/CB1
"Cannabinoid type 1 (CB1) receptors are highly expressed in the brain and play a role in behavior control. ... The occurrence of multiple sleep alterations in KO [knock-out] indicates important roles of CB1 receptors in limiting arousal during the active period of the day, in sleep regulation, and in sleep EEG in mice."
Multiple sleep alterations in mice lacking cannabinoid type 1 receptors.
Silvani A, Berteotti C, Bastianini S, Lo Martire V, Mazza R, Pagotta U, Quarta C, Zoccoli G.
PLoS One. 2014 Feb 20;9(2):e89432. doi: 10.1371/journal.pone.0089432.
eCollection2014.
PMID: 24586778 [PubMed - in process] Free PMC Article

Video: Density of Cannabinoid Receptors in the Brain and Human Body
~
Posted by Bryan W. Brickner

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Homeostasis: Publius’ Alcohol Political Cannabinoid Science

8/30/2014

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The Cannabis Papers by Publius (2011)

The Cannabis Papers: A citizen’s guide to cannabinoids (2011)

By Publius

Today’s science roundup looks at four articles on how the cannabinoid system (CS) modulates our health through homeostasis ~ including one on the de-homeostatic (harmful) effects caused by chronic alcohol use on one’s CS. The line-up links to 2014 PubMed articles discussing: heteromerization, chronic alcohol harms, sensory information salience and stress response attenuation.

I. Heteromerization (GPR55 and CB2) and the CS
“In HEK293 cells expressing GPR55 and cannabinoid CB2 R receptors, heteromers that are unique signaling units are formed. The signaling by agonists of either receptor is governed i) by the presence or absence of the partner receptors (with the consequent formation of heteromers) and ii) by the activation state of the partner receptor.”
Heteromerization of GPR55 and cannabinoid CB2 receptors modulates signaling.
Balenga NA, Martínez-Pinilla E, Kargl J, Schröder R, Peinhaupt M, Platzer W, Bálint Z, Zamarbide M, Dopeso-Reyes I, Ricobaraza A, Pérez-Ortiz JM, Kostenis E, Waldhoer M, Heinemann A, Franco R.
Br J Pharmacol. 2014 Jul 22. doi: 10.1111/bph.12850. [Epub ahead of print]
PMID: 25048571 [PubMed - as supplied by publisher]
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II. De-Homeostasis (Chronic Alcohol Use) and the CS
“Chronic use of alcohol is associated with structural and functional alterations in brain areas that subserve cognitive processes. Of particular importance is the prefrontal cortex (PFC) that is involved in higher order behaviors such as decision making, risk assessment and judgment. … Overall, these results suggest that ethanol's down-regulation of cannabinoid signaling results in altered network activity in the prefrontal cortex.”
Chronic ethanol alters network activity and endocannabinoid signaling in the prefrontal cortex.
Pava MJ, Woodward JJ.
Front Integr Neurosci. 2014 Jul 18;8:58. doi: 10.3389/fnint.2014.00058. eCollection 2014.
PMID: 25100953 [PubMed] Free Article
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III. Homeostasis (Sensory Information) and the CS
“Emerging evidence from both basic and clinical research demonstrates an important role for endocannabinoid (ECB) signaling in the processing of emotionally salient information, learning, and memory. Cannabinoid transmission within neural circuits involved in emotional processing has been shown to modulate the acquisition, recall, and extinction of emotionally salient memories and importantly, can strongly modulate the emotional salience of incoming sensory information.”
The role of cannabinoid transmission in emotional memory formation: implications for addiction and schizophrenia.
Tan H, Ahmad T, Loureiro M, Zunder J, Laviolette SR.
Front Psychiatry. 2014 Jun 30;5:73. doi: 10.3389/fpsyt.2014.00073. eCollection 2014. Review.
PMID: 25071606 [PubMed] Free PMC Article
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IV. Homeostasis (Stress Response) and the CS
“Endocannabinoids are produced on demand and function to attenuate many of the physiological effects of the stress response. The endocannabinoid system is made up of cannabinoid receptors, the fatty acid signaling molecules that bind to and activate these receptors, and the enzymes that synthesize and catabolize these endocannabinoid signaling molecules.”
The endocannabinoid system modulates stress, emotionality, and inflammation.
Crowe MS, Nass SR, Gabella KM, Kinsey SG.
Brain Behav Immun. 2014 Jun 19. pii: S0889-1591(14)00172-X. doi: 10.1016/j.bbi.2014.06.007. [Epub ahead of print] Review.
PMID: 24953427 [PubMed - as supplied by publisher]
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Brain Video:
Why Do Some People Become Alcoholics?

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Alzheimer’s, Cancer and Homeostatic Cannabinoid Science

6/29/2014

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The Cannabis Papers by Publius (2011)

The Cannabis Papers: A citizen’s guide to cannabinoids (2011)
By Publius

The CS World Cup: Goaltender Edition

Today, tending to the goals of mediating Alzheimer’s and preventing carcinogenesis, Publius spotlights two June abstracts from PubMed on the homeostatic cannabinoid system (CS). For Alzheimer’s disease it is CS modulation of cognitive decline; for preventing carcinogenesis the findings unveil a previously unknown CS signaling platform: CB2-GPR55 receptor heteromers.

I. CS Mediates Cognitive Decline In Alzheimer's Disease

Set: “It has been widely reported that β-amyloid peptide (Aβ) blocks long-term potentiation (LTP) of hippocampal synapses. Here, we show evidence that Aβ more potently blocks the potentiation of excitatory postsynaptic potential (EPSP)-spike coupling (E-S potentiation). This occurs, not by direct effect on excitatory synapses or postsynaptic neurons, but rather through an indirect mechanism: reduction of endocannabinoid-mediated peritetanic disinhibition.”

Setting: “During high-frequency (tetanic) stimulation, somatic synaptic inhibition is suppressed by endocannabinoids. We find that Aβ prevents this endocannabinoid-mediated disinhibition, thus leaving synaptic inhibition more intact during tetanic stimulation.”

Science: “This intact inhibition opposes the normal depolarization of hippocampal pyramidal neurons that occurs during tetanus, thus opposing the induction of synaptic plasticity. Thus, a pathway through which Aβ can act to modulate neural activity is identified, relevant to learning and memory and how it may mediate aspects of the cognitive decline seen in Alzheimer's disease.”
β-Amyloid Inhibits E-S Potentiation through Suppression of Cannabinoid Receptor 1-Dependent Synaptic Disinhibition.
Orr AL, Hanson JE, Li D, Klotz A, Wright S, Schenk D, Seubert P, Madison DV.
Neuron. 2014 Jun 18;82(6):1334-45. doi: 10.1016/j.neuron.2014.04.039.
PMID: 24945775 [PubMed - in process]
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II. CS Oncology Signaling Unveiled: Evidence of Previously Unknown Platforms

Set: “The G protein-coupled receptors CB2 (CB2R) and GPR55 are overexpressed in cancer cells and human tumors. As a modulation of GPR55 activity by cannabinoids has been suggested, we analyzed whether this receptor participates in cannabinoid effects on cancer cells.”

Setting: “Here, we show that CB2R and GPR55 form heteromers in cancer cells, that these structures possess unique signaling properties, and that modulation of these heteromers can modify the antitumoral activity of cannabinoids in vivo.”

Science: “These findings unveil the existence of previously unknown signaling platforms that help explain the complex behavior of cannabinoids and may constitute new targets for therapeutic intervention in oncology.”
Targeting CB2-GPR55 Receptor Heteromers Modulates Cancer Cell Signaling.
Moreno E, Andradas C, Medrano M, Caffarel MM, Pérez-Gómez E, Blasco-Benito S, Gómez-Cañas M, Pazos MR, Irving AJ, Lluís C, Canela EI, Fernández-Ruiz J, Guzmán M, McCormick PJ, Sánchez C.
J Biol Chem. 2014 Jun 18. pii: jbc.M114.561761. [Epub ahead of print]
PMID: 24942731 [PubMed - as supplied by publisher] Free Article
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Video: Homeostasis 1, Physiological Principles ~ Dr. John Campbell

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Solstice Serotonin (5HTP) Science Stories

6/20/2014

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Life ~ circa 2014

Serotonin activation was our topic on 19 April 2014; it’s serotonin life sciences today with the precursor 5-HTP (5-hydroxytryptophan) in highlight.

Below are four (brief) science stories from the National Institutes of Health (PubMed). Shortened titles should suffice to suggest the main themes: Therapeutic 5-HTP, Hot Flash and Breast Cancer Reduction, Irritable Bowels, and Morphine’s Efficacy. The links and quotes are from PubMed (1998-2014).

Healthy Solstice Everyone!
~.~
Therapeutic 5-HTP Has Been Shown … (1998)
“5-Hydroxytryptophan (5-HTP) is the intermediate metabolite of the essential amino acid L-tryptophan (LT) in the biosynthesis of serotonin. Intestinal absorption of 5-HTP does not require the presence of a transport molecule, and is not affected by the presence of other amino acids; therefore it may be taken with meals without reducing its effectiveness. … Therapeutic administration of 5-HTP has been shown to be effective in treating a wide variety of conditions, including depression, fibromyalgia, binge eating associated with obesity, chronic headaches, and insomnia.”
5-Hydroxytryptophan: a clinically-effective serotonin precursor.
Birdsall TC.
Altern Med Rev. 1998 Aug;3(4):271-80. Review.
PMID: 9727088 [PubMed - indexed for MEDLINE] Free Article
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Hot Flash (and Breast Cancer) Reduction: a hypothesis (2005)
“This would be particularly desirable for menopausal women with breast cancer or with risks of breast cancer. This article discusses the background information on hot flashes, SSRIs, tryptophan, and 5HTP, and possible clinical application of 5HTP for menopausal women with breast cancer risk.”
The potential of 5-hydryoxytryptophan for hot flash reduction: a hypothesis.
Curcio JJ, Kim LS, Wollner D, Pockaj BA.
Altern Med Rev. 2005 Sep;10(3):216-21.
PMID: 16164376 [PubMed - indexed for MEDLINE] Free Article
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A Serotonin-mediated Mechanism in Bowels (2014)
“Oral 5-HTP induced alterations in mucosal 5-HT metabolism. In healthy controls, a reinforcement of the intestinal barrier was seen whereas such reaction was absent in IBS [irritable bowel syndrome] patients. This could indicate the presence of a serotonin-mediated mechanism aimed to reinforce intestinal barrier function, which seems to dysfunction in IBS patients.”
Serotonergic reinforcement of intestinal barrier function is impaired in irritable bowel syndrome.
Keszthelyi D, Troost FJ, Jonkers DM, van Eijk HM, Lindsey PJ, Dekker J, Buurman WA, Masclee AA.
Aliment Pharmacol Ther. 2014 Jun 18. doi: 10.1111/apt.12842. [Epub ahead of print]
PMID: 24943480 [PubMed - as supplied by publisher]
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Serotonin and Morphine’s Efficacy (2014)
“Systemic administration of morphine increases 5-HT levels in the spinal cord, and the increase in 5-HT contributes to morphine-induced analgesia in the normal state but attenuates that in neuropathic pain through spinal 5-HT3 receptors. The plasticity of the descending serotonergic system may contribute to the reduced efficacy of systemic morphine in neuropathic pain.”
Peripheral Nerve Injury Reduces Analgesic Effects of Systemic Morphine via Spinal 5-Hydroxytryptamine 3 Receptors.
Kimura M, Obata H, Saito S.
Anesthesiology. 2014 Jun 2. [Epub ahead of print]
PMID: 24887968 [PubMed - as supplied by publisher]
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VIDEO:
5HTP benefit and side effects of 5htp, dosage, anxiety, weight loss, sleep

BONUS VIDEO: Serotonin/Binaural Beats
5-HTP secretion for happiness binaural beats, intensity WARNING

~ Posted by Bryan W. Brickner ~

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Passing the Alzheimer’s Test and One’s Cannabinoid System ~ An Update

5/29/2014

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In March we noted the relentless strength of Alzheimer’s disease ~ and it’s still going strong. Good thing so is the science. Here are five more 2014 National Institutes of Health (PubMed) research updates on Alzheimer’s disease and cannabinoids.

The researchers in the third piece below make an interesting point concerning time; seems there haven’t been enough “adequately powered trials” on the safety of cannabinoids in older test subjects. That is harmful and a symptom of our polity.

Talk cannabinoids please … waiting another generation is not acceptable.

I.
Cannabinoid receptor-dependent metabolism of 2-arachidonoylglycerol during aging.
Pascual AC, Gaveglio VL, Giusto NM, Pasquaré SJ.
Exp Gerontol. 2014 Jul;55:134-42. doi: 10.1016/j.exger.2014.04.008. Epub 2014 Apr 24.
PMID: 24768821 [PubMed - in process]
Related citations

II.
Cannabinoids for pain in dementia: the good, the bad, and the ugly.
Ahmed AI, van den Elsen GA, van der Marck MA, Olde Rikkert MG.
J Am Geriatr Soc. 2014 May;62(5):1001-2. doi: 10.1111/jgs.12817. No abstract available.
PMID: 24828945 [PubMed - in process]
Related citations

III.
Efficacy and safety of medical cannabinoids in older subjects: a systematic review.
van den Elsen GA, Ahmed AI, Lammers M, Kramers C, Verkes RJ, van der Marck MA, Rikkert MG.
Ageing Res Rev. 2014 Mar;14:56-64. doi: 10.1016/j.arr.2014.01.007. Epub 2014 Feb 5.
PMID: 24509411 [PubMed - in process]
Related citations

IV.
Parsing the players: 2-arachidonoylglycerol synthesis and degradation in the CNS.
Murataeva N, Straiker A, Mackie K.
Br J Pharmacol. 2014 Mar;171(6):1379-91. doi: 10.1111/bph.12411.
PMID: 24102242 [PubMed - in process]
Related citations

V.
Cannabinoid agonists showing BuChE inhibition as potential therapeutic agents for Alzheimer's disease.
González-Naranjo P, Pérez-Macias N, Campillo NE, Pérez C, Arán VJ, Girón R, Sánchez-Robles E, Martín MI, Gómez-Cañas M, García-Arencibia M, Fernández-Ruiz J, Páez JA.
Eur J Med Chem. 2014 Feb 12;73:56-72. doi: 10.1016/j.ejmech.2013.11.026. Epub 2013 Dec 7.
PMID: 24378710 [PubMed - in process]
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VI.
Video ~ Holistic Alzheimer’s Video: Cannabis Oil and Medical Marijuana

Posted by Bryan W. Brickner

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Indiscernible Cannabinoid Science ~ Publius’ April 2014 Roundup

4/29/2014

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The Cannabis Papers: A citizen’s guide to cannabinoids (2011)
By Publius

Here are seven 2014 findings on how the cannabinoid system (CS) modulates homeostasis and other systems in our bodies: the roundup links to recent PubMed articles on the physiology, digestive, hypothalamic neurohypophyseal, vanilloid, dopamine, reproductive, and nervous systems.

I. Physiology System (Aging) and the CS
“2-arachidonoylglycerol (2-AG) is one of the principal endocannabinoids involved in the protection against neurodegenerative processes. … Taken together, the results of the present study show that CB1 and/or CB2 receptor antagonists trigger a significant modulation of 2-AG metabolism, underlining their relevance as therapeutic strategy for controling endocannabinoid levels in physiological aging.”

Cannabinoid receptor-dependent metabolism of 2-arachidonoylglycerol during aging.
Pascual AC, Gaveglio VL, Giusto NM, Pasquaré SJ.
Exp Gerontol. 2014 Apr 24. pii: S0531-5565(14)00129-6. doi: 10.1016/j.exger.2014.04.008. [Epub ahead of print]
PMID: 24768821 [PubMed - as supplied by publisher]
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II. Digestive System (Arachidonic Acid) and the CS
“The endogenous ligands of type-1 and type-2 cannabinoid receptors, N-arachidonoyl-ethanolamine and 2-arachidonoylglycerol, are arachidonic acid (AA) derivatives whose levels are regulated by the activity of metabolic enzymes, as well as by AA availability. Since the only sources of AA in mammals are diet and the enzymatic production in the liver from shorter-chain essential fatty acids like linoleic acid, it is realistic to hypothesize that endocannabinoid levels might be modulated by fatty acid composition of food.”

Endocannabinoid signaling and its regulation by nutrients.
Bisogno T, Maccarrone M.
Biofactors. 2014 Apr 21. doi: 10.1002/biof.1167. [Epub ahead of print]
PMID: 24753395 [PubMed - as supplied by publisher]
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III. Hypothalamic Neurohypophyseal System (Pituitary Stalk) and the CS
“Endocannabinoids (ECBs) are considered ubiquitous lipophilic agents, and this is a characteristic that is consistent with the wide range of homeostatic functions attributed to the ECB system. There is an increasing number of reports showing that the ECB system affects neurotransmission within the hypothalamic neurohypophyseal system.”

The endocannabinoid system and the neuroendocrine control of hydromineral balance.
Ruginsk SG, Vechiato FM, Elias LL, Antunes-Rodrigues J.
J Neuroendocrinol. 2014 Apr 17. doi: 10.1111/jne.12158. [Epub ahead of print]
PMID: 24750469 [PubMed - as supplied by publisher]
Related citations

IV. Vanilloid System (Retrograde Signaling) and the CS
“One of the two major endocannabinoids, 2-arachidonoylglycerol (2-AG), serves as a retrograde messenger at various types of synapses throughout the brain. … Whereas 2-AG primarily transmits a rapid, transient, point-to-point retrograde signal, the other major endocannabinoid, anandamide, may function as a relatively slow retrograde or non-retrograde signal or as an agonist of the vanilloid receptor.”

Endocannabinoid-mediated retrograde modulation of synaptic transmission.
Ohno-Shosaku T, Kano M.
Curr Opin Neurobiol. 2014 Apr 16;29C:1-8. doi: 10.1016/j.conb.2014.03.017. [Epub ahead of print] Review.
PMID: 24747340 [PubMed - as supplied by publisher]
Related citations

V. Dopamine System (Hedonistic Aspects) and the CS
“The endocannabinoid (ECB) system has emerged recently as a key mediator for reward processing. … Our data further indicate that the ECB system, and in particular CB1 receptor signaling, appear to be highly important for the mediation of hedonic aspects of reward processing.”

The CB1 Receptor as an Important Mediator of Hedonic Reward Processing.
Friemel CM, Zimmer A, Schneider M.
Neuropsychopharmacology. 2014 Apr 10. doi: 10.1038/npp.2014.86. [Epub ahead of print]
PMID: 24718372 [PubMed - as supplied by publisher]
Related citations

VI. Reproductive System (Sperm) and the CS
“In human spermatozoa, which exhibit a completely functional endocannabinoid system, the activation of cannabinoid receptor-1 (CB1) inhibited sperm mitochondrial membrane potential (ΔΨm). … In conclusion, E. coli LPS inhibited sperm ΔΨm through the activation of CB1, but this effect was not accompanied to the activation of mitochondrial dysfunction-related apoptotic/oxidative mechanisms, which could affect sperm motility and genomic integrity.”

Involvement of cannabinoid receptor-1 activation in mitochondrial depolarizing effect of lipopolysaccharide in human spermatozoa.
Barbonetti A, Vassallo MR, Costanzo M, Battista N, Maccarrone M, Francavilla S, Francavilla F.
Andrology. 2014 Apr 1. doi: 10.1111/j.2047-2927.2014.00210.x. [Epub ahead of print]
PMID: 24692267 [PubMed - as supplied by publisher]
Related citations

VII. Nervous System (Pain) and the CS
“We investigated the effects of anandamide on 4 neuronal sodium channel α subunits, Nav1.2, Nav1.6, Nav1.7, and Nav1.8, to explore the mechanisms underlying the antinociceptive effects of anandamide. … Anandamide inhibited the function of α subunits in neuronal sodium channels Nav1.2, Nav1.6, Nav1.7, and Nav1.8. These results help clarify the mechanisms of the analgesic effects of anandamide.”

The endocannabinoid anandamide inhibits voltage-gated sodium channels Nav1.2, Nav1.6, Nav1.7, and Nav1.8 in Xenopus oocytes.
Okura D, Horishita T, Ueno S, Yanagihara N, Sudo Y, Uezono Y, Sata T.
Anesth Analg. 2014 Mar;118(3):554-62. doi: 10.1213/ANE.0000000000000070.
PMID: 24557103 [PubMed - indexed for MEDLINE]
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~'~

Posted by Bryan W. Brickner

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Life Serotonin Supplementation Update: UK Microdosing LSD and Serotonin Receptors

Homeostasis: Publius’ Sleep Political Cannabinoid Science

Homeostasis: Publius’ Alcohol Political Cannabinoid Science

Alzheimer’s, Cancer and Homeostatic Cannabinoid Science

Solstice Serotonin (5HTP) Science Stories

Passing the Alzheimer’s Test and One’s Cannabinoid System ~ An Update

Indiscernible Cannabinoid Science ~ Publius’ April 2014 Roundup

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