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Effects of cannabinoids on progesterone release in cultures of rat luteal cells.

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This study investigated the direct effects of tetrahydrocannabinols (THC) on progesterone release by cultured rat luteal cells, as a function of dose and time. During a 24-h incubation, the level of progesterone in the culture medium was decreased by 35% and 60% in the presence of 1 microM

Cannabinoid inhibition of rat luteal cell progesterone synthesis.

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Progesterone production by isolated rat luteal cells was inhibited by exposure to various cannabinoids in concentrations from 3.0--16.0 microM. The available evidence points to the cleavage of cholesterol esters as the site of inhibition.

Exogenous progesterone for cannabis withdrawal in women: Feasibility trial of a novel multimodal methodology.

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Sex differences in cannabis use disorder (CUD) and its treatment have been identified. Women report more severe withdrawal and have shown worse treatment outcomes. Ovarian hormones are implicated in these differences and research suggests that exogenous progesterone may be an effective

Progesterone-dependent regulation of endometrial cannabinoid receptor type 1 (CB1-R) expression is disrupted in women with endometriosis and in isolated stromal cells exposed to 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD).

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OBJECTIVE To examine the differentiation-related expression of cannabinoid receptor type 1 (CB1-R) messenger RNA (mRNA) and protein in endometrial tissue obtained from women with and without endometriosis and to determine the impact of acute 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) exposure on

Effect of cannabinoids on progesterone production by ovarian granulosa cells of pig and rat.

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Loss of cannabinoid receptor CB1 induces preterm birth.

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BACKGROUND Preterm birth accounting approximate 10% of pregnancies in women is a tremendous social, clinical and economic burden. However, its underlying causes remain largely unknown. Emerging evidence suggests that endocannabinoid signaling via cannabinoid receptor CB1 play critical roles in

Cannabinoid-induced hormone changes in monkeys and rats.

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Previous findings at various laboratories indicated that cannabinoids distribute to sexual behavior centers in the brain, and endocrine aberrations have consistently been observed in animals treated with cannabis constituents. Subacute and chronic studies were performed to monitor hormone changes in

The impact of gonadal hormones on cannabinoid dependence.

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Cannabis is the most widely used illicit substance in the United States. Women report greater positive subjective effects of cannabis, and greater cannabis withdrawal compared to men. Female rodents are more sensitive than males to some acute effects of Δ⁹-tetrahydrocannabinol (THC), and females

Cyclic ovarian hormone modulation of supraspinal Δ9-tetrahydrocannabinol-induced antinociception and cannabinoid receptor binding in the female rat.

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Estrous cycle-related fluctuations in delta-9-tetrahydrocannabinol (THC)-induced antinociception have been observed in the rat. The aim of this study was to determine which major ovarian hormone modulates the antinociceptive effects of i.c.v. THC, and whether hormone modulation of THC's behavioral

Cannabinoid receptor antagonism increases female sexual motivation.

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The current experiments examined whether treatment with a CB1 antagonist/inverse agonist (AM251) affects sexual motivation, proceptivity, and receptivity in female rats. In experiment #1, 92 Long-Evans rats were tested for their socio-sexual motivation via a runway methodology. Motivation to

Modulation by female sex hormones of the cannabinoid-induced catalepsy and analgesia in ovariectomized mice.

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Cannabinoids are psychoactive compounds with many pharmacological properties such as analgesia, sedation and catalepsy most of which are mediated by cannabinoid CB1 receptors. In the present study, we evaluated whether the ovarian sex hormones are involved in the cannabinoid-induced catalepsy and

Direct antigonadal activity of cannabinoids: suppression of rat granulosa cell functions.

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The direct effects of delta 9-tetrahydrocannabinol (THC) and related cannabinoids on ovarian granulosa cells were studied in vitro. Granulosa cells from immature, hypophysectomized, estrogen-treated rats were cultured for 2 days in an androstenedione-supplemented medium in the presence or absence of

Pregnancy hormone concentrations in marijuana users.

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The maternal serum concentrations of human chorionic gonadotropin, pregnancy-specific beta-l-glycoprotein, placental lactogen, progesterone, 17-hydroxyprogesterone, estradiol and estriol were measured in 13 women who smoked marijuana regularly throughout pregnancy. Cannabinoid use in these women was

The effects of chronic cannabis treatment upon brain 5-hydroxytryptamine, plasma corticosterone and aggressive behavior in female rats with different hormonal status.

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Ovariectomized rats, chronically treated with cannabis extract or control solution, were given different hormonal treatments. Results indicated that both cannabis-treated and estrogen-treated animals were more aggressive than controls. Furthermore, aggressiveness was virtually abolished when

Mechanisms for recycling and biosynthesis of endogenous cannabinoids anandamide and 2-arachidonylglycerol.

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The mechanisms of endogenous cannabinoid biosynthesis are not completely understood. We hypothesized that anandamide could be recycled by the cell to form new endocannabinoid molecules and released into the extracellular space. We determined that new endocannabinoids derived from exogenous

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