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Cannabis sativa (CS )

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https://www.readbyqxmd.com/read/29615907/suppression-of-cisplatin-induced-vomiting-by-cannabis-sativa-in-pigeons-neurochemical-evidences
#1
Ihsan Ullah, Fazal Subhan, Javaid Alam, Muhammad Shahid, Muhammad Ayaz
Cannabis sativa ( CS , family Cannabinaceae ) has been reported for its anti-emetic activity against cancer chemotherapy-induced emesis in animal models and in clinics. The current study was designed to investigate CS for potential effectiveness to attenuate cisplatin-induced vomiting in healthy pigeons and to study the impact on neurotransmitters involved centrally and peripherally in the act of vomiting. High-performance liquid chromatography system coupled with electrochemical detector was used for the quantification of neurotransmitters 5-hydroxytryptamine (5HT), dopamine (DA) and their metabolites; Di-hydroxy Phenyl Acetic acid (Dopac), Homovanillic acid (HVA), and 5-hydroxy indole acetic acid (5HIAA) centrally in specific brain areas (area postrema and brain stem) while, peripherally in small intestine...
2018: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/29454037/melatonin-attenuates-%C3%AE-9-tetrahydrocannabinol-induced-reduction-in-rat-sperm-motility-and-kinematics-in-vitro
#2
Isiaka Abdullateef Alagbonsi, Luqman Aribidesi Olayaki
The use of Cannabis sativa (CS) has been widely demonstrated to have detrimental effect on male reproductive functions. Despite the well-known existence of endocannabinoid and melatonergic systems in semen, the physiological significance of their interaction is not understood. We recently showed that melatonin exacerbates the CS-induced gonadotoxicity in-vivo. To overcome the limitations associated with our in-vivo studies and further understand the role of cannabinoid-melatonin relationship in sperm functions, this study investigated the in-vitro effect of tetrahydrocannabinol (THC) and/or melatonin on motility and kinematics of capacitating rat sperms...
April 2018: Reproductive Toxicology
https://www.readbyqxmd.com/read/26149370/molecular-cytogenetic-analysis-of-monoecious-hemp-cannabis-sativa-l-cultivars-reveals-its-karyotype-variations-and-sex-chromosomes-constitution
#3
Olga V Razumova, Oleg S Alexandrov, Mikhail G Divashuk, Tatiana I Sukhorada, Gennady I Karlov
Hemp (Cannabis sativa L., 2n = 20) is a dioecious plant. Sex expression is controlled by an X-to-autosome balance system consisting of the heteromorphic sex chromosomes XY for males and XX for females. Genetically monoecious hemp offers several agronomic advantages compared to the dioecious cultivars that are widely used in hemp cultivation. The male or female origin of monoecious maternal plants is unknown. Additionally, the sex chromosome composition of monoecious hemp forms remains unknown. In this study, we examine the sex chromosome makeup in monoecious hemp using a cytogenetic approach...
May 2016: Protoplasma
https://www.readbyqxmd.com/read/25916739/the-antitumor-activity-of-plant-derived-non-psychoactive-cannabinoids
#4
REVIEW
Sean D McAllister, Liliana Soroceanu, Pierre-Yves Desprez
As a therapeutic agent, most people are familiar with the palliative effects of the primary psychoactive constituent of Cannabis sativa (CS), Δ(9)-tetrahydrocannabinol (THC), a molecule active at both the cannabinoid 1 (CB1) and cannabinoid 2 (CB2) receptor subtypes. Through the activation primarily of CB1 receptors in the central nervous system, THC can reduce nausea, emesis and pain in cancer patients undergoing chemotherapy. During the last decade, however, several studies have now shown that CB1 and CB2 receptor agonists can act as direct antitumor agents in a variety of aggressive cancers...
June 2015: Journal of Neuroimmune Pharmacology: the Official Journal of the Society on NeuroImmune Pharmacology
https://www.readbyqxmd.com/read/24465491/molecular-cytogenetic-characterization-of-the-dioecious-cannabis-sativa-with-an-xy-chromosome-sex-determination-system
#5
Mikhail G Divashuk, Oleg S Alexandrov, Olga V Razumova, Ilya V Kirov, Gennady I Karlov
Hemp (Cannabis sativa L.) was karyotyped using by DAPI/C-banding staining to provide chromosome measurements, and by fluorescence in situ hybridization with probes for 45 rDNA (pTa71), 5S rDNA (pCT4.2), a subtelomeric repeat (CS-1) and the Arabidopsis telomere probes. The karyotype has 18 autosomes plus a sex chromosome pair (XX in female and XY in male plants). The autosomes are difficult to distinguish morphologically, but three pairs could be distinguished using the probes. The Y chromosome is larger than the autosomes, and carries a fully heterochromatic DAPI positive arm and CS-1 repeats only on the less intensely DAPI-stained, euchromatic arm...
2014: PloS One
https://www.readbyqxmd.com/read/19378523/cannabinoids-in-chronic-pain-and-palliative-care
#6
Laura Bonfá, Ronaldo Contreiras de Oliveira Vinagre, Núbia Verçosa de Figueiredo
BACKGROUND AND OBJECTIVES: Several studies have focused on Cannabis sativa (Cs) due to its analgesic potential and its ability to alleviate symptoms of disorders of the central nervous system. However, since marijuana, one of its popular names, is the most common illicit drug throughout the world, it breeds prejudice both among lay people and health care professionals. The objective of this study was to determine the current level of knowledge about this drug and the perspectives for its use, to better understand its actions and effects, both in experimental studies and clinical use, in patients with degenerative neurological disorders or in those who do not have the possibility of cure and are being followed by palliative care programs...
May 2008: Revista Brasileira de Anestesiologia
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