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https://www.readbyqxmd.com/read/29510085/anabolic-effects-of-chrysin-on-the-ventral-male-prostate-and-female-prostate-of-adult-gerbils-meriones-unguiculatus
#1
Mônica S Campos, Naiara C S Ribeiro, Rodrigo F de Lima, Mariana B Santos, Patrícia S L Vilamaior, Luis O Regasini, Manoel F Biancardi, Sebastião R Taboga, Fernanda C A Santos
Chrysin is a bioflavonoid found in fruits, flowers, tea, honey and wine, which has antioxidant, anti-inflammatory, antiallergic and anticarcinogenic properties. This flavone has also been considered as beneficial for reproduction due its testosterone-boosting potential. Thus, the aim of this study was to evaluate the effects of chrysin on the prostate and gonads of male and female adult gerbils. In addition, a comparative analysis of the effects of testosterone on these same organs was conducted. Ninety-day-old male and female gerbils were treated with chrysin (50mgkg-1day-1) or testosterone cypionate (1mgkg-1week-1) for 21 days...
March 7, 2018: Reproduction, Fertility, and Development
https://www.readbyqxmd.com/read/29496177/berberine-reinforces-sertoli-cells-niche-and-accelerates-spermatogonial-stem-cells-renewal-in-experimentally-induced-varicocele-condition-in-rats
#2
Hamid Rashtbari, Mazdak Razi, Hassan Hassani-Bafrani, Hamed Najaran
BACKGROUND: Varicocele is present in 10-20% of the male infertile population. PURPOSE: Present study was done to demonstrate the reinforcing effect of berberine (BBR), as an antioxidant and anti-inflammatory agent, on Sertoli cells-related niche and spermatogonial stem cells (SSCs) self-renewal in experimentally-induced VCL condition. STUDY DESIGN: 50 mature male Wistar rats were divided into control, control-sham, non-treated VCL-induced, 50 mg kg-1 and 100 mg kg-1 BBR-treated VCL-induced groups...
February 1, 2018: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/29456989/effect-of-thymoquinone-on-reproductive-parameter-in-morphine-treated-male-mice
#3
Mohammad Reza Salahshoor, Mojdeh Haghjoo, Shiva Roshankhah, Fatemeh Makalani, Cyrus Jalili
Background: Thymoquinone as the main active component of Nigella sativa might have a various pharmacological effects such as antiapoptotic and antioxidant. Morphine is commonly used for the treatment of severe pain that can increase the generation of free radicals and affects the spermatogenesis. This study was designed to evaluate protective effects of thymoquinone against morphine-induced damages, sperm viability, count, motility, morphology and testis histology, and nitric oxide and testosterone hormone of the mice...
2018: Advanced Biomedical Research
https://www.readbyqxmd.com/read/29343749/testosterone-boosts-physical-activity-in-male-mice-via-dopaminergic-pathways
#4
Ferran Jardí, Michaël R Laurent, Nari Kim, Rougin Khalil, Dimitri De Bundel, Ann Van Eeckhaut, Lawrence Van Helleputte, Ludo Deboel, Vanessa Dubois, Dieter Schollaert, Brigitte Decallonne, Geert Carmeliet, Ludo Van den Bosch, Rudi D'Hooge, Frank Claessens, Dirk Vanderschueren
Low testosterone (T) in men, especially its free fraction, has been associated with loss of energy. In accordance, orchidectomy (ORX) in rodents results in decreased physical activity. Still, the mechanisms through which T stimulates activity remain mostly obscure. Here, we studied voluntary wheel running behavior in three different mouse models of androgen deficiency: ORX, androgen receptor (AR) knock-out (ARKO) and sex hormone binding globulin (SHBG)-transgenic mice, a novel mouse model of "low free T". Our results clearly show a fast and dramatic action of T stimulating wheel running, which is not explained by its action on muscle, as evidenced by neuromuscular studies and in a muscle-specific conditional ARKO mouse model...
January 17, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29321947/portal-vein-thrombosis-due-to-an-increase-in-dose-of-testosterone-in-a-young-man-with-klinefelter-syndrome
#5
Waseem Amjad, Salma Khatoon, Twara Tarasaria, Gulru Sharifova
Klinefelter syndrome (KS) is associated with increased incidence of thrombotic events. Hypofibrinolysis is associated with increased risk of thromboembolism. Although testosterone replacement therapy (TRT) inhibits the hypofibrinolysis, it can still cause thrombosis paradoxically due to increased dose and duration of use. Herein, we present a case of a young male diagnosed with KS who was taking testosterone. The dose was increased to boost the energy levels, and the patient presented with abdominal pain. Computed tomography (CT) of the abdomen showed extensive portal vein thrombosis...
November 6, 2017: Curēus
https://www.readbyqxmd.com/read/29164416/high-throughput-and-direct-measurement-of-androgen-levels-using-turbulent-flow-chromatography-liquid-chromatography-triple-quadrupole-mass-spectrometry-tfc-lc-tqms-to-discover-chemicals-that-modulate-dihydrotestosterone-production-in-human-prostate-cancer-cells
#6
Kyungsu Kang, Lei Peng, Yu-Jin Jung, Joo Yeon Kim, Eun Ha Lee, Hee Ju Lee, Sang Min Kim, Sang Hyun Sung, Cheol-Ho Pan, Yongsoo Choi
OBJECTIVES: To develop a high-throughput screening system to measure the conversion of testosterone to dihydrotestosterone (DHT) in cultured human prostate cancer cells using turbulent flow chromatography liquid chromatography-triple quadrupole mass spectrometry (TFC-LC-TQMS). RESULTS: After optimizing the cell reaction system, this method demonstrated a screening capability of 103 samples, including 78 single compounds and 25 extracts, in less than 12 h without manual sample preparation...
November 21, 2017: Biotechnology Letters
https://www.readbyqxmd.com/read/29090093/effects-of-pituitary-specific-overexpression-of-fsh%C3%AE-%C3%AE-on-reproductive-traits-in-transgenic-boars
#7
Wenting Li, Yujun Quan, Mengmeng Zhang, Kejun Wang, Muzhen Zhu, Ye Chen, Qiuyan Li, Keliang Wu
BACKGROUND: Follicle-stimulating hormone (FSH) is a gonadotropin synthesized and secreted by the pituitary gland. FSH stimulates follicle development and maturation in females. It also plays an important role in spermatogenesis in males, including humans and mice. However, the effects of FSH on male pigs are largely unknown. In this study, we generated transgenic pigs to investigate the effects of FSHα/β overexpression on reproductive traits in boars. RESULTS: After five transgenic F0 founders were crossed with wide-type pigs, 193 F1 animals were obtained...
2017: Journal of Animal Science and Biotechnology
https://www.readbyqxmd.com/read/29018642/pulmonary-embolism-secondary-to-testosterone-enhancing-herbal-supplement-use
#8
Steven M Nguyen, Nway Ko Ko, Asad S Sattar, Esra Gucuk Ipek, Sayed Ali
Decreased testosterone levels in men are often a normal sign of aging. Testosterone replacement therapy (TRT) is a well-established option for those with symptomatic hypogonadism related to low testosterone levels. Conversely, designer herbal supplements in the context of testosterone supplementation are poorly studied, yet remain popular among aging men who seek the well-known, often enhancing, effects of testosterone that involve muscle mass and sexual function/drive. In 2014, the Food and Drug Administration (FDA) issued a warning about the significant risk of venous clots secondary to testosterone product use...
August 6, 2017: Curēus
https://www.readbyqxmd.com/read/28712786/the-relationship-between-hot-flashes-and-testosterone-recovery-after-12-months-of-androgen-suppression-for-men-with-localised-prostate-cancer-in-the-ascende-rt-trial
#9
M Dosani, W J Morris, S Tyldesley, T Pickles
AIMS: This study describes the proportion of men who experienced hot flashes (flashes), and the testosterone level at onset, peak frequency and cessation of flashes after 12 months of androgen deprivation therapy (ADT) in men undergoing curative-intent external beam radiation therapy (± brachytherapy boost). We also aimed to characterise testosterone recovery in this population. MATERIALS AND METHODS: This was a pre-specified secondary analysis of the ASCENDE-RT clinical trial...
October 2017: Clinical Oncology: a Journal of the Royal College of Radiologists
https://www.readbyqxmd.com/read/28531762/high-dose-testosterone-enanthate-supplementation-boosts-oxidative-stress-but-exerts-little-effect-on-the-antioxidant-barrier-in-sedentary-adolescent-male-rat-liver
#10
Ewa Sadowska-Krępa, Barbara Kłapcińska, Sławomir Jagsz, Anna Nowara, Izabela Szołtysek-Bołdys, Małgorzata Chalimoniuk, Józef Langfort, Stanisław J Chrapusta
BACKGROUND: Anabolic-androgenic steroids abuse is on the rise among adolescent boys and young men, mostly in those seeking a 'shortcut' to an improved body image. This approach is associated with the risk of severe adverse health effects, some of which involve the liver and are linked to hepatic oxidative stress. Testosterone and its esters is a cornerstone of most anabolic-androgenic steroid stacking protocols. METHODS: We assessed and compared several hepatotoxicity and liver oxidative stress indices, as well as the contents of some components of the hepatic antioxidant barrier between sedentary adolescent male rats given a 6-week course of weekly im testosterone enanthate (TE, 8 or 80mg/kgBW/week) or vehicle (sesame oil) injections...
March 11, 2017: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/28166958/in-vitro-production-of-functional-haploid-sperm-cells-from-male-germ-cells-of-saanen-dairy-goat
#11
Shoulong Deng, Xiuxia Wang, Zhipeng Wang, Suren Chen, Yuqian Wang, Xiaoxia Hao, Tiecheng Sun, Yi Zhang, Zhengxing Lian, Yixun Liu
The dairy goat is an important economic animal. Studies on in vitro differentiation of dairy goat spermatogonial stem cells (SSCs) could understand the molecular mechanisms for detecting mammalian sperm generation and innovative transgenetics. This study established an in vitro differentiation system for Saanen dairy goat SSCs. After 35 days incubation, single flagellum sperm-like cells with late round spermatid (Sa2) morphologically and the ability to express sperm-specific protein acrosin is detected. DNA ploid analysis showed that addition of testosterone to the culture system significantly improved the differentiation efficiency (P < 0...
March 1, 2017: Theriogenology
https://www.readbyqxmd.com/read/27994160/hierarchy-stability-moderates-the-effect-of-status-on-stress-and-performance-in-humans
#12
Erik L Knight, Pranjal H Mehta
High social status reduces stress responses in numerous species, but the stress-buffering effect of status may dissipate or even reverse during times of hierarchical instability. In an experimental test of this hypothesis, 118 participants (57.3% female) were randomly assigned to a high- or low-status position in a stable or unstable hierarchy and were then exposed to a social-evaluative stressor (a mock job interview). High status in a stable hierarchy buffered stress responses and improved interview performance, but high status in an unstable hierarchy boosted stress responses and did not lead to better performance...
January 3, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/27692920/twenty-fraction-prostate-radiotherapy-with-intra-prostatic-boost-results-of-a-pilot-study
#13
E Onjukka, J Uzan, C Baker, L Howard, A Nahum, I Syndikus
AIMS: For patients with high-risk, locally bulky prostate cancer, an intra-prostatic boost to tumour volumes (dose-painting) offers a risk-adapted dose escalation. We evaluated the feasibility of hypofractionated dose-painting radiotherapy and the associated toxicity. The possibility to streamline a radiobiologically optimised planning protocol was also investigated. MATERIALS AND METHODS: Twenty-eight patients were treated using a dose-painting approach; boost volumes were identified with functional magnetic resonance imaging scans...
January 2017: Clinical Oncology: a Journal of the Royal College of Radiologists
https://www.readbyqxmd.com/read/27670094/gonadal-hormone-modulation-of-%C3%A2-9-tetrahydrocannabinol-induced-antinociception-and-metabolism-in-female-versus-male-rats
#14
R M Craft, A E Haas, J L Wiley, Z Yu, B H Clowers
The gonadal hormones testosterone (T) in adult males and estradiol (E2) in adult females have been reported to modulate behavioral effects of ∆9 -tetrahydrocannabinol (THC). This study determined whether activational effects of T and E2 are sex-specific, and whether hormones modulate production of the active metabolite 11-hydroxy-THC (11-OH-THC) and the inactive metabolite 11-nor-9-carboxy-THC (THC-COOH). Adult male and female rats were gonadectomized (GDX) and treated with nothing (0), T (10-mm Silastic capsule/100g body weight), or E2 (1-mm Silastic capsule/rat)...
January 2017: Pharmacology, Biochemistry, and Behavior
https://www.readbyqxmd.com/read/27620003/protective-role-of-aloe-vera-against-x-ray-induced-testicular-dysfunction
#15
S Bala, N A Chugh, S C Bansal, M L Garg, A Koul
The present investigation was carried out to evaluate the possible radioprotective potential of an Aloe vera extract against whole-body X-ray irradiation-induced testicular alterations in mice. Male balb/c mice were divided into four groups: control, A. vera, X-ray and A. vera pre-treated + X-ray irradiated. Histopathological examination revealed significant structural alterations in testes after X-ray exposure, which was also associated with the presence of apoptotic cells as assessed by TUNEL assay. X-ray irradiation resulted in elevation in the levels of reactive oxygen species, lipid peroxidation, a reduction in glutathione concentration and enhanced activities of antioxidant enzymes such as glutathione reductase, glutathione peroxidase, catalase, superoxide dismutase and glutathione-S-transferase...
September 13, 2016: Andrologia
https://www.readbyqxmd.com/read/27422164/echinacoside-and-cistanche-tubulosa-schenk-r-wight-ameliorate-bisphenol-a-induced-testicular-and-sperm-damage-in-rats-through-gonad-axis-regulated-steroidogenic-enzymes
#16
Zhihui Jiang, Jian Wang, Xinping Li, Xiaoying Zhang
ETHNOPHARMACOLOGICAL RELEVANCE: Male infertility has been increasing over the last decades and being a pressing health problem nowadays. Cistanche tubulosa (CT) is a traditional Chinese medicine used to boost male sexual function. Echinacoside (ECH) is one of the major compounds exist in CT and might be a potential agent to protect testis and sperm injury. AIM OF THE STUDY: To investigate the mechanisms behind the possible protective effects of CT and ECH against testicular and sperm toxicity...
December 4, 2016: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/27200423/effect-of-genistein-on-reproductive-parameter-and-serum-nitric-oxide-levels-in-morphine-treated-mice
#17
Cyrus Jalili, Sharareh Ahmadi, Shiva Roshankhah, MohammadReza Salahshoor
BACKGROUND: The predominant phytoestrogen in soy and derived products is the isoflavone Genistein. Genistein has antioxidant properties. Morphine is a main psychoactive chemical in opium that can increase the generation of free radicals and therefore it could adversely affects the spermatogenesis. OBJECTIVE: The main goal was to investigate whether the Genistein could protect morphine adverse effects on sperm cells viability, count, motility, and testis histology and testosterone hormone and nitric oxide in blood serum...
February 2016: International Journal of Reproductive Biomedicine (Yazd, Iran)
https://www.readbyqxmd.com/read/27123203/crocin-improves-damage-induced-by-nicotine-on-a-number-of-reproductive-parameters-in-male-mice
#18
Mohammad Reza Salahshoor, Mozafar Khazaei, Cyrus Jalili, Mona Keivan
BACKGROUND: Crocin, a carotenoid isolated from Crocus sativus L. (saffron), is a pharmacologically active component of saffron. Nicotine consumption can decrease fertility in males through induction of oxidative stress and DNA damage. The aim of this study is to determine the effects of crocin on reproductive parameter damages in male mice exposed to nicotine. MATERIALS AND METHODS: In this experimental study, we divided 48 mice into 8 groups (n=6 per group): control (normal saline), nicotine (2...
April 2016: International Journal of Fertility & Sterility
https://www.readbyqxmd.com/read/26770156/nothing-boring-about-boron
#19
REVIEW
Lara Pizzorno
The trace mineral boron is a micronutrient with diverse and vitally important roles in metabolism that render it necessary for plant, animal, and human health, and as recent research suggests, possibly for the evolution of life on Earth. As the current article shows, boron has been proven to be an important trace mineral because it (1) is essential for the growth and maintenance of bone; (2) greatly improves wound healing; (3) beneficially impacts the body's use of estrogen, testosterone, and vitamin D; (4) boosts magnesium absorption; (5) reduces levels of inflammatory biomarkers, such as high-sensitivity C-reactive protein (hs-CRP) and tumor necrosis factor α (TNF-α); (6) raises levels of antioxidant enzymes, such as superoxide dismutase (SOD), catalase, and glutathione peroxidase; (7) protects against pesticide-induced oxidative stress and heavy-metal toxicity; (8) improves the brains electrical activity, cognitive performance, and short-term memory for elders; (9) influences the formation and activity of key biomolecules, such as S-adenosyl methionine (SAM-e) and nicotinamide adenine dinucleotide (NAD(+)); (10) has demonstrated preventive and therapeutic effects in a number of cancers, such as prostate, cervical, and lung cancers, and multiple and non-Hodgkin's lymphoma; and (11) may help ameliorate the adverse effects of traditional chemotherapeutic agents...
August 2015: Integrative Medicine
https://www.readbyqxmd.com/read/26732632/evaluation-of-safety-of-modified-danggui-buxue-tang-in-rodents-immunological-toxicity-and-hormonal-aspects
#20
Jian-Hui Xie, Zhi-Wei Chen, Ya-Wei Pan, De-Min Luo, Zi-Ren Su, Hai-Ming Chen, Zhen Qin, Shui-Qing Huang, Gao Lei
ETHNOPHARMACOLOGICAL RELEVANCE: Radix Astragali (RA), Radix Angelicae Sinensis (RAS) and Folium Epimedii (FE) are three of the extensively applied herbs among traditional Chinese medicines for gynecological disorders and osteoporosis. A derivative herbal formula-RRF, consisting of the three medicines with a weight ratio of 5:1:5, is derived from a famous Chinese herbal formula-Danggui Buxue Tang (DBT). RRF has shown noteworthy perimenopause ameliorating effect in both ovariectomized rats and natural aging female rats, which might represent a promising candidate for the treatment of perimenopausal disorders...
May 13, 2016: Journal of Ethnopharmacology
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