keyword
MENU ▼
Read by QxMD icon Read
search

Testosterone levels

keyword
https://www.readbyqxmd.com/read/28735146/influence-of-electromagnetic-pulse-on-the-offspring-sex-ratio-of-male-balb-c-mice
#1
Jin-Hui Li, Da-Peng Jiang, Ya-Feng Wang, Jia-Jia Yan, Qi-Yan Guo, Xia Miao, Hai-Yang Lang, Sheng-Long Xu, Jun-Ye Liu, Guo-Zhen Guo
Public concern is growing about the exposure to electromagnetic fields (EMF) and its effect on male reproductive health. Detrimental effect of EMF exposure on sex hormones, reproductive performance and sex-ratio was reported. The present study was designed to clarify whether paternal exposure to electromagnetic pulse (EMP) affects offspring sex ratio in mice. 50 male BALB/c mice aged 5-6 weeks were exposed to EMP daily for 2 weeks before mated with non-exposed females at 0d, 7d, 14d, 21d and 28d after exposure...
June 21, 2017: Environmental Toxicology and Pharmacology
https://www.readbyqxmd.com/read/28734725/estrogen-receptor-alpha-is-required-in-gabaergic-but-not-glutamatergic-neurons-to-masculinize-behavior
#2
Melody V Wu, Jessica Tollkuhn
Masculinization of the altricial rodent brain is driven by estrogen signaling during a perinatal critical period. Genetic deletion of estrogen receptor alpha (Esr1/ERα) results in altered hypothalamic-pituitary-gonadal (HPG) axis signaling and a dramatic reduction of male sexual and territorial behaviors. However, the role of ERα in masculinizing distinct classes of neurons remains unexplored. We deleted ERα in excitatory or inhibitory neurons using either a Vglut2 or Vgat driver and assessed male behaviors...
July 20, 2017: Hormones and Behavior
https://www.readbyqxmd.com/read/28734114/effects-of-pomegranate-peel-extract-on-histopathology-testosterone-levels-and-sperm-of-testicular-torsion-detorsion-induced-in-adult-wistar-rats
#3
Mandana Beigi Boroujeni, Said Saied Shahrokhi, Mahdi Birjandi, Abolfazl Abbaszadeh, Fatemeh Beyranvand, Sakineh Hamoleh, Zohreh Zandbaf, Mohammadreza Gholami
Background In the present study, effects of pomegranate peel extract have been evaluated on decreasing the damage induced by testis torsion. Methods In this study, 30 adult Wistar rats were randomly divided into three groups of control, experimental (1) and experimental (2). CONTROL: no ischemia, received vehicle alone, exposed to sham operation. Experimental (1): Received the vehicle alone during ischemia followed by 60 days' reperfusion. Experimental (2): After performing ischemia reperfusion, 500 mg/kg of pomegranate peel extract has been used for 60 days...
July 22, 2017: Journal of Complementary & Integrative Medicine
https://www.readbyqxmd.com/read/28733713/diel-cyclic-hypoxia-alters-plasma-lipid-dynamics-and-impairs-reproduction-in-goldfish-carassius-auratus
#4
Aritra Bera, Paramita Banerjee Sawant, Subrata Dasgupta, N K Chadha, Bhawesh T Sawant, Asim Kumar Pal
Diel cyclic hypoxia occurs with varying frequency and duration in freshwater habitats, yet little is known about its effects on reproduction of freshwater fishes. The present study shows that long-term exposure of goldfish (Carassius auratus) to cyclic hypoxia (0.8 ± 0.2 mg/l dissolved oxygen) for 9 h or more, per day, altered plasma lipid and sex steroid profiles, which in turn directly or indirectly suppressed ovarian growth and viable spermatozoa production. Hypoxia decreased total cholesterol and high density lipoprotein (HDL p < 0...
July 21, 2017: Fish Physiology and Biochemistry
https://www.readbyqxmd.com/read/28731686/pyrethroid-insecticide-cypermethrin-accelerates-pubertal-onset-in-male-mice-via-disrupting-hypothalamic-pituitary-gonadal-axis
#5
Xiaoqing Ye, Feixue Li, Jianyun Zhang, Huihui Ma, Dapeng Ji, Xin Huang, Thomas E Curry, Weiping Liu, Jing Liu
Pyrethroids, a class of insecticides that are widely used worldwide, have been identified as endocrine-disrupting chemicals (EDCs). Our recent epidemiological study reported on an association of increased pyrethroids exposure with elevated gonadotropins levels and earlier pubertal development in Chinese boys. In this study, we further investigated the effects of cypermethrin (CP), one of the most ubiquitous pyrethroid insecticides, on hypothalamic-pituitary-gonadal (HPG) axis and pubertal onset in male animal models...
July 21, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28730692/self-perception-of-voice-in-transgender-persons-during-cross-sex-hormone-therapy
#6
Charlotte Bultynck, Charlotte Pas, Justine Defreyne, Marjan Cosyns, Martin den Heijer, Guy T'Sjoen
OBJECTIVE: Self-perception of voice has a significant psychosocial impact on transgender persons. Research about the evolution of self-perception of voice during cross-sex hormone therapy (CSHT) is lacking. The aim of this study was to examine if self-perception of voice changes during CSHT, and if a change of serum testosterone levels as a result of CSHT can predict a change of self-perception of voice. STUDY DESIGN: Prospective longitudinal study. METHODS: The Transsexual Voice Questionnaire (TVQ), consisting of three factors-anxiety and avoidance (AA), gender identity (GI), and voice quality (VQ)-was used...
July 21, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28729707/status-stress-and-performance-in-track-and-field-athletes-during-the-european-games-in-baku-azerbaijan
#7
Benjamin Siart, Alfred Nimmerichter, Claudia Vidotto, Bernard Wallner
This study analyzes the relationship between salivary cortisol and testosterone levels and performance in track and field athletes. In addition, we analyzed the influence of status among athletes (measured based on previous athletic achievement) on hormone levels. Nineteen members of the Austrian track and field team (eleven males, eight females, 25.9 ± 3.9 years of age, 74.9 ± 20.1 kg, and 179.3 ± 10 cm) participated in this study. Data was collected during the European Games in Baku. Athletes delivered saliva samples at various time-points including morning samples and samples directly before and after the competition...
July 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28728990/long-term-testosterone-therapy-improves-urinary-and-sexual-function-and-quality-of-life-in-men-with-hypogonadism-results-from-a-propensity-matched-subgroup-of-a-controlled-registry-study
#8
Karim Sultan Haider, Ahmad Haider, Gheorghe Doros, Abdulmaged Traish
OBJECTIVES: To investigate the effects of long-term testosterone (T) therapy (TTh) on urinary and sexual functions and quality of life (QoL) in hypogonadal men. PATIENTS AND METHODS: Observational, prospective, cumulative registry study in 656 men (age: 60.7 ± 7.2 years) with total T levels ≤12.1 nmol/L and symptoms of hypogonadism. In the T-treated group, men (n = 360) received parenteral T undecanoate (TU) 1000 mg/12 weeks for up to 10 years. Men who opted against TTh (n= 296) served as controls...
July 17, 2017: Journal of Urology
https://www.readbyqxmd.com/read/28727126/the-incidence-of-metabolic-syndrome-in-adolescents-with-different-phenotypes-of-pcos
#9
Kubra Zengin Altintas, Berna Dilbaz, Derya Akdag Cirik, Runa Ozelci, Tuba Zengin, Osman Nuri Erginay, Serdar Dilbaz
OBJECTIVES: To evaluate the incidence of metabolic syndrome in Turkish adolescents with different phenotypes of polycystic ovary syndrome (PCOS). MATERIAL AND METHODS: This cross-sectional study was performed on the Youth Center clinic of a tertiary referral hospital in Turkey. Adolescents with PCOS (n = 144) were classified into four phenotype groups according to the presence of oligo/anovulation (O), hyperandrogenism (H), and polycystic ovarian morphology (P) as follows: Phenotype A (O + H + P), Phenotype B (H + O), Phenotype C (H + P), Phenotype D (O + P)...
2017: Ginekologia Polska
https://www.readbyqxmd.com/read/28725600/endogenous-and-exogenous-testosterone-and-prostate-cancer-decreased-increased-or-null-risk
#10
REVIEW
David S Lopez, Shailesh Advani, Konstantinos K Tsilidis, Run Wang, Steven Canfield
For more than 70 years, the contention that high levels of testosterone or that the use of testosterone therapy (TTh) increases the development and progression of prostate cancer (PCa) has been widely accepted and practiced. Yet, the increasing and emerging evidence on testosterone research seems to challenge that contention. To review literature on the associations of endogenous and exogenous testosterone with decreased-, increased-, or null-risk of PCa, and to further evaluate only those studies that reported magnitude of associations from multivariable modeling as it minimizes confounding effects...
June 2017: Translational Andrology and Urology
https://www.readbyqxmd.com/read/28725187/lack-of-associations-between-female-hormone-levels-and-visuospatial-working-memory-divided-attention-and-cognitive-bias-across-two-consecutive-menstrual-cycles
#11
Brigitte Leeners, Tillmann H C Kruger, Kirsten Geraedts, Enrico Tronci, Toni Mancini, Fabian Ille, Marcel Egli, Susanna Röblitz, Lanja Saleh, Katharina Spanaus, Cordula Schippert, Yuangyuang Zhang, Michael P Hengartner
Background: Interpretation of observational studies on associations between prefrontal cognitive functioning and hormone levels across the female menstrual cycle is complicated due to small sample sizes and poor replicability. Methods: This observational multisite study comprised data of n = 88 menstruating women from Hannover, Germany, and Zurich, Switzerland, assessed during a first cycle and n = 68 re-assessed during a second cycle to rule out practice effects and false-positive chance findings. We assessed visuospatial working memory, attention, cognitive bias and hormone levels at four consecutive time-points across both cycles...
2017: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/28724741/body-height-and-immune-efficacy-testing-body-stature-as-a-signal-of-biological-quality
#12
Bogusław Pawłowski, Judyta Nowak, Barbara Borkowska, Daria Augustyniak, Zuzanna Drulis-Kawa
According to the good genes hypothesis and energy allocation theory, human adult body height may reflect biological quality. An important aspect of this quality is immune system functioning (ISF). The aim of this study was to evaluate the relationship between ISF and body height in healthy people. The ISF was determined by several important innate (total complement and lysozyme activity, neutrophil function) and adaptive immune parameters (lymphocytes, IgA and IgG, and response to the flu vaccine). Overall, 96 males and 97 females were subjected to flu vaccination, and of these, 35 males and 34 females were subjected to tetanus...
July 26, 2017: Proceedings. Biological Sciences
https://www.readbyqxmd.com/read/28724410/identification-and-characterization-of-long-non-coding-rnas-in-subcutaneous-adipose-tissue-from-castrated-and-intact-full-sib-pair-huainan-male-pigs
#13
Jing Wang, Liushuai Hua, Junfeng Chen, Jiaqing Zhang, Xianxiao Bai, Binwen Gao, Congjun Li, Zhihai Shi, Weidong Sheng, Yuan Gao, Baosong Xing
BACKGROUND: Long non-coding RNAs (lncRNAs) regulate adipose tissue metabolism, however, their function on testosterone deficiency related obesity in humans is less understood. For this research, intact and castrated male pigs are the best model animal because of their similar proportional organ sizes, cardiovascular systems and metabolic features. RESULTS: We identified lncRNAs in subcutaneous adipose tissue by deep RNA-sequencing using the intact and castrated Huainan male pigs...
July 19, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28723965/the-prevalence-and-metabolic-characteristics-of-polycystic-ovary-syndrome-in-the-qatari-population
#14
Soha R Dargham, Lina Ahmed, Eric S Kilpatrick, Stephen L Atkin
OBJECTIVE: The prevalence of polycystic ovary syndrome (PCOS) in the Qatari population is unknown and hence the estimated impact on the local population cannot be determined. The purpose of this study was to estimate the prevalence and metabolic features of PCOS among Qatari women. DESIGN: Cross sectional analysis. PATIENTS: 3,017 Qatari subjects volunteered to be phenotyped and genotyped for the Qatar Biobank from which all women between the ages of 18-40 years were identified (750)...
2017: PloS One
https://www.readbyqxmd.com/read/28723963/impact-of-thyroid-function-abnormalities-on-reproductive-hormones-during-menstrual-cycle-in-premenopausal-hiv-infected-females-at-nauth-nnewi-nigeria
#15
Nkiruka Rose Ukibe, Solomon Nwabueze Ukibe, Obiageli Fidelia Emelumadu, Chinedum Charles Onyenekwe, Joseph Eberendu Ahaneku, Anthony Osita Igwegbe, Ifeoma Nwamaka Monago, Amobi Linus Ilika
BACKGROUND: This was a prospective study designed to evaluate the impact of thyroid function abnormalities on reproductive hormones during menstrual cycle in HIV infected females at Nnamdi Azikiwe University Teaching Hospital Nnewi, South-East Nigeria. METHODS: The study randomly recruited 35 Symptomatic HIV infected females and 35 Symptomatic HIV infected females on antiretroviral therapy (HAART) for not less than six weeks from an HIV clinic and 40 apparently heathy control females among the hospital staff of NAUTH Nnewi...
2017: PloS One
https://www.readbyqxmd.com/read/28721614/low-doses-of-chlorpyrifos-interfere-with-spermatogenesis-of-rats-through-reduction-of-sex-hormones
#16
Dinithi Champika Peiris, Thamali Dhanushka
Use of pesticides results in indirect effects on human health. We aimed to evaluate implications of toxicological effects of subchronic chlorpyrifos exposure on reproductive function in male rats. A total of 48 adult Wistar male rats were separated into four groups (n = 12). Animals were gavaged with 2.5 mg/kg (T1), 5 mg/kg (T2), or 10 mg/kg (T3) body weight of chlorpyrifos (CPF) or distilled water (control) daily for 30 days. Organ weights, epididymal sperm parameters, DNA integrity, sex hormonal (FHS and LH) levels, and alanine aminotransferase (ALT), aspartate aminotransferase (AST), gamma-glutamyl transferase (GGT), and creatinine concentrations were determined on day 31...
July 18, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28721216/switch-to-restoration-therapy-in-a-testosterone-treated-central-hypogonadism-with-erythrocytosis
#17
B Cangiano, C Cacciatore, L Persani, M Bonomi
We describe a case of severe erythrocytosis caused by testosterone replacement therapy in a 66-year-old man affected with hypogonadotropic hypogonadism (HH) determining osteoporosis, resolved by switching to restoration therapy with clomiphene citrate. The patient complained fatigue, loss of libido and defective erections and a spontaneous vertebral fracture despite bisphosphonate therapy and vitamin D supplementation. The examinations proved isolated HH and he was therefore treated with testosterone gel with regression of specific manifestations but elevated hemoglobin and hematocrit values...
2017: Endocrinology, Diabetes & Metabolism Case Reports
https://www.readbyqxmd.com/read/28721134/osteoporosis-in-men
#18
REVIEW
Waldemar Misiorowski
Osteoporotic fractures are the leading cause of morbidity and mortality among aging men. 30% of all hip fractures occur in men, and mortality resulting from not only the hip fracture, but also the spine and other major osteoporotic fractures, is significantly higher in men than in women. As in women, hypogonadism is the best documented risk factor for developing osteoporosis in men. In older men, testosterone levels are negatively correlated with the risk of fractures, and it seems that this age-related testosterone deficiency should not be considered as one of the many causes of secondary osteoporosis, rather one of the major and most important mechanisms of senile osteoporosis...
June 2017: Przeglad Menopauzalny, Menopause Review
https://www.readbyqxmd.com/read/28721133/late-onset-hypogonadism
#19
REVIEW
Piotr Dudek, Jarosław Kozakowski, Wojciech Zgliczyński
In Poland, the number of men over the age of 50 years exceeds 6 million. It is estimated that about 2-6% of this population develops symptoms of late-onset hypogonadism (LOH). In men, testosterone deficiency increases slightly with age. LOH is a clinically and biochemically defined disease of older men with serum testosterone level below the reference parameters of younger healthy men and with symptoms of testosterone deficiency, manifested by pronounced disturbances of quality of life and harmful effects on multiple organ systems...
June 2017: Przeglad Menopauzalny, Menopause Review
https://www.readbyqxmd.com/read/28720488/hormonal-correlates-of-natal-dispersal-and-rank-attainment-in-wild-male-baboons
#20
Mercy Y Akinyi, Laurence R Gesquiere, Mathias Franz, Patrick O Onyango, Jeanne Altmann, Susan C Alberts
In many mammals, maturational milestones such as dispersal and the attainment of adult dominance rank mark stages in the onset of reproductive activity and depend on a coordinated set of hormonal and socio-behavioral changes. Studies that focus on the link between hormones and maturational milestones are uncommon in wild mammals because of the challenges of obtaining adequate sample sizes of maturing animals and of tracking the movements of dispersing animals. We examined two maturational milestones in wild male baboons-adult dominance rank attainment and natal dispersal-and measured their association with variation in glucocorticoids (fGC) and fecal testosterone (fT)...
July 15, 2017: Hormones and Behavior
keyword
keyword
115997
1
2
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read
×

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"