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| 1 | Serum vitamin D content is associated with semen|parameters and serum testosterone levels in men显示文摘The present study aimed to evaluate the influence of serum vitamin D levels on semen quality and testosterone levels.This is a crosssectional study conducted at Androscience,Science and Innovation Center in Andrology and High-Complex Clinical and Andrology Laboratory in Sao Paulo,Brazil,with 508 male patients,aged 18-60 years,from 2007 to 2017.Seminal parameters and serum sexual hormones were correlated with serum vitamin D concentrations in 260 men selected by strict selection criteria.Patients were divided into normozoospermic group(NZG,n=124)and a group with seminal abnormalities(SAG,n=136).Evaluation included complete physical examination,past medical history,habits and lifestyle factors,two complete seminal analysis with sperm functional tests,serum levels of 25-hydroxy-vitamin D_(3)(25(OH)VD_(3)),total and free testosterone,luteinizing hormone(LH),follicle-stimulating hormone(FSH),sex hormone-binding globulin(SHBG),total cholesterol,homeostatic model assessment of insulin resistance(HOMA-IR)index,and karyotype.The mean concentration of 25(OH)VD_(3)was significantly lower in the SAG(P<0.001)and positively correlated with all baseline seminal parameters and total testosterone levels.In addition,serum vitamin D_(3)concentration was found to be positively correlated with sperm concentration(β=2.103;P<0.001),total number of spermatozoa with progressive motility(β=2.069;P=0.003),total number of motile spermatozoa(β=2.571;P=0.015),and strict morphology(β=0.056;P=0.006),regardless of other variables.This is the first comparative study to address the issue of serum vitamin D_(3)content between normozoospermic patients and those with sperm abnormalities.It clearly demonstrates a direct and positive relationship between serum vitamin D level and overall semen quality,male reproductive potential,and testosterone levels. | Inari M Ciccone Elaine MF Costa Juliana R Pariz Thiago A Teixeira Joel R Drevet Parviz Gharagozloo Robert J Aitken Jorge Hallak | 2021 | Asian Journal of Andrology2021，23，1： | 2 |
| 2 | NEW TOXOPLASMA GONDII GENOTYPES ISOLATED FROM FREE-RANGE CHICKENS FROM THE FERNANDO DE NORONHA, BRAZIL: UNEXPECTED FINDINGS显示文摘 | Dubey J P Rajendran C Costa D G C Ferreira L R Kwok O C H Qu D Su C Marvulo M F V Alves L C Mota R A Silva J C R | 2010 | The Journal of Parasitology2010，，4： | 2 |
| 3 | Effects of resistance training on the lipid profile in obese women显示文摘 | Costa R R Lima Alberton C Tagliari M Martins Kruel L F | 2011 | Journal of Sports Medicine and Physical Fitness2011，，1： | 2 |
| 4 | Regiochemical control of monolignol radical coupling : a now paradigm for lignin and lignan biosynthesis显示文摘 | Gang D R Costa M A Fujita M | 1999 | Chem Biol1999，6，3： | 1 |
| 5 | Factor V Leiden (FVQ 506) is Common in a Brazilian Population显示文摘 | ARRUDA V R ANNI8CHINO-BIZZACCHI J M COSTA F F | 1995 | Am J Hematol1995，49，3： | 1 |
| 6 | A sampling method for measurement of large root systems with scanner based image analysis显示文摘 | Costa C Dwyer L M Hamilton R I | 2000 | Agronomy Journal2000，92，： | 1 |
| 7 | Scientific Collaboration in Biotechnology : the Case of the Northeast Region in Brazil 显示文摘 | Costa B M G da Silva Pedro E de Macedo G R | 2013 | Scientometrics2013，，： | 1 |
| 8 | Connectivity between estuaries and marine environment:Integrating metrics to assess estuarine nursery function显示文摘 | VASCONCELOS R P REIS-SANTOS P COSTA M J | 2011 | Ecological Indicators2011，11，5： | 1 |
| 9 | Carcinogenicity assessment of selected nickel compounds 显示文摘 | OllerA R Costa M Oberdorster G | 1997 | Toxicol Appl Pharmecol1997，143，： | 1 |
| 10 | Obliquity-correction imaging condition for reverse time migration显示文摘 | Costa J C Silva Neto F A Alcantara M R M | 2009 | Geophysics2009，74，3： | 1 |
| 11 | Survival and intra-hepatic recurrences after laparoscopic radiofrequency of hepatocel- lular carcinoma in patients with liver cirrhosis显示文摘 | Santambrogio R Opocher E Costa M | 2005 | J Surg 0ncol2005，89，4： | 1 |
| 12 | Water resources planning - a research program显示文摘 | SANTOS M A COSTA J R | 1987 | Water Science Technology1987，19，9： | 1 |
| 13 | Xylitol production from eucalyptus wood hydrolysates extracted with organic solvents显示文摘 | Costa Queiroz R H Melchior E de Souza A M | 1997 | Process Biochemistry1997，32，7： | 1 |
| 14 | Rapid detection of lamivudine-resistant hepatitis B virus polymerase gene variants显示文摘 | Jardi R Buti M Rodriguez FF Cotrina M Costa X Pascual C Esteban R Guardia J | | 0，，： | 1 |
| 15 | Analysis and software implementation of a robust synchronizing PLL circuit based on the pq theory显示文摘 | Rolim L G B da Costa D R Aredes M | 2006 | IEEE Trans on Industrial Electronics2006，53，6： | 1 |
| 16 | A new and fast tech- nique to generate offspring after germ ceils transplantation in adult fish:the Nile tilapia (Oreochromis niloticus) model显示文摘 | Lacerda S M Batlouni S R Costa G M | 2010 | PLoS One2010，5，10： | 1 |
| 17 | Impact of EGFR genet- ic vanriants on glima risk and patient outcome显示文摘 | Costa BM Viana-pereia M Fernandes R | 2011 | Cance Epidermiol Biomarkers2011，20，12： | 1 |
| 18 | Clinical features and outcome of patiens with non-small-cell lung cancer who harbor EML4-ALK显示文摘 | Shaw A T Yeap B Y Mino-Kenudson M Digumarthy S R Costa D B Heist R S | 2009 | J Clin Oncol2009，27，： | 1 |
| 19 | Mechanisms of karyotype differentiation in Cassidinae sensu lato (Coleoptera, Polyphaga, Chrysomelidae) based on seven species of the Brazilian fauna and an overview of the cytogenetic data显示文摘 | JULIO M D FEMANDES F R COSTA C | 2010 | Micron2010，41，1： | 1 |
| 20 | Preload and haemody- namic assessment during liver transplantation:a comparison between the pulmonary artery catheter and trans- pulmonary indicator dilution techniques 显示文摘 | Della R G Costa M G Coccia C | 2002 | Eur J Anaesthesiol2002，19，12： | 1 |
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