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Now showing items 1-5 of 5

    • Influence of ejaculation frequency on seminal parameters 

      Mayorga-Torres, B. Jose Manuel; Camargo, Mauricio; Agarwal, Ashok; Du Plessis, Stefan S.; Cadavid, Angela P.; Maya, Walter D. Cardona (BioMed Central, 2015-05-21)
      Background: Several factors have been shown to influence semen parameters, one of which is sexual abstinence; a clinical criteria included in the semen evaluation to provide maximum sperm quality. The aim of the present ...

    • Proteomic analysis of human spermatozoa proteins with oxidative stress 

      Sharma, Rakesh; Agarwal, Ashok; Mohanty, Gayatri; Hamada, Alaa J.; Gopalan, Banu; Willard, Belinda; Yadav, Satya; Du Plessis, Stefan (BioMed Central, 2013-05)
      Background: Oxidative stress plays a key role in the etiology of male infertility. Significant alterations in the sperm proteome are associated with poor semen quality. The aim of the present study was to examine if elevated ...

    • Proteomic analysis of seminal fluid from men exhibiting oxidative stress 

      Sharma, Rakesh; Agarwal, Ashok; Mohanty, Gayatri; Du Plessis, Stefan S.; Gopalan, Banu; Willard, Belinda; Yadav, Satya P.; Sabanegh, Edmund (BioMed Central, 2013-09)
      ABSTRACT: Background: Seminal plasma serves as a natural reservoir of antioxidants. It helps to remove excessive formation of reactive oxygen species (ROS) and consequently, reduce oxidative stress. Proteomic profiling of ...

    • Proteomics : a subcellular look at spermatozoa 

      Du Plessis, Stefan S.; Kashou, Anthony H.; Benjamin, David J.; Yadav, Satya P.; Agarwal, Ashok (BioMed Central, 2011-03)
      Abstract. Background. Male-factor infertility presents a vexing problem for many reproductively active couples. Many studies have focused on abnormal sperm parameters. Recent advances in proteomic techniques, especially ...

    • Utility of antioxidants during assisted reproductive techniques : an evidence based review 

      Agarwal, Ashok; Durairajanayagam, Damayanthi; Du Plessis, Stefan S. (BioMed Central, 2014-11-24)
      Assisted reproductive technology (ART) is a common treatment of choice for many couples facing infertility issues, be it due to male or female factor, or idiopathic. Employment of ART techniques, however, come with its ...