Professor Ralf Reinhold Henkel
University of the Western Cape
Professor, Medicine And Medical Sciences
South Africa
My co-authors include
Emerita Professor Charlene WJ Africa
Bayram Bayramov
Dr Sandro C Esteves
My Publications
SNP’s in xenobiotic metabolism and male infertility
Xenobiotica
May 2019
The excessive use of antioxidant therapy: A possible cause of male infertility?
Andrologia
September 2018
Smoking-induced genetic and epigenetic alterations in infertile men
Andrologia
August 2018
Promoter methylation analysis of <em>CDH1</em> and <em>p14ARF</em> genes in patients wi...
OncoTargets and Therapy
July 2018
Reactive oxygen species impact on sperm DNA and its role in male infertility
Andrologia
April 2018
Evaluation of reference values of standard semen parameters in fertile Egyptian men
Andrologia
January 2018
Human sperm handling in intracytoplasmic sperm injection processes: In vitro studies on...
Andrologia
January 2018
Calibration of redox potential in sperm wash media and evaluation of oxidation-reductio...
Andrology
January 2018
Redox Regulation of Fertility in Aging Male and the Role of Antioxidants: A Savior or S...
Current Pharmaceutical Design
November 2017
Determination of seminal oxidation-reduction potential (ORP) as an easy and cost-effect...
Andrologia
October 2017
Association between promoter methylation of MLH1 and MSH2 and reactive oxygen species...
Andrologia
October 2017
Interpretation of semen analysis using WHO 1999 and WHO 2010 reference values: Abnormal...
Andrologia
August 2017
Effect of Typha capensis (Rohrb.)N.E.Br. rhizome extract F1 fraction on cell viability...
Andrologia
July 2017
Oral health and pregnancy
Biomarkers
June 2017
Eduardo Bustos-Obregón (1937-2014)
Andrologia
January 2015
Novel Sperm Tests and Their Importance
July 2014
Effect ofCissampelos capensisrhizome extract on human spermatozoain vitro
Andrologia
March 2014
Phytoandrogenic properties ofEurycoma longifoliaas natural alternative to testosterone ...
Andrologia
January 2014
The impact of male overweight on semen quality and outcome of assisted reproduction
Asian Journal of Andrology
January 2014
Chapter-16 Infections in Male Infertility
January 2014
Obesity is associated with increased seminal insulin and leptin alongside reduced ferti...
Reproductive Biology and Endocrinology
January 2014
The relationship between seminal leukocytes, oxidative status in the ejaculate, and apo...
Systems Biology in Reproductive Medicine
July 2013
Tongkat Ali as a Potential Herbal Supplement for Physically Active Male and Female Seni...
Phytotherapy Research
June 2013
In vivoeffects ofEurycoma longifoliaJack (Tongkat Ali) extract on reproductive function...
Andrologia
March 2013
Infection in Infertility
January 2013
Sperm Processing for IVF
January 2013
Effect of the metabolic syndrome on male reproductive function: a case-controlled pilot...
Andrologia
December 2012
Infection in Infertility
January 2012
Sperm Processing for IVF
January 2012
ROS and Semen Quality
January 2012
Sperm preparation: state-of-the-art—physiological aspects and application of advanced s...
Asian Journal of Andrology
December 2011
Sperm cell biology: current perspectives and future prospects
Asian Journal of Andrology
November 2010
Leukocytes and oxidative stress: dilemma for sperm function and male fertility
Asian Journal of Andrology
November 2010
ROS and DNA integrity—implications of male accessory gland infections
June 2010
A novel approach for the selection of human sperm using annexin V-binding and flow cyto...
Fertility and Sterility
April 2009
Comparison of three staining methods for the morphological evaluation of human spermatozoa
Fertility and Sterility
February 2008
Age-related changes in seminal polymorphonuclear elastase in men with asymptomatic infl...
Asian Journal of Andrology
May 2007
Detection of DNA damage in sperm
January 2007
The pathophysiology and genetics of human male reproduction
January 2007
DNA fragmentation and its influence on fertilization and pregnancy outcome
January 2007
Chronic pelvic pain syndrome/chronic prostatitis affect the acrosome reaction in human ...
World Journal of Urology
January 2006
Molecular aspects of declining sperm motility in older men
Fertility and Sterility
November 2005
Effect of reactive oxygen species produced by spermatozoa and leukocytes on sperm funct...
Fertility and Sterility
March 2005
Sperm function and assisted reproduction technology
Reproductive Medicine and Biology
March 2005
Sperm function and assisted reproduction technology
Reproductive Medicine and Biology
March 2005
Influence of deoxyribonucleic acid damage on fertilization and pregnancy
Fertility and Sterility
April 2004
Metal chelators change the human sperm motility pattern
Fertility and Sterility
June 2003
DNA fragmentation of spermatozoa and assisted reproduction technology
Reproductive BioMedicine Online
January 2003
Determinación de la variabilidad en la condensación de la cromatina espermática y alfa-...
Revista médica de Chile
May 2000
Relevance of zinc in human sperm flagella and its relation to motility
Fertility and Sterility
June 1999
Glass wool filtration reduces reactive oxygen species by elimination of leukocytes in o...
Journal of Assisted Reproduction and Genetics
July 1996
The monoclonal antibody GZS-1 detects a maturation-associated antigen of human spermato...
Journal of Reproductive Immunology
May 1996
Defining bioassay conditions to evaluate sperm/zona interaction: Inhibition of zona bin...
Journal of Assisted Reproduction and Genetics
April 1996
Influence of elevated pH levels on structural and functional characteristics of the hum...
Journal of Assisted Reproduction and Genetics
October 1995
Further indications of the multicomponent nature of the acrosome reaction-inducing subs...
Molecular Reproduction and Development
September 1995
Selective capacity of glass-wool filtration for the separation of human spermatozoa wit...
Journal of Assisted Reproduction and Genetics
September 1994
Isolation and Partial Characterization of the Outer Dense Fiber Proteins from Human Spe...
Biological Chemistry Hoppe-Seyler
January 1992