Medical Bioscience: Recent submissions
Now showing items 81-100 of 277
-
Editorial commentary on draft of world health organization sixth edition laboratory manual for the examination and processing of human semen
(Korean Society for Sexual Medicine and Andrology, 2021)Semen examination is the cornerstone of the evaluation of male fertility potential. Despite its apparent simplicity, it is a complex series of assessments with highly variable results that are subject to interpretation. ... -
Sperm morphology assessment in the era of intracytoplasmic sperm injection: Reliable results require focus on standardization, quality control, and training
(Korean Society for Sexual Medicine and Andrology, 2021)Semen analysis is the first, and frequently, the only step in the evaluation of male fertility. Although the laboratory procedures are conducted according to the World Health Organization (WHO) guidelines, semen analysis ... -
The effect of sperm DNA fragmentation on intracytoplasmic sperm injection outcome
(Wiley, 2021)Our study objective was to assess the effect of various sperm DNA fragmentation levels on clinical intracytoplasmic sperm injection outcome. This retrospective study included 392 patients who underwent ICSI and performed ... -
Chemical composition and cosmeceutical potential of the essential oil of oncosiphon suffruticosum (L.) Källersjö
(MDPI, 2021)The South African medicinal plant Oncosiphon suffruticosum (L.) Källersjö is an important remedy used to treat chronic, respiratory, and skin ailments. From the essential oil (EO) extracted by the hydrodistillation, ... -
Medicinal properties and in vitro biological activities of selected helichrysum species from South Africa: A review
(MDPI, 2021)The genus Helichrysum Mill comprises hundreds of species that are mostly flowering perennial shrubs. Some of these plants that belong to the Helichrysum species are used in traditional medicine to treat cough, back pain, ... -
Real-time assessment of Candida biofilm formation
(Elsevier, 2021-09)Background: Candida infections are responsible for increased morbidity and mortality in immunocompromised patients, particularly when the Candida biofilm is composed of drug-resistant species. Although the biofilm formation ... -
HPLC-MS identification and expression of Candida drug-resistance proteins from African HIV-infected patients
(AIMS Press, 2021-09-10)The objective of this study was to elucidate the proteomic mechanisms of drug resistance in HIV-infected African patients. Cell membrane fractions from forty oral Candida isolates isolated from African HIV-positive patients ... -
The validity and reliability of computer-aided semen analyzers in performing semen analysis: a systematic review
(AME Publishing, 2021)Infertility is defined as the inability to achieve a clinical pregnancy following one year of regular and timed intercourse without contraception (1). It is estimated that infertility affects approximately 15% of ... -
Human coronaviruses: counteracting the damage by storm
(MDPI Viruses, 2021)Over the past 18 years, three highly pathogenic human (h) coronaviruses (CoVs) have caused severe outbreaks, the most recent causative agent, SARS-CoV-2, being the first to cause a pandemic. Although much progress has been ... -
Radiosensitization effect of gold nanoparticles in proton therapy
(Frontiers Media, 2021)The number of proton therapy facilities and the clinical usage of high energy proton beams for cancer treatment has substantially increased over the last decade. This is mainly due to the superior dose distribution of ... -
The Impact of Health Disparities on COVID-19 Outcomes: Early Findings from a High-Income Country and Two Middle-Income Countries
(Springer, 2021)The SARS-CoV-2 infection, which causes the coronavirus disease (COVID-19), has affected lives, with very adverse outcomes in specific populations in the United States of America (USA), a high-income country, and two ... -
Utility of Antioxidants in the Treatment of Male Infertility: Clinical Guidelines Based on a Systematic Review and Analysis of Evidence
(The world journal of men's health, 2021)It is widely accepted that oxidative stress plays an important role in the pathophysiology of male infertility and that antioxidants could have a significant role in the treatment of male infertility. The main objectives ... -
The validity and reliability of computer-aided semen analyzers in performing semen analysis: a systematic review
(Translational Andrology and Urology., 2021)Background: Computer-aided sperm analyzers (CASA) are currently used worldwide for semen analysis. However, there are doubts about their reliability to fully substitute the human operator. Therefore, this study aimed to ... -
The impact of COVID-19 on the male reproductive tract and fertility: A systematic review
(Informa UK Limited, trading as Taylor & FrancisGroup., 2021)Objective: The COVID-19 pandemic, caused by the acute respiratory syndrome-coronavirus 2 (SARS-CoV-2), remains an ongoing public health challenge. Although males are affected slightly more than females, the impact of ... -
A comparison between the anthropological and modern day uses of this indigenous herb
(Conference: SA Medical Research Council 6th Annual Research Conference, 2012)Sceletium tortuosum (Fig. 1) is a scrambling succulent ground cover indigenous to the Western and Eastern Cape. It has probably been used for centuries as a mood-altering drug, especially by the Khoisan hunters and Nama ... -
The Impact of Storage Time and Seasonal Harvesting on Levels of Sutherlandins and Sutherlandiosides in Lessertia frutescens
(Conference: Faculty of Community and Health Sciences 2nd Research Day, 2013)In South Africa, an estimate of 70% of the population frequently uses traditional medicine for their health care needs. The use of Lessertia frutescens (Figure 1,2) by various cultural groups dates back to the earlier ... -
The Use of Probiotics in the Primary Prevention of Atopic Dermatitis: A Systemic Review of the Literature in Light of the Hygiene Hypothesis
(8th Conference of the Federation of African Immunological Societies, 2012)Atopic dermatitis (eczema) is a type 1 hypersensitivity reaction that is common in infants and young children, with incidence increasing in the Industrialised world. Based on epidemiological evidence, the hygiene hypothesis ... -
Alternative medicine and herbal remedies in the treatment of erectile dysfunction: A systematic review
(Informa UK Limited, trading as Taylor & Francis Group., 2021)Objectives: To systematically review and discuss the current evidence from placebo-controlled clinical trials that investigated the use of alternative medicines and herbal remedies in the management of erectile dysfunction ... -
A Global Survey of Reproductive Specialists to Determine the Clinical Utility of Oxidative Stress Testing and Antioxidant Use in Male Infertility
(The world journal of men's health, 2021)Globally, infertility impacts 15% of couples trying to conceive. The incidence of male infertility has been increasing over the past several decades, ranging from 20% to 70% worldwide [1,2]. The male partner is found to ... -
Male infertility, oxidative stress and antioxidants
(IntechOpen, 2021)Within the male reproductive system, oxidative stress (OS) has been identified as prevailing etiology of male infertility. The effects of reactive oxygen species (ROS) on male fertility depend on the dimensions, “modus ...