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PubMed Journals Articles About "Ohana Sperm Preparation OHB035 Standard Preparation OHB037 Infertility" RSS

00:24 EST 27th January 2020 | BioPortfolio

Ohana Sperm Preparation OHB035 Standard Preparation OHB037 Infertility PubMed articles on BioPortfolio. Our PubMed references draw on over 21 million records from the medical literature. Here you can see the latest Ohana Sperm Preparation OHB035 Standard Preparation OHB037 Infertility articles that have been published worldwide.

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Showing "Ohana Sperm Preparation OHB035 Standard Preparation OHB037 Infertility" PubMed Articles 1–25 of 8,100+

Comprehensive metabolic profiles of seminal plasma with different forms of male infertility and their correlation with sperm parameters.

Metabolomics measurements of seminal plasma are widely used in diagnosis and finding of molecular mechanisms of male infertility. However, so far the limitation of metabolome coverage of analytical methods hinders comprehensive metabolite biomarker finding. Moreover, the widely used case-control comparison is not enough to unveil the detailed correlations of the metabolic changes with different sperm abnormalities. In this work, we aimed to have comprehensive metabolic profiling of seminal plasma to find th...


A novel artificial intelligence system for the assessment of bowel preparation (with video).

The quality of bowel preparation is an important factor that can affect the effectiveness of a colonoscopy. Several tools, such as the Boston Bowel Preparation Scale (BBPS) and Ottawa Bowel Preparation Scale, have been developed to evaluate bowel preparation. However, understanding the differences between evaluation methods and consistently applying them can be challenging for endoscopists. There are also subjective biases and differences among endoscopists. Therefore, this study aimed to develop a novel, o...

The preconception environment and sperm epigenetics.

Infertility is a common reproductive disorder, with male factor infertility accounting for approximately half of all cases. Taking a paternal perceptive, recent research has shown that sperm epigenetics, such as changes in DNA methylation, histone modification, chromatin structure, and non-coding RNA expression, can affect reproductive and offspring health. Importantly, environmental conditions during the preconception period has been demonstrated to shape sperm epigenetics.


Non-syndromic monogenic male infertility.

Infertility is a widespread clinical problem affecting 8-12% of couples worldwide. Of these, about 30% are diagnosed with idiopathic infertility since no causative factor is found. Overall 40-50% of cases are due to male reproductive defects. Numerical or structural chromosome abnormalities have long been associated with male infertility. Monogenic mutations have only recently been addressed in the pathogenesis of this condition. Mutations of specific genes involved in meiosis, mitosis or spermiohistogenesi...

A Case of Polyorchidism Associated with Infertility.

A 30-year-old man present with infertility for 2 years. Magnetic resonance imaging (MRI) revealed two right testes in the scrotum and inguinal region, respectively. Semen analysis revealed cryptozoospermia. Polyorchidism was considered to have caused spermatogenic dysfunction and male infertility. We performed right high orchiectomy and simultaneous testicular sperm extraction on the same testis. To our knowledge, this is the first case of testicular sperm extraction performed for patients with polyorchidis...

Effect on Sperm DNA Quality Following Sperm Selection for ART: New Insights.

In the female reproductive tract, male gametes undergo a natural sperm selection process in order to discriminate spermatozoa on the basis of their quality to maximize the chances of successful reproduction. With the introduction of assisted reproductive technology (ART), scientists and clinicians developed diverse sperm selection strategies focusing on the isolation of competent spermatozoa. With increasing understanding of sperm functions and fertilization mechanism and evolution of available technologies...

Novel use of COMET parameters of sperm DNA damage may increase its utility to diagnose male infertility and predict live births following both IVF and ICSI.

Do the Comet parameters of the proportions of sperm with low or high DNA damage improve the power of the test in the diagnosis of male infertility and/or prediction of IVF and ICSI live birth rates?

In Vivo Evaluation of Operative Torque Generated by Two Nickel-Titanium Rotary Instruments during Root Canal Preparation.

 This study evaluated the operative torque and preparation time of ProTaper NEXT (Dentsply Maillefer; Ballaigues, Switzerland) and EdgeFile X7 (EdgeEndo; Albuquerque, New Mexico, United States) rotary systems during root canal preparation of maxillary premolars.

Colonization of mouse vagina with Pseudomonas aeruginosa: A plausible explanation for infertility.

Little attention has been paid to the influence of asymptomatic colonizers of genital tract on female infertility. Albeit, a variety of uropathogens have been known to negatively alter sperm parameters in vitro, but their impact on female fertility outcome under in vivo conditions is not clearly established. Therefore, the present study was intended to investigate the effect of Pseudomonas aeruginosa on sperm parameters and to identify its role in female infertility. The strain of P. aeruginosa was found to...

Risk Factors Associated with Inadequate Bowel Preparation in Patients with Functional Constipation.

Constipation is a common reason of poor bowel preparation, which negatively influences the quality of colonoscopy. Risk factors for inadequate bowel preparation in constipated patients remain unclear.

Comparison of standard and on-plate extraction protocols for identification of mastitis-causing bacteria by MALDI-TOF MS.

The objective was to compare standard versus on-plate sample preparation protocols for identification of mastitis bacteria by MALDI-TOF MS. A total of 186 bacterial isolates from cows with subclinical mastitis were identified by MALDI-TOF MS after preparation using two extraction protocols. On-plate protocol was performed by applying the bacterial colony directly from the culture plate onto the plate spot. For the standard protocol, lysis of bacterial colonies using reagents was performed in a cryotube, and...

Sperm DNA Fragmentation: Consequences for Reproduction.

DNA fragmentation, or the accumulation of single- and double-strand DNA breaks, is a common property of sperm, and an increase in the level of sperm DNA fragmentation is known to influence natural reproduction. The effect of sperm DNA fragmentation on male infertility and assisted reproductive treatment (ART) outcomes remains controversial and is one of the most frequently debated topics of reproductive medicine. For the past 30 years, a number of assays have been developed to quantify the level of sperm D...

An effective and rapid method for RNA preparation from non-conventional yeast species.

The increased use of high-throughput RNA-based analysis has spurred the demand for rapid and simple preparation of high quality RNA. RNA preparation from non-conventional yeasts having diverse cell wall and morphological characteristics is often inefficient using current methods adapted for the model yeast, Saccharomyces cerevisiae. We report a simple RNA preparation method based on glass bead-mediated breakage in a formamide/EDTA solution. High quality RNA is generated within 15 min from various non-conv...

Central European ethnomedical and officinal uses of peat, with special emphasis on the Tołpa peat preparation (TPP): An historical review.

Medical or hygienic uses of peat mosses dates back to the 18th century. Peat was used externally (as poultices) in the early 19th century. The peat preparation invented by Stanisław Tołpa (Tołpa peat preparation, TPP) was patented in Poland in 1991; its concept had emerged in the 1980s. It raised high therapeutic expectations still being researched in the early 1990s. Profound expectations for peat, a natural product well known in Central European (and Polish) spas (for medicated baths and poultices), ea...

Is there any relationship between human sperm parameters and protamine deficiency in different groups of infertile men?

Abnormality in Histone-Protamine replacements has been indicated to cause sperm DNA damage and infertility. The aim of the present study was to investigate the relationships between sperm parameters in oligospermia, asthenospermia, and teratospermia with protamine deficiency in infertile men.

Deep learning for the classification of human sperm.

Infertility is a global health concern, and couples are increasingly seeking medical assistance to achieve reproduction. Semen analysis is a primary assessment performed by a clinician, in which the morphology of the sperm population is evaluated. Machine learning algorithms that automate, standardize, and expedite sperm classification are the subject of ongoing research.

A Delphi Study to Understand Clinical Nursing Faculty Preparation and Support Needs.

Nursing programs are challenged with staffing qualified clinical faculty. Many hires, part time and full time, lack formal preparation or experience in leading student clinical groups. To have prepared clinical faculty, it is important to understand their learning preparation and support needs.

The use of extractive freezing-out at the stage of preliminary preparation of bioprobes in GC-MS chemico-toxicological analysis.

The authors propose a new express method of low-temperature sample preparation based on the use of extractive freezing-out combined with a sample centrifugation as a stage of a preliminary preparation of a biological object (cadaveric liver, kidneys). The method made it possible to minimize sufficiently the so-called chemical noise of endogenous coextractive substances and to improve sufficiently the conditions of the GC-MS method.

Bowel preparation for colonoscopy: European Society of Gastrointestinal Endoscopy (ESGE) Guideline - Update 2019.

ESGE recommends a low fiber diet on the day preceding colonoscopy.Strong recommendation, moderate quality evidence.ESGE recommends the use of enhanced instructions for bowel preparation.Strong recommendation, moderate quality evidence.ESGE suggests adding oral simethicone to bowel preparation.Weak recommendation, moderate quality evidence.ESGE recommends split-dose bowel preparation for elective colonoscopy.Strong recommendation, high quality evidence.ESGE recommends, for patients undergoing afternoon colon...

Youth involvement in food preparation practices at home: A multi-method exploration of Latinx youth experiences and perspectives.

Youth are frequently involved in preparing meals for themselves and family members. Latinx youth may be more likely to be involved in food preparation compared to youth from other ethnic backgrounds. Involvement in food preparation has been linked to various positive health outcomes, such as better diet quality and higher self-esteem. However, little is known about how youth come to be involved in food preparation at home. In addition, previous research has failed to explore the perspectives of youth regard...

An aromatic substance, eugenol induces distinct depressant effects on respiratory activity in different postnatal developmental stages of the rat.

Eugenol modulates neuronal activity through actions on voltage-gated ionic channels and/or transient receptor potential channels. We previously suggested that eugenol inhibited cellular (and/or network) mechanisms essential for the maintenance of the respiratory burst activity in a brainstem-spinal cord preparation from newborn rat (postnatal day 0-3). Study of the distinct effects of eugenol in neonatal and later developmental stage rats may offer new information about postnatal developmental changes of re...

Asthenozoospermia: Cellular and molecular contributing factors and treatment strategies.

Semen sample with poor sperm motility, which called asthenozoospermia, is considered as one of the main factors contributing to male infertility. Recognition of the cellular and molecular pathways contributing to sperm motility reduction may lead to applying novel treatment strategies for overcoming low sperm motility in asthenozoospermia individuals. In this review, we intend to discuss the main causes of sperm motility reduction in asthenozoospermia and some treatment strategies used to overcome low sperm...

Role of Angiotensin-(1-7) via Mas receptor in human sperm motility and acrosome reaction.

Rennin-angiotensin system (RAS) has been involved in sperm function, even so, little is known about the implication of one of the RAS axis formed by Ang-(1-7) [angiotensin-(1-7)] and Mas receptor. Hence, in the present work, we focused on elucidating the function of the Mas receptor in human sperm. We analyzed the expression and localization of Mas receptor in human sperm and we observed if its activation is able to modulate the sperm motility of normal motility and/or asthenozoospermic patients, as well as...

Quantum Neuromorphic Platform for Quantum State Preparation.

We develop a scheme of quantum reservoir state preparation, based on a quantum neural network framework, which takes classical optical excitation as input and provides desired quantum states as output. We theoretically demonstrate the broad potential of our scheme by explicitly preparing a range of intriguing quantum states, including single-photon states, Schrödinger's cat states, and two-mode entangled states. This scheme can be used as a compact quantum state preparation device for emerging quantum tech...

Increased DNA methylation in the spermatogenesis associated (SPATA) genes correlates with infertility.

Spermatogenesis-associated (SPATA) family of genes plays important roles in spermatogenesis, sperm maturation or fertilization. The knockout studies in mice have demonstrated that SPATA genes are crucial for fertility. Gene expression and genetic polymorphism studies have further suggested their correlation with infertility; however, methylation analysis of SPATA genes in human male infertility has not yet been undertaken.


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