Results 91 to 100 of about 552,185 (343)

Single-cell RNA sequencing reveals the local cell landscape in mouse epididymal initial segment during aging

open access: yesImmunity & Ageing, 2023
Background Morphological and functional alterations in aging reproductive organs result in decreased male fertility. The epididymis functions as the transition region for post-testicular sperm maturation.
Jintao Zhuang   +10 more
doaj   +1 more source

Sperm protein 17 is expressed in the sperm fibrous sheath [PDF]

open access: yesJournal of Translational Medicine, 2009
Sperm protein 17 (Sp17) is a highly conserved mammalian protein characterized in rabbit, mouse, monkey, baboon, macaque, human testis and spermatozoa. mRNA encoding Sp17 has been detected in a range of murine and human somatic tissues. It was also recognized in two myeloma cell lines and in neoplastic cells from patients with multiple myeloma and ...
Francesco Costa   +12 more
openaire   +4 more sources

Multimodal Actuation and Environment Adaptive Strategies of Bio‐Inspired Micro/Nanorobots in Precision Medicine

open access: yesAdvanced Robotics Research, EarlyView.
An introduction for multidrive and environment‐adaptive micro/nanorobotics: design and fabrication strategies, intelligent actuation, and their applications. Various intelligent actuation approaches—magnetic, acoustic, optical, chemical, and biological—can be synergistically designed to enhance flexibility and adaptive behavior for precision medicine ...
Aiqing Ma   +10 more
wiley   +1 more source

Sperm Motility Should be Assessed in Fresh Sperm and After a Sperm Washing Procedure [PDF]

open access: yesArchives of Andrology, 1992
A prospective study was carried out on semen samples from 118 consecutive unselected men attending our infertility clinic to determine whether sperm motility may be affected by seminal plasma. The incidence of asthenozoospermia as defined by fewer than 50% of spermatozoa with forward progressive motility in the untreated semen was 37.4%. This value was
Gonzales Rengifo, Gustavo Francisco   +1 more
openaire   +3 more sources

Strong‐Magnetic Flexible Composites for Magnetically Responsive Soft Robots

open access: yesAdvanced Robotics Research, EarlyView.
This perspective provides an overview of the performance mechanisms, preparation methods, and applications of strong magnetic flexible composite materials in soft actuators (such as gripping, movement, and sensing), and further explores current opportunities and challenges.
Wenwen Li   +4 more
wiley   +1 more source

Single-cell Motility Analysis of Tethered Human Spermatozoa. [PDF]

open access: yes, 2019
Vigorous sperm flagellar motility is essential for fertilization, and so the quantitative measurement of motility is a useful tool to assess the intrinsic fertility potential of sperm cells and explore how various factors can alter sperm's ability to ...
Lishko, Polina V   +3 more
core  

Use of sperm DNA fragmentation testing and testicular sperm for intracytoplasmic sperm injection [PDF]

open access: yesTranslational Andrology and Urology, 2017
Dr. Ahmad, in his well-written commentary (1), shared his viewpoints about the utility of sperm DNA fragmentation (SDF) testing on each clinical scenario proposed in the practice recommendations by Agarwal et al . (2). He highlighted the pitfalls of relying on quantitative semen parameters in current practice and the need for a more reliable ...
Ashok Agarwal   +3 more
openaire   +3 more sources

Magnetic Field Driven Microrobot Based on Hydrogels

open access: yesAdvanced Robotics Research, EarlyView.
Hydrogel‐based magnetic microrobots synergize remote magnetic control with the biocompatibility of flexible hydrogels, emerging as promising tools for minimally invasive biomedicine. This enables remotely controllable, untethered navigation within complex biological microenvironments.
Juncai Song, Yubing Guo
wiley   +1 more source

Understanding miR‐200c: an Important Player in Resistance to Cancer Treatment

open access: yesAdvanced Therapeutics, EarlyView.
How can one microRNA alter cancer's response to therapy? miR‐200c plays a central role in therapeutic resistance by modulating epithelial‐mesenchymal transition, apoptosis, cancer stemness features, and drug efflux. This review outlines the context‐dependent functions of miR‐200c in various cancers and highlights its potential as both a biomarker and a
Fatma Sanli, Omer Faruk Karatas
wiley   +1 more source

A Bayesian method to estimate the depth and the range of phonating sperm whales using a single hydrophone [PDF]

open access: yes, 2007
Some bioacousticians have used a single hydrophone to calculate the depth/range of phonating diving animals. The standard one-hydrophone localization method uses multipath transmissions (direct path, sea surface, and seafloor reflections) of the animal ...
Backus R.   +3 more
core   +4 more sources

Home - About - Disclaimer - Privacy