Results 101 to 110 of about 8,740 (224)

Identification and Validation of Biomarkers in Chronic Rhinosinusitis With Nasal Polyps and Study of Their Associated Mechanisms

open access: yesWorld Journal of Otorhinolaryngology - Head and Neck Surgery, EarlyView.
ABSTRACT Background Cell senescence (CS) and lipid metabolism (LM) disorders have been reported in chronic rhinosinusitis with nasal polyps (CRSwNP). However, the mechanism is still unclear. Methods Data were obtained from public databases; differential expression analysis and machine learning were performed to identify biomarkers and to understand the
Hui‐Yi Deng   +3 more
wiley   +1 more source

Molecular Motors: Dynein's Gearbox [PDF]

open access: yesCurrent Biology, 2004
A new optical trapping study shows that the stepsize of cytoplasmic dynein varies according to the applied force, suggesting that this motor can change gear. Complementary biochemical kinetic work on yeast dynein mutants hints at the allosteric mechanisms involved.
openaire   +2 more sources

CRISPR/Cas9‐mediated Genome‐editing Reveals 10 Testis‐enriched Genes and One Non‐testis‐enriched Gene are Dispensable for Male Fecundity in Mice

open access: yesAndrology, EarlyView.
ABSTRACT Background More than 1000 genes have been identified as predominantly expressed in the human testis. Advances in gene editing technologies have enabled the rapid and efficient generation of genetically engineered mice. This approach facilitates the screening of genes essential for spermatogenesis by analyzing knockout mouse models.
Yumiao Qiu   +2 more
wiley   +1 more source

Collective cargo hauling by a bundle of parallel microtubules: bi-directional motion caused by load-dependent polymerization and depolymerization

open access: yes, 2015
A microtubule (MT) is a hollow tube of approximately 25 nm diameter. The two ends of the tube are dissimilar and are designated as `plus' and `minus' ends. Motivated by the collective push and pull exerted by a bundle of MTs during chromosome segregation
Chowdhury, Debashish, Ghanti, Dipanwita
core   +1 more source

Microtubule Inner Protein CFAP77 Contributes to Sperm Motility and Male Fertility in Mice

open access: yesAndrology, EarlyView.
ABSTRACT Background Sperm motility is essential for male fertility, and its regulation is dependent on the structural integrity of the axoneme. The axoneme consists of a conserved “9+2” microtubule arrangement and is supported by microtubule inner proteins. However, the functional significance of many microtubule inner proteins remains unclear.
Haoting Wang   +4 more
wiley   +1 more source

Optic nerve sheath meningioma exhibits neural niche‐associated transcriptomic features and rare copy number variation‐linked evolution

open access: yesBrain Pathology, EarlyView.
Optic nerve sheath meningiomas are typically NF2‐intact with few copy number alterations and are generally clinically indolent. Rare aggressive recurrences are associated with progressive accumulation of copy number variations, including CDKN2A/B homozygous deletion, 1q gain, and 14q loss.
Daisuke Sato   +15 more
wiley   +1 more source

Mitochondrial Transfer in the Tumor Microenvironment

open access: yesCancer Science, EarlyView.
Mitochondria are actively exchanged among tumor, immune, stromal, and neuronal cells within the tumor microenvironment. Such transfer rewires tumor metabolism, promotes immune evasion, and drives therapy resistance. Targeting mitochondrial transfer or harnessing mitochondrial transplantation represents a promising strategy to restore antitumor immunity
Ryo Omae   +2 more
wiley   +1 more source

Radial Spoke Proteins of \u3cem\u3eChlamydomonas\u3c/em\u3e Flagella [PDF]

open access: yes, 2006
The radial spoke is a ubiquitous component of `9+2\u27 cilia and flagella, and plays an essential role in the control of dynein arm activity by relaying signals from the central pair of microtubules to the arms. The Chlamydomonas reinhardtii radial spoke
Agrin, Nathan S.   +11 more
core   +1 more source

Reconstruction of native cellular microanatomy in a novel bioengineered full thickness human nasal mucosal construct

open access: yesJournal of Anatomy, EarlyView.
Bioengineered tissue constructs are vital technologies employed in in vitro testing of both fundamental biological principles and industrial screening practices. Current approaches to modelling the nasal mucosa in vitro are not representative and are associated with limitations that impact their reliability and predictive value.
Steven Bradbury   +5 more
wiley   +1 more source

Expression, Localization of SUMO-1, and Analyses of Potential SUMOylated Proteins in Bubalus bubalis Spermatozoa

open access: yesFrontiers in Physiology, 2017
Mature spermatozoa have highly condensed DNA that is essentially silent both transcriptionally and translationally. Therefore, post translational modifications are very important for regulating sperm motility, morphology, and for male fertility in ...
Rahim Dad Brohi   +18 more
doaj   +1 more source

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