Emerging roles and functional mechanisms of PIWI-interacting RNAs

X Wang, A Ramat, M Simonelig, MF Liu - Nature Reviews Molecular …, 2023 - nature.com
PIWI-interacting RNAs (piRNAs) are a class of small non-coding RNAs that associate with
proteins of the PIWI clade of the Argonaute family. First identified in animal germ line cells …

PIWI-interacting RNAs: small RNAs with big functions

DM Ozata, I Gainetdinov, A Zoch, D O'Carroll… - Nature Reviews …, 2019 - nature.com
In animals, PIWI-interacting RNAs (piRNAs) of 21–35 nucleotides in length silence
transposable elements, regulate gene expression and fight viral infection. piRNAs guide …

Characterizing expression changes in noncoding RNAs during aging and heterochronic parabiosis across mouse tissues

V Wagner, F Kern, O Hahn, N Schaum, N Ludwig… - Nature …, 2024 - nature.com
Molecular mechanisms of organismal and cell aging remain incompletely understood. We,
therefore, generated a body-wide map of noncoding RNA (ncRNA) expression in aging (16 …

Post-transcriptional regulation in spermatogenesis: all RNA pathways lead to healthy sperm

M Morgan, L Kumar, Y Li, M Baptissart - Cellular and Molecular Life …, 2021 - Springer
Multiple RNA pathways are required to produce functional sperm. Here, we review RNA post-
transcriptional regulation during spermatogenesis with particular emphasis on the role of …

Sperm acrosome overgrowth and infertility in mice lacking chromosome 18 pachytene piRNA

H Choi, Z Wang, J Dean - PLoS genetics, 2021 - journals.plos.org
piRNAs are small non-coding RNAs required to maintain genome integrity and preserve
RNA homeostasis during male gametogenesis. In murine adult testes, the highest levels of …

The birth of piRNAs: how mammalian piRNAs are produced, originated, and evolved

YH Sun, B Lee, XZ Li - Mammalian Genome, 2022 - Springer
Abstract PIWI-interacting RNAs (piRNAs), small noncoding RNAs 24–35 nucleotides long,
are essential for animal fertility. They play critical roles in a range of functions, including …

piRNA loading triggers MIWI translocation from the intermitochondrial cement to chromatoid body during mouse spermatogenesis

H Wei, J Gao, DH Lin, R Geng, J Liao… - Nature …, 2024 - nature.com
The intermitochondrial cement (IMC) and chromatoid body (CB) are posited as central sites
for piRNA activity in mice, with MIWI initially assembling in the IMC for piRNA processing …

PIWI-interacting RNAs (piRNAs): Promising applications as emerging biomarkers for digestive system cancer

A Cai, Y Hu, Z Zhou, Q Qi, Y Wu, P Dong… - Frontiers in Molecular …, 2022 - frontiersin.org
PIWI-interacting RNAs (piRNAs) are a novel type of small non-coding RNAs (sncRNAs),
which are 26–31 nucleotides in length and bind to PIWI proteins. Although piRNAs were …

MIWI N-terminal RG motif promotes efficient pachytene piRNA production and spermatogenesis independent of LINE1 transposon silencing

C Wei, J Jing, X Yan, JM Mann, R Geng, H Xie… - PLoS …, 2023 - journals.plos.org
PIWI proteins and their associated piRNAs act to silence transposons and promote
gametogenesis. Murine PIWI proteins MIWI, MILI, and MIWI2 have multiple arginine and …

Building RNA-protein germ granules: insights from the multifaceted functions of DEAD-box helicase Vasa/Ddx4 in germline development

C Xu, Y Cao, J Bao - Cellular and Molecular Life Sciences, 2022 - Springer
The segregation and maintenance of a dedicated germline in multicellular organisms is
essential for species propagation in the sexually reproducing metazoan kingdom. The …