# Microplastic presence in dog and human testis and its potential association with sperm count and weights of testis and epididymis

*PRI Rank #1 · Topics and Trends in Most Cited Sperm and Testicular Function Papers, Class of 2026*

*Canonical URL: https://pri.pepkio.com/top-papers/sperm-and-testicular-function/2026/rank-1*

| Field | Value |
| --- | --- |
| Rank | #1 |
| 18m citations | 136 |
| Journal | Toxicological Sciences |
| Year | 2024 |
| DOI | 10.1093/toxsci/kfae060 |
| Corresponding authors | Xiaozhong Yu |
| Institution | University of New Mexico, United States |

**Ranking page:** [Topics and Trends in Most Cited Sperm and Testicular Function Papers, Class of 2026](https://pri.pepkio.com/top-papers/sperm-and-testicular-function/2026)

**Paper link:** [10.1093/toxsci/kfae060](https://doi.org/10.1093/toxsci/kfae060)

## Topics

microplastics · nanoplastics · canine testis · human testis · sperm count · Sperm quality · testis weight · epididymis weight · pyrolysis-gas chromatography/mass spectrometry · polyethylene (PE) · polyvinyl chloride (PVC) · polyethylene terephthalate (PET) · polymer composition · male reproductive system · male fertility · reproductive organ weights · inter-individual variability · microplastic quantification

## Cite this ranking

```
Pepkio Research Index (PRI). Topics and Trends in Most Cited Sperm and Testicular Function Papers, Class of 2026. https://pri.pepkio.com/top-papers/sperm-and-testicular-function/2026. Accessed 2026-07-21.

Zheng Su, Tinsley Li, Thematic Shifts in Early-High-Impact Cancer Genomics and Diagnostics Research: A Bibliometric and Semantic Analysis. bioRxiv 2026.07.04.736459; doi: https://doi.org/10.64898/2026.07.04.736459
```