---
title: Do immune cells help break down the uterine lining during menstruation?
description: Lab tests suggest they do play a role, but the process is tightly regulated by other molecules to prevent excessive tissue damage.
url: https://niyora.com/research/papers/in-vitro-studies-of-the-potential-role-of-neutrophils-in-the-process-of-2000/
---

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- Do immune cells help break down the uterine lining during menstruation?

Study, 2000

# Do immune cells help break down the uterine lining during menstruation?

Lab tests suggest they do play a role, but the process is tightly regulated by other molecules to prevent excessive tissue damage.

 Early or limited evidence

Not applicable - cell culture study

## What they did

Lab cultures of immune cells called neutrophils with uterine tissue cells. Researchers tested whether neutrophils could activate enzymes that break down tissue matrix.

## What they found

When neutrophils from blood were cultured with uterine stromal fibroblasts, they activated enzymes that break down tissue. A protease called elastase appeared to play a role in this activation. However, neutrophils taken from the uterus itself did not activate these enzymes the same way, possibly because they produce different levels of elastase and inhibitors.

## What it means for you

Immune cells may contribute to the normal breakdown of the uterine lining during menstruation, but the process is carefully regulated. This is lab work using cultured cells, so we cannot directly apply these findings to what happens in the living body.

## About the study

Original title In-vitro studies of the potential role of neutrophils in the process of menstruation Authors Lathbury LJ, Salamonsen LA Journal Molecular human reproduction Year 2000 Study design Study What was tested None Read the paper [doi.org/10.1093/molehr/6.10.899](https://doi.org/10.1093/molehr/6.10.899)

## Topics

[Stigma, attitudes and culture](https://niyora.com/research/topics/life-area-stigma-culture/)

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