# Engine breakdown of lysosomes and related organelles and the resulting physiology

**Authors:** Nina Bakker, Marlieke L. M. Jongsma, Jacques Neefjes

PMC · DOI: 10.3389/fcell.2025.1575571 · 2025-06-16

## TL;DR

This paper explores how lysosomes and related organelles move within cells and how disruptions in this process can lead to diseases.

## Contribution

The paper provides a detailed analysis of the mechanisms and factors involved in lysosome transport and its failure in disease.

## Key findings

- Lysosome transport depends on motor proteins and regulatory factors like Rab GTPases.
- Defective transport due to mutations can cause skin, neurological, and immunological diseases.
- The orchestration of transport involves microtubules, actin filaments, and membrane effectors.

## Abstract

Late endosomes/lysosomes (LE/Lys) and lysosome related organelles (LROs) move dynamically through cells which involves many levels of regulation. To reach their destination, they need to connect to the motor proteins dynein-dynactin, kinesin or myosin for long-range bidirectional transport along microtubules and short-range movement along actin filaments. This connection depends on various factors at the microtubule, including the MAP- and tubulin-code, as well as adaptors, Rab GTPases and effector proteins marking the LE/Lys and LRO membranes. Mutations affecting this transport results in defective LE/Lys or LRO cargo delivery often resulting in skin, neurological and/or immunological diseases. How LE/Lys and LRO transport is orchestrated and how it fails in disease states, will be discussed.

## Linked entities

- **Proteins:** Khc (Kinesin heavy chain), MYH14 (myosin heavy chain 14)

## Full-text entities

- **Genes:** MYH14 (myosin heavy chain 14) [NCBI Gene 79784] {aka DFNA4, DFNA4A, FP17425, MHC16, MYH17, NMHC II-C}
- **Diseases:** neurological and/or immunological diseases (MESH:D007154)

## Figures

2 figures with captions in the complete paper: https://tomesphere.com/paper/PMC12206772/full.md

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Source: https://tomesphere.com/paper/PMC12206772