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Related Experiment Video

Updated: Jul 6, 2026

Isolation of Human Lymphatic Endothelial Cells by Multi-parameter Fluorescence-activated Cell Sorting

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Published on: May 1, 2015

Lymphangioleiomyomatosis and tuberous sclerosis complex.

Dimitrios Chorianopoulos^1,2,3, Grigoris Stratakos⁴

¹1st Department of Respiratory Medicine, University of Athens Medical School, "Sotiria" General Hospital, Athens, Greece. dchorian@gmail.com.

|April 15, 2008

Summary

Lymphangioleiomyomatosis (LAM) is a rare lung disease in women, often linked to tuberous sclerosis complex (TSC). Genetic mutations in TSC2 are central to LAM

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Area of Science:

Genetics
Oncology
Pulmonology

Background:

Lymphangioleiomyomatosis (LAM) is a rare, multisystemic disease affecting women of childbearing age, primarily impacting the lungs and abdomen.
LAM can occur sporadically or be associated with Tuberous Sclerosis Complex (TSC), an inherited syndrome.
Both conditions share a common genetic origin, linked to mutations in the TSC1 and TSC2 tumor suppressor genes.

Purpose of the Study:

To review the diverse clinical and radiologic features of LAM.
To discuss the complex therapeutic approaches for LAM.
To highlight the genetic underpinnings and pathogenesis of LAM.

Main Methods:

Review of existing scientific evidence on LAM and TSC.
Analysis of genetic mutations, specifically in TSC2 and its role in tuberin-hamartin complex disruption.
Examination of cellular proliferation pathways (e.g., S6K1 activation) implicated in LAM pathogenesis.

Main Results:

Mutations in the TSC2 gene are correlated with sporadic LAM, implicating tuberin in disease development.
Loss or mutation of TSC2 disrupts the tuberin-hamartin complex, leading to dysregulated cell proliferation.
Despite research, no definitive effective treatment for LAM has been established.

Conclusions:

The tuberin-hamartin pathway and TSC2 mutations are critical in LAM pathogenesis.
The prognosis for LAM patients remains poor, with limited treatment options.
Lung transplantation is currently the last resort for advanced respiratory failure in LAM patients.