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Related Concept Videos

Lymphatic Vessels and Lymph Transport01:16

Lymphatic Vessels and Lymph Transport

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Lymphatic vessels, known as lymphatics, are crucial in transporting lymph from peripheral tissues to our venous system. This process begins with lymph entering through tiny capillaries that branch through tissues. These capillaries have unique features such as larger diameters, thinner walls, and a distinctive one-way valve system formed by overlapping endothelial cells.
This one-way system allows fluids, solutes, and even pathogens to enter but prevents their return to the intercellular...
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Detailed Structure and Function of Lymph Nodes01:23

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Lymph nodes are bean-shaped structures that cluster along the lymphatic vessels in the inguinal, axillary, and cervical regions. Each node is divided into compartments by a capsule that extends trabeculae inward.
From a histological perspective, lymph nodes can be split into two main areas: the superficial cortex and the deep medulla. The outer cortex is populated by dendritic cells, macrophages, and B lymphocytes, which are densely packed into follicles. When these B-lymphocytes are presented...
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Development of the Lymphatic System01:15

Development of the Lymphatic System

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The development of lymphatic tissues and vessels in embryonic life begins around the fifth week. These structures originate from the mesoderm layer, with lymph sacs emerging from developing veins.
The first lymph sacs to form are the paired jugular lymph sacs located at the junction of the internal jugular and subclavian veins. From these sacs, lymphatic capillary plexuses extend to the thorax, upper limbs, neck, and head, eventually forming lymphatic vessels. Each jugular lymph sac maintains a...
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Related Experiment Video

Updated: Mar 1, 2026

Author Spotlight: A Model to Study the Systemic and Local Dynamics of CD8+ T Cells During LN Metastasis
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Intratumoral lymphatics: When less is more.

Nathan Dangle1, Andy J Minn1

  • 1Immuno-Oncology Program, Memorial Sloan Kettering Cancer Center, New York, NY, USA.

Cancer Cell
|February 27, 2026
PubMed
Summary

Tumor lymphatic vessels have dual roles in cancer. Interferon gamma (IFNγ) reprograms these vessels to boost anti-cancer immunity and prevent metastasis.

Area of Science:

  • Oncology
  • Immunology
  • Cancer Biology

Background:

  • Lymphatic vessels play complex roles in cancer, aiding both immune responses and tumor spread.
  • Understanding the molecular mechanisms governing lymphatic vessel function in cancer is crucial.

Purpose of the Study:

  • To investigate the role of interferon gamma (IFNγ) in modulating tumor-associated lymphatic vessels.
  • To determine how IFNγ affects lymphatic vessel phenotype, metabolism, and function in the context of cancer immunity and metastasis.

Main Methods:

  • Analysis of tumor-associated lymphatic vessels in preclinical cancer models.
  • Assessment of lymphatic vessel phenotype and metabolic changes induced by IFNγ.
  • Evaluation of the impact of IFNγ-modified lymphatic vessels on immune cell infiltration and metastatic spread.

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Author Spotlight: A Model to Study the Systemic and Local Dynamics of CD8+ T Cells During LN Metastasis
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Main Results:

  • IFNγ acts as a critical switch in tumor lymphatic vessels.
  • IFNγ reinforces antitumor immunity by altering lymphatic vessel characteristics.
  • IFNγ-mediated changes in lymphatic vessels effectively block regional tumor metastasis.

Conclusions:

  • Interferon gamma is a key regulator of tumor lymphatic vessel function.
  • Targeting lymphatic vessels with IFNγ presents a potential therapeutic strategy to enhance cancer immunity and prevent metastasis.