How Does Cancer Research Advance at CSHL?

TL;DR

Cold Spring Harbor Laboratory (CSHL) is advancing cancer research by exploring innovative approaches like immunology, chemistry, and CRISPR gene editing. Researchers at CSHL are uncovering new insights into cancer's mechanisms, such as how stress affects metastasis and how specific proteins influence tumor growth. These studies are paving the way for potential new treatments and therapies.

Transcript

[music] You’re now At the Lab with Cold Spring Harbor Laboratory. My name is Nick Fiore. I'm Nick Wurm. My name is Sam Diamond. I’m Marc Persad. My name is Sue Weil-Kazzaz. I’m Sara Giarnieri. And this week At the Lab we’re running back all of our episodes from Season 1 that focus on CSHL’s cutting-edge cancer research. [music] Scientists at Col... Read More

Key Insights

• CSHL researchers are using CRISPR gene editing to understand and combat cancer.
• Metastatic breast cancer can disguise itself with MHC-II to evade the immune system.
• Click chemistry enables synthesis of rare anticancer compounds like (–)-jerantinine A.
• Stress hormones can increase cancer metastasis by affecting neutrophils.
• Rhabdomyosarcoma research at CSHL focuses on transforming RMS cells to halt growth.
• BRD8 protein is a target for restoring P53 function in glioblastoma treatment.
• Collaboration between chemists and biologists at CSHL accelerates drug discovery.
• CSHL's research highlights the importance of stress management in cancer prevention.

Questions & Answers

Q: How does metastatic breast cancer evade the immune system?

Metastatic breast cancer evades the immune system by disguising itself with an immune system molecule called MHC-II. This disguise tricks the immune system into treating cancer cells as normal, preventing an immune response. CSHL researchers found that turning off MHC-II production in the breast can expose cancer cells, allowing the immune system to attack them.

Q: What is click chemistry and how is it used in cancer research?

Click chemistry is a set of reactions that allows chemists to 'click' together molecules to form new compounds quickly and reliably. At CSHL, click chemistry was used to synthesize (–)-jerantinine A, a rare anticancer compound. This method facilitates drug discovery by enabling the production of complex molecules without relying on scarce natural sources.

Q: How does stress influence cancer metastasis?

Stress influences cancer metastasis by increasing the formation of NETs (neutrophil extracellular traps) through the action of stress hormones like glucocorticoids. These NETs promote the spread of cancer cells. CSHL research indicates that managing stress and reducing stress hormone release may help prevent metastasis and improve cancer treatment outcomes.

Q: What is the role of BRD8 in glioblastoma?

BRD8 plays a crucial role in glioblastoma by inhibiting the tumor suppressor protein P53, which normally acts as a brake on cell division. CSHL researchers discovered that targeting BRD8 can restore P53 function, effectively stopping glioblastoma growth in mice and lab-grown tumor cells. This finding opens new avenues for glioblastoma treatment.

Q: How is rhabdomyosarcoma being studied at CSHL?

CSHL researchers are studying rhabdomyosarcoma (RMS) by exploring the possibility of transforming RMS cells into muscle cells to halt tumor growth. By identifying and targeting the protein NF-Y using CRISPR, they aim to complete the cells’ transformation and stop the cancer's progression. This approach could lead to new therapeutic strategies for RMS.

Q: What is the significance of (–)-jerantinine A in cancer research?

(–)-Jerantinine A is a compound with anticancer properties that was synthesized using click chemistry at CSHL. Its significance lies in its potential as a basis for new cancer treatments, particularly for pancreatic and breast cancers. The ability to produce it synthetically means it can be studied and developed without depleting endangered natural sources.

Q: Why is stress management important in cancer prevention?

Stress management is important in cancer prevention because stress hormones like glucocorticoids can promote cancer metastasis by triggering the formation of NETs. Reducing stress hormone release through stress management techniques, such as group therapy or social support, may decrease metastasis risk and improve survival rates in cancer patients.

Q: How does CSHL's interdisciplinary approach aid in cancer research?

CSHL's interdisciplinary approach, which involves collaboration between chemists and biologists, accelerates cancer research by combining expertise from different fields. This collaboration facilitates innovative methods like click chemistry and CRISPR gene editing, leading to breakthroughs in understanding cancer mechanisms and developing potential new treatments.

Summary & Key Takeaways

• CSHL's cancer research includes immunology, chemistry, and gene editing. Researchers discovered that metastatic breast cancer uses MHC-II to evade the immune system, and stress hormones can increase metastasis. These insights could lead to new treatments.

• Click chemistry has enabled the synthesis of (–)-jerantinine A, a rare anticancer compound. This approach, along with collaboration between disciplines, is crucial for drug discovery and development at CSHL.

• The discovery of BRD8 as a target for restoring P53 function in glioblastoma highlights CSHL's innovative approach to cancer treatment. Stress management is also emphasized as an important factor in cancer prevention.