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Hedgehog Signaling Pathway Studies
Research Guide
What is Hedgehog Signaling Pathway Studies?
Hedgehog Signaling Pathway Studies is a research field examining the Hedgehog signaling pathway's roles in animal development and cancer, including its contributions to tumorigenesis, stem cell renewal, and cancers such as pancreatic cancer and basal cell carcinoma, along with mechanisms of pathway inhibition for therapeutic targeting.
The field encompasses 34,839 works focused on Hedgehog signaling in development and cancer. "Inhibition of Hedgehog Signaling Enhances Delivery of Chemotherapy in a Mouse Model of Pancreatic Cancer" (2009) demonstrated improved chemotherapy delivery in pancreatic cancer models through Hedgehog inhibition. Studies highlight Gli proteins and Smoothened as key components in pathway regulation.
Topic Hierarchy
Research Sub-Topics
Hedgehog Signaling in Embryonic Development
This sub-topic elucidates the role of Sonic Hedgehog and other ligands in patterning limbs, neural tube, and organs during embryogenesis. Researchers use genetic models like knockout mice to dissect pathway functions.
Hedgehog Pathway in Basal Cell Carcinoma
This sub-topic examines activating mutations in Smoothened and PTCH1 driving BCC tumorigenesis and metastasis. Researchers study targeted inhibitors like vismodegib in clinical trials.
Hedgehog Signaling in Pancreatic Cancer
This sub-topic investigates Hedgehog activation in pancreatic ductal adenocarcinoma stroma and tumor progression. Researchers explore combinatorial therapies enhancing chemotherapy delivery.
Cancer Stem Cells and Hedgehog Pathway
This sub-topic focuses on Hedgehog regulation of self-renewal and chemoresistance in tumor-initiating cells across cancers. Researchers use sphere assays and lineage tracing to validate mechanisms.
Hedgehog Pathway Inhibitors in Cancer Therapy
This sub-topic evaluates small-molecule inhibitors like Glasdegib, their mechanisms, resistance profiles, and combination strategies. Researchers conduct preclinical and phase trials for optimization.
Why It Matters
Hedgehog signaling pathway studies identify therapeutic targets for cancers like pancreatic cancer and basal cell carcinoma. "Inhibition of Hedgehog Signaling Enhances Delivery of Chemotherapy in a Mouse Model of Pancreatic Cancer" by Olive et al. (2009) showed that Hedgehog inhibition in a mouse model reduced tumor stroma, enhancing chemotherapy delivery and slowing tumor progression. "Identification of Pancreatic Cancer Stem Cells" by Li et al. (2007) revealed cancer stem cells in pancreatic tumors, linking Hedgehog activity to tumor propagation and drug resistance. These findings support pathway inhibition to overcome treatment barriers in solid tumors.
Reading Guide
Where to Start
"Cyclopia and defective axial patterning in mice lacking Sonic hedgehog gene function" by Chiang et al. (1996) provides a foundational understanding of Hedgehog's role in development through clear genetic knockout evidence.
Key Papers Explained
"Cyclopia and defective axial patterning in mice lacking Sonic hedgehog gene function" (Chiang et al., 1996) establishes Hedgehog's developmental role, which "Identification of human brain tumour initiating cells" (Singh et al., 2004) extends to brain tumor stem cells. "Identification of Pancreatic Cancer Stem Cells" (Li et al., 2007) applies this to pancreatic tumors, while "Inhibition of Hedgehog Signaling Enhances Delivery of Chemotherapy in a Mouse Model of Pancreatic Cancer" (Olive et al., 2009) demonstrates therapeutic inhibition building on stem cell insights.
Paper Timeline
Most-cited paper highlighted in red. Papers ordered chronologically.
Advanced Directions
Research emphasizes pathway inhibition in pancreatic cancer models, as in Olive et al. (2009), with focus on stromal reduction for better drug delivery. No recent preprints or news in the last 12 months indicate steady progress without new disruptions.
Papers at a Glance
| # | Paper | Year | Venue | Citations | Open Access |
|---|---|---|---|---|---|
| 1 | Molecular mechanisms of epithelial–mesenchymal transition | 2014 | Nature Reviews Molecul... | 8.0K | ✓ |
| 2 | Identification of human brain tumour initiating cells | 2004 | Nature | 7.3K | ✕ |
| 3 | Mice deficient for p53 are developmentally normal but suscepti... | 1992 | Nature | 4.7K | ✕ |
| 4 | TGFβ in Cancer | 2008 | Cell | 3.8K | ✓ |
| 5 | Germ Line p53 Mutations in a Familial Syndrome of Breast Cance... | 1990 | Science | 3.8K | ✕ |
| 6 | Tumour stem cells and drug resistance | 2005 | Nature reviews. Cancer | 3.6K | ✕ |
| 7 | Cancer stem cells in solid tumours: accumulating evidence and ... | 2008 | Nature reviews. Cancer | 3.4K | ✕ |
| 8 | Identification of Pancreatic Cancer Stem Cells | 2007 | Cancer Research | 3.3K | ✓ |
| 9 | Inhibition of Hedgehog Signaling Enhances Delivery of Chemothe... | 2009 | Science | 3.1K | ✕ |
| 10 | Cyclopia and defective axial patterning in mice lacking Sonic ... | 1996 | Nature | 3.1K | ✕ |
Frequently Asked Questions
What role does Hedgehog signaling play in pancreatic cancer?
Hedgehog signaling contributes to pancreatic cancer progression by supporting tumor stroma and cancer stem cells. "Inhibition of Hedgehog Signaling Enhances Delivery of Chemotherapy in a Mouse Model of Pancreatic Cancer" (2009) showed that inhibiting the pathway reduces desmoplasia, improving gemcitabine delivery. This links Hedgehog to chemotherapy resistance in pancreatic tumors.
How does Hedgehog signaling relate to cancer stem cells?
Hedgehog signaling maintains cancer stem cells in tumors like pancreatic cancer. "Identification of Pancreatic Cancer Stem Cells" by Li et al. (2007) identified a CD44+CD24+ESA+ subpopulation with stem cell properties in pancreatic tumors. Pathway inhibition targets these cells to limit tumor growth.
What is the function of Sonic hedgehog in development?
Sonic hedgehog gene function is essential for axial patterning in embryonic development. "Cyclopia and defective axial patterning in mice lacking Sonic hedgehog gene function" by Chiang et al. (1996) reported that Sonic hedgehog-deficient mice exhibit cyclopia and patterning defects. This demonstrates Hedgehog's role in organ formation.
Why is Hedgehog pathway inhibition studied in cancer?
Hedgehog pathway inhibition is studied to disrupt tumorigenesis and enhance cancer treatments. "Inhibition of Hedgehog Signaling Enhances Delivery of Chemotherapy in a Mouse Model of Pancreatic Cancer" (2009) found that inhibition improves drug access in dense tumors. It addresses stem cell renewal and tumor progression.
What cancers are associated with Hedgehog signaling?
Hedgehog signaling is linked to pancreatic cancer, basal cell carcinoma, and brain tumors. "Identification of human brain tumour initiating cells" by Singh et al. (2004) identified tumor-initiating cells in brain cancers with stem-like properties. Studies connect the pathway to these malignancies.
How many papers exist on Hedgehog signaling pathway studies?
There are 34,839 works in Hedgehog Signaling Pathway Studies. This count reflects research on development, cancer, and inhibition mechanisms. Growth data over 5 years is not available.
Open Research Questions
- ? How does Hedgehog signaling interact with TGFβ pathways to drive epithelial-mesenchymal transition in cancer progression?
- ? What mechanisms allow Hedgehog-dependent cancer stem cells to evade chemotherapy in pancreatic tumors?
- ? Can targeted inhibition of Smoothened or Gli proteins prevent basal cell carcinoma recurrence without developmental side effects?
- ? How does Sonic hedgehog deficiency alter stem cell renewal in adult tissues beyond embryonic patterning?
- ? What role does Hedgehog signaling play in linking p53 mutations to tumor susceptibility in specific cancers?
Recent Trends
The field maintains 34,839 works with no specified 5-year growth rate.
High-citation papers like "Inhibition of Hedgehog Signaling Enhances Delivery of Chemotherapy in a Mouse Model of Pancreatic Cancer" (Olive et al., 2009, 3092 citations) underscore ongoing interest in therapeutic inhibition.
No recent preprints or news coverage in the last 12 months reported.
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