Background: The PTCH1 gene, also known as Patched 1, is located on the long arm of human chromosome 9 (9q22.3). It encodes the PTCH1 protein, which is a critical transmembrane receptor within the Hedgehog signaling pa...Background: The PTCH1 gene, also known as Patched 1, is located on the long arm of human chromosome 9 (9q22.3). It encodes the PTCH1 protein, which is a critical transmembrane receptor within the Hedgehog signaling pathway (Hh), playing a pivotal role in cellular communication and developmental processes. Recent studies have highlighted the significance of mutations in PTCH1 in the pathogenesis of lung cancer, positioning it as a crucial molecule for investigation in oncology. Purpose: This review aims to elucidate the role of the PTCH1 and the Hedgehog pathway in the initiation, progression, and potential treatment of lung cancer, thereby providing a theoretical foundation for personalized and precise therapeutic strategies. Method: To ensure a comprehensive review, this study systematically searched for literature related to the PTCH1, lung cancer, and the Hedgehog pathway across multiple databases including PubMed, Web of Science, and CNKI (China National Knowledge Infrastructure). The search strategy involved using specific keywords and advanced filtering options to include the most relevant and recent studies. Initial screening excluded irrelevant articles, followed by a detailed evaluation of the selected studies based on their scientific quality and relevance. Results: This review indicated that specific mutations in the PTCH1 gene are closely associated with the onset and progression of lung cancer. These mutations impede normal Hedgehog signaling, leading to unregulated cell proliferation and tumor growth. Targeting PTCH1, including vismodegib, have shown efficacy in clinical cases, particularly in SCCL with specific PTCH1 mutations, leading to complete remissions. Furthermore, the interaction between PTCH1 and microRNA-212 suggests potential therapeutic approaches by targeting miRNA to regulate PTCH1 expression. In addition, the investigation of traditional Chinese medicines such as Ginsenosides and Cordyceps sinensis extracts has shown their potential to modulate the Hedgehog pathway and reverse drug resistance. Conclusions: An in-depth understanding of the precise mechanisms by which PTCH1 mutations promote lung cancer could facilitate the development of targeted therapies. This study highlights the potential of PTCH1 as a biomarker for diagnosis and a target for precision medicine in lung cancer treatment, advocating for further research into its molecular pathways and therapeutic applications.展开更多
Background:The PTCH1 gene,also known as Patched 1,is located on the long arm of human chromosome 9(9q22.3).It encodes the PTCH1 protein,which is a critical transmembrane receptor within the Hedgehog signaling pathway(...Background:The PTCH1 gene,also known as Patched 1,is located on the long arm of human chromosome 9(9q22.3).It encodes the PTCH1 protein,which is a critical transmembrane receptor within the Hedgehog signaling pathway(Hh),playing a pivotal role in cellular communication and developmental processes.Recent studies have highlighted the significance of mutations in PTCH1 in the pathogenesis of lung cancer,positioning it as a crucial molecule for investigation in oncology.Purpose:This review aims to elucidate the role of the PTCH1 and the Hedgehog pathway in the initiation,progression,and potential treatment of lung cancer,thereby providing a theoretical foundation for personalized and precise therapeutic strategies.Method:To ensure a comprehensive review,this study systematically searched for literature related to the PTCH1,lung cancer,and the Hedgehog pathway across multiple databases including PubMed,Web of Science,and CNKI(China National Knowledge Infrastructure).The search strategy involved using specific keywords and advanced filtering options to include the most relevant and recent studies.Initial screening excluded irrelevant articles,followed by a detailed evaluation of the selected studies based on their scientific quality and relevance.Results:This review indicated that specific mutations in the PTCH1 gene are closely associated with the onset and progression of lung cancer.These mutations impede normal Hedgehog signaling,leading to unregulated cell proliferation and tumor growth.Targeting PTCH1,including vismodegib,have shown efficacy in clinical cases,particularly in SCCL with specific PTCH1 mutations,leading to complete remissions.Furthermore,the interaction between PTCH1 and microRNA-212 suggests potential therapeutic approaches by targeting miRNA to regulate PTCH1 expression.In addition,the investigation of traditional Chinese medicines such as Ginsenosides and Cordyceps sinensis extracts has shown their potential to modulate the Hedgehog pathway and reverse drug resistance.Conclusions:An in-depth understanding of the precise mechanisms by which PTCH1 mutations promote lung cancer could facilitate the development of targeted therapies.This study highlights the potential of PTCH1 as a biomarker for diagnosis and a target for precision medicine in lung cancer treatment,advocating for further research into its molecular pathways and therapeutic applications.展开更多
Cancer progression involves the sonic hedgehog(SHH)pathway,in which the receptor PTCH1 actives the downstream pathways.Dysfunction of PTCH1 can lead to nevoid basal cell carcinoma Syndrome(NBCCs)including neoplastic d...Cancer progression involves the sonic hedgehog(SHH)pathway,in which the receptor PTCH1 actives the downstream pathways.Dysfunction of PTCH1 can lead to nevoid basal cell carcinoma Syndrome(NBCCs)including neoplastic disease and congenital disorder.To evaluate the relationship between PTCH1 and cancer,we applied the CRISPR/Cas9 system to knock out PTCH1 in oral nontumorous epithelial cells(GMSM-K).Then we screened six PTCH1 variants associated with cleft lip/palate(CL/P),one of the congenital disorders in NBCCs,and generated PTCH1 variant and wild-type recombinant PTCH1^(−/−)GMSM-K cell lines.Transcriptome sequencing was conducted in these cell lines.The results revealed that differentially expressed genes(DEGs)in PTCH1^(−/−)GMSM-K were enriched in extracellular compartments,contributing epithelial diseases by pathway enrichment analysis.RT-PCR confirmed that KRT34,KRT81,KRT86,PDGFB,and WNT10B genes,associated with extracellular compartments were highly expressed in PTCH1^(−/−).The Kyoto Encyclopedia of Genes and Genomes analysis also suggested that DEGs are closely related to focal adhesion,transcriptional misregulation,and proteoglycans in breast and gastric cancers.Comparative analysis of samples revealed that the CL/P-associated PTCH1 variants A443G and V908G are potentially carcinogenic.These findings provide new insights into the carcinogenic potential of PTCH1 dysfunction.展开更多
文摘Background: The PTCH1 gene, also known as Patched 1, is located on the long arm of human chromosome 9 (9q22.3). It encodes the PTCH1 protein, which is a critical transmembrane receptor within the Hedgehog signaling pathway (Hh), playing a pivotal role in cellular communication and developmental processes. Recent studies have highlighted the significance of mutations in PTCH1 in the pathogenesis of lung cancer, positioning it as a crucial molecule for investigation in oncology. Purpose: This review aims to elucidate the role of the PTCH1 and the Hedgehog pathway in the initiation, progression, and potential treatment of lung cancer, thereby providing a theoretical foundation for personalized and precise therapeutic strategies. Method: To ensure a comprehensive review, this study systematically searched for literature related to the PTCH1, lung cancer, and the Hedgehog pathway across multiple databases including PubMed, Web of Science, and CNKI (China National Knowledge Infrastructure). The search strategy involved using specific keywords and advanced filtering options to include the most relevant and recent studies. Initial screening excluded irrelevant articles, followed by a detailed evaluation of the selected studies based on their scientific quality and relevance. Results: This review indicated that specific mutations in the PTCH1 gene are closely associated with the onset and progression of lung cancer. These mutations impede normal Hedgehog signaling, leading to unregulated cell proliferation and tumor growth. Targeting PTCH1, including vismodegib, have shown efficacy in clinical cases, particularly in SCCL with specific PTCH1 mutations, leading to complete remissions. Furthermore, the interaction between PTCH1 and microRNA-212 suggests potential therapeutic approaches by targeting miRNA to regulate PTCH1 expression. In addition, the investigation of traditional Chinese medicines such as Ginsenosides and Cordyceps sinensis extracts has shown their potential to modulate the Hedgehog pathway and reverse drug resistance. Conclusions: An in-depth understanding of the precise mechanisms by which PTCH1 mutations promote lung cancer could facilitate the development of targeted therapies. This study highlights the potential of PTCH1 as a biomarker for diagnosis and a target for precision medicine in lung cancer treatment, advocating for further research into its molecular pathways and therapeutic applications.
文摘Background:The PTCH1 gene,also known as Patched 1,is located on the long arm of human chromosome 9(9q22.3).It encodes the PTCH1 protein,which is a critical transmembrane receptor within the Hedgehog signaling pathway(Hh),playing a pivotal role in cellular communication and developmental processes.Recent studies have highlighted the significance of mutations in PTCH1 in the pathogenesis of lung cancer,positioning it as a crucial molecule for investigation in oncology.Purpose:This review aims to elucidate the role of the PTCH1 and the Hedgehog pathway in the initiation,progression,and potential treatment of lung cancer,thereby providing a theoretical foundation for personalized and precise therapeutic strategies.Method:To ensure a comprehensive review,this study systematically searched for literature related to the PTCH1,lung cancer,and the Hedgehog pathway across multiple databases including PubMed,Web of Science,and CNKI(China National Knowledge Infrastructure).The search strategy involved using specific keywords and advanced filtering options to include the most relevant and recent studies.Initial screening excluded irrelevant articles,followed by a detailed evaluation of the selected studies based on their scientific quality and relevance.Results:This review indicated that specific mutations in the PTCH1 gene are closely associated with the onset and progression of lung cancer.These mutations impede normal Hedgehog signaling,leading to unregulated cell proliferation and tumor growth.Targeting PTCH1,including vismodegib,have shown efficacy in clinical cases,particularly in SCCL with specific PTCH1 mutations,leading to complete remissions.Furthermore,the interaction between PTCH1 and microRNA-212 suggests potential therapeutic approaches by targeting miRNA to regulate PTCH1 expression.In addition,the investigation of traditional Chinese medicines such as Ginsenosides and Cordyceps sinensis extracts has shown their potential to modulate the Hedgehog pathway and reverse drug resistance.Conclusions:An in-depth understanding of the precise mechanisms by which PTCH1 mutations promote lung cancer could facilitate the development of targeted therapies.This study highlights the potential of PTCH1 as a biomarker for diagnosis and a target for precision medicine in lung cancer treatment,advocating for further research into its molecular pathways and therapeutic applications.
基金This work was supported by the Natural Science Foundation of China(Nos.81870747,82170916)Clinical Medicine Plus X–Young Scholars Project(PKU2021LCXQ003)the Fundamental Research Funds for the Central Universities(BMU2021YJ001).
文摘Cancer progression involves the sonic hedgehog(SHH)pathway,in which the receptor PTCH1 actives the downstream pathways.Dysfunction of PTCH1 can lead to nevoid basal cell carcinoma Syndrome(NBCCs)including neoplastic disease and congenital disorder.To evaluate the relationship between PTCH1 and cancer,we applied the CRISPR/Cas9 system to knock out PTCH1 in oral nontumorous epithelial cells(GMSM-K).Then we screened six PTCH1 variants associated with cleft lip/palate(CL/P),one of the congenital disorders in NBCCs,and generated PTCH1 variant and wild-type recombinant PTCH1^(−/−)GMSM-K cell lines.Transcriptome sequencing was conducted in these cell lines.The results revealed that differentially expressed genes(DEGs)in PTCH1^(−/−)GMSM-K were enriched in extracellular compartments,contributing epithelial diseases by pathway enrichment analysis.RT-PCR confirmed that KRT34,KRT81,KRT86,PDGFB,and WNT10B genes,associated with extracellular compartments were highly expressed in PTCH1^(−/−).The Kyoto Encyclopedia of Genes and Genomes analysis also suggested that DEGs are closely related to focal adhesion,transcriptional misregulation,and proteoglycans in breast and gastric cancers.Comparative analysis of samples revealed that the CL/P-associated PTCH1 variants A443G and V908G are potentially carcinogenic.These findings provide new insights into the carcinogenic potential of PTCH1 dysfunction.