DCLK1 isoforms and aberrant Notch signaling in the regulation of human and murine colitis

Abstract Alternative promoter usage generates long and short isoforms (DCLK1-L and DCLK1-S) of doublecortin-like kinase-1 (DCLK1). Tight control of Notch signaling is important to prevent and restitute inflammation in the intestine. Our aim was to investigate whether Notch1–DCLK1 axis regulates the mucosal immune responses to infection and whether this is phenocopied in human models of colitis. In the FFPE (formalin-fixed paraffin-embedded) sections prepared from the colons of ulcerative colitis (UC) and immune-mediated colitis (IRAEC) patients, expression of DCLK1 isoforms correlated positively with Notch1 and negatively with a transcriptional repressor, FoxD3 (Forkhead Box D3). DCLK1 protein staining in these sections was predominantly sub-epithelial (stromal) wherein DCLK1 co-localized with NICD, CD68, CD11c, and neutrophil elastase (NE). NE also co-stained with Citrullinated-H3 indicating the presence of neutrophil extracellular traps. In human neutrophils, elevated levels of DCLK1-S, CXCL-10, Ly6G, MPO, NE, and Notch1/2 in LPS-treated cells were inhibited when LPS was added in conjunction with Notch blocker dibenzazepine (DBZ; LPS + DBZ group). In CR-infected Rag1 −/− mice, higher levels of DCLK1 in the colonic crypts were inhibited when mice received DBZ for 10 days coincident with significant dysbiosis, barrier disruption, and colitis. Concurrently, DCLK1 immunoreactivity shifted toward the stroma in CR + DBZ mice with predominance of DCLK1-S that coincided with higher Notch1 levels. Upon antibiotic treatment, partial restoration of crypt DCLK1, reduction in MPO activity, and increased survival followed. When intestinal epithelial cell-specific Dclk1-knockout (Dclk1 ΔIEC ) or Dclk1 ΔIEC ;Rag1 −/− double knockout (DKO) mice were infected with CR and given a single dose of DBZ, they developed barrier defect and severe colitis with higher levels of stromal DCLK1-S, Ly6G, NE, and Notch1. We therefore propose that, by regulating the mucosal immune responses, the Notch–DCLK1 axis may be integral to the development of murine or human colitis. Ausführliche Beschreibung

Gespeichert in:

Autor*in:	Badal C. Roy [verfasserIn] Ishfaq Ahmed [verfasserIn] Jason Stubbs [verfasserIn] Jun Zhang [verfasserIn] Thomas Attard [verfasserIn] Seth Septer [verfasserIn] Danny Welch [verfasserIn] Shrikant Anant [verfasserIn] Venkatesh Sampath [verfasserIn] Shahid Umar [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2021

Übergeordnetes Werk:	In: Cell Death Discovery - Nature Publishing Group, 2018, 7(2021), 1, Seite 14
Übergeordnetes Werk:	volume:7 ; year:2021 ; number:1 ; pages:14

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.1038/s41420-021-00526-9

Katalog-ID:	DOAJ062717049

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allfields	10.1038/s41420-021-00526-9 doi (DE-627)DOAJ062717049 (DE-599)DOAJd7436833a6ef4b55967dec6aa603e365 DE-627 ger DE-627 rakwb eng RC254-282 QH573-671 Badal C. Roy verfasserin aut DCLK1 isoforms and aberrant Notch signaling in the regulation of human and murine colitis 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Alternative promoter usage generates long and short isoforms (DCLK1-L and DCLK1-S) of doublecortin-like kinase-1 (DCLK1). Tight control of Notch signaling is important to prevent and restitute inflammation in the intestine. Our aim was to investigate whether Notch1–DCLK1 axis regulates the mucosal immune responses to infection and whether this is phenocopied in human models of colitis. In the FFPE (formalin-fixed paraffin-embedded) sections prepared from the colons of ulcerative colitis (UC) and immune-mediated colitis (IRAEC) patients, expression of DCLK1 isoforms correlated positively with Notch1 and negatively with a transcriptional repressor, FoxD3 (Forkhead Box D3). DCLK1 protein staining in these sections was predominantly sub-epithelial (stromal) wherein DCLK1 co-localized with NICD, CD68, CD11c, and neutrophil elastase (NE). NE also co-stained with Citrullinated-H3 indicating the presence of neutrophil extracellular traps. In human neutrophils, elevated levels of DCLK1-S, CXCL-10, Ly6G, MPO, NE, and Notch1/2 in LPS-treated cells were inhibited when LPS was added in conjunction with Notch blocker dibenzazepine (DBZ; LPS + DBZ group). In CR-infected Rag1 −/− mice, higher levels of DCLK1 in the colonic crypts were inhibited when mice received DBZ for 10 days coincident with significant dysbiosis, barrier disruption, and colitis. Concurrently, DCLK1 immunoreactivity shifted toward the stroma in CR + DBZ mice with predominance of DCLK1-S that coincided with higher Notch1 levels. Upon antibiotic treatment, partial restoration of crypt DCLK1, reduction in MPO activity, and increased survival followed. When intestinal epithelial cell-specific Dclk1-knockout (Dclk1 ΔIEC ) or Dclk1 ΔIEC ;Rag1 −/− double knockout (DKO) mice were infected with CR and given a single dose of DBZ, they developed barrier defect and severe colitis with higher levels of stromal DCLK1-S, Ly6G, NE, and Notch1. We therefore propose that, by regulating the mucosal immune responses, the Notch–DCLK1 axis may be integral to the development of murine or human colitis. Neoplasms. Tumors. Oncology. Including cancer and carcinogens Cytology Ishfaq Ahmed verfasserin aut Jason Stubbs verfasserin aut Jun Zhang verfasserin aut Thomas Attard verfasserin aut Seth Septer verfasserin aut Danny Welch verfasserin aut Shrikant Anant verfasserin aut Venkatesh Sampath verfasserin aut Shahid Umar verfasserin aut In Cell Death Discovery Nature Publishing Group, 2018 7(2021), 1, Seite 14 (DE-627)843856351 (DE-600)2842546-7 20587716 nnns volume:7 year:2021 number:1 pages:14 https://doi.org/10.1038/s41420-021-00526-9 kostenfrei https://doaj.org/article/d7436833a6ef4b55967dec6aa603e365 kostenfrei https://doi.org/10.1038/s41420-021-00526-9 kostenfrei https://doaj.org/toc/2058-7716 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 7 2021 1 14
spelling	10.1038/s41420-021-00526-9 doi (DE-627)DOAJ062717049 (DE-599)DOAJd7436833a6ef4b55967dec6aa603e365 DE-627 ger DE-627 rakwb eng RC254-282 QH573-671 Badal C. Roy verfasserin aut DCLK1 isoforms and aberrant Notch signaling in the regulation of human and murine colitis 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Alternative promoter usage generates long and short isoforms (DCLK1-L and DCLK1-S) of doublecortin-like kinase-1 (DCLK1). Tight control of Notch signaling is important to prevent and restitute inflammation in the intestine. Our aim was to investigate whether Notch1–DCLK1 axis regulates the mucosal immune responses to infection and whether this is phenocopied in human models of colitis. In the FFPE (formalin-fixed paraffin-embedded) sections prepared from the colons of ulcerative colitis (UC) and immune-mediated colitis (IRAEC) patients, expression of DCLK1 isoforms correlated positively with Notch1 and negatively with a transcriptional repressor, FoxD3 (Forkhead Box D3). DCLK1 protein staining in these sections was predominantly sub-epithelial (stromal) wherein DCLK1 co-localized with NICD, CD68, CD11c, and neutrophil elastase (NE). NE also co-stained with Citrullinated-H3 indicating the presence of neutrophil extracellular traps. In human neutrophils, elevated levels of DCLK1-S, CXCL-10, Ly6G, MPO, NE, and Notch1/2 in LPS-treated cells were inhibited when LPS was added in conjunction with Notch blocker dibenzazepine (DBZ; LPS + DBZ group). In CR-infected Rag1 −/− mice, higher levels of DCLK1 in the colonic crypts were inhibited when mice received DBZ for 10 days coincident with significant dysbiosis, barrier disruption, and colitis. Concurrently, DCLK1 immunoreactivity shifted toward the stroma in CR + DBZ mice with predominance of DCLK1-S that coincided with higher Notch1 levels. Upon antibiotic treatment, partial restoration of crypt DCLK1, reduction in MPO activity, and increased survival followed. When intestinal epithelial cell-specific Dclk1-knockout (Dclk1 ΔIEC ) or Dclk1 ΔIEC ;Rag1 −/− double knockout (DKO) mice were infected with CR and given a single dose of DBZ, they developed barrier defect and severe colitis with higher levels of stromal DCLK1-S, Ly6G, NE, and Notch1. We therefore propose that, by regulating the mucosal immune responses, the Notch–DCLK1 axis may be integral to the development of murine or human colitis. Neoplasms. Tumors. Oncology. Including cancer and carcinogens Cytology Ishfaq Ahmed verfasserin aut Jason Stubbs verfasserin aut Jun Zhang verfasserin aut Thomas Attard verfasserin aut Seth Septer verfasserin aut Danny Welch verfasserin aut Shrikant Anant verfasserin aut Venkatesh Sampath verfasserin aut Shahid Umar verfasserin aut In Cell Death Discovery Nature Publishing Group, 2018 7(2021), 1, Seite 14 (DE-627)843856351 (DE-600)2842546-7 20587716 nnns volume:7 year:2021 number:1 pages:14 https://doi.org/10.1038/s41420-021-00526-9 kostenfrei https://doaj.org/article/d7436833a6ef4b55967dec6aa603e365 kostenfrei https://doi.org/10.1038/s41420-021-00526-9 kostenfrei https://doaj.org/toc/2058-7716 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 7 2021 1 14
allfields_unstemmed	10.1038/s41420-021-00526-9 doi (DE-627)DOAJ062717049 (DE-599)DOAJd7436833a6ef4b55967dec6aa603e365 DE-627 ger DE-627 rakwb eng RC254-282 QH573-671 Badal C. Roy verfasserin aut DCLK1 isoforms and aberrant Notch signaling in the regulation of human and murine colitis 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Alternative promoter usage generates long and short isoforms (DCLK1-L and DCLK1-S) of doublecortin-like kinase-1 (DCLK1). Tight control of Notch signaling is important to prevent and restitute inflammation in the intestine. Our aim was to investigate whether Notch1–DCLK1 axis regulates the mucosal immune responses to infection and whether this is phenocopied in human models of colitis. In the FFPE (formalin-fixed paraffin-embedded) sections prepared from the colons of ulcerative colitis (UC) and immune-mediated colitis (IRAEC) patients, expression of DCLK1 isoforms correlated positively with Notch1 and negatively with a transcriptional repressor, FoxD3 (Forkhead Box D3). DCLK1 protein staining in these sections was predominantly sub-epithelial (stromal) wherein DCLK1 co-localized with NICD, CD68, CD11c, and neutrophil elastase (NE). NE also co-stained with Citrullinated-H3 indicating the presence of neutrophil extracellular traps. In human neutrophils, elevated levels of DCLK1-S, CXCL-10, Ly6G, MPO, NE, and Notch1/2 in LPS-treated cells were inhibited when LPS was added in conjunction with Notch blocker dibenzazepine (DBZ; LPS + DBZ group). In CR-infected Rag1 −/− mice, higher levels of DCLK1 in the colonic crypts were inhibited when mice received DBZ for 10 days coincident with significant dysbiosis, barrier disruption, and colitis. Concurrently, DCLK1 immunoreactivity shifted toward the stroma in CR + DBZ mice with predominance of DCLK1-S that coincided with higher Notch1 levels. Upon antibiotic treatment, partial restoration of crypt DCLK1, reduction in MPO activity, and increased survival followed. When intestinal epithelial cell-specific Dclk1-knockout (Dclk1 ΔIEC ) or Dclk1 ΔIEC ;Rag1 −/− double knockout (DKO) mice were infected with CR and given a single dose of DBZ, they developed barrier defect and severe colitis with higher levels of stromal DCLK1-S, Ly6G, NE, and Notch1. We therefore propose that, by regulating the mucosal immune responses, the Notch–DCLK1 axis may be integral to the development of murine or human colitis. Neoplasms. Tumors. Oncology. Including cancer and carcinogens Cytology Ishfaq Ahmed verfasserin aut Jason Stubbs verfasserin aut Jun Zhang verfasserin aut Thomas Attard verfasserin aut Seth Septer verfasserin aut Danny Welch verfasserin aut Shrikant Anant verfasserin aut Venkatesh Sampath verfasserin aut Shahid Umar verfasserin aut In Cell Death Discovery Nature Publishing Group, 2018 7(2021), 1, Seite 14 (DE-627)843856351 (DE-600)2842546-7 20587716 nnns volume:7 year:2021 number:1 pages:14 https://doi.org/10.1038/s41420-021-00526-9 kostenfrei https://doaj.org/article/d7436833a6ef4b55967dec6aa603e365 kostenfrei https://doi.org/10.1038/s41420-021-00526-9 kostenfrei https://doaj.org/toc/2058-7716 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 7 2021 1 14
allfieldsGer	10.1038/s41420-021-00526-9 doi (DE-627)DOAJ062717049 (DE-599)DOAJd7436833a6ef4b55967dec6aa603e365 DE-627 ger DE-627 rakwb eng RC254-282 QH573-671 Badal C. Roy verfasserin aut DCLK1 isoforms and aberrant Notch signaling in the regulation of human and murine colitis 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Alternative promoter usage generates long and short isoforms (DCLK1-L and DCLK1-S) of doublecortin-like kinase-1 (DCLK1). Tight control of Notch signaling is important to prevent and restitute inflammation in the intestine. Our aim was to investigate whether Notch1–DCLK1 axis regulates the mucosal immune responses to infection and whether this is phenocopied in human models of colitis. In the FFPE (formalin-fixed paraffin-embedded) sections prepared from the colons of ulcerative colitis (UC) and immune-mediated colitis (IRAEC) patients, expression of DCLK1 isoforms correlated positively with Notch1 and negatively with a transcriptional repressor, FoxD3 (Forkhead Box D3). DCLK1 protein staining in these sections was predominantly sub-epithelial (stromal) wherein DCLK1 co-localized with NICD, CD68, CD11c, and neutrophil elastase (NE). NE also co-stained with Citrullinated-H3 indicating the presence of neutrophil extracellular traps. In human neutrophils, elevated levels of DCLK1-S, CXCL-10, Ly6G, MPO, NE, and Notch1/2 in LPS-treated cells were inhibited when LPS was added in conjunction with Notch blocker dibenzazepine (DBZ; LPS + DBZ group). In CR-infected Rag1 −/− mice, higher levels of DCLK1 in the colonic crypts were inhibited when mice received DBZ for 10 days coincident with significant dysbiosis, barrier disruption, and colitis. Concurrently, DCLK1 immunoreactivity shifted toward the stroma in CR + DBZ mice with predominance of DCLK1-S that coincided with higher Notch1 levels. Upon antibiotic treatment, partial restoration of crypt DCLK1, reduction in MPO activity, and increased survival followed. When intestinal epithelial cell-specific Dclk1-knockout (Dclk1 ΔIEC ) or Dclk1 ΔIEC ;Rag1 −/− double knockout (DKO) mice were infected with CR and given a single dose of DBZ, they developed barrier defect and severe colitis with higher levels of stromal DCLK1-S, Ly6G, NE, and Notch1. We therefore propose that, by regulating the mucosal immune responses, the Notch–DCLK1 axis may be integral to the development of murine or human colitis. Neoplasms. Tumors. Oncology. Including cancer and carcinogens Cytology Ishfaq Ahmed verfasserin aut Jason Stubbs verfasserin aut Jun Zhang verfasserin aut Thomas Attard verfasserin aut Seth Septer verfasserin aut Danny Welch verfasserin aut Shrikant Anant verfasserin aut Venkatesh Sampath verfasserin aut Shahid Umar verfasserin aut In Cell Death Discovery Nature Publishing Group, 2018 7(2021), 1, Seite 14 (DE-627)843856351 (DE-600)2842546-7 20587716 nnns volume:7 year:2021 number:1 pages:14 https://doi.org/10.1038/s41420-021-00526-9 kostenfrei https://doaj.org/article/d7436833a6ef4b55967dec6aa603e365 kostenfrei https://doi.org/10.1038/s41420-021-00526-9 kostenfrei https://doaj.org/toc/2058-7716 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 7 2021 1 14
allfieldsSound	10.1038/s41420-021-00526-9 doi (DE-627)DOAJ062717049 (DE-599)DOAJd7436833a6ef4b55967dec6aa603e365 DE-627 ger DE-627 rakwb eng RC254-282 QH573-671 Badal C. Roy verfasserin aut DCLK1 isoforms and aberrant Notch signaling in the regulation of human and murine colitis 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Alternative promoter usage generates long and short isoforms (DCLK1-L and DCLK1-S) of doublecortin-like kinase-1 (DCLK1). Tight control of Notch signaling is important to prevent and restitute inflammation in the intestine. Our aim was to investigate whether Notch1–DCLK1 axis regulates the mucosal immune responses to infection and whether this is phenocopied in human models of colitis. In the FFPE (formalin-fixed paraffin-embedded) sections prepared from the colons of ulcerative colitis (UC) and immune-mediated colitis (IRAEC) patients, expression of DCLK1 isoforms correlated positively with Notch1 and negatively with a transcriptional repressor, FoxD3 (Forkhead Box D3). DCLK1 protein staining in these sections was predominantly sub-epithelial (stromal) wherein DCLK1 co-localized with NICD, CD68, CD11c, and neutrophil elastase (NE). NE also co-stained with Citrullinated-H3 indicating the presence of neutrophil extracellular traps. In human neutrophils, elevated levels of DCLK1-S, CXCL-10, Ly6G, MPO, NE, and Notch1/2 in LPS-treated cells were inhibited when LPS was added in conjunction with Notch blocker dibenzazepine (DBZ; LPS + DBZ group). In CR-infected Rag1 −/− mice, higher levels of DCLK1 in the colonic crypts were inhibited when mice received DBZ for 10 days coincident with significant dysbiosis, barrier disruption, and colitis. Concurrently, DCLK1 immunoreactivity shifted toward the stroma in CR + DBZ mice with predominance of DCLK1-S that coincided with higher Notch1 levels. Upon antibiotic treatment, partial restoration of crypt DCLK1, reduction in MPO activity, and increased survival followed. When intestinal epithelial cell-specific Dclk1-knockout (Dclk1 ΔIEC ) or Dclk1 ΔIEC ;Rag1 −/− double knockout (DKO) mice were infected with CR and given a single dose of DBZ, they developed barrier defect and severe colitis with higher levels of stromal DCLK1-S, Ly6G, NE, and Notch1. We therefore propose that, by regulating the mucosal immune responses, the Notch–DCLK1 axis may be integral to the development of murine or human colitis. Neoplasms. Tumors. Oncology. Including cancer and carcinogens Cytology Ishfaq Ahmed verfasserin aut Jason Stubbs verfasserin aut Jun Zhang verfasserin aut Thomas Attard verfasserin aut Seth Septer verfasserin aut Danny Welch verfasserin aut Shrikant Anant verfasserin aut Venkatesh Sampath verfasserin aut Shahid Umar verfasserin aut In Cell Death Discovery Nature Publishing Group, 2018 7(2021), 1, Seite 14 (DE-627)843856351 (DE-600)2842546-7 20587716 nnns volume:7 year:2021 number:1 pages:14 https://doi.org/10.1038/s41420-021-00526-9 kostenfrei https://doaj.org/article/d7436833a6ef4b55967dec6aa603e365 kostenfrei https://doi.org/10.1038/s41420-021-00526-9 kostenfrei https://doaj.org/toc/2058-7716 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 7 2021 1 14
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source	In Cell Death Discovery 7(2021), 1, Seite 14 volume:7 year:2021 number:1 pages:14
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authorswithroles_txt_mv	Badal C. Roy @@aut@@ Ishfaq Ahmed @@aut@@ Jason Stubbs @@aut@@ Jun Zhang @@aut@@ Thomas Attard @@aut@@ Seth Septer @@aut@@ Danny Welch @@aut@@ Shrikant Anant @@aut@@ Venkatesh Sampath @@aut@@ Shahid Umar @@aut@@
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topic_title	RC254-282 QH573-671 DCLK1 isoforms and aberrant Notch signaling in the regulation of human and murine colitis
topic	misc RC254-282 misc QH573-671 misc Neoplasms. Tumors. Oncology. Including cancer and carcinogens misc Cytology
topic_unstemmed	misc RC254-282 misc QH573-671 misc Neoplasms. Tumors. Oncology. Including cancer and carcinogens misc Cytology
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title	DCLK1 isoforms and aberrant Notch signaling in the regulation of human and murine colitis
ctrlnum	(DE-627)DOAJ062717049 (DE-599)DOAJd7436833a6ef4b55967dec6aa603e365
title_full	DCLK1 isoforms and aberrant Notch signaling in the regulation of human and murine colitis
author_sort	Badal C. Roy
journal	Cell Death Discovery
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author_browse	Badal C. Roy Ishfaq Ahmed Jason Stubbs Jun Zhang Thomas Attard Seth Septer Danny Welch Shrikant Anant Venkatesh Sampath Shahid Umar
container_volume	7
class	RC254-282 QH573-671
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author-letter	Badal C. Roy
doi_str_mv	10.1038/s41420-021-00526-9
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title_sort	dclk1 isoforms and aberrant notch signaling in the regulation of human and murine colitis
callnumber	RC254-282
title_auth	DCLK1 isoforms and aberrant Notch signaling in the regulation of human and murine colitis
abstract	Abstract Alternative promoter usage generates long and short isoforms (DCLK1-L and DCLK1-S) of doublecortin-like kinase-1 (DCLK1). Tight control of Notch signaling is important to prevent and restitute inflammation in the intestine. Our aim was to investigate whether Notch1–DCLK1 axis regulates the mucosal immune responses to infection and whether this is phenocopied in human models of colitis. In the FFPE (formalin-fixed paraffin-embedded) sections prepared from the colons of ulcerative colitis (UC) and immune-mediated colitis (IRAEC) patients, expression of DCLK1 isoforms correlated positively with Notch1 and negatively with a transcriptional repressor, FoxD3 (Forkhead Box D3). DCLK1 protein staining in these sections was predominantly sub-epithelial (stromal) wherein DCLK1 co-localized with NICD, CD68, CD11c, and neutrophil elastase (NE). NE also co-stained with Citrullinated-H3 indicating the presence of neutrophil extracellular traps. In human neutrophils, elevated levels of DCLK1-S, CXCL-10, Ly6G, MPO, NE, and Notch1/2 in LPS-treated cells were inhibited when LPS was added in conjunction with Notch blocker dibenzazepine (DBZ; LPS + DBZ group). In CR-infected Rag1 −/− mice, higher levels of DCLK1 in the colonic crypts were inhibited when mice received DBZ for 10 days coincident with significant dysbiosis, barrier disruption, and colitis. Concurrently, DCLK1 immunoreactivity shifted toward the stroma in CR + DBZ mice with predominance of DCLK1-S that coincided with higher Notch1 levels. Upon antibiotic treatment, partial restoration of crypt DCLK1, reduction in MPO activity, and increased survival followed. When intestinal epithelial cell-specific Dclk1-knockout (Dclk1 ΔIEC ) or Dclk1 ΔIEC ;Rag1 −/− double knockout (DKO) mice were infected with CR and given a single dose of DBZ, they developed barrier defect and severe colitis with higher levels of stromal DCLK1-S, Ly6G, NE, and Notch1. We therefore propose that, by regulating the mucosal immune responses, the Notch–DCLK1 axis may be integral to the development of murine or human colitis.
abstractGer	Abstract Alternative promoter usage generates long and short isoforms (DCLK1-L and DCLK1-S) of doublecortin-like kinase-1 (DCLK1). Tight control of Notch signaling is important to prevent and restitute inflammation in the intestine. Our aim was to investigate whether Notch1–DCLK1 axis regulates the mucosal immune responses to infection and whether this is phenocopied in human models of colitis. In the FFPE (formalin-fixed paraffin-embedded) sections prepared from the colons of ulcerative colitis (UC) and immune-mediated colitis (IRAEC) patients, expression of DCLK1 isoforms correlated positively with Notch1 and negatively with a transcriptional repressor, FoxD3 (Forkhead Box D3). DCLK1 protein staining in these sections was predominantly sub-epithelial (stromal) wherein DCLK1 co-localized with NICD, CD68, CD11c, and neutrophil elastase (NE). NE also co-stained with Citrullinated-H3 indicating the presence of neutrophil extracellular traps. In human neutrophils, elevated levels of DCLK1-S, CXCL-10, Ly6G, MPO, NE, and Notch1/2 in LPS-treated cells were inhibited when LPS was added in conjunction with Notch blocker dibenzazepine (DBZ; LPS + DBZ group). In CR-infected Rag1 −/− mice, higher levels of DCLK1 in the colonic crypts were inhibited when mice received DBZ for 10 days coincident with significant dysbiosis, barrier disruption, and colitis. Concurrently, DCLK1 immunoreactivity shifted toward the stroma in CR + DBZ mice with predominance of DCLK1-S that coincided with higher Notch1 levels. Upon antibiotic treatment, partial restoration of crypt DCLK1, reduction in MPO activity, and increased survival followed. When intestinal epithelial cell-specific Dclk1-knockout (Dclk1 ΔIEC ) or Dclk1 ΔIEC ;Rag1 −/− double knockout (DKO) mice were infected with CR and given a single dose of DBZ, they developed barrier defect and severe colitis with higher levels of stromal DCLK1-S, Ly6G, NE, and Notch1. We therefore propose that, by regulating the mucosal immune responses, the Notch–DCLK1 axis may be integral to the development of murine or human colitis.
abstract_unstemmed	Abstract Alternative promoter usage generates long and short isoforms (DCLK1-L and DCLK1-S) of doublecortin-like kinase-1 (DCLK1). Tight control of Notch signaling is important to prevent and restitute inflammation in the intestine. Our aim was to investigate whether Notch1–DCLK1 axis regulates the mucosal immune responses to infection and whether this is phenocopied in human models of colitis. In the FFPE (formalin-fixed paraffin-embedded) sections prepared from the colons of ulcerative colitis (UC) and immune-mediated colitis (IRAEC) patients, expression of DCLK1 isoforms correlated positively with Notch1 and negatively with a transcriptional repressor, FoxD3 (Forkhead Box D3). DCLK1 protein staining in these sections was predominantly sub-epithelial (stromal) wherein DCLK1 co-localized with NICD, CD68, CD11c, and neutrophil elastase (NE). NE also co-stained with Citrullinated-H3 indicating the presence of neutrophil extracellular traps. In human neutrophils, elevated levels of DCLK1-S, CXCL-10, Ly6G, MPO, NE, and Notch1/2 in LPS-treated cells were inhibited when LPS was added in conjunction with Notch blocker dibenzazepine (DBZ; LPS + DBZ group). In CR-infected Rag1 −/− mice, higher levels of DCLK1 in the colonic crypts were inhibited when mice received DBZ for 10 days coincident with significant dysbiosis, barrier disruption, and colitis. Concurrently, DCLK1 immunoreactivity shifted toward the stroma in CR + DBZ mice with predominance of DCLK1-S that coincided with higher Notch1 levels. Upon antibiotic treatment, partial restoration of crypt DCLK1, reduction in MPO activity, and increased survival followed. When intestinal epithelial cell-specific Dclk1-knockout (Dclk1 ΔIEC ) or Dclk1 ΔIEC ;Rag1 −/− double knockout (DKO) mice were infected with CR and given a single dose of DBZ, they developed barrier defect and severe colitis with higher levels of stromal DCLK1-S, Ly6G, NE, and Notch1. We therefore propose that, by regulating the mucosal immune responses, the Notch–DCLK1 axis may be integral to the development of murine or human colitis.
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title_short	DCLK1 isoforms and aberrant Notch signaling in the regulation of human and murine colitis
url	https://doi.org/10.1038/s41420-021-00526-9 https://doaj.org/article/d7436833a6ef4b55967dec6aa603e365 https://doaj.org/toc/2058-7716
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author2	Ishfaq Ahmed Jason Stubbs Jun Zhang Thomas Attard Seth Septer Danny Welch Shrikant Anant Venkatesh Sampath Shahid Umar
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