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Distinct roles of keratinocyte- and myeloid- MCPIP1 in maintaining skin homeostasis

ABSTRACT: Distinct roles of keratinocyte- and myeloid- MCPIP1 in maintaining skin homeostasis

PROVIDER: PRJNA1066717 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR27694939.fastq.gz	Fastqsanger.gz
	SRR27694940.fastq.gz	Fastqsanger.gz
	SRR27694941.fastq.gz	Fastqsanger.gz
	SRR27694942.fastq.gz	Fastqsanger.gz
	SRR27694943.fastq.gz	Fastqsanger.gz

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Distinct roles of keratinocyte- and myeloid- MCPIP1 in maintaining skin homeostasis

Project description:The morphology of the skin changes upon depletion of MCPIP1 in cells of myeloid origin as well as in keratinocytes. The thicknesses of epidermal and hypodermal layers are significantly increased in mice with loss of epidermal MCPIP1, whereas loss of myeloid MCPIP1 exerts completely opposite effect. Both types of mice show contrary response to the stimulation with 12-O-tetradecanoylphorbol-13-acetate. Skin morphology and inflammatory phenotype of keratinocyte- and myeloid- double MCPIP1 knockout mice is similar to that of the single keratinocyte knockout of MCPIP1. In all, myeloid and epidermal MCPIP1 play significant but distinct roles in the modulation of skin-related processes.

2024-07-09 | GSE253656 | GEO

Regulation of miRNA biogenesis by MCPIP1

Project description:Effect of MCPIP1 knockdown on miRNA expression profile. HepG2 cells were transfected with control siRNA or siRNA against MCPIP1, and subjected to miRNA microarray analysis.

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MCPIP1 functions as a safeguard of early embryonic development

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Conditional keratinocyte-specific ADAM17 knockout in mice alters skin homeostasis

Project description:This study investigates the role of ADAM17 (a disintegrin and metalloproteinase 17) in skin homeostasis. Here, we show that mice lacking ADAM17 in keratinocytes have a normal epidermal barrier and skin architecture at birth, but develop pronounced defects in epidermal barrier integrity soon after birth and chronic dermatitis as adults. The dysregulated expression of epidermal differentiation proteins becomes evident 2 days after birth, followed by transepidermal water loss and inflammatory immune cell infiltration. Our results identify a previously unappreciated critical role of the ADAM17/EGFR signaling axis in maintaining the homeostasis of the postnatal epidermal barrier. The genome-wide effects of ADAM17 deficiency were analyzed using Agilent Whole Mouse Genome microarrays. Conditional keratinocyte-specific ADAM17 knockout mice were generated by crossing Adam17flox/flox mice with keratin-14-Cre (Krt14-Cre) transgenic mice. Adam17flox/+Krt14-Cre mice were mated with Adam17flox/flox mice to generate pups of Adam17flox/flox Krt14-Cre positive (cKO) and Krt14-Cre negative (wild-type) control littermates. The genetic background was a mix of 129Sv and C57BL/6. As material, back skin tissue biopsies (postnatal day 10) from n = 2 wild-type skin and n = 2 ADAM17 epidermal KO skin (matched WT-cKO pairs from two different litters) were used in this study.

2012-06-20 | E-GEOD-38830 | biostudies-arrayexpress

Vascular integrity is essential for maintaining tissue homeostasis

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Vascular integrity is essential for maintaining tissue homeostasis

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MCPIP1 controls effects of myeloid cells on skin carcinogenesis and hair growth

Project description:Depletion of Mcpip1 in the cells of myeloid origin modifies the sensitivity to the cutaneous chemical carcinogenesis. It attenuates epidermal proliferation and increases the susceptibility to the formation of melanocytic nevi. Thus, myeloid Mcpip1 is an important modulator in the course of skin carcinogenesis.

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Project description:Obesity is considered a serious chronic disease, which is associated with increased risk of developing cardiovascular diseases, non-alcoholic fatty liver disease and type 2 diabetes. Monocyte chemoattractant protein-1-induced protein-1 (MCPIP1), also called Regnase-1, is an RNase that decreases stability of transcripts coding for inflammation-related proteins. In addition, MCPIP1 plays an important role in the regulation of adipogenesis in vitro by reducing the expression of key transcription factors, including C/EBPβ and PPARγ, during adipocyte differentiation. Here we present RNA-Seq and proteomic analysis of 3T3-L1 adipocytes overexpressing wild-type MCPIP1 (WTMCPIP1) and mutant MCPIP1 (D141NMCPIP1) at day 2 and 4 of differentiation, respectively. RNA-Seq analysis followed by confirmatory Q-RT-PCR revealed that elevated MCPIP1 levels in 3T3-L1 adipocytes upregulated transcripts encoding proteins involved in signal transmission and cellular remodeling and downregulated transcripts of factors involved in metabolism. These data are consistent with our LC-MS/MS analysis, which showed that MCPIP1 expressing adipocytes exhibit upregulation of proteins involved in cellular organization and movement and decreased levels of proteins involved in lipid and carbohydrate metabolism. Moreover, MCPIP1 adipocytes are characterized by decreased Glut4 levels and impaired glucose uptake. Overall, our ﬁndings demonstrate that MCPIP1 is an important regulator of adipogenesis and adipocyte metabolism.

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