Dataset Information

Proteomic profiling of FAC-sorted ex vivo and in vitro expanded Sca-1+cells derived from murine skeletal muscle

ABSTRACT: Stem cells antigen-1 (Sca-1) is an 18-kDa mouse glycosyl phosphatidylinositol-anchored cell surface protein that has widely been used for isolation of murine hematopoietic stem cells (HSCs). However, recently several studies have reported the expression of this protein in non-HSCs such as the liver, skin and muscles among others. In the current study, we used fluorescence-activated cell sorting (FACS) technique to sort Sca-1+ stem cells from mouse hindlimb muscles. The Sca-1+ cells were divided into two sets first set of Sca-1+ cells were processed for protein extraction immediately after sorting (ex vivo set) while the second set of samples, referred to as in vitro set, were expanded in cell culture after sorting and harvested after two passage and then processed for protein extraction. A high-resolution proteome map of the ex vivo and in vitro sets was generated Orbitrap Fusion Tribrid Mass Spectrometer. In total, the analysis led to the identification of 5,581 protein groups.

INSTRUMENT(S): Orbitrap Fusion

ORGANISM(S): Mus Musculus (mouse)

TISSUE(S): Skeletal Muscle, Stem Cell

SUBMITTER: Saketh Kapoor

LAB HEAD: Dr Bipasha Bose

PROVIDER: PXD022247 | Pride | 2021-06-21

REPOSITORIES: Pride

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Publications

Sca1+ Progenitor Cells (Ex vivo) Exhibits Differential Proteomic Signatures From the Culture Adapted Sca1+ Cells (In vitro), Both Isolated From Murine Skeletal Muscle Tissue.

Kapoor Saketh S Subba Pratigya P Shenoy P Sudheer S Bose Bipasha B

Stem cell reviews and reports 20210319 5

Stem cell antigen-1 (Sca-1) is a glycosyl-phosphatidylinositol-anchored membrane protein that is expressed in a sub-population of muscle stem and progenitor cell types. Reportedly, Sca-1 regulates the myogenic property of myoblasts and Sca-1-/- mice exhibited defective muscle regeneration. Although the role of Sca-1 in muscle development and maintenance is well-acknowledged, molecular composition of muscle derived Sca-1+ cells is not characterized. Here, we applied a high-r ...[more]

PMID: 33742350

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Project description:We discovered that mice that lack Lsd1 in hematopoietic cells were exhibited increased frequencies of CD150+ CD48- lin- c-Kit+ Sca-1+ LT-HSCs, but completely lacked the lin- c-Kit+ Sca-1- myeloid progenitor compartment. To determine the genes altered by Lsd1-loss, CD150+ CD48- lin- c-Kit+ Sca-1+ LT-HSCs from Lsd1fl/fl and Lsd1fl/fl Mx1Cre mice were FACS-purified to be analyzed by gene expression profiling. Primary CD150+ CD48- lin- c-Kit+ Sca-1+ LT-HSCs were isolated by FACS-sorting, from the bone marrow of Lsd1fl/fl and Lsd1fl/fl Mx1Cre animals, one week after the final p(I:C) dose. Total RNA from three biological replicates per genotype was extracted with the RNeasy Micro Kit (QIAGEN), treated with DNaseI, reverse transcribed. RNA extracted from CD150+ CD48- lin- c-Kit+ Sca-1+ cells was amplified with the Ovation Pico WTA RNA Amplification System 2 (NuGEN Technologies). Single-stranded cDNA amplification products were purified using QIAquick PCR Purification Kit (QIAGEN) and labeled with the FL-Ovation cDNA Biotin Module V2 (NuGEN). The Biotin-labeled cDNA was used to hybridize to Affymetrix expression arrays using the Mouse Genome 430 2.0 array platform. Primary CD150+ CD48- lin- c-Kit+ Sca-1+ LT-HSCs were isolated by FACS-sorting, from the bone marrow of Lsd1fl/fl and Lsd1fl/fl Mx1Cre animals, one week after the final p(I:C) dose. Total RNA from three biological replicates per genotype was extracted with the RNeasy Micro Kit (QIAGEN), treated with DNaseI, reverse transcribed. RNA extracted from CD150+ CD48- lin- c-Kit+ Sca-1+ cells was amplified with the Ovation Pico WTA RNA Amplification System 2 (NuGEN Technologies). Single-stranded cDNA amplification products were purified using QIAquick PCR Purification Kit (QIAGEN) and labeled with the FL-Ovation cDNA Biotin Module V2 (NuGEN). The Biotin-labeled cDNA was used to hybridize to Affymetrix expression arrays using the Mouse Genome 430 2.0 array platform. Primary CD150+ CD48- lin- c-Kit+ Sca-1+ LT-HSCs were isolated by FACS-sorting, from the bone marrow of Lsd1fl/fl and Lsd1fl/fl Mx1Cre animals, one week after the final p(I:C) dose. Total RNA from three biological replicates per genotype was extracted with the RNeasy Micro Kit (QIAGEN), treated with DNaseI, reverse transcribed. RNA extracted from CD150+ CD48- lin- c-Kit+ Sca-1+ cells was amplified with the Ovation Pico WTA RNA Amplification System 2 (NuGEN Technologies). Single-stranded cDNA amplification products were purified using QIAquick PCR Purification Kit (QIAGEN) and labeled with the FL-Ovation cDNA Biotin Module V2 (NuGEN). The Biotin-labeled cDNA was used to hybridize to Affymetrix expression arrays using the Mouse Genome 430 2.0 array platform.

			Action	DRS
	Sca1_Pos_Exvivo.msf	Msf
	Sca1_Pos_Exvivo_F1_R1.raw	Raw
	Sca1_Pos_Exvivo_F1_R2.raw	Raw
	Sca1_Pos_Exvivo_F1_R3.raw	Raw
	Sca1_Pos_Exvivo_F2_R1.raw	Raw

Dataset Information

Proteomic profiling of FAC-sorted ex vivo and in vitro expanded Sca-1+cells derived from murine skeletal muscle

Dataset's files

Publications

Sca1<sup>+</sup> Progenitor Cells (Ex vivo) Exhibits Differential Proteomic Signatures From the Culture Adapted Sca1<sup>+</sup> Cells (In vitro), Both Isolated From Murine Skeletal Muscle Tissue.

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