4.7 Review

Single-cell sequencing: New insights for intervertebral disc degeneration

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BIOMEDICINE & PHARMACOTHERAPY
卷 165, 期 -, 页码 -

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ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
DOI: 10.1016/j.biopha.2023.115224

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Single -cell sequencing; Intervertebral disc degeneration; Nucleus pulposus; Annulus fibrosus; Macrophages

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Over the past decade, single-cell RNA sequencing (scRNA-seq) has revolutionized the study of disease mechanisms. It has been used to identify unique cell types, characterize cellular heterogeneity, and detect transcriptional alterations or perturbed pathways under pathological conditions. In the context of intervertebral disc degeneration (IVDD), scRNA-seq has provided insights into the populations of specific cell types and their interactions, leading to progress in IVDD treatment and the discovery of novel therapeutic targets.
Over the past decade, single-cell RNA sequencing (scRNA-seq) has revolutionized research on biological mechanisms of diseases. Moreover, this technique has been utilized to identify and characterize unique cell types and subpopulations, thereby illuminating cellular heterogeneity. The true value of scRNA-seq lies in its ability to detect transcriptional alterations or perturbed pathways within specific cell types under pathological conditions. In the context of intervertebral disc degeneration (IVDD), the pathophysiological foundation is largely rooted in inflammation. The primary target cells of IVDD are nucleus pulposus cells, annulus fibrosus cells, cartilage endplate cells, and macrophages. The advancements in scRNA-seq technology have triggered remarkable progress in IVDD treatment, leading to breakthroughs in the identification of cell subsets, functional analysis, novel therapeutic targets, and the differentiation and development of various cell types. This review is the first of its kind to introduce the application of scRNA-seq techniques in IVDD, with a focus on the most recent scRNA-seq studies that have defined the populations of various cell types and specific cell-cell interactions in IVDD. Furthermore, we highlight several promising future research directions for scRNA-seq in IVDD.

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