Journal of Cell Science and Mutations

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Rapid Communication - Journal of Cell Science and Mutations (2023) Volume 7, Issue 1

Culture and differentiation of neural progenitor cells derived from human induced pluripotent stem cells

Pawita Ohkubo*

Department of Neurosurgery, National Hospital Organization Osaka National Hospital, Osaka Japan

*Corresponding Author:
Pawita Ohkubo
Department of Neurosurgery
National Hospital Organization Osaka National Hospital
Osaka Japan

Received: 25-Dec-2022, Manuscript No. AAACSM-23-87337; Editor assigned: 27-Dec-2022, PreQC No. AAACSM-23-87337(PQ); Reviewed: 10-Jan-2023, QC No. AAACSM-23-87337; Revised: 15-Jan-2023, Manuscript No. AAACSM-23-87337(R); Published: 22-Jan-2023, DOI:10.35841/AAACSM-7.1.131

Citation: Ohkubo P. Culture and differentiation of neural progenitor cells derived from human induced pluripotent stem cells. J Cell Sci Mut.2023;7(1):131

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The human central nervous system (CNS) comprises of a complex cellular arrange in which the microenvironment, like spatiotemporal presentation to signaling particles and cell-cell and cell-matrix intuitive, plays a significant part for its appropriate improvement and work. Given that such intelligent are to a great extent truant in 2D cell societies, the visit disappointment in interpreting in vitro discoveries into in vivo applications is unavoidable. The era of steady and prescient neural cell culture models are central for numerous areas managing with, for case, toxicological assessment, illness modeling, medicate advancement, and regenerative medication. In this manner, there's a require for more modern models that superior mirror the physiology of the human brain.

Significant endeavors have been made to include the third measurement to standard 2D cell societies. Beginning from the starting of this century, a few approaches for the era of 3D neural models such as neurospheres and hydrogel platforms were created. Basically, 3D structure can be accomplished by tackling the self-organization properties of cells, for illustration, to drive the arrangement of neurospheres, or by giving back and structure for cells with hydrogel frameworks in an engineering-based way [1]. Neurospheres are cell totals that comprise of neural begetter cells (NPCs) and are developed within the nearness of development variables. In the absence of growth factors and when seeded on 2D poly-D-lysin/laminin (PDL/LAM)-coated surfaces, NPC neurospheres move and separate into neurons, astrocytes, and oligodendrocytes, in this manner creating complex systems. The measurement of such neurospheres when plated for movement and separation is called “secondary 3D.” NPCs created from actuated pluripotent stem cells (iPSCs), iNPCs, have been already utilized in neurotoxicity testing and modeling of Alzheimer's and Parkinson's infection. These auxiliary 3D models were created to move forward the classical 2D-monolayer neuronal societies. Be that as it may, plated neurospheres don't shape a 3D arrange on 2D substrates. Designed 3D biomaterial models such as hydrogel platforms complement the existing cell models by giving an versatile, controlled, and reliable extracellular environment. 3D models increase the complexity of customary cell societies, hence rendering them more prescient and physiologically pertinent [2]. In any case, changeability and reproducibility in these frameworks are still challenging, frequently due to the nature of the materials. Batch-to-batch varieties in, for case, matrigel or constrained cell-material interaction in engineered gels play vital parts.

The intrigued in hydrogels has expanded generally since their revelation in 1960. These 3D networks comprise of hydrophilic polymers that hold huge amounts of water. Due to this tall water-content (>90%), these gels can show tissuelike properties. Hydrogels keep up their structure by chemical, physical, or biochemical crosslinking of the polymer chains. In a perfect world, extra-cellular network (ECM)-mimicking hydrogels ought to back cell survival, development, separation, cell-cell, and cell-matrix grip, as well as encourage legitimate supplement flux. In arrange to permit cellular outgrowth, a certain degree of hydrogel-degradation is alluring. The fabric solidness moreover plays an vital part for the era of neural models. With a Young's versatile modulus of 0.5 to 50 kPa, the brain is one of the mildest tissues within the human body. As an illustration, normal polymers such as alginate (ALG) and gellan gum (GG) are intrinsically appropriate surrogates for ECM, due to their tall water substance and tunable solidness, as well as their chemical flexibility and biocompatibility.

ALG may be a seaweed-derived marine polysaccharide and one of the foremost commonly utilized biomaterials for hydrogel arrangement. It can be effortlessly gelatinized with divalent cations and is exceedingly biocompatible. It is composed of D mannuronic corrosive (M) and L guluronic corrosive (G) monosaccharide units and shapes hydrogels through crosslinking of the G buildups with divalent cations. GG could be a normal extracellular polysaccharide delivered by the bacterium Sphingomonas paucimobilis, which shapes a gel after crosslinking of its twofold helices with divalent cations such as Ca2+ or Mg2+.Although numerous adjustments and mixes have been created from ALG and GG no ALG/GG mix has however been utilized for the advancement of 3D neural models. Since ALG and GG gels are organically inactive, they are regularly functionalized with local ECM atoms, such as LAM, collagen, or fibronectin. LAM has already been utilized to bolster cell survival, arrange arrangement, and utilitarian improvement of neural societies in vitro. Besides, it was detailed that ALG-based hydrogels can imitate the complex mechanical properties of brain tissue [3,4].

The engineering of physiologically pertinent structures and the summarization of spatiotemporal accessibility of signaling particles in neural models is profoundly challenging. 3D bioprinting offers a promising apparatus for the era of such show frameworks. Cell-supplemented biocompatible materials are printed with micrometric accuracy and may indeed combine a few cell sorts, in this way producing complex cellular systems. The printing handle depends on three fundamental factors: 1) the fabric (biomaterial ink), 2) the cells and 3) biomechanical variables. Due to their exceedingly tunable rheological properties, hydrogels are reasonable for bioprinting applications. In any case, neural cells require delicate materials and are touchy to shear stretch, which as it were grants hydrogels with exceptionally particular properties. Bioinks based on ALG or GG, however not in combination, have already been utilized to create bioprinted and non-bioprinted 3D neural models. Combining reasonable gel properties for satisfactory cell-culture improvement and usefulness, with printability and long-term astuteness of the hydrogels remains a challenge. In spite of the fact that both ALG and GG are promising candidates for the era of 3D neural societies, they each need alluring properties [5]. Whereas GG isn't surface disciple, ALG distorts seriously upon crosslinking. In any case, ALG shows up surface disciple and is steady over long periods of time, which is imperative for long-term development. The GG is printable in moo concentrations and its delicateness shows up favorable for neural societies. To date, there's no gold standard for the era of hydrogel-based 3D neural cultures and the total potential of such frameworks has however to be abused.


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