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Tissue Spheroids as Building Blocks: A Scientometric Analysis
topic were identified. In the Overall Publications, Seeding, References
and Biofabrication categories, the Multidisciplinary
subject predominated. On the other hand, while in the 1. Costa EC, de Melo‐Diogo D, Moreira AF, et al., 2018,
Overall Publications and Seeding category the number Spheroids Formation on Non‐adhesive Surfaces by Liquid
of publications increased, in the Biofabrication category Overlay Technique: Considerations and Practical Approaches.
it remained steady. In terms of countries, the United Biotechnol J, 13:1700417.
States, China and Japan predominated. The most cited https://doi.org/10.1002/biot.201700417
publications overall belonged to the Seeding category. 2. Beachley V, Kasyanov V, Nagy-Mehesz A, et al., 2014.
Regarding journals in the Overall Publications and
Biofabrication categories, biofabrication was the top The Fusion of Tissue Spheroids Attached to Pre-stretched
journal, while in the Seeding category there were six Electrospun Polyurethane Scaffolds. J Tissue Eng, 5:1-11.
most prolific journals. Insights obtained also show that https://doi.org/10.1177/2041731414556561
in the overall publications and seeding categories, the 3. Kelm JM, Lorber V, Snedeker JG, et al., 2010, A Novel
University of Tokyo ranked top considering number Concept for Scaffold-free Vessel Tissue Engineering: Self-
of publications in the field, while in the Biofabrication assembly of Microtissue Building Blocks. J Biotechnol,
category, the seven most prolific institutions were
identified predominantly from China. 148:46–55.
Insights obtained may add value for stakeholders in https://doi.org/10.1016/j.jbiotec.2010.03.002
academia, industry, and the government, who are interested 4. Ong CS, Nam L, Ong K, et al., 2018, 3D and 4D Bioprinting
in the incorporation of innovative health technologies in of the Myocardium: Current Approaches, Challenges, and
the decision-making process, by enabling them to keep Future Prospects. Biomed Res Int, 2018:6497242.
abreast of current global trends. In addition, these results https://doi.org/10.1155/2018/6497242
may be applied as a tool to address research efforts in 5. Hospodiuk M, Dey M, Sosnoski D, et al., 2017, The Bioink:
the tissue engineering and regenerative medicine fields to
create novel technologies that improve the current health A Comprehensive Review on Bioprintable Materials.
industry. Biotechnol Adv, 35:217–39.
https://doi.org/10.1016/j.biotechadv.2016.12.006
Acknowledgments 6. Donderwinkel I, Hest JC, Cameron NR, 2017, Bio-inks for
This research was supported by Tecnológico de 3D Bioprinting: Recent Advances and Future Prospects.
Monterrey, and by the Consejo Nacional de Ciencia y Polym Chem, 8:4451–71.
Tecnología through the National Research System and https://doi.org/10.1039/c7py00826k
the Graduate Studies scholarship programme. 7. Groll J, Boland T, Blunk T, et al., 2016, Biofabrication:
Funding Reappraising the Definition of an Evolving Field.
Biofabrication, 8:013001.
This research was supported by Tecnológico de Monterrey https://doi.org/10.1088/1758-5090/8/1/013001
and Consejo Nacional de Ciencia y Tecnología through
the National Research System and the Graduate Studies 8. Guillemot F, Mironov V, Nakamura M, 2010, Bioprinting is
scholarship program. Coming of Age: Report from the International Conference
on Bioprinting and Biofabrication in Bordeaux (3B’09).
Conflict of interest Biofabrication, 2:010201.

The authors declare no conflicts of interest. https://doi.org/10.1088/1758-5082/2/1/010201
9. Liaw CY, Guvendiren M, 2017, Current and Emerging
Author contributions Applications of 3D Printing in Medicine. Biofabrication,

M.R-S. conceived the idea and contributed to the 9:024102.
paper by guiding its organization, content, and further https://doi.org/10.1088/1758-5090/aa7279
corrections according to the reviewers. I.F-M developed 10. Blakely AM, Manning KL, Tripathi A, et al., 2015, Bio-pick,
the data gathering, the Scientometric analysis, and Place, and Perfuse: A New Instrument for Three-dimensional
drafted the manuscript by adjusting the first approach,
complementing it and presenting the analytics before and Tissue Engineering. Tissue Eng Part C Methods, 21:737–46.
after reviewers evaluation. B. E. P-B developed the first https://doi.org/10.1089/ten.tec.2014.0439
manuscript general approach. J.R. L-R presented the first 11. Cui FR, Ip BC, Morgan JR, et al., 2018, Hydrodynamics of
theoretical part. the Bio-Gripper: A Fluid-driven “Claw Machine” for Soft

202 International Journal of Bioprinting (2022)–Volume 8, Issue 3