Stem Cells: A Very Short Introduction

Citation

Slack, J. (2021). Stem Cells: A Very Short Introduction (2nd ed.). Oxford University Press.

Chapter Summary

The second edition is a pocket-sized book of about 160 pages in Oxford's Very Short Introductions series, with a preface, seven chapters, a glossary, further reading and an index. The author is a developmental and stem cell biologist, emeritus professor at the Universities of Bath and Minnesota and director of the University of Minnesota's Stem Cell Institute from 2007 to 2013; his other books include Essential Developmental Biology and The Science of Stem Cells. The publisher frames the book around a tension: scientific understanding has advanced, but clinical applications are still in their infancy, most real stem cell therapy today is some form of bone marrow transplantation, and private clinics sell unproven treatments that are at best ineffective and at worst harmful.

The chapters follow a clear plan. After a general chapter, the book treats pluripotent stem cells (two chapters on the cells, one on therapy) and then tissue-specific stem cells (one chapter on the cells, one on therapy), and ends with what can and cannot be expected. The first edition (2012) had the same seven-chapter plan; in the second edition the chapter titles are reworded, and the pluripotent therapy chapter, once "Potential therapies using pluripotent stem cells", is now simply "Therapy using pluripotent stem cells".

Chapter 1: What Are Stem Cells?

The orienting chapter. The publisher's summary says the book explains the nature of stem cells and what scientists do with them, and this chapter introduces the concept and the different kinds of stem cell that the rest of the book separates.

Chapters 2–3: Embryonic Stem Cells; Personalised Pluripotent Stem Cells

The two kinds of pluripotent cell: those derived from embryos, and "personalised" pluripotent stem cells, which, as the title indicates, are matched to an individual patient rather than taken from an embryo. Splitting them into separate chapters lets the book treat their origins, and the issues each raises, on their own terms.

Chapter 4: Therapy Using Pluripotent Stem Cells

Treatments built on cells derived from pluripotent stem cells. The publisher's description lists the diseases the book discusses as targets for stem cell therapy: retinal degeneration, diabetes, Parkinson's disease, heart disease and spinal trauma.

Chapters 5–6: Tissue-Specific Stem Cells; Therapy Using Tissue-Specific Stem Cells

The stem cells that maintain adult tissues, and the therapies based on them. According to the publisher, this is where bone marrow transplantation, described as the main stem cell therapy actually in use, is discussed, together with other current therapies for blindness and severe burns.

Chapter 7: Expectations: Realistic and Unrealistic

The concluding chapter. The publisher says the book warns against fake stem cell treatments, explains how to distinguish real therapies from fake ones, and looks ahead to likely developments over the next few years.

Key Concepts

Chapter 1: What Are Stem Cells?

• Stem cell: the general concept the book defines before dividing stem cells into kinds.

Chapters 2–4: Pluripotent stem cells

• Embryonic stem cells: pluripotent cells derived from early embryos.
• Personalised pluripotent stem cells: pluripotent cells matched to an individual rather than derived from an embryo.
• Pluripotent cell therapy: treatment with cells derived from pluripotent stem cells, discussed for conditions such as retinal degeneration, diabetes and Parkinson's disease.

Chapters 5–6: Tissue-specific stem cells

• Tissue-specific stem cells: the stem cells of particular adult tissues.
• Bone marrow transplantation: the established stem cell therapy and the benchmark for newer ones.

Chapter 7: Expectations

• Unproven stem cell clinics: private providers selling treatments without adequate scientific evidence, and how to tell them from genuine therapies.

Critical Analysis

Strengths

• Written by a specialist. The author combines developmental biology with experience directing a university stem cell institute, and the series is designed to give an expert's account in a short space.
• A clear, symmetrical structure. Cells first, therapy second, for each of the two main kinds of stem cell, makes it easy to keep the biology separate from the clinical claims and to see which therapies rest on which kind of cell.
• Realism about the clinic. The book's stated emphasis is on what works now (above all bone marrow transplantation), what is still experimental, and how to spot unproven treatments. This makes it a useful corrective to over-optimistic accounts of regenerative medicine.
• Updated edition. The second edition revises the 2012 text, and the publisher says it covers the latest scientific progress and the expected developments of the following years.

Limitations

• Short and non-technical. At about 160 pages for a general readership, the book introduces concepts rather than the experimental and engineering detail a tissue engineering course needs. Scaffolds, biomaterials and bioreactors do not appear in its chapter titles.
• Time-sensitive. Clinical stem cell research moves quickly; the book's forward look dates from 2021, so its predictions should be checked against current trial results.
• Limited review evidence. Apart from a review in Teaching Philosophy (2022), no published assessments of this edition were found.

Where It Fits in the Course

In this course, Slack's book supplies the biology of the cells, while the other books are about engineering tissues from them. Ravi Birla's Introduction to Tissue Engineering is the engineering-oriented first textbook: its Chapter 2 covers cells for tissue engineering, including embryonic, induced pluripotent and adult stem cells, in a few sections. Reading Slack before or alongside that chapter gives the fuller biological and clinical picture, and Slack's Chapter 7 is a useful counterweight to the optimism of any field's own textbooks.

Van Blitterswijk and De Boer's Tissue Engineering is an edited, multi-author course textbook whose first part covers stem cells and cell signalling in more depth before turning to biomaterials, scaffolds and bioreactors; Lanza and colleagues' Principles of Tissue Engineering is a large reference work. Ioannis Yannas's Tissue and Organ Regeneration in Adults approaches regeneration from the scaffold side, arguing from skin and nerve that suitable templates can induce regeneration; reading it after Slack shows two different routes, cell-based and scaffold-based, to the same clinical goal.

How to Use This Book

The book is for students about to start a tissue engineering or regenerative medicine module, engineering students who need to know where the cells in their constructs come from, and general readers judging news stories or clinic advertisements. School biology is enough.

A practical plan:

• Read it whole. At about 160 pages it can be read in two or three sittings, and the chapters build on each other, so reading in order is best.
• Core for a tissue engineering course: Chapters 1–3 and 5, the biology of the different stem cells. Use the glossary for terms and return to these chapters when Birla's Chapter 2 or the stem cell chapters of van Blitterswijk and De Boer become technical.
• Therapy chapters: Chapters 4 and 6 show how far each kind of stem cell has actually reached the clinic. For each disease mentioned, make a short note of the cell type proposed, the stage reached, and the main obstacle, then compare with recent trial reports.
• Chapter 7 makes a good basis for a seminar on evaluating claims: apply its criteria to a current advertisement or news story about a stem cell treatment.

Use the further reading list to go beyond the book, and check any clinical claims against more recent sources, since the field has moved since 2021.