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Most Helpful Customer Reviews
41 of 44 people found the following review helpful:
5.0 out of 5 stars
Revolutionary and courageous,
By Stuart R. Hameroff (Tucson, AZ USA) - See all my reviews
This review is from: Cells, Gels and the Engines of Life (Hardcover)
This book is heretical and courageous, and - if it can escape burning - may become a seminal landmark in our understanding of living systems. Based to a large extent on the pioneering (and often unfairly derided) work of Gilbert Ling, the book focuses on the importance of the gel-like nature of living cytoplasm - the interior of living cells - at the expense of the vaunted cell membrane. It turns out that cells can do fairly well without intact cell membranes because many functions attributed to the membrane are actually accomplished by gel properties of sub-membrane cytoskeleton of actin, microtubules and other protein structures. Pollack provides evidence that patch clamp techniques, which claim to study isolated membranes (and have provided much of the "evidence" for membrane ion channel and ion pumping mechanisms) include sub-membrane actin cytoskeleton which, according to Pollack, is actually regulating ionic fluxes and concentrations.The book describes how cytoplasmic gels manifest collective phase transitions such as polymerization of actin proteins with accompanying ordering of cell water and exclusion of large cations. According to Pollack, these collective phase transitions can explain not only ionic fluxes, but also voltage gradients, propagating action potentials, mitosis, muscle contraction and cell movement. Ion channels and pumps are not mythical, but overstated. Pollack traces the roots of (in his view) the "membrane-centric" misconceptions and his proposed revolution is believable. Our cells are not bags of liquid governed by membrane activities, but protein matrix-based gels covered by a thin semi-permeable membrane "skin". The cytoplasm is intrinsically reactive and able to maintain cell homeostasis and functions. The cytoplasmic gel best captures the essence of the living state. Molecular biologists, biochemists, membrane physiologists and others will no doubt gnash their teeth over this book, and many will dismiss it out of hand, citing ever-expanding knowledge in their respective fields. However ultrareductionist "bind and grind" techniques quite often fail to see the forest for the trees. Pollack encourages readers to compare his ideas to conventional approaches as espoused in mainstream textbooks. Any objective biologist should do so. The book is easy to read, clear and understandable, and well illustrated with simple diagrams. Those willing to curb their dogma will find it stimulating and delightful.
23 of 25 people found the following review helpful:
5.0 out of 5 stars
Changed My View of Science,
By Jacob Hantla "hantla.com" (Chandler, AZ United States) - See all my reviews (TOP 1000 REVIEWER) (REAL NAME)
Amazon Verified Purchase(What's this?)
This review is from: Cells, Gels and the Engines of Life (Paperback)
During my senior year of bioengineering at ASU, one of my instructors recommended that I read this book. I went on Amazon and purchased a copy. Tragically, I let it sit on my shelf for almost six months without reading it. About a year ago, I picked it up and read it, expecting it to be a labor-intensive read. It was not. Instead, in very simple terms and using simple yet convincing examples, Pollack managed to challenge everything I ever learned in school in two days (It only took two days because I found myself reading this book every chance I got; I coult not put it down).Challenging even many of the basic tenets of cellular biology-- from even the existance of selective ion channels in the fluid mosaic model of the cell wall to blowing the lid off of what every student is taught in school about the way muscle cells contract--Pollack writes a book that has been and will continue to be challenging, because it challenges the premises of the life-long work of many scientists. While I'm sure that some of his critiques of the beliefs of the faith of cellular biology today will prove to be wrong, Pollack is not afraid of the challenge or the community backlash against him. I applaud the work. I recommend it as required reading for just about everybody: the writing style makes it accessible for even high school students, but it is not too plebian to challenge even a professor or researcher in the area.
12 of 12 people found the following review helpful:
5.0 out of 5 stars
A fresh new look into cell function,
By
This review is from: Cells, Gels and the Engines of Life (Hardcover)
This great book fundamentally changed the way I think about cells. It is not one of your typical cell biology textbooks that only show you the a priori views about cells, leaving out the findings not fitting their overall picture. This book takes you from the very basic laws of physics and chemistry and explains the common cell functions step by step. On the way, it challenges many dogmatic views about cells and introduces very logical and simple new mechanisms. It has a great narrative, which makes you think and speculate, almost like a good mystery novel. I strongly recommend this book to any open-minded science-lover with an interest in cell biology.
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