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Horizon Discovery: Mitigating risks and developing the U.S. business

Tasks ahead for Eric Rhodes, the new CTO

(C) Horizon Discovery 201225-01-2012. Eric T. Rhodes has been appointed CTO of Horizon Discovery. His task is to mitigate major risks for the company’s business, in particular in the US which is the most mature market for the company’s products. B2Bioworld took a closer look at the strategy the new CTO has to implement.

 

 

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Stem Cell Insights Collection 2010

Issues and Evaluation from Pharma Leaders

 



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Dangerous Starting Signal for Intestinal Stem Cells

Drosophila gutJanuary 13, 2011. The mucosal lining of the intestine is renewed every two to five days. In this process, stem cells in the intestine replace cells of the gut epithelium which have been lost due to injury or normal wear and tear by new cells. Scientists of the German Cancer Research Center (Deutsches Krebsforschungszentrum, DKFZ) and Heidelberg University have now discovered, jointly with colleagues of the Fred Hutchinson Cancer Research Center in Seattle, that the cellular EGFR signaling pathway plays an important role in this process: It stimulates stem cells to divide so that their daughter cells replace the damaged intestinal epithelium. This signaling pathway may also be involved in the onset of human intestinal cancer.

“For the intestinal epithelium to be able to renew itself dynamically, the stem cells of the intestine need to respond to the needs of the intestinal tissue,” says Professor Bruce Edgar, who has a bridging professorship within the alliance of DKFZ and the Center for Molecular Biology (ZMBH) of Heidelberg University. “They may divide and produce new intestinal cells only to the extent in which cells of the intestinal epithelium are dying. But how the stem cells are activated has been largely unknown so far.” The investigators have used the fruit fly Drosophila for their experiments. This insect regularly renews its intestinal epithelium with the aid of stem cells, just like man. The researchers used genetic methods to induce death of cells of the intestinal lining or fed the toxic bacterium Pseudomonas entomophila to the animals. In this way, they specifically induced self-renewal of the intestinal epithelium. The gut lining cells under attack produced an increased amount of mediator substances which activate the epidermal growth factor receptor, or EGFR for short. There was a parallel increase in the activity of the cellular EGFR signaling pathway in the intestinal stem cells. Further experiments showed that the EGFR signaling pathway activates the stem cells using the mediators Ras, RAF und MAPK. These molecules cause the stem cells to divide and to renew the damaged intestine. “Our results show that the EGFR/Ras/MAPK signaling pathway plays a key role in the renewal and regeneration of the intestine,” summarizes Bruce Edgar. However, this signaling pathway may also be involved in intestinal cancer. “There is mounting evidence suggesting that the signaling pathway is also activated when intestinal polyps arise,” Edgar added. Such polyps tend to turn into malignant intestinal cancer. “In intestinal cancer cells, the two signaling molecules Ras and BRAF, which are also part of the EGFR signaling pathway, are often hyperactive. However, the exact function of the EGFR signaling pathway in the onset of cancer is not yet understood,” emphasized Edgar. But there already are drugs, so-called antibodies, which are directed against EGFR and which are used, with good results, for treating intestinal cancer.

In a next step, the investigators are now planning to uncover how the EGFR signaling pathway is switched on in stem cells, in order to understand exactly what it is that causes stem cells to replace lost tissue. Biologist and cancer researcher Bruce Edgar has recently been awarded a European Research Council Advanced Grant of 2.6 million euros for his work.

Press Release DKFZ

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Doing our business a little bit differently than the others in industry
- Dr Mads Krogsgaard-Thomsen, CSO Novo Nordisk, on approaches to stem cells

 

or read  


B2Bioworld's Exclusive Stem Cell Insights 2010


Bayer AG: New Stakes in Stem Cells

Prof. Andreas Busch, Member of the Bayer HealthCare Executive Committee, responsible for Global Drug Discovery

Prof. Andreas BuschJanuary 2011. An unmasked account of decisions about investing into cancer stem cell research and the fate of regenerative medicine projects in Japan. Dr Busch summarises results and evaluates technology platforms like novel antibodies and wnt mechanisms. He voices his expectations from current key drug development partnerships, in particular with Oncomed and Micromet. Will these include companion diagnostics? To what extent does Bayer retain respective intellectual property rights? A comment on personalised medicine and cancer stem cells research pursued by Merck KGaA and others. What are prospects for classic oncology drugs?

 

 

 

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B2Bioworld Stem Cell Insights Collection 2010:

Issues and Evaluation from Pharma Leaders

 

Dr Patrick Vallance, GSK:

Stem Cell Research Now and in the Future

 

No Mercy with Violators of Corporate Compliance

Dr Rüdiger Scheitza, Member of the Board Bayer CropScience, and Labour Director

 



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STEMCELL Technologies: Licensing Agreement Virus-Free Technology for Reprogramming Cells

June 14, 2010. STEMCELL Technologies Inc announced today that they have signed a licensing agreement with Stanford University for a virus-free technique used for the generation of induced pluripotent stem cells.   This technology will soon be commercially released by STEMCELL Technologies as STEMcircles™.

STEMcircles™ is a new and simple technology, published in Nature Methods (Jia F et al, 2010) that involves introducing reprogramming factors to cells using tiny circles of DNA.  Unlike other techniques, this method, which is based on standard molecular biology practices, does not use viruses to introduce genes into the cells.  Instead these DNA minicircles do not integrate into the genome and are naturally lost as the cells divide, overcoming some the safety concerns associated with current reprogramming methods. 

“The addition of non-viral, non-integrating STEMcircle™ reprogramming vectors  to our current product offering is an exciting new opportunity for STEMCELL Technologies as a leading provider of standardized, innovative and high quality tools for pluripotent stem cells”, commented Dr. Clive Glover, Product Management Manager at STEMCELL Technologies.

The STEMcircles™ technology works so well because the vector contains the minimal DNA sequences necessary for reprogramming.   Unlike the larger, more commonly used DNA plasmids, the minicircles contain no bacterial plasmid backbone DNA and as such are able to evade silencing mechanisms that cells naturally use against foreign DNA.  The result is more robust gene expression, and superior reprogramming over that of regular DNA plasmids.

Source: STEMCELL Technologies

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Disclaimer: You agree that B2Bioworld is not responsible and will not be held liable for any third party content on its sites or any third-party content, products or services available on other web sites accessed through links from B2Bioworld sites. Links to third-party sites are for your convenience only, and their inclusion on B2Bioworld's sites does not imply any endorsement, guarantee, warranty or representation by B2Bioworld.

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Prof. Kurt Stoeckli, Global Head of Biological Sciences / Discovery Sanofi Aventis and Scientific Director of the research site at Vitry-Alfortville

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Dr. Mads Krogsgaard Thomsen, Executive Vice President and Chief Science Officer of Novo Nordisk

Pfizer Regenerative Medicine: “It really started last year…”

Dr Ruth McKernan, global CSO Pfizer Regenerative Medicine

P.Vallance, GSK: Stem Cell Research Now and in the Future

(C) Dr Patrick Vallance 2008November 2009. “Stem cells provide novel opportunities that didn't previously exist” says Dr Patrick Vallance, Head of GlaxoSmithKline’s Drug Discovery in an interview with B2Bioworld. He describes his company’s approach. What is the role of cancer stem cells? What about novel drugs like lapatinib or trastuzumab? Which collaborations are desirable? The report includes stem cell issues yet unattended by pharma.



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exclusive interview 3 pages

M.Mehtali, VIVALIS: Stem Cells and Vaccines

Dr. Majid Mehtali (C) Wolf G Kroner 2009November 2009. Dr. Majid Mehtali, CSO of Vivalis gives a personal perspective on demand for stem cell application, outlines Vivalis’ expansion strategies and answers questions on financing and cash burn. Includes overview on licencing agrrements since 2002.



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enquiry/licences info,3 pages

Drug Testing with Embryonic Stem Cells

– Towards Standards For Assays

(C) David C Hay 2009As stem cell derived models of human liver biology move closer to diagnostic implementation there is an imperative for model standardization. Fresh experimental data is provided.

 

 

 

 

 

Reference
Hay DC (2009): Drug Testing with Embryonic Stem Cells – Towards Standards For Assays. published online September 12, B2Bioworld.com.



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Methods, reviewed, 3 pages

Clear away complete confusion of terms - The case of stem cell research

Dr Bernhard Kirschbaum (C) Wolf G Kroner 2009 February 2009. While many ethical questions surrounding the use of stem cells have been satisfactorily answered, a number of unresolved methodological and technical issues hamper applications in the pharmacceutical industry. Where are the stumbling blocks of today? What is Merck’s and Merck Serono’s approach, and with what prospects?

 

 

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or access the complete Stem Cell Insights Collection



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exclusive interview, 2 pages

Stem Cells: a discovery tool and a potential therapeutic modality

Dr Jonathan KnowlesSeptember 2009. What are the needs for stem cell technologies in the pharmaceutical industry? What are the major challenges, and how can you ensure a close fit with external collaborators, like I-STEM? An interview with Dr Jonathan Knowles, Member of the Roche Executive Committee and Head of Group Research.

 

 

 

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Pharma Getting Down to Business with Stem Cells

Editorial by Wolf G Kroner

Winds of change are blowing through the corridors of many pharma companies as executives develop more concrete ideas to optimise stem cell technologies in terms of efficiency and responsible use. As one would expect, the first to profit are those in the industry itself capable of delivering solid results rather than promises and hopes for the future. More surprising is that patients are also reaping benefits from these changes, at least those who belong to patient organisations. It is not ‘biotech’ per se, as one might assume, but differences being introduced into pharma leadership. That and the use of methods and analytical instrumentation able to reflect the trajectory of stem cells.

 

  In June 2005 Roger Perlmutter, CSO of Amgen, told the Financial Times about plans to enter into “business with stem cells”. Interestingly, his answers were not the usual honed and polished product of a corporate communications department, but delivered ‘straight from the hip’, so to speak, in direct response to the journalist’s questions. His message has broad appeal, and remains so more than four years on, despite the ubiquity of commercial research and stem cell products that began to emerge a decade or so ago. The viability of the science is underlined when one counts the number of pharma executives either taking major investment decisions in the field, or actually sitting on the boards of biotech companies dedicated to stem cell research.

 

  So, back to Amgen and the FT. In the interview, Perlmutter repeated what was already known at the time. In addition, he was especially careful to repeat the standard industry statement that Amgen is not interested in any commercial uses of “embryonic stem cells”. But he may not have been careful enough. Insiders report that Perlmutter came under fire back at the office for voicing outspoken views on strategy in such a public forum. What is certain is that his message did not align with that of corporate communications.

 

  In 2007, BioWorld Europe*, a print magazine for life science professionals, (note, not the general public) launched a survey among pharma companies and their evaluation of available stem cell technologies, their shortcomings, and recommendations to overcome these weaknesses. At the time, there was a growing malaise among industry scientists doing lab work on stem cells. Major science journals introduced ethical debates in their technical sections – not seen often but necessary in order to capture the public mood. Patenting issues were contaminated by politics, especially in continental Europe – in particular France and Germany, somewhat less in Sweden, and even more muted in the UK.

 

Pipettes Stem Cell Laboratory

  It would be normal for industry scientists working in the field to attend scientific stem cell conferences. So far, so good. But what most found irritating was a feeling that they were being ‘muzzled’ by their companies during these conference visits. As editor of BioWorld Europe I attended BIO in Boston - the US pharma industry’s largest partnering event for biotech - in order to meet business developers for and corporate spokespersons of big players such as Genentech, Pfizer, and Amgen. Now, BioWorld Europe was not FT, and has limited appeal other than marketing for the average US pharma company. However, even a European-based trade magazine can expect some positive response to requests for interviews. Sadly not. I began to realise what Dr. Perlmutter must have felt after returning to the office after his much-discussed FT interview. The industry scientists I spoke to informed me about their companies’ upgraded communications policies regarding in-house stem cell projects when talking to the outside world. Depending on the company, reactions range from failure to respond, to delays and subsequent abandonment, to ridicule – even lies. Of course, such a ‘head-in-the-sand’ approach is counter-productive when it comes to building trust, open innovation, or what Pfizer’s Jeffrey Kindler calls a “scientific powerhouse”. It introduces a cynical world view, both among employees and observers outside company. Let’s take another look at the FT interview. Even before the article was written, Amgen had not only externalised stem cell research to hospitals, universities and biotech firms such as Stem Cells Inc. and Viacell, they were also working in-house with (mice) embryonic stem cells – developments which the FT reporter did not pursue and about which Dr Perlmutter kept silent in the interview.

 

  There is a myriad professional bodies, industry organisations and scientific societies who rely on the silence of pharmaceutical companies when it comes to discussing R&D, despite the temptation felt among all scientists to discuss their work among a wider professional audience. It must be remembered that these professional bodies have their own agenda separate from, and sometimes in opposition to, the individual needs of their members. Thus, debates about stem cell technologies are often reduced to chatter about how to acquire public research funds, or a means for political manoeuvring. If we accept the overall goal of speeding up technology development and the need for reasoned and intelligent advocacy, the result of all these diversionary tactics is that they let the more important questions fall by the wayside. Such as: How do we properly finance the translation of stem cell discoveries into safe and valuable therapies? How do we develop modern and appropriate regulations to govern clinical use of stem cells, that will give greater certainty to investors? And, moving beyond ethical guidelines and clinical trials development issues: what technical standards need to be followed in order to validate toxicity testing with stem cells? What is the scope of a single discovery? or: Does a successful lab experiment with stem cells entitle the researcher to publicise the discovery by suggesting a novel ‘therapeutic’ has been ‘discovered’, even though the normal requirements of independent confirmation, upscaled studies, expanded clinical data collection and regulatory approval have still to even be considered?


Monitoring Lab ExperimentsIt is true that any responsible application of these technologies has to be governed by consensus within society (e.g. on the ethical framework) and also legitimate political decision-making (e.g. leading to regulations), but it is equally true that scientific and medical research needs guidance in where to direct basic research (which need not contradict the norms of disinterested and curiosity-driven research!). Biotech suppliers and tool developers need guidance from pharma companies and other major customers on standards necessary once development leaves the research labs or when funding by the tax payer runs out. And this in turn requires a more forward-thinking attitude on the part of pharmaceutical companies, and a preparedness to invest in internal infrastructure, at least those interested in growing advanced therapy businesses. Even a vertically-integrated pharmaceutical company is unable to call all shots, if only because of the high risks of failure which go hand-in-hand with medicines research. A topical example comes from Genzyme on how this successfully works for employment security, profit generation and patient benefits. Another example are autonomous patient organisations like Association Française des Myopathies which operates basic research (like I-Stem), runs technology centres, establishes biotech companies, invests into pilot plants to manufacture (orphan) drugs, and supplies academic advisors to national regulatory bodies as well as EMEA.

 

  B2Bioworld is to contribute to the debate about growing ‘the business of stem cells’. B2Bioworld is proud to offer to our readers an edition, wherein pharma leaders of eight of the worldwide largest and most innovative companies of the industry share their experiences and views together with scientists, industry consultants and patent lawyers. Enjoy reading..

 

Notes

 

* BioWorld Europe (2007): Regenerative Medicine and Stem Cells.Edited by Wolf G Kroner, Editor and Founder of Biworld Europe.

 

** In this and upcoming issues B2Bioworld will publish further details about some of these companies. In 2005, and well ahead of others, GE Healthcare (including former Amersham in the UK and Pharmacia in Sweden) published a position statement on their understanding and approach to use stem cells (www.gehealthcare.com/company/position_statements/stemcell6_05.html). Make no mistake: this is no press release or cosmetic platitude. It is no less than an element of leadership, directed towards internal change, as well as a bold statement to the outside world this is a learning organisation. Content may be debated, but this statement from GE Healthcare stands out as a proactive landmark, a claim that they aren't afraid to deal with these issues and encourage their employees to help them critically evaluate stem cell technologies.

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