Biotech / Medical | LEXG-Lexicon Genetics


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To: A.J. Mullen who wrote (190)1/14/2006 3:59:23 PM
From: nigel bates   of 253
 
A little.

Haven't had a chance to listen to the presentation just yet.

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From: nigel bates2/22/2006 9:18:12 AM
   of 253
 
Lexicon Genetics Reports 2005 Fourth Quarter and Full Year Financial Results; Lexicon Achieves 23% Annual Revenue Growth
Wednesday February 22, 7:30 am ET

THE WOODLANDS, Texas, Feb. 22 /PRNewswire-FirstCall/ -- Lexicon Genetics Incorporated (Nasdaq: LEXG - News), a biopharmaceutical company focused on discovering and developing breakthrough treatments for human disease, today reported financial results for the three months and year ended December 31, 2005.

"In 2005, we made significant progress toward our goal of entering clinical development with our internal programs," said Arthur T. Sands, M.D., Ph.D., president and chief executive officer. "We continue to be encouraged by the results of preclinical safety testing for our lead programs -- LG617 for Alzheimer's and cognitive disorders and LG103 for irritable bowel syndrome."

Revenues: Lexicon's revenues for the three months ended December 31, 2005 increased 30 percent to $33.9 million from $26.0 million for the corresponding period in 2004. The increase was primarily attributable to Lexicon's completion of two performance milestones related to work it is doing in collaboration with Genentech, Inc. that resulted in payments from Genentech totaling $20 million. Revenue recognized under Lexicon's alliance with Organon and its award from the Texas Enterprise Fund also contributed to the increase in revenue. Revenue in the fourth quarter of 2004 included performance milestone payments from Genentech and Takeda Pharmaceutical Company Limited. For the year ended December 31, 2005, revenues increased 23 percent to $75.7 million from $61.7 million in 2004.

Research and Development Expenses: Research and development expenses for the three months ended December 31, 2005 increased three percent to $23.9 million from $23.1 million for the corresponding period in 2004. For the year ended December 31, 2005, research and development expenses increased three percent to $93.6 million from $90.6 million in 2004.

General and Administrative Expenses: General and administrative expenses for the three months ended December 31, 2005 were $4.3 million, substantially unchanged from the corresponding period in 2004. For the year ended December 31, 2005, general and administrative expenses decreased two percent to $18.2 million from $18.6 million in 2004.

Net Income (Loss): Net income for the three months ended December 31, 2005 was $5.9 million, or $0.09 per share, principally as a result of the performance milestone payments received in the fourth quarter of 2005. This compares favorably to a net loss of $0.5 million, or $0.01 per share, for the corresponding period in 2004. The net loss for the year ended December 31, 2005 decreased to $36.3 million, or $0.57 per share, from a net loss of $47.2 million, or $0.74 per share in 2004.

Cash and Investments: As of December 31, 2005, Lexicon had $99.7 million in cash and investments, including restricted cash and investments, as compared to $90.2 million as of September 30, 2005 and $87.6 million as of December 31, 2004. Cash and investments at December 31, 2005 reflected the receipt in December 2005 of an up-front payment, performance milestones and research funding pursuant to Lexicon's alliance with Genentech.

"Our financial and business development efforts were highly successful in 2005," said Julia P. Gregory, Lexicon's executive vice president, corporate development and chief financial officer. "We continue to create long-term value through our alliances, with immediate positive impact on our revenues and cash position. Strategic collaborations and technology contracts and licenses brought in more than $120 million in cash to Lexicon in 2005, thereby providing a strong source of funding during the year."

Year 2005 Highlights

Expansion of alliance with Genentech: In December 2005, Lexicon announced the expansion of its drug discovery alliance with Genentech to include the advanced research, development and commercialization of new biologic drugs. Lexicon will receive a total of $25 million in upfront and milestone payments and research funding during the three-year advanced research portion of the expanded alliance. In this period, Lexicon will conduct advanced research on a broad subset of targets included in Genentech's Secreted Protein Discovery Initiative (SPDI) program and validated using Lexicon's proprietary gene knockout technology.

Lexicon may develop and commercialize drugs for up to six of the targets included in the alliance. Genentech retains an option on the potential development and commercialization of these drugs under a cost and profit sharing arrangement, with Lexicon having certain conditional rights to co- promote drugs on a worldwide basis. Genentech is entitled to receive milestone payments in the event of regulatory approval and royalties on net sales of products commercialized by Lexicon outside of a cost and profit sharing arrangement. Lexicon will receive payments from Genentech upon achievement of milestones related to the development and regulatory approval of certain drugs resulting from the alliance that are developed and commercialized by Genentech. Lexicon is also entitled to receive royalties on net sales of these products, provided they are not included in a cost and profit sharing arrangement.

Completion of two performance milestones in Genentech collaboration: Lexicon completed two performance milestones related to work it is doing in collaboration with Genentech and received corresponding payments totaling $20 million. The first of these milestones related to the completion by Lexicon of the analysis of the physiological and behavioral functions of the final set of targets selected from Genentech's SPDI program under the companies' initial collaboration. The second related to the delivery of data from advanced research already conducted by Lexicon under the expanded alliance.

Alliance with Organon to develop biotherapeutic drugs: In May 2005, Lexicon and Organon, the human healthcare business of Akzo Nobel, announced the formation of a collaboration to jointly discover, develop and commercialize novel biotherapeutics. The alliance encompasses up to 300 genes encoding secreted proteins or potential antibody targets that were jointly selected for the collaboration, including two of Lexicon's existing biotherapeutics discovery programs. Organon and Lexicon will share costs and responsibility for research, preclinical and clinical activities and will equally benefit from collaboration product revenue. Lexicon received an upfront payment of $22.5 million from Organon in exchange for access to Lexicon's drug target discovery capabilities and the exclusive right to co- develop biotherapeutic products that modulate the 300 genes selected for the collaboration. Organon will also provide research funding totaling up to $50 million to Lexicon for Organon's 50% share of the collaboration's costs during the four-year target function discovery portion of the alliance.

Alliance with XOMA for antibody drug development and commercialization: In June 2005, Lexicon established an alliance with XOMA Ltd. to jointly develop and commercialize antibody drugs for certain targets discovered by Lexicon. During the three-year initial term of the alliance, Lexicon will select at least three targets for submission to the collaboration and XOMA will generate or engineer antibodies that modulate the collaboration's targets using phage display libraries and its proprietary Human Engineering(TM) technology. Lexicon and XOMA will jointly develop and commercialize novel antibodies directed at these targets and will share the responsibility and costs for research, preclinical, clinical and commercialization activities. Costs and profits will be allocated 65% to Lexicon and 35% to XOMA.

Award from Texas Enterprise Fund: In July 2005, Lexicon announced it was awarded $35 million from the Texas Enterprise Fund for the creation of a knockout mouse embryonic stem cell library containing 350,000 cell lines. Lexicon is creating this new library using its proprietary gene trapping technology for the Texas Institute for Genomic Medicine, a newly formed non- profit institute. In addition, Lexicon will equip the institute with the bioinformatics software required for the management and analysis of data relating to the library.

Contract with National Institutes of Health: In September 2005, Lexicon entered into a three-year contract to provide selected knockout mouse lines and related phenotypic data to the United States National Institutes of Health (NIH). These materials are related to genes that have already been knocked out and analyzed by Lexicon. Lexicon will receive payment from NIH of approximately $4.9 million for NIH's initial order of knockout mouse lines. Lexicon retains the sole right to provide these materials to commercial entities.

Harvested novel discoveries from Genome5000(TM) program: Lexicon's Genome5000 program continued to yield new biologically-validated targets for drug discovery. In this program, Lexicon is analyzing 5,000 genes using its proprietary gene knockout technologies and its extensive physiological and behavioral analyses to discover new drug targets from the human genome. To date, Lexicon has completed the analysis of more than sixty percent of these genes and has harvested more than 90 promising targets related to major medical needs.

Lexicon Conference Call:

Dr. Arthur T. Sands and Julia P. Gregory will host a conference call at 11:00 a.m. Eastern Time on Wednesday, February 22, 2006 to review Lexicon's operating highlights and its financial results for the year ended December 31, 2005 and to discuss the company's guidance for 2006.

The dial-in number for the conference call is 800-946-0741 (within the United States) or 719-457-2649 (international). The pass code for all callers is 7195604. Investors can access lexicon-genetics.com  to listen to a live webcast of the call. The webcast will be archived and available for review through February 27, 2006.

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From: nigel bates5/11/2006 7:36:23 AM
   of 253
 
Lexicon Genetics Awarded Grant From the United States Army for Study of Spinal Muscular Atrophy
Thursday May 11, 7:30 am ET

THE WOODLANDS, Texas, May 11 /PRNewswire-FirstCall/ -- Lexicon Genetics Incorporated (Nasdaq: LEXG - News) announced today that it was awarded a grant from the United States Army Medical Research & Materiel Command (USAMRMC) for the identification of targets that may be important in the development of drugs to prevent or treat spinal muscular atrophy (SMA), a neurodegenerative disorder and the leading genetic cause of death in early childhood. Lexicon will receive $2.0 million in funding for the one-year initial term of the grant.

SMA is characterized by a mutation in the SMN1 gene that leads to neurodegeneration. Under the grant, Lexicon will utilize its proprietary gene knockout technology to identify genes that, when knocked out, lead to increased levels of mouse Smn protein. Genes that regulate Smn protein in mice may be involved in the regulation of SMN2 protein in humans. Identification of these genes may enable the development of drugs designed to increase levels of human SMN2 protein to offset the absence of human SMN1 protein and prevent or treat SMA. Lexicon will study approximately 750 pharmaceutically tractable genes in the research program. Lexicon has also entered into an agreement with the SMA Foundation for the potential development of drugs based on discoveries resulting from the program.

"Under this grant, we will utilize Lexicon's proprietary gene knockout technology to study genes that may impact the function of motor neurons to advance treatments for spinal muscular atrophy," said Brian P. Zambrowicz, Ph.D., executive vice president of research at Lexicon. "Through this research, we believe we will be able to provide the Army with information relevant to its efforts to treat neurodegenerative diseases and nerve damage."

Spinal muscular atrophy is a genetic, motor-neuron disease characterized by the wasting of skeletal muscles. Caused by progressive degeneration of nerve cells in the spinal cord, the disease leads to increasing muscular weakness and atrophy and premature death due to respiratory problems. The SMA Foundation estimates that there are currently over 50,000 people suffering from SMA in the United States, Europe and Japan.

SMA research and therapeutics development may be applicable to other neurodegenerative diseases, such as amyotrophic lateral sclerosis (also known as Lou Gehrig's disease) and Alzheimer's disease, and may have military relevance. Treatments that protect and maintain neurons or encourage nerve recovery may be important in spinal cord injury and traumatic brain injury. These treatments also have potential for treating nerve damage resulting from chemical weapons such as sarin, nerve gas and other chemical agents.

About Lexicon Genetics

Lexicon Genetics is a biopharmaceutical company focused on discovering and developing breakthrough treatments for human disease. Lexicon is systematically discovering the physiological and behavioral functions of genes to identify potential points of therapeutic intervention, or drug targets. Lexicon makes these discoveries using its proprietary gene knockout technology to model the physiological effects that could be expected from prospective drugs addressing these targets. For targets that the company believes have high pharmaceutical value, it engages in programs for the discovery and development of small molecule, antibody and protein drugs. Lexicon has advanced knockout-validated targets into drug discovery programs in six therapeutic areas: diabetes and obesity, cardiovascular disease, psychiatric and neurological disorders, cancer, immune system disorders and ophthalmic disease. Lexicon is working both independently and through collaborations and strategic alliances to accelerate the development and commercialization of its discoveries. Additional information about Lexicon is available through its corporate website, lexicon-genetics.com  .

About the Spinal Muscular Atrophy Foundation

Founded in 2003, the Spinal Muscular Atrophy Foundation is a nonprofit organization dedicated to accelerating progress towards a treatment and cure for spinal muscular atrophy through targeted funding of clinical research and novel drug development efforts. Since its inception, the Foundation has awarded over $30 million in sponsored research agreements. In addition, the Foundation is committed to raising awareness and generating support for increased research efforts in SMA among the leaders of industry and government. For more information on the Spinal Muscular Atrophy Foundation, visit smafoundation.org  or call (646) 253-7100.

About USAMRMC

The United States Army Medical Research & Materiel Command (USAMRMC), located at Fort Detrick, Maryland, conducts research to deliver the medical solutions to enhance, protect and treat the warfighter. USAMRMC strives to shape future medical solutions through research, advanced technology and partnerships. Its goal is to ensure that U.S. military forces are deployed in a state of optimal health and are equipped to protect themselves from disease and injury.

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To: nigel bates who wrote (194)5/19/2006 3:47:52 PM
From: WilderElisimo   of 253
 
Have some now. Small, small. $4.90.

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To: nigel bates who wrote (184)5/20/2006 7:54:40 PM
From: Mike McFarland   of 253
 
followup--Odyssey Thera paper here:
nature.com 

protein fragment complementation assays
abrf.org 

66.102.7.104 

US Patent 6,270,964 “Protein fragment complementation assays for the detection of biological or drug interactions”
odysseythera.com 

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From: nigel bates5/31/2006 11:51:48 AM
   of 253
 
Bristol-Myers Squibb Extends Neuroscience Alliance With Lexicon Genetics
Wednesday May 31, 7:30 am ET

THE WOODLANDS, Texas, May 31 /PRNewswire-FirstCall/ -- Lexicon Genetics Incorporated (Nasdaq: LEXG - News) announced today that Bristol-Myers Squibb Company (NYSE: BMY - News) has extended the target discovery term of its neuroscience alliance with Lexicon for an additional two years. Bristol-Myers Squibb and Lexicon initiated this alliance in December 2003 to accelerate the discovery, development and commercialization of therapies that address unmet medical needs in psychiatry and neurology. Bristol-Myers Squibb will provide Lexicon $20 million in additional research funding over the two-year extended research term which begins in January 2007.

The drug target discovery portion of the alliance encompasses the physiological and behavioral analysis of genes to identify promising new neuroscience targets for the development of small molecule drugs to treat disorders including depression, anxiety, schizophrenia, pain and Alzheimer's disease. The extended term provides for further advanced research on selected targets.

Under the original alliance, Bristol-Myers Squibb has worked with Lexicon on medicinal chemistry, preclinical research and development of drugs addressing promising neuroscience targets. Bristol-Myers Squibb may assume responsibility for clinical development and commercialization of any drugs resulting from the alliance that enter clinical trials.

Under the terms of the alliance, Lexicon received an upfront payment from Bristol-Myers Squibb and, in addition, annual research funding over the initial, three-year research term of the agreement. For each drug developed and commercialized by Bristol-Myers Squibb from the alliance, Lexicon will also receive clinical and regulatory milestone payments and will earn royalties on net sales.

"We have made significant progress in the first phase of our alliance," said Arthur T. Sands, M.D., Ph.D., president and chief executive officer of Lexicon. "We have discovered several exciting new targets and moved promising compounds into lead optimization. By combining Lexicon's unique drug discovery capabilities with Bristol-Myers Squibb's discovery, development and commercialization expertise, we believe that together we are positioned to play a leadership role in the creation of novel therapies for neuropsychiatric disease."...

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From: nigel bates6/13/2006 9:30:42 AM
   of 253
 
Lexicon Genetics Receives Equity Financing Commitment
Tuesday June 13, 7:30 am ET

THE WOODLANDS, Texas, June 13 /PRNewswire-FirstCall/ -- Lexicon Genetics Incorporated (Nasdaq: LEXG - News) announced today that it has received a commitment for up to $75 million in common stock equity financing from Azimuth Opportunity Ltd. During the 18-month term of this equity financing commitment, Lexicon may sell registered shares of its common stock at its sole discretion to Azimuth Opportunity at a small, pre-negotiated discount to the market price. Acqua Capital Management Company is an advisor to Azimuth Opportunity.

Lexicon will use net proceeds from any sale of the securities for research, drug discovery and development activities, including the preclinical and clinical development of its lead programs: LX-6171 for cognitive disorders such as Alzheimer's disease and LX-1031 for irritable bowel syndrome. In addition, these funds may be used to accelerate the advancement of Lexicon's lead internal drug discovery programs in immunology and metabolism and for capital expenditures and other general corporate purposes.

The shares of common stock are being offered pursuant to an effective registration statement filed with the Securities and Exchange Commission on January 21, 2005. This press release shall not constitute an offer to sell or the solicitation of an offer to buy any securities. There shall not be any sale of these securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such jurisdiction...

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From: nigel bates6/29/2006 7:46:00 AM
   of 253
 
Lexicon Genetics Files Application for LX6171 Phase 1 Trial for Cognitive Disorders
Thursday June 29, 7:30 am ET

THE WOODLANDS, Texas, June 29 /PRNewswire-FirstCall/ -- Lexicon Genetics Incorporated (Nasdaq: LEXG - News) announced today that it has submitted a Clinical Trial Authorization (CTA) filing to the United Kingdom Medicines and Healthcare Products Regulatory Agency (MHRA) for LX6171, an internally- developed small molecule compound for cognitive disorders. Upon clearance by the MHRA, Lexicon intends to initiate a Phase 1 clinical trial of LX6171 in healthy volunteers to assess the compound's safety, tolerability and pharmacokinetics. In preclinical studies, LX6171 has demonstrated improved learning and memory in healthy and aged mice and has exhibited a good safety profile in toxicology and safety studies. Lexicon is developing LX6171 for potential application in the treatment of cognitive disorders such as Alzheimer's disease, schizophrenia, vascular dementia, attention deficit disorder and Fragile X syndrome.

"We believe LX6171 has the potential to enhance learning and memory for patients in need and we look forward to examining its effectiveness in human clinical trials," said Arthur T. Sands, M.D., Ph.D., president and chief executive officer. "LX6171 is one of what we believe will be many proprietary molecules emanating from Lexicon's internal target and drug discovery efforts."

The target of LX6171 is a membrane protein that is expressed exclusively in the central nervous system. Its activity is associated with synaptic vesicles and presynaptic membranes. Lexicon discovered that mice lacking this protein displayed improved performance in tests of learning and memory, even as they aged. The Phase 1 clinical trial of LX6171 will be conducted at a site in the United Kingdom that was chosen for its significant experience examining human cognition in early-stage safety and tolerability studies.

In its Genome5000(TM) program, Lexicon is analyzing 5,000 genes using its proprietary gene knockout technologies and its extensive physiological and behavioral analyses to discover new drug targets from the human genome. To date, Lexicon has completed the analysis of approximately 3,500 of these genes and has harvested more than 90 promising targets related to major medical needs.

About Lexicon Genetics

Lexicon Genetics is a biopharmaceutical company focused on discovering and developing breakthrough treatments for human disease. Lexicon is systematically discovering the physiological and behavioral functions of genes to identify potential points of therapeutic intervention, or drug targets. Lexicon makes these discoveries using its proprietary gene knockout technology to model the physiological effects that could be expected from prospective drugs addressing these targets. For targets that the company believes have high pharmaceutical value, it engages in programs for the discovery and development of small molecule, antibody and protein drugs. Lexicon has advanced knockout-validated targets into drug discovery programs in six therapeutic areas: diabetes and obesity, cardiovascular disease, psychiatric and neurological disorders, cancer, immune system disorders and ophthalmic disease. Lexicon is working both independently and through collaborations and strategic alliances to accelerate the development and commercialization of its discoveries.

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To: nigel bates who wrote (199)9/6/2006 8:14:04 AM
From: nigel bates   of 253
 
Lexicon Genetics Initiates Phase 1 Clinical Trial of LX6171 for Cognitive Disorders
Wednesday September 6, 7:30 am ET

THE WOODLANDS, Texas, Sept. 6 /PRNewswire-FirstCall/ -- Lexicon Genetics Incorporated (Nasdaq: LEXG - News) announced today that it has initiated a Phase 1 clinical trial for LX6171, a novel, orally administered small molecule compound for cognitive disorders. The trial initiation follows the clearance in July of Lexicon's Clinical Trial Authorization (CTA) filing for LX6171 by the United Kingdom Medicines and Healthcare Products Regulatory Agency (MHRA).

The Phase 1 clinical trial of LX6171 is being conducted in normal healthy volunteers to evaluate LX6171's safety, tolerability and pharmacokinetics. The trial is designed as a randomized, double-blind, ascending single dose study and is expected to include approximately 40 subjects. This trial will be followed by a randomized, double-blind, ascending multiple dose study of similar size.

LX6171 is a selective and potent inhibitor of a novel membrane protein that is expressed exclusively in the central nervous system and is associated with synaptic vesicles and presynaptic membranes. It resulted from Lexicon's internal target and drug discovery efforts. In preclinical studies, LX6171 demonstrated improved learning and memory in healthy and aged mice. Lexicon is developing LX6171 for potential application in the treatment of cognitive disorders such as Alzheimer's disease, schizophrenia, vascular dementia, attention deficit disorder and Fragile X syndrome.

"The commencement of human clinical trials for LX6171 marks the advancement of Lexicon's pipeline of drug discovery programs into development," said Arthur T. Sands, M.D., Ph.D., president and chief executive officer of Lexicon. "Our internal research and discovery capabilities enable us to develop compounds, such as LX6171, that modulate novel targets and have the potential to address major areas of unmet medical need."

About Lexicon Genetics

Lexicon Genetics is a biopharmaceutical company focused on discovering and developing breakthrough treatments for human disease. Lexicon is systematically discovering the physiological and behavioral functions of genes to identify potential points of therapeutic intervention, or drug targets. Lexicon makes these discoveries using its proprietary gene knockout technology to model the physiological effects that could be expected from prospective drugs addressing these targets. For targets that the company believes have high pharmaceutical value, it engages in programs for the discovery and development of small molecule, antibody and protein drugs. Lexicon has advanced knockout-validated targets into drug discovery programs in six therapeutic areas: diabetes and obesity, cardiovascular disease, psychiatric and neurological disorders, cancer, immune system disorders and ophthalmic disease. Lexicon is working both independently and through collaborations and strategic alliances to accelerate the development and commercialization of its discoveries.

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From: nigel bates9/7/2006 3:51:07 PM
   of 253
 
Missed these over the summer -

The Woodlands, Texas, July 11, 2006 – Lexicon Genetics Incorporated (Nasdaq: LEXG) announced today that Cellectis SA has granted Lexicon an exclusive, worldwide license under the patents and patent applications covering Cellectis’ technology for the specific replacement or insertion of a gene in a eukaryotic genome. The license applies to the use of Cellectis’ technology in combination with internal ribosome entry site (“IRES”) or isogenic DNA technology in the generation of genetically-modified mice.

Cellectis’ technology is frequently used to insert markers of gene expression or to generate mice in which the human counterpart to a mouse gene has been inserted, or “knocked in”. Lexicon already held a non-exclusive license under these patent rights, and has utilized this technology in the generation of knockout mice as a complement to Lexicon’s existing suite of patented gene targeting technologies. The new license grants Lexicon exclusive rights to make, use, sell and import genetically-engineered mice generated using this technology in combination with IRES or isogenic DNA technology, subject to nonexclusive rights previously granted by Cellectis, with the exclusive right to grant sublicenses. The term of the exclusive license is for the life of the patents. The technology is covered by United States patent numbers 6,528,313, 6,638,768 and 6,528,314 and related patents and patent applications in the United States and other countries.

Lexicon was granted an exclusive license under patents and patent applications covering IRES technology for genetically-modified mice from Stem Cell Sciences plc in November 2005. IRES technology is commonly used to enhance the accuracy and versatility of gene expression in genetically-altered mice and cultured stem cells. Lexicon obtained an exclusive license under the patent rights to isogenic DNA technology in 1996. Lexicon’s intellectual property estate now includes exclusive rights under 12 United States patents related to its gene targeting technologies.

“This is an important set of technologies for biotechnology and pharmaceutical companies using knockout mice as a component of their target and drug discovery efforts,” said Lance Ishimoto, J.D., Ph.D., senior vice president of intellectual property at Lexicon. “Our experience confirms the power of using this suite of technologies together in the generation and analysis of genetically-modified mice.”

and

Romainville, France - July the 11th, 2006 - Cellectis S.A., the genome engineering company, announced today that it entered into an agreement with Lexicon Genetics Incorporated by which Lexicon granted Cellectis a worldwide, non-exclusive commercial sublicense to use isogenic DNA technology for homologous recombination in eukaryotic cells by double-stranded break methodology.

The isogenic DNA technology improves the success rate of homologous recombination - the most precise approach to gene targeting and broadly used to perform gene knock-in or knock-out in organisms or cell lines. Cellectis already had one of the stronger intellectual properties on uses of homologous recombination, including exclusive rights granted by Institut Pasteur under European patent number 419,621, Japanese patents number 3059481, 3298842 and 3298864 and US patents number 6,528,313, 6,638,768 and 6,528,314 as well as related patents and patent applications in other countries.

Homologous recombination is central to genome engineering, and the license granted by Lexicon relating to U.S. Patent number 5,789,215 complements Cellectis' technological portfolio. Isogenic DNA can also be used in conjunction with engineered meganucleases, sequence-specific enzymes developed by Cellectis to induce targeted recombination at high efficiency in chosen locations in genomes.

David Sourdive, Cellectis' Chief Operating Officer & Corporate Development commented, "We have taken an important step with this license. Access to this aspect of the homologous recombination technology strengthens our intellectual property portfolio". He added: "This license further consolidates our position in the field of genome engineering and its applications. It should expand our capability to introduce targeted modifications in genomes through the use of meganucleases with our partners in agriculture, protein production, biological models or stem cells."

Financial terms and conditions of the agreement were not disclosed.

About Cellectis SA

Cellectis SA (www.cellectis.com) was founded in 2000, as a spin-off from Institut Pasteur. Today, Cellectis is the world leader in applying the technology of Meganuclease Recombination Systems to in vivo genome engineering and genome surgery. The company is focused on the research and development of custom-made Meganucleases for in vivo DNA interventions and also provides new tools for rational reverse genetics and targeted recombination. Cellectis develops Meganucleases that can induce unique site-directed double-strand breaks in a living cell, and can be used for biotechnological and therapeutic applications. The company is focusing on bringing "genome surgery" to clinic as a genuine new molecular medicine approach.

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