WO1993000430A1 - Sequences de nucleotides capables de s'hybrider avec le gene nov de poule - Google Patents
Sequences de nucleotides capables de s'hybrider avec le gene nov de poule Download PDFInfo
- Publication number
- WO1993000430A1 WO1993000430A1 PCT/FR1992/000589 FR9200589W WO9300430A1 WO 1993000430 A1 WO1993000430 A1 WO 1993000430A1 FR 9200589 W FR9200589 W FR 9200589W WO 9300430 A1 WO9300430 A1 WO 9300430A1
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- Prior art keywords
- sequence
- nucleotide sequences
- nucleotide
- sequences according
- protein
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K16/00—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies
- C07K16/18—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from animals or humans
- C07K16/32—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from animals or humans against translation products of oncogenes
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K14/00—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
- C07K14/82—Translation products from oncogenes
Definitions
- NUCLEOTIDE SEQUENCES CAPABLE OF HYBRIDIZING WITH THE NOV CHICKEN GENE
- the invention relates to nucleotide sequences and the corresponding amino acid sequences. It also relates to obtaining these sequences and their applications.
- nephroblastoma induced by the avian myeloblastosis helper virus is an animal model of Wilms' tumor in children. Although these two types of tumors have different ethiologies, no virus having been associated until now with the development of human nephroblastoma, it is conceivable that the study, at the molecular level of viral-induced nephroblastomas, can make it possible to characterize parameters that are difficult to access in the human system.
- the inventors' studies concerning such avian nephroblastomas induced by MAV have enabled them to characterize in the chicken an embryonic gene called the nov gene, the expression of which proves to be stimulated at variable levels in tumors, but which is extinguished in cells. normal adult kidney.
- the inventors established the partial nucleotide sequence of the DNAs and the complete nucleotide sequence of the cDNA. Specific molecular probes have been established based on this sequence and used to detect the presence and expression of homologous genes in various human cell types.
- the invention therefore aims to provide new nucleotide sequences of a gene involved in particular in tumor cells.
- the invention further relates to the corresponding coded proteins and the polyclonal and monoclonal antibodies directed against these proteins.
- the invention further relates to the use of these sequences, proteins and antibodies in biological applications, in particular in detection tests.
- nucleotide sequences of the invention are characterized in that they contain a sequence of nucleotides capable of hybridizing, under stringent conditions (50% of formamide 5 XSCC) f with one or more sequences of the hen nov gene of which the cDNA exhibits the nucleotide sequence (I), more particularly with the sequence (II).
- the entire nucleotide sequence of the hen nov cDNA clone is formed by 1975 bp and includes at least 5 exons.
- This sequence includes an open reading frame of 1.0 kb, coding for a potential protein of 32300 Da, going from nucleotide 24 to nucleotide 1076.
- This open reading frame is followed by 899 bp of 3 'non-coding sequences which contain two potential pattern signals AATAAA polyadenylation at position 1914 and 1932.
- This hen nov gene is overexpressed in avian nephroblastomas induced by MAV studied by the inventors.
- Hybridization experiments carried out under stringent conditions defined above show that, unexpectedly, homologous sequences of the hen nov gene exist in the human genome.
- the isolated homologous sequences in humans or animals, can be used for screening libraries made from m-RNA, and make it possible to isolate cDNAs and thus to identify the other exons of genes of the same family. These exons and the genes which contain them, as well as the corresponding coded proteins, also form part of the invention.
- Nucleotide sequences of the invention are more particularly characterized in that they comprise or that they are formed by a sequence of nucleotides capable of hybridizing, under the stringent conditions mentioned above, with at least part of the second exon of the hen nov gene which comprises the nucleotide sequence (III).
- the invention relates in particular to the nucleotide sequences comprising the genetic information for coding for a protein having a homology of approximately 70% with the protein fragment, corresponding to the second exon of the hen nov gene, corresponding to the sequence (IV) .
- the nucleotide sequences capable of hybridizing with the sequence (III) above are also characterized in that they comprise at least part of a PstI fragment of approximately 600 bp as obtained from a plasmid subclone, derived from a recombinant clone isolated from a human placenta DNA library.
- the enzyme restriction map of the recombinant clone, as well as that of the derived plasmid subclone containing the nucleotide sequence in question, are shown in FIG. 2A.
- Such sequences are characterized in that they code for the chain of amino acids (V).
- the different sequences mentioned above more particularly comprise at least part of the following nucleotide sequence (VI), corresponding to the Pst I fragment mentioned above, more particularly of the sequence (VII).
- the sequence (VII) comprises 225 nucleotides with approximately 70% homology with exon 2 of the hen nov gene.
- nucleotide sequences of the invention are characterized in that they are formed by or that they comprise a sequence of nucleotides capable of hybridizing, under the stringent conditions mentioned above, with at least part of the third exon of the hen nov gene, which includes the nucleotide sequence (VIII).
- Sequences of the type defined above include the genetic information to code for a protein having at least about 73% homology with the potential protein fragment of the third exon of the hen nov gene corresponding to the sequence (I).
- sequences are also characterized in that they comprise at least part of a PstI fragment of approximately 800 bp and of a PstI fragment of 2 kb as obtained from a plasmid subclone derived from a recombinant clone isolated from a human placenta DNA bank.
- the enzymatic restriction map of the recombinant clone as well as of the derived plasmid subclone containing the nucleotide sequence in question is represented in FIG. 2A.
- sequences comprising the genetic information for coding for a protein having the amino acid sequence (X). It will be observed that this amino acid sequence can be demonstrated in humans.
- amino acid sequences more particularly comprise at least part of the nucleotide sequence (XI), more particularly of the sequence (XII).
- nucleotide sequences of the invention are characterized in that they comprise or that they are formed by a sequence of nucleotides capable of hybridizing, under the stringent conditions mentioned above, with at least part of the fourth exon of the hen nov gene, which includes the nucleotide sequence (XIII).
- the invention relates to the nucleotide sequences comprising the genetic information to code for a protein having a homology of approximately 85% with the protein fragment corresponding to the fourth exon of the hen nov gene corresponding to the sequence (XIV).
- Such sequences capable of hybridizing with at least part of the above chain (XIII), are also characterized in that they comprise at least, part of a HincII fragment of approximately 400 bp, as obtained according to the methods mentioned above for the other restriction fragments (see FIG. 2B).
- these sequences are also characterized in that they code for the chain of amino acids (XV).
- sequences mentioned above in connection with the fourth exon of the hen nov gene more particularly comprise at least part of the nucleotide sequence (XVI), corresponding to the HincII fragment mentioned above, more particularly of sequence XVII.
- nucleotide sequences are characterized in that they comprise or are formed by a sequence of nucleotides capable of hybridizing with at least part of the first exon of the hen nov gene which includes the nucleotide sequence XVIII.
- sequences are characterized in that they contain the genetic information to code for a protein having a homology of approximately 30% with the protein fragment corresponding to the first exon of the hen nov gene responding to the sequence (XIX).
- Such sequences are also characterized in that they code for the chain of amino acids (XX).
- sequences defined above in relation to the first exon of the hen nov gene more particularly comprise at least part of the nucleotide sequence (XXI).
- nucleotide sequences of the invention are characterized in that they are formed by, or that they comprise, a sequence of nucleotides capable of hybridizing, under the stringent conditions mentioned above, with at least part third and fourth exons of the hen nov gene which comprise the nucleotide sequence (XXII).
- sequences are further characterized in that they encode a protein fragment responding to the sequence (XXIII) following amino acids.
- sequences are also characterized in that they comprise at least part of a PstI fragment of approximately 700 bp as obtained according to the protocol mentioned above (see FIG. 2B).
- Sequences of the type of those of the PstI fragment of 700 bp above are more particularly characterized in that they are formed by or that they comprise a chain of nucleotides capable of hybridizing under the stringent conditions defined above, with at least part of the third exon of the hen nov gene which comprises the sequence ( XXIV).
- nucleotide sequences of the invention contain the genetic information to code for a protein having at least about 60% homology with the potential protein fragment of the third exon of the hen nov gene, this fragment responding to the sequence (XXV).
- sequences comprising the genetic information for coding for a protein having the amino acid sequence (XXVI).
- sequences more particularly comprise at least part of the nucleotide sequence (XXVII), more particularly of the sequence (XXVIII).
- nucleotide sequences of the invention are characterized in that they comprise or that they are formed by a sequence of nucleotides capable of hybridizing, under the stringent conditions mentioned above, with at least part of the fourth exon of the hen nov gene, which includes the nucleotide sequence (XXIX).
- the invention relates to nucleotide sequences containing the genetic information to code for a protein having a homology of approximately 80% with the protein fragment corresponding to the fourth exon of the hen nov gene, this fragment corresponding to the sequence (XXX). . They are in particular sequences comprising the genetic information for coding for a protein having the sequence (XXXI).
- sequences are formed by or more particularly comprise the nucleotide sequence (XXXII).
- the invention relates to a recombinant sequence comprising one of the sequences defined above, optionally associated with a promoter capable of controlling the transcription of the sequence and a DNA sequence coding for the termination signals of the transcript.
- the invention also relates to the promoter sequences of the genes comprising the nucleotide sequences defined above.
- This promoter sequence which corresponds to the sequence / Y IU; is located in a 2.2 kb PsTI-Hind III fragment and comprises the 283 nucleotides upstream at the start of the first exon.
- the promoter sequence of the human nov gene is characterized in that it comprises several consensus sequences of different transcription factors, such as NF1 (TGGCCTTCTGCCAATC), API (TGACTAA) and Spl (GCCACTCCCC) •.
- the invention also comprises a sequence of twenty repetitions of TG motifs which can constitute a polymorphism sequence, conferring an interest on this sequence as a polymorphism marker.
- the invention also relates to the promoter sequence of the CTGF gene identified in the EcoRI - PstI ragment of approximately 700 bp, which corresponds to the sequence (XX lA-0-
- This sequence is characterized in that it includes sites for binding transcription factors such as SRF (CCTAAAAAGG), API (TGAATCA), Spl (CCCGCCC), a potential tl protein binding site (CGCCCCGGC) and a site NF kappa B (GAGAGCCCC). It also includes a basic TATA (TATAAAA).
- SRF CCTAAAAAGG
- API TGAATCA
- Spl CCCGCCC
- CGCCCCGGC potential tl protein binding site
- GGAGCCCC site NF kappa B
- TATAAAA basic TATA
- ⁇ X J is also part of the invention.
- This sequence is contained in a Smal-Xhol fragment of approximately 1 kb which comprises consensus sequences of different transcription factors as well as a base TATA. It is characterized in particles in that it comprises the following sites for attachment of factor Spl: GGGGGCGGGG, CCCCCGCCTC, Ap2: CCGCAGGC, GGCGGGGC, GGGTCCC.
- GGCAGGTGG NF kappa E2 factor
- GGGAGTTTC NFKB factor
- the bases of the nucleotide sequences under consideration may be in a different order from that found in the genes and / or that these bases may, where appropriate, be substituted.
- the corresponding sequences fall within the scope of the invention, when a fragment of these sequences used as a probe gives a characteristic and unequivocal response with regard to the ability to recognize the presence of genes coding for proteins as defined above. above expressed in tumor cells.
- the invention also targets, as new products, the RNAs corresponding to the different sequences defined above and the complementary sequences of the different defined nucleotide sequences.
- the invention also relates to recombinant cloning and expression vectors capable of transforming an appropriate host cell, comprising at least part of a nucleotide sequence as defined above under the control of regulatory elements allowing its expression.
- strains of transformed or transfected microorganisms also fall within the scope of the invention. These strains comprise one of the nucleotide sequences defined above or also a recombinant vector as defined above.
- Amino acid sequences homologous to those encoded by exon 2, which contain the IGF growth factor binding site are of particular interest, since the IGFII gene, which is found in humans on chromosome llpl5 , is overexpressed in certain Wilms tumors and could therefore be implicated in this pathology.
- proteins of the invention which contain such a motif.
- the proteins of the invention are also characterized in that they are obtained by transformation of host cells using a recombinant vector as defined above, culturing, in an appropriate medium, of the transformed host cells or transfected and recovery of the protein from these cells or directly from the culture medium.
- proteins of the invention and their fragments which can also be obtained by chemical synthesis, advantageously have a high degree of purity and are used to form, according to conventional techniques, polyclonal antibodies.
- polyclonal antibodies as well as monoclonal antibodies capable of specifically recognizing an epitope of the above proteins, or of a fragment of these proteins, are also targeted by the invention.
- the invention further relates to the biological applications of the nucleotide sequences, the corresponding proteins and monoclonal or polyclonal antibodies.
- the invention therefore relates to detection probes characterized in that they comprise at least part of a nucleotide sequence defined above.
- the DNA fragment used as probe has a sufficient number of nucleotides to obtain the required specificity and the formation of a stable hybrid.
- Probes suitable for this type of detection are advantageously labeled with a radioactive element or any other group allowing its recognition in the hybrid state with the preparation containing the nucleotides to be studied.
- these probes are brought into contact with the biological sample to be tested or their nucleic acids, under conditions permitting possible hybridization of the nucleotide sequence of the probe with a complementary sequence, possibly contained in the product studied.
- the first method according to the conventional technique, depositing a quantity v aliquot of denatured DNA on nitrocellulose membranes.
- the second method comprises the electrophoretic separation in agarose gel of the DNA fragments generated after treatment of the DNA with restriction enzymes, the transfer after alkaline denaturation on appropriate membranes and their hybridization with the probe under the usual conditions.
- probes constitute tumor markers by allowing the early detection of the expression of the gene containing said nucleotide sequences, which normally is not or little expressed in the corresponding normal tissues.
- the invention thus provides means for assessing " tumor development and / or di erentiation.
- Detection for the specific identification of DNAs can also be carried out by DNA amplification techniques (PCR) as described in US patents 4683202 and 4683195 in the name of Cetus Corportation.
- PCR DNA amplification techniques
- nucleotide sequences defined above and spaced approximately 200 to 250 nucleotides.
- One of the sequences is capable of binding to a nucleotide sequence of one of the strands of the DNA fragment to be amplified and located at one of the ends of this fragment, for example at the 5 'end .
- the other sequence is capable to bind to a nucleotide sequence of the second strand of the DNA fragment to be amplified, and is located at the end of this fragment opposite to that mentioned above (at the 3 'end, when the first ends find at end 5 ').
- the invention also relates to a method for detecting in vitro the presence in a biological sample of sequences complementary to those defined above. This process is characterized in that it comprises the following stages:
- nucleotide probe as defined above under conditions allowing the production of a hybridization complex formed between the probe and the desired nucleotide sequence
- a preliminary amplification of the quantity of nucleotide sequences capable of being contained in the sample is carried out, using primers, as described above, capable respectively of binding, of one hand at the 5 'end of one strand of said nucleotide sequence and the other hand, at the 3' end of the other strand of said nucleotide sequence.
- kits or kits comprising:
- an insulin-like growth factor (IGF) binding sequence is advantageously used according to the invention for the determination of proteins.
- the proteins of the biological sample to be studied are brought into contact with an IGF comprising a labeled group, for example a radioactive group or cold probe, and the quantity of fixed product is assayed.
- an IGF comprising a labeled group, for example a radioactive group or cold probe.
- Radioactive probes prepared by nick translation in the presence of ⁇ dCTP 32p.
- Nucleotide sequencing according to the dideoxy chain termination method in the presence of ⁇ dATP 35s, T7 polymerase or Sequenase (USB).
- Example 1 Isolation of cDNA from the hen nov gene
- RNA from fibroblasts from hen embryos of 13 days are ligated with 1 ⁇ g of lambda gt10 arm to prepare a cDNA library of normal hen fibroblasts using the kit Amersha.
- Sequencing is carried out by the method of terminating dideoxy-nucleotide chains in the presence of ⁇ 35s dATP and of T7 polymerase (Pharmacia) or of Sequenase under the conditions described by the manufacturers.
- Matrices are obtained from the recombinant clones M13mpl8 and M13mpl9.
- the sequencing primers are from Biolabs, New England.
- GC compressions are resolved using deoxy-inosine (USB).
- FIG. 1 shows the entire 1975 bp nucleotide sequence of the cDNA clone of this new gene, overexpressed in the nephroblastomas studied, called gene no_3_ :.
- a 1.0 kb open reading frame encoding a potential protein of 32300 Da has been identified from nucleotide 24 to nucleotide 1076. This open reading frame is followed by 899 bp of 3 'non-coding sequences which contain two potential motifs of polyadenylation signals (AATAAA) at positions 1914 and 1932.
- AATAAA polyadenylation signals
- the potentially coded amino acids have also been indicated in this figure.
- the potential nov polypeptide contains a hydrophobic nucleus characteristic of a peptide signal at its amino terminus (with 6 leucines). This nov protein is devoid of other hydrophobic regions present in the trans-membrane proteins, it is likely that it is secreted.
- the nov protein also contains the consensus motif GCGCCXXC of proteins binding insulin-like growth factors (IGF) and a total of 39 non-clustered cysteine residues.
- IGF insulin-like growth factors
- F -o lP. 2 isolation in human cells of nucleotide sequences related to the hen nov gene.
- Example 3 Isolation of nucleotide sequences related to the hen nov gene. From a library of human placenta DNA, two groups of recombinant lambda gtll clones are isolated using the radiolabeled pClK probe.
- the human nucleotide sequences homologous to those of the hen nov gene are located in a 7.0 kb BamHI-HindIII DNA fragment of the clone Hu92 and those belonging to the CTGF gene in a 6.6 kb Sacl DNA fragment from the clone Hu93.
- the black blocks represent human exonic regions.
- pBH7 and pS6 clones make it possible to more precisely locate the homologous sequences of the hen nov gene and the sequences of the CTGF gene.
- the first are located on the one hand in a PstI DNA fragment of 600 bp (E2), on the other hand in a PstI fragment of 800 bp (E3), and in a HincII fragment of 400 bp (E4).
- the pBH7 probe corresponds to the HindIII-BamHI fragment.
- FIG. 2B The location of the first, second, third, fourth and fifth human exons at GTGF are shown in Figure 2B (respective designations E1, E2, E3, E4, and E5).
- the use of the PstI fragments of purified DNA as probes in Southern hybridization experiments with the EcoRI fragments of Example 2 leads to the sole detection of the EcoRI DNA fragment of 12 kb with PB06 and of the EcoRI fragment of 15 kb with PSP07 demonstrating that the sequences of PBP06 and PSP07 correspond to a subset of the nov exons of chicken cDNA.
- Rv-am li ⁇ A Detection of RNA of the human genome related to the hen nov gene.
- Neuroblastoma 1 Neuroblastoma 162
- results obtained show that the human gene homologous to the hen nov gene and the CTGF gene belonging to the same family are * expressed according to the tissues or lines in the form of different RNA species detected either by the two probes, or by a only one of them.
- the 7.4 kb RNA species expressed by certain tissues and lines appears to be recognized only by the PSP07 probe.
- CTGGTC C A G ACA-CAGAGTGGAGCGCCTGTTCCAAGACCTGTGGGATGGGCAT
- CTGCAGGCAT CCCGTAAGGA CCCCACGCTT GCAGCCCTGG TTGGAACGGT CAGGGTGGAG
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Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9107807A FR2678283A1 (fr) | 1991-06-25 | 1991-06-25 | Sequences de nucleotides, sequences d'acides amines correspondantes, et leurs applications biologiques. |
| FR91/07807 | 1991-06-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO1993000430A1 true WO1993000430A1 (fr) | 1993-01-07 |
Family
ID=9414250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/FR1992/000589 Ceased WO1993000430A1 (fr) | 1991-06-25 | 1992-06-25 | Sequences de nucleotides capables de s'hybrider avec le gene nov de poule |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0546149A1 (fr) |
| FR (1) | FR2678283A1 (fr) |
| WO (1) | WO1993000430A1 (fr) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999003890A1 (fr) * | 1997-07-16 | 1999-01-28 | Nucleica | Nouveaux peptides et polypeptides utiles dans la regeneration du systeme nerveux |
| US6069006A (en) * | 1991-08-30 | 2000-05-30 | University Of South Florida | Connective tissue growth factor (CTGF) regulatory nucleic acid sequences |
| EP1892250A3 (fr) * | 2000-01-31 | 2008-09-17 | Munin Corporation | Compositions et procédés CYR61 |
| US7718177B2 (en) * | 1998-12-14 | 2010-05-18 | University Of Miami | Antibodies directed to fragments of connective tissue growth factor (CTGF) polypeptide and methods and uses thereof |
| US7737257B2 (en) | 1996-11-08 | 2010-06-15 | Human Genome Sciences, Inc. | Connective tissue growth factor (CTGF-3) |
-
1991
- 1991-06-25 FR FR9107807A patent/FR2678283A1/fr active Pending
-
1992
- 1992-06-25 EP EP19920913915 patent/EP0546149A1/fr not_active Withdrawn
- 1992-06-25 WO PCT/FR1992/000589 patent/WO1993000430A1/fr not_active Ceased
Non-Patent Citations (3)
| Title |
|---|
| COMPTES RENDUS DE L'ACADéMIE DES SCIENCES vol. T313, no. III, Septembre 1991, PARIS, FRANCE pages 345 - 351 C. MARTINERIE ET BERNARD PERBAL 'Expression of a gene encoding a novel potential IGF binding protein in human tissues' * |
| MOLECULAR AND CELLULAR BIOLOGY vol. 12, no. 1, Janvier 1992, WASHINGTON, D.C., USA pages 10 - 21 V. JOLIOT ET AL. 'Proviral rearrangements and overexpression of a new cellular gene (Nov) in myeloblastosis-associated virus type 1 induced nephroblastomas' * |
| Proceedings of the 82nd Annual Meeting of the American Association for Cancer Research Vol 32 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6069006A (en) * | 1991-08-30 | 2000-05-30 | University Of South Florida | Connective tissue growth factor (CTGF) regulatory nucleic acid sequences |
| US6150101A (en) * | 1991-08-30 | 2000-11-21 | University Of South Florida | Methods of identifying a composition that alters connective tissue growth factor expression |
| US7737257B2 (en) | 1996-11-08 | 2010-06-15 | Human Genome Sciences, Inc. | Connective tissue growth factor (CTGF-3) |
| US7994284B2 (en) | 1996-11-08 | 2011-08-09 | Human Genome Sciences, Inc. | Connective tissue growth factor (CTGF-3) polypeptides |
| WO1999003890A1 (fr) * | 1997-07-16 | 1999-01-28 | Nucleica | Nouveaux peptides et polypeptides utiles dans la regeneration du systeme nerveux |
| US6995140B1 (en) | 1997-07-16 | 2006-02-07 | Nucleica | Peptides and polypeptides useful for regenerating the nervous system |
| US7718177B2 (en) * | 1998-12-14 | 2010-05-18 | University Of Miami | Antibodies directed to fragments of connective tissue growth factor (CTGF) polypeptide and methods and uses thereof |
| EP1892250A3 (fr) * | 2000-01-31 | 2008-09-17 | Munin Corporation | Compositions et procédés CYR61 |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2678283A1 (fr) | 1992-12-31 |
| EP0546149A1 (fr) | 1993-06-16 |
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