WO1999049881A2 - Verwendung von hsp70 protein - Google Patents
Verwendung von hsp70 protein Download PDFInfo
- Publication number
- WO1999049881A2 WO1999049881A2 PCT/EP1999/002165 EP9902165W WO9949881A2 WO 1999049881 A2 WO1999049881 A2 WO 1999049881A2 EP 9902165 W EP9902165 W EP 9902165W WO 9949881 A2 WO9949881 A2 WO 9949881A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cells
- protein
- hsp70
- tumor
- amino acids
- Prior art date
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N5/00—Undifferentiated human, animal or plant cells, e.g. cell lines; Tissues; Cultivation or maintenance thereof; Culture media therefor
- C12N5/06—Animal cells or tissues; Human cells or tissues
- C12N5/0602—Vertebrate cells
- C12N5/0634—Cells from the blood or the immune system
- C12N5/0646—Natural killers cells [NK], NKT cells
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N2501/00—Active agents used in cell culture processes, e.g. differentation
- C12N2501/07—Heat shock proteins
Definitions
- the invention relates to the use of Hsp70 protein or fragments thereof for activating NK cells, medicaments, medical devices or medical auxiliaries which contain an Hsp70 protein or fragments thereof or activated NK cells, methods for activating NK cells, and medical uses of the products obtained by the method according to the invention.
- Chaperones are necessary for a number of fundamental processes in the cell. In particular, it is known that they counteract cell stress.
- the best studied class of chaperones is the group of heat shock proteins (HSP) with a molecular weight of 70 kDa (Multhoff et al., Cell Stress & Chaperones 1 (3) (1996), 167). These proteins are highly conserved evolutionarily. They bind intracellularly to unfolded or incorrectly folded polypeptides, stabilize them and thus inhibit their aggregation or enable transmembrane translocation. Hsp70 is localized both in the cell nucleus, in the cytosol and on the cell surface of certain tumor cells.
- WO 97/10000 describes the use of complexes consisting of a heat shock protein and an exogenous antigen molecule (peptide) which is not covalently bound to this protein for the prevention and treatment of tumor and infectious diseases.
- the antigens present in the complex with heat shock proteins originate from tumor cells. They have the common property of inducing an immune response.
- HSPs including Hsp70
- NK cells recognize Hsp70 molecules presented on the surface of tumor cells and then lyse the tumor cells.
- Tamura and colleagues Tamura et al., Science 278 (1997), 117-123). They were able to demonstrate that tumor-bearing mice can be successfully treated with heat shock protein preparations if they originate from autologous tumors. In contrast, preparations from non-autologous tumors or from normal tissue do not lead to regression of the tumors (Blachere et al., J. Exp. Med.
- HSPs are in the study by Tamura et al. complexed with a large number of unidentified peptides.
- the prior art demonstrates an immunological activity of HSP molecules when they are either complexed with peptides and / or are presented on the surface of cells such as tumor cells.
- successful therapeutic use generally depends on the preparation of certain complexes or cell preparations and on the amount of the starting material (tumor material). A universal, patient-independent use of these complexes or cell preparations is difficult to imagine.
- the object of the present invention was accordingly to provide new means and ways of using the immunological potential of heat shock proteins which are not burdened by the disadvantages known from the prior art mentioned above.
- the invention relates to the use of an Hsp70 protein, a carboxy-terminal (C-termmal) fragment thereof or a derivative thereof or a protein with an amino acid sequence homology to the C-termal region of the Hsp70 protein of> 70% for the production of a medicament, Medical product or medical auxiliary for the activation of NK cells.
- medicaments are defined as substances and preparations made of substances which are intended to heal, alleviate, prevent or recognize diseases, conditions, body damage or pathological complaints by use on or in the human body.
- medical products are all substances and preparations made of substances or other objects used individually or in conjunction with one another, which are intended to be used by the manufacturer for use by humans by means of their functions for the purpose of detecting, preventing, monitoring, treating or alleviating diseases and their intended main effect is not achieved in or on the human body by either pharmacologically or immunologically active agents or by metabolism, but the mode of action of which can be supported by such agents.
- medical auxiliaries are substances which are used for the production (as active ingredients) of medicaments.
- the invention further relates to the use of an Hsp70 protein, a C-terminal fragment thereof or a derivative thereof or a protein with an amino acid sequence homology to the C-terminal region (amino acids 384-641) of the Hsp70 protein of> 70% for ex vivo or m vitro activation of NK cells.
- Hsp70 protein encompasses eukaryotic heat shock proteins whose expression can be reduced by heat, but also by a large number of other reagents such as, for example, amino acid analogs, heavy metals, ionophores or cell toxins, the ratio of the increase in expression by induction being proportional for constitutive expression is at least 5.
- FIG. 5 shows the structure of an Hsp70 protein consisting of an N-terminal ATPace domain and a C-terminal substrate binding domain of the protein.
- the complete ammosaur sequence is published m M lner, et al. , Immunogenetics 32 (4) (1990), 242-251.
- the term “carboxy-termmale [s] (C-termmale [s]) fragment” of the Hsp70 protein encompasses (poly) peptides which have an amino acid sequence from the range of amino acids 384-641 of human Hsp70.
- the present invention also includes fragments of the C-termmal fragment 384-641.
- this term encompasses (poly) peptides that come from the range of another protein that is encompassed by the term “Hsp70 protein” used according to the invention which is homologous to the C-termal region of the human Hsp70 protein.
- the fragments of the Hsp70 protem used according to the invention also have the ability to activate NK cells.
- Activation can easily be checked by a person skilled in the art on the basis of the teaching of the invention.
- the person skilled in the art is also readily able to produce fragments from the above-mentioned fragment 384-641 by genetic engineering (general procedures for this are described in Sambrook et al., "Molecular Clon g, A Laboratory Manual", 2nd edition 1989, CSH Press, Cold Spring Harbor, NY) and to test the desired activation properties.
- derivatives encompasses both derivatives of the Hsp70 protein and derivatives of the C-termmal fragment, provided that these Derivatives that have functions according to the invention.
- Such derivatives preferably have the same three-dimensional structure as Hsp-70 or its C-terminal fragments and can be produced, for example, by peptidomimetics (al-Obeidi et al., Mol. Biotechnol. 9 (1998), 205-223; Wiley et al ., Med. Res. Rev. 13 (1993), 327-384; Böhm, J. Comput. Aided Mol. Des. 10 (1996), 265-272; Hruby et al., Biopolymers 43 (1997), 219- 266).
- NK cells (“natural killer cells”) encompasses large, granular lymphocytes that expand CD45 on the surface and have killer activity without prior stimulation. They are particularly characterized in that they expand CD16 and / or can be stimulated by Interleukm-2 and / or core CD3 expand and / or have no ⁇ / ⁇ or ⁇ / ⁇ T cell receptors.
- IL-2 transiently plastic-adherent after the addition of IL-2 in quantities of 10 to 10,000 units, for example 100 IU, where IL-2 can be obtained from Chiron; the adherence takes place 3-18 hours after addition of the IL-2 to freshly isolated PBL (monocyte-depleted, pe ⁇ phere blood phytes); the NK cells have CD16d ⁇ m expression (mean value of the fluorescence weak); the NK cells express CD56 and CD57 as typical NK markers; the NK cells express CD94 (C-type lectm killer cell receptor); the NK cells secrete IFNgamma after activation with Hsp70 and cytokms; the NK cells can be stimulated by adding Hsp70 (purified protein) (growth and cytotoxic activ did) ; it is not dependent on the patient's MHC type.
- NK cell populations can also be used.
- the prerequisite is that they can be activated by the Hsp70 used according to the invention or by the fragments or derivatives mentioned.
- isolated NK cells can be used.
- cell mixtures such as pe ⁇ phere mononuclear blood cells (PBMC) which contain NK cells.
- amino acid sequence homology to the C-termmal region of the Hsp70 protein of> 70% means that at least 70% of the amino acids are identical when two ammosaurus sequences are aligned, one of the opposed ammosaurus sequences is that of the C-term region of Hsp70. Also included are sequences in which 70% of the amino acids are identical, but which additionally differ from the C-terminal Hsp70 reference sequence when compared by gaps. These gaps can occur either in the homologous molecule used according to the invention or in the reference molecule. Alignments, usually by computer comparison, are known in the prior art, as are the programs with which such alignments can be carried out. It is also preferred that the proteins or fragments have an ammosaur sequence homology to the carboxy-terminal region, that is to say in the region of amino acids 384-641, of the Hsp70 protein of j> 80% and preferably> 90%.
- Activation preferably involves induction of an immune response mediated by NK cells.
- the immune response mediated by NK cells comprises stimulating the proliferation of the NK cells and / or increasing the cytolytic activity of the NK cells.
- Hsp70 or fragments or derivatives thereof are used in all the above-mentioned embodiments in a (pharmaceutically) effective amount, so that the desired activation, preferably the immune response, is induced.
- the immune response is primarily, but not exclusively, directed against those cells which express Hsp70 or fragments thereof on the cell surface. This includes both human and animal cells.
- These Hsp70 cells or human cells that are expanding on the cell surface include, for example, tumor cells and cells from patients with infectious diseases.
- the cytolytic activity of the NK cells stimulated by Hsp70 according to the invention is significantly increased, so that an immunological elimination of these Hsp70 cells which express on the cell surface is made possible.
- the cytolytic activity towards tumor cells and / or cells from patients with infectious diseases is increased.
- the cytolytic activity towards leukemia cells, lymphoma cells, tumor cells and metastatic cells of solid tumors and cells from patients with viral, mycotic or bacterial infectious diseases is increased.
- An example of the treatment of viral diseases is the treatment of HIV infections
- an example of a bacterial infection is the treatment of diseases caused by mycobacteria.
- Soli ⁇ en tumors whose metastatic cells can be treated by the immunological method according to the invention include, for example, carcinomas, sarcomas, melanomas or leukemias and lymphomas. Examples of carcinomas are colon carcinomas and lung carcinomas.
- Hsp70 protein By using an Hsp70 protein according to the invention, parts of this protein or> 70% sequence-homologous proteins, cells can be lysed that are infected by viruses, bacteria and / or fungi or cells that are tumorigenically altered. Cells that contain antigenic parts of these foreign organisms or parts of tumor cells can also be lysed by using the Hsp70 protein according to the invention with the aid of the activated NK cells.
- the invention further relates to a method for ex vivo or in vitro activation of NK cells, wherein a physiological cell suspension containing NK cells with an Hsp70 protein, a C-terminal fragment thereof or a derivative thereof or a protein with an amino acid sequence homology for C-terminal region (amino acids 384-641) of the Hsp70 protein from j ⁇ . 70% mixed and incubated to activate NK cells.
- Incubation can take place at room temperature, but preferably at a physiological temperature (37 ° C) on a shaker (gentle shaking).
- the activation comprises stimulating the proliferation of the NK cells and / or increasing their cytotoxicity.
- the preferred target cells for the cytotoxic activity reference is made to the above illustrations.
- peripheral, mononuclear blood cells or a fraction thereof containing NK cells are used as the physiological cell suspension containing NK cells.
- the NK cells can be removed from the patient to be treated or from a healthy donor by suitable methods Blood collection can be obtained. Buffy coats (lymphocyte concentrates) containing NK cells should preferably be used.
- Buffy coats (lymphocyte concentrates) are removed from the patient via the vein and e.g. mixed with heparin to prevent cell clumping.
- the lymphocyte concentrate remains sterile in the vessel (plastic bag).
- a buffy coat consists of white and red blood cells (lymphocytes, erythrocytes, etc.).
- the buffy coats which contain peripheral, mononuclear blood cells, are used in the form of a physiological cell suspension, preferably mixed with heparin.
- the heparin prevents cell aggregation.
- the cell suspension further contains human or animal cells expressing Hsp70 on the cell surface.
- Nsp cells can also be stimulated by Hsp70 protein if there are no target cells (tumor cells, infected cells) expressing Hsp70 on the cell surface.
- tumor cells are used as human or animal cells.
- leukemia cells are used as human or animal cells.
- lymphoma cells are used as human or animal cells.
- metastatic cells of solid tumors and cells from patients with viral, mycotic or bacterial infectious diseases are used as human or animal cells.
- the physiological cell suspension containing the cells and proteins is incubated for at least 3 hours.
- the target cells of the natural killer cells are preferably incubated together with the natural killer cells and the Hsp70 in suspension, preferably for the period mentioned.
- long-term incubations for at least 4 days are also possible. Accordingly, in another particularly preferred embodiment of the method according to the invention, the incubation is carried out for 4 days.
- a cytokine is additionally used.
- the cytokine can be used separately with the NK cells and / or the heat shock proteins, fragments or derivatives thereof or together in one dose.
- an interleukin is used as the cytokine.
- a combination of interleukins can also be used according to the invention together with the Hsp70 protein in order to further intensify the activation of the NK cells, e.g. the immune response mediated by NK cells or the stimulation of the proliferation of the NK cells.
- Interleukin IL-2 Interleukin IL-2, IL-12 and / or IL-15 used.
- the invention opens up the possibility of not only reinfusing NK cells activated ex vivo in the patient, but also of using NK cells treated according to the invention, for example also in combination with hyper-thermal treatment, in vivo because of the avoidance of toxic substances.
- This embodiment of the invention has the further, invaluable and surprising advantage that target cells, for example tumor cells, which resisted the known therapeutic methods can now also be immunologically killed by the cytolytic action of NK cells.
- the invention thus further relates to a method for in vivo activation of the immune system, in which a patient is administered a pharmaceutically effective amount of NK cells activated according to the method described above, optionally in combination with or before a pharmaceutically effective amount of an Hsp70 protein , a C-terminal fragment thereof or a derivative thereof or a protein with an amino acid sequence homology to the C-terminal region (amino acids 384-641) of the Hsp70 protein of j ⁇ . 70% administered.
- the active ingredients can be formulated separately in one or more containers, whereas in the case of processing which is separate in terms of time, they are formulated separately.
- the corresponding time period before the administration of the Hsp70 protein should be at least 3-24 hours.
- Buffy-coat cells consisting of peripheral, mononuclear blood cells or bone marrow cells and tumor cells from tumor patients, for example leukemia patients, are in a container, for example a plastic Container that is sterile sealed, heat treated with the Hsp70, Hsp70-related protein and / or effective fragments or derivatives thereof, in a temperature controlled water bath. Both the tumor cells and the NK cells, which are stimulated by the present treatment, are located in the container. After completion of the method according to the invention, the activated NK cells and the culture solution containing the lysed tumor cells are re-infused into the patient.
- the NK cells are optionally present together with other peripheral, mononuclear blood cells, for example together with erythrocytes and granulocytes and T cells.
- the NK cells are therefore preferably not used alone, but rather a mixture of the peripheral, mononuclear blood cells is obtained by isolating buffy-coat cells. In tumor patients, these accumulations continue to contain tumor cells that are immunologically eliminated by the method according to the invention.
- the invention relates to a method for in vivo activation of NK cells, wherein a patient receives a pharmaceutically effective amount of an Hsp70 protein, a C-terminal fragment thereof or a derivative thereof or a protein with an amino acid sequence homology to the C-terminal region (Amino acids 384-641) of the Hsp70 prototype of . ⁇ . 70% administered.
- the invention relates to a method for treating tumors, cancer and / or infectious diseases, wherein a patient receives a pharmaceutically effective amount of NK cells activated by the method according to the invention described above and / or an Hsp70 proteme, a C-termmal fragment thereof or a derivative thereof or a protein with an amino acid sequence homology to the C-terminal region (amino acids 384-641) of the Hsp70 protein of . ⁇ . 70% administered.
- the tumor is a solid tumor or a metastasis.
- the treatment strategy aims in particular at eliminating single cell metastases which can be eliminated immunologically by the method according to the invention.
- Enhanced activation of Hsp70-specific NK cells can be achieved by adding interleukin-2 in a low dose, for example 100 IU.
- the interleukin-2 can, for example, be introduced together with the Hsp70 into the sterile container, for example a plastic container.
- the cancer is leukemia or a Ly ⁇ nphom.
- the infectious disease is of viral, mycotic or bacterial origin.
- the invention further relates to a medicament, a medical adjuvant or a medical device which contains an Hsp70 protein, a C-terminal fragment thereof or a derivative thereof or a protein with an amino acid sequence homology to the C-terminal region (amino acids 384-641) of the Hsp70 -Proteins of ⁇ .
- a medicament a medical adjuvant or a medical device which contains an Hsp70 protein, a C-terminal fragment thereof or a derivative thereof or a protein with an amino acid sequence homology to the C-terminal region (amino acids 384-641) of the Hsp70 -Proteins of ⁇ .
- a cytokine as defined above may also be added to the drug.
- the protein is in a concentration of at least 1 ⁇ g / ml, preferably up to 1000 ⁇ g / ml, preferably 1 ⁇ 10 s to 5 ⁇ 10 8 NK cells, an amount of 10 ug to 600 ug / ml is preferred.
- suitable pharmaceutically acceptable carriers are familiar to the person skilled in the art and include, for example, phosphate-buffered salt solutions, water, emulsions, such as, for. B. oil / water emulsions, sterile solutions, etc.
- the pharmaceutical compositions (pharmaceuticals) containing such carriers can be formulated by conventional methods.
- the pharmaceutical compositions can be administered to the subject concerned in a suitable dose. Types of administration are, for example, intravenously, intraperitoneally, subcutaneously, intramuscularly, topically or intradermally. The dosage depends on many factors, e.g. B. on the size, gender, weight, age of the patient, as well as the type of compound specifically administered, the type of administration, etc.
- the monthly dose is 10 to 1000 ⁇ g.
- dosages of 10 to 1000 ⁇ g are common.
- the compositions can be administered locally or systemically. In general, administration will be parenteral.
- the NK cells treated with Hsp70 protein according to the invention are preferably injected intravenously. It can also be injected directly into the tumor, injecting an effective amount of the NK cells.
- other forms of application known per se are also possible.
- the Hsp70 protein itself can be administered together with cytokines, for example.
- An example of an application is the injection of the Hsp70 protein, e.g. together with cytokines intravenously, intramuscularly, subcutaneously, intraperitoneally or in the sole of the foot.
- the Hsp70 protein is a human protein.
- the protein according to the invention is of human origin (when isolated from cell extracts) or has the amino acid sequence of human Hsp70 protein (e.g. after recombinant production).
- animal Hsp70 proteins can also be used.
- the Hsp70 protein used according to the invention or the fragments can either be produced recombinantly, isolated from cell extracts or produced by chemical synthesis.
- the Hsp70 protein or its fragment or derivative is a recombinant protein.
- Such recombinant proteins can be produced by standard methods.
- Nucleic acid molecules which encode the Hsp70 protein according to the invention or fragments thereof are used for the recombinant production of the proteins. These can be different nucleic acid molecules, in particular DNA or RNA molecules, for example cDNA, genomic DNA, mRNA etc. These nucleic acid molecules can be naturally occurring molecules and / or molecules produced by genetic or chemical synthesis methods.
- nucleic acid molecules contained in the vectors can be linked to regulatory elements which ensure expression in prokaryotic or eukaryotic cells.
- expression can mean transcription as well as transcription and translation.
- Regulatory elements include promoters in particular. A number of promoters are available for the expression of a nucleic acid molecule in prokaryotic cells, e.g. B. the E.
- coli lac or trp promoter the P R or P L promoter of the lambda phage, lad, lacZ, T3, T7, gpt, etc. are eukaryotic promoters for example the CMV immediate early promoter, the HSV promoter, the thymidine kinase promoter, the SV40 promoter, LTRs of retroviruses and the mouse metallothionin I promoter.
- a variety of expression vectors for expression in prokaryotic or eukaryotic cells have already been described, e.g. B.
- these vectors can also Contain elements to further increase transcription, such as. B. so-called transcription enhancers. Examples of these are the SV40 Enhander, the Polyoma Enhancer, the Cytomegalovirus early promoter Enhancer and Adenovirus Enhancer.
- the recombinant proteins can therefore be expressed in various prokaryotic or eukaryotic host cells, for example using the vectors described above.
- host cells are bacterial cells (such as, for example, BE coli, Streptomyces, Bacillus, Salmonella typhimurium), fungal cells (such as, for example, yeast cells, in particular Saccharomyces cerevisiae), insect cells (such as, for example, Drosophila or SF9 cells), animal cells Cells (such as CHO or COS cells) or also plant cells, etc.
- Such host cells are cultivated under conditions which allow expression of the recombinant protein which can subsequently be obtained from the cells and / or from the culture medium. Methods for the expression of foreign protein in different types of host cells and for the production of the protein produced are familiar to the person skilled in the art.
- the Hsp70 protein comprises the C-terminal fragment amino acids 384 to 561 of human Hsp70 or the corresponding region from another Hsp70 which is the inventive one
- the C-terminal fragment has effects or comprises amino acids 454 to 460 of human Hsp70.
- NLLGRFE fragments which have this minimal sequence of 7 amino acids
- the 7 amino acids can be flanked by naturally flanking Hsp70 sequences or by other amino acids. It is preferred that the 7 amino acids remain in their natural context. If other flanking amino acids are used, the three-dimensional context in which the 7 amino acids mentioned are naturally present is preferred. Further amino acid exchanges can take place within the 7 amino acids provided the homology is maintained at least 70%. However, these exchanges do not involve replacement of arginine at position 458 by lysine. This exchange leads to a change in conformation. Accordingly, exchanges which lead to a change in conformation in the region of the 7 amino acids are only included in the invention if they have the desired activation properties.
- the invention further relates to the use of the NK cells treated by a method according to one or more of the preceding embodiments for the therapy of tumor diseases and / or infectious diseases.
- the therapy is carried out by reinfusing the treated NK cells.
- FTGUR, 1 Comparison of the proliferating activity of separate NK (A) and T (B) cells, either with IL-2 (100 IU / ml) medium or with other recombinant Hsp70 proteins (rHsp70, rHsp70-C term . (amino acids 384-561), rHsp70homC, DnaK, Hsc70 and heat-denatured rHsp70), which were suspended in IL-2 medium (100 IU / ml), each with a concentration of 10 ⁇ g / ml, were stimulated.
- the phenotypic characterization of the NK cells is as follows:
- CD3 ⁇ 5%; CD16 / CD56: 46-87%; CD94: 60-70%; p58.1 and p58.2: ⁇ 5% and T cells: CD3: 85-92%; CD16 / CD56: 5-10%; CD94: ⁇ 29%; p58.1 and p58.2: not tested; p70: not tested, determined by flow cytometry.
- the proliferation of the cells was determined after 48 hours and after incubation with 3 H-thymidine (1 ⁇ Ci / ml) at 37 ° C. for 18 hours.
- the relative percentage of 3 H-thymidine uptake in NK (A) and T (B) cells was compared to the effects of IL-2 alone (100%). The values show the mean values of four to seven independent experiments ⁇ standard deviation.
- FTGU 2 Comparison of the cytotoxic activity of highly purified NK cells (CD3: ⁇ 2%; CD16 / CD56: 75-80%; CD94: 65-87%; p58.1 and p58.2: 20-30%; p70: ⁇ 10%), which either remained untreated (solid lines, empty symbols) or were pre-incubated after preincubation of the NK cells with rHsp70 (A) protein (5 ⁇ g / ml each for 4 days; solid lines, filled symbols) , versus 51 Cr-labeled tumor target cells CX + (A) and CX- (B), which differ in their ability to express Hsp70 on their plasma membrane.
- the results are as a percentage of the specific lysis at different E : T ratios expressed from 0.2: 1 to 2: 1. Each point represents the mean of at least three independent experiments ⁇ standard deviation. The percentage of spontaneous release for each tumor target cell line was always below 15%.
- FTGUR 3 tumor growth of CX + cells bearing Hsp70 in immune deficient mice. After ip injection of NK cells, tumor growth is completely inhibited (with i.p. injection of the tumor cells). The tumor size was given in cm 2 .
- FTGUR 4 tumor growth of Hsp70-bearing CX + cells in immune-efficient mice. After i. v. Injection of NK cells completely inhibits tumor growth. The tumor growth was measured in grams. Tumor growth after o. t. Injection of CX + and IV injection of NK cells on day 35. The NK cells prevent tumor growth of Hsp70-bearing CX + cells after 3 and 5 weeks after injection and (see FIG. 3). Both intraperitoneal and intravenous administration of the NK cells lead to comparable results.
- FTGUR 6 Representation of the influence of Hsp70 and / or cytokines on the immune response mediated by NK cells. The cytokine addition also stimulates T cells.
- Example 1 Increased proliferation of NK cells after administration of Hsp70
- NK and T cells The proliferation of purified NK and T cells, which with the Hsp70 proteins rHsp70, DnaK, Hsc70, rHsp70-C term. and rHsp70homC (amino acids 384-561) had been stimulated was determined in a 3 H-thymidine uptake standard test (test conditions see later).
- peripheral blood lymphocytes from voluntary human donors were initially transformed into non-adherent CD3 + T cells and transient (12-24 hours) adherent CD3- (CD16 + / CD56 +) NK cell subpopulations in a multi-step procedure and subsequent 12-hour incubation in one Medium containing IL-2 (see FIG. 3) separately.
- the cells were cultured separately in rIL-2 (100 IU, Chiron, Frankfurt, Germany) containing an RPMI 1640 (Life Technologies, Eggenstein, Germany) medium for 3-4 days. Proliferation was measured as H-3 uptake.
- Hsp70 human recombinant Hsp70 (rHsp70, SPP-755, StressGen Biotechnologies, Victoria, Canada) and DnaK (Hsp70 homolog obtained from E. coli, SPP-630, StressGen).
- the proteins were diluted in PBS to a stock concentration of 1 ⁇ g / ml and frozen in aliquots at -80 ° C.
- T-25 culture bottles were incubated with rHsp70 or DnaK protein (10 ⁇ g / ml), diluted in 3 ml ice-cold carbonate buffer, pH 9.5, for 12 hours.
- the flow cytometry was carried out as described in (4) on a FACScan instrument (Becton Dickinson, Heidelberg, Germany).
- the percentage of positively stained cells was defined as the difference between the number of specifically stained, vital (propidium iodide negative) cells minus the number of cells which were stained with the control antibody corresponding to the isotype.
- the following antibodies were used for phenotypic labeling of the effector cells: the isotype-corresponding control antibody (Dianova, Hamburg, Germany; Becton Dickinson, Heidelberg, Germany), CD16 (Dianova, Hamburg, Germany), CD3 (Dianova, Hamburg, Germany).
- T or NK cells proliferate against different Hsp70 proteins was determined in a standard 3 H thyroid uptake test.
- Viable cells (5 x 10 4 cells / 100 ⁇ l) were sown in a 96-well-containing microtiter plate with a flat bottom (Greiner, Nuertingen, Germany), using a supplemented RPMI 1640 medium with 100 IU IL-2 and various recombinant Hsp70 proteins (rHsp70, DnaK, Hsc70, the constitutive form of Hsp70, purified from bovine brain, SPP-750; StressGen; rHsp70-C term., They rec.
- Hsp70 amino acids 384 - 561, rHsp70homC, the recombinant C-terminal peptide binding domain of Hsp70hom (Hsp70hom is a Testis specific member of the Hsp70 family, which has a strong homology (94%) to Hsp70), amino acids 384-561) was used.
- Hsp70hom is a Testis specific member of the Hsp70 family, which has a strong homology (94%) to Hsp70), amino acids 384-561
- the cells were labeled with 3 H-thymidine (1 ⁇ Ci / well), and the total uptake was determined after 18 hours of incubation at 37 ° C. in a liquid scintillation counter (Beckmann Instruments, Kunststoff, Germany) .
- the proliferation capacity of T lymphocytes from the same donor was also determined.
- Dose escalation studies using various Hsp70 proteins / fragments in concentrations of 1-200 ⁇ g / ml showed that maximum stimulation of the proliferation capacity was achievable with 100 ⁇ g / ml Hsp70 protein.
- NK cell proliferation was significantly stimulated by rHsp70. Stimulation by the carboxy-terminal region of Hsp and by rHsp70homC, which is 94% identical to Hsp70 in the C-terminal domain with amino acids 384-561, is also possible. In contrast, DnaK and Hsc70 did not stimulate NK cell proliferation. Heat denatured rHsp70 completely lost the stimulatory properties for the proliferation of NK cells.
- NK cells proliferation of NK cells by recombinant human Hsp70 protein could thus be induced by the C-terminal region of Hsp70 (384-561) and rHsp70homC, a protein homologous to Hsp70, while proliferation of the T cells was selective by bacterial Hsp70 (E. coli DnaK) was stimulable.
- Example 2 Increasing the cytolytic activity of NK cells after administration of Hsp70
- NK cells using Hsp70-expressing (CX +) and Hsp70 -non-expressing (CX-) tumor cells showed that the plasma membrane expression of Hsp70 correlated with an increased sensitivity to the lysis mediated by NK cells.
- This NK cell-mediated lysis of tumor cells can be blocked by preincubating the tumor cell lines with monoclonal antibodies which are directed against the carboxy-terminal region (amino acids 504-617) of Hsp70 and with the antibody RPN1197 (1, 4).
- Hsp70 recombinant Hsp70 protein
- CX + Hsp70-expressing
- CX- Hsp70-non-expressing
- FIGS. 2A and B The experimental arrangement was as follows: To stimulate the cytotoxic activity, NK cells were incubated with 10 ⁇ g / ml rHsp70. The stimulation was repeated every 4 days.
- the human, autologous colon carcinoma subcell lines CX + and CX- which differ in their Hsp70 expression on the plasma membrane (Multhoff et al., J. Immunol. 158 (1997), 4341), were supplemented with in RPMI 1640 medium 10% FCS (Life Technologies), 6 mM L-glutamine and antibiotics (100 IU / ml penicillin and 100 ⁇ g / ml streptomycin; Life Technologies) were cultivated. Exponentially growing tumor cells were used as target cells, and purified CD3-NK cells were used as effector cells after cell sorting using a FACStar plU ⁇ instrument (Becton Dickinson, Heidelberg, Germany).
- Cytotoxicity mediated by NK cells was assessed using a 4 hour 51 Cr-Ra- dioisotope tests (Multhoff et al., J. Immunol. 158 (1997), 4341). The percentage of specific lysis was calculated as follows: [(experimental release - spontaneous release) / (maximum release - spontaneous release)] x 100. The spontaneous release of Cr-51 was below 15% in all experiments.
- NK cells were incubated with rHsp70 protein for at least 4 days, both the proliferation and the cytolytic activity of NK cells against Hsp70-expressing tumor cells (CX +) were stimulated.
- CX + Hsp70-expressing tumor cells
- NK cells from the same donor that were not treated with rHsp70 lost this reactivity after 10 days (data not shown).
- the lytic activity of NK cells not stimulated with rHsp70 was lower compared to NK cells treated and stimulated with rHsp70, and no significant difference in the lysis of Hsp70-expressing and non-expressing tumor cells could then be determined.
- Hsp70 amino acids 384 - 641
- the carboxy-terminal part of Hsp70 protein acts as a stimulating signal for NK cells which specifically attack tumor cells expressing Hsp70 in vitro.
- NK cells For the investigation of the in vivo relevance of NK cells compared to Hsp70-expressing tumor cells, investigations on immunodeficient SCID / beige mice were carried out. First different amounts of tumor cells (CX + or CX- cells) were injected into SCID / beige mice. An amount of 2.5 million Cells proved to be the optimal amount of tumor cells to induce tumor growth within a period of 3 to 5 weeks. An ip (intraperitoneal) or ot (orthotopic, ie here in the intestinal wall) injection of colon carcinoma cells CX + or CX- into the intestinal wall was chosen as the injection method. After stimulation, the NK cells were applied either ip or iv (intravenously). As shown in FIG.
- tumor growth could be achieved in both animals both after ip and after ot injection.
- ot injection in addition to the growth of a primary tumor, metastasis of the CX + cells was also observed, especially in the spleen and lungs (3 out of 3 mice after ot injection).
- NK cells not only inhibited the growth of primary tumors (in the i.p. space or on the intestine), but also the metastasis of the tumors.
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Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/646,835 US7396681B1 (en) | 1998-03-27 | 1999-03-29 | Application of Hsp70 proteins |
EP99913314A EP1066050B2 (de) | 1998-03-27 | 1999-03-29 | Verwendung von hsp70 protein |
DE59912185T DE59912185D1 (de) | 1998-03-27 | 1999-03-29 | Verwendung von hsp70 protein |
AT99913314T ATE297750T1 (de) | 1998-03-27 | 1999-03-29 | Verwendung von hsp70 protein |
CA2325735A CA2325735C (en) | 1998-03-27 | 1999-03-29 | Hsp70 protein for the treatment of tumours, cancer or infectious diseases through nk-cell activation |
JP2000540844A JP4832640B2 (ja) | 1998-03-27 | 1999-03-29 | Hsp70タンパク質の新規使用 |
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DE19813760A DE19813760A1 (de) | 1998-03-27 | 1998-03-27 | Neue Verwendung von Hsp70-Protein |
DE19813760.5 | 1998-03-27 | ||
EP9902056 | 1999-03-26 | ||
EPPCT/EP99/02056 | 1999-03-26 |
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WO1999049881A2 true WO1999049881A2 (de) | 1999-10-07 |
WO1999049881A3 WO1999049881A3 (de) | 1999-12-23 |
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US (1) | US7396681B1 (de) |
EP (1) | EP1066050B2 (de) |
JP (1) | JP4832640B2 (de) |
AT (1) | ATE297750T1 (de) |
CA (1) | CA2325735C (de) |
DE (1) | DE59912185D1 (de) |
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Cited By (11)
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WO2002022656A2 (en) * | 2000-09-13 | 2002-03-21 | Gabriele Multhoff | An hsp70 peptide stimulating natural killer (nk) cell activity and uses thereof |
JP2003523735A (ja) * | 1999-11-15 | 2003-08-12 | アンナート ファルマ エス.ア.エス. | ヒトナチュラルキラー細胞によって媒介される天然細胞毒性に関連した新規トリガリングレセプターおよび同一の性質を有する抗体 |
WO2004018002A2 (en) * | 2002-08-23 | 2004-03-04 | Gabriele Multhoff | Use of granzyme b as an hsp70/hsp70 peptide dependent inducer of apoptosis in tumor cells |
US6797480B1 (en) | 1998-10-05 | 2004-09-28 | University Of Connecticut Health Center | Purification of heat shock/stress protein cell surface receptors and their use as immunotherapeutic agents |
WO2004087208A1 (ja) * | 2003-03-27 | 2004-10-14 | Ttc Co., Ltd. | 熱ショックタンパク質と磁性微粒子からなる悪性腫瘍の温熱治療剤 |
EP1572083A2 (de) * | 2002-04-25 | 2005-09-14 | University of Connecticut Health Center | Verwendung von hitzeschockproteinen zur verbesserung des therapeutischen nutzens einer behandlungsmodalität ohne vakzine |
WO2008058728A1 (en) * | 2006-11-14 | 2008-05-22 | Georg-August-Universität Göttingen Stiftung Öffentlichen Rechts | Compositions and methods for immunotherapy |
WO2008118020A1 (en) * | 2007-03-27 | 2008-10-02 | Ipd-Therapeutics B.V. | Methods and means for stem cell proliferation and subsequent generation and expansion of progenitor cells, as well as production of effector cells as clinical therapeutics |
EP2145896A2 (de) * | 2003-11-12 | 2010-01-20 | Alfa Biogene International B.V. | Gewinnung von Hitzeschockproteinen |
WO2011154908A1 (en) * | 2010-06-08 | 2011-12-15 | National University Of Ireland, Galway | Manipulation of hsp70 and ire1alpha protein interactions |
WO2019043170A1 (en) | 2017-08-31 | 2019-03-07 | Multimmune Gmbh | POLY THERAPY BASED ON HSP70 |
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PL2659904T3 (pl) | 2008-06-26 | 2016-01-29 | Orphazyme Aps | Zastosowanie Hsp70 jako regulatora aktywności enzymatycznej |
WO2011007176A1 (en) * | 2009-07-15 | 2011-01-20 | Genome Research Limited | Cells, compositions and methods |
PL2646044T3 (pl) | 2010-11-30 | 2020-03-31 | Orphazyme A/S | Sposoby zwiększenia aktywności wewnątrzkomórkowej Hsp70 |
AU2013207466A1 (en) * | 2012-01-05 | 2014-06-12 | Beech Tree Labs, Inc. | Method of treating cancer by administration of low levels of heat shock protein 70 (Hsp70) |
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US10898476B2 (en) | 2016-04-13 | 2021-01-26 | Orphazyme A/S | Heat shock proteins and cholesterol homeostasis |
EP3782624A1 (de) | 2016-04-29 | 2021-02-24 | Orphazyme A/S | Arimoclomol zur behandlung mit glucocerebrosidase assoziierten störungen |
EP4247792A1 (de) | 2020-11-19 | 2023-09-27 | Zevra Denmark A/S | Verfahren zur herstellung von arimoclomolcitrat und zwischenprodukten davon |
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US5591632A (en) † | 1987-03-02 | 1997-01-07 | Beth Israel Hospital | Recombinant BCG |
EP0527783A4 (en) | 1990-04-06 | 1993-09-01 | Wake Forest University | Method of treatment with hsp70 |
US5348945A (en) † | 1990-04-06 | 1994-09-20 | Wake Forest University | Method of treatment with hsp70 |
WO1993021529A1 (en) † | 1992-04-14 | 1993-10-28 | Duke University | Method of detecting tumors containing complexes of p53 and hsp70 |
DE4228389C2 (de) | 1992-08-26 | 1994-07-21 | Kuebler Gmbh Dr | Gewinnung und Kultivierung transformierter Zellen |
GB9223816D0 (en) * | 1992-11-13 | 1993-01-06 | Medical Res Council | Heat shock proteins and the treatment of tumours |
US5837251A (en) * | 1995-09-13 | 1998-11-17 | Fordham University | Compositions and methods using complexes of heat shock proteins and antigenic molecules for the treatment and prevention of neoplastic diseases |
DE19647426C1 (de) * | 1996-11-15 | 1998-06-25 | Gsf Forschungszentrum Umwelt | Human-Coloncarcinom-Zellinien mit stabiler HSP72-Expression |
DE19813759C1 (de) * | 1998-03-27 | 1999-07-15 | Gsf Forschungszentrum Umwelt | Verfahren zur Induktion einer durch NK-Zellen vermittelten Immunantwort |
-
1999
- 1999-03-29 CA CA2325735A patent/CA2325735C/en not_active Expired - Fee Related
- 1999-03-29 JP JP2000540844A patent/JP4832640B2/ja not_active Expired - Fee Related
- 1999-03-29 WO PCT/EP1999/002165 patent/WO1999049881A2/de active IP Right Grant
- 1999-03-29 ES ES99913314T patent/ES2246566T5/es not_active Expired - Lifetime
- 1999-03-29 US US09/646,835 patent/US7396681B1/en not_active Expired - Fee Related
- 1999-03-29 EP EP99913314A patent/EP1066050B2/de not_active Expired - Lifetime
- 1999-03-29 DE DE59912185T patent/DE59912185D1/de not_active Expired - Lifetime
- 1999-03-29 AT AT99913314T patent/ATE297750T1/de active
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Cited By (22)
Publication number | Priority date | Publication date | Assignee | Title |
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US6797480B1 (en) | 1998-10-05 | 2004-09-28 | University Of Connecticut Health Center | Purification of heat shock/stress protein cell surface receptors and their use as immunotherapeutic agents |
JP2003523735A (ja) * | 1999-11-15 | 2003-08-12 | アンナート ファルマ エス.ア.エス. | ヒトナチュラルキラー細胞によって媒介される天然細胞毒性に関連した新規トリガリングレセプターおよび同一の性質を有する抗体 |
JP4776845B2 (ja) * | 1999-11-15 | 2011-09-21 | アンナート ファルマ エス.ア.エス. | ヒトナチュラルキラー細胞によって媒介される天然細胞毒性に関連した新規トリガリングレセプターおよび同一の性質を有する抗体 |
US7517948B2 (en) | 2000-09-13 | 2009-04-14 | Multimmune Gmbh | Hsp70 peptide stimulating natural killer (NK) cell activity and uses thereof |
WO2002022656A3 (en) * | 2000-09-13 | 2002-09-26 | Gabriele Multhoff | An hsp70 peptide stimulating natural killer (nk) cell activity and uses thereof |
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US8591890B2 (en) | 2002-04-25 | 2013-11-26 | University Of Connecticut Health Center | Using heat shock proteins to improve the therapeutic benefit of a non-vaccine treatment modality |
EP1572083A4 (de) * | 2002-04-25 | 2008-09-24 | Univ Connecticut Health Ct | Verwendung von hitzeschockproteinen zur verbesserung des therapeutischen nutzens einer behandlungsmodalität ohne vakzine |
US9352019B2 (en) | 2002-04-25 | 2016-05-31 | University Of Connecticut Health Center | Using heat shock proteins to improve the therapeutic benefit of a non-vaccine treatment modality |
EP1572083A2 (de) * | 2002-04-25 | 2005-09-14 | University of Connecticut Health Center | Verwendung von hitzeschockproteinen zur verbesserung des therapeutischen nutzens einer behandlungsmodalität ohne vakzine |
US9248172B2 (en) | 2002-04-25 | 2016-02-02 | University Of Connecticut Health Center | Using heat shock proteins to improve the therapeutic benefit of a non-vaccine treatment modality |
WO2004018002A3 (en) * | 2002-08-23 | 2004-06-17 | Gabriele Multhoff | Use of granzyme b as an hsp70/hsp70 peptide dependent inducer of apoptosis in tumor cells |
WO2004018002A2 (en) * | 2002-08-23 | 2004-03-04 | Gabriele Multhoff | Use of granzyme b as an hsp70/hsp70 peptide dependent inducer of apoptosis in tumor cells |
WO2004087208A1 (ja) * | 2003-03-27 | 2004-10-14 | Ttc Co., Ltd. | 熱ショックタンパク質と磁性微粒子からなる悪性腫瘍の温熱治療剤 |
EP2145896A2 (de) * | 2003-11-12 | 2010-01-20 | Alfa Biogene International B.V. | Gewinnung von Hitzeschockproteinen |
WO2008058728A1 (en) * | 2006-11-14 | 2008-05-22 | Georg-August-Universität Göttingen Stiftung Öffentlichen Rechts | Compositions and methods for immunotherapy |
US9193953B2 (en) | 2007-03-27 | 2015-11-24 | Ipd-Therapeutics B.V. | Methods and means for stem cell proliferation and subsequent generation and expansion of progenitor cells |
WO2008118020A1 (en) * | 2007-03-27 | 2008-10-02 | Ipd-Therapeutics B.V. | Methods and means for stem cell proliferation and subsequent generation and expansion of progenitor cells, as well as production of effector cells as clinical therapeutics |
WO2011154908A1 (en) * | 2010-06-08 | 2011-12-15 | National University Of Ireland, Galway | Manipulation of hsp70 and ire1alpha protein interactions |
WO2019043170A1 (en) | 2017-08-31 | 2019-03-07 | Multimmune Gmbh | POLY THERAPY BASED ON HSP70 |
Also Published As
Publication number | Publication date |
---|---|
EP1066050B2 (de) | 2010-06-02 |
WO1999049881A3 (de) | 1999-12-23 |
ES2246566T5 (es) | 2010-10-26 |
CA2325735C (en) | 2013-06-04 |
CA2325735A1 (en) | 1999-10-07 |
US7396681B1 (en) | 2008-07-08 |
EP1066050B1 (de) | 2005-06-15 |
DE59912185D1 (de) | 2005-07-21 |
ATE297750T1 (de) | 2005-07-15 |
JP2002509892A (ja) | 2002-04-02 |
EP1066050A2 (de) | 2001-01-10 |
ES2246566T3 (es) | 2006-02-16 |
JP4832640B2 (ja) | 2011-12-07 |
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