Patents by Inventor Alexander B. Sigalov
Alexander B. Sigalov has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 12168034Abstract: Peptides are provided consisting of L- and/or D-amino acids and combinations thereof, which affect myeloid cells by action on the triggering receptors expressed on myeloid cells (TREMs), including TREM-1 and TREM-2. The peptides act on the TREM/DAP-12 signaling complex. Also provided are lipid and sugar conjugated peptides comprising L- or D-amino acids. A method is provided of designing the peptides and lipid- and/or sugar-conjugated peptides comprising L- or D-amino acids. The disclosure relates to the therapy of various myeloid cell-related disease states involving the use of these peptides and compounds. The peptides and compounds are useful in the treatment and/or prevention of a disease or condition where myeloid cells are involved or recruited. The peptides of the present invention also are useful in the production of medical devices comprising peptide matrices (for example, medical implants and implantable devices).Type: GrantFiled: April 4, 2023Date of Patent: December 17, 2024Assignee: SIGNABLOK, INC.Inventor: Alexander B. Sigalov
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Publication number: 20240307565Abstract: A new approach to targeting imaging agents to macrophage-rich sites of interest is disclosed. Compositions of the invention are rHDL and HDL-like liposomal compositions, protein constituents of which, apolipoproteins A-I and/or A-II or fragments thereof are used not only as structural but also as targeting agents. This is achieved by certain controlled chemical or enzymatic modification of apolipoproteins A-I or A-II or fragments thereof. Such modification converts these apolipoproteins to substrates for macrophage scavenger receptors and results in the improvement of contrast agent-(HDL/modified apolipoprotein)-particle association with macrophages and/or absorption (uptake) by macrophages when compared to that of the contrast agent-(HDL/apolipoprotein)-particle constructed with non-modified naturally occurring apo A-I.Type: ApplicationFiled: June 7, 2024Publication date: September 19, 2024Inventor: Alexander B. Sigalov
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Patent number: 12036294Abstract: A new approach to targeting imaging agents to macrophage-rich sites of interest is disclosed. Compositions of the invention are rHDL and HDL-like liposomal compositions, protein constituents of which, apolipoproteins A-I and/or A-II or fragments thereof are used not only as structural but also as targeting agents. This is achieved by certain controlled chemical or enzymatic modification of apolipoproteins A-I or A-II or fragments thereof. Such modification converts these apolipoproteins to substrates for macrophage scavenger receptors and results in the improvement of contrast agent-(HDL/modified apolipoprotein)-particle association with macrophages and/or absorption (uptake) by macrophages when compared to that of the contrast agent-(HDL/apolipoprotein)-particle constructed with non-modified naturally occurring apo A-I.Type: GrantFiled: December 3, 2020Date of Patent: July 16, 2024Assignee: SIGNABLOK, INC.Inventor: Alexander B Sigalov
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Publication number: 20230364179Abstract: Peptides are provided consisting of L- and/or D-amino acids and combinations thereof, which affect myeloid cells by action on the triggering receptors expressed on myeloid cells (TREMs), including TREM-1 and TREM-2. The peptides act on the TREM/DAP-12 signaling complex. Also provided are lipid and sugar conjugated peptides comprising L- or D-amino acids. A method is provided of designing the peptides and lipid- and/or sugar-conjugated peptides comprising L- or D- amino acids. The disclosure relates to the therapy of various myeloid cell-related disease states involving the use of these peptides and compounds. The peptides and compounds are useful in the treatment and/or prevention of a disease or condition where myeloid cells are involved or recruited. The peptides of the present invention also are useful in the production of medical devices comprising peptide matrices (for example, medical implants and implantable devices).Type: ApplicationFiled: April 4, 2023Publication date: November 16, 2023Inventor: Alexander B. Sigalov
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Patent number: 11638739Abstract: Peptides are provided consisting of L- and/or D-amino acids and combinations thereof, which affect myeloid cells by action on the triggering receptors expressed on myeloid cells (TREMs), including TREM-1 and TREM-2. The peptides act on the TREM/DAP-12 signaling complex. Also provided are lipid and sugar conjugated peptides comprising L- or D-amino acids. A method is provided of designing the peptides and lipid- and/or sugar-conjugated peptides comprising L- or D-amino acids. The disclosure relates to the therapy of various myeloid cell-related disease states involving the use of these peptides and compounds. The peptides and compounds are useful in the treatment and/or prevention of a disease or condition where myeloid cells are involved or recruited. The peptides of the present invention also are useful in the production of medical devices comprising peptide matrices (for example, medical implants and implantable devices).Type: GrantFiled: April 25, 2018Date of Patent: May 2, 2023Assignee: SIGNABLOK, INC.Inventor: Alexander B. Sigalov
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Publication number: 20220259267Abstract: The present invention provides compositions comprising peptides derived from amino acid sequences (or from combinations thereof) of fusion and other protein regions of various viruses, including but not limited to, severe acute respiratory syndrome coronavirus, herpesvirus saimiri, human herpesvirus 6, Lassa virus, lymphocytic choriomeningitis virus, Mopeia virus, Tacaribe virus, Friend murine leukemia virus; human T lymphotropic virus type 1; herpesvirus ateles; Marburg virus; Sudan Ebola virus; Zaire Ebola virus, and comprising L- and/or D-amino acids and combinations thereof, which affect T cells by acting on the T cell antigen receptor (TCR). More specifically, the peptides act on the TCR??-CD3??-CD3??-?? signaling complex. Yet more specifically, the peptides act on the TCR?/CD3??/?? signaling module of TCR. The present invention further relates to the prevention and therapy of various T cell-related disease states involving the use of these compositions.Type: ApplicationFiled: December 18, 2019Publication date: August 18, 2022Inventor: Alexander B Sigalov
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Publication number: 20210322508Abstract: The invention disclosed herein provides compositions and methods of treating cancer and other diseases related to activated immune cells using modulators of the TREM-1/DAP-12 signaling pathway. The compositions, including peptides and peptide variants, modulate TREM-1-mediated immunological response as standalone and combination-therapy treatment regimen. Further, methods are provided for predicting the efficacy of TREM-1 modulatory therapies in patients. In one embodiment, the present invention relates to targeted treatment, prevention and/or detection of cancer including but not limited to lung cancer including non-small cell lung cancer, pancreatic cancer, giant cell tumor of the tendon sheath, tenosynovial giant cell tumor, pigmented villonodular synovitis, cancer cachexia, etc., and other cancers associated with myeloid cell activation and recruitment.Type: ApplicationFiled: August 13, 2019Publication date: October 21, 2021Inventor: Alexander B. Sigalov
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Patent number: 11097020Abstract: The disclosure provides compounds and compositions, and methods of using these compounds and compositions, for the targeted delivery of therapeutic agents. In one embodiment, these compositions are used for the tumor-targeted delivery of chemotherapeutic agents useful for treating cancer.Type: GrantFiled: February 16, 2011Date of Patent: August 24, 2021Assignee: SIGNABLOK, INC.Inventor: Alexander B. Sigalov
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Publication number: 20210205485Abstract: A new approach to targeting imaging agents to macrophage-rich sites of interest is disclosed. Compositions of the invention are rHDL and HDL-like liposomal compositions, protein constituents of which, apolipoproteins A-I and/or A-II or fragments thereof are used not only as structural but also as targeting agents. This is achieved by certain controlled chemical or enzymatic modification of apolipoproteins A-I or A-II or fragments thereof. Such modification converts these apolipoproteins to substrates for macrophage scavenger receptors and results in the improvement of contrast agent-(HDL/modified apolipoprotein)-particle association with macrophages and/or absorption (uptake) by macrophages when compared to that of the contrast agent-(HDL/apolipoprotein)-particle constructed with non-modified naturally occurring apo A-I.Type: ApplicationFiled: December 3, 2020Publication date: July 8, 2021Inventor: Alexander B. Sigalov
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Patent number: 10894098Abstract: A new approach to targeting imaging agents to macrophage-rich sites of interest is disclosed. Compositions of the invention are rHDL and HDL-like liposomal compositions, protein constituents of which, apolipoproteins A-I and/or A-II or fragments thereof are used not only as structural but also as targeting agents. This is achieved by certain controlled chemical or enzymatic modification of apolipoproteins A-I or A-II or fragments thereof. Such modification converts these apolipoproteins to substrates for macrophage scavenger receptors and results in the improvement of contrast agent-(HDL/modified apolipoprotein)-particle association with macrophages and/or absorption (uptake) by macrophages when compared to that of the contrast agent-(HDL/apolipoprotein)-particle constructed with non-modified naturally occurring apo A-I.Type: GrantFiled: December 12, 2019Date of Patent: January 19, 2021Assignee: Signablok, Inc.Inventor: Alexander B Sigalov
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Publication number: 20200123205Abstract: The present invention provides compositions comprising peptides derived from amino acid sequences (or from combinations thereof) of fusion and other protein regions of various viruses, including but not limited to, severe acute respiratory syndrome coronavirus, herpesvirus saimiri, human herpesvirus 6, Lassa virus, lymphocytic choriomeningitis virus, Mopeia virus, Tacaribe virus, Friend murine leukemia virus; human T lymphotropic virus type 1; herpesvirus ateles; Marburg virus; Sudan Ebola virus; Zaire Ebola virus, and comprising L- and/or D-amino acids and combinations thereof, which affect T cells by acting on the T cell antigen receptor (TCR). More specifically, the peptides act on the TCR??-CD3??-CD3??-?? signaling complex. Yet more specifically, the peptides act on the TCR?/CD3??/?? signaling module of TCR. The present invention further relates to the prevention and therapy of various T cell-related disease states involving the use of these compositions.Type: ApplicationFiled: December 18, 2019Publication date: April 23, 2020Inventor: Alexander B Sigalov
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Publication number: 20200101178Abstract: A new approach to targeting imaging agents to macrophage-rich sites of interest is disclosed. Compositions of the invention are rHDL and HDL-like liposomal compositions, protein constituents of which, apolipoproteins A-I and/or A-II or fragments thereof are used not only as structural but also as targeting agents. This is achieved by certain controlled chemical or enzymatic modification of apolipoproteins A-I or A-II or fragments thereof. Such modification converts these apolipoproteins to substrates for macrophage scavenger receptors and results in the improvement of contrast agent-(HDL/modified apolipoprotein)-particle association with macrophages and/or absorption (uptake) by macrophages when compared to that of the contrast agent-(HDL/apolipoprotein)-particle constructed with non-modified naturally occurring apo A-I.Type: ApplicationFiled: December 12, 2019Publication date: April 2, 2020Inventor: Alexander B Sigalov
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Patent number: 10538558Abstract: The present invention provides compositions comprising peptides derived from amino acid sequences (or from combinations thereof) of fusion and other protein regions of various viruses, including but not limited to, severe acute respiratory syndrome coronavirus, herpesvirus saimiri, human herpesvirus 6, Lassa virus, lymphocytic choriomeningitis virus, Mopeia virus, Tacaribe virus, Friend murine leukemia virus; human T lymphotropic virus type 1; herpesvirus ateles; Marburg virus; Sudan Ebola virus; Zaire Ebola virus, and comprising L- and/or D-amino acids and combinations thereof, which affect T cells by acting on the T cell antigen receptor (TCR). More specifically, the peptides act on the TCR??-CD3??-CD3??-?? signaling complex. Yet more specifically, the peptides act on the TCR?/CD3??/?? signaling module of TCR. The present invention further relates to the prevention and therapy of various T cell-related disease states involving the use of these compositions.Type: GrantFiled: October 22, 2018Date of Patent: January 21, 2020Assignee: SIGNABLOK, INCInventor: Alexander B. Sigalov
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Patent number: 10525152Abstract: A new approach to targeting imaging agents to macrophage-rich sites of interest is disclosed. Compositions of the invention are rHDL and HDL-like liposomal compositions, protein constituents of which, apolipoproteins A-I and/or A-II or fragments thereof are used not only as structural but also as targeting agents. This is achieved by certain controlled chemical or enzymatic modification of apolipoproteins A-I or A-II or fragments thereof. Such modification converts these apolipoproteins to substrates for macrophage scavenger receptors and results in the improvement of contrast agent-(HDL/modified apolipoprotein)-particle association with macrophages and/or absorption (uptake) by macrophages when compared to that of the contrast agent-(HDL/apolipoprotein)-particle constructed with non-modified naturally occurring apo A-I.Type: GrantFiled: October 10, 2010Date of Patent: January 7, 2020Assignee: Signablok, Inc.Inventor: Alexander B. Sigalov
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Publication number: 20190241618Abstract: The present invention provides compositions comprising peptides derived from amino acid sequences (or from combinations thereof) of fusion and other protein regions of various viruses, including but not limited to, severe acute respiratory syndrome coronavirus, herpesvirus saimiri, human herpesvirus 6, Lassa virus, lymphocytic choriomeningitis virus, Mopeia virus, Tacaribe virus, Friend murine leukemia virus; human T lymphotropic virus type 1; herpesvirus ateles; Marburg virus; Sudan Ebola virus; Zaire Ebola virus, and comprising L- and/or D-amino acids and combinations thereof, which affect T cells by acting on the T cell antigen receptor (TCR). More specifically, the peptides act on the TCR??-CD3??-CD3??-?? signaling complex. Yet more specifically, the peptides act on the TCR?/CD3??/?? signaling module of TCR. The present invention further relates to the prevention and therapy of various T cell-related disease states involving the use of these compositions.Type: ApplicationFiled: October 22, 2018Publication date: August 8, 2019Inventor: Alexander B. Sigalov
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Publication number: 20190117725Abstract: Peptides are provided consisting of L- and/or D-amino acids and combinations thereof, which affect myeloid cells by action on the triggering receptors expressed on myeloid cells (TREMs), including TREM-1 and TREM-2. The peptides act on the TREM/DAP-12 signaling complex. Also provided are lipid and sugar conjugated peptides comprising L- or D-amino acids. A method is provided of designing the peptides and lipid- and/or sugar-conjugated peptides comprising L- or D-amino acids. The disclosure relates to the therapy of various myeloid cell-related disease states involving the use of these peptides and compounds. The peptides and compounds are useful in the treatment and/or prevention of a disease or condition where myeloid cells are involved or recruited. The peptides of the present invention also are useful in the production of medical devices comprising peptide matrices (for example, medical implants and implantable devices).Type: ApplicationFiled: April 25, 2018Publication date: April 25, 2019Inventor: Alexander B. Sigalov
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Patent number: 10138276Abstract: The present invention provides compositions comprising peptides derived from amino acid sequences (or from combinations thereof) of fusion and other protein regions of various viruses, including but not limited to, severe acute respiratory syndrome coronavirus, herpesvirus saimiri, human herpesvirus 6, Lassa virus, lymphocytic choriomeningitis virus, Mopeia virus, Tacaribe virus, Friend murine leukemia virus; human T lymphotropic virus type 1; herpesvirus ateles; Marburg virus; Sudan Ebola virus; Zaire Ebola virus, and comprising L- and/or D-amino acids and combinations thereof, which affect T cells by acting on the T cell antigen receptor (TCR). More specifically, the peptides act on the TCR??-CD3??-CD3??-?? signaling complex. Yet more specifically, the peptides act on the TCR?/CD3??/?? signaling module of TCR. The present invention further relates to the prevention and therapy of various T cell-related disease states involving the use of these compositions.Type: GrantFiled: September 30, 2010Date of Patent: November 27, 2018Assignee: SIGNABLOK, Inc.Inventor: Alexander B. Sigalov
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Patent number: 9981004Abstract: Peptides are provided consisting of L- and/or D-amino acids and combinations thereof, which affect myeloid cells by action on the triggering receptors expressed on myeloid cells (TREMs), including TREM-1 and TREM-2. The peptides act on the TREM/DAP-12 signaling complex. Also provided are lipid and sugar conjugated peptides comprising L- or D-amino acids. A method is provided of designing the peptides and lipid- and/or sugar-conjugated peptides comprising L- or D-amino acids. The disclosure relates to the therapy of various myeloid cell-related disease states involving the use of these peptides and compounds. The peptides and compounds are useful in the treatment and/or prevention of a disease or condition where myeloid cells are involved or recruited. The peptides of the present invention also are useful in the production of medical devices comprising peptide matrices (for example, medical implants and implantable devices).Type: GrantFiled: July 12, 2013Date of Patent: May 29, 2018Assignee: SignaBlok, Inc.Inventor: Alexander B. Sigalov
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Publication number: 20140154291Abstract: Peptides are provided consisting of L- and/or D-amino acids and combinations thereof, which affect myeloid cells by action on the triggering receptors expressed on myeloid cells (TREMs), including TREM-1 and TREM-2. The peptides act on the TREM/DAP-12 signaling complex. Also provided are lipid and sugar conjugated peptides comprising L- or D-amino acids. A method is provided of designing the peptides and lipid- and/or sugar-conjugated peptides comprising L- or D-amino acids. The disclosure relates to the therapy of various myeloid cell-related disease states involving the use of these peptides and compounds. The peptides and compounds are useful in the treatment and/or prevention of a disease or condition where myeloid cells are involved or recruited. The peptides of the present invention also are useful in the production of medical devices comprising peptide matrices (for example, medical implants and implantable devices).Type: ApplicationFiled: July 12, 2013Publication date: June 5, 2014Applicant: SIGNABLOK, INC.Inventor: Alexander B. Sigalov
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Patent number: 8614188Abstract: The present invention provides peptides consisting of L- and/or D-amino acids and combinations thereof, which affect platelets by action on the collagen receptor, glycoprotein VI (GPVI). More specifically, however, the peptides act on the GPVI-FcR? signaling complex. The invention also provides lipid and sugar conjugated peptides comprising L- or D-amino acids. The invention still further provides a method of designing of the peptides and lipid- and/or sugar-conjugated peptides comprising L- or D-amino acids. The present invention further relates to the therapy of various disease states involving the use of these peptides and compounds. Specifically, the peptides and compounds are useful in the treatment and/or prevention of a disease or condition involving platelet activation and aggregation, and more particularly, collagen-induced platelet activation and aggregation. They also are useful in the production of medical devices comprising peptide matrices (i.e., for example, cardiovascular stents).Type: GrantFiled: April 25, 2012Date of Patent: December 24, 2013Assignee: University of MassachusettsInventor: Alexander B. Sigalov