Abstract: The disclosure relates to a pharmaceutical composition comprising any one or combination of PIF peptides or analogs or pharmaceutically acceptable salts thereof. Methods of treating autoimmune disease using the one or a combination of PIF peptide or analogs thereof or pharmaceutically acceptable salts thereof is also disclosed.

Abstract: The disclosure relates to a pharmaceutical composition comprising any one or combination of PIF peptides or analogs or pharmaceutically acceptable salts thereof. Methods of treating cellular neurodamage or neurotrauma to the peripheral or central nervous system using the one or a combination of PIF peptide or analogs thereof or pharmaceutically acceptable salts thereof is also disclosed.

Abstract: Pre-implantation factor (PIF) may be used to treat intracellular damage. Aspects of the invention are directed to a method of treating intracellular damage comprising administering PIF to a subject in need thereof. Some aspects may be directed to methods of increasing cytokine secretion in response to intracellular damage comprising administering PIF to a subject in need thereof. The intracellular damage may be a result of a disease such as Listeria monocytogenes infection, malaria, Lyme disease, cardiovascular disease, duodenal peptic ulcer, atherosclerosis, peritonitis or tuberculosis. In some aspects, a method of treating tuberculosis is disclosed, comprising administering PIF to a subject in need thereof. In some aspects, a method of treating atherosclerosis is disclosed, comprising administering PIF to a subject in need thereof. In some aspects, a method of treating peritonitis is disclosed, comprising administering PIF to a subject in need thereof.

Abstract: A novel class of embryo derived peptides are described (Preimplantation factor) that were generated synthetically and were tested on peripheral blood immune cells and shown to block activated but not basal immunity, inhibiting cell proliferation and creating a TH2 type cytokine bias, in addition PIF enhance endometrial receptivity by increasing adhesion molecules expression. PIF biological activity appears to be exerted by specific binding to inducible receptors present on the several white cell lineages. PIF peptides, which are immune modulators therefore may have diagnostic and non toxic therapeutic applications in improving fertility, reducing pregnancy loss as well may be useful when administered for the treatment of autoimmune diseases and for prevention xenotransplants rejection.

Abstract: Pre-implantation factor (PIF) may be used to treat intracellular damage. Aspects of the invention are directed to a method of treating intracellular damage comprising administering PIF to a subject in need thereof. Some aspects may be directed to methods of increasing cytokine secretion in response to intracellular damage comprising administering PIF to a subject in need thereof. The intracellular damage may be a result of a disease such as Listeria monocytogenes infection, malaria, Lyme disease, cardiovascular disease, duodenal peptic ulcer, atherosclerosis, peritonitis or tuberculosis. In some aspects, a method of treating tuberculosis is disclosed, comprising administering PIF to a subject in need thereof. In some aspects, a method of treating atherosclerosis is disclosed, comprising administering PIF to a subject in need thereof. In some aspects, a method of treating peritonitis is disclosed, comprising administering PIF to a subject in need thereof.

Abstract: A novel class of embryo derived peptides are described (Preimplantation factor) that were generated synthetically and were tested on peripheral blood immune cells and shown to block activated but not basal immunity, inhibiting cell proliferation and creating a TH2 type cytokine bias, in addition PIF enhance endometrial receptivity by increasing adhesion molecules expression. PIF biological activity appears to be exerted by specific binding to inducible receptors present on the several white cell lineages. PIF peptides, which are immune modulators therefore may have diagnostic and non toxic therapeutic applications in improving fertility, reducing pregnancy loss as well may be useful when administered for the treatment of autoimmune diseases and for prevention xenotransplants rejection.

Abstract: The disclosure relates to a pharmaceutical composition comprising any one or combination of PIF peptides or analogs or pharmaceutically acceptable salts thereof. Methods of treating cellular neurodamage or neurotrauma to the peripheral or central nervous system using the one or a combination of PIF peptide or analogs thereof or pharmaceutically acceptable salts thereof is also disclosed.

Abstract: The disclosure relates to a pharmaceutical composition comprising any one or combination of PIF peptides or analogs or pharmaceutically acceptable salts thereof. Methods of treating autoimmune disease using the one or a combination of PIF peptide or analogs thereof or pharmaceutically acceptable salts thereof is also disclosed.

Abstract: Embodiments are directed to methods of examining preimplantation factor (PIF) binding to a subject's circulating immune cells as a marker for immune dysregulation. Some embodiments are directed to methods of detecting a level of immune dysregulation sufficient to cause recurrent pregnancy loss (RPL), methods of detecting a level of immune dysfunction sufficient to cause endometriosis, and methods of detecting a level of immune dysfunction comprising administering an effective amount of PIF or an analog thereof, and examining its binding to circulating immune cells. Within those methods, an about twenty percent change in PIF binding to a subject's circulating immune cells indicates a level of immune dysfunction.

Abstract: A novel class of embryo derived peptides are described (Preimplantation factor) that were generated synthetically and were tested on peripheral blood immune cells and shown to block activated but not basal immunity, inhibiting cell proliferation and creating a TH2 type cytokine bias, in addition PIF enhance endometrial receptivity by increasing adhesion molecules expression. PIF biological activity appears to be exerted by specific binding to inducible receptors present on the several white cell lineages. PIF peptides, which are immune modulators therefore may have diagnostic and non toxic therapeutic applications in improving fertility, reducing pregnancy loss as well may be useful when administered for the treatment of autoimmune diseases and for prevention xenotransplants rejection.

Abstract: Pre-implantation factor (PIF) may be used to treat intracellular damage. Aspects of the invention are directed to a method of treating intracellular damage comprising administering PIF to a subject in need thereof. Some aspects may be directed to methods of increasing cytokine secretion in response to intracellular damage comprising administering PIF to a subject in need thereof. The intracellular damage may be a result of a disease such as Listeria monocytogenes infection, malaria, Lyme disease, cardiovascular disease, duodenal peptic ulcer, atherosclerosis, peritonitis or tuberculosis. In some aspects, a method of treating tuberculosis is disclosed, comprising administering PIF to a subject in need thereof. In some aspects, a method of treating atherosclerosis is disclosed, comprising administering PIF to a subject in need thereof. In some aspects, a method of treating peritonitis is disclosed, comprising administering PIF to a subject in need thereof.

Abstract: Embodiments are directed to methods of examining preimplantation factor (PIF) binding to a subject's circulating immune cells as a marker for immune dysregulation. Some embodiments are directed to methods of detecting a level of immune dysregulation sufficient to cause recurrent pregnancy loss (RPL), methods of detecting a level of immune dysfunction sufficient to cause endometriosis, and methods of detecting a level of immune dysfunction comprising administering an effective amount of PIF or an analog thereof, and examining its binding to circulating immune cells. Within those methods, an about twenty percent change in PIF binding to a subject's circulating immune cells indicates a level of immune dysfunction.

Abstract: Embodiments are directed to a method of treating acute radiation syndrome comprising administering to a subject following exposure to radiation a PIF peptide. Some embodiments describe a method of treating acute radiation syndrome following radiation exposure comprising transplanting bone marrow that has been exposed to a PIF peptide prior to transplantation into a subject. Other embodiments describe a method of increasing engraftment of a transplanted organ, tissue, or cell by pre-exposing the organ, tissue, or cell to a PIF peptide.

Abstract: A novel class of embryo derived peptides are described (Preimplantation factor) that were generated synthetically and were tested on peripheral blood immune cells and shown to block activated but not basal immunity, inhibiting cell proliferation and creating a TH2 type cytokine bias, in addition PIF enhance endometrial receptivity by increasing adhesion molecules expression. PIF biological activity appears to be exerted by specific binding to inducible receptors present on the several white cell lineages. PIF peptides, which are immune modulators therefore may have diagnostic and non toxic therapeutic applications in improving fertility, reducing pregnancy loss as well may be useful when administered for the treatment of autoimmune diseases and for prevention xenotransplants rejection.

Abstract: Pre-implantation factor (PIF) may be used to treat intracellular damage. Aspects of the invention are directed to a method of treating intracellular damage comprising administering PIF to a subject in need thereof. Some aspects may be directed to methods of increasing cytokine secretion in response to intracellular damage comprising administering PIF to a subject in need thereof. The intracellular damage may be a result of a disease such as Listeria monocytogenes infection, malaria, Lyme disease, cardiovascular disease, duodenal peptic ulcer, atherosclerosis, peritonitis or tuberculosis. In some aspects, a method of treating tuberculosis is disclosed, comprising administering PIF to a subject in need thereof. In some aspects, a method of treating atherosclerosis is disclosed, comprising administering PIF to a subject in need thereof. In some aspects, a method of treating peritonitis is disclosed, comprising administering PIF to a subject in need thereof.

Abstract: A novel class of embryo derived peptides are described (Preimplantation factor) that were generated synthetically and were tested on peripheral blood immune cells and shown to block activated but not basal immunity, inhibiting cell proliferation and creating a TH2 type cytokine bias, in addition PIF enhance endometrial receptivity by increasing adhesion molecules expression. PIF biological activity appears to be exerted by specific binding to inducible receptors present on the several white cell lineages. PIF peptides, which are immune modulators therefore may have diagnostic and non toxic therapeutic applications in improving fertility, reducing pregnancy loss as well may be useful when administered for the treatment of autoimmune diseases and for prevention xenotransplants rejection.

Abstract: A novel class of embryo derived peptides are described (Preimplantation factor) that were generated synthetically and were tested on peripheral blood immune cells and shown to block activated but not basal immunity, inhibiting cell proliferation and creating a TH2 type cytokine bias. In addition PIF peptides enhance endometrial receptivity by increasing adhesion molecules expression. PIF biological activity appears to be exerted by specific binding to inducible receptors present on the several white cell lineages. PIF peptides, which are immune modulators, therefore may have diagnostic and non toxic therapeutic applications in improving fertility, reducing pregnancy loss as well may be useful when administered for the treatment of autoimmune diseases and for prevention xenotransplants rejection.

Abstract: The present invention relates to assay methods used for detecting the presence of PIF, and to PIF peptides identified using this assay. In particular, the present invention relates to flow cytometry assays for detecting PIF. It is based, at least in part, on the observation that flow cytometry using fluorescently labeled anti-lymphocyte and anti-platelet antibodies demonstrated an increase in rosette formation in the presence of PIF. It is further based on the observation that flow cytometry demonstrated that monoclonal antibody binding to CD2 decreased in the presence of PIF. The present invention further relates to PIF peptides which, when added to Jurkat cell cultures, have been observed to either (i) decrease binding of anti-CD2 antibody to Jurkat cells; (ii) increase expression of CD2 in Jurkat cells; or (iii) decrease Jurkat cell viability.

Abstract: The present invention relates to assay methods used for detecting the presence of PIF, and to PIF peptides identified using this assay. In particular, the present invention relates to flow cytometry assays for detecting PIF. It is based, at least in part, on the observation that flow cytometry using fluorescently labeled anti-lymphocyte and anti-platelet antibodies demonstrated an increase in rosette formation in the presence of PIF. It is further based on the observation that flow cytometry demonstrated that monoclonal antibody binding to CD2 decreased in the presence of PIF. The present invention further relates to PIF peptides which, when added to Jurkat cell cultures, have been observed to either (i) decrease binding of anti-CD2 antibody to Jurkat cells; (ii) increase expression of CD2 in Jurkat cells; or (iii) decrease Jurkat cell viability.

Abstract: The present invention relates to assay methods used for detecting the presence of PIF, and to PIF peptides identified using this assay. In particular, the present invention relates to flow cytometry assays for detecting PIF. It is based, at least in part, on the observation that flow cytometry using fluorescently labeled anti-lymphocyte and anti-platelet antibodies demonstrated an increase in rosette formation in the presence of PIF. It is further based on the observation that flow cytometry demonstrated that monoclonal antibody binding to CD2 decreased in the presence of PIF. The present invention further relates to PIF peptides which, when added to Jurkat cell cultures, have been observed to either (i) decrease binding of anti-CD2 antibody to Jurkat cells; (ii) increase expression of CD2 in Jurkat cells; or (iii) decrease Jurkat cell viability.