Abstract: Nanolipoprotein particles comprising at least a scaffold protein component and a membrane lipid component and related complexes, compositions, methods and systems are described, in which the membrane lipid component comprises at least one or more membrane forming lipids and one or more cationic lipids.

Abstract: A reconstituted high density lipoprotein formulation having relatively low toxicity comprises an apolipoprotein such as ApoAI or fragment thereof, a lipid and a detergent at a level which is about 5-50% of that which would normally cause liver toxicity upon administration to a human. The lipid is optimally phosphatidylcholine at about 30-50 g/L and the molar ratio of apolipoprotein:lipid is optimally in the range 1:40 to 1:75. The formulation is useful for treating diseases or conditions such as cardiovascular disease, hypercholesterolaemia and hypocholesterolaemia inclusive of acute coronary syndrome (ACS), atherosclerosis and myocardial infarction.

Abstract: Herein is reported a method for purifying a polypeptide comprising the steps of i) applying a solution comprising the polypeptide to an ion exchange chromatography material, and ii) recovering the polypeptide with a solution comprising a denaturant and thereby purifying the polypeptide, whereby the ion exchange chromatography material comprises a matrix of cross-linked poly (styrene-divinylbenzene) to which ionic ligands have been attached, and wherein the solution comprising the polypeptide applied to the ion exchange chromatography material is free of the denaturant and the polypeptide adsorbed to the ion exchange chromatography material is recovered with a solution comprising a denaturant at a constant conductivity.

Abstract: A reconstituted high density lipoprotein formulation having relatively low toxicity comprises an apolipoprotein such as ApoAI or fragment thereof, a lipid and a detergent at a level which is about 5-50% of that which would normally cause liver toxicity upon administration to a human. The lipid is optimally phosphatidylcholine at about 30-50 g/L and the molar ratio of apolipoprotein:lipid is optimally in the range 1:40 to 1:75. The formulation is useful for treating diseases or conditions such as cardiovascular disease, hypercholesterolaemia and hypocholesterolaemia inclusive of acute coronary syndrome (ACS), atherosclerosis and myocardial infarction.

Abstract: Systems and methods for acquiring, preserving, and administering delipidated plasma. Extracted delipidated plasma, comprising pre-beta HDL, is obtained and are spot tested to establish baseline amounts or concentrations of pre-beta HDL. The batches are subjected to preservation, stored, and then prepared again for use at some later date. A portion of the batch may be tested again to determine if the pre-beta HDL in the delipidated plasma has degraded or is no longer effective.

Abstract: The present invention provides a method for preparing a reconstituted apolipoprotein B lipoparticle and the method comprises steps of (a) dissolving an apolipoprotein B and a lipid in a first buffer containing 2 M to 8 M urea and 1 wt % to 15 wt % amphiphilic compounds to form a mixture; and (b) dialyzing the mixture against a second buffer containing 0 M to 2M urea and 0 wt % to 0.5 wt % amphiphilic compounds for 1 to several times for lowering concentrations of the urea and the amphiphilic compounds in the mixture. The present invention further provides an apolipoprotein B lipoparticle and a use for the production of an apolipoprotein B lipoparticle used for delivering a hydrophobic substance.

Abstract: A method for purifying Apo A-I is provided including the steps of providing a solution comprising Apo A-I and guanidine hydrochloride and filtering the solution through a filter having a pore size in a range from 15 nrn to 35 nm to thereby reduce viral contamination of the Apo A-I. An Apo A-f preparation is provided having at least a 12 log LRV (log reduction value) for a parvovirus; and/or at least 9 log LRV for a non-enveloped virus; and/or at least 8.5 log LRV for a lipid enveloped virus. Also provided are pharmaceutical compositions and reconstituted high density lipoprotein formulation comprising Apo A-I and methods of treating diseases disorders or conditions.

Abstract: The present invention relates generally to a method of purifying proteins. More specifically, the present inventions relates to a method of purifying haptoglobin and hemopexin from the same starting material, and uses thereof.

Abstract: Some aspects of this disclosure provide methods and reagents for the detection of apolipoproteins in a sample, for example, a sample obtained from a human subject. Some aspects of this disclosure provide protocols and reagents for the quantification of lipoproteins and lipoprotein particle populations comprising specific combinations of non-integral apolipoproteins and integral apolipoproteins, which is useful, inter alia, for the detection of diseases such as cardiovascular disease as well as an assessment of the risk of an individual to develop a disease.

Abstract: A process is provided for the preparation of an immunoglobulin composition from a plasma fraction having immunoglobulins, and antibody preparations prepared utilizing the process.

Abstract: The present invention relates to reconstituted high density lipoprotein (rHDL) formulations comprising an apolipoprotein, a lipid and a lyophilization stabilizer. Said formulations have reduced renal toxicity and good long-term stability, especially in lyophilized form.

Abstract: Novel phenyl-glyoxal based anti-citrulline probes and methods of synthesis are provided. Methods of use, such as, the development of methods for monitoring substrate citrullination over time; for identifying citrullinated proteins from cells are described.

Abstract: An isolated peptidic fragment of apolipoprotein E comprises at least 3 contiguous amino acids, Including glycosylated threonine 194, threonine 289, serine 94, or serine 76 of SEQ ID NO.: 1, or any combination of those. An antibody capable of binding to the isolated peptidic fragment. A method of detecting a naturally-occurring circulating atherogenic low-density lipoprotein in a plasma sample from an individual, comprising qualitatively and/or quantitatively detecting in a low-density lipoprotein that binds to the antibody. A method of assessing an individual's risk of ischemic heart disease and/or atherosclerosis comprises quantifying in a plasma sample from the individual an amount of apolipoprotein E comprising glycosylated threonine 194, threonine 289, serine 94 or serine 76 of SEQ ID NO.: 1, or any combination of those.

Abstract: The invention relates to a method for detecting antibodies against the TpN17 antigen of Treponema pallidum in an isolated sample wherein a peptide sequence of Vibrio cholerae lipoprotein 15 (VcLp15) or a partial sequence thereof is used as a reagent for reduction of interference, i.e. for minimizing false positive results. In addition the invention relates to fusion polypeptides comprising a VcLp15 peptide sequence and a chaperone, to their use as an additive in an immunoassay for said reduction of interferences and for minimizing false positive results and to a reagent kit for detecting antibodies against Treponema pallidum antigens in an isolated sample comprising a TpN17 antigen and said VcLp15-chaperone fusion polypeptide.

Abstract: Provided herein are methods and systems for assembling, solubilizing and/or purifying a membrane associated protein in a nanolipoprotein particle, which comprise a temperature transition cycle performed in presence of a detergent, wherein during the temperature transition cycle the nanolipoprotein components are brought to a temperature above and below the gel to liquid crystalling transition temperature of the membrane forming lipid of the nanolipoprotein particle.

Abstract: Methods for rapidly obtaining a nanoscale apolipoprotein bound phospholipid bilayer (NABB) associated with at least one membrane protein are provided. Also disclosed are methods for rapidly obtaining a NABB not associated with membrane proteins. Immunogenic compositions comprising NABBs with native conformational epitopes are also provided along with their methods of use.

Abstract: The present invention provides synthetic immunogenic lipopeptide molecules comprising co-linear T-helper and CTL epitopes, and methods for their production and use in the generation of primary and secondary immune responses, and for the vaccination of animal subjects against particular CTL epitopes. More particularly, the present invention provides highly soluble lipopeptides wherein the lipid moiety is attached to the terminal side-chain group of an internal lysine or lysine analog, preferably to the terminal side-chain group of an internal diamino acid residue. Preferably the internal lysine or lysine analog is positioned between the T-helper epitope and the CTL epitope.

Abstract: Chimeric peptides or fusion proteins are disclosed that include a RhoGAP activity domain and at least one specificity domain that targets a specific Rho protein. The fusion proteins can be used to inhibit any GTPase activity within a cell. The fusion proteins are particularly advantageous for the treatment of cancer. The present invention generally relates to chimeric peptides capable of regulating GTPases, and more particularly, to methods of targeting individual GTPases by using GTPase-activating proteins. Such proteins may be used for the treatment of cancers and other GTPase-related diseases. This invention relates to nucleic acid molecules and the encoded GTPase activating proteins, and variants thereof, and to the use of these molecules in the characterization, diagnosis, prevention, and treatment of cell signaling, immune, and cell proliferative disorders, particularly cancer. Disclosed herein are compounds and methods for regulating transcription of a selected gene.

Abstract: This invention relates to protein separation and purification methods for both alpha-1-antitrypsin (AAT, also known as alpha-1 proteinase inhibitor, API, and A.sub.1-PI) and Apolipoprotein A-I (ApoA-1) from, for example, a fraction of human blood plasma. In certain embodiments, the invention provides methods for separating AAT from ApoA-1 at the initial stage of purification, so that the same starting material can be used as a source for both proteins. The methods further pertain to providing compositions of AAT and of ApoA-1 suitable for pharmaceutical use and are suitable for large-scale purification.

Abstract: In certain embodiments compositions are provided that comprise a pentapeptide comprising the formula: C1-X2-X3-X4-C5 where C1 and C5 are independently selected cysteines or cysteine analogues, or other amino acids with sidechains suitable for cyclization, where the cysteines or cysteine analogs are attached to each other by a linkage that does not comprise X2, X3, and X4; where X2, X3, and X4 are independently selected amino acids; and the peptide, when administered to a cell alters APP signaling and/or switches APP processing from aberrant to normal. The compositions mitigate amyloid plaque formation.

Abstract: Herein is reported a shortened tetranectin-apolipoprotein A-I fusion protein and a lipid particle comprising the shortened tetranectin-apolipoprotein A-I fusion protein as well as uses thereof.

Abstract: An apolipoprotein formulation is provided at a fixed dosage that is efficacious in the prophylactic and/or therapeutic treatment of diseases or conditions including, but not limited to cardiovascular disease, acute coronary syndrome, atherosclerosis, unstable angina pectoris, and myocardial infarction. More particularly, the fixed dosage apolipoprotein formulation displays relatively reduced inter-patient variability compared to weight-adjusted dosages. Typically, the apolipoprotein formulation is a reconstituted high density lipoprotein formulation comprising ApoA1, one or more lipids such as phosphatidylcholine, sphingomyelin and/or phosphatidylglycerol and, optionally, a detergent such as cholate at a level that does not induce liver toxicity.

Abstract: The present invention provides, in one aspect, a method for producing Apolipoprotein in a plant comprising incubating or growing a plant comprising a nucleic acid construct comprising, consisting or consisting essentially of a nucleic acid sequence encoding an Apolipoprotein fusion protein that comprises a fusion protein partner that induces the formation of a protein body in a plant, preferably, wherein the nucleic acid construct is introduced or infiltrated into the plant prior to the incubating or growing step.

Abstract: The factor H binding activity of meningococcal fHBP can be uncoupled from its bactericidal sensitivity. NMR studies have identified various amino acid residues involved in the fHBP/fH interaction and one or more of these residues is modified in a fHBP to reduce or eliminate its ability to bind to fH.

Abstract: An invention relates to a glycan-modified soluble receptor or binding protein of a cytokine, growth factor, lipoprotein or oxidized lipoprotein, modified to carry a terminal Gal, GlcNAc or GalNAc.

Abstract: Apolipoprotein M forms a complex with sphingosine-1-phosphate (S1P) and is the carrier of S1P in high density lipoprotein particles and mediates its endothelial protective effect. Increasing the concentration of the apoM/S1P complex by administering it, either alone or in HDL particles, can prevent or treat diseases caused by endothelial cell injury, including inflammatory diseases, sepsis, atherosclerosis and acute lung injury, ischemic heart disease, stroke, vital organ failure after ischemic stress.

Abstract: A method for preserving a polypeptide comprising: (a) providing an aqueous solution of (i) the polypeptide, (ii) one or more sugars, and (iii) a compound of formula (I) or a physiologically acceptable salt or ester thereof and/or a compound of formula (II) or a physiologically acceptable salt or ester thereof; and (b) drying the solution to form a composition incorporating the polypeptide.

Abstract: Alternative and improved approaches to the heterologous expression of the proteins of Neisseria meningitidis and Neisseria gonorrhoeae are disclosed. These approaches typically affect the level of expression, the ease of purification, the cellular localization, and/or the immunological properties of the expressed protein.

Abstract: Described herein are isolated polypeptides each containing one or more receptor-binding sites of toxin A (tcdA) of Clostridium difficile (Cd), nucleic acids encoding the polypeptides, and methods of using the polypeptides and nucleic acids.

Abstract: The present invention provides methods of achieving directed evolution of viruses by in vivo screening or “panning” to identify viruses comprising scrambled AAV capsids having characteristics of interest, e.g., tropism profile and/or neutralization profile (e.g., ability to evade neutralizing antibodies). The invention also provides scrambled AAV capsids and virus particles comprising the same.

Abstract: A solid substrate for the extraction, stabilization, and storage of proteins is provided. The substrate includes: a polysaccharide, such as melezitose under a substantially dry state. The substrate is configured to extract proteins from a sample and stabilize the extracted proteins in a dry format under ambient conditions for a prolonged period of time. Methods for collecting and recovering the proteins stored in the dry solid substrate are also described.

Abstract: The invention is directed to compositions and methods related to proteins that are physically associated with ceramide-like glycolipids for use as activators of NKT cells. The compositions and methods of the present invention are useful for the prevention and treatment of diseases.

Abstract: A method of producing a virus like particle (VLP) in a plant is provided. The method comprises introducing a first nucleic acid into the plant, or portion of the plant. The first nucleic acid comprising a first regulatory region active in the plant operatively linked to a nucleotide sequence encoding a native rabies virus structural protein. The nucleotide sequence may further comprise one or more than one amplification element. Optionally, a second nucleic acid might be introduced into the plant, or portion of the plant. The second nucleic acid comprising a second regulatory region active in the plant and operatively linked to a nucleotide sequence encoding a matrix protein, for example but not limited to a rabies matrix protein. The plant or portion of the plant is incubated under conditions that permit the expression of the nucleic acids, thereby producing the VLP.

Abstract: Embodiments of the invention are directed to compositions comprising a peptide sequence, or a nucleic acid encoding the same, wherein the peptide sequence includes a receptor-binding region of apolipoprotein E (apoE), or a sequence variant or fragment thereof, for directing delivery of a given protein or therapeutic across the blood brain barrier. Embodiments of the invention are also directed to methods of using the compositions for treating or preventing a neurological disorder, disease, or symptom in a subject in need thereof.

Abstract: Described is the use of a mutation of at least one amino acid in the immunosuppressive domain of a HIV or SIV accessory protein, for modulating the immunosuppressive property of the protein.

Abstract: The present disclosure relates to lipoprotein complexes and lipoprotein populations and their use in the treatment and/or prevention of dyslipidemic diseases, disorders, and/or conditions. The disclosure further relates to recombinant expression of apolipoproteins, purification of apolipoproteins, and production of lipoprotein complexes using thermal cycling-based methods.

Abstract: Herein is reported a shortened tetranectin-apolipoprotein A-I fusion protein and a lipid particle comprising the shortened tetranectin-apolipoprotein A-I fusion protein as well as uses thereof.

Abstract: The present disclosure provides charged lipoprotein complexes that include as one component a negatively charged phospholipid that is expected to impart the complexes with improved therapeutic properties.

Abstract: The present invention relates to methods for the separation of various components from eggs. More particularly, the present invention relates to methods for the separation of proteins and lipids from eggs, including technical eggs (inedible) or edible eggs, yolks or whites, which comprises cross-linking the lipids of eggs with a cross-linking reagent. In an embodiment, the method includes separating the proteins from the cross-linked lipids. In an embodiment, the method includes the separation of various components associated with the cross-linked lipids. The methods disclosed herein allow for the isolation of multiple different components from the egg in an efficient, cost-effective manner without compromising the recovery process of the components or their subsequent utility in various applications or compositions. The compositions and isolated components obtained by the methods of the invention can be used in pharmaceutical, medical, nutritional, cosmetic or health applications.

Abstract: Novel isoforms of apolipoprotein C-I (apoC-I), namely apolipoprotein C-I1 (apoC-I1) and apolipoprotein C-I1? (apoC-I1?), both of which have a molecular weight of approximately 90 daltons greater than native apolipoprotein C-I (SEQ ID NO:6) and native apolipoprotein C-I? (SEQ ID NO:7), are shown to be both biomarkers for diagnosing atherosclerotic disease as well as risk factors for subjects having increased risk of developing an atherosclerotic disease.

Abstract: Compositions comprising pegylated high density lipoprotein (HDL) particles, methods for producing compositions comprising pegylated HDL particles, and methods of treating various diseases and conditions using pegylated HDL particles are provided.

Abstract: The invention provides compositions and methods for assessing the capacity of high density lipoprotein (HDL) to support reverse cholesterol transport in blood by measuring exchange if HDL-specific spin-labeled lipoprotein probes and electron paramagnetic spectroscopy. The invention also provides methods to identify individuals at risk for cardiovascular disease, to monitor the treatment of cardiovascular disease and in the development of therapies to treat cardiovascular disease. The invention also provides methods to identify individuals at risk for Alzheimer's disease, to monitor the treatment of Alzheimer's disease and in the development of therapies to treat Alzheimer's disease.

Abstract: The present disclosure provides antibodies specific for an epitope present on CD22. The antibodies are useful in various treatment, diagnostic, and monitoring applications, which are also provided.

Abstract: Manufacturing and Purification Processes of Complex Protein found in Fraction IV to make a separated Apo, Transferrin, and Alpha 1 Antitrypsin (A1AT) or a combined Transferrin/Apo/Human Albumin/A1AT and all new found proteins. A complex of all proteins found currently in Plasma, Cryoprecipitate, Fraction III and many newly found proteins now being identified or any substances which are known proteins or unknown proteins which contain good healthy cells and the combination of any of these known or unknown proteins which contain any one of these good healthy cells: Neutrophil, Lymphocyte, Eosinophil, Basophil, and Macrophage, and their potential applications for treating a wide variety of diseases and other physical conditions and disorders, and for maintaining health.

Abstract: The present invention includes compositions and methods for the expression, secretion and use of novel compositions for use as, e.g., vaccines and antigen delivery vectors, to delivery antigens to antigen presenting cells. In one embodiment, the vector is an anti-CD40 antibody, or fragments thereof, and one or more antigenic peptides linked to the anti-CD40 antibody or fragments thereof, including humanized antibodies.

Abstract: This invention provides methods of using of the sizes and levels of high-density lipoprotein (HDL) and low-density lipoprotein (LDL) particles, the ?641 allele of the promoter of the gene encoding apolipoprotein C-3 (APOC-3), the 405 allele of the gene encoding cholesteryl ester transfer protein (CETP), and plasma levels of insulin-like growth factor-1 (IGF-1), adiponectin, CETP and APOC-3, for determining and increasing an individual's likelihood of longevity and of retaining cognitive function during aging, and for determining and decreasing an individual's likelihood of developing a cardiovascular-, metabolic- or age-related disease.

Abstract: The present invention relates to methods and compositions for treatment of microbial infections and for the enhancement of resistance to infection. The invention comprises administration of an effective amount of a protein isolated from bacterial lysate compositions for the treatment of pathological conditions of microbial infections. The present invention can also be used to enhance the immune system to prevent infections by the administration of an effective amount of the compositions.

Abstract: This invention relates to protein separation and purification methods for both alpha-1-antitrypsin (AAT, also known as alpha-1 proteinase inhibitor, API, and A.sub.1-PI) and Apolipoprotein A-I (ApoA-1) from, for example, a fraction of human blood plasma. In certain embodiments, the invention provides methods for separating AAT from ApoA-1 at the initial stage of purification, so that the same starting material can be used as a source for both proteins. The methods further pertain to providing compositions of AAT and of ApoA-1 suitable for pharmaceutical use and are suitable for large-scale purification.

Abstract: The present invention discloses methods and materials for delivering a cargo compound into a brain cancer cell and/or across the blood-brain barrier. Delivery of the cargo compound is accomplished by the use of protein transport peptides derived from Neisseria outer membrane proteins, such as Laz. The invention also provides synthetic transit peptides comprised of the pentapeptide AAEAP. The invention further discloses methods for treating cancer, and specifically brain cancer, as well as other brain-related conditions. Further, the invention provides methods of imaging and diagnosing cancer, particular brain cancer.

Abstract: The present invention provides antibodies that preferentially bind to an ApoE(1-272) fragment relative to ApoE(1-299). These antibodies serve to reduce the toxicity of this fragment and find use in treatment and prophylaxis of a variety of neurological diseases.