Abstract: The invention contemplates a metallopeptide and a method for producing the metallopeptide. The metallopeptide comprises a polypeptide bonded to a metal cation at two coordinating amino acid residues that are aqueous solvent-accessible, said metallopeptide having a secondary structure stabilized by said bonded metal cation.

Abstract: Polypeptides which are derived from the ligand-binding portion of an Integrin alpha subunit are disclosed as are their use for modulation of Integrin ligand binding. Anti-peptide antibodies, hybridomas secreting these antibodies, as well as methods of making and using such antibodies, and recombinant DNA molecules that define the structural gene coding for the polypeptides are also contemplated as within the scope of the present invention.

Abstract: Methods are described for characterizing platelet aggregation defects. The defects are characterized as activation, ligand binding, or post-occupancy defects. In one embodiment of the invention a Cam variant of Glanzmann's thrombasthenia is characterized as having a ligand binding defect. In another embodiment, a patient with myelofibrosis is identified as having an activation defect. Rapid analysis are afforded using fluorescence-activated flow cytometry. Also, diagnostic kits are described which comprise antibodies suitable for characterizing the above defects.

Abstract: Antibodies that immunoreact with the hepatitis B virus HBxAg antigen and with HBxAg polypeptides, as well as diagnostic system and methods for assaying for the presence of HBxAg and anti-HBxAg antibodies in a body sample are disclosed.

Abstract: The present invention contemplates a method for treating hypercholesterolemia in a patient, which method comprises administering to the patient an LDL plasma concentration-reducing amount of a multimeric polypeptide capable of binding the LDL receptor. THe repeating unit of the polypeptide has an amino acid residue sequence corresponding to that represented by the formula LRKLRKRLLRDADDL.

Abstract: The present invention relates to polypeptides that immunologically mimic papillomavirus latent proteins and to antibodies and monoclonal antibodies that immunoreact with papillomavirus latent proteins. Systems and methods for detecting the presence and type of papillomavirus in a human subject are also described.

Abstract: The present invention contemplates a multimeric polypeptide capable of mimicking the ability of Apo E in regulating lymphocyte proliferation and ovarian androgen synthesis.

Abstract: A polypeptide consisting essentially of an amino acid residue sequence selected from the group consisting of:Tyr-His-Asp-Arg-Lys-Glu-Phe-Ala-Lys-Phe-Glu-Glu-Glu-Arg-Ala- Arg-Ala-Lys-Trp-Asp-Thr-Ala-Asn-Asn; SEQ ID No 1 andAla-Asn-Asn-Pro-Leu-Tyr-Lys-Glu-Ala-Thr- Ser-Thr-Phe-Thr-Asn-Ile-Thr-Tyr-Arg-Gly-Thr, SEQ ID No 2.

Abstract: The present invention provides a method for assaying a sample of cells for the presence of a cell surface antigen. More particularly, the present invention describes methods for detecting the presence of plasma and cell bound autoantibodies against cell surface antigens. In addition, the present invention provides a method of crossmatching donor platelets and transfusion recipients.

Abstract: Methods of preparing glucitollysine-hemoglobin from a sample of glucohemoglobin containing stable and labile glucohemoglobins and for assaying for the presence of stable glucohemoglobin are disclosed, as is a diagnostic assay system useful for carrying out the methods.

Abstract: Apo E polypeptides capable of mimicking apolipoprotein E are described that are useful to prepare diagnostic antibodies, and for use in diagnostic systems and methods for detecting apo E antigens in vascular body fluids.

Abstract: The present invention relates to a human SP18 monomer protein-related polypeptide useful in forming a synthetic pulmonary surfactant. The present invention also relates to a method of treating neonatal respiratory distress syndrome comprising adminstering a therapeutically effective amount of synthetic pulmonary of the present invention. Further contemplated by the present invention is a composition containing human SP18 monomer and human SP18 dimer but no other pulmonary surfactant proteins. A recombinant DNA molecule capable of expressing, without post-translational proteolytic processing, mature human SP18 monomer, and methods of using the recombinant DNA molecule are also contemplated.

Abstract: Polypeptides which are derived from the Arg-Gly-Asp (RGD) binding portion of an Integrin beta subunit are disclosed as are their use for modulation of Integrin ligand binding. Anti-antibody peptides, hybridomas secreting these antibodies, as well as methods of making any using such antibodies, and recombinant DNA molecules that define the structural gene coding for the polypeptides are also contemplated within the scope of the present invention.

Abstract: Polypeptides corresponding in amino acid residue sequence to T cell stimulating regions of the HBV nucleocapsid protein are disclosed. A method of enhancing the immunogenicity of a polypeptide immunogen comprising operatively linking the polypeptide through an amino acid residue side chain to core protein particles is also disclosed.

Abstract: A polypeptide analog capable of immunologically mimicking a linear hGPIIb antigenic determinant expressed when platelet-associated GPIIb-IIIa binds fibrinogen is disclosed. An antibody that immunoreacts with the polypeptide and hGPIIb when hGPIIb is present as a platelet-associated GPPIb-IIIa/fibrinogen complex is also disclosed. Further disclosed are diagnostic systems and methods for assaying fibrinogen-bound platelets in a vascular fluid sample using the polypeptides and/or antibodies of the invention.

Abstract: DNA segments include DNA sequences defining a structural gene coding for a human tissue factor heavy chain protein and a precursor form of that protein are disclosed. Recombinant DNA molecules capable of expressing a human tissue factor heavy chain protein are also disclosed. Further disclosed are human tissue factor heavy chain binding site polypeptide analogs as well as methods for their use.

Abstract: The elevation of human cellular fibronectin monomers having a variably included Type III repeat in a pregnant woman, as early as the first trimester, has been found to precede the onset of the clinical manifestations of toxemia and correlate with the severity of the disease state. The present invention provides a means of detection for and the monitoring of the toxemias of pregnancy, particularly preeclampsia and eclampsia, by the use a marker, human fibronectin having a variably included Type III repeat sequence, ED1 or ED2.