Contemplated test kits and methods for food sensitivity related to osteoarthritis are based on rational-based selection of food preparations with established discriminatory p-value. In some embodiments, kits include those with a minimum number of food preparations that have an average discriminatory p-value of ?0.07 as determined by their raw p-value or an average discriminatory p-value of ?0.10 as determined by FDR multiplicity adjusted p-value. In further contemplated aspects, compositions and methods for food sensitivity are also stratified by gender to further enhance predictive value.

The present invention provides a method of using increased levels of one or more biomarkers to identify subjects having non-celiac gluten sensitivity or non-celiac wheat sensitivity. The identification would aid the physician or health professional to determine a specific treatment for the patient, for example, a diet that eliminates wheat, rye, and/or barley. In one embodiment, the biomarkers are one or more of soluble CD 14 (sCD14), lipopolysaccharide-binding protein (LBP), anti-lipopolysaccharide antibodies, anti-flagellin antibodies, anti-gliadin antibodies, and intestinal fatty acid-binding protein (FABP2). The present invention also provides a method of using the same markers to monitor the response to treatment for non-celiac wheat sensitivity in a subject.

Systems, techniques and methods for estimating the metabolic state or flux, e.g., the body energy state (BES) of a patient, are disclosed. The BES provides a deep insight into the nutritional needs of the patient, thus allowing for a sort of exquisite glycemic control with regard to the patient. The invention discloses systems and methods for estimating fractional gluconeogenesis. The invention also discloses systems and methods for estimating and targeting patient blood lactate concentration, both as a target itself and as an intermediate step to estimating and targeting patient fractional gluconeogenesis glucose production. Nutritional support methods and formulations are also disclosed. The invention is suitable for any sort of patient, including those who are injured, such as with traumatic brain injury, ill, or have other conditions that stress the metabolic system.

Provided herein are antigenic molecules that can be used to generate antibodies capable of binding to a vitamin D derivative, such as 25-hydroxyvitamin D2 and/or 25-hydroxyvitamin D3, or a 25-hydroxyvitamin D analog, such as a vitamin D-C22 immunogenic molecule or compound. Antibodies produced using these antigenic molecules, and related antigenic compounds, are also described. In addition, disclosed herein are methods for detecting vitamin D deficiency in a subject, methods for treating a subject suspected of having a vitamin D deficiency, methods for monitoring progression of vitamin D deficiency in a subject, and methods for monitoring treatment of vitamin D deficiency in a subject in need thereof. The methods involve the detection or quantification of 25-hydroxyvitamin D2 and D3. Also provided are methods and reagents for the detection or quantification of 25-hydroxyvitamin D2 and D3, methods for stabilizing vitamin D analogs, and methods for separating 25-hydroxyvitamin D2 and D3 from vitamin D binding protein in a biological sample.

The present invention relates to a method for determining a level of fat-free body mass (FFM) in a paediatric subject comprising determining a level of phenylacetylglutamine (PAG) in a sample obtained from the subject.

The present invention provides a method of modulating appetite and/or body weight in a subject, said method comprising administering to said subject an effective amount of a MIC-1-modulating agent, wherein said agent increases or decreases the amount of MIC-1 present in said subject, or inhibits or enhances the biological activity of MIC-1 present in said subject.

Methods and compositions for regulating fatty acid uptake and/or decreasing gastric motility in an animal are provided.

Systems, techniques and methods for estimating the metabolic state or flux, e.g., the body energy state (BES) of a patient, are disclosed. The BES provides a deep insight into the nutritional needs of the patient, thus allowing for a sort of exquisite glycemic control with regard to the patient. The invention discloses systems and methods for estimating fractional gluconeogenesis. The invention also discloses systems and methods for estimating and targeting patient blood lactate concentration, both as a target itself and as an intermediate step to estimating and targeting patient fractional gluconeogenesis glucose production. Nutritional support methods and formulations are also disclosed. The invention is suitable for any sort of patient, including those who are injured, such as with traumatic brain injury, ill, or have other conditions that stress the metabolic system.

Systems, techniques and methods for estimating the metabolic state or flux, e.g., the body energy state (BES) of a patient, are disclosed. The BES provides a deep insight into the nutritional needs of the patient, thus allowing for a sort of exquisite glycemic control with regard to the patient. The invention discloses systems and methods for estimating fractional gluconeogenesis. The invention also discloses systems and methods for estimating and targeting patient blood lactate concentration, both as a target itself and as an intermediate step to estimating and targeting patient fractional gluconeogenesis glucose production. Nutritional support methods and formulations are also disclosed. The invention is suitable for any sort of patient, including those who are injured, such as with traumatic brain injury, ill, or have other conditions that stress the metabolic system.

Methods and compositions for regulating fatty acid uptake and/or decreasing gastric motility in an animal are provided. The method comprises administering an antagonist of integrin .sub.v.sub.3 or .sub.v.sub.5 to an animal in an amount sufficient to reduce fatty acid uptake in the animal, thereby reducing fatty acid uptake in the animal. In some embodiments, the antagonist is an antibody. Also provided is a method of increasing fatty acid uptake and/or gastric motility in an animal.