Abstract: The subject invention provides therapeutic compositions, and uses thereof for the treatment or amelioration of injury to small intestine mucosa. In preferred embodiments, the composition comprises one or more nutrients and/or electrolytes that acquire or retain considerable absorptive capacity.

Abstract: A system including a tissue bath; a portion of intestine positioned within the tissue bath, the portion of intestine having a first end and a second end; a pump coupled to the first end of the portion of the intestine and configured to pump a fluid through the portion of intestine; a light source positioned to illuminate the portion of intestine, a camera positioned to capture a stream of images showing movement of the portion of intestine; and a computing system coupled to the camera, the computing system including: a processor, and a memory storing instructions causing the processor to: receive the stream of images, identify a location along the portion of intestine in each image of the stream of images in real time, and measure an edge width at the location along the portion of intestine in each image of the stream of images in real time.

Abstract: The subject invention provides therapeutic compositions, and uses thereof for the treatment or amelioration of injury to small intestine mucosa. In preferred embodiments, the composition comprises one or more nutrients and/or electrolytes that acquire or retain considerable absorptive capacity.

Abstract: The subject invention provides therapeutic compositions and uses thereof for improving pulmonary function. In one embodiment, the therapeutic composition comprises one or more free amino acids selected from lysine, glycine, threonine, valine, tyrosine, aspartic acid, isoleucine, tryptophan, asparagine, and serine; and electrolytes. In one embodiment, the subject invention can be used to prevent or treat long-term lung complications induced by radiation.

Abstract: The present disclosure provides compositions and methods for promoting stem cell and/or progenitor cell proliferation and/or differentiation. The provided compositions may be useful in treating a disease or condition that is related to mucosal barrier function, e.g., wound healing, treating skin conditions (e.g., atopic dermatitis, psoriasis, bed sores, or condition related to the aging of skin), treating a lung disorders (e.g., asthma), a condition related to improving mucosal barrier function, and/or treating injury to GI mucosa in a subject in need thereof. The present disclosure also provides methods for promoting the proliferation and/or differentiation of stem cells and/or the progenitor cells in a subject in need of such treatment by administering a composition. The ability to stimulate the proliferation and/or differentiation of stem cells and/or the progenitor cells in vivo, ex vivo and/or in vitro provides tremendous benefit.

Abstract: Amino acid formulations useful for treating diarrhea in a subject in need thereof are described herein. Such amino acid formulations and methods comprising administering same to a subject are useful for treating diarrhea, particularly diarrhea caused by or associated with bacterial infections wherein secretagogue-stimulated anion secretion from the intestinal crypt contributes to at least one symptom of diarrhea in the subject. Use of these amino acid formulations for the treatment of diarrhea in general or diarrhea associated with secretagogue-stimulated anion secretion from the intestinal crypt are encompassed herein, as are their use in the preparation of a medicament for the treatment of diarrhea in general or diarrhea associated with secretagogue-stimulated anion secretion from the intestinal crypt.

Abstract: Formulations comprising combinations of free amino acids useful for treating ARDS, asthma, or allergic rhinitis are described herein. Use of such amino acid formulations for treating ARDS, asthma, or allergic rhinitis in a subject in need thereof; in methods for treating ARDS, asthma, or allergic rhinitis in a subject in need thereof; and/or in the preparation of a medicament for the treatment of ARDS, asthma, or allergic rhinitis are encompassed herein.

Abstract: Formulations comprising particular free amino acids useful for promoting hydration and/or intestinal barrier function in a subject in need thereof are described herein. Such formulations and methods using same are useful for promoting hydration and/or intestinal barrier function in a subject in need thereof. Such subjects may be healthy, but in need of a formulation that promotes rapid hydration (e.g., within 15-90 minutes post-administration) or promotes intestinal barrier function; or such subjects may be afflicted by a disorder or disease associated with dehydration or impaired intestinal barrier function, respectively.

Abstract: The present disclosure provides compositions and methods for promoting stem cell and/or progenitor cell proliferation and/or differentiation. The provided compositions may be useful in treating a disease or condition that is related to mucosal barrier function, e.g., wound healing, treating skin conditions (e.g., atopic dermatitis, psoriasis, bed sores, or condition related to the aging of skin), treating a lung disorders (e.g., asthma), a condition related to improving mucosal barrier function, and/or treating injury to GI mucosa in a subject in need thereof. The present disclosure also provides methods for promoting the proliferation and/or differentiation of stem cells and/or the progenitor cells in a subject in need of such treatment by administering a composition. The ability to stimulate the proliferation and/or differentiation of stem cells and/or the progenitor cells in vivo, ex vivo and/or in vitro provides tremendous benefit.

Abstract: The subject invention provides therapeutic compositions and uses thereof for improving pulmonary function. In one embodiment, the therapeutic composition comprises one or more free amino acids selected from lysine, glycine, threonine, valine, tyrosine, aspartic acid, isoleucine, tryptophan, asparagine, and serine; and electrolytes. In one embodiment, the subject invention can be used to prevent or treat long-term lung complications induced by radiation.

Abstract: The subject invention provides therapeutic compositions, and uses thereof for the treatment or amelioration of symptoms of a disease selected from the group consisting of: Ebola virus infection, HIV infection, ataxia, environmental enteropathy, cancer, hangover, inflammatory disease, and porcine epidemic diarrhea. In preferred embodiments, the composition includes a combination of one or more amino acids selected from the group comprising lysine, aspartic acid, glycine, isoleucine, threonine, tyrosine, valine, tryptophan, asparagine and/or serine.

Abstract: The subject invention provides therapeutic compositions, and uses thereof for the treatment or amelioration of symptoms of a disease selected from the group consisting of: Ebola virus infection, HIV infection, ataxia, environmental enteropathy, cancer, hangover, inflammatory disease, and porcine epidemic diarrhea. In preferred embodiments, the composition includes a combination of one or more amino acids selected from the group comprising lysine, aspartic acid, glycine, isoleucine, threonine, tyrosine, valine, tryptophan, asparagine and/or serine.

Abstract: Amino acid compositions useful for increasing the amount of the divalent metal-ion transporter 1, DMT1 (encoded by the gene SLC11A2), on the duodenal bmsh border membrane (BBM) are described herein. Methods for increasing the concentration of DMT1 on the duodenal BBM (on trafficking) and increasing iron uptake are also presented. Compositions and methods described herein are useful for treating a disorder or disease associated with iron deficiency in subjects afflicted with such disorders or diseases. Use of these compositions for the treatment of disorders or diseases associated with iron deficiency and in the preparation of a medicament for the treatment of disorders or diseases associated with iron deficiency are also encompassed herein.

Abstract: Provided herein are amino acid compositions useful for increasing the translocation of the cystic fibrosis transmembrane conductance (CFTR) protein from the cytoplasm to the plasma membrane, particularly in epithelial cells. Methods for increasing the concentration of CFTR in the plasma membrane, increasing chloride ion transport, and increasing water transport are also provided. These compositions and methods are useful in treating cystic fibrosis in subjects bearing one or more mutations in the CFTR protein. Use of these compositions for the treatment of cystic fibrosis and in the preparation of a medicament for the treatment of cystic fibrosis are also encompassed herein.

Abstract: An amino acid formulation is described herein comprising free amino acids consisting essentially of: free amino acids of lysine, glycine, threonine, valine, tyrosine, aspartic acid, isoleucine, and serine; and optionally, tryptophan; and one or more electrolytes selected from Na+, K+, HCO3?, CO32?, and Cl?; wherein a substrate of a glucose transporter, when present in the amino acid formulation, is present at a concentration of greater than zero and less than 0.6 mM; wherein the concentration of each amino acid present in the amino acid formulation is greater than zero and less than 40 mM; and wherein the total osmolarity of the amino acid formulation is from 100 mosm/L to 250 mosm/L.

Abstract: The present disclosure provides compositions and methods for promoting stem cell and/or progenitor cell proliferation and/or differentiation. The provided compositions may be useful in treating a disease or condition that is related to mucosal barrier function, e.g., wound healing, treating skin conditions (e.g., atopic dermatitis, psoriasis, bed sores, or condition related to the aging of skin), treating a lung disorders (e.g., asthma), a condition related to improving mucosal barrier function, and/or treating injury to GI mucosa in a subject in need thereof. The present disclosure also provides methods for promoting the proliferation and/or differentiation of stem cells and/or the progenitor cells in a subject in need of such treatment by administering a composition. The ability to stimulate the proliferation and/or differentiation of stem cells and/or the progenitor cells in vivo, ex vivo and/or in vitro provides tremendous benefit.

Abstract: The subject invention provides therapeutic compositions, and uses thereof for the treatment or amelioration of injury to small intestine mucosa. In preferred embodiments, the composition comprises one or more nutrients and/or electrolytes that acquire or retain considerable absorptive capacity.

Abstract: The present disclosure provides compositions and methods for promoting stem cell and/or progenitor cell proliferation and/or differentiation. The provided compositions useful in treating and/or preventing wounds or burns, treating and/or preventing skin conditions (e.g., atopic dermatitis, psoriasis, bed sores, conditions related to the aging of skin, pruritus, eczema or herpes simplex), or treating and/or preventing fibrosis, in a subject in need thereof. The present disclosure also provides methods for treating and/or preventing wounds or burns, treating and/or preventing skin conditions, or treating and/or preventing fibrosis in a subject in need of such treatment by administering a composition.

Abstract: The subject invention provides therapeutic compositions, and uses thereof for the treatment or amelioration of injury to small intestine mucosa. In preferred embodiments, the composition comprises one or more nutrients and/or electrolytes that acquire or retain considerable absorptive capacity.

Abstract: The subject invention provides therapeutic compositions and uses thereof for improving pulmonary function. In one embodiment, the therapeutic composition comprises one or more free amino acids selected from lysine, glycine, threonine, valine, tyrosine, aspartic acid, isoleucine, tryptophan, asparagine, and serine; and electrolytes. In one embodiment, the subject invention can be used to prevent or treat long-term lung complications induced by radiation.