Near-infrared electromagnetic modification of cellular...

A - Human Necessities – 61 – N

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A61N 5/067 (2006.01) A61K 41/00 (2006.01) A61P 31/04 (2006.01)

Patent

CA 2670711

Systems and methods are disclosed herein for applying near-infrared optical energies and dosimetries to alter the bioenergetic steady-state trans-membrane and mitochondrial potentials (.DELTA..PSI.-steady) of all irradiated cells through an optical depolarization effect. This depolarization causes a concomitant decrease in the absolute value of the trans-membrane potentials .DELTA..PSI. of the irradiated mitochondrial and plasma membranes. Many cellular anabolic reactions and drug-resistance mechanisms can be rendered less functional and/or mitigated by a decrease in a membrane potential .DELTA..PSI., the affiliated weakening of the proton motive force .DELTA.p, and the associated lowered phosphorylation potential .DELTA.Gp. Within the area of irradiation exposure, the decrease in membrane potentials .DELTA..PSI. will occur in bacterial, fungal and mammalian cells in unison. This membrane depolarization provides the ability to potentiate antimicrobial, antifungal and/or antineoplastic drugs against only targeted undesirable cells.

L'invention concerne des systèmes et procédés d'application d'énergies et de dosimétries optiques proche infrarouge pour modifier les potentiels trans-membrane et mitochondriaux stationnaires bioénergétiques (stable Dy) de toutes les cellules irradiées par un effet de dépolarisation optique. Cette dépolarisation entraîne une diminution concomitante de la valeur absolue des potentiels trans-membrane Dy des membranes mitochondriales et plasmiques irradiées. Un grand nombre de réactions anaboliques cellulaires et de mécanismes de résistance aux médicaments peut être rendu moins fonctionnel et/ou atténué par une diminution d'un potentiel de membrane Dy, l'affaiblissement affilié de la force motrice de proton Dp et le potentiel de phosphorylation réduit associé DGp. Dans la zone d'exposition d'irradiation, la diminution des potentiels de membrane Dy se produira dans les cellules de bactérie, de champignon et de mammifère à l'unisson. Cette dépolarisation de membrane donne la capacité à potentialiser les médicaments antimicrobiens, antifongiques et/ou anti-néoplasiques contre uniquement les cellules non souhaitables ciblées.

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