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Lactose and cataract in humans: a review.

Abstract

In this review, the relationship between lactose and human cataract is examined from the presently available biochemical, metabolic, and epidemiological data. The exceptional cases of homozygous enzyme deficiency being excluded, fragmentary data give reason to believe that a risk of cataract secondary to lactose and galactose ingestion is present in certain subpopulations. In these population groups, the size of which is unknown, the lens could be exposed to intermittent episodes of hypergalactosemia due to the presence of a partial enzyme deficiency in the galactose metabolic pathway, and/or the persistence of a high adult jejunal lactase activity, and/or to a large and repeated consumption of either whole lactose or easily absorbed lactose (hydrolyzed forms and nonpasteurized yogurt).

Authors+Show Affiliations

,

Clinique Médicale A, Hôpital Bretonneau, Tours, France.

,

Source

MeSH

Animals
Cataract
Dietary Carbohydrates
Galactokinase
Galactose
Humans
Lactase
Lactose
Milk
UTP-Hexose-1-Phosphate Uridylyltransferase
beta-Galactosidase

Pub Type(s)

Journal Article
Review

Language

eng

PubMed ID

1901325

Citation

Couet, C, et al. "Lactose and Cataract in Humans: a Review." Journal of the American College of Nutrition, vol. 10, no. 1, 1991, pp. 79-86.
Couet C, Jan P, Debry G. Lactose and cataract in humans: a review. J Am Coll Nutr. 1991;10(1):79-86.
Couet, C., Jan, P., & Debry, G. (1991). Lactose and cataract in humans: a review. Journal of the American College of Nutrition, 10(1), pp. 79-86.
Couet C, Jan P, Debry G. Lactose and Cataract in Humans: a Review. J Am Coll Nutr. 1991;10(1):79-86. PubMed PMID: 1901325.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Lactose and cataract in humans: a review. AU - Couet,C, AU - Jan,P, AU - Debry,G, PY - 1991/2/1/pubmed PY - 1991/2/1/medline PY - 1991/2/1/entrez SP - 79 EP - 86 JF - Journal of the American College of Nutrition JO - J Am Coll Nutr VL - 10 IS - 1 N2 - In this review, the relationship between lactose and human cataract is examined from the presently available biochemical, metabolic, and epidemiological data. The exceptional cases of homozygous enzyme deficiency being excluded, fragmentary data give reason to believe that a risk of cataract secondary to lactose and galactose ingestion is present in certain subpopulations. In these population groups, the size of which is unknown, the lens could be exposed to intermittent episodes of hypergalactosemia due to the presence of a partial enzyme deficiency in the galactose metabolic pathway, and/or the persistence of a high adult jejunal lactase activity, and/or to a large and repeated consumption of either whole lactose or easily absorbed lactose (hydrolyzed forms and nonpasteurized yogurt). SN - 0731-5724 UR - https://www.unboundmedicine.com/medline/citation/1901325/full_citation L2 - https://medlineplus.gov/carbohydrates.html DB - PRIME DP - Unbound Medicine ER -