Intestinal absorption and metabolism of 9-cis-beta-carotene in vivo: biosynthesis of 9-cis-retinoic acid.

The Effect of Vitamin E and Beta Carotene on the Incidence of Lung Cancer and Other Cancers in Male Smokers

1994 • 4,626 citations

β-Carotene: an Unusual Type of Lipid Antioxidant

1984 • 2,147 citations

9-cis retinoic acid is a high affinity ligand for the retinoid X receptor

1992 • 1,790 citations

Can dietary beta-carotene materially reduce human cancer rates?

1981 • 1,575 citations

The induction of differentiation in teratocarcinoma stem cells by retinoic acid

1978 • 1,459 citations

Differentiation Therapy of Acute Promyelocytic Leukemia with Tretinoin (All-trans-Retinoic Acid)

1991 • 1,298 citations

9-Cis retinoic acid stereoisomer binds and activates the nuclear receptor RXRα

1992 • 1,252 citations

Retinoic acid receptors and retinoid X receptors: interactions with endogenous retinoic acids.

1993 • 738 citations

Selective Amplification And Cloning Of Four New Members Of The G Protein-coupled Receptor Family

1989 • 647 citations

A Clinical and Experimental Study

1958 • 513 citations

Vegetables, fruits, and carotenoids and the risk of cancer

1991 • 472 citations

cis-trans isomers of lycopene and β-carotene in human serum and tissues

1992 • 415 citations

A clinical and experimental study on all-trans retinoic acid-treated acute promyelocytic leukemia patients

1991 • 412 citations

Cis-trãns Isomeric Carotenoids Vitamins A and Arylpolyenes

1962 • 379 citations

Provitamin A Function of Carotenoids: The Conversion of β-Carotene into Vitamin A

1989 • 355 citations

The intestinal absorption and metabolism of vitamin A and beta-carotene in man.

1966 • 351 citations

Effects of carotenoids in cellular and animal systems

1991 • 206 citations

HPLC Separation of Cis‐Trans Carotene Isomers in Fresh and Processed Fruits and Vegetables

1987 • 196 citations

Identification and quantitation of all-trans- and 13-cis-retinoic acid and 13-cis-4-oxoretinoic acid in human plasma.

1990 • 172 citations

All-trans-retinoic acid: measurement of reference values in human serum by high performance liquid chromatography

1982 • 153 citations

Structural and Geometrical Isomers of Carotenoids in Human Plasma

1990 • 139 citations

beta-carotene intestinal absorption: bile, fatty acid, pH, and flow rate effects on transport.

1978 • 138 citations

Separation, identification, and quantification of the major carotenoids in extracts of apricots, peaches, cantaloupe, and pink grapefruit by liquid chromatography

1989 • 137 citations

Carotenoids in human health

1992 • 134 citations

Quantification of retinoic acid by gas-liquid chromatography-mass spectrometry: total versus all-trans-retinoic acid in human plasma.

1985 • 126 citations

Retinoids: progress in research and clinical applications

1993 • 119 citations

13-cis-retinoic acid is an endogenous compound in human serum.

1990 • 108 citations

Biosynthesis of 9-cis-Retinoic Acid from 9-cis-β-Carotene in Human Intestinal Mucosa in Vitro

1994 • 104 citations

Bioavailability of a Natural Isomer Mixture as Compared with Synthetic all-trans-β-Carotene in Rats and Chicks

1989 • 103 citations

Human Serum Concentrations of all-trans β- and α-Carotene but Not 9-cis β-Carotene Increase upon Ingestion of a Natural Isomer Mixture Obtained from Dunaliella salina (Betatene)

1993 • 101 citations

The majority of vitamin A is transported as retinyl esters in the blood of most carnivores

1990 • 80 citations

Intestinal uptake and lymphatic absorption of beta-carotene in ferrets: a model for human beta-carotene metabolism

1992 • 77 citations

Metabolism in vivo of all-trans-retinoic acid. Biosynthesis of 13-cis-retinoic acid and all-trans- and 13-cis-retinoyl glucuronides in the intestinal mucosa of the rat.

1982 • 75 citations

13-cis-Retinoic acid metabolism in vivo. The major tissue metabolites in the rat have the all-trans configuration

1983 • 57 citations

Intestinal perfusion of β -carotene in the ferret raises retinoic acid level in portal blood

1993 • 56 citations

Biosynthesis of retinoic acid by intestinal enzymes of the rat

1967 • 53 citations

Observations on the effects of ingesting cis and trans beta carotene isomers on human serum concentrations

1987 • 27 citations

Determination of beta-carotene and its cis isomers in serum

1990 • 26 citations

Does essential fatty acid absorption change with aging?

1984 • 20 citations

Stereoisomerization of the polycis compounds, pro-γ-carotene and prolycopene in chickens and hens

1951 • 11 citations

Bioavailability of β‐ Carotene in a Carotenoid Preparation Derived from Dunaliella bardawil in Human Male Adults

1993 • 8 citations

Uptake and Metabolism of β‐Carotene Isomers in Rats

1993 • 5 citations