Institution
American Cancer Society
Nonprofit•Atlanta, Georgia, United States•
About: American Cancer Society is a nonprofit organization based out in Atlanta, Georgia, United States. It is known for research contribution in the topics: Cancer & Population. The organization has 1339 authors who have published 3700 publications receiving 688166 citations. The organization is also known as: American Cancer Society, ACS & American Society for the Control of Cancer.
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TL;DR: The effects of menarche and menopause on breast cancer risk might not be acting merely by lengthening women's total number of reproductive years, and endogenous ovarian hormones are more relevant for oestrogen receptor-positive disease than for ostrogens receptor-negative disease and for lobular than for ductal tumours.
Abstract: BACKGROUND:Menarche and menopause mark the onset and cessation, respectively, of ovarian activity associated with reproduction, and affect breast cancer risk. Our aim was to assess the strengths of their effects and determine whether they depend on characteristics of the tumours or the affected women.METHODS:Individual data from 117 epidemiological studies, including 118 964 women with invasive breast cancer and 306 091 without the disease, none of whom had used menopausal hormone therapy, were included in the analyses. We calculated adjusted relative risks (RRs) associated with menarche and menopause for breast cancer overall, and by tumour histology and by oestrogen receptor expression.FINDINGS:Breast cancer risk increased by a factor of 1·050 (95% CI 1·044-1·057; p<0·0001) for every year younger at menarche, and independently by a smaller amount (1·029, 1·025-1·032; p<0·0001), for every year older at menopause. Premenopausal women had a greater risk of breast cancer than postmenopausal women of an identical age (RR at age 45-54 years 1·43, 1·33-1·52, p<0·001). All three of these associations were attenuated by increasing adiposity among postmenopausal women, but did not vary materially by women's year of birth, ethnic origin, childbearing history, smoking, alcohol consumption, or hormonal contraceptive use. All three associations were stronger for lobular than for ductal tumours (p<0·006 for each comparison). The effect of menopause in women of an identical age and trends by age at menopause were stronger for oestrogen receptor-positive disease than for oestrogen receptor-negative disease (p<0·01 for both comparisons).INTERPRETATION:The effects of menarche and menopause on breast cancer risk might not be acting merely by lengthening women's total number of reproductive years. Endogenous ovarian hormones are more relevant for oestrogen receptor-positive disease than for oestrogen receptor-negative disease and for lobular than for ductal tumours.
759 citations
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TL;DR: Overweight and obesity now account for one in seven of cancer deaths in men and one in five in women in the US, and it is suggested that overeating may be the largest avoidable cause of cancer in nonsmokers.
Abstract: Large prospective studies show a significant association with obesity for several cancers, and the International Agency for Research on Cancer has classified the evidence of a causal link as 'sufficient' for cancers of the colon, female breast (postmenopausal), endometrium, kidney (renal cell), and esophagus (adenocarcinoma). These data, and the rising worldwide trend in obesity, suggest that overeating may be the largest avoidable cause of cancer in nonsmokers. Few obese people are successful in long-term weight reduction, and thus there is little direct evidence regarding the impact of weight reduction on cancer risk. If the correlation between obesity and cancer mortality is entirely causal, we estimate that overweight and obesity now account for one in seven of cancer deaths in men and one in five in women in the US.
750 citations
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Peking Union Medical College1, Duke University2, Peking University3, Centers for Disease Control and Prevention4, Hebei Medical University5, Fujian Medical University6, Cancer Council Queensland7, International Agency for Research on Cancer8, American Cancer Society9, Cancer Council New South Wales10
TL;DR: There was a marked overall increase in cancer survival from 2003 to 2015 in the population covered by these cancer registries in China, possibly reflecting advances in the quality of cancer care in these areas.
738 citations
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TL;DR: Strong genome-wide significant associations with 25(OH)D are confirmed through meta-analysis with the GWAS data for GC, NADSYN1/DHCR7, CYP2R1 and CYP 2R1, but not C10orf88, the key C-25 hydroxylase that converts vitamin D3 to an active vitamin D receptor ligand.
Abstract: The primary circulating form of vitamin D, 25-hydroxy-vitamin D [25(OH)D], is associated with multiple medical outcomes, including rickets, osteoporosis, multiple sclerosis and cancer. In a genome-wide association study (GWAS) of 4501 persons of European ancestry drawn from five cohorts, we identified single-nucleotide polymorphisms (SNPs) in the gene encoding group-specific component (vitamin D binding) protein, GC, on chromosome 4q12-13 that were associated with 25(OH)D concentrations: rs2282679 (P = 2.0 × 10−30), in linkage disequilibrium (LD) with rs7041, a non-synonymous SNP (D432E; P = 4.1 × 10−22) and rs1155563 (P = 3.8 × 10−25). Suggestive signals for association with 25(OH)D were also observed for SNPs in or near three other genes involved in vitamin D synthesis or activation: rs3829251 on chromosome 11q13.4 in NADSYN1 [encoding nicotinamide adenine dinucleotide (NAD) synthetase; P = 8.8 × 10−7], which was in high LD with rs1790349, located in DHCR7, the gene encoding 7-dehydrocholesterol reductase that synthesizes cholesterol from 7-dehydrocholesterol; rs6599638 in the region harboring the open-reading frame 88 (C10orf88) on chromosome 10q26.13 in the vicinity of ACADSB (acyl-Coenzyme A dehydrogenase), involved in cholesterol and vitamin D synthesis (P = 3.3 × 10−7); and rs2060793 on chromosome 11p15.2 in CYP2R1 (cytochrome P450, family 2, subfamily R, polypeptide 1, encoding a key C-25 hydroxylase that converts vitamin D3 to an active vitamin D receptor ligand; P = 1.4 × 10−5). We genotyped SNPs in these four regions in 2221 additional samples and confirmed strong genome-wide significant associations with 25(OH)D through meta-analysis with the GWAS data for GC (P = 1.8 × 10−49), NADSYN1/DHCR7 (P = 3.4 × 10−9) and CYP2R1 (P = 2.9 × 10−17), but not C10orf88 (P = 2.4 × 10−5).
732 citations
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TL;DR: The usefulness of estrogen receptor measurements in primary breast tumors in the prediction of early recurrence was examined in a series of 145 patients and the absence of estrogenceptor in such tumors was associated withEarly recurrence independent of other known prognostic factors.
Abstract: The usefulness of estrogen receptor measurements in primary breast tumors in the prediction of early recurrence was examined in a series of 145 patients. The absence of estrogen receptor in such tumors was associated with early recurrence independent of other known prognostic factors such as axillary lymph node status and tumor size.
731 citations
Authors
Showing all 1345 results
Name | H-index | Papers | Citations |
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Walter C. Willett | 334 | 2399 | 413322 |
Meir J. Stampfer | 277 | 1414 | 283776 |
Frank B. Hu | 250 | 1675 | 253464 |
David J. Hunter | 213 | 1836 | 207050 |
Edward Giovannucci | 206 | 1671 | 179875 |
Irving L. Weissman | 201 | 1141 | 172504 |
Bernard Rosner | 190 | 1162 | 147661 |
Susan E. Hankinson | 151 | 789 | 88297 |
Paolo Boffetta | 148 | 1455 | 93876 |
Jeffrey A. Bluestone | 143 | 515 | 77080 |
Richard D. Smith | 140 | 1180 | 79758 |
Garth D. Illingworth | 137 | 505 | 61793 |
Brian E. Henderson | 137 | 712 | 69921 |
Ahmedin Jemal | 132 | 500 | 380474 |
Michael J. Thun | 129 | 392 | 79051 |