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Breast cancer in African american

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https://www.readbyqxmd.com/read/28717716/breast-cancer-and-african-ancestry-lessons-learned-at-the-10-year-anniversary-of-the-ghana-michigan-research-partnership-and-international-breast-registry
#1
Evelyn Jiagge, Joseph Kwaku Oppong, Jessica Bensenhaver, Francis Aitpillah, Kofi Gyan, Ishmael Kyei, Ernest Osei-Bonsu, Ernest Adjei, Michael Ohene-Yeboah, Kathy Toy, Karen Eubanks Jackson, Marian Akpaloo, Dorcas Acheampong, Beatrice Antwi, Faustina Obeng Agyeman, Zainab Alhassan, Linda Ahenkorah Fondjo, Osei Owusu-Afriyie, Robert Newman Brewer, Amma Gyamfuah, Barbara Salem, Timothy Johnson, Max Wicha, Sofia Merajver, Celina Kleer, Judy Pang, Emmanuel Amankwaa-Frempong, Azadeh Stark, Francis Abantanga, Lisa Newman, Baffour Awuah
Women with African ancestry in western, sub-Saharan Africa and in the United States represent a population subset facing an increased risk of being diagnosed with biologically aggressive phenotypes of breast cancer that are negative for the estrogen receptor, the progesterone receptor, and the HER2/neu marker. These tumors are commonly referred to as triple-negative breast cancer. Disparities in breast cancer incidence and outcome related to racial or ethnic identity motivated the establishment of the International Breast Registry, on the basis of partnerships between the Komfo Anokye Teaching Hospital in Kumasi, Ghana, the University of Michigan Comprehensive Cancer Center in Ann Arbor, Michigan, and the Henry Ford Health System in Detroit, Michigan...
October 2016: Journal of Global Oncology
https://www.readbyqxmd.com/read/28695396/active-smoking-and-survival-following-breast-cancer-among-african-american-and-non-african-american-women-in-the-carolina-breast-cancer-study
#2
Humberto Parada, Xuezheng Sun, Chiu-Kit Tse, Andrew F Olshan, Melissa A Troester, Kathleen Conway
PURPOSE: To examine racial differences in smoking rates at the time of breast cancer diagnosis and subsequent survival among African American and non-African American women in the Carolina Breast Cancer Study (Phases I/II), a large population-based North Carolina study. METHODS: We interviewed 788 African American and 1,020 Caucasian/non-African American women diagnosed with invasive breast cancer from 1993 to 2000, to assess smoking history. After a median follow-up of 13...
July 10, 2017: Cancer Causes & Control: CCC
https://www.readbyqxmd.com/read/28688082/circulating-myeloid-derived-suppressor-cells-increase-in-patients-undergoing-neo-adjuvant-chemotherapy-for-breast-cancer
#3
Robert Wesolowski, Megan C Duggan, Andrew Stiff, Joseph Markowitz, Prashant Trikha, Kala M Levine, Lynn Schoenfield, Mahmoud Abdel-Rasoul, Rachel Layman, Bhuvaneswari Ramaswamy, Erin R Macrae, Maryam B Lustberg, Raquel E Reinbolt, Ewa Mrozek, John C Byrd, Michael A Caligiuri, Thomas A Mace, William E Carson Iii
This study sought to evaluate whether myeloid-derived suppressor cells (MDSC) could be affected by chemotherapy and correlate with pathologic complete response (pCR) in breast cancer patients receiving neo-adjuvant chemotherapy. Peripheral blood levels of granulocytic (G-MDSC) and monocytic (M-MDSC) MDSC were measured by flow cytometry prior to cycle 1 and 2 of doxorubicin and cyclophosphamide and 1st and last administration of paclitaxel or paclitaxel/anti-HER2 therapy. Of 24 patients, 11, 6 and 7 patients were triple negative, HER2+ and hormone receptor+, respectively...
July 7, 2017: Cancer Immunology, Immunotherapy: CII
https://www.readbyqxmd.com/read/28684774/tumoral-expression-of-drug-and-xenobiotic-metabolizing-enzymes-in-breast-cancer-patients-of-different-ethnicities-with-implications-to-personalized-medicine
#4
Yan Li, Albert Steppi, Yidong Zhou, Feng Mao, Philip Craig Miller, Max M He, Tingting Zhao, Qiang Sun, Jinfeng Zhang
Drug and xenobiotic metabolizing enzymes (DXME) play important roles in drug responses and carcinogenesis. Recent studies have found that expression of DXME in cancer cells significantly affects drug clearance and the onset of drug resistance. In this study we compared the expression of DXME in breast tumor tissue samples from patients representing three ethnic groups: Caucasian Americans (CA), African Americans (AA), and Asian Americans (AS). We further combined DXME gene expression data with eQTL data from the GTEx project and with allele frequency data from the 1000 Genomes project to identify SNPs that may be associated with differential expression of DXME genes...
July 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28683962/arginine-nitric-oxide-metabolites-and-cardiac-dysfunction-in-patients-with-breast-cancer
#5
Brian S Finkelman, Mary Putt, Teresa Wang, Le Wang, Hari Narayan, Susan Domchek, Angela DeMichele, Kevin Fox, Jennifer Matro, Payal Shah, Amy Clark, Angela Bradbury, Vivek Narayan, Joseph R Carver, W H Wilson Tang, Bonnie Ky
BACKGROUND: Oxidative/nitrosative stress and endothelial dysfunction are hypothesized to be central to cancer therapeutics-related cardiac dysfunction (CTRCD). However, the relationship between circulating arginine-nitric oxide (NO) metabolites and CTRCD remains unstudied. OBJECTIVES: This study sought to examine the relationship between arginine-NO metabolites and CTRCD in a prospective cohort of 170 breast cancer patients treated with doxorubicin with or without trastuzumab...
July 11, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/28669006/an-investigation-of-unmet-socio-economic-needs-among-arab-american-breast-cancer-patients-compared-with-other-immigrant-and-migrant-patients
#6
Claudia Ayash, Rosario Costas-Muñiz, Dalal Badreddine, Julia Ramirez, Francesca Gany
Although Arabs are a growing population in the United States, they are a hidden minority when compared to larger, more studied groups like Latinos and Caribbean immigrants of African descent (CIAD). There is limited research pertaining to patients' unmet socioeconomic and supportive care needs when undergoing breast cancer treatment, particularly among immigrants and migrants. This is a comparative study of a nested cohort of 36 Arabs, 145 Latinos and 128 CIAD breast cancer patients participating in the Integrated Cancer Care Access Network and their areas of needed assistance...
July 1, 2017: Journal of Community Health
https://www.readbyqxmd.com/read/28664460/the-prevalence-and-pattern-of-chemotherapy-induced-peripheral-neuropathy-among-women-with-breast-cancer-receiving-care-in-a-large-community-oncology-practice
#7
Natalie B Simon, Michael A Danso, Thomas A Alberico, Ethan Basch, Antonia V Bennett
PURPOSE: To describe the prevalence, severity, and risk factors of chemotherapy-induced peripheral neuropathy (CIPN) and its impact on function and quality of life (QOL) among women treated for breast cancer in a large U.S. Community Oncology practice. METHODS: Women previously treated with taxane-based chemotherapy for early-stage breast cancer completed the EORTC QLQ-C30, QLQ-BR23, and QLQ-CIPN20. Subscales are scored 0-100; higher scores indicate greater symptom severity...
June 29, 2017: Quality of Life Research
https://www.readbyqxmd.com/read/28649645/a-functionally-significant-snp-in-tp53-and-breast-cancer-risk-in-african-american-women
#8
Maureen E Murphy, Song Liu, Song Yao, Dezheng Huo, Qin Liu, Sonia C Dolfi, Kim M Hirshfield, Chi-Chen Hong, Qiang Hu, Andrew F Olshan, Temidayo O Ogundiran, Clement Adebamowo, Susan M Domchek, Katherine L Nathanson, Barbara Nemesure, Stefan Ambs, William J Blot, Ye Feng, Esther M John, Leslie Bernstein, Wei Zheng, Jennifer J Hu, Regina G Ziegler, Sarah Nyante, Sue A Ingles, Michael F Press, Sandra L Deming, Jorge L Rodriguez-Gil, Christopher A Haiman, Olufunmilayo I Olopade, Kathryn L Lunetta, Julie R Palmer, Christine B Ambrosone
A coding region polymorphism exists in the TP53 gene (Pro47Ser; rs1800371) in individuals of African descent, which reduces p53 tumor suppressor function in a mouse model. It has been unclear whether this functionally significant polymorphism alters cancer risk in humans. This analysis included 6907 women with breast cancer and 7644 controls from the AMBER, ROOT, and AABC consortia. We used multivariable logistic regression to estimate associations between the TP53 Pro47Ser allele and overall breast cancer risk...
2017: NPJ Breast Cancer
https://www.readbyqxmd.com/read/28647544/racial-and-ethnic-disparities-among-state-medicaid-programs-for-breast-cancer-screening
#9
Florence K Tangka, Sujha Subramanian, Lee Rivers Mobley, Sonja Hoover, Jiantong Wang, Ingrid J Hall, Simple D Singh
Breast cancer screening by mammography has been shown to reduce breast cancer morbidity and mortality. The use of mammography screening though varies by race, ethnicity, and, sociodemographic characteristics. Medicaid is an important source of insurance in the US for low-income beneficiaries, who are disproportionately members of racial or ethnic minorities, and who are less likely to be screened than women with higher socioeconomic statuses. We used 2006-2008 data from Medicaid claims and enrollment files to assess racial or ethnic and geographic disparities in the use of breast cancer screening among Medicaid-insured women at the state level...
June 21, 2017: Preventive Medicine
https://www.readbyqxmd.com/read/28634720/the-financial-impact-and-drivers-of-hospital-charges-in-contralateral-prophylactic-mastectomy-and-reconstruction-a-nationwide-inpatient-sample-hospital-analysis
#10
Alexandra Bucknor, Anmol Chattha, Klaas Ultee, Winona Wu, Parisa Kamali, Patrick Bletsis, Austin Chen, Bernard T Lee, Claire Cronin, Samuel J Lin
PURPOSE: Rates of contralateral prophylactic mastectomy (CPM) have increased over the last decade; it is important for surgeons and hospital systems to understand the economic drivers of increased costs in these patients. This study aims to identify factors affecting charges in those undergoing CPM and reconstruction. METHODS: Analysis of the Healthcare Cost and Utilization Project National Inpatient Sample was undertaken (2009-2012), identifying women aged ≥18 with unilateral breast cancer undergoing unilateral mastectomy with CPM and immediate breast reconstruction (IBR) (CPM group), in addition to unilateral mastectomy and IBR alone (UM group)...
June 20, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28628363/efficacy-of-a-weight-loss-intervention-for-african-american-breast-cancer-survivors
#11
Melinda Stolley, Patricia Sheean, Ben Gerber, Claudia Arroyo, Linda Schiffer, Anjishnu Banerjee, Alexis Visotcky, Giamila Fantuzzi, Desmona Strahan, Lauren Matthews, Roxanne Dakers, Cynthia Carridine-Andrews, Katya Seligman, Sparkle Springfield, Angela Odoms-Young, Susan Hong, Kent Hoskins, Virginia Kaklamani, Lisa Sharp
Purpose African American women with breast cancer have higher cancer-specific and overall mortality rates. Obesity is common among African American women and contributes to breast cancer progression and numerous chronic conditions. Weight loss interventions among breast cancer survivors positively affect weight, behavior, biomarkers, and psychosocial outcomes, yet few target African Americans. This article examines the effects of Moving Forward, a weight loss intervention for African American breast cancer survivors (AABCS) on weight, body composition, and behavior...
June 19, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28623836/sequential-matched-analysis-of-racial-disparities-in-breast-cancer-hospitalization-outcomes-among-african-american-and-white-patients
#12
Kemi Ogunsina, Gurudatta Naik, Neomi Vin-Raviv, Tomi F Akinyemiju
BACKGROUND: The purpose of this study is to determine if racial disparities in inpatient outcomes persist among hospitalized patients comparing African American and White breast cancer patients matched on demographics, presentation and treatment. METHODS: A total of 136,211 African American and White breast cancer patients from the Healthcare Cost and Utilization Project - Nationwide Inpatient Sample (HCUP-NIS) database, matched on demographics alone, demographics and presentation or demographics, presentation and treatment were studied...
June 14, 2017: Cancer Epidemiology
https://www.readbyqxmd.com/read/28612435/racial-disparities-in-survival-outcomes-by-breast-tumor-subtype-among-african-american-women-in-memphis-tennessee
#13
Gregory Vidal, Zoran Bursac, Gustavo Miranda-Carboni, Shelley White-Means, Athena Starlard-Davenport
Racial disparities in survival among African American (AA) women in the United States have been well documented. Breast cancer mortality rates among AA women is higher in Memphis, Tennessee as compared to 49 of the largest US cities. In this study, we investigated the extent to which racial/ethnic disparities in survival outcomes among Memphis women are attributed to differences in breast tumor subtype and treatment outcomes. A total of 3527 patients diagnosed with stage I-IV breast cancer between January 2002 and April 2015 at Methodist Health hospitals and West Cancer Center in Memphis, TN were included in the analysis...
July 2017: Cancer Medicine
https://www.readbyqxmd.com/read/28605409/hair-product-use-and-breast-cancer-risk-among-african-american-and-white-women
#14
Adana A M Llanos, Anna Rabkin, Elisa V Bandera, Gary Zirpoli, Brian D Gonzalez, Cathleen Y Xing, Bo Qin, Yong Lin, Chi-Chen Hong, Kitaw Demissie, Christine B Ambrosone
Exposures to carcinogens in hair products have been explored as breast cancer risk factors, yielding equivocal findings. We examined hair product use (hair dyes, chemical relaxers and cholesterol or placenta-containing conditioners) among African American (AA) and White women, and explored associations with breast cancer. Multivariable-adjusted models were used to estimate odds ratios (ORs) and 95% confidence intervals (CIs) to describe the associations of interest among 2,280 cases (1,508 AA and 772 White) and 2,005 controls (1,290 AA and 715 White)...
June 9, 2017: Carcinogenesis
https://www.readbyqxmd.com/read/28599754/the-effects-of-sex-protein-receptors-and-sex-steroid-hormone-gene-polymorphisms-on-breast-cancer-risk
#15
REVIEW
Somayeh Jahandoost, Pourandokht Farhanghian, Sakineh Abbasi
Breast cancer is a common disease and a major cause of death among women throughout the world. Various genes are believed to be involved in the initiation and progression of the disease. Some polymorphisms of these genes increase susceptibility to breast cancer in particular ethnicities. This study used electronic literature search to review the effects of different sex steroid hormone gene polymorphisms on breast cancer risk. Our findings indicated that some polymorphisms in estrogen receptor alpha (ER-α), ER-β, progesterone receptor (PGR), pregnane X receptor (PXR), and cytochrome P450 enzymes (CYPs) affected breast cancer susceptibility, especially in African American women...
July 2017: Journal of the National Medical Association
https://www.readbyqxmd.com/read/28564674/association-of-a-policy-mandating-physician-patient-communication-with-racial-ethnic-disparities-in-postmastectomy-breast-reconstruction
#16
Elham Mahmoudi, Yiwen Lu, Allan K Metz, Adeyiza O Momoh, Kevin C Chung
Importance: With the stabilization of breast cancer incidence and substantial improvement in survival, more attention has focused on postmastectomy breast reconstruction (PBR). Despite its demonstrated benefits, wide disparities in the use of PBR remain. Physician-patient communication has an important role in disparities in health care, especially for elective surgical procedures. Recognizing this, the State of New York enacted Public Health Law (NY PBH Law) 2803-o in 2011 mandating that physicians communicate about reconstructive surgery with patients undergoing mastectomy...
May 31, 2017: JAMA Surgery
https://www.readbyqxmd.com/read/28547656/influence-of-clinical-societal-and-treatment-variables-on-racial-differences-in-er-pr-breast-cancer-survival
#17
M E Roseland, K Schwartz, J J Ruterbusch, L Lamerato, R Krajenta, J Booza, Michael S Simon
BACKGROUND: African American (AA) women with breast cancer have persistently higher mortality compared to whites. We evaluated racial disparities in mortality among women with estrogen receptor (ER)/progesterone receptor (PR)-negative breast cancer. METHODS: The study population included 542 women (45% AA) diagnosed with ER/PR-negative Stage I through III breast cancer treated at the Henry Ford Health System (HFHS) between 1996 and 2005. Linked datasets from HFHS, Metropolitan Detroit Cancer Surveillance System, and the U...
May 25, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28515047/centrosome-amplification-a-suspect-in-breast-cancer-and-racial-disparities
#18
Angela Ogden, Padmashree C G Rida, Ritu Aneja
The multifaceted involvement of centrosome amplification (CA) in tumorigenesis is coming into focus following years of meticulous experimentation, which have elucidated the powerful abilities of CA to promote cellular invasion, disrupt stem cell division, drive chromosomal instability (CIN), and perturb tissue architecture, activities that can accelerate tumor progression. Integration of the extant in vitro, in vivo, and clinical data suggests that in some tissues CA may be a tumor-initiating event, in others a consequential "hit" in multistep tumorigenesis, and in still others non-tumorigenic...
May 17, 2017: Endocrine-related Cancer
https://www.readbyqxmd.com/read/28506814/the-relationship-between-type-2-diabetes-and-breast-cancer-incidence-in-differing-ethnic-groups
#19
REVIEW
Gertraud Maskarinec, Angelique Fontaine, Johanna Eyrun Torfadottir, Lorraine L Lipscombe, Iliana C Lega, Jonine Figueroa, Sarah Wild
In addition to rising type 2 diabetes and breast cancer incidence rates worldwide, diabetes may also increase breast cancer risk, and the association may vary by ethnicity. This review summarizes published data evaluating the association between diabetes and breast cancer in women of Asian, Hispanic and African American ancestry while considering a measure of obesity, body mass index (BMI). Published reports were identified through a search of PubMed and previous publications. Of 15 age-adjusted studies, 11 reported on Asian women from various countries, 3 on Hispanics and 1 on African Americans...
May 12, 2017: Canadian Journal of Diabetes
https://www.readbyqxmd.com/read/28503719/radiation-and-depression-associated-with-complications-of-tissue-expander-reconstruction
#20
Paul J Chuba, William A Stefani, Carrie Dul, Susan Szpunar, Jeffrey Falk, Rachael Wagner, Elango Edhayan, Anna Rabbani, Cynthia H Browne, Amr Aref
PURPOSE: Rates of implant failure, wound healing delay, and infection are higher in patients having radiation therapy (RT) after tissue expander (TE) and permanent implant reconstruction. We investigated pretreatment risk factors for TE implant complications. PATIENTS AND METHODS: 127 breast cancer patients had TE reconstruction and radiation. For 85 cases of bilateral TE reconstruction, the non-irradiated breast provided an internal control. Comparison of differences in means for continuous variables used analysis of variance, then multiple pairwise comparisons with Bonferroni correction of p value...
May 13, 2017: Breast Cancer Research and Treatment
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