Ishmael Kyei
Department of SurgeryHealth SciencesLife SciencesSocial Sciences

Ishmael Kyei

84 Publications29 Research Themes62 Open Access
Research Overview & Focus

The cancer genomics and diagnostics theme focuses on the interplay between African ancestry and its effects on cancer biology and treatment. Key research highlights include increased expression of specific tumor suppressor genes (e.g., EGFR and FGFR1) in triple-negative breast cancer, which are influenced by African-derived alleles such as the FANCC pathway. Studies show that African descent correlates with altered tumor microenvironmental factors and poorer clinical outcomes, suggesting a shared genetic basis for these associations.

Faculty Biography

He is a practicing General Surgeon and Breast Surgeon and a researcher with interest in surgical oncology especially breast cancer . He aims to better understand Breast cancer in Africans and other ethnic minorities in the bid to improve outcomes in the management of breast cancer in these populations. He is a Co investigator with the International Center for the Study of Breast Cancer Subtypes(ICSBCS).He also works as a Senior Lecturer with the Department of Surgery, School of Medicine and Dentistry, College of Health Sciences, KNUST. He holds  Fellowship in both the Ghana College of Surgeons and the West African College of Surgeons and a Post graduate Diploma in Project Design and Management from the Lieverpool School of Tropical Medicine

Key Research Themes (29)
Health Sciences

Advances in Oncology and Radiotherapy

Health Sciences

Appendicitis Diagnosis and Management

Life Sciences

BRCA gene mutations in cancer

Life Sciences

Breast Cancer Treatment Studies

Health Sciences

Breast Implant and Reconstruction

Health Sciences

Cancer Cells and Metastasis

Life Sciences

Cancer Genomics and Diagnostics

Life Sciences

Cancer-related molecular mechanisms research

Health Sciences

Cancer-related Molecular Pathways

Health Sciences

Chemokine receptors and signaling

Health Sciences

Chronic Disease Management Strategies

Health Sciences

Congenital Diaphragmatic Hernia Studies

Life Sciences

CRISPR and Genetic Engineering

Health Sciences

Diabetes Treatment and Management

Health Sciences

Diabetic Foot Ulcer Assessment and Management

Health Sciences

Drug Transport and Resistance Mechanisms

Life Sciences

Epigenetics and DNA Methylation

Health Sciences

Esophageal and GI Pathology

Health Sciences

Gastrointestinal Tumor Research and Treatment

Life Sciences

Genomic variations and chromosomal abnormalities

Health Sciences

Global Cancer Incidence and Screening

Health Sciences

Global Health and Surgery

Health Sciences

Head and Neck Anomalies

Social Sciences

Health Systems, Economic Evaluations, Quality of Life

Health Sciences

Hernia repair and management

Health Sciences

PARP inhibition in cancer therapy

Health Sciences

Soft tissue tumor case studies

Health Sciences

Thyroid Disorders and Treatments

Health Sciences

Urinary and Genital Oncology Studies

Publications (84)

Pathogenic FANCC Variants Are Associated with Accessory Breasts in a Sub-Saharan African Multiplex Family

Open Access
2025Genomic variations and chromosomal abnormalitiesDOI: 10.3390/cimb47110875

Pathogenic FANCC Variants are Associated with Accessory Breasts in a Sub-Saharan African Multiplex Family

Open Access
2025Head and Neck AnomaliesDOI: 10.20944/preprints202509.2389.v1

A Preliminary Comparative Study on Clinical and Pathologic Response Patterns of Breast Cancer in Ghanaian Women Undergoing Neoadjuvant Chemotherapy and Hormonal Therapy

Open Access
2025Breast Cancer Treatment StudiesDOI: 10.4103/jwas.jwas_181_24

Oncologic Anthropology and the African Diaspora: Twenty-Year Anniversary Report, International Center for the Study of Breast Cancer Subtypes (ICSBCS)

2025Global Cancer Incidence and ScreeningDOI: 10.1245/s10434-025-17807-7

Health Comes First: A Qualitative Study of Empowerment in Women Facing Breast Cancer in Ghana and Ethiopia

Open Access
2025Global Cancer Incidence and ScreeningDOI: 10.1200/go-24-00624

Evaluating the efficacy of dilute povidone-iodine versus normal saline for preventing surgical site infections following appendectomy: a prospective observational study in Ghanaian tertiary hospital

Open Access
2025Appendicitis Diagnosis and ManagementDOI: 10.1186/s12893-025-03088-0

Patients’ Perspectives on Breast Reconstruction in Sub-Saharan Africa

Open Access
2025Breast Implant and ReconstructionDOI: 10.1001/jamanetworkopen.2025.17749

Urachal cyst: a rare cause of an abdominal mass in a Ghanaian adult female: a case report

Open Access
2025Urinary and Genital Oncology StudiesDOI: 10.1093/jscr/rjaf356

Assessing Breast Cancer Diagnosis and Management in Ghana per the Global Breast Cancer Initiative Key Performance Indicators

Open Access
2025Global Cancer Incidence and ScreeningDOI: 10.1200/go-24-00653

Table S4 from Kinome-Focused CRISPR-Cas9 Screens in African Ancestry Patient-Derived Breast Cancer Organoids Identify Essential Kinases and Synergy of EGFR and FGFR1 Inhibition

Open Access
2025Cancer Genomics and DiagnosticsDOI: 10.1158/0008-5472.28329230

Table S1 from Kinome-Focused CRISPR-Cas9 Screens in African Ancestry Patient-Derived Breast Cancer Organoids Identify Essential Kinases and Synergy of EGFR and FGFR1 Inhibition

Open Access
2025Cancer Genomics and DiagnosticsDOI: 10.1158/0008-5472.28329239

Table S3 from Kinome-Focused CRISPR-Cas9 Screens in African Ancestry Patient-Derived Breast Cancer Organoids Identify Essential Kinases and Synergy of EGFR and FGFR1 Inhibition

Open Access
2025Cancer Genomics and DiagnosticsDOI: 10.1158/0008-5472.28329233

Table S5 from Kinome-Focused CRISPR-Cas9 Screens in African Ancestry Patient-Derived Breast Cancer Organoids Identify Essential Kinases and Synergy of EGFR and FGFR1 Inhibition

Open Access
2025Cancer Genomics and DiagnosticsDOI: 10.1158/0008-5472.28329227

Kinome-Focused CRISPR-Cas9 Screens in African Ancestry Patient-Derived Breast Cancer Organoids Identify Essential Kinases and Synergy of EGFR and FGFR1 Inhibition

2025CRISPR and Genetic EngineeringDOI: 10.1158/0008-5472.can-24-0775

Supplementary Figures from Kinome-Focused CRISPR-Cas9 Screens in African Ancestry Patient-Derived Breast Cancer Organoids Identify Essential Kinases and Synergy of EGFR and FGFR1 Inhibition

Open Access
2025Cancer Genomics and DiagnosticsDOI: 10.1158/0008-5472.28329242

Table S2 from Kinome-Focused CRISPR-Cas9 Screens in African Ancestry Patient-Derived Breast Cancer Organoids Identify Essential Kinases and Synergy of EGFR and FGFR1 Inhibition

Open Access
2025Cancer Genomics and DiagnosticsDOI: 10.1158/0008-5472.28329236

Table S6 from Kinome-Focused CRISPR-Cas9 Screens in African Ancestry Patient-Derived Breast Cancer Organoids Identify Essential Kinases and Synergy of EGFR and FGFR1 Inhibition

Open Access
2025Cancer Genomics and DiagnosticsDOI: 10.1158/0008-5472.28329224

Table S7 from Kinome-Focused CRISPR-Cas9 Screens in African Ancestry Patient-Derived Breast Cancer Organoids Identify Essential Kinases and Synergy of EGFR and FGFR1 Inhibition

Open Access
2025Cancer Genomics and DiagnosticsDOI: 10.1158/0008-5472.28329218

Data from Kinome-Focused CRISPR-Cas9 Screens in African Ancestry Patient-Derived Breast Cancer Organoids Identify Essential Kinases and Synergy of EGFR and FGFR1 Inhibition

Open Access
2025Cancer Genomics and DiagnosticsDOI: 10.1158/0008-5472.c.7653983

ASO Visual Abstract: Developing a Surgical Oncology Workforce in West Africa: A Needs Assessment and Environmental Scan

2024Global Health and SurgeryDOI: 10.1245/s10434-024-16657-z

Patterns of breast cancer locoregional relapse, metastasis, and subtypes in Ghana

Open Access
2024Breast Cancer Treatment StudiesDOI: 10.1186/s12885-024-13254-x

Developing a Surgical Oncology Workforce in West Africa: A Needs Assessment and Environmental Scan

2024Global Health and SurgeryDOI: 10.1245/s10434-024-16483-3

18. “Who Am I Trying to Fool, God or Myself?”: A Qualitative Analysis of Sociocultural Attitudes and Perceptions about Breast Reconstruction in Sub-Saharan Africa

Open Access
2024Global Cancer Incidence and ScreeningDOI: 10.1097/01.gox.0001028252.99203.cd

Participant Evaluation of a Multi-disciplinary Oncology Preceptorship Training Program for Oncology Health Professionals from Kumasi, Ghana

Open Access
2024Advances in Oncology and RadiotherapyDOI: 10.1007/s13187-024-02417-w

Comparative analysis of breast cancer characteristics in young premenopausal and postmenopausal women in Ghana

Open Access
2024Breast Cancer Treatment StudiesDOI: 10.1038/s41598-024-52129-w

Kinome focused CRISPR-Cas9 screens in African ancestry patient-derived breast cancer organoids identify essential kinases and synergy of EGFR and FGFR1 inhibition

Open Access
2024Cancer Genomics and DiagnosticsDOI: 10.21203/rs.3.rs-3857407/v1

Patient-derived tumor organoids with p53 mutations, and not wild-type p53, are sensitive to synergistic combination PARP inhibitor treatment

Open Access
2024Cancer-related Molecular PathwaysDOI: 10.1016/j.canlet.2024.216608

Kinome focused CRISPR-Cas9 screens in African ancestry patient-derived breast cancer organoids identifies essential kinases and synergy of EGFR and FGFR1 inhibition

Open Access
2023Cancer Genomics and DiagnosticsDOI: 10.1101/2023.12.11.570465

Abstract C047: Multiomics approaches to identify African-ancestry specific phenotypes of triple negative breast cancer

2023Cancer Genomics and DiagnosticsDOI: 10.1158/1538-7755.disp23-c047

A gist on an obscure neoplasm in Ghana: gastrointestinal stromal tumours

Open Access
2023Gastrointestinal Tumor Research and TreatmentDOI: 10.1186/s13104-023-06593-8

Patient-derived tumor organoids with p53 mutations, and not wild-type p53, are sensitive to synergistic combination PARP inhibitor treatment

Open Access
2023PARP inhibition in cancer therapyDOI: 10.1101/2023.06.22.544406

A Gist of an Obscure Neoplasm in Ghana: Gastrointestinal stromal tumours

Open Access
2023Gastrointestinal Tumor Research and TreatmentDOI: 10.21203/rs.3.rs-2917248/v1

Supplementary Figure from African Ancestry–Associated Gene Expression Profiles in Triple-Negative Breast Cancer Underlie Altered Tumor Biology and Clinical Outcome in Women of African Descent

Open Access
2023Cancer Genomics and DiagnosticsDOI: 10.1158/2159-8290.22541881.v1

Abstract NG03: Multiomics in disparities research: Identifying African ancestry-specific mechanisms in the triple negative breast cancer tumor microenvironment

2023Cancer Genomics and DiagnosticsDOI: 10.1158/1538-7445.am2023-ng03

Supplementary Table from African Ancestry–Associated Gene Expression Profiles in Triple-Negative Breast Cancer Underlie Altered Tumor Biology and Clinical Outcome in Women of African Descent

Open Access
2023Cancer Genomics and DiagnosticsDOI: 10.1158/2159-8290.22541875

Supplementary Data from African Ancestry–Associated Gene Expression Profiles in Triple-Negative Breast Cancer Underlie Altered Tumor Biology and Clinical Outcome in Women of African Descent

Open Access
2023Cancer Genomics and DiagnosticsDOI: 10.1158/2159-8290.22541884

Supplementary Table from African Ancestry–Associated Gene Expression Profiles in Triple-Negative Breast Cancer Underlie Altered Tumor Biology and Clinical Outcome in Women of African Descent

Open Access
2023Cancer Genomics and DiagnosticsDOI: 10.1158/2159-8290.22541872.v1

Supplementary Table from African Ancestry–Associated Gene Expression Profiles in Triple-Negative Breast Cancer Underlie Altered Tumor Biology and Clinical Outcome in Women of African Descent

Open Access
2023Cancer Genomics and DiagnosticsDOI: 10.1158/2159-8290.22541875.v1

Supplementary Table from African Ancestry–Associated Gene Expression Profiles in Triple-Negative Breast Cancer Underlie Altered Tumor Biology and Clinical Outcome in Women of African Descent

Open Access
2023Cancer Genomics and DiagnosticsDOI: 10.1158/2159-8290.22541878

Supplementary Table from African Ancestry–Associated Gene Expression Profiles in Triple-Negative Breast Cancer Underlie Altered Tumor Biology and Clinical Outcome in Women of African Descent

Open Access
2023Cancer Genomics and DiagnosticsDOI: 10.1158/2159-8290.22541878.v1

Supplementary Figure from African Ancestry–Associated Gene Expression Profiles in Triple-Negative Breast Cancer Underlie Altered Tumor Biology and Clinical Outcome in Women of African Descent

Open Access
2023Cancer Genomics and DiagnosticsDOI: 10.1158/2159-8290.22541881

Abstract 2247: Evaluation of multidrug resistant genes among breast cancer patients in Ghana

2023Drug Transport and Resistance MechanismsDOI: 10.1158/1538-7445.am2023-2247

Supplementary Table from African Ancestry–Associated Gene Expression Profiles in Triple-Negative Breast Cancer Underlie Altered Tumor Biology and Clinical Outcome in Women of African Descent

Open Access
2023Cancer Genomics and DiagnosticsDOI: 10.1158/2159-8290.22541872

Data from African Ancestry–Associated Gene Expression Profiles in Triple-Negative Breast Cancer Underlie Altered Tumor Biology and Clinical Outcome in Women of African Descent

Open Access
2023Cancer Genomics and DiagnosticsDOI: 10.1158/2159-8290.c.6549760.v1

Supplementary Data from African Ancestry–Associated Gene Expression Profiles in Triple-Negative Breast Cancer Underlie Altered Tumor Biology and Clinical Outcome in Women of African Descent

Open Access
2023Cancer Genomics and DiagnosticsDOI: 10.1158/2159-8290.22541884.v1

Data from African Ancestry–Associated Gene Expression Profiles in Triple-Negative Breast Cancer Underlie Altered Tumor Biology and Clinical Outcome in Women of African Descent

Open Access
2023Cancer Genomics and DiagnosticsDOI: 10.1158/2159-8290.c.6549760

C‐kit‐negative transmural gastrointestinal stromal tumor in the stomach: A rare case of upper GI bleeding in Ghana

Open Access
2023Gastrointestinal Tumor Research and TreatmentDOI: 10.1002/ccr3.6906

Abstract C010: Genes with African ancestry-specific expression in TNBC tumors also show population-specific baseline differences in normal mammary tissue

2023Cancer-related molecular mechanisms researchDOI: 10.1158/1538-7755.disp22-c010

Innovative Methodology for Strengthening a Multidisciplinary Team Approach in Cities in Low- and Middle-Income Countries

Open Access
2022Health Systems, Economic Evaluations, Quality of LifeDOI: 10.1200/go.22.00149

African Ancestry–Associated Gene Expression Profiles in Triple-Negative Breast Cancer Underlie Altered Tumor Biology and Clinical Outcome in Women of African Descent

Open Access
2022Cancer Genomics and DiagnosticsDOI: 10.1158/2159-8290.cd-22-0138

Abstract 6037: Kinome crispr cas9 screening in breast cancer organoids derived from Ghanaian patients

2022Cancer Genomics and DiagnosticsDOI: 10.1158/1538-7445.am2022-6037

African-Ancestry Associated Gene Expression Signatures and Pathways in Triple Negative Breast Cancer, a Comparison across Women of African Descent

Open Access
2022Cancer Genomics and DiagnosticsDOI: 10.1101/2022.01.27.22269747

Abstract PO-139: BRCA sequence variants in breast cancer patients with African ancestry

2022BRCA gene mutations in cancerDOI: 10.1158/1538-7755.disp21-po-139

Surgical management of traumatic diaphragmaticrupture: ten-year experience in a Teaching Hospitalin Ghana

Open Access
2022Congenital Diaphragmatic Hernia StudiesDOI: 10.5114/kitp.2022.114552

Abstract PO-141: The role of African Duffy-null allele related inflammation on the tumor microenvironment

2022Chemokine receptors and signalingDOI: 10.1158/1538-7755.disp21-po-141

Abstract 78: Breast Cancer in Kumasi: Recent Progress

2021Global Cancer Incidence and ScreeningDOI: 10.1158/1538-7755.asgcr21-78

Investigation of triple-negative breast cancer risk alleles in an International African-enriched cohort

Open Access
2021Epigenetics and DNA MethylationDOI: 10.1038/s41598-021-88613-w

Multiethnic PDX models predict a possible immune signature associated with TNBC of African ancestry

2021Cancer Cells and MetastasisDOI: 10.1007/s10549-021-06097-8

Investigation of Triple-Negative Breast Cancer Risk Alleles in An International African-Enriched Cohort

Open Access
2020BRCA gene mutations in cancerDOI: 10.21203/rs.3.rs-109841/v1

Seeking healthcare at their ‘right’ time; the iterative decision process for women with breast cancer

Open Access
2020Global Cancer Incidence and ScreeningDOI: 10.1186/s12885-020-07520-x

Seeking healthcare at their 'right' time; the iterative decision process for women with breast cancer

Open Access
2020Global Cancer Incidence and ScreeningDOI: 10.21203/rs.3.rs-39123/v2

Evaluation of External Abdominal Wall Hernia Surgery in a Secondary Level Facility in Kumasi, Ghana

Open Access
2020Hernia repair and managementDOI: 10.9734/jammr/2020/v32i1130524

Seeking Healthcare at Their 'Right' Time: The Iterative Decision Process for Women with Breast Cancer

Open Access
2020Global Cancer Incidence and ScreeningDOI: 10.21203/rs.3.rs-39123/v1

Brief report: Global health initiatives and breast oncology capacity-building in Africa

2020Global Health and SurgeryDOI: 10.1016/j.amjsurg.2020.01.034

Hereditary Susceptibility for Triple Negative Breast Cancer Associated With Western Sub-Saharan African Ancestry

2019BRCA gene mutations in cancerDOI: 10.1097/sla.0000000000003459

Causes and predictors of mortality among Ghanaians hospitalised with endocrine disorders

Open Access
2019Chronic Disease Management StrategiesDOI: 10.1093/inthealth/ihz038

Incidence and determinants of diabetes-related lower limb amputations in Ghana, 2010–2015- a retrospective cohort study

Open Access
2019Diabetic Foot Ulcer Assessment and ManagementDOI: 10.1186/s12902-019-0353-8

African Clinicians’ Prioritization of Needs in International Breast Cancer Partnerships

Open Access
2018Global Cancer Incidence and ScreeningDOI: 10.1001/jamasurg.2018.4208

Creating Models to Identify New Therapeutic Options for Aggressive African Breast Cancers

Open Access
2018Cancer Genomics and DiagnosticsDOI: 10.1200/jgo.18.83500

Biologic diversity of breast cancers in women with African ancestry.

2018Cancer Genomics and DiagnosticsDOI: 10.1200/jco.2018.36.15_suppl.e13114

Graves Disease in Central Ghana: Clinical Characteristics and Associated Factors

Open Access
2018Thyroid Disorders and TreatmentsDOI: 10.1177/1179551418759076

The Effect of Thyroid Dysfunction on the Cardiovascular Risk of Type 2 Diabetes Mellitus Patients in Ghana

Open Access
2018Thyroid Disorders and TreatmentsDOI: 10.1155/2018/4783093

Diabetes-related foot disorders among adult Ghanaians

Open Access
2018Diabetic Foot Ulcer Assessment and ManagementDOI: 10.1080/2000625x.2018.1511678

Thyroid Disorders in Central Ghana: The Influence of 20 Years of Iodization

Open Access
2017Thyroid Disorders and TreatmentsDOI: 10.1155/2017/7843972

Spectrum of Endocrine Disorders in Central Ghana

Open Access
2017Diabetes Treatment and ManagementDOI: 10.1155/2017/5470731

Comparative Analysis of Breast Cancer Phenotypes in African American, White American, and West Versus East African patients: Correlation Between African Ancestry and Triple-Negative Breast Cancer

2016Cancer Genomics and DiagnosticsDOI: 10.1245/s10434-016-5420-z

Breast Cancer and African Ancestry: Lessons Learned at the 10-Year Anniversary of the Ghana-Michigan Research Partnership and International Breast Registry

Open Access
2016Global Cancer Incidence and ScreeningDOI: 10.1200/jgo.2015.002881

Extra gonadal sclerosing stromal tumour in the transverse mesocolon

Open Access
2016Soft tissue tumor case studiesDOI: 10.4314/gmj.v50i1.9

Abstract P6-12-14: Comparative analysis of breast cancer phenotypes in African American, White American, and African patients- Correlation between African ancestry and triple negative breast cancer

2016Global Cancer Incidence and ScreeningDOI: 10.1158/1538-7445.sabcs15-p6-12-14

Characterizing Breast Cancer in a Population with Increased Prevalence of Triple-Negative Breast Cancer: Androgen Receptor and ALDH1 Expression in Ghanaian Women

Open Access
2015Breast Cancer Treatment StudiesDOI: 10.1245/s10434-015-4455-x

Society News

Changing Epidemiology of Intestinal Obstruction in Ghana: Signs of Increasing Surgical Capacity and an Aging Population

2015Esophageal and GI PathologyDOI: 10.1159/000438798

Incidence of breast developmental anomalies: A study at Sogakope, Ghana

2010Breast Implant and ReconstructionDOI: 10.4314/njpsur.v6i1.53586
Academic Metrics
DepartmentDepartment of Surgery
Total Publications84
Research Themes29
Open Access Papers62

Department of Surgery

Kwame Nkrumah University of Science and Technology

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