Within the tumor microenvironment, myeloid cells constitute a dynamic immune population characterized by a heterogeneous phenotype and diverse functional activities. In this review, we consider recent literature shedding light on the increasingly complex biology of M2-like immunosuppressive tumor-associated macrophages (TAMs), including their contribution to tumor cell invasion and metastasis, stromal remodeling (fibrosis and matrix degradation), and immune suppressive functions, in the tumor microenvironment (TME). This review also delves into the intricate signaling mechanisms underlying the polarization of diverse macrophage phenotypes, and their plasticity.
View Article and Find Full Text PDFCancer-associated fibroblasts (CAFs) are activated fibroblasts that play a role in numerous malignant phenotypes, including hyperproliferation, invasion, and metastasis. These phenotypes correlate with activity of the Hippo pathway oncoprotein, Yes-associated protein-1 (YAP1), and its paralog, transcriptional coactivator with PDZ-binding motif (TAZ). YAP1/TAZ are normally involved in organ growth, under the regulation of various kinases and upon phosphorylation, are retained in the cytoplasm by chaperone proteins, leading to their proteasomal degradation.
View Article and Find Full Text PDFMore than 75 years ago, surgeon Ernst Bertner envisioned the Texas Medical Center (TMC) as "breathtaking in the scope and breadth of its conception," that would be "one of the largest in the world"; a gigantic medical enterprise that would "attract the greatest scientists of the world" and would combine patient care, research, and education, on a scale that was "second to none." During the next 3 years, Bertner accomplished important pieces of the Herculean task to bring onto the campus 11 major buildings, including the University of Texas MD Anderson Hospital for Cancer Research, for which he was the interim director. This was an extraordinary accomplishment because at the outset he had only a strategic plan, the deed to 134 acres of forest, and financial support from the MD Anderson Foundation! Bertner further forecasted world-class clinical and educational programs in the TMC, stating: "We envision the time when the Medical Center will become a great magnet, drawing leaders in education, medicine, and dental professions.
View Article and Find Full Text PDFBackground: Metastasis in a nonsentinel lymph node (non-SLN) is an unfavorable independent prognostic factor in cutaneous melanoma (CM). Recent data did suggest potential value of completion lymph node dissection (CLND) in CM patients with non-SLN metastasis. Prediction of non-SLN metastasis assists clinicians in deciding on adjuvant therapy without CLND.
View Article and Find Full Text PDFHerpes simplex virus-1 (HSV-1) and -2 (HSV-2) are large, spherically shaped, double-stranded DNA viruses that coevolved with for over 300,000 years, having developed numerous immunoevasive mechanisms to survive the lifetime of their human host. Although in the continued absence of an acceptable prophylactic and therapeutic vaccine, approved pharmacologics (e.g.
View Article and Find Full Text PDFPurpose: Little is known about the host-tumor interaction in the lymph-node basin at a single cell level. This study examines single cell sequences in breast cancer nodal metastases of a patient with triple-negative breast cancer.
Methods: The primary breast tumor, sentinel lymph node, an adjacent lymph node with metastatic involvement and a clinically normal-appearing lymph node were collected during surgery.
J Am Acad Dermatol
December 2022
Background: Evidence for the prognostic importance of tumor thickness in acral melanoma (AM) patients is limited.
Objective: The objective of the study was to determine the prognostic impact of Breslow thickness in AM.
Methods: This multicenter study enrolled patients diagnosed with localized AM between January 1, 2000 and December 31, 2017.
In September 1959, Dr. Clark was appointed as Chair and Dr. Murray M Copeland as Vice Chair of the Committee on Cancer.
View Article and Find Full Text PDFBackground: HER2-low breast cancers were reported to have distinct clinicopathological characteristics from HER2-zero; however, the difference in their genetic features remains unclear. This study investigated the clinical and molecular features of breast tumors according to HER2 status.
Methods: We analyzed the clinicopathological and genomic data of 523 Chinese women with breast cancer.
Background: There is no widely employed staging system for mucosal melanoma (MuM) that incorporates all anatomic sites. We hypothesized that MuM patients arising from different anatomical sites could be staged using a common approach.
Methods: A prospective database contained 1814 MuM patients with a median follow-up of 5.
Introduction: Breast surgical oncology is a defined sub-specialty of general surgery that focuses on the surgical management of breast disease and malignancy within a multidisciplinary context. The fellowship directors (FD) that lead these programs have been selected for their abilities. As programs do research to ensure proper training for the next generation of breast surgical oncologists, we wanted to look into the FDs responsible for their training.
View Article and Find Full Text PDFDr. R. Lee Clark Jr.
View Article and Find Full Text PDFThe MD Anderson Cancer Center is one of the world's largest programs in cancer patient care, research, and education; yet, there were many historical twists and turns that almost led the cancer hospital to be located in a different place, under a different authority, and under different leadership. Although it was finally located in Houston, Texas, historical events could possibly have resulted in the cancer hospital being located in Dallas, Galveston, or Austin, Texas. Although Dr.
View Article and Find Full Text PDFBackground: Patients with breast cancer presenting with single lymph node metastasis (from a sentinel node) experience prolonged survival compared to patients with multiple lymph node metastases (≥3). However, little information is available on the genetic and immunological characteristics of breast cancer metastases within the regional lymph nodes as they progress from the sentinel lymph node (SLN) downstream to multiple regional lymph nodes (MLNs).
Methods: Genomic profiling was performed using a next-generation sequencing panel covering 520 cancer-related genes in the primary tumour and metastatic lymph nodes of 157 female patients with breast cancer.
The MD Anderson Hospital for Cancer Research (as it was named in 1946) incorporated pioneering changes that set new standards in hospital design, construction, and function. It is remarkable that surgeon R. Lee Clark, the new Director of the MD Anderson Hospital, and with no previous experience in hospital construction, personally led the design and supervision of a world class medical care and research facility.
View Article and Find Full Text PDF: The management of patients with triple-negative breast cancer (TNBC) is challenging with several controversies and unmet needs. During the 12th Breast-Gynaecological & Immuno-oncology International Cancer Conference (BGICC) Egypt, 2020, a panel of 35 breast cancer experts from 13 countries voted on consensus guidelines for the clinical management of TNBC. The consensus was subsequently updated based on the most recent data evolved lately.
View Article and Find Full Text PDFIn low-middle income countries (LMICs) and the Middle East and North Africa (MENA) region, there is an unmet need to establish and improve breast cancer (BC) awareness, early diagnosis and risk reduction programs. During the 12th Breast, Gynecological & Immuno-oncology International Cancer Conference - Egypt 2020, 26 experts from 7 countries worldwide voted to establish the first consensus for BC awareness, early detection and risk reduction in LMICs/MENA region. The panel advised that there is an extreme necessity for a well-developed BC data registries and prospective clinical studies that address alternative modalities/modified BC screening programs in areas of limited resources.
View Article and Find Full Text PDFDr. R. Lee Clark Jr brought a broad-based cancer surgery experience to MD Anderson Hospital for Cancer Research when he became its first Surgeon-in-Chief and full-time salaried physician in 1946.
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