Bertha Delgado

ORCID: 0000-0002-4151-7394
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About
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Research Areas
  • Bioinformatics and Genomic Networks
  • Breast Cancer Treatment Studies
  • Liver Disease Diagnosis and Treatment
  • Gene expression and cancer classification
  • ATP Synthase and ATPases Research
  • HER2/EGFR in Cancer Research
  • Liver Diseases and Immunity
  • BRCA gene mutations in cancer
  • Estrogen and related hormone effects
  • Epigenetics and DNA Methylation
  • Cancer Treatment and Pharmacology
  • Liver Disease and Transplantation
  • MicroRNA in disease regulation
  • Breast Lesions and Carcinomas
  • Protein Tyrosine Phosphatases
  • Cancer Genomics and Diagnostics
  • Cancer, Stress, Anesthesia, and Immune Response
  • Hidradenitis Suppurativa and Treatments
  • Gastrointestinal Tumor Research and Treatment
  • RNA modifications and cancer
  • Diverticular Disease and Complications
  • Hepatocellular Carcinoma Treatment and Prognosis
  • Nutrition, Genetics, and Disease
  • Pediatric Hepatobiliary Diseases and Treatments
  • Renal and related cancers

Ben-Gurion University of the Negev
2008-2024

Soroka Medical Center
2004-2024

Clalit Health Services
2013

University of Chicago
2007-2009

In a life span study, we examined how the social environment regulates naturally occurring tumor development and malignancy in genetically prone Sprague–Dawley rats. We randomly assigned this gregarious species to live either alone or groups of five female Mammary burden among isolates increased 84 times that age-matched controls, as did malignancy, specifically 3.3 relative risk for ductal carcinoma situ invasive carcinoma, most common early breast cancers women. Importantly, isolation not...

10.1073/pnas.0910753106 article EN Proceedings of the National Academy of Sciences 2009-12-12

Clinical studies have revealed that social support improves the outcome of cancer patients, whereas epidemiologic suggest isolation increases risk death associated with several chronic diseases. However, precise molecular consequences an unfavorable environment not been defined. To do so, robust, reproducible preclinical models are needed to study mechanisms whereby adverse affects gene expression and biology. Because random assignment inbred laboratory mice well-defined environments allows...

10.1158/1940-6207.capr-08-0238 article EN Cancer Prevention Research 2009-09-30

In this study we aimed to assess the incidence, prevalence and clinical outcomes of patients with autoimmune hepatitis (AIH) in southern Israel.Case-finding methods population-based administrative data were used evaluate epidemiology prognostic factors AIH from 1995 2010.During period, average annual incidence Israel 11.0/100000 0.67/100000, respectively. We identified 100 cases a mean age 47.9 years, including 95 women five men. Type 1 was found 77 cases, liver fibrosis cirrhosis 73.4%...

10.1111/1751-2980.12085 article EN Journal of Digestive Diseases 2013-07-02

Cyclins D1, D2 and D3 play important roles in cell proliferation differentiation. Although their abnormal expression has been linked to cancer development progression a number of tissues, the cyclin proteins colon not yet characterised. In this study, we examined protein by Western blot analysis tumour adjacent normal tissues 57 patients. addition, D-type cyclins HT29 LoVo39 lines from carcinomas, as function induced both lines, three increased result proliferation, whereas tumours, D1 was...

10.1038/sj.bjc.6602709 article EN cc-by-nc-sa British Journal of Cancer 2005-07-12

Although the detrimental physical health effects of social isolation have been known for three decades, answers to how and why relationships generally improve remain elusive. Social are not always beneficial, we examined a structural dimension that may bring about their salubrious effects: affiliative reciprocity during stressor.In lifespan study, female rats lived with sisters were tested temperament, an everyday stressor at puberty, corticosterone response stressor, mammary tumor...

10.1097/psy.0b013e31818425fb article EN Psychosomatic Medicine 2008-10-09

To prevent chemotherapy-related side effects, synthetic glucocorticoids, for example, dexamethasone, are routinely administered to patients with ovarian cancer. However, preclinical data implicate glucocorticoids in suppressing chemotherapy-mediated apoptosis epithelial tumors. The anti-apoptotic mechanisms underlying this increased survival have been shown require up-regulation of prosurvival genes, including serum and glucocorticoid-regulated kinase 1 (SGK1) map phosphatase (MKP1)/dual...

10.1158/1078-0432.ccr-08-2131 article EN Clinical Cancer Research 2009-04-22

In recent years the frequency of nonsmokers among lung cancer patients has increased to 10% 15%. The measles virus rarely been evoked as an etiological agent in malignant tumors and its role carcinogenesis remains doubtful. It suggested that phosphoprotein may inhibit ubiquitination Pirh2, which reported be overexpressed carcinoma is responsible for degrading cell cycle regulator p53. authors conducted a clinicopathological study newly diagnosed with non-small all stages seen 10-year period....

10.3109/01902140902853176 article EN Experimental Lung Research 2009-10-14

Abstract Background We have been studying the native humoral immune response to cancer and isolated a library of fully human autoantibodies variety malignancies. previously described isolation characterization two monoclonal antibodies, 27.F7 27.B1, from breast patients that target protein known as GIPC1, an accessory PDZ-domain binding involved in regulation G-protein signaling. Human GIPC1 demonstrate specific malignant tissue with no reactivity normal tissue. Methods The current study...

10.1186/1471-2407-8-247 article EN cc-by BMC Cancer 2008-08-24

The diagnosis of uterine smooth muscle tumors is sometimes difficult, as these may show worrisome features, suspicious for but not diagnostic malignancy. recommended immunohistochemical panel in this setting currently under debate. In study, we aimed to find a stains that would be helpful determining the correct ambiguous tumors, with an emphasis on investigating possible usefulness WT1 antibody. Uterine leiomyomas were found immunoreactive WT1. Since previous study reported lack...

10.1097/pgp.0000000000000688 article EN International Journal of Gynecological Pathology 2020-09-04

We present the clinicopathologic features and treatment plans of 328 consecutive stage I (T1N0M0) breast cancer patients seen at a regional medical center in Israel. Predicted 10-year mortality risk was calculated using Adjuvant! Online website. The 21-gene recurrence score (RS) (OncotypeDx) obtained on minority patients. Eighty-nine per cent had estrogen receptor (ER) and/or progesterone (PgR) positive tumors. In 43.3% history an invasive malignancy reported first degree relative 15.5%...

10.1016/j.breast.2009.08.004 article EN cc-by-nc-nd The Breast 2009-10-01

Epithelioid hemangioendothelioma is a rare low- to intermediate-grade malignant vascular neoplasm with variable clinical course and currently no standardized treatment. We present case of 65-year-old woman diagnosed as having mediastinal epithelioid hemangioendothelioma, location which very exceptional. FDG PET/CT was more sensitive than CT for staging, revealing intense uptake in the primary tumor metastatic disease. Despite high uptake, disease stable further specific Only few reports...

10.1097/rlu.0000000000002726 article EN Clinical Nuclear Medicine 2019-07-08

Abstract Background Patients with primary hyperparathyroidism (PHPT) treated surgically occasionally have normalized calcium, but persistently high parathyroid hormone (PTH). We hypothesized that a possible explanation for this phenomenon is an underlying hyperplasia rather than adenoma. Methods Retrospective cohort of patients who underwent parathyroidectomy PHPT biopsy normal‐appearing gland were included. Cellularity level each and the adenoma's rim was determined. Results Forty‐seven Of...

10.1002/lio2.644 article EN cc-by-nc-nd Laryngoscope Investigative Otolaryngology 2021-09-08

<b><i>Objective:</i></b> To analyze the implementation of a switching policy adjuvant aromatase inhibitor (AI) therapy sequentially after tamoxifen in consecutively treated stage I (T1N0M0) hormone receptor (HR)-positive breast cancer (BC) patients. <b><i>Methods:</i></b> The records 279 consecutive HR-positive BC patients diagnosed between 2002 and 2006 followed at Soroka Medical Center were reviewed....

10.1159/000353978 article EN Oncology 2013-01-01

This study aimed to evaluate the long-term outcomes of stage I breast cancer (BC) patients diagnosed during current era screening mammography, immunohistochemistry receptor testing, and systemic adjuvant therapy.

10.1159/000536119 article EN Oncology 2024-01-01
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