Publications by authors named "Francisco Sanchez Martin"

Context: Thulium fiber laser (TFL) emerged as a competitor of holmium:yttrium aluminum garnet (Ho:YAG) laser for the treatment of urinary stones.

Objective: To compare the efficacy between Ho:YAG and TFL for laser lithotripsy of renal and ureteral stones.

Evidence Acquisition: A literature search was conducted using PubMed/Medline, Embase, and Web of Science databases to identify reports published until May 2023.

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Purpose Of Review: Urinary pH is an important factor related to renal stone disease, and it plays an essential role in stone prevention. Monitoring of urinary pH by patients at home provides information that can help to assess the treatment needed by each patient. We conducted a systematic review is to assess the available evidence concerning urinary pH monitoring methods along with their accuracy, cost, and usefulness by patients with urolithiasis.

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The aim of the study was to compare standard high-power laser (with < 80 Hz) to extended frequency (> 100 Hz) lithotripsy during miniPCNL. 40 patients were randomized in to two groups undergoing MiniPCNL. For both groups, the Holmium Pulse laser Moses 2.

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Introduction: Extracorporeal wave lithotripsy (ESWL) is considered a first-line treatment for renal and ureteral stones up to 10-20 mm in diameter. Complications are uncommon, with a reported rate of 0-6% in the literature. Bowel perforation has only been described in a few case reports but requires rapid diagnosis and treatment.

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(1) Background: New pulse modulation (PM) technologies in Holmium:YAG lasers are available for urinary stone treatment, but little is known about them. We aim to systematically evaluate the published evidence in terms of their lithotripsy performance. (2) Methods: A systematic electronic search was performed (MEDLINE, Scopus, and Cochrane databases).

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Unlabelled: In patients with trastuzumab-resistant HER2-positive breast cancer, the combination of everolimus (mTORC1 inhibitor) with trastuzumab failed to show a clinically significant benefit. However, the combination of mTOR inhibition and the antibody-drug conjugate (ADC) trastuzumab-emtansine (T-DM1) remains unexplored. We tested T-DM1 plus everolimus in a broad panel of HER2-positive breast cancer cell lines.

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Article Synopsis
  • Encrusted uropathy (EU) is a rare and increasingly common condition caused by bacteria that break down urea, leading to the formation of urinary calcifications.
  • Treatment typically involves antibiotics, urinary diversion techniques, and in some cases, surgery, but a case study shows that oral l-methionine can effectively manage urinary encrustations with minimal side effects.
  • After 12 months of treatment with oral l-methionine, significant improvements were noted, allowing for the successful removal of remaining calcifications through less invasive surgical procedures.
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  • Stone recurrence is common among patients with a history of kidney stones, and both patients and doctors face risks from repeated diagnostic and treatment procedures, particularly concerning radiation exposure.
  • A systematic review compared fluoroless ureteroscopy (fURS) and conventional ureteroscopy (cURS) to evaluate their effectiveness and safety in treating ureteral and renal stones, including data from 23 studies with a total of 4,029 patients.
  • The findings indicated that fURS has a similar stone-free rate as cURS, with no significant differences in operative complications, hospital stay, or need for additional procedures, suggesting it is a viable alternative with a low conversion rate to conventional methods.
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The objective is to establish whether a pattern of intestinal dysbiosis exists in calcium oxalate (CaOx) lithiasis and, if so, to identify its characteristics and explore whether there are differences in the pattern between CaOx dihydrate (COD) and monohydrate (COM) lithiasis. With this aim 24 patients diagnosed with CaOx lithiasis by means of optical microscopy and spectrometry were prospectively recruited. Faecal analysis was carried out by means of RT-PCR 16S rRNA assay and agar plate culture according to the methodology proposed by the Institute of Microecology (Herborn, Germany).

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: In colorectal cancer, anti-VEGF agents have demonstrated a survival benefit when combined with chemotherapy. However, development of resistance is very common. One of the mechanisms is due not to a failure in the VEGFR blockade, but rather to development of compensatory mechanisms of resistance, such as hypoxia-triggered upregulation of other proangiogenic factors, like placental growth factor (PlGF).

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Despite the clinical benefit of trastuzumab, eventually all HER2-amplified gastric cancer tumors develop drug resistance. We aimed to identify molecular mechanisms of acquired resistance to trastuzumab in gastric cancer by using well-established cell line-based preclinical models, as well as samples from patients with HER2-positive gastric cancer treated with trastuzumab. We studied trastuzumab resistance in NCI-N87 and OE19, two gastric cancer cell lines that overexpress HER2 receptor and are trastuzumab sensitive.

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Introduction: The general prevalence of bilateral urolithiasis has risen to 15% and bilateral non-simultaneous treatment has been reported to have good outcomes. The objective of this study was to evaluate the effectiveness and safety of simultaneous bilateral endoscopic surgery (SBES).

Material And Methods: An international multicenter analysis was performed between May 2015 and December 2017.

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Article Synopsis
  • The study evaluated two new single-use ureteroscopes: a semirigid one with a flexible tip and a fully flexible model, assessing their performance across ten surgeries.
  • Patient satisfaction and clinical metrics like image quality, deflection, and maneuverability were rated on a scale from 0 to 10, revealing a decline in scores during procedures for both types of scopes.
  • Overall, the flexible ureteroscope had a higher preoperative image quality rating compared to the semirigid version, but both types allowed for standard ureteroscopy in a majority of their respective procedures despite decreasing performance during surgery.
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Hexavalent chromium compounds are well-established respiratory carcinogens used in industrial processes. While inhalation exposure constitutes an occupational risk affecting mostly chromium workers, environmental exposure from drinking water is a widespread gastrointestinal cancer risk, affecting millions of people throughout the world. Cr(VI) is genotoxic, forming protein-Cr-DNA adducts and silencing tumor suppressor genes, but its mechanism of action at the molecular level is poorly understood.

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Importance: Acquired resistance to anti-EGFR therapy (epidermal growth factor receptor) is frequently due to RAS and EGFR extracellular domain (ECD) mutations in metastatic colorectal cancer (mCRC). Some anti-EGFR-refractory patients retain tumor EGFR dependency potentially targetable by agents such as Sym004, which is a mixture of 2 nonoverlapping monoclonal antibodies targeting EGFR.

Objective: To determine if continuous blockade of EGFR by Sym004 has survival benefit.

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Article Synopsis
  • The study aims to compile and organize epidemiological data on urolithiasis (kidney stones) in Spain, which has primarily been published in local and regional contexts rather than at the national level.
  • Researchers reviewed various scientific publications and reports from 1977 to 2016, focusing on details like publication year, geographic area, number of cases, and demographic information such as age, gender distribution, and dietary habits.
  • The review identified 79 publications, with 42 containing original data, presenting a structured overview that serves as a foundation for future research into the epidemiology of urolithiasis in Spain.
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Objectives: Simple nephrectomy is performed for a benign pathology that does not require the excision of either the adrenal gland or any adenopathies. When it is carried out in cases of stone disease, however, it is frequently not a "simple" technique owing to the presence of significant inflammation and infection.

Methods: Ninety-six simple laparoscopic nephrectomies performed because of stone disease between 2006 and 2015 were retrospectively studied.

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2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) is a xenobiotic agent with high persistency that induces neurotoxic effects altering neurodevelopment and behavior. The molecular mechanisms and the signaling pathways involved in TCDD-mediated neurotoxicity, together with the search of its molecular targets in neurons are under intense study. We have previously shown that high nanomolar concentrations of TCDD for incubation times of minutes induce apoptosis in SHSY5Y human neuroblastoma cells by the disruption of calcium homeostasis, affecting membrane structural integrity.

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Introduction: Shock wave lithotripsy (SWL) is the treatment of choice for most cases of renal lithiasis in children. Some cases, however, are refractory to SWL and may be associated with anatomic and metabolic changes or a large stone burden. In these circumstances, mini-percutaneous nephrolithotomy (mini-PCNL) is an option.

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Purpose: Approved anti-EGFR antibodies cetuximab and panitumumab provide significant clinical benefit in patients with metastatic colorectal cancer (MCRC). However, patients ultimately develop disease progression, often driven by acquisition of mutations in the extracellular domain (ECD) of EGFR. Sym004 is a novel 1:1 mixture of two nonoverlapping anti-EGFR mAbs that recently showed promising clinical activity in a phase I trial in MCRC.

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  • Childhood lead exposure is linked to adult brain issues like gray matter loss, but understanding its specific impact on humans is challenging.
  • In a study, female mice were exposed to varying levels of lead in their drinking water before and during pregnancy, and their offspring were examined using advanced MRI techniques.
  • The results showed that while lead exposure had little effect overall, there were notable differences in the hippocampus related to lead exposure and gender of the pups.
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Complex mixtures of environmental agents often cause mixture-specific health effects that cannot be accounted for by a single mechanism. To study the biological effects of exposure to a mixture of chromium-VI and benzo[a]pyrene (B[a]P), often found together in the environment, we exposed mice for 60 days to 0, 55, 550, or 5500 ppb Cr(VI) in drinking water followed by 90 days of coexposure to B[a]P at 0, 1.25, 12.

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Changes in DNA methylation and subsequent changes in gene expression regulation are the hallmarks of age- and tissue-dependent epigenetic drift and plasticity resulting from the combinatorial integration of genetic determinants and environmental cues. To determine whether perinatal lead exposure caused persistent DNA methylation changes in target tissues, we exposed mouse dams to 0, 3 or 30 ppm of lead acetate in drinking water for a period extending from 2 months prior to mating, through gestation, until weaning of pups at postnatal day-21, and analyzed whole-genome DNA methylation in brain cortex and hippocampus of 2-month old exposed and unexposed progeny. Lead exposure resulted in hypermethylation of three differentially methylated regions in the hippocampus of females, but not males.

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