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Browse the failure-mode index

455 real negative results, null findings, and replication failures in Biochemistry, Genetics and Molecular Biology · Negative / Null Result Report. Search the index →

WASTE indexes published research — it does not host or republish full papers. Each entry is a metadata record compiled from open scholarly databases; the abstract is shown in full only where the paper is openly licensed, otherwise a short excerpt under fair use. Classifications are automated and approximate.

Negative / Null Result ReportOpen accessBiochemistry, Genetics and Molecular Biology

Gut microbiome features associated with Bifidobacterium colonization predict personalized probiotic persistence patterns

Sourav Goswami, Alisha Ansari, Chetan Saraf et al. · 2026 · Nature Communications

Bifidobacteria are key health-associated members of the human gut microbiome and are widely used as probiotics, but their colonization success varies substantially between individuals, partly due to baseline microbiome composition. We…

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Negative / Null Result ReportOpen accessBiochemistry, Genetics and Molecular Biology

A comparison of computational methods for expression forecasting

Eric Kernfeld, Yunxiao Yang, Joshua S. Weinstock et al. · 2025 · Genome biology

Diverse machine learning methods promise to forecast gene expression changes in response to novel genetic perturbations. However, these methods' accuracy is not well characterized. We created a benchmarking platform that combines a panel…

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Negative / Null Result ReportOpen accessBiochemistry, Genetics and Molecular Biology

Associations of common variants in TAAR5, OR6C70, and GBA with hyposmia in Han Chinese individuals with Parkinson’s disease

Yi-Lun Ge, Pu-Zhi Wang, Jia-Hui Yan et al. · 2022 · Advanced Neurology

Hyposmia is one of the cardinal symptoms of Parkinson’s disease (PD), with a considerably high prevalence rate in PD individuals. However, some individuals still retain normal olfactory function. Recent studies have shown that genetic factors may play a role in such a phenomenon. This study aimed to explore the potential genetic factors underlying the variation of olfactory function among PD individuals. Two hundred and three Han Chinese individuals with PD were recruited into this study. All the individuals underwent detailed clinical assessment conducted by experienced neurologists

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Negative / Null Result ReportOpen accessBiochemistry, Genetics and Molecular Biology

Oncolytic Viruses in Cancer Immunotherapy: From Molecular Engineering to Clinical Translation

Mohammad Fayyad‐Kazan, Sarah Ayad Al-Tameemi, Allal Ouhtit · 2026 · Cells

Cancer immunotherapy has transformed modern oncology, yet durable responses remain limited for many patients due to immune exclusion, adaptive resistance, and tumor heterogeneity. Oncolytic viruses (OVs) have emerged as a novel class of immunotherapeutics that unify direct tumor cytolysis with stimulation of antitumor immunity. By inducing immunogenic cell death (ICD) and releasing tumor-associated antigens (TAAs), OVs remodel the tumor microenvironment (TME) into an inflamed and immune-permissive niche capable of enabling systemic immune activation. Rapid advances in viral engineering have st

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Negative / Null Result ReportOpen accessBiochemistry, Genetics and Molecular Biology

Hypoxic microenvironment in cancer: role in metabolic reprogramming

Niti Sureka, Rashi Maheshwari, Amit H Agravat et al. · 2026 · Frontiers in Oncology

Hypoxia, a defining hallmark of solid tumors, arises from structurally and functionally abnormal vasculature, rapid cellular proliferation, and impaired perfusion, resulting in chronic and cycling oxygen deprivation within the tumor massThe hypoxic tumor microenvironment orchestrates extensive molecular reprogramming primarily through stabilization and activation of hypoxia-inducible factors (HIF-1α and HIF-2α), which regulate broad transcriptional networks governing metabolism, angiogenesis, stemness, invasion, and immune modulation. Under low oxygen tension, tumor cells shift toward aerobic

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