PulseTrendingJournal ClubResearchersJournalsExplore
Instagram
HomeTrendingJournal ClubExplore
Synapse
⌘+K
Synapse
May 4, 2026

LMCD1 aggravates cardiac fibrosis after myocardial infarction via activating STAT5A.

View Full Paper
Ask AI
Bookmark
Share

Why the study?

The molecular regulators governing cardiac fibroblast activation after MI remain incompletely understood, and the role of LMCD1 in cardiac fibrosis is unknown.

Does LMCD1 silencing reduce cardiac fibrosis and improve cardiac function post-myocardial infarction in preclinical models?

Population

Mice subjected to LAD artery ligation and TGF-β1-stimulated primary cardiac fibroblasts

Comparison

LMCD1 silencing or overexpression vs controls

Design

Preclinical animal and in vitro mechanistic study

Key result

LMCD1 silencing improved cardiac function and reduced fibrotic area in a mouse model of myocardial infarction by inhibiting STAT5A activation in cardiac fibroblasts.

Authors

HKHaofei KangJLJing LiuJWJunjie Wang

Discussion

Loading...

Member takes

Overview

Hypothesis-generating for LMCD1 targeting in post-MI fibrosis; extends its profibrotic role from kidney/lung and requires validation before clinical use.

Key Points

  • This research aims to understand the role of LMCD1 in promoting cardiac fibrosis after myocardial infarction.
  • Re-analysis of single-cell RNA sequencing datasets to evaluate LMCD1 expression in cardiac fibroblasts post-MI.
  • Experimental silencing and overexpression of LMCD1 in primary cardiac fibroblasts treated with TGF-β1 to assess cell proliferation and fibrosis-related protein expression.
  • Co-immunoprecipitation assays to investigate the interaction between LMCD1 and STAT5A in infarcted mouse hearts.
  • LMCD1 was significantly upregulated in cardiac fibroblasts after myocardial infarction with a noted correlation to STAT5A activation.
  • Silencing LMCD1 improved cardiac function (increased ejection fraction and fractional shortening) and reduced the fibrotic area and fibrosis-related proteins, such as fibronectin and COL1A1.
  • STAT5A overexpression counteracted the effects of LMCD1 knockdown on TGF-β1-induced fibrosis in primary cardiac fibroblasts.

Structured PICO

Does LMCD1 silencing reduce cardiac fibrosis and improve cardiac function post-myocardial infarction in preclinical models?

P
Population
Mouse models subjected to left anterior descending (LAD) artery ligation and primary cardiac fibroblasts stimulated with TGF-β1
I
Intervention
Silencing (knockdown) or overexpression of LMCD1
C
Comparator
Control (implied non-silenced or non-overexpressed models)
O
Outcome
Cardiac function (ejection fraction and fractional shortening) and cardiac fibrosis (fibrotic area, expression of fibronectin, COL1A1, and α-SMA)surrogate

LMCD1 is identified as a novel driver of post-MI cardiac fibrosis through STAT5A activation, suggesting it may be a potential target for anti-fibrotic therapy.

Cite This Study

Kang et al. (2026) studied Cardiac fibrosis post-myocardial infarction. LMCD1 silencing was evaluated on Cardiac function and fibrotic area. LMCD1 silencing improved cardiac function and reduced fibrotic area in a mouse model of myocardial infarction by inhibiting STAT5A activation in cardiac fibroblasts.

synapsesocial.com/papers/69f837d73ed186a73998229fhttps://doi.org/10.1016/j.bbamcr.2026.120153
View Full Paper
Ask AI
Bookmark
Share